2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
35 #include "libavformat/avformat.h"
36 #include "libavdevice/avdevice.h"
37 #include "libswscale/swscale.h"
38 #include "libavutil/opt.h"
39 #include "libavcodec/audioconvert.h"
40 #include "libavutil/audioconvert.h"
41 #include "libavutil/parseutils.h"
42 #include "libavutil/samplefmt.h"
43 #include "libavutil/colorspace.h"
44 #include "libavutil/fifo.h"
45 #include "libavutil/intreadwrite.h"
46 #include "libavutil/dict.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/pixdesc.h"
49 #include "libavutil/avstring.h"
50 #include "libavutil/libm.h"
51 #include "libavutil/imgutils.h"
52 #include "libavutil/timestamp.h"
53 #include "libavformat/os_support.h"
54 #include "libswresample/swresample.h"
56 #include "libavformat/ffm.h" // not public API
59 # include "libavfilter/avcodec.h"
60 # include "libavfilter/avfilter.h"
61 # include "libavfilter/avfiltergraph.h"
62 # include "libavfilter/buffersink.h"
63 # include "libavfilter/buffersrc.h"
64 # include "libavfilter/vsrc_buffer.h"
67 #if HAVE_SYS_RESOURCE_H
68 #include <sys/types.h>
70 #include <sys/resource.h>
71 #elif HAVE_GETPROCESSTIMES
74 #if HAVE_GETPROCESSMEMORYINFO
80 #include <sys/select.h>
85 #include <sys/ioctl.h>
95 #include "libavutil/avassert.h"
98 #define VSYNC_PASSTHROUGH 0
101 #define VSYNC_DROP 0xff
103 const char program_name[] = "ffmpeg";
104 const int program_birth_year = 2000;
106 /* select an input stream for an output stream */
107 typedef struct StreamMap {
108 int disabled; /** 1 is this mapping is disabled by a negative map */
112 int sync_stream_index;
116 int file_idx, stream_idx, channel_idx; // input
117 int ofile_idx, ostream_idx; // output
121 * select an input file for an output file
123 typedef struct MetadataMap {
124 int file; ///< file index
125 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
126 int index; ///< stream/chapter/program number
129 static const OptionDef options[];
131 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
133 static int frame_bits_per_raw_sample = 0;
134 static int video_discard = 0;
135 static int same_quant = 0;
136 static int do_deinterlace = 0;
137 static int intra_dc_precision = 8;
138 static int qp_hist = 0;
139 static int intra_only = 0;
140 static const char *video_codec_name = NULL;
141 static const char *audio_codec_name = NULL;
142 static const char *subtitle_codec_name = NULL;
144 static int file_overwrite = 0;
145 static int no_file_overwrite = 0;
146 static int do_benchmark = 0;
147 static int do_hex_dump = 0;
148 static int do_pkt_dump = 0;
149 static int do_psnr = 0;
150 static int do_pass = 0;
151 static const char *pass_logfilename_prefix;
152 static int video_sync_method = VSYNC_AUTO;
153 static int audio_sync_method = 0;
154 static float audio_drift_threshold = 0.1;
155 static int copy_ts = 0;
156 static int copy_tb = -1;
157 static int opt_shortest = 0;
158 static char *vstats_filename;
159 static FILE *vstats_file;
161 static int audio_volume = 256;
163 static int exit_on_error = 0;
164 static int using_stdin = 0;
165 static int run_as_daemon = 0;
166 static volatile int received_nb_signals = 0;
167 static int64_t video_size = 0;
168 static int64_t audio_size = 0;
169 static int64_t extra_size = 0;
170 static int nb_frames_dup = 0;
171 static int nb_frames_drop = 0;
172 static int input_sync;
174 static float dts_delta_threshold = 10;
175 static float dts_error_threshold = 3600*30;
177 static int print_stats = 1;
178 static int debug_ts = 0;
180 static uint8_t *audio_buf;
181 static unsigned int allocated_audio_buf_size;
182 static uint8_t *async_buf;
183 static unsigned int allocated_async_buf_size;
185 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
187 typedef struct FrameBuffer {
193 enum PixelFormat pix_fmt;
196 struct InputStream *ist;
197 struct FrameBuffer *next;
200 typedef struct InputStream {
203 int discard; /* true if stream data should be discarded */
204 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
206 AVFrame *decoded_frame;
207 AVFrame *filtered_frame;
209 int64_t start; /* time when read started */
210 /* predicted dts of the next packet read for this stream or (when there are
211 * several frames in a packet) of the next frame in current packet */
213 /* dts of the last packet read for this stream */
216 int64_t next_pts; ///< synthetic pts for the next decode frame
217 int64_t pts; ///< current pts of the decoded frame
219 int is_start; /* is 1 at the start and after a discontinuity */
220 int showed_multi_packet_warning;
223 /* a pool of free buffers for decoded data */
224 FrameBuffer *buffer_pool;
228 typedef struct InputFile {
229 AVFormatContext *ctx;
230 int eof_reached; /* true if eof reached */
231 int ist_index; /* index of first stream in input_streams */
232 int buffer_size; /* current total buffer size */
234 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
235 from ctx.nb_streams if new streams appear during av_read_frame() */
239 typedef struct OutputStream {
240 int file_index; /* file index */
241 int index; /* stream index in the output file */
242 int source_index; /* InputStream index */
243 AVStream *st; /* stream in the output file */
244 int encoding_needed; /* true if encoding needed for this stream */
246 /* input pts and corresponding output pts
248 struct InputStream *sync_ist; /* input stream to sync against */
249 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
250 AVBitStreamFilterContext *bitstream_filters;
253 AVFrame *output_frame;
257 AVFrame resample_frame; /* temporary frame for image resampling */
258 struct SwsContext *img_resample_ctx; /* for image resampling */
261 int resample_pix_fmt;
262 AVRational frame_rate;
266 float frame_aspect_ratio;
268 /* forced key frames */
269 int64_t *forced_kf_pts;
275 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
276 int audio_channels_mapped; ///< number of channels in audio_channels_map
277 int resample_sample_fmt;
278 int resample_channels;
279 int resample_sample_rate;
280 float rematrix_volume;
281 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
287 AVFilterContext *output_video_filter;
288 AVFilterContext *input_video_filter;
289 AVFilterBufferRef *picref;
291 AVFilterGraph *graph;
296 int is_past_recording_time;
298 const char *attachment_filename;
299 int copy_initial_nonkeyframes;
305 /* init terminal so that we can grab keys */
306 static struct termios oldtty;
307 static int restore_tty;
310 typedef struct OutputFile {
311 AVFormatContext *ctx;
313 int ost_index; /* index of the first stream in output_streams */
314 int64_t recording_time; /* desired length of the resulting file in microseconds */
315 int64_t start_time; /* start time in microseconds */
316 uint64_t limit_filesize; /* filesize limit expressed in bytes */
319 static InputStream *input_streams = NULL;
320 static int nb_input_streams = 0;
321 static InputFile *input_files = NULL;
322 static int nb_input_files = 0;
324 static OutputStream *output_streams = NULL;
325 static int nb_output_streams = 0;
326 static OutputFile *output_files = NULL;
327 static int nb_output_files = 0;
329 typedef struct OptionsContext {
330 /* input/output options */
334 SpecifierOpt *codec_names;
336 SpecifierOpt *audio_channels;
337 int nb_audio_channels;
338 SpecifierOpt *audio_sample_rate;
339 int nb_audio_sample_rate;
340 SpecifierOpt *rematrix_volume;
341 int nb_rematrix_volume;
342 SpecifierOpt *frame_rates;
344 SpecifierOpt *frame_sizes;
346 SpecifierOpt *frame_pix_fmts;
347 int nb_frame_pix_fmts;
350 int64_t input_ts_offset;
353 SpecifierOpt *ts_scale;
355 SpecifierOpt *dump_attachment;
356 int nb_dump_attachment;
359 StreamMap *stream_maps;
361 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
362 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
363 /* first item specifies output metadata, second is input */
364 MetadataMap (*meta_data_maps)[2];
365 int nb_meta_data_maps;
366 int metadata_global_manual;
367 int metadata_streams_manual;
368 int metadata_chapters_manual;
369 const char **attachments;
372 int chapters_input_file;
374 int64_t recording_time;
375 uint64_t limit_filesize;
381 int subtitle_disable;
384 /* indexed by output file stream index */
388 SpecifierOpt *metadata;
390 SpecifierOpt *max_frames;
392 SpecifierOpt *bitstream_filters;
393 int nb_bitstream_filters;
394 SpecifierOpt *codec_tags;
396 SpecifierOpt *sample_fmts;
398 SpecifierOpt *qscale;
400 SpecifierOpt *forced_key_frames;
401 int nb_forced_key_frames;
402 SpecifierOpt *force_fps;
404 SpecifierOpt *frame_aspect_ratios;
405 int nb_frame_aspect_ratios;
406 SpecifierOpt *rc_overrides;
408 SpecifierOpt *intra_matrices;
409 int nb_intra_matrices;
410 SpecifierOpt *inter_matrices;
411 int nb_inter_matrices;
412 SpecifierOpt *top_field_first;
413 int nb_top_field_first;
414 SpecifierOpt *metadata_map;
416 SpecifierOpt *presets;
418 SpecifierOpt *copy_initial_nonkeyframes;
419 int nb_copy_initial_nonkeyframes;
421 SpecifierOpt *filters;
426 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
429 for (i = 0; i < o->nb_ ## name; i++) {\
430 char *spec = o->name[i].specifier;\
431 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
432 outvar = o->name[i].u.type;\
438 static void reset_options(OptionsContext *o, int is_input)
440 const OptionDef *po = options;
441 OptionsContext bak= *o;
443 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
445 void *dst = (uint8_t*)o + po->u.off;
447 if (po->flags & OPT_SPEC) {
448 SpecifierOpt **so = dst;
449 int i, *count = (int*)(so + 1);
450 for (i = 0; i < *count; i++) {
451 av_freep(&(*so)[i].specifier);
452 if (po->flags & OPT_STRING)
453 av_freep(&(*so)[i].u.str);
457 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
462 av_freep(&o->stream_maps);
463 av_freep(&o->audio_channel_maps);
464 av_freep(&o->meta_data_maps);
465 av_freep(&o->streamid_map);
467 memset(o, 0, sizeof(*o));
469 if(is_input) o->recording_time = bak.recording_time;
470 else o->recording_time = INT64_MAX;
471 o->mux_max_delay = 0.7;
472 o->limit_filesize = UINT64_MAX;
473 o->chapters_input_file = INT_MAX;
479 static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf)
481 FrameBuffer *buf = av_mallocz(sizeof(*buf));
483 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
484 int h_chroma_shift, v_chroma_shift;
485 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
486 int w = s->width, h = s->height;
489 return AVERROR(ENOMEM);
491 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
496 avcodec_align_dimensions(s, &w, &h);
497 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
498 s->pix_fmt, 32)) < 0) {
502 /* XXX this shouldn't be needed, but some tests break without this line
503 * those decoders are buggy and need to be fixed.
504 * the following tests fail:
505 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
507 memset(buf->base[0], 128, ret);
509 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
510 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
511 const int h_shift = i==0 ? 0 : h_chroma_shift;
512 const int v_shift = i==0 ? 0 : v_chroma_shift;
513 if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[1])
514 buf->data[i] = buf->base[i];
516 buf->data[i] = buf->base[i] +
517 FFALIGN((buf->linesize[i]*edge >> v_shift) +
518 (pixel_size*edge >> h_shift), 32);
522 buf->pix_fmt = s->pix_fmt;
529 static void free_buffer_pool(InputStream *ist)
531 FrameBuffer *buf = ist->buffer_pool;
533 ist->buffer_pool = buf->next;
534 av_freep(&buf->base[0]);
536 buf = ist->buffer_pool;
540 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
542 av_assert0(buf->refcount);
544 if (!buf->refcount) {
545 buf->next = ist->buffer_pool;
546 ist->buffer_pool = buf;
550 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
552 InputStream *ist = s->opaque;
556 if(av_image_check_size(s->width, s->height, 0, s) || s->pix_fmt<0)
559 if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0)
562 buf = ist->buffer_pool;
563 ist->buffer_pool = buf->next;
565 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
566 av_freep(&buf->base[0]);
569 if ((ret = alloc_buffer(ist, s, &buf)) < 0)
575 frame->type = FF_BUFFER_TYPE_USER;
576 frame->extended_data = frame->data;
577 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
578 frame->width = buf->w;
579 frame->height = buf->h;
580 frame->format = buf->pix_fmt;
581 frame->sample_aspect_ratio = s->sample_aspect_ratio;
583 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
584 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
585 frame->data[i] = buf->data[i];
586 frame->linesize[i] = buf->linesize[i];
592 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
594 InputStream *ist = s->opaque;
595 FrameBuffer *buf = frame->opaque;
598 if(frame->type!=FF_BUFFER_TYPE_USER)
599 return avcodec_default_release_buffer(s, frame);
601 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
602 frame->data[i] = NULL;
604 unref_buffer(ist, buf);
607 static void filter_release_buffer(AVFilterBuffer *fb)
609 FrameBuffer *buf = fb->priv;
611 unref_buffer(buf->ist, buf);
616 static int configure_video_filters(InputStream *ist, OutputStream *ost)
618 AVFilterContext *last_filter, *filter;
619 /** filter graph containing all filters including input & output */
620 AVCodecContext *codec = ost->st->codec;
621 AVCodecContext *icodec = ist->st->codec;
622 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
623 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
624 AVRational sample_aspect_ratio;
628 ost->graph = avfilter_graph_alloc();
630 return AVERROR(ENOMEM);
632 if (ist->st->sample_aspect_ratio.num) {
633 sample_aspect_ratio = ist->st->sample_aspect_ratio;
635 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
637 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
638 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
639 sample_aspect_ratio.num, sample_aspect_ratio.den);
641 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
642 "src", args, NULL, ost->graph);
646 #if FF_API_OLD_VSINK_API
647 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
648 "out", NULL, pix_fmts, ost->graph);
650 buffersink_params->pixel_fmts = pix_fmts;
651 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
652 "out", NULL, buffersink_params, ost->graph);
654 av_freep(&buffersink_params);
658 last_filter = ost->input_video_filter;
660 if (codec->width != icodec->width || codec->height != icodec->height) {
661 snprintf(args, 255, "%d:%d:flags=0x%X",
664 (unsigned)ost->sws_flags);
665 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
666 NULL, args, NULL, ost->graph)) < 0)
668 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
670 last_filter = filter;
673 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
674 ost->graph->scale_sws_opts = av_strdup(args);
677 AVFilterInOut *outputs = avfilter_inout_alloc();
678 AVFilterInOut *inputs = avfilter_inout_alloc();
680 outputs->name = av_strdup("in");
681 outputs->filter_ctx = last_filter;
682 outputs->pad_idx = 0;
683 outputs->next = NULL;
685 inputs->name = av_strdup("out");
686 inputs->filter_ctx = ost->output_video_filter;
690 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
692 av_freep(&ost->avfilter);
694 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
698 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
701 codec->width = ost->output_video_filter->inputs[0]->w;
702 codec->height = ost->output_video_filter->inputs[0]->h;
703 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
704 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
705 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
706 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
710 #endif /* CONFIG_AVFILTER */
712 static void term_exit(void)
714 av_log(NULL, AV_LOG_QUIET, "%s", "");
717 tcsetattr (0, TCSANOW, &oldtty);
721 static volatile int received_sigterm = 0;
723 static void sigterm_handler(int sig)
725 received_sigterm = sig;
726 received_nb_signals++;
728 if(received_nb_signals > 3)
732 static void term_init(void)
738 if (tcgetattr (0, &tty) == 0) {
743 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
744 |INLCR|IGNCR|ICRNL|IXON);
745 tty.c_oflag |= OPOST;
746 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
747 tty.c_cflag &= ~(CSIZE|PARENB);
752 tcsetattr (0, TCSANOW, &tty);
754 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
757 avformat_network_deinit();
759 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
760 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
762 signal(SIGXCPU, sigterm_handler);
766 /* read a key without blocking */
767 static int read_key(void)
779 n = select(1, &rfds, NULL, NULL, &tv);
788 # if HAVE_PEEKNAMEDPIPE
790 static HANDLE input_handle;
793 input_handle = GetStdHandle(STD_INPUT_HANDLE);
794 is_pipe = !GetConsoleMode(input_handle, &dw);
797 if (stdin->_cnt > 0) {
802 /* When running under a GUI, you will end here. */
803 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
820 static int decode_interrupt_cb(void *ctx)
822 return received_nb_signals > 1;
825 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
827 void av_noreturn exit_program(int ret)
832 for (i = 0; i < nb_output_files; i++) {
833 AVFormatContext *s = output_files[i].ctx;
834 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
836 avformat_free_context(s);
837 av_dict_free(&output_files[i].opts);
839 for (i = 0; i < nb_output_streams; i++) {
840 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
842 AVBitStreamFilterContext *next = bsfc->next;
843 av_bitstream_filter_close(bsfc);
846 output_streams[i].bitstream_filters = NULL;
848 if (output_streams[i].output_frame) {
849 AVFrame *frame = output_streams[i].output_frame;
850 if (frame->extended_data != frame->data)
851 av_freep(&frame->extended_data);
855 for (i = 0; i < nb_input_files; i++) {
856 avformat_close_input(&input_files[i].ctx);
858 for (i = 0; i < nb_input_streams; i++) {
859 av_freep(&input_streams[i].decoded_frame);
860 av_freep(&input_streams[i].filtered_frame);
861 av_dict_free(&input_streams[i].opts);
862 free_buffer_pool(&input_streams[i]);
867 av_free(vstats_filename);
869 av_freep(&input_streams);
870 av_freep(&input_files);
871 av_freep(&output_streams);
872 av_freep(&output_files);
875 av_freep(&audio_buf);
876 allocated_audio_buf_size = 0;
877 av_freep(&async_buf);
878 allocated_async_buf_size = 0;
883 avformat_network_deinit();
885 if (received_sigterm) {
886 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
887 (int) received_sigterm);
891 exit(ret); /* not all OS-es handle main() return value */
894 static void assert_avoptions(AVDictionary *m)
896 AVDictionaryEntry *t;
897 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
898 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
903 static void assert_codec_experimental(AVCodecContext *c, int encoder)
905 const char *codec_string = encoder ? "encoder" : "decoder";
907 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
908 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
909 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
910 "results.\nAdd '-strict experimental' if you want to use it.\n",
911 codec_string, c->codec->name);
912 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
913 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
914 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
915 codec_string, codec->name);
920 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
922 if (codec && codec->sample_fmts) {
923 const enum AVSampleFormat *p = codec->sample_fmts;
924 for (; *p != -1; p++) {
925 if (*p == st->codec->sample_fmt)
929 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
930 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
931 if(av_get_sample_fmt_name(st->codec->sample_fmt))
932 av_log(NULL, AV_LOG_WARNING,
933 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
934 av_get_sample_fmt_name(st->codec->sample_fmt),
936 av_get_sample_fmt_name(codec->sample_fmts[0]));
937 st->codec->sample_fmt = codec->sample_fmts[0];
942 static void choose_sample_rate(AVStream *st, AVCodec *codec)
944 if (codec && codec->supported_samplerates) {
945 const int *p = codec->supported_samplerates;
947 int best_dist = INT_MAX;
949 int dist = abs(st->codec->sample_rate - *p);
950 if (dist < best_dist) {
957 const int *sample_rates = codec->supported_samplerates;
958 av_log(st->codec, AV_LOG_WARNING,
959 "Requested sampling rate (%dHz) unsupported, using %dHz instead\n"
960 "Available sampling rates for %s:",
961 st->codec->sample_rate, best, codec->name);
962 for (i = 0; sample_rates[i]; i++) {
963 if (!sample_rates[i + 1]) av_log(st->codec, AV_LOG_WARNING, " and");
964 else if (i) av_log(st->codec, AV_LOG_WARNING, ",");
965 av_log(st->codec, AV_LOG_WARNING, " %d", sample_rates[i]);
967 av_log(st->codec, AV_LOG_WARNING, ".\n");
969 st->codec->sample_rate = best;
973 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
975 if (codec && codec->pix_fmts) {
976 const enum PixelFormat *p = codec->pix_fmts;
977 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
978 enum PixelFormat best= PIX_FMT_NONE;
979 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
980 if (st->codec->codec_id == CODEC_ID_MJPEG) {
981 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
982 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
983 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
984 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
987 for (; *p != PIX_FMT_NONE; p++) {
988 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
989 if (*p == st->codec->pix_fmt)
992 if (*p == PIX_FMT_NONE) {
993 if (st->codec->pix_fmt != PIX_FMT_NONE)
994 av_log(NULL, AV_LOG_WARNING,
995 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
996 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
998 av_pix_fmt_descriptors[best].name);
999 st->codec->pix_fmt = best;
1005 get_sync_ipts(const OutputStream *ost, int64_t pts)
1007 OutputFile *of = &output_files[ost->file_index];
1008 return (double)(pts - of->start_time) / AV_TIME_BASE;
1011 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
1013 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1014 AVCodecContext *avctx = ost->st->codec;
1017 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
1018 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
1019 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
1022 * Audio encoders may split the packets -- #frames in != #packets out.
1023 * But there is no reordering, so we can limit the number of output packets
1024 * by simply dropping them here.
1025 * Counting encoded video frames needs to be done separately because of
1026 * reordering, see do_video_out()
1028 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1029 if (ost->frame_number >= ost->max_frames) {
1030 av_free_packet(pkt);
1033 ost->frame_number++;
1037 AVPacket new_pkt = *pkt;
1038 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1039 &new_pkt.data, &new_pkt.size,
1040 pkt->data, pkt->size,
1041 pkt->flags & AV_PKT_FLAG_KEY);
1043 av_free_packet(pkt);
1044 new_pkt.destruct = av_destruct_packet;
1046 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1047 bsfc->filter->name, pkt->stream_index,
1048 avctx->codec ? avctx->codec->name : "copy");
1058 pkt->stream_index = ost->index;
1059 ret = av_interleaved_write_frame(s, pkt);
1061 print_error("av_interleaved_write_frame()", ret);
1066 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1068 int fill_char = 0x00;
1069 if (sample_fmt == AV_SAMPLE_FMT_U8)
1071 memset(buf, fill_char, size);
1074 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1075 const uint8_t *buf, int buf_size)
1077 AVCodecContext *enc = ost->st->codec;
1078 AVFrame *frame = NULL;
1080 int ret, got_packet;
1082 av_init_packet(&pkt);
1086 if (buf && buf_size) {
1087 if (!ost->output_frame) {
1088 ost->output_frame = avcodec_alloc_frame();
1089 if (!ost->output_frame) {
1090 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1094 frame = ost->output_frame;
1095 if (frame->extended_data != frame->data)
1096 av_freep(&frame->extended_data);
1097 avcodec_get_frame_defaults(frame);
1099 frame->nb_samples = buf_size /
1100 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1101 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1102 buf, buf_size, 1)) < 0) {
1103 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_fill_audio_frame)\n");
1107 frame->pts = ost->sync_opts;
1108 ost->sync_opts += frame->nb_samples;
1112 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1113 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
1120 if (pkt.pts != AV_NOPTS_VALUE)
1121 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1122 if (pkt.dts != AV_NOPTS_VALUE)
1123 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1124 if (pkt.duration > 0)
1125 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1127 write_frame(s, &pkt, ost);
1129 audio_size += pkt.size;
1131 av_free_packet(&pkt);
1135 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1136 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1137 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1138 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1144 static int alloc_audio_output_buf(AVCodecContext *dec, AVCodecContext *enc,
1147 int64_t audio_buf_samples;
1150 /* calculate required number of samples to allocate */
1151 audio_buf_samples = ((int64_t)nb_samples * enc->sample_rate + dec->sample_rate) /
1153 audio_buf_samples = 4 * audio_buf_samples + 10000; // safety factors for resampling
1154 audio_buf_samples = FFMAX(audio_buf_samples, enc->frame_size);
1155 if (audio_buf_samples > INT_MAX)
1156 return AVERROR(EINVAL);
1158 audio_buf_size = av_samples_get_buffer_size(NULL, enc->channels,
1160 enc->sample_fmt, 32);
1161 if (audio_buf_size < 0)
1162 return audio_buf_size;
1164 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1166 return AVERROR(ENOMEM);
1171 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1172 InputStream *ist, AVFrame *decoded_frame)
1177 int frame_bytes, resample_changed;
1178 AVCodecContext *enc = ost->st->codec;
1179 AVCodecContext *dec = ist->st->codec;
1180 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1181 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1182 uint8_t *buf[AV_NUM_DATA_POINTERS];
1183 int size = decoded_frame->nb_samples * dec->channels * isize;
1184 int planes = av_sample_fmt_is_planar(dec->sample_fmt) ? dec->channels : 1;
1187 av_assert0(planes <= AV_NUM_DATA_POINTERS);
1189 for(i=0; i<planes; i++)
1190 buf[i]= decoded_frame->data[i];
1192 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples) < 0) {
1193 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
1197 if (enc->channels != dec->channels
1198 || enc->sample_fmt != dec->sample_fmt
1199 || enc->sample_rate!= dec->sample_rate
1201 ost->audio_resample = 1;
1203 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1204 ost->resample_channels != dec->channels ||
1205 ost->resample_sample_rate != dec->sample_rate;
1207 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1208 if (resample_changed) {
1209 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
1210 ist->file_index, ist->st->index,
1211 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1212 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1213 ost->resample_sample_fmt = dec->sample_fmt;
1214 ost->resample_channels = dec->channels;
1215 ost->resample_sample_rate = dec->sample_rate;
1216 swr_free(&ost->swr);
1218 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1219 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1220 ost->resample_sample_fmt == enc->sample_fmt &&
1221 ost->resample_channels == enc->channels &&
1222 ost->resample_sample_rate == enc->sample_rate) {
1224 ost->audio_resample = 0;
1226 ost->swr = swr_alloc_set_opts(ost->swr,
1227 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1228 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1230 if (ost->audio_channels_mapped)
1231 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1232 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1233 if (ost->audio_channels_mapped) {
1234 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1235 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1237 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1238 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1241 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1242 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1245 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1246 if(ost->swr && swr_init(ost->swr) < 0){
1247 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1248 swr_free(&ost->swr);
1252 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1253 dec->channels, dec->sample_rate,
1254 enc->channels, enc->sample_rate);
1260 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1262 if (audio_sync_method > 0) {
1263 double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
1264 av_fifo_size(ost->fifo) / (enc->channels * osize);
1265 int idelta = delta * dec->sample_rate / enc->sample_rate;
1266 int byte_delta = idelta * isize * dec->channels;
1268 // FIXME resample delay
1269 if (fabs(delta) > 50) {
1270 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1271 if (byte_delta < 0) {
1272 byte_delta = FFMAX(byte_delta, -size);
1274 for (i=0; i<planes; i++)
1275 buf[i] -= byte_delta/planes;
1276 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1277 -byte_delta / (isize * dec->channels));
1282 av_fast_malloc(&async_buf, &allocated_async_buf_size,
1285 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1289 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples + idelta) < 0) {
1290 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
1295 for (i=0; i<planes; i++) {
1296 uint8_t *t = async_buf + i*((byte_delta + size)/planes);
1297 generate_silence(t, dec->sample_fmt, byte_delta/planes);
1298 memcpy(t + byte_delta/planes, buf[i], size/planes);
1302 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1304 } else if (audio_sync_method > 1) {
1305 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1306 av_assert0(ost->audio_resample);
1307 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1308 delta, comp, enc->sample_rate);
1309 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
1310 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1314 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
1315 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1317 if (ost->audio_resample || ost->audio_channels_mapped) {
1319 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, allocated_audio_buf_size / (enc->channels * osize),
1320 buf, size / (dec->channels * isize));
1322 av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
1325 size_out = size_out * enc->channels * osize;
1331 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1333 /* now encode as many frames as possible */
1334 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1335 /* output resampled raw samples */
1336 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1337 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1340 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1342 frame_bytes = enc->frame_size * osize * enc->channels;
1344 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1345 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1346 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1349 encode_audio_frame(s, ost, buftmp, size_out);
1353 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1355 AVCodecContext *dec;
1356 AVPicture *picture2;
1357 AVPicture picture_tmp;
1360 dec = ist->st->codec;
1362 /* deinterlace : must be done before any resize */
1363 if (do_deinterlace) {
1366 /* create temporary picture */
1367 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1368 buf = av_malloc(size);
1372 picture2 = &picture_tmp;
1373 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1375 if (avpicture_deinterlace(picture2, picture,
1376 dec->pix_fmt, dec->width, dec->height) < 0) {
1377 /* if error, do not deinterlace */
1378 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1387 if (picture != picture2)
1388 *picture = *picture2;
1392 static void do_subtitle_out(AVFormatContext *s,
1398 static uint8_t *subtitle_out = NULL;
1399 int subtitle_out_max_size = 1024 * 1024;
1400 int subtitle_out_size, nb, i;
1401 AVCodecContext *enc;
1404 if (pts == AV_NOPTS_VALUE) {
1405 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1411 enc = ost->st->codec;
1413 if (!subtitle_out) {
1414 subtitle_out = av_malloc(subtitle_out_max_size);
1417 /* Note: DVB subtitle need one packet to draw them and one other
1418 packet to clear them */
1419 /* XXX: signal it in the codec context ? */
1420 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1425 for (i = 0; i < nb; i++) {
1426 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1428 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1429 // start_display_time is required to be 0
1430 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1431 sub->end_display_time -= sub->start_display_time;
1432 sub->start_display_time = 0;
1433 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1434 subtitle_out_max_size, sub);
1435 if (subtitle_out_size < 0) {
1436 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1440 av_init_packet(&pkt);
1441 pkt.data = subtitle_out;
1442 pkt.size = subtitle_out_size;
1443 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1444 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1445 /* XXX: the pts correction is handled here. Maybe handling
1446 it in the codec would be better */
1448 pkt.pts += 90 * sub->start_display_time;
1450 pkt.pts += 90 * sub->end_display_time;
1452 write_frame(s, &pkt, ost);
1456 static void do_video_resample(OutputStream *ost,
1458 AVFrame *in_picture,
1459 AVFrame **out_picture)
1462 *out_picture = in_picture;
1464 AVCodecContext *dec = ist->st->codec;
1465 AVCodecContext *enc = ost->st->codec;
1466 int resample_changed = ost->resample_width != in_picture->width ||
1467 ost->resample_height != in_picture->height ||
1468 ost->resample_pix_fmt != in_picture->format;
1470 *out_picture = in_picture;
1471 if (resample_changed) {
1472 av_log(NULL, AV_LOG_INFO,
1473 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s / frm size:%dx%d fmt:%s\n",
1474 ist->file_index, ist->st->index,
1475 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1476 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1477 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1478 ost->resample_width = in_picture->width;
1479 ost->resample_height = in_picture->height;
1480 ost->resample_pix_fmt = in_picture->format;
1483 ost->video_resample = in_picture->width != enc->width ||
1484 in_picture->height != enc->height ||
1485 in_picture->format != enc->pix_fmt;
1487 if (ost->video_resample) {
1488 *out_picture = &ost->resample_frame;
1489 if (!ost->img_resample_ctx || resample_changed) {
1490 /* initialize the destination picture */
1491 if (!ost->resample_frame.data[0]) {
1492 avcodec_get_frame_defaults(&ost->resample_frame);
1493 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1494 enc->width, enc->height)) {
1495 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1499 /* initialize a new scaler context */
1500 sws_freeContext(ost->img_resample_ctx);
1501 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1502 enc->width, enc->height, enc->pix_fmt,
1503 ost->sws_flags, NULL, NULL, NULL);
1504 if (ost->img_resample_ctx == NULL) {
1505 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1509 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1510 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1515 static double psnr(double d)
1517 return -10.0 * log(d) / log(10.0);
1520 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1523 AVCodecContext *enc;
1525 double ti1, bitrate, avg_bitrate;
1527 /* this is executed just the first time do_video_stats is called */
1529 vstats_file = fopen(vstats_filename, "w");
1536 enc = ost->st->codec;
1537 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1538 frame_number = ost->frame_number;
1539 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1540 if (enc->flags&CODEC_FLAG_PSNR)
1541 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1543 fprintf(vstats_file,"f_size= %6d ", frame_size);
1544 /* compute pts value */
1545 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1549 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1550 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1551 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1552 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1553 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1558 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1559 InputStream *ist, AVFrame *in_picture)
1561 int nb_frames, i, ret, format_video_sync;
1562 AVFrame *final_picture;
1563 AVCodecContext *enc;
1564 double sync_ipts, delta;
1565 double duration = 0;
1567 float quality = same_quant ? in_picture->quality
1568 : ost->st->codec->global_quality;
1570 enc = ost->st->codec;
1572 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1573 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1574 if(ist->st->avg_frame_rate.num)
1575 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1577 duration /= av_q2d(enc->time_base);
1580 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1581 delta = sync_ipts - ost->sync_opts + duration;
1583 /* by default, we output a single frame */
1586 format_video_sync = video_sync_method;
1587 if (format_video_sync == VSYNC_AUTO)
1588 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1590 switch (format_video_sync) {
1592 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1595 else if (delta > 1.1)
1596 nb_frames = lrintf(delta);
1601 else if (delta > 0.6)
1602 ost->sync_opts = lrintf(sync_ipts);
1605 case VSYNC_PASSTHROUGH:
1606 ost->sync_opts = lrintf(sync_ipts);
1612 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1613 if (nb_frames == 0) {
1615 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1617 } else if (nb_frames > 1) {
1618 nb_frames_dup += nb_frames - 1;
1619 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1622 do_video_resample(ost, ist, in_picture, &final_picture);
1624 /* duplicates frame if needed */
1625 for (i = 0; i < nb_frames; i++) {
1627 av_init_packet(&pkt);
1631 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1632 enc->codec->id == CODEC_ID_RAWVIDEO) {
1633 /* raw pictures are written as AVPicture structure to
1634 avoid any copies. We support temporarily the older
1636 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1637 enc->coded_frame->top_field_first = in_picture->top_field_first;
1638 pkt.data = (uint8_t *)final_picture;
1639 pkt.size = sizeof(AVPicture);
1640 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1641 pkt.flags |= AV_PKT_FLAG_KEY;
1643 write_frame(s, &pkt, ost);
1646 AVFrame big_picture;
1648 big_picture = *final_picture;
1649 /* better than nothing: use input picture interlaced
1651 big_picture.interlaced_frame = in_picture->interlaced_frame;
1652 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1653 if (ost->top_field_first == -1)
1654 big_picture.top_field_first = in_picture->top_field_first;
1656 big_picture.top_field_first = !!ost->top_field_first;
1659 /* handles same_quant here. This is not correct because it may
1660 not be a global option */
1661 big_picture.quality = quality;
1662 if (!enc->me_threshold)
1663 big_picture.pict_type = 0;
1664 big_picture.pts = ost->sync_opts;
1665 if (ost->forced_kf_index < ost->forced_kf_count &&
1666 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1667 big_picture.pict_type = AV_PICTURE_TYPE_I;
1668 ost->forced_kf_index++;
1670 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1672 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1677 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1678 pkt.pts = ost->sync_opts;
1680 if (pkt.pts != AV_NOPTS_VALUE)
1681 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1682 if (pkt.dts != AV_NOPTS_VALUE)
1683 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1686 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1687 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1688 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1689 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1692 write_frame(s, &pkt, ost);
1693 frame_size = pkt.size;
1694 video_size += pkt.size;
1695 av_free_packet(&pkt);
1697 /* if two pass, output log */
1698 if (ost->logfile && enc->stats_out) {
1699 fprintf(ost->logfile, "%s", enc->stats_out);
1705 * For video, number of frames in == number of packets out.
1706 * But there may be reordering, so we can't throw away frames on encoder
1707 * flush, we need to limit them here, before they go into encoder.
1709 ost->frame_number++;
1711 if (vstats_filename && frame_size)
1712 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1715 static void print_report(OutputFile *output_files,
1716 OutputStream *ost_table, int nb_ostreams,
1717 int is_last_report, int64_t timer_start, int64_t cur_time)
1721 AVFormatContext *oc;
1723 AVCodecContext *enc;
1724 int frame_number, vid, i;
1726 int64_t pts = INT64_MAX;
1727 static int64_t last_time = -1;
1728 static int qp_histogram[52];
1729 int hours, mins, secs, us;
1731 if (!print_stats && !is_last_report)
1734 if (!is_last_report) {
1735 if (last_time == -1) {
1736 last_time = cur_time;
1739 if ((cur_time - last_time) < 500000)
1741 last_time = cur_time;
1745 oc = output_files[0].ctx;
1747 total_size = avio_size(oc->pb);
1748 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1749 total_size = avio_tell(oc->pb);
1756 for (i = 0; i < nb_ostreams; i++) {
1758 ost = &ost_table[i];
1759 enc = ost->st->codec;
1760 if (!ost->stream_copy && enc->coded_frame)
1761 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1762 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1763 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1765 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1766 float fps, t = (cur_time-timer_start) / 1000000.0;
1768 frame_number = ost->frame_number;
1769 fps = t > 1 ? frame_number / t : 0;
1770 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1771 frame_number, fps < 9.95, fps, q);
1773 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1777 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1779 for (j = 0; j < 32; j++)
1780 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1782 if (enc->flags&CODEC_FLAG_PSNR) {
1784 double error, error_sum = 0;
1785 double scale, scale_sum = 0;
1786 char type[3] = { 'Y','U','V' };
1787 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1788 for (j = 0; j < 3; j++) {
1789 if (is_last_report) {
1790 error = enc->error[j];
1791 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1793 error = enc->coded_frame->error[j];
1794 scale = enc->width * enc->height * 255.0 * 255.0;
1800 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1802 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1806 /* compute min output value */
1807 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1808 ost->st->time_base, AV_TIME_BASE_Q));
1811 secs = pts / AV_TIME_BASE;
1812 us = pts % AV_TIME_BASE;
1818 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1820 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1821 "size=%8.0fkB time=", total_size / 1024.0);
1822 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1823 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1824 (100 * us) / AV_TIME_BASE);
1825 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1826 "bitrate=%6.1fkbits/s", bitrate);
1828 if (nb_frames_dup || nb_frames_drop)
1829 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1830 nb_frames_dup, nb_frames_drop);
1832 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1836 if (is_last_report) {
1837 int64_t raw= audio_size + video_size + extra_size;
1838 av_log(NULL, AV_LOG_INFO, "\n");
1839 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1840 video_size / 1024.0,
1841 audio_size / 1024.0,
1842 extra_size / 1024.0,
1843 100.0 * (total_size - raw) / raw
1845 if(video_size + audio_size + extra_size == 0){
1846 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1851 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1855 for (i = 0; i < nb_ostreams; i++) {
1856 OutputStream *ost = &ost_table[i];
1857 AVCodecContext *enc = ost->st->codec;
1858 AVFormatContext *os = output_files[ost->file_index].ctx;
1859 int stop_encoding = 0;
1861 if (!ost->encoding_needed)
1864 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1866 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1871 int fifo_bytes, got_packet;
1872 av_init_packet(&pkt);
1876 switch (ost->st->codec->codec_type) {
1877 case AVMEDIA_TYPE_AUDIO:
1878 fifo_bytes = av_fifo_size(ost->fifo);
1879 if (fifo_bytes > 0) {
1880 /* encode any samples remaining in fifo */
1881 int frame_bytes = fifo_bytes;
1883 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1885 /* pad last frame with silence if needed */
1886 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1887 frame_bytes = enc->frame_size * enc->channels *
1888 av_get_bytes_per_sample(enc->sample_fmt);
1889 if (allocated_audio_buf_size < frame_bytes)
1891 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1893 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1895 /* flush encoder with NULL frames until it is done
1896 returning packets */
1897 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1903 case AVMEDIA_TYPE_VIDEO:
1904 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1906 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1909 video_size += pkt.size;
1910 if (ost->logfile && enc->stats_out) {
1911 fprintf(ost->logfile, "%s", enc->stats_out);
1917 if (pkt.pts != AV_NOPTS_VALUE)
1918 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1919 if (pkt.dts != AV_NOPTS_VALUE)
1920 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1921 write_frame(os, &pkt, ost);
1933 * Check whether a packet from ist should be written into ost at this time
1935 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1937 OutputFile *of = &output_files[ost->file_index];
1938 int ist_index = ist - input_streams;
1940 if (ost->source_index != ist_index)
1943 if (of->start_time && ist->pts < of->start_time)
1946 if (of->recording_time != INT64_MAX &&
1947 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1948 (AVRational){ 1, 1000000 }) >= 0) {
1949 ost->is_past_recording_time = 1;
1956 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1958 OutputFile *of = &output_files[ost->file_index];
1959 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1963 av_init_packet(&opkt);
1965 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1966 !ost->copy_initial_nonkeyframes)
1969 /* force the input stream PTS */
1970 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1971 audio_size += pkt->size;
1972 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1973 video_size += pkt->size;
1977 if (pkt->pts != AV_NOPTS_VALUE)
1978 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1980 opkt.pts = AV_NOPTS_VALUE;
1982 if (pkt->dts == AV_NOPTS_VALUE)
1983 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1985 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1986 opkt.dts -= ost_tb_start_time;
1988 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1989 opkt.flags = pkt->flags;
1991 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1992 if ( ost->st->codec->codec_id != CODEC_ID_H264
1993 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1994 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1995 && ost->st->codec->codec_id != CODEC_ID_VC1
1997 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1998 opkt.destruct = av_destruct_packet;
2000 opkt.data = pkt->data;
2001 opkt.size = pkt->size;
2003 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
2004 /* store AVPicture in AVPacket, as expected by the output format */
2005 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
2006 opkt.data = (uint8_t *)&pict;
2007 opkt.size = sizeof(AVPicture);
2008 opkt.flags |= AV_PKT_FLAG_KEY;
2011 write_frame(of->ctx, &opkt, ost);
2012 ost->st->codec->frame_number++;
2013 av_free_packet(&opkt);
2016 static void rate_emu_sleep(InputStream *ist)
2018 if (input_files[ist->file_index].rate_emu) {
2019 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
2020 int64_t now = av_gettime() - ist->start;
2026 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
2028 AVFrame *decoded_frame;
2029 AVCodecContext *avctx = ist->st->codec;
2030 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
2033 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2034 return AVERROR(ENOMEM);
2036 avcodec_get_frame_defaults(ist->decoded_frame);
2037 decoded_frame = ist->decoded_frame;
2039 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2043 if (avctx->sample_rate <= 0) {
2044 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
2045 return AVERROR_INVALIDDATA;
2049 /* no audio frame */
2053 /* if the decoder provides a pts, use it instead of the last packet pts.
2054 the decoder could be delaying output by a packet or more. */
2055 if (decoded_frame->pts != AV_NOPTS_VALUE)
2056 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2058 /* increment next_dts to use for the case where the input stream does not
2059 have timestamps or there are multiple frames in the packet */
2060 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2062 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2066 // preprocess audio (volume)
2067 if (audio_volume != 256) {
2068 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2069 void *samples = decoded_frame->data[0];
2070 switch (avctx->sample_fmt) {
2071 case AV_SAMPLE_FMT_U8:
2073 uint8_t *volp = samples;
2074 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2075 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2076 *volp++ = av_clip_uint8(v);
2080 case AV_SAMPLE_FMT_S16:
2082 int16_t *volp = samples;
2083 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2084 int v = ((*volp) * audio_volume + 128) >> 8;
2085 *volp++ = av_clip_int16(v);
2089 case AV_SAMPLE_FMT_S32:
2091 int32_t *volp = samples;
2092 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2093 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2094 *volp++ = av_clipl_int32(v);
2098 case AV_SAMPLE_FMT_FLT:
2100 float *volp = samples;
2101 float scale = audio_volume / 256.f;
2102 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2107 case AV_SAMPLE_FMT_DBL:
2109 double *volp = samples;
2110 double scale = audio_volume / 256.;
2111 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2117 av_log(NULL, AV_LOG_FATAL,
2118 "Audio volume adjustment on sample format %s is not supported.\n",
2119 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2124 rate_emu_sleep(ist);
2126 for (i = 0; i < nb_output_streams; i++) {
2127 OutputStream *ost = &output_streams[i];
2129 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2131 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2137 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2139 AVFrame *decoded_frame;
2140 void *buffer_to_free = NULL;
2142 int64_t *best_effort_timestamp;
2143 AVRational *frame_sample_aspect;
2145 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2146 return AVERROR(ENOMEM);
2148 avcodec_get_frame_defaults(ist->decoded_frame);
2149 decoded_frame = ist->decoded_frame;
2150 pkt->pts = *pkt_pts;
2151 pkt->dts = ist->dts;
2152 *pkt_pts = AV_NOPTS_VALUE;
2154 ret = avcodec_decode_video2(ist->st->codec,
2155 decoded_frame, got_output, pkt);
2160 /* no picture yet */
2164 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2165 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2166 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2170 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2173 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2174 for(i=0;i<nb_output_streams;i++) {
2175 OutputStream *ost = ost = &output_streams[i];
2176 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2177 int changed = ist->st->codec->width != ost->input_video_filter->outputs[0]->w
2178 || ist->st->codec->height != ost->input_video_filter->outputs[0]->h
2179 || ist->st->codec->pix_fmt != ost->input_video_filter->outputs[0]->format;
2180 if (!frame_sample_aspect->num)
2181 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2182 decoded_frame->pts = ist->pts;
2183 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
2184 FrameBuffer *buf = decoded_frame->opaque;
2185 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2186 decoded_frame->data, decoded_frame->linesize,
2187 AV_PERM_READ | AV_PERM_PRESERVE,
2188 ist->st->codec->width, ist->st->codec->height,
2189 ist->st->codec->pix_fmt);
2191 avfilter_copy_frame_props(fb, decoded_frame);
2192 fb->buf->priv = buf;
2193 fb->buf->free = filter_release_buffer;
2196 av_buffersrc_buffer(ost->input_video_filter, fb);
2198 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2199 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2206 rate_emu_sleep(ist);
2208 for (i = 0; i < nb_output_streams; i++) {
2209 OutputStream *ost = &output_streams[i];
2211 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2215 while (av_buffersink_poll_frame(ost->output_video_filter)) {
2216 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2217 AVFrame *filtered_frame;
2219 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2220 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2223 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2224 ret = AVERROR(ENOMEM);
2227 filtered_frame = ist->filtered_frame;
2228 *filtered_frame= *decoded_frame; //for me_threshold
2229 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2230 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2231 if (!ost->frame_aspect_ratio)
2232 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2233 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame);
2235 avfilter_unref_buffer(ost->picref);
2238 do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2243 av_free(buffer_to_free);
2247 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2249 AVSubtitle subtitle;
2250 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2251 &subtitle, got_output, pkt);
2257 rate_emu_sleep(ist);
2259 for (i = 0; i < nb_output_streams; i++) {
2260 OutputStream *ost = &output_streams[i];
2262 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2265 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2268 avsubtitle_free(&subtitle);
2272 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2273 static int output_packet(InputStream *ist,
2274 OutputStream *ost_table, int nb_ostreams,
2275 const AVPacket *pkt)
2279 int64_t pkt_pts = AV_NOPTS_VALUE;
2283 if (ist->next_dts == AV_NOPTS_VALUE)
2284 ist->next_dts = ist->dts;
2285 if (ist->next_pts == AV_NOPTS_VALUE)
2286 ist->next_pts = ist->pts;
2290 av_init_packet(&avpkt);
2298 if (pkt->dts != AV_NOPTS_VALUE) {
2299 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2300 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2301 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2303 if(pkt->pts != AV_NOPTS_VALUE)
2304 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2306 // while we have more to decode or while the decoder did output something on EOF
2307 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2311 ist->pts = ist->next_pts;
2312 ist->dts = ist->next_dts;
2314 if (avpkt.size && avpkt.size != pkt->size) {
2315 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2316 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2317 ist->showed_multi_packet_warning = 1;
2320 switch (ist->st->codec->codec_type) {
2321 case AVMEDIA_TYPE_AUDIO:
2322 ret = transcode_audio (ist, &avpkt, &got_output);
2324 case AVMEDIA_TYPE_VIDEO:
2325 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2326 if (avpkt.duration) {
2327 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2328 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2329 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2330 duration = ((int64_t)AV_TIME_BASE *
2331 ist->st->codec->time_base.num * ticks) /
2332 ist->st->codec->time_base.den;
2336 if(ist->dts != AV_NOPTS_VALUE && duration) {
2337 ist->next_dts += duration;
2339 ist->next_dts = AV_NOPTS_VALUE;
2342 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2344 case AVMEDIA_TYPE_SUBTITLE:
2345 ret = transcode_subtitles(ist, &avpkt, &got_output);
2355 avpkt.pts= AV_NOPTS_VALUE;
2357 // touch data and size only if not EOF
2359 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2369 /* handle stream copy */
2370 if (!ist->decoding_needed) {
2371 rate_emu_sleep(ist);
2372 ist->dts = ist->next_dts;
2373 switch (ist->st->codec->codec_type) {
2374 case AVMEDIA_TYPE_AUDIO:
2375 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2376 ist->st->codec->sample_rate;
2378 case AVMEDIA_TYPE_VIDEO:
2379 if (pkt->duration) {
2380 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2381 } else if(ist->st->codec->time_base.num != 0) {
2382 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2383 ist->next_dts += ((int64_t)AV_TIME_BASE *
2384 ist->st->codec->time_base.num * ticks) /
2385 ist->st->codec->time_base.den;
2389 ist->pts = ist->dts;
2390 ist->next_pts = ist->next_dts;
2392 for (i = 0; pkt && i < nb_ostreams; i++) {
2393 OutputStream *ost = &ost_table[i];
2395 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2398 do_streamcopy(ist, ost, pkt);
2404 static void print_sdp(OutputFile *output_files, int n)
2408 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2412 for (i = 0; i < n; i++)
2413 avc[i] = output_files[i].ctx;
2415 av_sdp_create(avc, n, sdp, sizeof(sdp));
2416 printf("SDP:\n%s\n", sdp);
2421 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2422 char *error, int error_len)
2424 InputStream *ist = &input_streams[ist_index];
2425 if (ist->decoding_needed) {
2426 AVCodec *codec = ist->dec;
2428 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2429 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2430 return AVERROR(EINVAL);
2433 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2434 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2435 ist->st->codec->get_buffer = codec_get_buffer;
2436 ist->st->codec->release_buffer = codec_release_buffer;
2437 ist->st->codec->opaque = ist;
2440 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2441 av_dict_set(&ist->opts, "threads", "auto", 0);
2442 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2443 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2444 ist->file_index, ist->st->index);
2445 return AVERROR(EINVAL);
2447 assert_codec_experimental(ist->st->codec, 0);
2448 assert_avoptions(ist->opts);
2451 ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2452 ist->next_pts = AV_NOPTS_VALUE;
2453 ist->next_dts = AV_NOPTS_VALUE;
2459 static int transcode_init(OutputFile *output_files, int nb_output_files,
2460 InputFile *input_files, int nb_input_files)
2462 int ret = 0, i, j, k;
2463 AVFormatContext *oc;
2464 AVCodecContext *codec, *icodec;
2470 /* init framerate emulation */
2471 for (i = 0; i < nb_input_files; i++) {
2472 InputFile *ifile = &input_files[i];
2473 if (ifile->rate_emu)
2474 for (j = 0; j < ifile->nb_streams; j++)
2475 input_streams[j + ifile->ist_index].start = av_gettime();
2478 /* output stream init */
2479 for (i = 0; i < nb_output_files; i++) {
2480 oc = output_files[i].ctx;
2481 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2482 av_dump_format(oc, i, oc->filename, 1);
2483 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2484 return AVERROR(EINVAL);
2488 /* for each output stream, we compute the right encoding parameters */
2489 for (i = 0; i < nb_output_streams; i++) {
2490 ost = &output_streams[i];
2491 oc = output_files[ost->file_index].ctx;
2492 ist = &input_streams[ost->source_index];
2494 if (ost->attachment_filename)
2497 codec = ost->st->codec;
2498 icodec = ist->st->codec;
2500 ost->st->disposition = ist->st->disposition;
2501 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2502 codec->chroma_sample_location = icodec->chroma_sample_location;
2504 if (ost->stream_copy) {
2505 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2507 if (extra_size > INT_MAX) {
2508 return AVERROR(EINVAL);
2511 /* if stream_copy is selected, no need to decode or encode */
2512 codec->codec_id = icodec->codec_id;
2513 codec->codec_type = icodec->codec_type;
2515 if (!codec->codec_tag) {
2516 if (!oc->oformat->codec_tag ||
2517 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2518 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2519 codec->codec_tag = icodec->codec_tag;
2522 codec->bit_rate = icodec->bit_rate;
2523 codec->rc_max_rate = icodec->rc_max_rate;
2524 codec->rc_buffer_size = icodec->rc_buffer_size;
2525 codec->field_order = icodec->field_order;
2526 codec->extradata = av_mallocz(extra_size);
2527 if (!codec->extradata) {
2528 return AVERROR(ENOMEM);
2530 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2531 codec->extradata_size= icodec->extradata_size;
2533 codec->time_base = ist->st->time_base;
2535 * Avi is a special case here because it supports variable fps but
2536 * having the fps and timebase differe significantly adds quite some
2539 if(!strcmp(oc->oformat->name, "avi")) {
2540 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2541 && av_q2d(ist->st->time_base) < 1.0/500
2543 codec->time_base = icodec->time_base;
2544 codec->time_base.num *= icodec->ticks_per_frame;
2545 codec->time_base.den *= 2;
2547 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2548 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2549 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2551 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2552 && av_q2d(ist->st->time_base) < 1.0/500
2554 codec->time_base = icodec->time_base;
2555 codec->time_base.num *= icodec->ticks_per_frame;
2558 av_reduce(&codec->time_base.num, &codec->time_base.den,
2559 codec->time_base.num, codec->time_base.den, INT_MAX);
2561 switch (codec->codec_type) {
2562 case AVMEDIA_TYPE_AUDIO:
2563 if (audio_volume != 256) {
2564 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2567 codec->channel_layout = icodec->channel_layout;
2568 codec->sample_rate = icodec->sample_rate;
2569 codec->channels = icodec->channels;
2570 codec->frame_size = icodec->frame_size;
2571 codec->audio_service_type = icodec->audio_service_type;
2572 codec->block_align = icodec->block_align;
2574 case AVMEDIA_TYPE_VIDEO:
2575 codec->pix_fmt = icodec->pix_fmt;
2576 codec->width = icodec->width;
2577 codec->height = icodec->height;
2578 codec->has_b_frames = icodec->has_b_frames;
2579 if (!codec->sample_aspect_ratio.num) {
2580 codec->sample_aspect_ratio =
2581 ost->st->sample_aspect_ratio =
2582 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2583 ist->st->codec->sample_aspect_ratio.num ?
2584 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2586 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2588 case AVMEDIA_TYPE_SUBTITLE:
2589 codec->width = icodec->width;
2590 codec->height = icodec->height;
2592 case AVMEDIA_TYPE_DATA:
2593 case AVMEDIA_TYPE_ATTACHMENT:
2600 ost->enc = avcodec_find_encoder(codec->codec_id);
2602 ist->decoding_needed = 1;
2603 ost->encoding_needed = 1;
2605 switch (codec->codec_type) {
2606 case AVMEDIA_TYPE_AUDIO:
2607 ost->fifo = av_fifo_alloc(1024);
2609 return AVERROR(ENOMEM);
2611 if (!codec->sample_rate)
2612 codec->sample_rate = icodec->sample_rate;
2613 choose_sample_rate(ost->st, ost->enc);
2614 codec->time_base = (AVRational){ 1, codec->sample_rate };
2616 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2617 codec->sample_fmt = icodec->sample_fmt;
2618 choose_sample_fmt(ost->st, ost->enc);
2620 if (ost->audio_channels_mapped) {
2621 /* the requested output channel is set to the number of
2622 * -map_channel only if no -ac are specified */
2623 if (!codec->channels) {
2624 codec->channels = ost->audio_channels_mapped;
2625 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2626 if (!codec->channel_layout) {
2627 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2631 /* fill unused channel mapping with -1 (which means a muted
2632 * channel in case the number of output channels is bigger
2633 * than the number of mapped channel) */
2634 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2635 ost->audio_channels_map[j] = -1;
2636 } else if (!codec->channels) {
2637 codec->channels = icodec->channels;
2638 codec->channel_layout = icodec->channel_layout;
2640 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2641 codec->channel_layout = 0;
2643 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2644 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2645 || codec->channel_layout != icodec->channel_layout;
2646 icodec->request_channels = codec->channels;
2647 ost->resample_sample_fmt = icodec->sample_fmt;
2648 ost->resample_sample_rate = icodec->sample_rate;
2649 ost->resample_channels = icodec->channels;
2651 case AVMEDIA_TYPE_VIDEO:
2652 if (codec->pix_fmt == PIX_FMT_NONE)
2653 codec->pix_fmt = icodec->pix_fmt;
2654 choose_pixel_fmt(ost->st, ost->enc);
2656 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2657 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2661 if (!codec->width || !codec->height) {
2662 codec->width = icodec->width;
2663 codec->height = icodec->height;
2666 ost->video_resample = codec->width != icodec->width ||
2667 codec->height != icodec->height ||
2668 codec->pix_fmt != icodec->pix_fmt;
2669 if (ost->video_resample) {
2670 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2673 ost->resample_height = icodec->height;
2674 ost->resample_width = icodec->width;
2675 ost->resample_pix_fmt = icodec->pix_fmt;
2677 if (!ost->frame_rate.num)
2678 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2679 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2680 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2681 ost->frame_rate = ost->enc->supported_framerates[idx];
2683 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2684 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2685 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2686 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2687 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2689 for (j = 0; j < ost->forced_kf_count; j++)
2690 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2695 if (configure_video_filters(ist, ost)) {
2696 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2701 case AVMEDIA_TYPE_SUBTITLE:
2702 codec->time_base = (AVRational){1, 1000};
2709 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2710 char logfilename[1024];
2713 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2714 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2716 if (!strcmp(ost->enc->name, "libx264")) {
2717 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2719 if (codec->flags & CODEC_FLAG_PASS2) {
2721 size_t logbuffer_size;
2722 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2723 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2727 codec->stats_in = logbuffer;
2729 if (codec->flags & CODEC_FLAG_PASS1) {
2730 f = fopen(logfilename, "wb");
2732 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2733 logfilename, strerror(errno));
2743 /* open each encoder */
2744 for (i = 0; i < nb_output_streams; i++) {
2745 ost = &output_streams[i];
2746 if (ost->encoding_needed) {
2747 AVCodec *codec = ost->enc;
2748 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2750 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2751 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2752 ret = AVERROR(EINVAL);
2755 if (dec->subtitle_header) {
2756 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2757 if (!ost->st->codec->subtitle_header) {
2758 ret = AVERROR(ENOMEM);
2761 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2762 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2764 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2765 av_dict_set(&ost->opts, "threads", "auto", 0);
2766 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2767 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2768 ost->file_index, ost->index);
2769 ret = AVERROR(EINVAL);
2772 assert_codec_experimental(ost->st->codec, 1);
2773 assert_avoptions(ost->opts);
2774 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2775 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2776 " It takes bits/s as argument, not kbits/s\n");
2777 extra_size += ost->st->codec->extradata_size;
2779 if (ost->st->codec->me_threshold)
2780 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2784 /* init input streams */
2785 for (i = 0; i < nb_input_streams; i++)
2786 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2789 /* discard unused programs */
2790 for (i = 0; i < nb_input_files; i++) {
2791 InputFile *ifile = &input_files[i];
2792 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2793 AVProgram *p = ifile->ctx->programs[j];
2794 int discard = AVDISCARD_ALL;
2796 for (k = 0; k < p->nb_stream_indexes; k++)
2797 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2798 discard = AVDISCARD_DEFAULT;
2801 p->discard = discard;
2805 /* open files and write file headers */
2806 for (i = 0; i < nb_output_files; i++) {
2807 oc = output_files[i].ctx;
2808 oc->interrupt_callback = int_cb;
2809 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2810 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2811 ret = AVERROR(EINVAL);
2814 // assert_avoptions(output_files[i].opts);
2815 if (strcmp(oc->oformat->name, "rtp")) {
2821 /* dump the file output parameters - cannot be done before in case
2823 for (i = 0; i < nb_output_files; i++) {
2824 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2827 /* dump the stream mapping */
2828 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2829 for (i = 0; i < nb_output_streams; i++) {
2830 ost = &output_streams[i];
2832 if (ost->attachment_filename) {
2833 /* an attached file */
2834 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2835 ost->attachment_filename, ost->file_index, ost->index);
2838 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2839 input_streams[ost->source_index].file_index,
2840 input_streams[ost->source_index].st->index,
2843 if (ost->audio_channels_mapped) {
2844 av_log(NULL, AV_LOG_INFO, " [ch:");
2845 for (j = 0; j < ost->audio_channels_mapped; j++)
2846 if (ost->audio_channels_map[j] == -1)
2847 av_log(NULL, AV_LOG_INFO, " M");
2849 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2850 av_log(NULL, AV_LOG_INFO, "]");
2852 if (ost->sync_ist != &input_streams[ost->source_index])
2853 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2854 ost->sync_ist->file_index,
2855 ost->sync_ist->st->index);
2856 if (ost->stream_copy)
2857 av_log(NULL, AV_LOG_INFO, " (copy)");
2859 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2860 input_streams[ost->source_index].dec->name : "?",
2861 ost->enc ? ost->enc->name : "?");
2862 av_log(NULL, AV_LOG_INFO, "\n");
2866 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2871 print_sdp(output_files, nb_output_files);
2878 * The following code is the main loop of the file converter
2880 static int transcode(OutputFile *output_files, int nb_output_files,
2881 InputFile *input_files, int nb_input_files)
2884 AVFormatContext *is, *os;
2888 int no_packet_count = 0;
2889 int64_t timer_start;
2892 if (!(no_packet = av_mallocz(nb_input_files)))
2895 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2900 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2903 timer_start = av_gettime();
2905 for (; received_sigterm == 0;) {
2906 int file_index, ist_index;
2910 int64_t cur_time= av_gettime();
2912 ipts_min = INT64_MAX;
2914 /* if 'q' pressed, exits */
2916 static int64_t last_time;
2917 if (received_nb_signals)
2919 /* read_key() returns 0 on EOF */
2920 if(cur_time - last_time >= 100000 && !run_as_daemon){
2922 last_time = cur_time;
2927 if (key == '+') av_log_set_level(av_log_get_level()+10);
2928 if (key == '-') av_log_set_level(av_log_get_level()-10);
2929 if (key == 's') qp_hist ^= 1;
2932 do_hex_dump = do_pkt_dump = 0;
2933 } else if(do_pkt_dump){
2937 av_log_set_level(AV_LOG_DEBUG);
2940 if (key == 'c' || key == 'C'){
2941 char buf[4096], target[64], command[256], arg[256] = {0};
2944 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2946 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2951 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2952 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2953 target, time, command, arg);
2954 for (i = 0; i < nb_output_streams; i++) {
2955 ost = &output_streams[i];
2958 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2959 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2960 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2962 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2967 av_log(NULL, AV_LOG_ERROR,
2968 "Parse error, at least 3 arguments were expected, "
2969 "only %d given in string '%s'\n", n, buf);
2973 if (key == 'd' || key == 'D'){
2976 debug = input_streams[0].st->codec->debug<<1;
2977 if(!debug) debug = 1;
2978 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2981 if(scanf("%d", &debug)!=1)
2982 fprintf(stderr,"error parsing debug value\n");
2983 for(i=0;i<nb_input_streams;i++) {
2984 input_streams[i].st->codec->debug = debug;
2986 for(i=0;i<nb_output_streams;i++) {
2987 ost = &output_streams[i];
2988 ost->st->codec->debug = debug;
2990 if(debug) av_log_set_level(AV_LOG_DEBUG);
2991 fprintf(stderr,"debug=%d\n", debug);
2994 fprintf(stderr, "key function\n"
2995 "? show this help\n"
2996 "+ increase verbosity\n"
2997 "- decrease verbosity\n"
2998 "c Send command to filtergraph\n"
2999 "D cycle through available debug modes\n"
3000 "h dump packets/hex press to cycle through the 3 states\n"
3002 "s Show QP histogram\n"
3007 /* select the stream that we must read now by looking at the
3008 smallest output pts */
3010 for (i = 0; i < nb_output_streams; i++) {
3014 ost = &output_streams[i];
3015 of = &output_files[ost->file_index];
3016 os = output_files[ost->file_index].ctx;
3017 ist = &input_streams[ost->source_index];
3018 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
3019 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3021 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
3023 if (!input_files[ist->file_index].eof_reached) {
3024 if (ipts < ipts_min) {
3027 file_index = ist->file_index;
3029 if (opts < opts_min) {
3031 if (!input_sync) file_index = ist->file_index;
3034 if (ost->frame_number >= ost->max_frames) {
3036 for (j = 0; j < of->ctx->nb_streams; j++)
3037 output_streams[of->ost_index + j].is_past_recording_time = 1;
3041 /* if none, if is finished */
3042 if (file_index < 0) {
3043 if (no_packet_count) {
3044 no_packet_count = 0;
3045 memset(no_packet, 0, nb_input_files);
3052 /* read a frame from it and output it in the fifo */
3053 is = input_files[file_index].ctx;
3054 ret = av_read_frame(is, &pkt);
3055 if (ret == AVERROR(EAGAIN)) {
3056 no_packet[file_index] = 1;
3061 input_files[file_index].eof_reached = 1;
3068 no_packet_count = 0;
3069 memset(no_packet, 0, nb_input_files);
3072 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3073 is->streams[pkt.stream_index]);
3075 /* the following test is needed in case new streams appear
3076 dynamically in stream : we ignore them */
3077 if (pkt.stream_index >= input_files[file_index].nb_streams)
3078 goto discard_packet;
3079 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3080 ist = &input_streams[ist_index];
3082 goto discard_packet;
3084 if (pkt.dts != AV_NOPTS_VALUE)
3085 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3086 if (pkt.pts != AV_NOPTS_VALUE)
3087 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3089 if (pkt.pts != AV_NOPTS_VALUE)
3090 pkt.pts *= ist->ts_scale;
3091 if (pkt.dts != AV_NOPTS_VALUE)
3092 pkt.dts *= ist->ts_scale;
3095 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3096 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3097 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3098 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3099 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3100 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3101 input_files[ist->file_index].ts_offset);
3104 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3105 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3106 int64_t delta = pkt_dts - ist->next_dts;
3107 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3108 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3109 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3110 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3111 pkt_dts+1<ist->pts){
3112 input_files[ist->file_index].ts_offset -= delta;
3113 av_log(NULL, AV_LOG_DEBUG,
3114 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3115 delta, input_files[ist->file_index].ts_offset);
3116 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3117 if (pkt.pts != AV_NOPTS_VALUE)
3118 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3121 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3122 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3123 pkt_dts+1<ist->pts){
3124 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3125 pkt.dts = AV_NOPTS_VALUE;
3127 if (pkt.pts != AV_NOPTS_VALUE){
3128 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3129 delta = pkt_pts - ist->next_dts;
3130 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3131 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3132 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3133 pkt.pts = AV_NOPTS_VALUE;
3139 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3140 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3142 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3143 ist->file_index, ist->st->index);
3146 av_free_packet(&pkt);
3151 av_free_packet(&pkt);
3153 /* dump report by using the output first video and audio streams */
3154 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3157 /* at the end of stream, we must flush the decoder buffers */
3158 for (i = 0; i < nb_input_streams; i++) {
3159 ist = &input_streams[i];
3160 if (ist->decoding_needed) {
3161 output_packet(ist, output_streams, nb_output_streams, NULL);
3164 flush_encoders(output_streams, nb_output_streams);
3168 /* write the trailer if needed and close file */
3169 for (i = 0; i < nb_output_files; i++) {
3170 os = output_files[i].ctx;
3171 av_write_trailer(os);
3174 /* dump report by using the first video and audio streams */
3175 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3177 /* close each encoder */
3178 for (i = 0; i < nb_output_streams; i++) {
3179 ost = &output_streams[i];
3180 if (ost->encoding_needed) {
3181 av_freep(&ost->st->codec->stats_in);
3182 avcodec_close(ost->st->codec);
3185 avfilter_graph_free(&ost->graph);
3189 /* close each decoder */
3190 for (i = 0; i < nb_input_streams; i++) {
3191 ist = &input_streams[i];
3192 if (ist->decoding_needed) {
3193 avcodec_close(ist->st->codec);
3201 av_freep(&no_packet);
3203 if (output_streams) {
3204 for (i = 0; i < nb_output_streams; i++) {
3205 ost = &output_streams[i];
3207 if (ost->stream_copy)
3208 av_freep(&ost->st->codec->extradata);
3210 fclose(ost->logfile);
3211 ost->logfile = NULL;
3213 av_fifo_free(ost->fifo); /* works even if fifo is not
3214 initialized but set to zero */
3215 av_freep(&ost->st->codec->subtitle_header);
3216 av_free(ost->resample_frame.data[0]);
3217 av_free(ost->forced_kf_pts);
3218 if (ost->video_resample)
3219 sws_freeContext(ost->img_resample_ctx);
3220 swr_free(&ost->swr);
3221 av_dict_free(&ost->opts);
3228 static int opt_frame_crop(const char *opt, const char *arg)
3230 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3231 return AVERROR(EINVAL);
3234 static int opt_pad(const char *opt, const char *arg)
3236 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3240 static int opt_video_channel(const char *opt, const char *arg)
3242 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3243 return opt_default("channel", arg);
3246 static int opt_video_standard(const char *opt, const char *arg)
3248 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3249 return opt_default("standard", arg);
3252 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3254 audio_codec_name = arg;
3255 return parse_option(o, "codec:a", arg, options);
3258 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3260 video_codec_name = arg;
3261 return parse_option(o, "codec:v", arg, options);
3264 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3266 subtitle_codec_name = arg;
3267 return parse_option(o, "codec:s", arg, options);
3270 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3272 return parse_option(o, "codec:d", arg, options);
3275 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3277 StreamMap *m = NULL;
3278 int i, negative = 0, file_idx;
3279 int sync_file_idx = -1, sync_stream_idx = 0;
3287 map = av_strdup(arg);
3289 /* parse sync stream first, just pick first matching stream */
3290 if (sync = strchr(map, ',')) {
3292 sync_file_idx = strtol(sync + 1, &sync, 0);
3293 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3294 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3299 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3300 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3301 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3302 sync_stream_idx = i;
3305 if (i == input_files[sync_file_idx].nb_streams) {
3306 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3307 "match any streams.\n", arg);
3313 file_idx = strtol(map, &p, 0);
3314 if (file_idx >= nb_input_files || file_idx < 0) {
3315 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3319 /* disable some already defined maps */
3320 for (i = 0; i < o->nb_stream_maps; i++) {
3321 m = &o->stream_maps[i];
3322 if (file_idx == m->file_index &&
3323 check_stream_specifier(input_files[m->file_index].ctx,
3324 input_files[m->file_index].ctx->streams[m->stream_index],
3325 *p == ':' ? p + 1 : p) > 0)
3329 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3330 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3331 *p == ':' ? p + 1 : p) <= 0)
3333 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3334 &o->nb_stream_maps, o->nb_stream_maps + 1);
3335 m = &o->stream_maps[o->nb_stream_maps - 1];
3337 m->file_index = file_idx;
3338 m->stream_index = i;
3340 if (sync_file_idx >= 0) {
3341 m->sync_file_index = sync_file_idx;
3342 m->sync_stream_index = sync_stream_idx;
3344 m->sync_file_index = file_idx;
3345 m->sync_stream_index = i;
3350 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3358 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3360 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3361 &o->nb_attachments, o->nb_attachments + 1);
3362 o->attachments[o->nb_attachments - 1] = arg;
3366 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3372 o->audio_channel_maps =
3373 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3374 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3375 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3377 /* muted channel syntax */
3378 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3379 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3380 m->file_idx = m->stream_idx = -1;
3382 m->ofile_idx = m->ostream_idx = -1;
3387 n = sscanf(arg, "%d.%d.%d:%d.%d",
3388 &m->file_idx, &m->stream_idx, &m->channel_idx,
3389 &m->ofile_idx, &m->ostream_idx);
3391 if (n != 3 && n != 5) {
3392 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3393 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3397 if (n != 5) // only file.stream.channel specified
3398 m->ofile_idx = m->ostream_idx = -1;
3401 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3402 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3406 if (m->stream_idx < 0 ||
3407 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3408 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3409 m->file_idx, m->stream_idx);
3412 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3413 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3414 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3415 m->file_idx, m->stream_idx);
3418 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3419 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3420 m->file_idx, m->stream_idx, m->channel_idx);
3427 * Parse a metadata specifier in arg.
3428 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3429 * @param index for type c/p, chapter/program index is written here
3430 * @param stream_spec for type s, the stream specifier is written here
3432 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3440 if (*(++arg) && *arg != ':') {
3441 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3444 *stream_spec = *arg == ':' ? arg + 1 : "";
3448 if (*(++arg) == ':')
3449 *index = strtol(++arg, NULL, 0);
3452 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3459 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3461 AVDictionary **meta_in = NULL;
3462 AVDictionary **meta_out = NULL;
3464 char type_in, type_out;
3465 const char *istream_spec = NULL, *ostream_spec = NULL;
3466 int idx_in = 0, idx_out = 0;
3468 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3469 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3472 if (type_out == 'g' || !*outspec)
3473 o->metadata_global_manual = 1;
3474 if (type_out == 's' || !*outspec)
3475 o->metadata_streams_manual = 1;
3476 if (type_out == 'c' || !*outspec)
3477 o->metadata_chapters_manual = 1;
3481 if (type_in == 'g' || type_out == 'g')
3482 o->metadata_global_manual = 1;
3483 if (type_in == 's' || type_out == 's')
3484 o->metadata_streams_manual = 1;
3485 if (type_in == 'c' || type_out == 'c')
3486 o->metadata_chapters_manual = 1;
3488 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3489 if ((index) < 0 || (index) >= (nb_elems)) {\
3490 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3495 #define SET_DICT(type, meta, context, index)\
3498 meta = &context->metadata;\
3501 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3502 meta = &context->chapters[index]->metadata;\
3505 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3506 meta = &context->programs[index]->metadata;\
3510 SET_DICT(type_in, meta_in, ic, idx_in);
3511 SET_DICT(type_out, meta_out, oc, idx_out);
3513 /* for input streams choose first matching stream */
3514 if (type_in == 's') {
3515 for (i = 0; i < ic->nb_streams; i++) {
3516 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3517 meta_in = &ic->streams[i]->metadata;
3523 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3528 if (type_out == 's') {
3529 for (i = 0; i < oc->nb_streams; i++) {
3530 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3531 meta_out = &oc->streams[i]->metadata;
3532 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3537 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3542 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3545 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3546 struct tm time = *gmtime((time_t*)&recording_timestamp);
3547 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3548 parse_option(o, "metadata", buf, options);
3550 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3551 "tag instead.\n", opt);
3555 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3557 const char *codec_string = encoder ? "encoder" : "decoder";
3561 avcodec_find_encoder_by_name(name) :
3562 avcodec_find_decoder_by_name(name);
3564 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3567 if (codec->type != type) {
3568 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3574 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3576 char *codec_name = NULL;
3578 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3580 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3581 st->codec->codec_id = codec->id;
3584 return avcodec_find_decoder(st->codec->codec_id);
3588 * Add all the streams from the given input file to the global
3589 * list of input streams.
3591 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3594 char *next, *codec_tag = NULL;
3596 for (i = 0; i < ic->nb_streams; i++) {
3597 AVStream *st = ic->streams[i];
3598 AVCodecContext *dec = st->codec;
3601 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3602 ist = &input_streams[nb_input_streams - 1];
3604 ist->file_index = nb_input_files;
3606 st->discard = AVDISCARD_ALL;
3607 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3609 ist->ts_scale = 1.0;
3610 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3612 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3614 uint32_t tag = strtol(codec_tag, &next, 0);
3616 tag = AV_RL32(codec_tag);
3617 st->codec->codec_tag = tag;
3620 ist->dec = choose_decoder(o, ic, st);
3622 switch (dec->codec_type) {
3623 case AVMEDIA_TYPE_VIDEO:
3625 ist->dec = avcodec_find_decoder(dec->codec_id);
3627 dec->flags |= CODEC_FLAG_EMU_EDGE;
3631 case AVMEDIA_TYPE_AUDIO:
3632 case AVMEDIA_TYPE_DATA:
3633 case AVMEDIA_TYPE_SUBTITLE:
3635 ist->dec = avcodec_find_decoder(dec->codec_id);
3637 case AVMEDIA_TYPE_ATTACHMENT:
3638 case AVMEDIA_TYPE_UNKNOWN:
3646 static void assert_file_overwrite(const char *filename)
3648 if ((!file_overwrite || no_file_overwrite) &&
3649 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3650 av_strstart(filename, "file:", NULL))) {
3651 if (avio_check(filename, 0) == 0) {
3652 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3653 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3656 signal(SIGINT, SIG_DFL);
3657 if (!read_yesno()) {
3658 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
3664 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3671 static void dump_attachment(AVStream *st, const char *filename)
3674 AVIOContext *out = NULL;
3675 AVDictionaryEntry *e;
3677 if (!st->codec->extradata_size) {
3678 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3679 nb_input_files - 1, st->index);
3682 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3683 filename = e->value;
3685 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3686 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3690 assert_file_overwrite(filename);
3692 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3693 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3698 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3703 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3705 AVFormatContext *ic;
3706 AVInputFormat *file_iformat = NULL;
3710 AVDictionary **opts;
3711 int orig_nb_streams; // number of streams before avformat_find_stream_info
3714 if (!(file_iformat = av_find_input_format(o->format))) {
3715 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3720 if (!strcmp(filename, "-"))
3723 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3724 !strcmp(filename, "/dev/stdin");
3726 /* get default parameters from command line */
3727 ic = avformat_alloc_context();
3729 print_error(filename, AVERROR(ENOMEM));
3732 if (o->nb_audio_sample_rate) {
3733 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3734 av_dict_set(&format_opts, "sample_rate", buf, 0);
3736 if (o->nb_audio_channels) {
3737 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3738 av_dict_set(&format_opts, "channels", buf, 0);
3740 if (o->nb_frame_rates) {
3741 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3743 if (o->nb_frame_sizes) {
3744 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3746 if (o->nb_frame_pix_fmts)
3747 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3749 ic->video_codec_id = video_codec_name ?
3750 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3751 ic->audio_codec_id = audio_codec_name ?
3752 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3753 ic->subtitle_codec_id= subtitle_codec_name ?
3754 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3755 ic->flags |= AVFMT_FLAG_NONBLOCK;
3756 ic->interrupt_callback = int_cb;
3758 /* open the input file with generic avformat function */
3759 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3761 print_error(filename, err);
3764 assert_avoptions(format_opts);
3766 /* apply forced codec ids */
3767 for (i = 0; i < ic->nb_streams; i++)
3768 choose_decoder(o, ic, ic->streams[i]);
3770 /* Set AVCodecContext options for avformat_find_stream_info */
3771 opts = setup_find_stream_info_opts(ic, codec_opts);
3772 orig_nb_streams = ic->nb_streams;
3774 /* If not enough info to get the stream parameters, we decode the
3775 first frames to get it. (used in mpeg case for example) */
3776 ret = avformat_find_stream_info(ic, opts);
3778 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3779 avformat_close_input(&ic);
3783 timestamp = o->start_time;
3784 /* add the stream start time */
3785 if (ic->start_time != AV_NOPTS_VALUE)
3786 timestamp += ic->start_time;
3788 /* if seeking requested, we execute it */
3789 if (o->start_time != 0) {
3790 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3792 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3793 filename, (double)timestamp / AV_TIME_BASE);
3797 /* update the current parameters so that they match the one of the input stream */
3798 add_input_streams(o, ic);
3800 /* dump the file content */
3801 av_dump_format(ic, nb_input_files, filename, 0);
3803 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3804 input_files[nb_input_files - 1].ctx = ic;
3805 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3806 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3807 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3808 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3810 for (i = 0; i < o->nb_dump_attachment; i++) {
3813 for (j = 0; j < ic->nb_streams; j++) {
3814 AVStream *st = ic->streams[j];
3816 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3817 dump_attachment(st, o->dump_attachment[i].u.str);
3821 for (i = 0; i < orig_nb_streams; i++)
3822 av_dict_free(&opts[i]);
3825 reset_options(o, 1);
3829 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3834 for (p = kf; *p; p++)
3837 ost->forced_kf_count = n;
3838 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3839 if (!ost->forced_kf_pts) {
3840 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3843 for (i = 0; i < n; i++) {
3844 p = i ? strchr(p, ',') + 1 : kf;
3845 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3849 static uint8_t *get_line(AVIOContext *s)
3855 if (avio_open_dyn_buf(&line) < 0) {
3856 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3860 while ((c = avio_r8(s)) && c != '\n')
3863 avio_close_dyn_buf(line, &buf);
3868 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3871 char filename[1000];
3872 const char *base[3] = { getenv("AVCONV_DATADIR"),
3877 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3881 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3882 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3883 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3886 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3887 i != 1 ? "" : "/.avconv", preset_name);
3888 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3894 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3896 char *codec_name = NULL;
3898 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3900 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3901 NULL, ost->st->codec->codec_type);
3902 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3903 } else if (!strcmp(codec_name, "copy"))
3904 ost->stream_copy = 1;
3906 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3907 ost->st->codec->codec_id = ost->enc->id;
3911 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3914 AVStream *st = avformat_new_stream(oc, NULL);
3915 int idx = oc->nb_streams - 1, ret = 0;
3916 char *bsf = NULL, *next, *codec_tag = NULL;
3917 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3919 char *buf = NULL, *arg = NULL, *preset = NULL;
3920 AVIOContext *s = NULL;
3923 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3927 if (oc->nb_streams - 1 < o->nb_streamid_map)
3928 st->id = o->streamid_map[oc->nb_streams - 1];
3930 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3931 nb_output_streams + 1);
3932 ost = &output_streams[nb_output_streams - 1];
3933 ost->file_index = nb_output_files;
3936 st->codec->codec_type = type;
3937 choose_encoder(o, oc, ost);
3939 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3942 avcodec_get_context_defaults3(st->codec, ost->enc);
3943 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3945 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3946 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3949 if (!buf[0] || buf[0] == '#') {
3953 if (!(arg = strchr(buf, '='))) {
3954 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3958 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3960 } while (!s->eof_reached);
3964 av_log(NULL, AV_LOG_FATAL,
3965 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3966 preset, ost->file_index, ost->index);
3970 ost->max_frames = INT64_MAX;
3971 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3973 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3975 if (next = strchr(bsf, ','))
3977 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3978 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3982 bsfc_prev->next = bsfc;
3984 ost->bitstream_filters = bsfc;
3990 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3992 uint32_t tag = strtol(codec_tag, &next, 0);
3994 tag = AV_RL32(codec_tag);
3995 st->codec->codec_tag = tag;
3998 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3999 if (qscale >= 0 || same_quant) {
4000 st->codec->flags |= CODEC_FLAG_QSCALE;
4001 st->codec->global_quality = FF_QP2LAMBDA * qscale;
4004 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
4005 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
4007 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
4011 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
4014 const char *p = str;
4021 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4028 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
4032 AVCodecContext *video_enc;
4034 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
4036 video_enc = st->codec;
4038 if (!ost->stream_copy) {
4039 const char *p = NULL;
4040 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
4041 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
4042 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
4045 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
4046 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
4047 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
4051 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
4052 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
4053 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
4057 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
4058 if (frame_aspect_ratio) {
4060 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
4061 q.num <= 0 || q.den <= 0) {
4062 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
4065 ost->frame_aspect_ratio = av_q2d(q);
4068 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4069 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4070 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4071 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4074 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4077 video_enc->gop_size = 0;
4078 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4080 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4081 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4084 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4086 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4088 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4089 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4092 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4095 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4096 for (i = 0; p; i++) {
4098 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4100 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4103 /* FIXME realloc failure */
4104 video_enc->rc_override =
4105 av_realloc(video_enc->rc_override,
4106 sizeof(RcOverride) * (i + 1));
4107 video_enc->rc_override[i].start_frame = start;
4108 video_enc->rc_override[i].end_frame = end;
4110 video_enc->rc_override[i].qscale = q;
4111 video_enc->rc_override[i].quality_factor = 1.0;
4114 video_enc->rc_override[i].qscale = 0;
4115 video_enc->rc_override[i].quality_factor = -q/100.0;
4120 video_enc->rc_override_count = i;
4121 if (!video_enc->rc_initial_buffer_occupancy)
4122 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4123 video_enc->intra_dc_precision = intra_dc_precision - 8;
4126 video_enc->flags|= CODEC_FLAG_PSNR;
4131 video_enc->flags |= CODEC_FLAG_PASS1;
4134 video_enc->flags |= CODEC_FLAG_PASS2;
4138 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4139 if (forced_key_frames)
4140 parse_forced_key_frames(forced_key_frames, ost);
4142 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4144 ost->top_field_first = -1;
4145 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4148 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4150 ost->avfilter = av_strdup(filters);
4153 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4159 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4164 AVCodecContext *audio_enc;
4166 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4169 audio_enc = st->codec;
4170 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4172 if (!ost->stream_copy) {
4173 char *sample_fmt = NULL;
4175 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4177 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4179 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4180 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4184 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4186 ost->rematrix_volume=1.0;
4187 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4190 /* check for channel mapping for this audio stream */
4191 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4192 AudioChannelMap *map = &o->audio_channel_maps[n];
4193 InputStream *ist = &input_streams[ost->source_index];
4194 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4195 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4196 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4197 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4198 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4200 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4201 ost->file_index, ost->st->index);
4208 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4212 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4213 if (!ost->stream_copy) {
4214 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4221 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4223 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4224 ost->stream_copy = 1;
4228 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4232 AVCodecContext *subtitle_enc;
4234 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4236 subtitle_enc = st->codec;
4238 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4243 /* arg format is "output-stream-index:streamid-value". */
4244 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4250 av_strlcpy(idx_str, arg, sizeof(idx_str));
4251 p = strchr(idx_str, ':');
4253 av_log(NULL, AV_LOG_FATAL,
4254 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4259 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4260 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4261 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4265 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4267 AVFormatContext *is = ifile->ctx;
4268 AVFormatContext *os = ofile->ctx;
4271 for (i = 0; i < is->nb_chapters; i++) {
4272 AVChapter *in_ch = is->chapters[i], *out_ch;
4273 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4274 AV_TIME_BASE_Q, in_ch->time_base);
4275 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4276 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4279 if (in_ch->end < ts_off)
4281 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4284 out_ch = av_mallocz(sizeof(AVChapter));
4286 return AVERROR(ENOMEM);
4288 out_ch->id = in_ch->id;
4289 out_ch->time_base = in_ch->time_base;
4290 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4291 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4294 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4297 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4299 return AVERROR(ENOMEM);
4300 os->chapters[os->nb_chapters - 1] = out_ch;
4305 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4308 AVFormatContext *ic = avformat_alloc_context();
4310 ic->interrupt_callback = int_cb;
4311 err = avformat_open_input(&ic, filename, NULL, NULL);
4314 /* copy stream format */
4315 for(i=0;i<ic->nb_streams;i++) {
4319 AVCodecContext *avctx;
4321 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4322 ost = new_output_stream(o, s, codec->type);
4327 // FIXME: a more elegant solution is needed
4328 memcpy(st, ic->streams[i], sizeof(AVStream));
4330 st->info = av_malloc(sizeof(*st->info));
4331 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4333 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4335 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4336 choose_sample_fmt(st, codec);
4337 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4338 choose_pixel_fmt(st, codec);
4341 avformat_close_input(&ic);
4345 static void opt_output_file(void *optctx, const char *filename)
4347 OptionsContext *o = optctx;
4348 AVFormatContext *oc;
4350 AVOutputFormat *file_oformat;
4354 if (!strcmp(filename, "-"))
4357 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4359 print_error(filename, err);
4362 file_oformat= oc->oformat;
4363 oc->interrupt_callback = int_cb;
4365 if (!strcmp(file_oformat->name, "ffm") &&
4366 av_strstart(filename, "http:", NULL)) {
4368 /* special case for files sent to ffserver: we get the stream
4369 parameters from ffserver */
4370 int err = read_ffserver_streams(o, oc, filename);
4372 print_error(filename, err);
4375 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4376 ost = &output_streams[j];
4377 for (i = 0; i < nb_input_streams; i++) {
4378 ist = &input_streams[i];
4379 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4381 ost->source_index= i;
4383 ist->st->discard = AVDISCARD_NONE;
4388 av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
4392 } else if (!o->nb_stream_maps) {
4393 /* pick the "best" stream of each type */
4394 #define NEW_STREAM(type, index)\
4396 ost = new_ ## type ## _stream(o, oc);\
4397 ost->source_index = index;\
4398 ost->sync_ist = &input_streams[index];\
4399 input_streams[index].discard = 0;\
4400 input_streams[index].st->discard = AVDISCARD_NONE;\
4403 /* video: highest resolution */
4404 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4405 int area = 0, idx = -1;
4406 for (i = 0; i < nb_input_streams; i++) {
4407 ist = &input_streams[i];
4408 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4409 ist->st->codec->width * ist->st->codec->height > area) {
4410 area = ist->st->codec->width * ist->st->codec->height;
4414 NEW_STREAM(video, idx);
4417 /* audio: most channels */
4418 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4419 int channels = 0, idx = -1;
4420 for (i = 0; i < nb_input_streams; i++) {
4421 ist = &input_streams[i];
4422 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4423 ist->st->codec->channels > channels) {
4424 channels = ist->st->codec->channels;
4428 NEW_STREAM(audio, idx);
4431 /* subtitles: pick first */
4432 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4433 for (i = 0; i < nb_input_streams; i++)
4434 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4435 NEW_STREAM(subtitle, i);
4439 /* do something with data? */
4441 for (i = 0; i < o->nb_stream_maps; i++) {
4442 StreamMap *map = &o->stream_maps[i];
4447 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4448 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4450 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4452 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4454 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4457 switch (ist->st->codec->codec_type) {
4458 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4459 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4460 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4461 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4462 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4464 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4465 map->file_index, map->stream_index);
4469 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4470 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4471 map->sync_stream_index];
4473 ist->st->discard = AVDISCARD_NONE;
4478 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
4479 AVDictionaryEntry *e;
4480 ost = &output_streams[i];
4482 if ( ost->stream_copy
4483 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
4484 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
4485 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
4489 /* handle attached files */
4490 for (i = 0; i < o->nb_attachments; i++) {
4492 uint8_t *attachment;
4496 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4497 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4501 if ((len = avio_size(pb)) <= 0) {
4502 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4506 if (!(attachment = av_malloc(len))) {
4507 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4511 avio_read(pb, attachment, len);
4513 ost = new_attachment_stream(o, oc);
4514 ost->stream_copy = 0;
4515 ost->source_index = -1;
4516 ost->attachment_filename = o->attachments[i];
4517 ost->st->codec->extradata = attachment;
4518 ost->st->codec->extradata_size = len;
4520 p = strrchr(o->attachments[i], '/');
4521 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4525 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4526 output_files[nb_output_files - 1].ctx = oc;
4527 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4528 output_files[nb_output_files - 1].recording_time = o->recording_time;
4529 if (o->recording_time != INT64_MAX)
4530 oc->duration = o->recording_time;
4531 output_files[nb_output_files - 1].start_time = o->start_time;
4532 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4533 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4535 /* check filename in case of an image number is expected */
4536 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4537 if (!av_filename_number_test(oc->filename)) {
4538 print_error(oc->filename, AVERROR(EINVAL));
4543 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4544 /* test if it already exists to avoid losing precious files */
4545 assert_file_overwrite(filename);
4548 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4549 &oc->interrupt_callback,
4550 &output_files[nb_output_files - 1].opts)) < 0) {
4551 print_error(filename, err);
4556 if (o->mux_preload) {
4558 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4559 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4561 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4564 for (i = 0; i < o->nb_metadata_map; i++) {
4566 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4568 if (in_file_index >= nb_input_files) {
4569 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4572 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index].ctx : NULL, o);
4576 if (o->chapters_input_file >= nb_input_files) {
4577 if (o->chapters_input_file == INT_MAX) {
4578 /* copy chapters from the first input file that has them*/
4579 o->chapters_input_file = -1;
4580 for (i = 0; i < nb_input_files; i++)
4581 if (input_files[i].ctx->nb_chapters) {
4582 o->chapters_input_file = i;
4586 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4587 o->chapters_input_file);
4591 if (o->chapters_input_file >= 0)
4592 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4593 !o->metadata_chapters_manual);
4595 /* copy global metadata by default */
4596 if (!o->metadata_global_manual && nb_input_files){
4597 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4598 AV_DICT_DONT_OVERWRITE);
4599 if(o->recording_time != INT64_MAX)
4600 av_dict_set(&oc->metadata, "duration", NULL, 0);
4602 if (!o->metadata_streams_manual)
4603 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4605 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4607 ist = &input_streams[output_streams[i].source_index];
4608 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4611 /* process manually set metadata */
4612 for (i = 0; i < o->nb_metadata; i++) {
4615 const char *stream_spec;
4616 int index = 0, j, ret = 0;
4618 val = strchr(o->metadata[i].u.str, '=');
4620 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4621 o->metadata[i].u.str);
4626 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4628 for (j = 0; j < oc->nb_streams; j++) {
4629 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4630 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4634 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4642 if (index < 0 || index >= oc->nb_chapters) {
4643 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4646 m = &oc->chapters[index]->metadata;
4649 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4652 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4656 reset_options(o, 0);
4659 /* same option as mencoder */
4660 static int opt_pass(const char *opt, const char *arg)
4662 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4666 static int64_t getutime(void)
4669 struct rusage rusage;
4671 getrusage(RUSAGE_SELF, &rusage);
4672 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4673 #elif HAVE_GETPROCESSTIMES
4675 FILETIME c, e, k, u;
4676 proc = GetCurrentProcess();
4677 GetProcessTimes(proc, &c, &e, &k, &u);
4678 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4680 return av_gettime();
4684 static int64_t getmaxrss(void)
4686 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4687 struct rusage rusage;
4688 getrusage(RUSAGE_SELF, &rusage);
4689 return (int64_t)rusage.ru_maxrss * 1024;
4690 #elif HAVE_GETPROCESSMEMORYINFO
4692 PROCESS_MEMORY_COUNTERS memcounters;
4693 proc = GetCurrentProcess();
4694 memcounters.cb = sizeof(memcounters);
4695 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4696 return memcounters.PeakPagefileUsage;
4702 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4704 return parse_option(o, "q:a", arg, options);
4707 static void show_usage(void)
4709 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4710 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4711 av_log(NULL, AV_LOG_INFO, "\n");
4714 static int opt_help(const char *opt, const char *arg)
4716 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4717 av_log_set_callback(log_callback_help);
4719 show_help_options(options, "Main options:\n",
4720 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4721 show_help_options(options, "\nAdvanced options:\n",
4722 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4724 show_help_options(options, "\nVideo options:\n",
4725 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4727 show_help_options(options, "\nAdvanced Video options:\n",
4728 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4729 OPT_VIDEO | OPT_EXPERT);
4730 show_help_options(options, "\nAudio options:\n",
4731 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4733 show_help_options(options, "\nAdvanced Audio options:\n",
4734 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4735 OPT_AUDIO | OPT_EXPERT);
4736 show_help_options(options, "\nSubtitle options:\n",
4737 OPT_SUBTITLE | OPT_GRAB,
4739 show_help_options(options, "\nAudio/Video grab options:\n",
4743 show_help_children(avcodec_get_class(), flags);
4744 show_help_children(avformat_get_class(), flags);
4745 show_help_children(sws_get_class(), flags);
4750 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4752 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4753 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4755 if (!strncmp(arg, "pal-", 4)) {
4758 } else if (!strncmp(arg, "ntsc-", 5)) {
4761 } else if (!strncmp(arg, "film-", 5)) {
4765 /* Try to determine PAL/NTSC by peeking in the input files */
4766 if (nb_input_files) {
4768 for (j = 0; j < nb_input_files; j++) {
4769 for (i = 0; i < input_files[j].nb_streams; i++) {
4770 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4771 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4773 fr = c->time_base.den * 1000 / c->time_base.num;
4777 } else if ((fr == 29970) || (fr == 23976)) {
4782 if (norm != UNKNOWN)
4786 if (norm != UNKNOWN)
4787 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4790 if (norm == UNKNOWN) {
4791 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4792 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4793 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4797 if (!strcmp(arg, "vcd")) {
4798 opt_video_codec(o, "c:v", "mpeg1video");
4799 opt_audio_codec(o, "c:a", "mp2");
4800 parse_option(o, "f", "vcd", options);
4802 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4803 parse_option(o, "r", frame_rates[norm], options);
4804 opt_default("g", norm == PAL ? "15" : "18");
4806 opt_default("b:v", "1150000");
4807 opt_default("maxrate", "1150000");
4808 opt_default("minrate", "1150000");
4809 opt_default("bufsize", "327680"); // 40*1024*8;
4811 opt_default("b:a", "224000");
4812 parse_option(o, "ar", "44100", options);
4813 parse_option(o, "ac", "2", options);
4815 opt_default("packetsize", "2324");
4816 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4818 /* We have to offset the PTS, so that it is consistent with the SCR.
4819 SCR starts at 36000, but the first two packs contain only padding
4820 and the first pack from the other stream, respectively, may also have
4821 been written before.
4822 So the real data starts at SCR 36000+3*1200. */
4823 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4824 } else if (!strcmp(arg, "svcd")) {
4826 opt_video_codec(o, "c:v", "mpeg2video");
4827 opt_audio_codec(o, "c:a", "mp2");
4828 parse_option(o, "f", "svcd", options);
4830 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4831 parse_option(o, "r", frame_rates[norm], options);
4832 parse_option(o, "pix_fmt", "yuv420p", options);
4833 opt_default("g", norm == PAL ? "15" : "18");
4835 opt_default("b:v", "2040000");
4836 opt_default("maxrate", "2516000");
4837 opt_default("minrate", "0"); // 1145000;
4838 opt_default("bufsize", "1835008"); // 224*1024*8;
4839 opt_default("scan_offset", "1");
4842 opt_default("b:a", "224000");
4843 parse_option(o, "ar", "44100", options);
4845 opt_default("packetsize", "2324");
4847 } else if (!strcmp(arg, "dvd")) {
4849 opt_video_codec(o, "c:v", "mpeg2video");
4850 opt_audio_codec(o, "c:a", "ac3");
4851 parse_option(o, "f", "dvd", options);
4853 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4854 parse_option(o, "r", frame_rates[norm], options);
4855 parse_option(o, "pix_fmt", "yuv420p", options);
4856 opt_default("g", norm == PAL ? "15" : "18");
4858 opt_default("b:v", "6000000");
4859 opt_default("maxrate", "9000000");
4860 opt_default("minrate", "0"); // 1500000;
4861 opt_default("bufsize", "1835008"); // 224*1024*8;
4863 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4864 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4866 opt_default("b:a", "448000");
4867 parse_option(o, "ar", "48000", options);
4869 } else if (!strncmp(arg, "dv", 2)) {
4871 parse_option(o, "f", "dv", options);
4873 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4874 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4875 norm == PAL ? "yuv420p" : "yuv411p", options);
4876 parse_option(o, "r", frame_rates[norm], options);
4878 parse_option(o, "ar", "48000", options);
4879 parse_option(o, "ac", "2", options);
4882 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4883 return AVERROR(EINVAL);
4888 static int opt_vstats_file(const char *opt, const char *arg)
4890 av_free (vstats_filename);
4891 vstats_filename = av_strdup (arg);
4895 static int opt_vstats(const char *opt, const char *arg)
4898 time_t today2 = time(NULL);
4899 struct tm *today = localtime(&today2);
4901 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4903 return opt_vstats_file(opt, filename);
4906 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4908 return parse_option(o, "frames:v", arg, options);
4911 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4913 return parse_option(o, "frames:a", arg, options);
4916 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4918 return parse_option(o, "frames:d", arg, options);
4921 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4924 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4925 const char *codec_name = *opt == 'v' ? video_codec_name :
4926 *opt == 'a' ? audio_codec_name :
4927 subtitle_codec_name;
4929 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4930 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4931 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4933 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4938 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4939 if(line[0] == '#' && !e)
4941 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4943 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4946 if(!strcmp(tmp, "acodec")){
4947 opt_audio_codec(o, tmp, tmp2);
4948 }else if(!strcmp(tmp, "vcodec")){
4949 opt_video_codec(o, tmp, tmp2);
4950 }else if(!strcmp(tmp, "scodec")){
4951 opt_subtitle_codec(o, tmp, tmp2);
4952 }else if(!strcmp(tmp, "dcodec")){
4953 opt_data_codec(o, tmp, tmp2);
4954 }else if(opt_default(tmp, tmp2) < 0){
4955 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4965 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4969 static int opt_passlogfile(const char *opt, const char *arg)
4971 pass_logfilename_prefix = arg;
4972 #if CONFIG_LIBX264_ENCODER
4973 return opt_default(opt, arg);
4979 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4981 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4982 int ret = parse_option(o, s, arg, options);
4987 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4989 if(!strcmp(opt, "b")){
4990 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4991 return parse_option(o, "b:v", arg, options);
4993 return opt_default(opt, arg);
4996 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
5000 if(!strcmp(opt, "qscale")){
5001 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
5002 return parse_option(o, "q:v", arg, options);
5004 s = av_asprintf("q%s", opt + 6);
5005 ret = parse_option(o, s, arg, options);
5010 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
5012 return parse_option(o, "filter:v", arg, options);
5015 static int opt_vsync(const char *opt, const char *arg)
5017 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
5018 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
5019 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
5020 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
5022 if (video_sync_method == VSYNC_AUTO)
5023 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
5027 static int opt_deinterlace(const char *opt, const char *arg)
5029 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
5034 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
5036 int idx = locate_option(argc, argv, options, "cpuflags");
5037 if (idx && argv[idx + 1])
5038 opt_cpuflags("cpuflags", argv[idx + 1]);
5041 #define OFFSET(x) offsetof(OptionsContext, x)
5042 static const OptionDef options[] = {
5044 #include "cmdutils_common_opts.h"
5045 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
5046 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
5047 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
5048 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
5049 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5050 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5051 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
5052 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
5053 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
5054 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
5055 "outfile[,metadata]:infile[,metadata]" },
5056 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
5057 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
5058 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
5059 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
5060 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
5061 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
5062 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
5063 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
5064 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
5065 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5066 "add timings for benchmarking" },
5067 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
5068 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
5069 "dump each input packet" },
5070 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
5071 "when dumping packets, also dump the payload" },
5072 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
5073 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
5074 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
5075 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
5076 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5077 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5078 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "mode" },
5079 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5080 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5081 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5082 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5083 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5084 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5085 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5086 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5087 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5089 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5091 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5092 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5093 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5094 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5097 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5098 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5099 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5100 { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
5101 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5102 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
5103 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5104 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5105 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5106 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5107 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5108 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5109 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5110 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5111 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5112 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "deprecated use -g 1"},
5113 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5114 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5115 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5116 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5117 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5118 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5119 "use same quantizer as source (implies VBR)" },
5120 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5121 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5122 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5123 "this option is deprecated, use the yadif filter instead" },
5124 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5125 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5126 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5128 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5130 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5131 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5132 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5133 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5134 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5135 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5136 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5137 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5138 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
5139 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5142 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5143 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5144 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5145 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5146 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5147 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5148 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5149 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5150 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5151 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5153 /* subtitle options */
5154 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5155 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5156 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5159 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5160 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5161 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5164 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5165 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5167 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5168 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5169 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5171 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5172 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5173 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5174 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5175 /* data codec support */
5176 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5177 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5179 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5183 int main(int argc, char **argv)
5185 OptionsContext o = { 0 };
5188 reset_options(&o, 0);
5190 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5191 parse_loglevel(argc, argv, options);
5193 if(argc>1 && !strcmp(argv[1], "-d")){
5195 av_log_set_callback(log_callback_null);
5200 avcodec_register_all();
5202 avdevice_register_all();
5205 avfilter_register_all();
5208 avformat_network_init();
5210 show_banner(argc, argv, options);
5214 parse_cpuflags(argc, argv, options);
5217 parse_options(&o, argc, argv, options, opt_output_file);
5219 if (nb_output_files <= 0 && nb_input_files == 0) {
5221 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5225 /* file converter / grab */
5226 if (nb_output_files <= 0) {
5227 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5231 if (nb_input_files == 0) {
5232 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5237 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5239 ti = getutime() - ti;
5241 int maxrss = getmaxrss() / 1024;
5242 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);