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) {
956 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
958 st->codec->sample_rate = best;
962 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
964 if (codec && codec->pix_fmts) {
965 const enum PixelFormat *p = codec->pix_fmts;
966 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
967 enum PixelFormat best= PIX_FMT_NONE;
968 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
969 if (st->codec->codec_id == CODEC_ID_MJPEG) {
970 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
971 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
972 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
973 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
976 for (; *p != PIX_FMT_NONE; p++) {
977 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
978 if (*p == st->codec->pix_fmt)
981 if (*p == PIX_FMT_NONE) {
982 if (st->codec->pix_fmt != PIX_FMT_NONE)
983 av_log(NULL, AV_LOG_WARNING,
984 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
985 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
987 av_pix_fmt_descriptors[best].name);
988 st->codec->pix_fmt = best;
994 get_sync_ipts(const OutputStream *ost, int64_t pts)
996 OutputFile *of = &output_files[ost->file_index];
997 return (double)(pts - of->start_time) / AV_TIME_BASE;
1000 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
1002 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1003 AVCodecContext *avctx = ost->st->codec;
1006 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
1007 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
1008 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
1011 * Audio encoders may split the packets -- #frames in != #packets out.
1012 * But there is no reordering, so we can limit the number of output packets
1013 * by simply dropping them here.
1014 * Counting encoded video frames needs to be done separately because of
1015 * reordering, see do_video_out()
1017 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1018 if (ost->frame_number >= ost->max_frames) {
1019 av_free_packet(pkt);
1022 ost->frame_number++;
1026 AVPacket new_pkt = *pkt;
1027 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1028 &new_pkt.data, &new_pkt.size,
1029 pkt->data, pkt->size,
1030 pkt->flags & AV_PKT_FLAG_KEY);
1032 av_free_packet(pkt);
1033 new_pkt.destruct = av_destruct_packet;
1035 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1036 bsfc->filter->name, pkt->stream_index,
1037 avctx->codec ? avctx->codec->name : "copy");
1047 pkt->stream_index = ost->index;
1048 ret = av_interleaved_write_frame(s, pkt);
1050 print_error("av_interleaved_write_frame()", ret);
1055 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1057 int fill_char = 0x00;
1058 if (sample_fmt == AV_SAMPLE_FMT_U8)
1060 memset(buf, fill_char, size);
1063 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1064 const uint8_t *buf, int buf_size)
1066 AVCodecContext *enc = ost->st->codec;
1067 AVFrame *frame = NULL;
1069 int ret, got_packet;
1071 av_init_packet(&pkt);
1076 if (!ost->output_frame) {
1077 ost->output_frame = avcodec_alloc_frame();
1078 if (!ost->output_frame) {
1079 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1083 frame = ost->output_frame;
1084 if (frame->extended_data != frame->data)
1085 av_freep(&frame->extended_data);
1086 avcodec_get_frame_defaults(frame);
1088 frame->nb_samples = buf_size /
1089 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1090 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1091 buf, buf_size, 1)) < 0) {
1092 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1096 frame->pts = ost->sync_opts;
1097 ost->sync_opts += frame->nb_samples;
1101 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1102 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1109 if (pkt.pts != AV_NOPTS_VALUE)
1110 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1111 if (pkt.dts != AV_NOPTS_VALUE)
1112 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1113 if (pkt.duration > 0)
1114 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1116 write_frame(s, &pkt, ost);
1118 audio_size += pkt.size;
1120 av_free_packet(&pkt);
1124 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1125 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1126 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1127 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1133 static int alloc_audio_output_buf(AVCodecContext *dec, AVCodecContext *enc,
1136 int64_t audio_buf_samples;
1139 /* calculate required number of samples to allocate */
1140 audio_buf_samples = ((int64_t)nb_samples * enc->sample_rate + dec->sample_rate) /
1142 audio_buf_samples = 4 * audio_buf_samples + 10000; // safety factors for resampling
1143 audio_buf_samples = FFMAX(audio_buf_samples, enc->frame_size);
1144 if (audio_buf_samples > INT_MAX)
1145 return AVERROR(EINVAL);
1147 audio_buf_size = av_samples_get_buffer_size(NULL, enc->channels,
1149 enc->sample_fmt, 32);
1150 if (audio_buf_size < 0)
1151 return audio_buf_size;
1153 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1155 return AVERROR(ENOMEM);
1160 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1161 InputStream *ist, AVFrame *decoded_frame)
1166 int frame_bytes, resample_changed;
1167 AVCodecContext *enc = ost->st->codec;
1168 AVCodecContext *dec = ist->st->codec;
1169 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1170 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1171 uint8_t *buf[AV_NUM_DATA_POINTERS];
1172 int size = decoded_frame->nb_samples * dec->channels * isize;
1173 int planes = av_sample_fmt_is_planar(dec->sample_fmt) ? dec->channels : 1;
1176 av_assert0(planes <= AV_NUM_DATA_POINTERS);
1178 for(i=0; i<planes; i++)
1179 buf[i]= decoded_frame->data[i];
1181 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples) < 0) {
1182 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
1186 if (enc->channels != dec->channels
1187 || enc->sample_fmt != dec->sample_fmt
1188 || enc->sample_rate!= dec->sample_rate
1190 ost->audio_resample = 1;
1192 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1193 ost->resample_channels != dec->channels ||
1194 ost->resample_sample_rate != dec->sample_rate;
1196 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1197 if (resample_changed) {
1198 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",
1199 ist->file_index, ist->st->index,
1200 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1201 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1202 ost->resample_sample_fmt = dec->sample_fmt;
1203 ost->resample_channels = dec->channels;
1204 ost->resample_sample_rate = dec->sample_rate;
1205 swr_free(&ost->swr);
1207 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1208 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1209 ost->resample_sample_fmt == enc->sample_fmt &&
1210 ost->resample_channels == enc->channels &&
1211 ost->resample_sample_rate == enc->sample_rate) {
1213 ost->audio_resample = 0;
1215 ost->swr = swr_alloc_set_opts(ost->swr,
1216 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1217 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1219 if (ost->audio_channels_mapped)
1220 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1221 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1222 if (ost->audio_channels_mapped) {
1223 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1224 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1226 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1227 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1230 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1231 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1234 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1235 if(ost->swr && swr_init(ost->swr) < 0){
1236 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1237 swr_free(&ost->swr);
1241 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1242 dec->channels, dec->sample_rate,
1243 enc->channels, enc->sample_rate);
1249 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1251 if (audio_sync_method > 0) {
1252 double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
1253 av_fifo_size(ost->fifo) / (enc->channels * osize);
1254 int idelta = delta * dec->sample_rate / enc->sample_rate;
1255 int byte_delta = idelta * isize * dec->channels;
1257 // FIXME resample delay
1258 if (fabs(delta) > 50) {
1259 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1260 if (byte_delta < 0) {
1261 byte_delta = FFMAX(byte_delta, -size);
1263 for (i=0; i<planes; i++)
1264 buf[i] -= byte_delta/planes;
1265 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1266 -byte_delta / (isize * dec->channels));
1271 av_fast_malloc(&async_buf, &allocated_async_buf_size,
1274 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1278 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples + idelta) < 0) {
1279 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
1284 for (i=0; i<planes; i++) {
1285 uint8_t *t = async_buf + i*((byte_delta + size)/planes);
1286 generate_silence(t, dec->sample_fmt, byte_delta/planes);
1287 memcpy(t + byte_delta/planes, buf[i], size/planes);
1291 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1293 } else if (audio_sync_method > 1) {
1294 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1295 av_assert0(ost->audio_resample);
1296 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1297 delta, comp, enc->sample_rate);
1298 // 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));
1299 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1303 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
1304 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1306 if (ost->audio_resample || ost->audio_channels_mapped) {
1308 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, allocated_audio_buf_size / (enc->channels * osize),
1309 buf, size / (dec->channels * isize));
1311 av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
1314 size_out = size_out * enc->channels * osize;
1320 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1322 /* now encode as many frames as possible */
1323 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1324 /* output resampled raw samples */
1325 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1326 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1329 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1331 frame_bytes = enc->frame_size * osize * enc->channels;
1333 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1334 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1335 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1338 encode_audio_frame(s, ost, buftmp, size_out);
1342 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1344 AVCodecContext *dec;
1345 AVPicture *picture2;
1346 AVPicture picture_tmp;
1349 dec = ist->st->codec;
1351 /* deinterlace : must be done before any resize */
1352 if (do_deinterlace) {
1355 /* create temporary picture */
1356 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1357 buf = av_malloc(size);
1361 picture2 = &picture_tmp;
1362 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1364 if (avpicture_deinterlace(picture2, picture,
1365 dec->pix_fmt, dec->width, dec->height) < 0) {
1366 /* if error, do not deinterlace */
1367 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1376 if (picture != picture2)
1377 *picture = *picture2;
1381 static void do_subtitle_out(AVFormatContext *s,
1387 static uint8_t *subtitle_out = NULL;
1388 int subtitle_out_max_size = 1024 * 1024;
1389 int subtitle_out_size, nb, i;
1390 AVCodecContext *enc;
1393 if (pts == AV_NOPTS_VALUE) {
1394 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1400 enc = ost->st->codec;
1402 if (!subtitle_out) {
1403 subtitle_out = av_malloc(subtitle_out_max_size);
1406 /* Note: DVB subtitle need one packet to draw them and one other
1407 packet to clear them */
1408 /* XXX: signal it in the codec context ? */
1409 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1414 for (i = 0; i < nb; i++) {
1415 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1417 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1418 // start_display_time is required to be 0
1419 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1420 sub->end_display_time -= sub->start_display_time;
1421 sub->start_display_time = 0;
1422 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1423 subtitle_out_max_size, sub);
1424 if (subtitle_out_size < 0) {
1425 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1429 av_init_packet(&pkt);
1430 pkt.data = subtitle_out;
1431 pkt.size = subtitle_out_size;
1432 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1433 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1434 /* XXX: the pts correction is handled here. Maybe handling
1435 it in the codec would be better */
1437 pkt.pts += 90 * sub->start_display_time;
1439 pkt.pts += 90 * sub->end_display_time;
1441 write_frame(s, &pkt, ost);
1445 static void do_video_resample(OutputStream *ost,
1447 AVFrame *in_picture,
1448 AVFrame **out_picture)
1451 *out_picture = in_picture;
1453 AVCodecContext *dec = ist->st->codec;
1454 AVCodecContext *enc = ost->st->codec;
1455 int resample_changed = ost->resample_width != in_picture->width ||
1456 ost->resample_height != in_picture->height ||
1457 ost->resample_pix_fmt != in_picture->format;
1459 *out_picture = in_picture;
1460 if (resample_changed) {
1461 av_log(NULL, AV_LOG_INFO,
1462 "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",
1463 ist->file_index, ist->st->index,
1464 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1465 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1466 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1467 ost->resample_width = in_picture->width;
1468 ost->resample_height = in_picture->height;
1469 ost->resample_pix_fmt = in_picture->format;
1472 ost->video_resample = in_picture->width != enc->width ||
1473 in_picture->height != enc->height ||
1474 in_picture->format != enc->pix_fmt;
1476 if (ost->video_resample) {
1477 *out_picture = &ost->resample_frame;
1478 if (!ost->img_resample_ctx || resample_changed) {
1479 /* initialize the destination picture */
1480 if (!ost->resample_frame.data[0]) {
1481 avcodec_get_frame_defaults(&ost->resample_frame);
1482 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1483 enc->width, enc->height)) {
1484 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1488 /* initialize a new scaler context */
1489 sws_freeContext(ost->img_resample_ctx);
1490 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1491 enc->width, enc->height, enc->pix_fmt,
1492 ost->sws_flags, NULL, NULL, NULL);
1493 if (ost->img_resample_ctx == NULL) {
1494 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1498 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1499 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1504 static double psnr(double d)
1506 return -10.0 * log(d) / log(10.0);
1509 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1512 AVCodecContext *enc;
1514 double ti1, bitrate, avg_bitrate;
1516 /* this is executed just the first time do_video_stats is called */
1518 vstats_file = fopen(vstats_filename, "w");
1525 enc = ost->st->codec;
1526 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1527 frame_number = ost->frame_number;
1528 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1529 if (enc->flags&CODEC_FLAG_PSNR)
1530 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1532 fprintf(vstats_file,"f_size= %6d ", frame_size);
1533 /* compute pts value */
1534 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1538 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1539 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1540 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1541 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1542 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1547 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1548 InputStream *ist, AVFrame *in_picture)
1550 int nb_frames, i, ret, format_video_sync;
1551 AVFrame *final_picture;
1552 AVCodecContext *enc;
1553 double sync_ipts, delta;
1554 double duration = 0;
1556 float quality = same_quant ? in_picture->quality
1557 : ost->st->codec->global_quality;
1559 enc = ost->st->codec;
1561 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1562 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1563 if(ist->st->avg_frame_rate.num)
1564 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1566 duration /= av_q2d(enc->time_base);
1569 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1570 delta = sync_ipts - ost->sync_opts + duration;
1572 /* by default, we output a single frame */
1575 format_video_sync = video_sync_method;
1576 if (format_video_sync == VSYNC_AUTO)
1577 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1579 switch (format_video_sync) {
1581 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1584 else if (delta > 1.1)
1585 nb_frames = lrintf(delta);
1590 else if (delta > 0.6)
1591 ost->sync_opts = lrintf(sync_ipts);
1594 case VSYNC_PASSTHROUGH:
1595 ost->sync_opts = lrintf(sync_ipts);
1601 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1602 if (nb_frames == 0) {
1604 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1606 } else if (nb_frames > 1) {
1607 nb_frames_dup += nb_frames - 1;
1608 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1611 do_video_resample(ost, ist, in_picture, &final_picture);
1613 /* duplicates frame if needed */
1614 for (i = 0; i < nb_frames; i++) {
1616 av_init_packet(&pkt);
1620 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1621 enc->codec->id == CODEC_ID_RAWVIDEO) {
1622 /* raw pictures are written as AVPicture structure to
1623 avoid any copies. We support temporarily the older
1625 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1626 enc->coded_frame->top_field_first = in_picture->top_field_first;
1627 pkt.data = (uint8_t *)final_picture;
1628 pkt.size = sizeof(AVPicture);
1629 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1630 pkt.flags |= AV_PKT_FLAG_KEY;
1632 write_frame(s, &pkt, ost);
1635 AVFrame big_picture;
1637 big_picture = *final_picture;
1638 /* better than nothing: use input picture interlaced
1640 big_picture.interlaced_frame = in_picture->interlaced_frame;
1641 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1642 if (ost->top_field_first == -1)
1643 big_picture.top_field_first = in_picture->top_field_first;
1645 big_picture.top_field_first = !!ost->top_field_first;
1648 /* handles same_quant here. This is not correct because it may
1649 not be a global option */
1650 big_picture.quality = quality;
1651 if (!enc->me_threshold)
1652 big_picture.pict_type = 0;
1653 big_picture.pts = ost->sync_opts;
1654 if (ost->forced_kf_index < ost->forced_kf_count &&
1655 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1656 big_picture.pict_type = AV_PICTURE_TYPE_I;
1657 ost->forced_kf_index++;
1659 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1661 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1666 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1667 pkt.pts = ost->sync_opts;
1669 if (pkt.pts != AV_NOPTS_VALUE)
1670 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1671 if (pkt.dts != AV_NOPTS_VALUE)
1672 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1675 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1676 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1677 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1678 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1681 write_frame(s, &pkt, ost);
1682 frame_size = pkt.size;
1683 video_size += pkt.size;
1684 av_free_packet(&pkt);
1686 /* if two pass, output log */
1687 if (ost->logfile && enc->stats_out) {
1688 fprintf(ost->logfile, "%s", enc->stats_out);
1694 * For video, number of frames in == number of packets out.
1695 * But there may be reordering, so we can't throw away frames on encoder
1696 * flush, we need to limit them here, before they go into encoder.
1698 ost->frame_number++;
1700 if (vstats_filename && frame_size)
1701 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1704 static void print_report(OutputFile *output_files,
1705 OutputStream *ost_table, int nb_ostreams,
1706 int is_last_report, int64_t timer_start, int64_t cur_time)
1710 AVFormatContext *oc;
1712 AVCodecContext *enc;
1713 int frame_number, vid, i;
1715 int64_t pts = INT64_MAX;
1716 static int64_t last_time = -1;
1717 static int qp_histogram[52];
1718 int hours, mins, secs, us;
1720 if (!print_stats && !is_last_report)
1723 if (!is_last_report) {
1724 if (last_time == -1) {
1725 last_time = cur_time;
1728 if ((cur_time - last_time) < 500000)
1730 last_time = cur_time;
1734 oc = output_files[0].ctx;
1736 total_size = avio_size(oc->pb);
1737 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1738 total_size = avio_tell(oc->pb);
1745 for (i = 0; i < nb_ostreams; i++) {
1747 ost = &ost_table[i];
1748 enc = ost->st->codec;
1749 if (!ost->stream_copy && enc->coded_frame)
1750 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1751 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1752 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1754 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1755 float fps, t = (cur_time-timer_start) / 1000000.0;
1757 frame_number = ost->frame_number;
1758 fps = t > 1 ? frame_number / t : 0;
1759 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1760 frame_number, fps < 9.95, fps, q);
1762 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1766 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1768 for (j = 0; j < 32; j++)
1769 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1771 if (enc->flags&CODEC_FLAG_PSNR) {
1773 double error, error_sum = 0;
1774 double scale, scale_sum = 0;
1775 char type[3] = { 'Y','U','V' };
1776 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1777 for (j = 0; j < 3; j++) {
1778 if (is_last_report) {
1779 error = enc->error[j];
1780 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1782 error = enc->coded_frame->error[j];
1783 scale = enc->width * enc->height * 255.0 * 255.0;
1789 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1791 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1795 /* compute min output value */
1796 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1797 ost->st->time_base, AV_TIME_BASE_Q));
1800 secs = pts / AV_TIME_BASE;
1801 us = pts % AV_TIME_BASE;
1807 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1809 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1810 "size=%8.0fkB time=", total_size / 1024.0);
1811 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1812 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1813 (100 * us) / AV_TIME_BASE);
1814 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1815 "bitrate=%6.1fkbits/s", bitrate);
1817 if (nb_frames_dup || nb_frames_drop)
1818 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1819 nb_frames_dup, nb_frames_drop);
1821 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1825 if (is_last_report) {
1826 int64_t raw= audio_size + video_size + extra_size;
1827 av_log(NULL, AV_LOG_INFO, "\n");
1828 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1829 video_size / 1024.0,
1830 audio_size / 1024.0,
1831 extra_size / 1024.0,
1832 100.0 * (total_size - raw) / raw
1834 if(video_size + audio_size + extra_size == 0){
1835 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1840 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1844 for (i = 0; i < nb_ostreams; i++) {
1845 OutputStream *ost = &ost_table[i];
1846 AVCodecContext *enc = ost->st->codec;
1847 AVFormatContext *os = output_files[ost->file_index].ctx;
1848 int stop_encoding = 0;
1850 if (!ost->encoding_needed)
1853 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1855 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1860 int fifo_bytes, got_packet;
1861 av_init_packet(&pkt);
1865 switch (ost->st->codec->codec_type) {
1866 case AVMEDIA_TYPE_AUDIO:
1867 fifo_bytes = av_fifo_size(ost->fifo);
1868 if (fifo_bytes > 0) {
1869 /* encode any samples remaining in fifo */
1870 int frame_bytes = fifo_bytes;
1872 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1874 /* pad last frame with silence if needed */
1875 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1876 frame_bytes = enc->frame_size * enc->channels *
1877 av_get_bytes_per_sample(enc->sample_fmt);
1878 if (allocated_audio_buf_size < frame_bytes)
1880 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1882 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1884 /* flush encoder with NULL frames until it is done
1885 returning packets */
1886 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1892 case AVMEDIA_TYPE_VIDEO:
1893 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1895 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1898 video_size += pkt.size;
1899 if (ost->logfile && enc->stats_out) {
1900 fprintf(ost->logfile, "%s", enc->stats_out);
1906 if (pkt.pts != AV_NOPTS_VALUE)
1907 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1908 if (pkt.dts != AV_NOPTS_VALUE)
1909 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1910 write_frame(os, &pkt, ost);
1922 * Check whether a packet from ist should be written into ost at this time
1924 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1926 OutputFile *of = &output_files[ost->file_index];
1927 int ist_index = ist - input_streams;
1929 if (ost->source_index != ist_index)
1932 if (of->start_time && ist->pts < of->start_time)
1935 if (of->recording_time != INT64_MAX &&
1936 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1937 (AVRational){ 1, 1000000 }) >= 0) {
1938 ost->is_past_recording_time = 1;
1945 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1947 OutputFile *of = &output_files[ost->file_index];
1948 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1952 av_init_packet(&opkt);
1954 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1955 !ost->copy_initial_nonkeyframes)
1958 /* force the input stream PTS */
1959 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1960 audio_size += pkt->size;
1961 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1962 video_size += pkt->size;
1966 if (pkt->pts != AV_NOPTS_VALUE)
1967 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1969 opkt.pts = AV_NOPTS_VALUE;
1971 if (pkt->dts == AV_NOPTS_VALUE)
1972 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1974 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1975 opkt.dts -= ost_tb_start_time;
1977 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1978 opkt.flags = pkt->flags;
1980 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1981 if ( ost->st->codec->codec_id != CODEC_ID_H264
1982 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1983 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1984 && ost->st->codec->codec_id != CODEC_ID_VC1
1986 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1987 opkt.destruct = av_destruct_packet;
1989 opkt.data = pkt->data;
1990 opkt.size = pkt->size;
1992 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1993 /* store AVPicture in AVPacket, as expected by the output format */
1994 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1995 opkt.data = (uint8_t *)&pict;
1996 opkt.size = sizeof(AVPicture);
1997 opkt.flags |= AV_PKT_FLAG_KEY;
2000 write_frame(of->ctx, &opkt, ost);
2001 ost->st->codec->frame_number++;
2002 av_free_packet(&opkt);
2005 static void rate_emu_sleep(InputStream *ist)
2007 if (input_files[ist->file_index].rate_emu) {
2008 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
2009 int64_t now = av_gettime() - ist->start;
2015 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
2017 AVFrame *decoded_frame;
2018 AVCodecContext *avctx = ist->st->codec;
2019 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
2022 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2023 return AVERROR(ENOMEM);
2025 avcodec_get_frame_defaults(ist->decoded_frame);
2026 decoded_frame = ist->decoded_frame;
2028 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2032 if (avctx->sample_rate <= 0) {
2033 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
2034 return AVERROR_INVALIDDATA;
2038 /* no audio frame */
2042 /* if the decoder provides a pts, use it instead of the last packet pts.
2043 the decoder could be delaying output by a packet or more. */
2044 if (decoded_frame->pts != AV_NOPTS_VALUE)
2045 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2047 /* increment next_dts to use for the case where the input stream does not
2048 have timestamps or there are multiple frames in the packet */
2049 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2051 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2055 // preprocess audio (volume)
2056 if (audio_volume != 256) {
2057 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2058 void *samples = decoded_frame->data[0];
2059 switch (avctx->sample_fmt) {
2060 case AV_SAMPLE_FMT_U8:
2062 uint8_t *volp = samples;
2063 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2064 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2065 *volp++ = av_clip_uint8(v);
2069 case AV_SAMPLE_FMT_S16:
2071 int16_t *volp = samples;
2072 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2073 int v = ((*volp) * audio_volume + 128) >> 8;
2074 *volp++ = av_clip_int16(v);
2078 case AV_SAMPLE_FMT_S32:
2080 int32_t *volp = samples;
2081 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2082 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2083 *volp++ = av_clipl_int32(v);
2087 case AV_SAMPLE_FMT_FLT:
2089 float *volp = samples;
2090 float scale = audio_volume / 256.f;
2091 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2096 case AV_SAMPLE_FMT_DBL:
2098 double *volp = samples;
2099 double scale = audio_volume / 256.;
2100 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2106 av_log(NULL, AV_LOG_FATAL,
2107 "Audio volume adjustment on sample format %s is not supported.\n",
2108 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2113 rate_emu_sleep(ist);
2115 for (i = 0; i < nb_output_streams; i++) {
2116 OutputStream *ost = &output_streams[i];
2118 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2120 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2126 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2128 AVFrame *decoded_frame;
2129 void *buffer_to_free = NULL;
2131 int64_t *best_effort_timestamp;
2132 AVRational *frame_sample_aspect;
2134 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2135 return AVERROR(ENOMEM);
2137 avcodec_get_frame_defaults(ist->decoded_frame);
2138 decoded_frame = ist->decoded_frame;
2139 pkt->pts = *pkt_pts;
2140 pkt->dts = ist->dts;
2141 *pkt_pts = AV_NOPTS_VALUE;
2143 ret = avcodec_decode_video2(ist->st->codec,
2144 decoded_frame, got_output, pkt);
2149 /* no picture yet */
2153 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2154 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2155 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2159 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2162 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2163 for(i=0;i<nb_output_streams;i++) {
2164 OutputStream *ost = ost = &output_streams[i];
2165 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2166 if (!frame_sample_aspect->num)
2167 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2168 decoded_frame->pts = ist->pts;
2169 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2170 FrameBuffer *buf = decoded_frame->opaque;
2171 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2172 decoded_frame->data, decoded_frame->linesize,
2173 AV_PERM_READ | AV_PERM_PRESERVE,
2174 ist->st->codec->width, ist->st->codec->height,
2175 ist->st->codec->pix_fmt);
2177 avfilter_copy_frame_props(fb, decoded_frame);
2178 fb->buf->priv = buf;
2179 fb->buf->free = filter_release_buffer;
2182 av_buffersrc_buffer(ost->input_video_filter, fb);
2184 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2185 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2192 rate_emu_sleep(ist);
2194 for (i = 0; i < nb_output_streams; i++) {
2195 OutputStream *ost = &output_streams[i];
2197 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2201 while (av_buffersink_poll_frame(ost->output_video_filter)) {
2202 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2203 AVFrame *filtered_frame;
2205 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2206 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2209 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2210 ret = AVERROR(ENOMEM);
2213 filtered_frame = ist->filtered_frame;
2214 *filtered_frame= *decoded_frame; //for me_threshold
2215 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2216 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2217 if (!ost->frame_aspect_ratio)
2218 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2219 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame);
2221 avfilter_unref_buffer(ost->picref);
2224 do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2229 av_free(buffer_to_free);
2233 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2235 AVSubtitle subtitle;
2236 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2237 &subtitle, got_output, pkt);
2243 rate_emu_sleep(ist);
2245 for (i = 0; i < nb_output_streams; i++) {
2246 OutputStream *ost = &output_streams[i];
2248 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2251 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2254 avsubtitle_free(&subtitle);
2258 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2259 static int output_packet(InputStream *ist,
2260 OutputStream *ost_table, int nb_ostreams,
2261 const AVPacket *pkt)
2265 int64_t pkt_pts = AV_NOPTS_VALUE;
2269 if (ist->next_dts == AV_NOPTS_VALUE)
2270 ist->next_dts = ist->dts;
2271 if (ist->next_pts == AV_NOPTS_VALUE)
2272 ist->next_pts = ist->pts;
2276 av_init_packet(&avpkt);
2284 if (pkt->dts != AV_NOPTS_VALUE) {
2285 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2286 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2287 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2289 if(pkt->pts != AV_NOPTS_VALUE)
2290 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2292 // while we have more to decode or while the decoder did output something on EOF
2293 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2297 ist->pts = ist->next_pts;
2298 ist->dts = ist->next_dts;
2300 if (avpkt.size && avpkt.size != pkt->size) {
2301 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2302 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2303 ist->showed_multi_packet_warning = 1;
2306 switch (ist->st->codec->codec_type) {
2307 case AVMEDIA_TYPE_AUDIO:
2308 ret = transcode_audio (ist, &avpkt, &got_output);
2310 case AVMEDIA_TYPE_VIDEO:
2311 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2312 if (avpkt.duration) {
2313 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2314 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2315 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2316 duration = ((int64_t)AV_TIME_BASE *
2317 ist->st->codec->time_base.num * ticks) /
2318 ist->st->codec->time_base.den;
2322 if(ist->dts != AV_NOPTS_VALUE && duration) {
2323 ist->next_dts += duration;
2325 ist->next_dts = AV_NOPTS_VALUE;
2328 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2330 case AVMEDIA_TYPE_SUBTITLE:
2331 ret = transcode_subtitles(ist, &avpkt, &got_output);
2341 avpkt.pts= AV_NOPTS_VALUE;
2343 // touch data and size only if not EOF
2345 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2355 /* handle stream copy */
2356 if (!ist->decoding_needed) {
2357 rate_emu_sleep(ist);
2358 ist->dts = ist->next_dts;
2359 switch (ist->st->codec->codec_type) {
2360 case AVMEDIA_TYPE_AUDIO:
2361 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2362 ist->st->codec->sample_rate;
2364 case AVMEDIA_TYPE_VIDEO:
2365 if (pkt->duration) {
2366 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2367 } else if(ist->st->codec->time_base.num != 0) {
2368 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2369 ist->next_dts += ((int64_t)AV_TIME_BASE *
2370 ist->st->codec->time_base.num * ticks) /
2371 ist->st->codec->time_base.den;
2375 ist->pts = ist->dts;
2376 ist->next_pts = ist->next_dts;
2378 for (i = 0; pkt && i < nb_ostreams; i++) {
2379 OutputStream *ost = &ost_table[i];
2381 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2384 do_streamcopy(ist, ost, pkt);
2390 static void print_sdp(OutputFile *output_files, int n)
2394 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2398 for (i = 0; i < n; i++)
2399 avc[i] = output_files[i].ctx;
2401 av_sdp_create(avc, n, sdp, sizeof(sdp));
2402 printf("SDP:\n%s\n", sdp);
2407 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2408 char *error, int error_len)
2410 InputStream *ist = &input_streams[ist_index];
2411 if (ist->decoding_needed) {
2412 AVCodec *codec = ist->dec;
2414 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2415 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2416 return AVERROR(EINVAL);
2419 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2420 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2421 ist->st->codec->get_buffer = codec_get_buffer;
2422 ist->st->codec->release_buffer = codec_release_buffer;
2423 ist->st->codec->opaque = ist;
2426 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2427 av_dict_set(&ist->opts, "threads", "auto", 0);
2428 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2429 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2430 ist->file_index, ist->st->index);
2431 return AVERROR(EINVAL);
2433 assert_codec_experimental(ist->st->codec, 0);
2434 assert_avoptions(ist->opts);
2437 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;
2438 ist->next_pts = AV_NOPTS_VALUE;
2439 ist->next_dts = AV_NOPTS_VALUE;
2445 static int transcode_init(OutputFile *output_files, int nb_output_files,
2446 InputFile *input_files, int nb_input_files)
2448 int ret = 0, i, j, k;
2449 AVFormatContext *oc;
2450 AVCodecContext *codec, *icodec;
2456 /* init framerate emulation */
2457 for (i = 0; i < nb_input_files; i++) {
2458 InputFile *ifile = &input_files[i];
2459 if (ifile->rate_emu)
2460 for (j = 0; j < ifile->nb_streams; j++)
2461 input_streams[j + ifile->ist_index].start = av_gettime();
2464 /* output stream init */
2465 for (i = 0; i < nb_output_files; i++) {
2466 oc = output_files[i].ctx;
2467 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2468 av_dump_format(oc, i, oc->filename, 1);
2469 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2470 return AVERROR(EINVAL);
2474 /* for each output stream, we compute the right encoding parameters */
2475 for (i = 0; i < nb_output_streams; i++) {
2476 ost = &output_streams[i];
2477 oc = output_files[ost->file_index].ctx;
2478 ist = &input_streams[ost->source_index];
2480 if (ost->attachment_filename)
2483 codec = ost->st->codec;
2484 icodec = ist->st->codec;
2486 ost->st->disposition = ist->st->disposition;
2487 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2488 codec->chroma_sample_location = icodec->chroma_sample_location;
2490 if (ost->stream_copy) {
2491 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2493 if (extra_size > INT_MAX) {
2494 return AVERROR(EINVAL);
2497 /* if stream_copy is selected, no need to decode or encode */
2498 codec->codec_id = icodec->codec_id;
2499 codec->codec_type = icodec->codec_type;
2501 if (!codec->codec_tag) {
2502 if (!oc->oformat->codec_tag ||
2503 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2504 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2505 codec->codec_tag = icodec->codec_tag;
2508 codec->bit_rate = icodec->bit_rate;
2509 codec->rc_max_rate = icodec->rc_max_rate;
2510 codec->rc_buffer_size = icodec->rc_buffer_size;
2511 codec->field_order = icodec->field_order;
2512 codec->extradata = av_mallocz(extra_size);
2513 if (!codec->extradata) {
2514 return AVERROR(ENOMEM);
2516 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2517 codec->extradata_size= icodec->extradata_size;
2519 codec->time_base = ist->st->time_base;
2521 * Avi is a special case here because it supports variable fps but
2522 * having the fps and timebase differe significantly adds quite some
2525 if(!strcmp(oc->oformat->name, "avi")) {
2526 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2527 && av_q2d(ist->st->time_base) < 1.0/500
2529 codec->time_base = icodec->time_base;
2530 codec->time_base.num *= icodec->ticks_per_frame;
2531 codec->time_base.den *= 2;
2533 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2534 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2535 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2537 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2538 && av_q2d(ist->st->time_base) < 1.0/500
2540 codec->time_base = icodec->time_base;
2541 codec->time_base.num *= icodec->ticks_per_frame;
2544 av_reduce(&codec->time_base.num, &codec->time_base.den,
2545 codec->time_base.num, codec->time_base.den, INT_MAX);
2547 switch (codec->codec_type) {
2548 case AVMEDIA_TYPE_AUDIO:
2549 if (audio_volume != 256) {
2550 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2553 codec->channel_layout = icodec->channel_layout;
2554 codec->sample_rate = icodec->sample_rate;
2555 codec->channels = icodec->channels;
2556 codec->frame_size = icodec->frame_size;
2557 codec->audio_service_type = icodec->audio_service_type;
2558 codec->block_align = icodec->block_align;
2560 case AVMEDIA_TYPE_VIDEO:
2561 codec->pix_fmt = icodec->pix_fmt;
2562 codec->width = icodec->width;
2563 codec->height = icodec->height;
2564 codec->has_b_frames = icodec->has_b_frames;
2565 if (!codec->sample_aspect_ratio.num) {
2566 codec->sample_aspect_ratio =
2567 ost->st->sample_aspect_ratio =
2568 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2569 ist->st->codec->sample_aspect_ratio.num ?
2570 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2572 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2574 case AVMEDIA_TYPE_SUBTITLE:
2575 codec->width = icodec->width;
2576 codec->height = icodec->height;
2578 case AVMEDIA_TYPE_DATA:
2579 case AVMEDIA_TYPE_ATTACHMENT:
2586 ost->enc = avcodec_find_encoder(codec->codec_id);
2588 ist->decoding_needed = 1;
2589 ost->encoding_needed = 1;
2591 switch (codec->codec_type) {
2592 case AVMEDIA_TYPE_AUDIO:
2593 ost->fifo = av_fifo_alloc(1024);
2595 return AVERROR(ENOMEM);
2597 if (!codec->sample_rate)
2598 codec->sample_rate = icodec->sample_rate;
2599 choose_sample_rate(ost->st, ost->enc);
2600 codec->time_base = (AVRational){ 1, codec->sample_rate };
2602 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2603 codec->sample_fmt = icodec->sample_fmt;
2604 choose_sample_fmt(ost->st, ost->enc);
2606 if (ost->audio_channels_mapped) {
2607 /* the requested output channel is set to the number of
2608 * -map_channel only if no -ac are specified */
2609 if (!codec->channels) {
2610 codec->channels = ost->audio_channels_mapped;
2611 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2612 if (!codec->channel_layout) {
2613 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2617 /* fill unused channel mapping with -1 (which means a muted
2618 * channel in case the number of output channels is bigger
2619 * than the number of mapped channel) */
2620 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2621 ost->audio_channels_map[j] = -1;
2622 } else if (!codec->channels) {
2623 codec->channels = icodec->channels;
2624 codec->channel_layout = icodec->channel_layout;
2626 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2627 codec->channel_layout = 0;
2629 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2630 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2631 || codec->channel_layout != icodec->channel_layout;
2632 icodec->request_channels = codec->channels;
2633 ost->resample_sample_fmt = icodec->sample_fmt;
2634 ost->resample_sample_rate = icodec->sample_rate;
2635 ost->resample_channels = icodec->channels;
2637 case AVMEDIA_TYPE_VIDEO:
2638 if (codec->pix_fmt == PIX_FMT_NONE)
2639 codec->pix_fmt = icodec->pix_fmt;
2640 choose_pixel_fmt(ost->st, ost->enc);
2642 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2643 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2647 if (!codec->width || !codec->height) {
2648 codec->width = icodec->width;
2649 codec->height = icodec->height;
2652 ost->video_resample = codec->width != icodec->width ||
2653 codec->height != icodec->height ||
2654 codec->pix_fmt != icodec->pix_fmt;
2655 if (ost->video_resample) {
2656 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2659 ost->resample_height = icodec->height;
2660 ost->resample_width = icodec->width;
2661 ost->resample_pix_fmt = icodec->pix_fmt;
2663 if (!ost->frame_rate.num)
2664 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2665 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2666 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2667 ost->frame_rate = ost->enc->supported_framerates[idx];
2669 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2670 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2671 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2672 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2673 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2675 for (j = 0; j < ost->forced_kf_count; j++)
2676 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2681 if (configure_video_filters(ist, ost)) {
2682 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2687 case AVMEDIA_TYPE_SUBTITLE:
2688 codec->time_base = (AVRational){1, 1000};
2695 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2696 char logfilename[1024];
2699 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2700 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2702 if (!strcmp(ost->enc->name, "libx264")) {
2703 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2705 if (codec->flags & CODEC_FLAG_PASS2) {
2707 size_t logbuffer_size;
2708 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2709 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2713 codec->stats_in = logbuffer;
2715 if (codec->flags & CODEC_FLAG_PASS1) {
2716 f = fopen(logfilename, "wb");
2718 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2719 logfilename, strerror(errno));
2729 /* open each encoder */
2730 for (i = 0; i < nb_output_streams; i++) {
2731 ost = &output_streams[i];
2732 if (ost->encoding_needed) {
2733 AVCodec *codec = ost->enc;
2734 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2736 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2737 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2738 ret = AVERROR(EINVAL);
2741 if (dec->subtitle_header) {
2742 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2743 if (!ost->st->codec->subtitle_header) {
2744 ret = AVERROR(ENOMEM);
2747 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2748 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2750 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2751 av_dict_set(&ost->opts, "threads", "auto", 0);
2752 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2753 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2754 ost->file_index, ost->index);
2755 ret = AVERROR(EINVAL);
2758 assert_codec_experimental(ost->st->codec, 1);
2759 assert_avoptions(ost->opts);
2760 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2761 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2762 " It takes bits/s as argument, not kbits/s\n");
2763 extra_size += ost->st->codec->extradata_size;
2765 if (ost->st->codec->me_threshold)
2766 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2770 /* init input streams */
2771 for (i = 0; i < nb_input_streams; i++)
2772 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2775 /* discard unused programs */
2776 for (i = 0; i < nb_input_files; i++) {
2777 InputFile *ifile = &input_files[i];
2778 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2779 AVProgram *p = ifile->ctx->programs[j];
2780 int discard = AVDISCARD_ALL;
2782 for (k = 0; k < p->nb_stream_indexes; k++)
2783 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2784 discard = AVDISCARD_DEFAULT;
2787 p->discard = discard;
2791 /* open files and write file headers */
2792 for (i = 0; i < nb_output_files; i++) {
2793 oc = output_files[i].ctx;
2794 oc->interrupt_callback = int_cb;
2795 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2796 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2797 ret = AVERROR(EINVAL);
2800 // assert_avoptions(output_files[i].opts);
2801 if (strcmp(oc->oformat->name, "rtp")) {
2807 /* dump the file output parameters - cannot be done before in case
2809 for (i = 0; i < nb_output_files; i++) {
2810 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2813 /* dump the stream mapping */
2814 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2815 for (i = 0; i < nb_output_streams; i++) {
2816 ost = &output_streams[i];
2818 if (ost->attachment_filename) {
2819 /* an attached file */
2820 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2821 ost->attachment_filename, ost->file_index, ost->index);
2824 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2825 input_streams[ost->source_index].file_index,
2826 input_streams[ost->source_index].st->index,
2829 if (ost->audio_channels_mapped) {
2830 av_log(NULL, AV_LOG_INFO, " [ch:");
2831 for (j = 0; j < ost->audio_channels_mapped; j++)
2832 if (ost->audio_channels_map[j] == -1)
2833 av_log(NULL, AV_LOG_INFO, " M");
2835 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2836 av_log(NULL, AV_LOG_INFO, "]");
2838 if (ost->sync_ist != &input_streams[ost->source_index])
2839 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2840 ost->sync_ist->file_index,
2841 ost->sync_ist->st->index);
2842 if (ost->stream_copy)
2843 av_log(NULL, AV_LOG_INFO, " (copy)");
2845 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2846 input_streams[ost->source_index].dec->name : "?",
2847 ost->enc ? ost->enc->name : "?");
2848 av_log(NULL, AV_LOG_INFO, "\n");
2852 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2857 print_sdp(output_files, nb_output_files);
2864 * The following code is the main loop of the file converter
2866 static int transcode(OutputFile *output_files, int nb_output_files,
2867 InputFile *input_files, int nb_input_files)
2870 AVFormatContext *is, *os;
2874 int no_packet_count = 0;
2875 int64_t timer_start;
2878 if (!(no_packet = av_mallocz(nb_input_files)))
2881 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2886 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2889 timer_start = av_gettime();
2891 for (; received_sigterm == 0;) {
2892 int file_index, ist_index;
2896 int64_t cur_time= av_gettime();
2898 ipts_min = INT64_MAX;
2900 /* if 'q' pressed, exits */
2902 static int64_t last_time;
2903 if (received_nb_signals)
2905 /* read_key() returns 0 on EOF */
2906 if(cur_time - last_time >= 100000 && !run_as_daemon){
2908 last_time = cur_time;
2913 if (key == '+') av_log_set_level(av_log_get_level()+10);
2914 if (key == '-') av_log_set_level(av_log_get_level()-10);
2915 if (key == 's') qp_hist ^= 1;
2918 do_hex_dump = do_pkt_dump = 0;
2919 } else if(do_pkt_dump){
2923 av_log_set_level(AV_LOG_DEBUG);
2926 if (key == 'c' || key == 'C'){
2927 char buf[4096], target[64], command[256], arg[256] = {0};
2930 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2932 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2937 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2938 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2939 target, time, command, arg);
2940 for (i = 0; i < nb_output_streams; i++) {
2941 ost = &output_streams[i];
2944 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2945 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2946 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2948 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2953 av_log(NULL, AV_LOG_ERROR,
2954 "Parse error, at least 3 arguments were expected, "
2955 "only %d given in string '%s'\n", n, buf);
2959 if (key == 'd' || key == 'D'){
2962 debug = input_streams[0].st->codec->debug<<1;
2963 if(!debug) debug = 1;
2964 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2967 if(scanf("%d", &debug)!=1)
2968 fprintf(stderr,"error parsing debug value\n");
2969 for(i=0;i<nb_input_streams;i++) {
2970 input_streams[i].st->codec->debug = debug;
2972 for(i=0;i<nb_output_streams;i++) {
2973 ost = &output_streams[i];
2974 ost->st->codec->debug = debug;
2976 if(debug) av_log_set_level(AV_LOG_DEBUG);
2977 fprintf(stderr,"debug=%d\n", debug);
2980 fprintf(stderr, "key function\n"
2981 "? show this help\n"
2982 "+ increase verbosity\n"
2983 "- decrease verbosity\n"
2984 "c Send command to filtergraph\n"
2985 "D cycle through available debug modes\n"
2986 "h dump packets/hex press to cycle through the 3 states\n"
2988 "s Show QP histogram\n"
2993 /* select the stream that we must read now by looking at the
2994 smallest output pts */
2996 for (i = 0; i < nb_output_streams; i++) {
3000 ost = &output_streams[i];
3001 of = &output_files[ost->file_index];
3002 os = output_files[ost->file_index].ctx;
3003 ist = &input_streams[ost->source_index];
3004 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
3005 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3007 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
3009 if (!input_files[ist->file_index].eof_reached) {
3010 if (ipts < ipts_min) {
3013 file_index = ist->file_index;
3015 if (opts < opts_min) {
3017 if (!input_sync) file_index = ist->file_index;
3020 if (ost->frame_number >= ost->max_frames) {
3022 for (j = 0; j < of->ctx->nb_streams; j++)
3023 output_streams[of->ost_index + j].is_past_recording_time = 1;
3027 /* if none, if is finished */
3028 if (file_index < 0) {
3029 if (no_packet_count) {
3030 no_packet_count = 0;
3031 memset(no_packet, 0, nb_input_files);
3038 /* read a frame from it and output it in the fifo */
3039 is = input_files[file_index].ctx;
3040 ret = av_read_frame(is, &pkt);
3041 if (ret == AVERROR(EAGAIN)) {
3042 no_packet[file_index] = 1;
3047 input_files[file_index].eof_reached = 1;
3054 no_packet_count = 0;
3055 memset(no_packet, 0, nb_input_files);
3058 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3059 is->streams[pkt.stream_index]);
3061 /* the following test is needed in case new streams appear
3062 dynamically in stream : we ignore them */
3063 if (pkt.stream_index >= input_files[file_index].nb_streams)
3064 goto discard_packet;
3065 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3066 ist = &input_streams[ist_index];
3068 goto discard_packet;
3070 if (pkt.dts != AV_NOPTS_VALUE)
3071 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3072 if (pkt.pts != AV_NOPTS_VALUE)
3073 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3075 if (pkt.pts != AV_NOPTS_VALUE)
3076 pkt.pts *= ist->ts_scale;
3077 if (pkt.dts != AV_NOPTS_VALUE)
3078 pkt.dts *= ist->ts_scale;
3081 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3082 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3083 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3084 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3085 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3086 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3087 input_files[ist->file_index].ts_offset);
3090 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3091 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3092 int64_t delta = pkt_dts - ist->next_dts;
3093 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3094 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3095 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3096 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3097 pkt_dts+1<ist->pts){
3098 input_files[ist->file_index].ts_offset -= delta;
3099 av_log(NULL, AV_LOG_DEBUG,
3100 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3101 delta, input_files[ist->file_index].ts_offset);
3102 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3103 if (pkt.pts != AV_NOPTS_VALUE)
3104 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3107 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3108 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3109 pkt_dts+1<ist->pts){
3110 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3111 pkt.dts = AV_NOPTS_VALUE;
3113 if (pkt.pts != AV_NOPTS_VALUE){
3114 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3115 delta = pkt_pts - ist->next_dts;
3116 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3117 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3118 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3119 pkt.pts = AV_NOPTS_VALUE;
3125 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3126 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3128 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3129 ist->file_index, ist->st->index);
3132 av_free_packet(&pkt);
3137 av_free_packet(&pkt);
3139 /* dump report by using the output first video and audio streams */
3140 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3143 /* at the end of stream, we must flush the decoder buffers */
3144 for (i = 0; i < nb_input_streams; i++) {
3145 ist = &input_streams[i];
3146 if (ist->decoding_needed) {
3147 output_packet(ist, output_streams, nb_output_streams, NULL);
3150 flush_encoders(output_streams, nb_output_streams);
3154 /* write the trailer if needed and close file */
3155 for (i = 0; i < nb_output_files; i++) {
3156 os = output_files[i].ctx;
3157 av_write_trailer(os);
3160 /* dump report by using the first video and audio streams */
3161 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3163 /* close each encoder */
3164 for (i = 0; i < nb_output_streams; i++) {
3165 ost = &output_streams[i];
3166 if (ost->encoding_needed) {
3167 av_freep(&ost->st->codec->stats_in);
3168 avcodec_close(ost->st->codec);
3171 avfilter_graph_free(&ost->graph);
3175 /* close each decoder */
3176 for (i = 0; i < nb_input_streams; i++) {
3177 ist = &input_streams[i];
3178 if (ist->decoding_needed) {
3179 avcodec_close(ist->st->codec);
3187 av_freep(&no_packet);
3189 if (output_streams) {
3190 for (i = 0; i < nb_output_streams; i++) {
3191 ost = &output_streams[i];
3193 if (ost->stream_copy)
3194 av_freep(&ost->st->codec->extradata);
3196 fclose(ost->logfile);
3197 ost->logfile = NULL;
3199 av_fifo_free(ost->fifo); /* works even if fifo is not
3200 initialized but set to zero */
3201 av_freep(&ost->st->codec->subtitle_header);
3202 av_free(ost->resample_frame.data[0]);
3203 av_free(ost->forced_kf_pts);
3204 if (ost->video_resample)
3205 sws_freeContext(ost->img_resample_ctx);
3206 swr_free(&ost->swr);
3207 av_dict_free(&ost->opts);
3214 static int opt_frame_crop(const char *opt, const char *arg)
3216 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3217 return AVERROR(EINVAL);
3220 static int opt_pad(const char *opt, const char *arg)
3222 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3226 static int opt_video_channel(const char *opt, const char *arg)
3228 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3229 return opt_default("channel", arg);
3232 static int opt_video_standard(const char *opt, const char *arg)
3234 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3235 return opt_default("standard", arg);
3238 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3240 audio_codec_name = arg;
3241 return parse_option(o, "codec:a", arg, options);
3244 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3246 video_codec_name = arg;
3247 return parse_option(o, "codec:v", arg, options);
3250 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3252 subtitle_codec_name = arg;
3253 return parse_option(o, "codec:s", arg, options);
3256 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3258 return parse_option(o, "codec:d", arg, options);
3261 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3263 StreamMap *m = NULL;
3264 int i, negative = 0, file_idx;
3265 int sync_file_idx = -1, sync_stream_idx = 0;
3273 map = av_strdup(arg);
3275 /* parse sync stream first, just pick first matching stream */
3276 if (sync = strchr(map, ',')) {
3278 sync_file_idx = strtol(sync + 1, &sync, 0);
3279 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3280 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3285 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3286 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3287 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3288 sync_stream_idx = i;
3291 if (i == input_files[sync_file_idx].nb_streams) {
3292 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3293 "match any streams.\n", arg);
3299 file_idx = strtol(map, &p, 0);
3300 if (file_idx >= nb_input_files || file_idx < 0) {
3301 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3305 /* disable some already defined maps */
3306 for (i = 0; i < o->nb_stream_maps; i++) {
3307 m = &o->stream_maps[i];
3308 if (file_idx == m->file_index &&
3309 check_stream_specifier(input_files[m->file_index].ctx,
3310 input_files[m->file_index].ctx->streams[m->stream_index],
3311 *p == ':' ? p + 1 : p) > 0)
3315 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3316 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3317 *p == ':' ? p + 1 : p) <= 0)
3319 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3320 &o->nb_stream_maps, o->nb_stream_maps + 1);
3321 m = &o->stream_maps[o->nb_stream_maps - 1];
3323 m->file_index = file_idx;
3324 m->stream_index = i;
3326 if (sync_file_idx >= 0) {
3327 m->sync_file_index = sync_file_idx;
3328 m->sync_stream_index = sync_stream_idx;
3330 m->sync_file_index = file_idx;
3331 m->sync_stream_index = i;
3336 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3344 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3346 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3347 &o->nb_attachments, o->nb_attachments + 1);
3348 o->attachments[o->nb_attachments - 1] = arg;
3352 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3358 o->audio_channel_maps =
3359 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3360 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3361 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3363 /* muted channel syntax */
3364 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3365 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3366 m->file_idx = m->stream_idx = -1;
3368 m->ofile_idx = m->ostream_idx = -1;
3373 n = sscanf(arg, "%d.%d.%d:%d.%d",
3374 &m->file_idx, &m->stream_idx, &m->channel_idx,
3375 &m->ofile_idx, &m->ostream_idx);
3377 if (n != 3 && n != 5) {
3378 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3379 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3383 if (n != 5) // only file.stream.channel specified
3384 m->ofile_idx = m->ostream_idx = -1;
3387 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3388 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3392 if (m->stream_idx < 0 ||
3393 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3394 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3395 m->file_idx, m->stream_idx);
3398 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3399 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3400 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3401 m->file_idx, m->stream_idx);
3404 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3405 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3406 m->file_idx, m->stream_idx, m->channel_idx);
3413 * Parse a metadata specifier in arg.
3414 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3415 * @param index for type c/p, chapter/program index is written here
3416 * @param stream_spec for type s, the stream specifier is written here
3418 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3426 if (*(++arg) && *arg != ':') {
3427 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3430 *stream_spec = *arg == ':' ? arg + 1 : "";
3434 if (*(++arg) == ':')
3435 *index = strtol(++arg, NULL, 0);
3438 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3445 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3447 AVDictionary **meta_in = NULL;
3448 AVDictionary **meta_out = NULL;
3450 char type_in, type_out;
3451 const char *istream_spec = NULL, *ostream_spec = NULL;
3452 int idx_in = 0, idx_out = 0;
3454 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3455 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3458 if (type_out == 'g' || !*outspec)
3459 o->metadata_global_manual = 1;
3460 if (type_out == 's' || !*outspec)
3461 o->metadata_streams_manual = 1;
3462 if (type_out == 'c' || !*outspec)
3463 o->metadata_chapters_manual = 1;
3467 if (type_in == 'g' || type_out == 'g')
3468 o->metadata_global_manual = 1;
3469 if (type_in == 's' || type_out == 's')
3470 o->metadata_streams_manual = 1;
3471 if (type_in == 'c' || type_out == 'c')
3472 o->metadata_chapters_manual = 1;
3474 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3475 if ((index) < 0 || (index) >= (nb_elems)) {\
3476 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3481 #define SET_DICT(type, meta, context, index)\
3484 meta = &context->metadata;\
3487 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3488 meta = &context->chapters[index]->metadata;\
3491 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3492 meta = &context->programs[index]->metadata;\
3496 SET_DICT(type_in, meta_in, ic, idx_in);
3497 SET_DICT(type_out, meta_out, oc, idx_out);
3499 /* for input streams choose first matching stream */
3500 if (type_in == 's') {
3501 for (i = 0; i < ic->nb_streams; i++) {
3502 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3503 meta_in = &ic->streams[i]->metadata;
3509 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3514 if (type_out == 's') {
3515 for (i = 0; i < oc->nb_streams; i++) {
3516 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3517 meta_out = &oc->streams[i]->metadata;
3518 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3523 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3528 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3531 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3532 struct tm time = *gmtime((time_t*)&recording_timestamp);
3533 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3534 parse_option(o, "metadata", buf, options);
3536 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3537 "tag instead.\n", opt);
3541 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3543 const char *codec_string = encoder ? "encoder" : "decoder";
3547 avcodec_find_encoder_by_name(name) :
3548 avcodec_find_decoder_by_name(name);
3550 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3553 if (codec->type != type) {
3554 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3560 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3562 char *codec_name = NULL;
3564 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3566 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3567 st->codec->codec_id = codec->id;
3570 return avcodec_find_decoder(st->codec->codec_id);
3574 * Add all the streams from the given input file to the global
3575 * list of input streams.
3577 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3580 char *next, *codec_tag = NULL;
3582 for (i = 0; i < ic->nb_streams; i++) {
3583 AVStream *st = ic->streams[i];
3584 AVCodecContext *dec = st->codec;
3587 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3588 ist = &input_streams[nb_input_streams - 1];
3590 ist->file_index = nb_input_files;
3592 st->discard = AVDISCARD_ALL;
3593 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3595 ist->ts_scale = 1.0;
3596 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3598 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3600 uint32_t tag = strtol(codec_tag, &next, 0);
3602 tag = AV_RL32(codec_tag);
3603 st->codec->codec_tag = tag;
3606 ist->dec = choose_decoder(o, ic, st);
3608 switch (dec->codec_type) {
3609 case AVMEDIA_TYPE_VIDEO:
3611 ist->dec = avcodec_find_decoder(dec->codec_id);
3613 dec->flags |= CODEC_FLAG_EMU_EDGE;
3617 case AVMEDIA_TYPE_AUDIO:
3618 case AVMEDIA_TYPE_DATA:
3619 case AVMEDIA_TYPE_SUBTITLE:
3621 ist->dec = avcodec_find_decoder(dec->codec_id);
3623 case AVMEDIA_TYPE_ATTACHMENT:
3624 case AVMEDIA_TYPE_UNKNOWN:
3632 static void assert_file_overwrite(const char *filename)
3634 if ((!file_overwrite || no_file_overwrite) &&
3635 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3636 av_strstart(filename, "file:", NULL))) {
3637 if (avio_check(filename, 0) == 0) {
3638 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3639 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3642 signal(SIGINT, SIG_DFL);
3643 if (!read_yesno()) {
3644 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
3650 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3657 static void dump_attachment(AVStream *st, const char *filename)
3660 AVIOContext *out = NULL;
3661 AVDictionaryEntry *e;
3663 if (!st->codec->extradata_size) {
3664 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3665 nb_input_files - 1, st->index);
3668 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3669 filename = e->value;
3671 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3672 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3676 assert_file_overwrite(filename);
3678 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3679 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3684 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3689 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3691 AVFormatContext *ic;
3692 AVInputFormat *file_iformat = NULL;
3696 AVDictionary **opts;
3697 int orig_nb_streams; // number of streams before avformat_find_stream_info
3700 if (!(file_iformat = av_find_input_format(o->format))) {
3701 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3706 if (!strcmp(filename, "-"))
3709 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3710 !strcmp(filename, "/dev/stdin");
3712 /* get default parameters from command line */
3713 ic = avformat_alloc_context();
3715 print_error(filename, AVERROR(ENOMEM));
3718 if (o->nb_audio_sample_rate) {
3719 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3720 av_dict_set(&format_opts, "sample_rate", buf, 0);
3722 if (o->nb_audio_channels) {
3723 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3724 av_dict_set(&format_opts, "channels", buf, 0);
3726 if (o->nb_frame_rates) {
3727 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3729 if (o->nb_frame_sizes) {
3730 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3732 if (o->nb_frame_pix_fmts)
3733 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3735 ic->video_codec_id = video_codec_name ?
3736 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3737 ic->audio_codec_id = audio_codec_name ?
3738 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3739 ic->subtitle_codec_id= subtitle_codec_name ?
3740 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3741 ic->flags |= AVFMT_FLAG_NONBLOCK;
3742 ic->interrupt_callback = int_cb;
3744 /* open the input file with generic avformat function */
3745 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3747 print_error(filename, err);
3750 assert_avoptions(format_opts);
3752 /* apply forced codec ids */
3753 for (i = 0; i < ic->nb_streams; i++)
3754 choose_decoder(o, ic, ic->streams[i]);
3756 /* Set AVCodecContext options for avformat_find_stream_info */
3757 opts = setup_find_stream_info_opts(ic, codec_opts);
3758 orig_nb_streams = ic->nb_streams;
3760 /* If not enough info to get the stream parameters, we decode the
3761 first frames to get it. (used in mpeg case for example) */
3762 ret = avformat_find_stream_info(ic, opts);
3764 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3765 avformat_close_input(&ic);
3769 timestamp = o->start_time;
3770 /* add the stream start time */
3771 if (ic->start_time != AV_NOPTS_VALUE)
3772 timestamp += ic->start_time;
3774 /* if seeking requested, we execute it */
3775 if (o->start_time != 0) {
3776 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3778 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3779 filename, (double)timestamp / AV_TIME_BASE);
3783 /* update the current parameters so that they match the one of the input stream */
3784 add_input_streams(o, ic);
3786 /* dump the file content */
3787 av_dump_format(ic, nb_input_files, filename, 0);
3789 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3790 input_files[nb_input_files - 1].ctx = ic;
3791 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3792 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3793 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3794 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3796 for (i = 0; i < o->nb_dump_attachment; i++) {
3799 for (j = 0; j < ic->nb_streams; j++) {
3800 AVStream *st = ic->streams[j];
3802 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3803 dump_attachment(st, o->dump_attachment[i].u.str);
3807 for (i = 0; i < orig_nb_streams; i++)
3808 av_dict_free(&opts[i]);
3811 reset_options(o, 1);
3815 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3820 for (p = kf; *p; p++)
3823 ost->forced_kf_count = n;
3824 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3825 if (!ost->forced_kf_pts) {
3826 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3829 for (i = 0; i < n; i++) {
3830 p = i ? strchr(p, ',') + 1 : kf;
3831 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3835 static uint8_t *get_line(AVIOContext *s)
3841 if (avio_open_dyn_buf(&line) < 0) {
3842 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3846 while ((c = avio_r8(s)) && c != '\n')
3849 avio_close_dyn_buf(line, &buf);
3854 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3857 char filename[1000];
3858 const char *base[3] = { getenv("AVCONV_DATADIR"),
3863 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3867 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3868 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3869 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3872 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3873 i != 1 ? "" : "/.avconv", preset_name);
3874 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3880 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3882 char *codec_name = NULL;
3884 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3886 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3887 NULL, ost->st->codec->codec_type);
3888 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3889 } else if (!strcmp(codec_name, "copy"))
3890 ost->stream_copy = 1;
3892 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3893 ost->st->codec->codec_id = ost->enc->id;
3897 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3900 AVStream *st = avformat_new_stream(oc, NULL);
3901 int idx = oc->nb_streams - 1, ret = 0;
3902 char *bsf = NULL, *next, *codec_tag = NULL;
3903 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3905 char *buf = NULL, *arg = NULL, *preset = NULL;
3906 AVIOContext *s = NULL;
3909 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3913 if (oc->nb_streams - 1 < o->nb_streamid_map)
3914 st->id = o->streamid_map[oc->nb_streams - 1];
3916 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3917 nb_output_streams + 1);
3918 ost = &output_streams[nb_output_streams - 1];
3919 ost->file_index = nb_output_files;
3922 st->codec->codec_type = type;
3923 choose_encoder(o, oc, ost);
3925 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3928 avcodec_get_context_defaults3(st->codec, ost->enc);
3929 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3931 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3932 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3935 if (!buf[0] || buf[0] == '#') {
3939 if (!(arg = strchr(buf, '='))) {
3940 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3944 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3946 } while (!s->eof_reached);
3950 av_log(NULL, AV_LOG_FATAL,
3951 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3952 preset, ost->file_index, ost->index);
3956 ost->max_frames = INT64_MAX;
3957 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3959 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3961 if (next = strchr(bsf, ','))
3963 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3964 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3968 bsfc_prev->next = bsfc;
3970 ost->bitstream_filters = bsfc;
3976 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3978 uint32_t tag = strtol(codec_tag, &next, 0);
3980 tag = AV_RL32(codec_tag);
3981 st->codec->codec_tag = tag;
3984 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3985 if (qscale >= 0 || same_quant) {
3986 st->codec->flags |= CODEC_FLAG_QSCALE;
3987 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3990 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3991 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3993 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3997 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
4000 const char *p = str;
4007 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
4014 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
4018 AVCodecContext *video_enc;
4020 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
4022 video_enc = st->codec;
4024 if (!ost->stream_copy) {
4025 const char *p = NULL;
4026 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
4027 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
4028 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
4031 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
4032 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
4033 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
4037 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
4038 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
4039 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
4043 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
4044 if (frame_aspect_ratio) {
4046 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
4047 q.num <= 0 || q.den <= 0) {
4048 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
4051 ost->frame_aspect_ratio = av_q2d(q);
4054 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4055 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4056 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4057 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4060 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4063 video_enc->gop_size = 0;
4064 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4066 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4067 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4070 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4072 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4074 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4075 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4078 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4081 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4082 for (i = 0; p; i++) {
4084 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4086 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4089 /* FIXME realloc failure */
4090 video_enc->rc_override =
4091 av_realloc(video_enc->rc_override,
4092 sizeof(RcOverride) * (i + 1));
4093 video_enc->rc_override[i].start_frame = start;
4094 video_enc->rc_override[i].end_frame = end;
4096 video_enc->rc_override[i].qscale = q;
4097 video_enc->rc_override[i].quality_factor = 1.0;
4100 video_enc->rc_override[i].qscale = 0;
4101 video_enc->rc_override[i].quality_factor = -q/100.0;
4106 video_enc->rc_override_count = i;
4107 if (!video_enc->rc_initial_buffer_occupancy)
4108 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4109 video_enc->intra_dc_precision = intra_dc_precision - 8;
4112 video_enc->flags|= CODEC_FLAG_PSNR;
4117 video_enc->flags |= CODEC_FLAG_PASS1;
4120 video_enc->flags |= CODEC_FLAG_PASS2;
4124 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4125 if (forced_key_frames)
4126 parse_forced_key_frames(forced_key_frames, ost);
4128 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4130 ost->top_field_first = -1;
4131 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4134 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4136 ost->avfilter = av_strdup(filters);
4139 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4145 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4150 AVCodecContext *audio_enc;
4152 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4155 audio_enc = st->codec;
4156 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4158 if (!ost->stream_copy) {
4159 char *sample_fmt = NULL;
4161 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4163 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4165 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4166 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4170 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4172 ost->rematrix_volume=1.0;
4173 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4176 /* check for channel mapping for this audio stream */
4177 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4178 AudioChannelMap *map = &o->audio_channel_maps[n];
4179 InputStream *ist = &input_streams[ost->source_index];
4180 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4181 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4182 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4183 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4184 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4186 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4187 ost->file_index, ost->st->index);
4194 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4198 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4199 if (!ost->stream_copy) {
4200 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4207 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4209 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4210 ost->stream_copy = 1;
4214 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4218 AVCodecContext *subtitle_enc;
4220 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4222 subtitle_enc = st->codec;
4224 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4229 /* arg format is "output-stream-index:streamid-value". */
4230 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4236 av_strlcpy(idx_str, arg, sizeof(idx_str));
4237 p = strchr(idx_str, ':');
4239 av_log(NULL, AV_LOG_FATAL,
4240 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4245 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4246 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4247 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4251 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4253 AVFormatContext *is = ifile->ctx;
4254 AVFormatContext *os = ofile->ctx;
4257 for (i = 0; i < is->nb_chapters; i++) {
4258 AVChapter *in_ch = is->chapters[i], *out_ch;
4259 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4260 AV_TIME_BASE_Q, in_ch->time_base);
4261 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4262 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4265 if (in_ch->end < ts_off)
4267 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4270 out_ch = av_mallocz(sizeof(AVChapter));
4272 return AVERROR(ENOMEM);
4274 out_ch->id = in_ch->id;
4275 out_ch->time_base = in_ch->time_base;
4276 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4277 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4280 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4283 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4285 return AVERROR(ENOMEM);
4286 os->chapters[os->nb_chapters - 1] = out_ch;
4291 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4294 AVFormatContext *ic = avformat_alloc_context();
4296 ic->interrupt_callback = int_cb;
4297 err = avformat_open_input(&ic, filename, NULL, NULL);
4300 /* copy stream format */
4301 for(i=0;i<ic->nb_streams;i++) {
4305 AVCodecContext *avctx;
4307 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4308 ost = new_output_stream(o, s, codec->type);
4313 // FIXME: a more elegant solution is needed
4314 memcpy(st, ic->streams[i], sizeof(AVStream));
4316 st->info = av_malloc(sizeof(*st->info));
4317 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4319 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4321 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4322 choose_sample_fmt(st, codec);
4323 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4324 choose_pixel_fmt(st, codec);
4327 avformat_close_input(&ic);
4331 static void opt_output_file(void *optctx, const char *filename)
4333 OptionsContext *o = optctx;
4334 AVFormatContext *oc;
4336 AVOutputFormat *file_oformat;
4340 if (!strcmp(filename, "-"))
4343 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4345 print_error(filename, err);
4348 file_oformat= oc->oformat;
4349 oc->interrupt_callback = int_cb;
4351 if (!strcmp(file_oformat->name, "ffm") &&
4352 av_strstart(filename, "http:", NULL)) {
4354 /* special case for files sent to ffserver: we get the stream
4355 parameters from ffserver */
4356 int err = read_ffserver_streams(o, oc, filename);
4358 print_error(filename, err);
4361 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4362 ost = &output_streams[j];
4363 for (i = 0; i < nb_input_streams; i++) {
4364 ist = &input_streams[i];
4365 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4367 ost->source_index= i;
4369 ist->st->discard = AVDISCARD_NONE;
4374 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));
4378 } else if (!o->nb_stream_maps) {
4379 /* pick the "best" stream of each type */
4380 #define NEW_STREAM(type, index)\
4382 ost = new_ ## type ## _stream(o, oc);\
4383 ost->source_index = index;\
4384 ost->sync_ist = &input_streams[index];\
4385 input_streams[index].discard = 0;\
4386 input_streams[index].st->discard = AVDISCARD_NONE;\
4389 /* video: highest resolution */
4390 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4391 int area = 0, idx = -1;
4392 for (i = 0; i < nb_input_streams; i++) {
4393 ist = &input_streams[i];
4394 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4395 ist->st->codec->width * ist->st->codec->height > area) {
4396 area = ist->st->codec->width * ist->st->codec->height;
4400 NEW_STREAM(video, idx);
4403 /* audio: most channels */
4404 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4405 int channels = 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_AUDIO &&
4409 ist->st->codec->channels > channels) {
4410 channels = ist->st->codec->channels;
4414 NEW_STREAM(audio, idx);
4417 /* subtitles: pick first */
4418 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4419 for (i = 0; i < nb_input_streams; i++)
4420 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4421 NEW_STREAM(subtitle, i);
4425 /* do something with data? */
4427 for (i = 0; i < o->nb_stream_maps; i++) {
4428 StreamMap *map = &o->stream_maps[i];
4433 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4434 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4436 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4438 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4440 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4443 switch (ist->st->codec->codec_type) {
4444 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4445 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4446 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4447 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4448 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4450 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4451 map->file_index, map->stream_index);
4455 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4456 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4457 map->sync_stream_index];
4459 ist->st->discard = AVDISCARD_NONE;
4464 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
4465 AVDictionaryEntry *e;
4466 ost = &output_streams[i];
4468 if ( ost->stream_copy
4469 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
4470 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
4471 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
4475 /* handle attached files */
4476 for (i = 0; i < o->nb_attachments; i++) {
4478 uint8_t *attachment;
4482 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4483 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4487 if ((len = avio_size(pb)) <= 0) {
4488 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4492 if (!(attachment = av_malloc(len))) {
4493 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4497 avio_read(pb, attachment, len);
4499 ost = new_attachment_stream(o, oc);
4500 ost->stream_copy = 0;
4501 ost->source_index = -1;
4502 ost->attachment_filename = o->attachments[i];
4503 ost->st->codec->extradata = attachment;
4504 ost->st->codec->extradata_size = len;
4506 p = strrchr(o->attachments[i], '/');
4507 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4511 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4512 output_files[nb_output_files - 1].ctx = oc;
4513 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4514 output_files[nb_output_files - 1].recording_time = o->recording_time;
4515 if (o->recording_time != INT64_MAX)
4516 oc->duration = o->recording_time;
4517 output_files[nb_output_files - 1].start_time = o->start_time;
4518 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4519 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4521 /* check filename in case of an image number is expected */
4522 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4523 if (!av_filename_number_test(oc->filename)) {
4524 print_error(oc->filename, AVERROR(EINVAL));
4529 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4530 /* test if it already exists to avoid losing precious files */
4531 assert_file_overwrite(filename);
4534 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4535 &oc->interrupt_callback,
4536 &output_files[nb_output_files - 1].opts)) < 0) {
4537 print_error(filename, err);
4542 if (o->mux_preload) {
4544 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4545 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4547 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4550 for (i = 0; i < o->nb_metadata_map; i++) {
4552 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4554 if (in_file_index >= nb_input_files) {
4555 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4558 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, in_file_index >= 0 ? input_files[in_file_index].ctx : NULL, o);
4562 if (o->chapters_input_file >= nb_input_files) {
4563 if (o->chapters_input_file == INT_MAX) {
4564 /* copy chapters from the first input file that has them*/
4565 o->chapters_input_file = -1;
4566 for (i = 0; i < nb_input_files; i++)
4567 if (input_files[i].ctx->nb_chapters) {
4568 o->chapters_input_file = i;
4572 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4573 o->chapters_input_file);
4577 if (o->chapters_input_file >= 0)
4578 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4579 !o->metadata_chapters_manual);
4581 /* copy global metadata by default */
4582 if (!o->metadata_global_manual && nb_input_files){
4583 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4584 AV_DICT_DONT_OVERWRITE);
4585 if(o->recording_time != INT64_MAX)
4586 av_dict_set(&oc->metadata, "duration", NULL, 0);
4588 if (!o->metadata_streams_manual)
4589 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4591 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4593 ist = &input_streams[output_streams[i].source_index];
4594 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4597 /* process manually set metadata */
4598 for (i = 0; i < o->nb_metadata; i++) {
4601 const char *stream_spec;
4602 int index = 0, j, ret = 0;
4604 val = strchr(o->metadata[i].u.str, '=');
4606 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4607 o->metadata[i].u.str);
4612 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4614 for (j = 0; j < oc->nb_streams; j++) {
4615 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4616 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4620 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4628 if (index < 0 || index >= oc->nb_chapters) {
4629 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4632 m = &oc->chapters[index]->metadata;
4635 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4638 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4642 reset_options(o, 0);
4645 /* same option as mencoder */
4646 static int opt_pass(const char *opt, const char *arg)
4648 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4652 static int64_t getutime(void)
4655 struct rusage rusage;
4657 getrusage(RUSAGE_SELF, &rusage);
4658 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4659 #elif HAVE_GETPROCESSTIMES
4661 FILETIME c, e, k, u;
4662 proc = GetCurrentProcess();
4663 GetProcessTimes(proc, &c, &e, &k, &u);
4664 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4666 return av_gettime();
4670 static int64_t getmaxrss(void)
4672 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4673 struct rusage rusage;
4674 getrusage(RUSAGE_SELF, &rusage);
4675 return (int64_t)rusage.ru_maxrss * 1024;
4676 #elif HAVE_GETPROCESSMEMORYINFO
4678 PROCESS_MEMORY_COUNTERS memcounters;
4679 proc = GetCurrentProcess();
4680 memcounters.cb = sizeof(memcounters);
4681 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4682 return memcounters.PeakPagefileUsage;
4688 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4690 return parse_option(o, "q:a", arg, options);
4693 static void show_usage(void)
4695 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4696 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4697 av_log(NULL, AV_LOG_INFO, "\n");
4700 static int opt_help(const char *opt, const char *arg)
4702 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4703 av_log_set_callback(log_callback_help);
4705 show_help_options(options, "Main options:\n",
4706 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4707 show_help_options(options, "\nAdvanced options:\n",
4708 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4710 show_help_options(options, "\nVideo options:\n",
4711 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4713 show_help_options(options, "\nAdvanced Video options:\n",
4714 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4715 OPT_VIDEO | OPT_EXPERT);
4716 show_help_options(options, "\nAudio options:\n",
4717 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4719 show_help_options(options, "\nAdvanced Audio options:\n",
4720 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4721 OPT_AUDIO | OPT_EXPERT);
4722 show_help_options(options, "\nSubtitle options:\n",
4723 OPT_SUBTITLE | OPT_GRAB,
4725 show_help_options(options, "\nAudio/Video grab options:\n",
4729 show_help_children(avcodec_get_class(), flags);
4730 show_help_children(avformat_get_class(), flags);
4731 show_help_children(sws_get_class(), flags);
4736 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4738 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4739 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4741 if (!strncmp(arg, "pal-", 4)) {
4744 } else if (!strncmp(arg, "ntsc-", 5)) {
4747 } else if (!strncmp(arg, "film-", 5)) {
4751 /* Try to determine PAL/NTSC by peeking in the input files */
4752 if (nb_input_files) {
4754 for (j = 0; j < nb_input_files; j++) {
4755 for (i = 0; i < input_files[j].nb_streams; i++) {
4756 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4757 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4759 fr = c->time_base.den * 1000 / c->time_base.num;
4763 } else if ((fr == 29970) || (fr == 23976)) {
4768 if (norm != UNKNOWN)
4772 if (norm != UNKNOWN)
4773 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4776 if (norm == UNKNOWN) {
4777 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4778 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4779 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4783 if (!strcmp(arg, "vcd")) {
4784 opt_video_codec(o, "c:v", "mpeg1video");
4785 opt_audio_codec(o, "c:a", "mp2");
4786 parse_option(o, "f", "vcd", options);
4788 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4789 parse_option(o, "r", frame_rates[norm], options);
4790 opt_default("g", norm == PAL ? "15" : "18");
4792 opt_default("b:v", "1150000");
4793 opt_default("maxrate", "1150000");
4794 opt_default("minrate", "1150000");
4795 opt_default("bufsize", "327680"); // 40*1024*8;
4797 opt_default("b:a", "224000");
4798 parse_option(o, "ar", "44100", options);
4799 parse_option(o, "ac", "2", options);
4801 opt_default("packetsize", "2324");
4802 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4804 /* We have to offset the PTS, so that it is consistent with the SCR.
4805 SCR starts at 36000, but the first two packs contain only padding
4806 and the first pack from the other stream, respectively, may also have
4807 been written before.
4808 So the real data starts at SCR 36000+3*1200. */
4809 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4810 } else if (!strcmp(arg, "svcd")) {
4812 opt_video_codec(o, "c:v", "mpeg2video");
4813 opt_audio_codec(o, "c:a", "mp2");
4814 parse_option(o, "f", "svcd", options);
4816 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4817 parse_option(o, "r", frame_rates[norm], options);
4818 parse_option(o, "pix_fmt", "yuv420p", options);
4819 opt_default("g", norm == PAL ? "15" : "18");
4821 opt_default("b:v", "2040000");
4822 opt_default("maxrate", "2516000");
4823 opt_default("minrate", "0"); // 1145000;
4824 opt_default("bufsize", "1835008"); // 224*1024*8;
4825 opt_default("flags", "+scan_offset");
4828 opt_default("b:a", "224000");
4829 parse_option(o, "ar", "44100", options);
4831 opt_default("packetsize", "2324");
4833 } else if (!strcmp(arg, "dvd")) {
4835 opt_video_codec(o, "c:v", "mpeg2video");
4836 opt_audio_codec(o, "c:a", "ac3");
4837 parse_option(o, "f", "dvd", options);
4839 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4840 parse_option(o, "r", frame_rates[norm], options);
4841 parse_option(o, "pix_fmt", "yuv420p", options);
4842 opt_default("g", norm == PAL ? "15" : "18");
4844 opt_default("b:v", "6000000");
4845 opt_default("maxrate", "9000000");
4846 opt_default("minrate", "0"); // 1500000;
4847 opt_default("bufsize", "1835008"); // 224*1024*8;
4849 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4850 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4852 opt_default("b:a", "448000");
4853 parse_option(o, "ar", "48000", options);
4855 } else if (!strncmp(arg, "dv", 2)) {
4857 parse_option(o, "f", "dv", options);
4859 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4860 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4861 norm == PAL ? "yuv420p" : "yuv411p", options);
4862 parse_option(o, "r", frame_rates[norm], options);
4864 parse_option(o, "ar", "48000", options);
4865 parse_option(o, "ac", "2", options);
4868 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4869 return AVERROR(EINVAL);
4874 static int opt_vstats_file(const char *opt, const char *arg)
4876 av_free (vstats_filename);
4877 vstats_filename = av_strdup (arg);
4881 static int opt_vstats(const char *opt, const char *arg)
4884 time_t today2 = time(NULL);
4885 struct tm *today = localtime(&today2);
4887 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4889 return opt_vstats_file(opt, filename);
4892 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4894 return parse_option(o, "frames:v", arg, options);
4897 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4899 return parse_option(o, "frames:a", arg, options);
4902 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4904 return parse_option(o, "frames:d", arg, options);
4907 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4910 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4911 const char *codec_name = *opt == 'v' ? video_codec_name :
4912 *opt == 'a' ? audio_codec_name :
4913 subtitle_codec_name;
4915 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4916 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4917 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4919 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4924 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4925 if(line[0] == '#' && !e)
4927 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4929 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4932 if(!strcmp(tmp, "acodec")){
4933 opt_audio_codec(o, tmp, tmp2);
4934 }else if(!strcmp(tmp, "vcodec")){
4935 opt_video_codec(o, tmp, tmp2);
4936 }else if(!strcmp(tmp, "scodec")){
4937 opt_subtitle_codec(o, tmp, tmp2);
4938 }else if(!strcmp(tmp, "dcodec")){
4939 opt_data_codec(o, tmp, tmp2);
4940 }else if(opt_default(tmp, tmp2) < 0){
4941 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4951 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4955 static int opt_passlogfile(const char *opt, const char *arg)
4957 pass_logfilename_prefix = arg;
4958 #if CONFIG_LIBX264_ENCODER
4959 return opt_default(opt, arg);
4965 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4967 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4968 int ret = parse_option(o, s, arg, options);
4973 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4975 if(!strcmp(opt, "b")){
4976 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4977 return parse_option(o, "b:v", arg, options);
4979 return opt_default(opt, arg);
4982 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
4986 if(!strcmp(opt, "qscale")){
4987 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
4988 return parse_option(o, "q:v", arg, options);
4990 s = av_asprintf("q%s", opt + 6);
4991 ret = parse_option(o, s, arg, options);
4996 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4998 return parse_option(o, "filter:v", arg, options);
5001 static int opt_vsync(const char *opt, const char *arg)
5003 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
5004 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
5005 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
5006 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
5008 if (video_sync_method == VSYNC_AUTO)
5009 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
5013 static int opt_deinterlace(const char *opt, const char *arg)
5015 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
5020 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
5022 int idx = locate_option(argc, argv, options, "cpuflags");
5023 if (idx && argv[idx + 1])
5024 opt_cpuflags("cpuflags", argv[idx + 1]);
5027 #define OFFSET(x) offsetof(OptionsContext, x)
5028 static const OptionDef options[] = {
5030 #include "cmdutils_common_opts.h"
5031 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
5032 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
5033 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
5034 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
5035 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5036 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
5037 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
5038 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
5039 { "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]" },
5040 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
5041 "outfile[,metadata]:infile[,metadata]" },
5042 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
5043 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
5044 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
5045 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
5046 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
5047 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
5048 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
5049 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
5050 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
5051 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5052 "add timings for benchmarking" },
5053 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
5054 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
5055 "dump each input packet" },
5056 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
5057 "when dumping packets, also dump the payload" },
5058 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
5059 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
5060 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
5061 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
5062 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5063 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5064 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
5065 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5066 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5067 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5068 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5069 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5070 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5071 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5072 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5073 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5075 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5077 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5078 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5079 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5080 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5083 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5084 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5085 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5086 { "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" },
5087 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5088 { "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" },
5089 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5090 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5091 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5092 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5093 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5094 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5095 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5096 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5097 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5098 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "deprecated use -g 1"},
5099 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5100 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5101 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5102 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5103 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5104 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5105 "use same quantizer as source (implies VBR)" },
5106 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5107 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5108 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5109 "this option is deprecated, use the yadif filter instead" },
5110 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5111 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5112 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5114 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5116 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5117 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5118 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5119 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5120 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5121 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5122 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5123 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5124 { "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" },
5125 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5128 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5129 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5130 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5131 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5132 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5133 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5134 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5135 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5136 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5137 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5139 /* subtitle options */
5140 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5141 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5142 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5145 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5146 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5147 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5150 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5151 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5153 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5154 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5155 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5157 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5158 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5159 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5160 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5161 /* data codec support */
5162 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5163 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5165 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5169 int main(int argc, char **argv)
5171 OptionsContext o = { 0 };
5174 reset_options(&o, 0);
5176 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5177 parse_loglevel(argc, argv, options);
5179 if(argc>1 && !strcmp(argv[1], "-d")){
5181 av_log_set_callback(log_callback_null);
5186 avcodec_register_all();
5188 avdevice_register_all();
5191 avfilter_register_all();
5194 avformat_network_init();
5196 show_banner(argc, argv, options);
5200 parse_cpuflags(argc, argv, options);
5203 parse_options(&o, argc, argv, options, opt_output_file);
5205 if (nb_output_files <= 0 && nb_input_files == 0) {
5207 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5211 /* file converter / grab */
5212 if (nb_output_files <= 0) {
5213 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5217 if (nb_input_files == 0) {
5218 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5223 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5225 ti = getutime() - ti;
5227 int maxrss = getmaxrss() / 1024;
5228 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);