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;
183 static uint8_t *input_tmp= NULL;
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 */
284 struct SwrContext *swr;
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(AVCodecContext *s, InputStream *ist, 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(s, ist, &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(s, ist, &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;
579 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
580 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
581 frame->data[i] = buf->data[i];
582 frame->linesize[i] = buf->linesize[i];
588 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
590 InputStream *ist = s->opaque;
591 FrameBuffer *buf = frame->opaque;
594 if(frame->type!=FF_BUFFER_TYPE_USER)
595 return avcodec_default_release_buffer(s, frame);
597 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
598 frame->data[i] = NULL;
600 unref_buffer(ist, buf);
603 static void filter_release_buffer(AVFilterBuffer *fb)
605 FrameBuffer *buf = fb->priv;
607 unref_buffer(buf->ist, buf);
612 static int configure_video_filters(InputStream *ist, OutputStream *ost)
614 AVFilterContext *last_filter, *filter;
615 /** filter graph containing all filters including input & output */
616 AVCodecContext *codec = ost->st->codec;
617 AVCodecContext *icodec = ist->st->codec;
618 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
619 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
620 AVRational sample_aspect_ratio;
624 ost->graph = avfilter_graph_alloc();
626 return AVERROR(ENOMEM);
628 if (ist->st->sample_aspect_ratio.num) {
629 sample_aspect_ratio = ist->st->sample_aspect_ratio;
631 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
633 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
634 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
635 sample_aspect_ratio.num, sample_aspect_ratio.den);
637 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
638 "src", args, NULL, ost->graph);
642 #if FF_API_OLD_VSINK_API
643 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
644 "out", NULL, pix_fmts, ost->graph);
646 buffersink_params->pixel_fmts = pix_fmts;
647 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
648 "out", NULL, buffersink_params, ost->graph);
650 av_freep(&buffersink_params);
654 last_filter = ost->input_video_filter;
656 if (codec->width != icodec->width || codec->height != icodec->height) {
657 snprintf(args, 255, "%d:%d:flags=0x%X",
660 (unsigned)ost->sws_flags);
661 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
662 NULL, args, NULL, ost->graph)) < 0)
664 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
666 last_filter = filter;
669 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
670 ost->graph->scale_sws_opts = av_strdup(args);
673 AVFilterInOut *outputs = avfilter_inout_alloc();
674 AVFilterInOut *inputs = avfilter_inout_alloc();
676 outputs->name = av_strdup("in");
677 outputs->filter_ctx = last_filter;
678 outputs->pad_idx = 0;
679 outputs->next = NULL;
681 inputs->name = av_strdup("out");
682 inputs->filter_ctx = ost->output_video_filter;
686 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
688 av_freep(&ost->avfilter);
690 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
694 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
697 codec->width = ost->output_video_filter->inputs[0]->w;
698 codec->height = ost->output_video_filter->inputs[0]->h;
699 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
700 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
701 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
702 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
706 #endif /* CONFIG_AVFILTER */
708 static void term_exit(void)
710 av_log(NULL, AV_LOG_QUIET, "%s", "");
713 tcsetattr (0, TCSANOW, &oldtty);
717 static volatile int received_sigterm = 0;
719 static void sigterm_handler(int sig)
721 received_sigterm = sig;
722 received_nb_signals++;
724 if(received_nb_signals > 3)
728 static void term_init(void)
734 if (tcgetattr (0, &tty) == 0) {
739 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
740 |INLCR|IGNCR|ICRNL|IXON);
741 tty.c_oflag |= OPOST;
742 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
743 tty.c_cflag &= ~(CSIZE|PARENB);
748 tcsetattr (0, TCSANOW, &tty);
750 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
753 avformat_network_deinit();
755 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
756 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
758 signal(SIGXCPU, sigterm_handler);
762 /* read a key without blocking */
763 static int read_key(void)
775 n = select(1, &rfds, NULL, NULL, &tv);
784 # if HAVE_PEEKNAMEDPIPE
786 static HANDLE input_handle;
789 input_handle = GetStdHandle(STD_INPUT_HANDLE);
790 is_pipe = !GetConsoleMode(input_handle, &dw);
793 if (stdin->_cnt > 0) {
798 /* When running under a GUI, you will end here. */
799 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
816 static int decode_interrupt_cb(void *ctx)
818 return received_nb_signals > 1;
821 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
823 void av_noreturn exit_program(int ret)
828 for (i = 0; i < nb_output_files; i++) {
829 AVFormatContext *s = output_files[i].ctx;
830 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
832 avformat_free_context(s);
833 av_dict_free(&output_files[i].opts);
835 for (i = 0; i < nb_output_streams; i++) {
836 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
838 AVBitStreamFilterContext *next = bsfc->next;
839 av_bitstream_filter_close(bsfc);
842 output_streams[i].bitstream_filters = NULL;
844 if (output_streams[i].output_frame) {
845 AVFrame *frame = output_streams[i].output_frame;
846 if (frame->extended_data != frame->data)
847 av_freep(&frame->extended_data);
851 for (i = 0; i < nb_input_files; i++) {
852 avformat_close_input(&input_files[i].ctx);
854 for (i = 0; i < nb_input_streams; i++) {
855 av_freep(&input_streams[i].decoded_frame);
856 av_freep(&input_streams[i].filtered_frame);
857 av_dict_free(&input_streams[i].opts);
858 free_buffer_pool(&input_streams[i]);
863 av_free(vstats_filename);
865 av_freep(&input_streams);
866 av_freep(&input_files);
867 av_freep(&output_streams);
868 av_freep(&output_files);
872 allocated_audio_buf_size = 0;
877 avformat_network_deinit();
879 av_freep(&input_tmp);
881 if (received_sigterm) {
882 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
883 (int) received_sigterm);
887 exit(ret); /* not all OS-es handle main() return value */
890 static void assert_avoptions(AVDictionary *m)
892 AVDictionaryEntry *t;
893 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
894 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
899 static void assert_codec_experimental(AVCodecContext *c, int encoder)
901 const char *codec_string = encoder ? "encoder" : "decoder";
903 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
904 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
905 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
906 "results.\nAdd '-strict experimental' if you want to use it.\n",
907 codec_string, c->codec->name);
908 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
909 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
910 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
911 codec_string, codec->name);
916 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
918 if (codec && codec->sample_fmts) {
919 const enum AVSampleFormat *p = codec->sample_fmts;
920 for (; *p != -1; p++) {
921 if (*p == st->codec->sample_fmt)
925 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
926 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
927 if(av_get_sample_fmt_name(st->codec->sample_fmt))
928 av_log(NULL, AV_LOG_WARNING,
929 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
930 av_get_sample_fmt_name(st->codec->sample_fmt),
932 av_get_sample_fmt_name(codec->sample_fmts[0]));
933 st->codec->sample_fmt = codec->sample_fmts[0];
938 static void choose_sample_rate(AVStream *st, AVCodec *codec)
940 if (codec && codec->supported_samplerates) {
941 const int *p = codec->supported_samplerates;
943 int best_dist = INT_MAX;
945 int dist = abs(st->codec->sample_rate - *p);
946 if (dist < best_dist) {
952 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
954 st->codec->sample_rate = best;
958 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
960 if (codec && codec->pix_fmts) {
961 const enum PixelFormat *p = codec->pix_fmts;
962 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
963 enum PixelFormat best= PIX_FMT_NONE;
964 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
965 if (st->codec->codec_id == CODEC_ID_MJPEG) {
966 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
967 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
968 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
969 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
972 for (; *p != PIX_FMT_NONE; p++) {
973 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
974 if (*p == st->codec->pix_fmt)
977 if (*p == PIX_FMT_NONE) {
978 if (st->codec->pix_fmt != PIX_FMT_NONE)
979 av_log(NULL, AV_LOG_WARNING,
980 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
981 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
983 av_pix_fmt_descriptors[best].name);
984 st->codec->pix_fmt = best;
990 get_sync_ipts(const OutputStream *ost, int64_t pts)
992 OutputFile *of = &output_files[ost->file_index];
993 return (double)(pts - of->start_time) / AV_TIME_BASE;
996 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
998 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
999 AVCodecContext *avctx = ost->st->codec;
1003 * Audio encoders may split the packets -- #frames in != #packets out.
1004 * But there is no reordering, so we can limit the number of output packets
1005 * by simply dropping them here.
1006 * Counting encoded video frames needs to be done separately because of
1007 * reordering, see do_video_out()
1009 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1010 if (ost->frame_number >= ost->max_frames)
1012 ost->frame_number++;
1016 AVPacket new_pkt = *pkt;
1017 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1018 &new_pkt.data, &new_pkt.size,
1019 pkt->data, pkt->size,
1020 pkt->flags & AV_PKT_FLAG_KEY);
1022 av_free_packet(pkt);
1023 new_pkt.destruct = av_destruct_packet;
1025 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1026 bsfc->filter->name, pkt->stream_index,
1027 avctx->codec ? avctx->codec->name : "copy");
1037 pkt->stream_index = ost->index;
1038 ret = av_interleaved_write_frame(s, pkt);
1040 print_error("av_interleaved_write_frame()", ret);
1045 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1047 int fill_char = 0x00;
1048 if (sample_fmt == AV_SAMPLE_FMT_U8)
1050 memset(buf, fill_char, size);
1053 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1054 const uint8_t *buf, int buf_size)
1056 AVCodecContext *enc = ost->st->codec;
1057 AVFrame *frame = NULL;
1059 int ret, got_packet;
1061 av_init_packet(&pkt);
1066 if (!ost->output_frame) {
1067 ost->output_frame = avcodec_alloc_frame();
1068 if (!ost->output_frame) {
1069 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1073 frame = ost->output_frame;
1074 if (frame->extended_data != frame->data)
1075 av_freep(&frame->extended_data);
1076 avcodec_get_frame_defaults(frame);
1078 frame->nb_samples = buf_size /
1079 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1080 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1081 buf, buf_size, 1)) < 0) {
1082 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1086 ost->sync_opts += frame->nb_samples;
1090 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1091 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1098 if (pkt.pts != AV_NOPTS_VALUE)
1099 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1100 if (pkt.dts != AV_NOPTS_VALUE)
1101 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1102 if (pkt.duration > 0)
1103 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1105 write_frame(s, &pkt, ost);
1107 audio_size += pkt.size;
1109 av_free_packet(&pkt);
1113 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1114 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1115 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1116 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1122 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1123 InputStream *ist, AVFrame *decoded_frame)
1126 int64_t audio_buf_size, size_out;
1128 int frame_bytes, resample_changed;
1129 AVCodecContext *enc = ost->st->codec;
1130 AVCodecContext *dec = ist->st->codec;
1131 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1132 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1133 uint8_t *buf[AV_NUM_DATA_POINTERS];
1134 int size = decoded_frame->nb_samples * dec->channels * isize;
1135 int planes = av_sample_fmt_is_planar(dec->sample_fmt) ? dec->channels : 1;
1136 int64_t allocated_for_size = size;
1139 av_assert0(planes <= AV_NUM_DATA_POINTERS);
1141 for(i=0; i<planes; i++)
1142 buf[i]= decoded_frame->data[i];
1145 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1146 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1147 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1148 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1149 audio_buf_size *= osize * enc->channels;
1151 if (audio_buf_size > INT_MAX) {
1152 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1156 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1158 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1162 if (enc->channels != dec->channels
1163 || enc->sample_fmt != dec->sample_fmt
1164 || enc->sample_rate!= dec->sample_rate
1166 ost->audio_resample = 1;
1168 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1169 ost->resample_channels != dec->channels ||
1170 ost->resample_sample_rate != dec->sample_rate;
1172 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1173 if (resample_changed) {
1174 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",
1175 ist->file_index, ist->st->index,
1176 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1177 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1178 ost->resample_sample_fmt = dec->sample_fmt;
1179 ost->resample_channels = dec->channels;
1180 ost->resample_sample_rate = dec->sample_rate;
1181 swr_free(&ost->swr);
1183 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1184 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1185 ost->resample_sample_fmt == enc->sample_fmt &&
1186 ost->resample_channels == enc->channels &&
1187 ost->resample_sample_rate == enc->sample_rate) {
1189 ost->audio_resample = 0;
1191 ost->swr = swr_alloc_set_opts(ost->swr,
1192 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1193 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1195 if (ost->audio_channels_mapped)
1196 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1197 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1198 if (ost->audio_channels_mapped) {
1199 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1200 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1202 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1203 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1206 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1207 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1210 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1211 if(ost->swr && swr_init(ost->swr) < 0){
1212 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1213 swr_free(&ost->swr);
1217 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1218 dec->channels, dec->sample_rate,
1219 enc->channels, enc->sample_rate);
1225 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1227 if (audio_sync_method) {
1228 double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
1229 av_fifo_size(ost->fifo) / (enc->channels * osize);
1230 int idelta = delta * dec->sample_rate / enc->sample_rate;
1231 int byte_delta = idelta * isize * dec->channels;
1233 // FIXME resample delay
1234 if (fabs(delta) > 50) {
1235 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1236 if (byte_delta < 0) {
1237 byte_delta = FFMAX(byte_delta, -size);
1239 for (i=0; i<planes; i++)
1240 buf[i] -= byte_delta/planes;
1241 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1242 -byte_delta / (isize * dec->channels));
1247 input_tmp = av_realloc(input_tmp, byte_delta + size);
1249 if (byte_delta > allocated_for_size - size) {
1250 allocated_for_size = byte_delta + (int64_t)size;
1255 for (i=0; i<planes; i++) {
1256 uint8_t *t = input_tmp + i*((byte_delta + size)/planes);
1257 generate_silence(t, dec->sample_fmt, byte_delta/planes);
1258 memcpy(t + byte_delta/planes, buf[i], size/planes);
1262 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1264 } else if (audio_sync_method > 1) {
1265 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1266 av_assert0(ost->audio_resample);
1267 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1268 delta, comp, enc->sample_rate);
1269 // 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));
1270 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1274 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
1275 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1277 if (ost->audio_resample || ost->audio_channels_mapped) {
1279 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1280 buf, size / (dec->channels * isize));
1282 av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
1285 size_out = size_out * enc->channels * osize;
1291 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1293 /* now encode as many frames as possible */
1294 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1295 /* output resampled raw samples */
1296 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1297 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1300 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1302 frame_bytes = enc->frame_size * osize * enc->channels;
1304 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1305 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1306 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1309 encode_audio_frame(s, ost, buftmp, size_out);
1313 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1315 AVCodecContext *dec;
1316 AVPicture *picture2;
1317 AVPicture picture_tmp;
1320 dec = ist->st->codec;
1322 /* deinterlace : must be done before any resize */
1323 if (do_deinterlace) {
1326 /* create temporary picture */
1327 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1328 buf = av_malloc(size);
1332 picture2 = &picture_tmp;
1333 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1335 if (avpicture_deinterlace(picture2, picture,
1336 dec->pix_fmt, dec->width, dec->height) < 0) {
1337 /* if error, do not deinterlace */
1338 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1347 if (picture != picture2)
1348 *picture = *picture2;
1352 static void do_subtitle_out(AVFormatContext *s,
1358 static uint8_t *subtitle_out = NULL;
1359 int subtitle_out_max_size = 1024 * 1024;
1360 int subtitle_out_size, nb, i;
1361 AVCodecContext *enc;
1364 if (pts == AV_NOPTS_VALUE) {
1365 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1371 enc = ost->st->codec;
1373 if (!subtitle_out) {
1374 subtitle_out = av_malloc(subtitle_out_max_size);
1377 /* Note: DVB subtitle need one packet to draw them and one other
1378 packet to clear them */
1379 /* XXX: signal it in the codec context ? */
1380 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1385 for (i = 0; i < nb; i++) {
1386 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1388 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1389 // start_display_time is required to be 0
1390 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1391 sub->end_display_time -= sub->start_display_time;
1392 sub->start_display_time = 0;
1393 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1394 subtitle_out_max_size, sub);
1395 if (subtitle_out_size < 0) {
1396 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1400 av_init_packet(&pkt);
1401 pkt.data = subtitle_out;
1402 pkt.size = subtitle_out_size;
1403 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1404 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1405 /* XXX: the pts correction is handled here. Maybe handling
1406 it in the codec would be better */
1408 pkt.pts += 90 * sub->start_display_time;
1410 pkt.pts += 90 * sub->end_display_time;
1412 write_frame(s, &pkt, ost);
1416 static void do_video_resample(OutputStream *ost,
1418 AVFrame *in_picture,
1419 AVFrame **out_picture)
1422 *out_picture = in_picture;
1424 AVCodecContext *dec = ist->st->codec;
1425 AVCodecContext *enc = ost->st->codec;
1426 int resample_changed = ost->resample_width != in_picture->width ||
1427 ost->resample_height != in_picture->height ||
1428 ost->resample_pix_fmt != in_picture->format;
1430 *out_picture = in_picture;
1431 if (resample_changed) {
1432 av_log(NULL, AV_LOG_INFO,
1433 "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",
1434 ist->file_index, ist->st->index,
1435 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1436 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1437 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1438 ost->resample_width = in_picture->width;
1439 ost->resample_height = in_picture->height;
1440 ost->resample_pix_fmt = in_picture->format;
1443 ost->video_resample = in_picture->width != enc->width ||
1444 in_picture->height != enc->height ||
1445 in_picture->format != enc->pix_fmt;
1447 if (ost->video_resample) {
1448 *out_picture = &ost->resample_frame;
1449 if (!ost->img_resample_ctx || resample_changed) {
1450 /* initialize the destination picture */
1451 if (!ost->resample_frame.data[0]) {
1452 avcodec_get_frame_defaults(&ost->resample_frame);
1453 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1454 enc->width, enc->height)) {
1455 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1459 /* initialize a new scaler context */
1460 sws_freeContext(ost->img_resample_ctx);
1461 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1462 enc->width, enc->height, enc->pix_fmt,
1463 ost->sws_flags, NULL, NULL, NULL);
1464 if (ost->img_resample_ctx == NULL) {
1465 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1469 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1470 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1475 static double psnr(double d)
1477 return -10.0 * log(d) / log(10.0);
1480 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1483 AVCodecContext *enc;
1485 double ti1, bitrate, avg_bitrate;
1487 /* this is executed just the first time do_video_stats is called */
1489 vstats_file = fopen(vstats_filename, "w");
1496 enc = ost->st->codec;
1497 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1498 frame_number = ost->frame_number;
1499 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1500 if (enc->flags&CODEC_FLAG_PSNR)
1501 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1503 fprintf(vstats_file,"f_size= %6d ", frame_size);
1504 /* compute pts value */
1505 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1509 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1510 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1511 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1512 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1513 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1518 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1519 InputStream *ist, AVFrame *in_picture)
1521 int nb_frames, i, ret, format_video_sync;
1522 AVFrame *final_picture;
1523 AVCodecContext *enc;
1524 double sync_ipts, delta;
1525 double duration = 0;
1527 float quality = same_quant ? in_picture->quality
1528 : ost->st->codec->global_quality;
1530 enc = ost->st->codec;
1532 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1533 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1534 if(ist->st->avg_frame_rate.num)
1535 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1537 duration /= av_q2d(enc->time_base);
1540 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1541 delta = sync_ipts - ost->sync_opts + duration;
1543 /* by default, we output a single frame */
1546 format_video_sync = video_sync_method;
1547 if (format_video_sync == VSYNC_AUTO)
1548 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1550 switch (format_video_sync) {
1552 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1555 else if (delta > 1.1)
1556 nb_frames = lrintf(delta);
1561 else if (delta > 0.6)
1562 ost->sync_opts = lrintf(sync_ipts);
1565 case VSYNC_PASSTHROUGH:
1566 ost->sync_opts = lrintf(sync_ipts);
1572 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1573 if (nb_frames == 0) {
1575 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1577 } else if (nb_frames > 1) {
1578 nb_frames_dup += nb_frames - 1;
1579 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1582 do_video_resample(ost, ist, in_picture, &final_picture);
1584 /* duplicates frame if needed */
1585 for (i = 0; i < nb_frames; i++) {
1587 av_init_packet(&pkt);
1591 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1592 enc->codec->id == CODEC_ID_RAWVIDEO) {
1593 /* raw pictures are written as AVPicture structure to
1594 avoid any copies. We support temporarily the older
1596 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1597 enc->coded_frame->top_field_first = in_picture->top_field_first;
1598 pkt.data = (uint8_t *)final_picture;
1599 pkt.size = sizeof(AVPicture);
1600 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1601 pkt.flags |= AV_PKT_FLAG_KEY;
1603 write_frame(s, &pkt, ost);
1606 AVFrame big_picture;
1608 big_picture = *final_picture;
1609 /* better than nothing: use input picture interlaced
1611 big_picture.interlaced_frame = in_picture->interlaced_frame;
1612 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1613 if (ost->top_field_first == -1)
1614 big_picture.top_field_first = in_picture->top_field_first;
1616 big_picture.top_field_first = !!ost->top_field_first;
1619 /* handles same_quant here. This is not correct because it may
1620 not be a global option */
1621 big_picture.quality = quality;
1622 if (!enc->me_threshold)
1623 big_picture.pict_type = 0;
1624 big_picture.pts = ost->sync_opts;
1625 if (ost->forced_kf_index < ost->forced_kf_count &&
1626 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1627 big_picture.pict_type = AV_PICTURE_TYPE_I;
1628 ost->forced_kf_index++;
1630 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1632 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1637 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1638 pkt.pts = ost->sync_opts;
1640 if (pkt.pts != AV_NOPTS_VALUE)
1641 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1642 if (pkt.dts != AV_NOPTS_VALUE)
1643 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1646 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1647 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1648 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1649 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1652 if (format_video_sync == VSYNC_DROP)
1653 pkt.pts = pkt.dts = AV_NOPTS_VALUE;
1655 write_frame(s, &pkt, ost);
1656 frame_size = pkt.size;
1657 video_size += pkt.size;
1658 av_free_packet(&pkt);
1660 /* if two pass, output log */
1661 if (ost->logfile && enc->stats_out) {
1662 fprintf(ost->logfile, "%s", enc->stats_out);
1668 * For video, number of frames in == number of packets out.
1669 * But there may be reordering, so we can't throw away frames on encoder
1670 * flush, we need to limit them here, before they go into encoder.
1672 ost->frame_number++;
1674 if (vstats_filename && frame_size)
1675 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1678 static void print_report(OutputFile *output_files,
1679 OutputStream *ost_table, int nb_ostreams,
1680 int is_last_report, int64_t timer_start, int64_t cur_time)
1684 AVFormatContext *oc;
1686 AVCodecContext *enc;
1687 int frame_number, vid, i;
1689 int64_t pts = INT64_MAX;
1690 static int64_t last_time = -1;
1691 static int qp_histogram[52];
1692 int hours, mins, secs, us;
1694 if (!print_stats && !is_last_report)
1697 if (!is_last_report) {
1698 if (last_time == -1) {
1699 last_time = cur_time;
1702 if ((cur_time - last_time) < 500000)
1704 last_time = cur_time;
1708 oc = output_files[0].ctx;
1710 total_size = avio_size(oc->pb);
1711 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1712 total_size = avio_tell(oc->pb);
1719 for (i = 0; i < nb_ostreams; i++) {
1721 ost = &ost_table[i];
1722 enc = ost->st->codec;
1723 if (!ost->stream_copy && enc->coded_frame)
1724 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1725 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1726 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1728 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1729 float fps, t = (cur_time-timer_start) / 1000000.0;
1731 frame_number = ost->frame_number;
1732 fps = t > 1 ? frame_number / t : 0;
1733 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
1734 frame_number, fps < 9.95, fps, q);
1736 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1740 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1742 for (j = 0; j < 32; j++)
1743 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1745 if (enc->flags&CODEC_FLAG_PSNR) {
1747 double error, error_sum = 0;
1748 double scale, scale_sum = 0;
1749 char type[3] = { 'Y','U','V' };
1750 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1751 for (j = 0; j < 3; j++) {
1752 if (is_last_report) {
1753 error = enc->error[j];
1754 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1756 error = enc->coded_frame->error[j];
1757 scale = enc->width * enc->height * 255.0 * 255.0;
1763 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1765 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1769 /* compute min output value */
1770 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1771 ost->st->time_base, AV_TIME_BASE_Q));
1774 secs = pts / AV_TIME_BASE;
1775 us = pts % AV_TIME_BASE;
1781 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1783 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1784 "size=%8.0fkB time=", total_size / 1024.0);
1785 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1786 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1787 (100 * us) / AV_TIME_BASE);
1788 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1789 "bitrate=%6.1fkbits/s", bitrate);
1791 if (nb_frames_dup || nb_frames_drop)
1792 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1793 nb_frames_dup, nb_frames_drop);
1795 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1799 if (is_last_report) {
1800 int64_t raw= audio_size + video_size + extra_size;
1801 av_log(NULL, AV_LOG_INFO, "\n");
1802 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1803 video_size / 1024.0,
1804 audio_size / 1024.0,
1805 extra_size / 1024.0,
1806 100.0 * (total_size - raw) / raw
1808 if(video_size + audio_size + extra_size == 0){
1809 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1814 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1818 for (i = 0; i < nb_ostreams; i++) {
1819 OutputStream *ost = &ost_table[i];
1820 AVCodecContext *enc = ost->st->codec;
1821 AVFormatContext *os = output_files[ost->file_index].ctx;
1822 int stop_encoding = 0;
1824 if (!ost->encoding_needed)
1827 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1829 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1834 int fifo_bytes, got_packet;
1835 av_init_packet(&pkt);
1839 switch (ost->st->codec->codec_type) {
1840 case AVMEDIA_TYPE_AUDIO:
1841 fifo_bytes = av_fifo_size(ost->fifo);
1842 if (fifo_bytes > 0) {
1843 /* encode any samples remaining in fifo */
1844 int frame_bytes = fifo_bytes;
1846 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1848 /* pad last frame with silence if needed */
1849 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1850 frame_bytes = enc->frame_size * enc->channels *
1851 av_get_bytes_per_sample(enc->sample_fmt);
1852 if (allocated_audio_buf_size < frame_bytes)
1854 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1856 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1858 /* flush encoder with NULL frames until it is done
1859 returning packets */
1860 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1866 case AVMEDIA_TYPE_VIDEO:
1867 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1869 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1872 video_size += pkt.size;
1873 if (ost->logfile && enc->stats_out) {
1874 fprintf(ost->logfile, "%s", enc->stats_out);
1880 if (pkt.pts != AV_NOPTS_VALUE)
1881 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1882 if (pkt.dts != AV_NOPTS_VALUE)
1883 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1884 write_frame(os, &pkt, ost);
1896 * Check whether a packet from ist should be written into ost at this time
1898 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1900 OutputFile *of = &output_files[ost->file_index];
1901 int ist_index = ist - input_streams;
1903 if (ost->source_index != ist_index)
1906 if (of->start_time && ist->pts < of->start_time)
1909 if (of->recording_time != INT64_MAX &&
1910 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1911 (AVRational){ 1, 1000000 }) >= 0) {
1912 ost->is_past_recording_time = 1;
1919 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1921 OutputFile *of = &output_files[ost->file_index];
1922 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1926 av_init_packet(&opkt);
1928 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1929 !ost->copy_initial_nonkeyframes)
1932 /* force the input stream PTS */
1933 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1934 audio_size += pkt->size;
1935 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1936 video_size += pkt->size;
1940 if (pkt->pts != AV_NOPTS_VALUE)
1941 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1943 opkt.pts = AV_NOPTS_VALUE;
1945 if (pkt->dts == AV_NOPTS_VALUE)
1946 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1948 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1949 opkt.dts -= ost_tb_start_time;
1951 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1952 opkt.flags = pkt->flags;
1954 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1955 if ( ost->st->codec->codec_id != CODEC_ID_H264
1956 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1957 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1958 && ost->st->codec->codec_id != CODEC_ID_VC1
1960 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1961 opkt.destruct = av_destruct_packet;
1963 opkt.data = pkt->data;
1964 opkt.size = pkt->size;
1966 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1967 /* store AVPicture in AVPacket, as expected by the output format */
1968 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1969 opkt.data = (uint8_t *)&pict;
1970 opkt.size = sizeof(AVPicture);
1971 opkt.flags |= AV_PKT_FLAG_KEY;
1974 write_frame(of->ctx, &opkt, ost);
1975 ost->st->codec->frame_number++;
1976 av_free_packet(&opkt);
1979 static void rate_emu_sleep(InputStream *ist)
1981 if (input_files[ist->file_index].rate_emu) {
1982 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1983 int64_t now = av_gettime() - ist->start;
1989 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1991 AVFrame *decoded_frame;
1992 AVCodecContext *avctx = ist->st->codec;
1993 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1996 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1997 return AVERROR(ENOMEM);
1999 avcodec_get_frame_defaults(ist->decoded_frame);
2000 decoded_frame = ist->decoded_frame;
2002 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2008 /* no audio frame */
2012 /* if the decoder provides a pts, use it instead of the last packet pts.
2013 the decoder could be delaying output by a packet or more. */
2014 if (decoded_frame->pts != AV_NOPTS_VALUE)
2015 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2017 /* increment next_dts to use for the case where the input stream does not
2018 have timestamps or there are multiple frames in the packet */
2019 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2021 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2025 // preprocess audio (volume)
2026 if (audio_volume != 256) {
2027 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2028 void *samples = decoded_frame->data[0];
2029 switch (avctx->sample_fmt) {
2030 case AV_SAMPLE_FMT_U8:
2032 uint8_t *volp = samples;
2033 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2034 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2035 *volp++ = av_clip_uint8(v);
2039 case AV_SAMPLE_FMT_S16:
2041 int16_t *volp = samples;
2042 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2043 int v = ((*volp) * audio_volume + 128) >> 8;
2044 *volp++ = av_clip_int16(v);
2048 case AV_SAMPLE_FMT_S32:
2050 int32_t *volp = samples;
2051 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2052 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2053 *volp++ = av_clipl_int32(v);
2057 case AV_SAMPLE_FMT_FLT:
2059 float *volp = samples;
2060 float scale = audio_volume / 256.f;
2061 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2066 case AV_SAMPLE_FMT_DBL:
2068 double *volp = samples;
2069 double scale = audio_volume / 256.;
2070 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2076 av_log(NULL, AV_LOG_FATAL,
2077 "Audio volume adjustment on sample format %s is not supported.\n",
2078 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2083 rate_emu_sleep(ist);
2085 for (i = 0; i < nb_output_streams; i++) {
2086 OutputStream *ost = &output_streams[i];
2088 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2090 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2096 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2098 AVFrame *decoded_frame;
2099 void *buffer_to_free = NULL;
2101 int64_t *best_effort_timestamp;
2102 AVRational *frame_sample_aspect;
2104 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2105 return AVERROR(ENOMEM);
2107 avcodec_get_frame_defaults(ist->decoded_frame);
2108 decoded_frame = ist->decoded_frame;
2109 pkt->pts = *pkt_pts;
2110 pkt->dts = ist->dts;
2111 *pkt_pts = AV_NOPTS_VALUE;
2113 ret = avcodec_decode_video2(ist->st->codec,
2114 decoded_frame, got_output, pkt);
2119 /* no picture yet */
2123 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2124 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2125 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2129 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2132 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2133 for(i=0;i<nb_output_streams;i++) {
2134 OutputStream *ost = ost = &output_streams[i];
2135 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2136 if (!frame_sample_aspect->num)
2137 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2138 decoded_frame->pts = ist->pts;
2139 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2140 FrameBuffer *buf = decoded_frame->opaque;
2141 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2142 decoded_frame->data, decoded_frame->linesize,
2143 AV_PERM_READ | AV_PERM_PRESERVE,
2144 ist->st->codec->width, ist->st->codec->height,
2145 ist->st->codec->pix_fmt);
2147 avfilter_copy_frame_props(fb, decoded_frame);
2148 fb->buf->priv = buf;
2149 fb->buf->free = filter_release_buffer;
2152 av_buffersrc_buffer(ost->input_video_filter, fb);
2154 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2155 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2162 rate_emu_sleep(ist);
2164 for (i = 0; i < nb_output_streams; i++) {
2165 OutputStream *ost = &output_streams[i];
2167 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2171 while (av_buffersink_poll_frame(ost->output_video_filter)) {
2172 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2173 AVFrame *filtered_frame;
2175 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2176 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2179 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2180 ret = AVERROR(ENOMEM);
2183 filtered_frame = ist->filtered_frame;
2184 *filtered_frame= *decoded_frame; //for me_threshold
2185 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2186 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2187 if (ost->picref->video && !ost->frame_aspect_ratio)
2188 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2189 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame);
2191 avfilter_unref_buffer(ost->picref);
2194 do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2199 av_free(buffer_to_free);
2203 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2205 AVSubtitle subtitle;
2206 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2207 &subtitle, got_output, pkt);
2213 rate_emu_sleep(ist);
2215 for (i = 0; i < nb_output_streams; i++) {
2216 OutputStream *ost = &output_streams[i];
2218 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2221 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2224 avsubtitle_free(&subtitle);
2228 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2229 static int output_packet(InputStream *ist,
2230 OutputStream *ost_table, int nb_ostreams,
2231 const AVPacket *pkt)
2235 int64_t pkt_pts = AV_NOPTS_VALUE;
2239 if (ist->next_dts == AV_NOPTS_VALUE)
2240 ist->next_dts = ist->dts;
2241 if (ist->next_pts == AV_NOPTS_VALUE)
2242 ist->next_pts = ist->pts;
2246 av_init_packet(&avpkt);
2254 if (pkt->dts != AV_NOPTS_VALUE) {
2255 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2256 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2257 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2259 if(pkt->pts != AV_NOPTS_VALUE)
2260 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2262 // while we have more to decode or while the decoder did output something on EOF
2263 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2267 ist->pts = ist->next_pts;
2268 ist->dts = ist->next_dts;
2270 if (avpkt.size && avpkt.size != pkt->size) {
2271 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2272 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2273 ist->showed_multi_packet_warning = 1;
2276 switch (ist->st->codec->codec_type) {
2277 case AVMEDIA_TYPE_AUDIO:
2278 ret = transcode_audio (ist, &avpkt, &got_output);
2280 case AVMEDIA_TYPE_VIDEO:
2281 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2282 if (avpkt.duration) {
2283 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2284 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2285 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2286 duration = ((int64_t)AV_TIME_BASE *
2287 ist->st->codec->time_base.num * ticks) /
2288 ist->st->codec->time_base.den;
2292 if(ist->dts != AV_NOPTS_VALUE && duration) {
2293 ist->next_dts += duration;
2295 ist->next_dts = AV_NOPTS_VALUE;
2298 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2300 case AVMEDIA_TYPE_SUBTITLE:
2301 ret = transcode_subtitles(ist, &avpkt, &got_output);
2311 avpkt.pts= AV_NOPTS_VALUE;
2313 // touch data and size only if not EOF
2315 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2325 /* handle stream copy */
2326 if (!ist->decoding_needed) {
2327 rate_emu_sleep(ist);
2328 ist->dts = ist->next_dts;
2329 switch (ist->st->codec->codec_type) {
2330 case AVMEDIA_TYPE_AUDIO:
2331 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2332 ist->st->codec->sample_rate;
2334 case AVMEDIA_TYPE_VIDEO:
2335 if (pkt->duration) {
2336 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2337 } else if(ist->st->codec->time_base.num != 0) {
2338 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2339 ist->next_dts += ((int64_t)AV_TIME_BASE *
2340 ist->st->codec->time_base.num * ticks) /
2341 ist->st->codec->time_base.den;
2345 ist->pts = ist->dts;
2346 ist->next_pts = ist->next_dts;
2348 for (i = 0; pkt && i < nb_ostreams; i++) {
2349 OutputStream *ost = &ost_table[i];
2351 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2354 do_streamcopy(ist, ost, pkt);
2360 static void print_sdp(OutputFile *output_files, int n)
2364 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2368 for (i = 0; i < n; i++)
2369 avc[i] = output_files[i].ctx;
2371 av_sdp_create(avc, n, sdp, sizeof(sdp));
2372 printf("SDP:\n%s\n", sdp);
2377 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2378 char *error, int error_len)
2380 InputStream *ist = &input_streams[ist_index];
2381 if (ist->decoding_needed) {
2382 AVCodec *codec = ist->dec;
2384 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2385 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2386 return AVERROR(EINVAL);
2389 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2390 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2391 ist->st->codec->get_buffer = codec_get_buffer;
2392 ist->st->codec->release_buffer = codec_release_buffer;
2393 ist->st->codec->opaque = ist;
2396 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2397 av_dict_set(&ist->opts, "threads", "auto", 0);
2398 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2399 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2400 ist->file_index, ist->st->index);
2401 return AVERROR(EINVAL);
2403 assert_codec_experimental(ist->st->codec, 0);
2404 assert_avoptions(ist->opts);
2407 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;
2408 ist->next_pts = AV_NOPTS_VALUE;
2409 ist->next_dts = AV_NOPTS_VALUE;
2415 static int transcode_init(OutputFile *output_files, int nb_output_files,
2416 InputFile *input_files, int nb_input_files)
2418 int ret = 0, i, j, k;
2419 AVFormatContext *oc;
2420 AVCodecContext *codec, *icodec;
2426 /* init framerate emulation */
2427 for (i = 0; i < nb_input_files; i++) {
2428 InputFile *ifile = &input_files[i];
2429 if (ifile->rate_emu)
2430 for (j = 0; j < ifile->nb_streams; j++)
2431 input_streams[j + ifile->ist_index].start = av_gettime();
2434 /* output stream init */
2435 for (i = 0; i < nb_output_files; i++) {
2436 oc = output_files[i].ctx;
2437 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2438 av_dump_format(oc, i, oc->filename, 1);
2439 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2440 return AVERROR(EINVAL);
2444 /* for each output stream, we compute the right encoding parameters */
2445 for (i = 0; i < nb_output_streams; i++) {
2446 ost = &output_streams[i];
2447 oc = output_files[ost->file_index].ctx;
2448 ist = &input_streams[ost->source_index];
2450 if (ost->attachment_filename)
2453 codec = ost->st->codec;
2454 icodec = ist->st->codec;
2456 ost->st->disposition = ist->st->disposition;
2457 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2458 codec->chroma_sample_location = icodec->chroma_sample_location;
2460 if (ost->stream_copy) {
2461 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2463 if (extra_size > INT_MAX) {
2464 return AVERROR(EINVAL);
2467 /* if stream_copy is selected, no need to decode or encode */
2468 codec->codec_id = icodec->codec_id;
2469 codec->codec_type = icodec->codec_type;
2471 if (!codec->codec_tag) {
2472 if (!oc->oformat->codec_tag ||
2473 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2474 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2475 codec->codec_tag = icodec->codec_tag;
2478 codec->bit_rate = icodec->bit_rate;
2479 codec->rc_max_rate = icodec->rc_max_rate;
2480 codec->rc_buffer_size = icodec->rc_buffer_size;
2481 codec->field_order = icodec->field_order;
2482 codec->extradata = av_mallocz(extra_size);
2483 if (!codec->extradata) {
2484 return AVERROR(ENOMEM);
2486 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2487 codec->extradata_size= icodec->extradata_size;
2489 codec->time_base = ist->st->time_base;
2491 * Avi is a special case here because it supports variable fps but
2492 * having the fps and timebase differe significantly adds quite some
2495 if(!strcmp(oc->oformat->name, "avi")) {
2496 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2497 && av_q2d(ist->st->time_base) < 1.0/500
2499 codec->time_base = icodec->time_base;
2500 codec->time_base.num *= icodec->ticks_per_frame;
2501 codec->time_base.den *= 2;
2503 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2504 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2505 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2507 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2508 && av_q2d(ist->st->time_base) < 1.0/500
2510 codec->time_base = icodec->time_base;
2511 codec->time_base.num *= icodec->ticks_per_frame;
2514 av_reduce(&codec->time_base.num, &codec->time_base.den,
2515 codec->time_base.num, codec->time_base.den, INT_MAX);
2517 switch (codec->codec_type) {
2518 case AVMEDIA_TYPE_AUDIO:
2519 if (audio_volume != 256) {
2520 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2523 codec->channel_layout = icodec->channel_layout;
2524 codec->sample_rate = icodec->sample_rate;
2525 codec->channels = icodec->channels;
2526 codec->frame_size = icodec->frame_size;
2527 codec->audio_service_type = icodec->audio_service_type;
2528 codec->block_align = icodec->block_align;
2530 case AVMEDIA_TYPE_VIDEO:
2531 codec->pix_fmt = icodec->pix_fmt;
2532 codec->width = icodec->width;
2533 codec->height = icodec->height;
2534 codec->has_b_frames = icodec->has_b_frames;
2535 if (!codec->sample_aspect_ratio.num) {
2536 codec->sample_aspect_ratio =
2537 ost->st->sample_aspect_ratio =
2538 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2539 ist->st->codec->sample_aspect_ratio.num ?
2540 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2542 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2544 case AVMEDIA_TYPE_SUBTITLE:
2545 codec->width = icodec->width;
2546 codec->height = icodec->height;
2548 case AVMEDIA_TYPE_DATA:
2549 case AVMEDIA_TYPE_ATTACHMENT:
2556 ost->enc = avcodec_find_encoder(codec->codec_id);
2558 ist->decoding_needed = 1;
2559 ost->encoding_needed = 1;
2561 switch (codec->codec_type) {
2562 case AVMEDIA_TYPE_AUDIO:
2563 ost->fifo = av_fifo_alloc(1024);
2565 return AVERROR(ENOMEM);
2567 if (!codec->sample_rate)
2568 codec->sample_rate = icodec->sample_rate;
2569 choose_sample_rate(ost->st, ost->enc);
2570 codec->time_base = (AVRational){ 1, codec->sample_rate };
2572 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2573 codec->sample_fmt = icodec->sample_fmt;
2574 choose_sample_fmt(ost->st, ost->enc);
2576 if (ost->audio_channels_mapped) {
2577 /* the requested output channel is set to the number of
2578 * -map_channel only if no -ac are specified */
2579 if (!codec->channels) {
2580 codec->channels = ost->audio_channels_mapped;
2581 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2582 if (!codec->channel_layout) {
2583 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2587 /* fill unused channel mapping with -1 (which means a muted
2588 * channel in case the number of output channels is bigger
2589 * than the number of mapped channel) */
2590 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2591 ost->audio_channels_map[j] = -1;
2592 } else if (!codec->channels) {
2593 codec->channels = icodec->channels;
2594 codec->channel_layout = icodec->channel_layout;
2596 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2597 codec->channel_layout = 0;
2599 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2600 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2601 || codec->channel_layout != icodec->channel_layout;
2602 icodec->request_channels = codec->channels;
2603 ost->resample_sample_fmt = icodec->sample_fmt;
2604 ost->resample_sample_rate = icodec->sample_rate;
2605 ost->resample_channels = icodec->channels;
2607 case AVMEDIA_TYPE_VIDEO:
2608 if (codec->pix_fmt == PIX_FMT_NONE)
2609 codec->pix_fmt = icodec->pix_fmt;
2610 choose_pixel_fmt(ost->st, ost->enc);
2612 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2613 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2617 if (!codec->width || !codec->height) {
2618 codec->width = icodec->width;
2619 codec->height = icodec->height;
2622 ost->video_resample = codec->width != icodec->width ||
2623 codec->height != icodec->height ||
2624 codec->pix_fmt != icodec->pix_fmt;
2625 if (ost->video_resample) {
2626 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2629 ost->resample_height = icodec->height;
2630 ost->resample_width = icodec->width;
2631 ost->resample_pix_fmt = icodec->pix_fmt;
2633 if (!ost->frame_rate.num)
2634 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2635 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2636 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2637 ost->frame_rate = ost->enc->supported_framerates[idx];
2639 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2640 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2641 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2642 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2643 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2645 for (j = 0; j < ost->forced_kf_count; j++)
2646 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2651 if (configure_video_filters(ist, ost)) {
2652 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2657 case AVMEDIA_TYPE_SUBTITLE:
2658 codec->time_base = (AVRational){1, 1000};
2665 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
2666 char logfilename[1024];
2669 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2670 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2672 if (!strcmp(ost->enc->name, "libx264")) {
2673 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2675 if (codec->flags & CODEC_FLAG_PASS2) {
2677 size_t logbuffer_size;
2678 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2679 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2683 codec->stats_in = logbuffer;
2685 if (codec->flags & CODEC_FLAG_PASS1) {
2686 f = fopen(logfilename, "wb");
2688 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2689 logfilename, strerror(errno));
2699 /* open each encoder */
2700 for (i = 0; i < nb_output_streams; i++) {
2701 ost = &output_streams[i];
2702 if (ost->encoding_needed) {
2703 AVCodec *codec = ost->enc;
2704 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2706 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2707 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2708 ret = AVERROR(EINVAL);
2711 if (dec->subtitle_header) {
2712 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2713 if (!ost->st->codec->subtitle_header) {
2714 ret = AVERROR(ENOMEM);
2717 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2718 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2720 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2721 av_dict_set(&ost->opts, "threads", "auto", 0);
2722 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2723 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2724 ost->file_index, ost->index);
2725 ret = AVERROR(EINVAL);
2728 assert_codec_experimental(ost->st->codec, 1);
2729 assert_avoptions(ost->opts);
2730 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2731 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2732 " It takes bits/s as argument, not kbits/s\n");
2733 extra_size += ost->st->codec->extradata_size;
2735 if (ost->st->codec->me_threshold)
2736 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2740 /* init input streams */
2741 for (i = 0; i < nb_input_streams; i++)
2742 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2745 /* discard unused programs */
2746 for (i = 0; i < nb_input_files; i++) {
2747 InputFile *ifile = &input_files[i];
2748 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2749 AVProgram *p = ifile->ctx->programs[j];
2750 int discard = AVDISCARD_ALL;
2752 for (k = 0; k < p->nb_stream_indexes; k++)
2753 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2754 discard = AVDISCARD_DEFAULT;
2757 p->discard = discard;
2761 /* open files and write file headers */
2762 for (i = 0; i < nb_output_files; i++) {
2763 oc = output_files[i].ctx;
2764 oc->interrupt_callback = int_cb;
2765 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2766 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2767 ret = AVERROR(EINVAL);
2770 // assert_avoptions(output_files[i].opts);
2771 if (strcmp(oc->oformat->name, "rtp")) {
2777 /* dump the file output parameters - cannot be done before in case
2779 for (i = 0; i < nb_output_files; i++) {
2780 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2783 /* dump the stream mapping */
2784 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2785 for (i = 0; i < nb_output_streams; i++) {
2786 ost = &output_streams[i];
2788 if (ost->attachment_filename) {
2789 /* an attached file */
2790 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2791 ost->attachment_filename, ost->file_index, ost->index);
2794 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2795 input_streams[ost->source_index].file_index,
2796 input_streams[ost->source_index].st->index,
2799 if (ost->audio_channels_mapped) {
2800 av_log(NULL, AV_LOG_INFO, " [ch:");
2801 for (j = 0; j < ost->audio_channels_mapped; j++)
2802 if (ost->audio_channels_map[j] == -1)
2803 av_log(NULL, AV_LOG_INFO, " M");
2805 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2806 av_log(NULL, AV_LOG_INFO, "]");
2808 if (ost->sync_ist != &input_streams[ost->source_index])
2809 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2810 ost->sync_ist->file_index,
2811 ost->sync_ist->st->index);
2812 if (ost->stream_copy)
2813 av_log(NULL, AV_LOG_INFO, " (copy)");
2815 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2816 input_streams[ost->source_index].dec->name : "?",
2817 ost->enc ? ost->enc->name : "?");
2818 av_log(NULL, AV_LOG_INFO, "\n");
2822 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2827 print_sdp(output_files, nb_output_files);
2834 * The following code is the main loop of the file converter
2836 static int transcode(OutputFile *output_files, int nb_output_files,
2837 InputFile *input_files, int nb_input_files)
2840 AVFormatContext *is, *os;
2844 int no_packet_count = 0;
2845 int64_t timer_start;
2848 if (!(no_packet = av_mallocz(nb_input_files)))
2851 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2856 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2859 timer_start = av_gettime();
2861 for (; received_sigterm == 0;) {
2862 int file_index, ist_index;
2866 int64_t cur_time= av_gettime();
2868 ipts_min = INT64_MAX;
2870 /* if 'q' pressed, exits */
2872 static int64_t last_time;
2873 if (received_nb_signals)
2875 /* read_key() returns 0 on EOF */
2876 if(cur_time - last_time >= 100000 && !run_as_daemon){
2878 last_time = cur_time;
2883 if (key == '+') av_log_set_level(av_log_get_level()+10);
2884 if (key == '-') av_log_set_level(av_log_get_level()-10);
2885 if (key == 's') qp_hist ^= 1;
2888 do_hex_dump = do_pkt_dump = 0;
2889 } else if(do_pkt_dump){
2893 av_log_set_level(AV_LOG_DEBUG);
2896 if (key == 'c' || key == 'C'){
2897 char buf[4096], target[64], command[256], arg[256] = {0};
2900 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2902 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2907 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2908 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2909 target, time, command, arg);
2910 for (i = 0; i < nb_output_streams; i++) {
2911 ost = &output_streams[i];
2914 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2915 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2916 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2918 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2923 av_log(NULL, AV_LOG_ERROR,
2924 "Parse error, at least 3 arguments were expected, "
2925 "only %d given in string '%s'\n", n, buf);
2929 if (key == 'd' || key == 'D'){
2932 debug = input_streams[0].st->codec->debug<<1;
2933 if(!debug) debug = 1;
2934 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2937 if(scanf("%d", &debug)!=1)
2938 fprintf(stderr,"error parsing debug value\n");
2939 for(i=0;i<nb_input_streams;i++) {
2940 input_streams[i].st->codec->debug = debug;
2942 for(i=0;i<nb_output_streams;i++) {
2943 ost = &output_streams[i];
2944 ost->st->codec->debug = debug;
2946 if(debug) av_log_set_level(AV_LOG_DEBUG);
2947 fprintf(stderr,"debug=%d\n", debug);
2950 fprintf(stderr, "key function\n"
2951 "? show this help\n"
2952 "+ increase verbosity\n"
2953 "- decrease verbosity\n"
2954 "c Send command to filtergraph\n"
2955 "D cycle through available debug modes\n"
2956 "h dump packets/hex press to cycle through the 3 states\n"
2958 "s Show QP histogram\n"
2963 /* select the stream that we must read now by looking at the
2964 smallest output pts */
2966 for (i = 0; i < nb_output_streams; i++) {
2970 ost = &output_streams[i];
2971 of = &output_files[ost->file_index];
2972 os = output_files[ost->file_index].ctx;
2973 ist = &input_streams[ost->source_index];
2974 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2975 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2977 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2979 if (!input_files[ist->file_index].eof_reached) {
2980 if (ipts < ipts_min) {
2983 file_index = ist->file_index;
2985 if (opts < opts_min) {
2987 if (!input_sync) file_index = ist->file_index;
2990 if (ost->frame_number >= ost->max_frames) {
2992 for (j = 0; j < of->ctx->nb_streams; j++)
2993 output_streams[of->ost_index + j].is_past_recording_time = 1;
2997 /* if none, if is finished */
2998 if (file_index < 0) {
2999 if (no_packet_count) {
3000 no_packet_count = 0;
3001 memset(no_packet, 0, nb_input_files);
3008 /* read a frame from it and output it in the fifo */
3009 is = input_files[file_index].ctx;
3010 ret = av_read_frame(is, &pkt);
3011 if (ret == AVERROR(EAGAIN)) {
3012 no_packet[file_index] = 1;
3017 input_files[file_index].eof_reached = 1;
3024 no_packet_count = 0;
3025 memset(no_packet, 0, nb_input_files);
3028 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3029 is->streams[pkt.stream_index]);
3031 /* the following test is needed in case new streams appear
3032 dynamically in stream : we ignore them */
3033 if (pkt.stream_index >= input_files[file_index].nb_streams)
3034 goto discard_packet;
3035 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3036 ist = &input_streams[ist_index];
3038 goto discard_packet;
3040 if (pkt.dts != AV_NOPTS_VALUE)
3041 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3042 if (pkt.pts != AV_NOPTS_VALUE)
3043 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3045 if (pkt.pts != AV_NOPTS_VALUE)
3046 pkt.pts *= ist->ts_scale;
3047 if (pkt.dts != AV_NOPTS_VALUE)
3048 pkt.dts *= ist->ts_scale;
3051 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3052 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3053 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3054 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3055 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3056 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3057 input_files[ist->file_index].ts_offset);
3060 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3061 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3062 int64_t delta = pkt_dts - ist->next_dts;
3063 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3064 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3065 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3066 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3067 pkt_dts+1<ist->pts){
3068 input_files[ist->file_index].ts_offset -= delta;
3069 av_log(NULL, AV_LOG_DEBUG,
3070 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3071 delta, input_files[ist->file_index].ts_offset);
3072 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3073 if (pkt.pts != AV_NOPTS_VALUE)
3074 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3077 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3078 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3079 pkt_dts+1<ist->pts){
3080 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3081 pkt.dts = AV_NOPTS_VALUE;
3083 if (pkt.pts != AV_NOPTS_VALUE){
3084 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3085 delta = pkt_pts - ist->next_dts;
3086 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3087 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3088 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3089 pkt.pts = AV_NOPTS_VALUE;
3095 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3096 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3098 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3099 ist->file_index, ist->st->index);
3102 av_free_packet(&pkt);
3107 av_free_packet(&pkt);
3109 /* dump report by using the output first video and audio streams */
3110 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3113 /* at the end of stream, we must flush the decoder buffers */
3114 for (i = 0; i < nb_input_streams; i++) {
3115 ist = &input_streams[i];
3116 if (ist->decoding_needed) {
3117 output_packet(ist, output_streams, nb_output_streams, NULL);
3120 flush_encoders(output_streams, nb_output_streams);
3124 /* write the trailer if needed and close file */
3125 for (i = 0; i < nb_output_files; i++) {
3126 os = output_files[i].ctx;
3127 av_write_trailer(os);
3130 /* dump report by using the first video and audio streams */
3131 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3133 /* close each encoder */
3134 for (i = 0; i < nb_output_streams; i++) {
3135 ost = &output_streams[i];
3136 if (ost->encoding_needed) {
3137 av_freep(&ost->st->codec->stats_in);
3138 avcodec_close(ost->st->codec);
3141 avfilter_graph_free(&ost->graph);
3145 /* close each decoder */
3146 for (i = 0; i < nb_input_streams; i++) {
3147 ist = &input_streams[i];
3148 if (ist->decoding_needed) {
3149 avcodec_close(ist->st->codec);
3157 av_freep(&no_packet);
3159 if (output_streams) {
3160 for (i = 0; i < nb_output_streams; i++) {
3161 ost = &output_streams[i];
3163 if (ost->stream_copy)
3164 av_freep(&ost->st->codec->extradata);
3166 fclose(ost->logfile);
3167 ost->logfile = NULL;
3169 av_fifo_free(ost->fifo); /* works even if fifo is not
3170 initialized but set to zero */
3171 av_freep(&ost->st->codec->subtitle_header);
3172 av_free(ost->resample_frame.data[0]);
3173 av_free(ost->forced_kf_pts);
3174 if (ost->video_resample)
3175 sws_freeContext(ost->img_resample_ctx);
3176 swr_free(&ost->swr);
3177 av_dict_free(&ost->opts);
3184 static int opt_frame_crop(const char *opt, const char *arg)
3186 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3187 return AVERROR(EINVAL);
3190 static int opt_pad(const char *opt, const char *arg)
3192 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3196 static int opt_video_channel(const char *opt, const char *arg)
3198 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3199 return opt_default("channel", arg);
3202 static int opt_video_standard(const char *opt, const char *arg)
3204 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3205 return opt_default("standard", arg);
3208 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3210 audio_codec_name = arg;
3211 return parse_option(o, "codec:a", arg, options);
3214 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3216 video_codec_name = arg;
3217 return parse_option(o, "codec:v", arg, options);
3220 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3222 subtitle_codec_name = arg;
3223 return parse_option(o, "codec:s", arg, options);
3226 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3228 return parse_option(o, "codec:d", arg, options);
3231 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3233 StreamMap *m = NULL;
3234 int i, negative = 0, file_idx;
3235 int sync_file_idx = -1, sync_stream_idx = 0;
3243 map = av_strdup(arg);
3245 /* parse sync stream first, just pick first matching stream */
3246 if (sync = strchr(map, ',')) {
3248 sync_file_idx = strtol(sync + 1, &sync, 0);
3249 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3250 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3255 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3256 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3257 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3258 sync_stream_idx = i;
3261 if (i == input_files[sync_file_idx].nb_streams) {
3262 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3263 "match any streams.\n", arg);
3269 file_idx = strtol(map, &p, 0);
3270 if (file_idx >= nb_input_files || file_idx < 0) {
3271 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3275 /* disable some already defined maps */
3276 for (i = 0; i < o->nb_stream_maps; i++) {
3277 m = &o->stream_maps[i];
3278 if (file_idx == m->file_index &&
3279 check_stream_specifier(input_files[m->file_index].ctx,
3280 input_files[m->file_index].ctx->streams[m->stream_index],
3281 *p == ':' ? p + 1 : p) > 0)
3285 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3286 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3287 *p == ':' ? p + 1 : p) <= 0)
3289 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3290 &o->nb_stream_maps, o->nb_stream_maps + 1);
3291 m = &o->stream_maps[o->nb_stream_maps - 1];
3293 m->file_index = file_idx;
3294 m->stream_index = i;
3296 if (sync_file_idx >= 0) {
3297 m->sync_file_index = sync_file_idx;
3298 m->sync_stream_index = sync_stream_idx;
3300 m->sync_file_index = file_idx;
3301 m->sync_stream_index = i;
3306 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3314 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3316 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3317 &o->nb_attachments, o->nb_attachments + 1);
3318 o->attachments[o->nb_attachments - 1] = arg;
3322 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3328 o->audio_channel_maps =
3329 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3330 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3331 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3333 /* muted channel syntax */
3334 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3335 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3336 m->file_idx = m->stream_idx = -1;
3338 m->ofile_idx = m->ostream_idx = -1;
3343 n = sscanf(arg, "%d.%d.%d:%d.%d",
3344 &m->file_idx, &m->stream_idx, &m->channel_idx,
3345 &m->ofile_idx, &m->ostream_idx);
3347 if (n != 3 && n != 5) {
3348 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3349 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3353 if (n != 5) // only file.stream.channel specified
3354 m->ofile_idx = m->ostream_idx = -1;
3357 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3358 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3362 if (m->stream_idx < 0 ||
3363 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3364 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3365 m->file_idx, m->stream_idx);
3368 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3369 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3370 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3371 m->file_idx, m->stream_idx);
3374 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3375 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3376 m->file_idx, m->stream_idx, m->channel_idx);
3383 * Parse a metadata specifier in arg.
3384 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3385 * @param index for type c/p, chapter/program index is written here
3386 * @param stream_spec for type s, the stream specifier is written here
3388 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3396 if (*(++arg) && *arg != ':') {
3397 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3400 *stream_spec = *arg == ':' ? arg + 1 : "";
3404 if (*(++arg) == ':')
3405 *index = strtol(++arg, NULL, 0);
3408 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3415 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3417 AVDictionary **meta_in = NULL;
3418 AVDictionary **meta_out = NULL;
3420 char type_in, type_out;
3421 const char *istream_spec = NULL, *ostream_spec = NULL;
3422 int idx_in = 0, idx_out = 0;
3424 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3425 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3427 if (type_in == 'g' || type_out == 'g')
3428 o->metadata_global_manual = 1;
3429 if (type_in == 's' || type_out == 's')
3430 o->metadata_streams_manual = 1;
3431 if (type_in == 'c' || type_out == 'c')
3432 o->metadata_chapters_manual = 1;
3434 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3435 if ((index) < 0 || (index) >= (nb_elems)) {\
3436 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3441 #define SET_DICT(type, meta, context, index)\
3444 meta = &context->metadata;\
3447 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3448 meta = &context->chapters[index]->metadata;\
3451 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3452 meta = &context->programs[index]->metadata;\
3456 SET_DICT(type_in, meta_in, ic, idx_in);
3457 SET_DICT(type_out, meta_out, oc, idx_out);
3459 /* for input streams choose first matching stream */
3460 if (type_in == 's') {
3461 for (i = 0; i < ic->nb_streams; i++) {
3462 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3463 meta_in = &ic->streams[i]->metadata;
3469 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3474 if (type_out == 's') {
3475 for (i = 0; i < oc->nb_streams; i++) {
3476 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3477 meta_out = &oc->streams[i]->metadata;
3478 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3483 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3488 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3491 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3492 struct tm time = *gmtime((time_t*)&recording_timestamp);
3493 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3494 parse_option(o, "metadata", buf, options);
3496 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3497 "tag instead.\n", opt);
3501 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3503 const char *codec_string = encoder ? "encoder" : "decoder";
3507 avcodec_find_encoder_by_name(name) :
3508 avcodec_find_decoder_by_name(name);
3510 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3513 if (codec->type != type) {
3514 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3520 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3522 char *codec_name = NULL;
3524 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3526 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3527 st->codec->codec_id = codec->id;
3530 return avcodec_find_decoder(st->codec->codec_id);
3534 * Add all the streams from the given input file to the global
3535 * list of input streams.
3537 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3540 char *next, *codec_tag = NULL;
3542 for (i = 0; i < ic->nb_streams; i++) {
3543 AVStream *st = ic->streams[i];
3544 AVCodecContext *dec = st->codec;
3547 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3548 ist = &input_streams[nb_input_streams - 1];
3550 ist->file_index = nb_input_files;
3552 st->discard = AVDISCARD_ALL;
3553 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3555 ist->ts_scale = 1.0;
3556 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3558 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3560 uint32_t tag = strtol(codec_tag, &next, 0);
3562 tag = AV_RL32(codec_tag);
3563 st->codec->codec_tag = tag;
3566 ist->dec = choose_decoder(o, ic, st);
3568 switch (dec->codec_type) {
3569 case AVMEDIA_TYPE_VIDEO:
3571 ist->dec = avcodec_find_decoder(dec->codec_id);
3573 dec->flags |= CODEC_FLAG_EMU_EDGE;
3577 case AVMEDIA_TYPE_AUDIO:
3578 case AVMEDIA_TYPE_DATA:
3579 case AVMEDIA_TYPE_SUBTITLE:
3581 ist->dec = avcodec_find_decoder(dec->codec_id);
3583 case AVMEDIA_TYPE_ATTACHMENT:
3584 case AVMEDIA_TYPE_UNKNOWN:
3592 static void assert_file_overwrite(const char *filename)
3594 if ((!file_overwrite || no_file_overwrite) &&
3595 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3596 av_strstart(filename, "file:", NULL))) {
3597 if (avio_check(filename, 0) == 0) {
3598 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3599 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3602 signal(SIGINT, SIG_DFL);
3603 if (!read_yesno()) {
3604 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
3610 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3617 static void dump_attachment(AVStream *st, const char *filename)
3620 AVIOContext *out = NULL;
3621 AVDictionaryEntry *e;
3623 if (!st->codec->extradata_size) {
3624 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3625 nb_input_files - 1, st->index);
3628 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3629 filename = e->value;
3631 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3632 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3636 assert_file_overwrite(filename);
3638 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3639 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3644 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3649 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3651 AVFormatContext *ic;
3652 AVInputFormat *file_iformat = NULL;
3656 AVDictionary **opts;
3657 int orig_nb_streams; // number of streams before avformat_find_stream_info
3660 if (!(file_iformat = av_find_input_format(o->format))) {
3661 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3666 if (!strcmp(filename, "-"))
3669 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3670 !strcmp(filename, "/dev/stdin");
3672 /* get default parameters from command line */
3673 ic = avformat_alloc_context();
3675 print_error(filename, AVERROR(ENOMEM));
3678 if (o->nb_audio_sample_rate) {
3679 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3680 av_dict_set(&format_opts, "sample_rate", buf, 0);
3682 if (o->nb_audio_channels) {
3683 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3684 av_dict_set(&format_opts, "channels", buf, 0);
3686 if (o->nb_frame_rates) {
3687 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3689 if (o->nb_frame_sizes) {
3690 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3692 if (o->nb_frame_pix_fmts)
3693 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3695 ic->video_codec_id = video_codec_name ?
3696 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3697 ic->audio_codec_id = audio_codec_name ?
3698 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3699 ic->subtitle_codec_id= subtitle_codec_name ?
3700 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3701 ic->flags |= AVFMT_FLAG_NONBLOCK;
3702 ic->interrupt_callback = int_cb;
3704 /* open the input file with generic avformat function */
3705 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3707 print_error(filename, err);
3710 assert_avoptions(format_opts);
3712 /* apply forced codec ids */
3713 for (i = 0; i < ic->nb_streams; i++)
3714 choose_decoder(o, ic, ic->streams[i]);
3716 /* Set AVCodecContext options for avformat_find_stream_info */
3717 opts = setup_find_stream_info_opts(ic, codec_opts);
3718 orig_nb_streams = ic->nb_streams;
3720 /* If not enough info to get the stream parameters, we decode the
3721 first frames to get it. (used in mpeg case for example) */
3722 ret = avformat_find_stream_info(ic, opts);
3724 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3725 avformat_close_input(&ic);
3729 timestamp = o->start_time;
3730 /* add the stream start time */
3731 if (ic->start_time != AV_NOPTS_VALUE)
3732 timestamp += ic->start_time;
3734 /* if seeking requested, we execute it */
3735 if (o->start_time != 0) {
3736 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3738 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3739 filename, (double)timestamp / AV_TIME_BASE);
3743 /* update the current parameters so that they match the one of the input stream */
3744 add_input_streams(o, ic);
3746 /* dump the file content */
3747 av_dump_format(ic, nb_input_files, filename, 0);
3749 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3750 input_files[nb_input_files - 1].ctx = ic;
3751 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3752 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3753 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3754 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3756 for (i = 0; i < o->nb_dump_attachment; i++) {
3759 for (j = 0; j < ic->nb_streams; j++) {
3760 AVStream *st = ic->streams[j];
3762 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3763 dump_attachment(st, o->dump_attachment[i].u.str);
3767 for (i = 0; i < orig_nb_streams; i++)
3768 av_dict_free(&opts[i]);
3771 reset_options(o, 1);
3775 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3780 for (p = kf; *p; p++)
3783 ost->forced_kf_count = n;
3784 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3785 if (!ost->forced_kf_pts) {
3786 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3789 for (i = 0; i < n; i++) {
3790 p = i ? strchr(p, ',') + 1 : kf;
3791 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3795 static uint8_t *get_line(AVIOContext *s)
3801 if (avio_open_dyn_buf(&line) < 0) {
3802 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3806 while ((c = avio_r8(s)) && c != '\n')
3809 avio_close_dyn_buf(line, &buf);
3814 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3817 char filename[1000];
3818 const char *base[3] = { getenv("AVCONV_DATADIR"),
3823 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3827 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3828 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3829 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3832 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3833 i != 1 ? "" : "/.avconv", preset_name);
3834 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3840 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3842 char *codec_name = NULL;
3844 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3846 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3847 NULL, ost->st->codec->codec_type);
3848 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3849 } else if (!strcmp(codec_name, "copy"))
3850 ost->stream_copy = 1;
3852 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3853 ost->st->codec->codec_id = ost->enc->id;
3857 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3860 AVStream *st = avformat_new_stream(oc, NULL);
3861 int idx = oc->nb_streams - 1, ret = 0;
3862 char *bsf = NULL, *next, *codec_tag = NULL;
3863 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3865 char *buf = NULL, *arg = NULL, *preset = NULL;
3866 AVIOContext *s = NULL;
3869 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3873 if (oc->nb_streams - 1 < o->nb_streamid_map)
3874 st->id = o->streamid_map[oc->nb_streams - 1];
3876 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3877 nb_output_streams + 1);
3878 ost = &output_streams[nb_output_streams - 1];
3879 ost->file_index = nb_output_files;
3882 st->codec->codec_type = type;
3883 choose_encoder(o, oc, ost);
3885 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3888 avcodec_get_context_defaults3(st->codec, ost->enc);
3889 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3891 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3892 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3895 if (!buf[0] || buf[0] == '#') {
3899 if (!(arg = strchr(buf, '='))) {
3900 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3904 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3906 } while (!s->eof_reached);
3910 av_log(NULL, AV_LOG_FATAL,
3911 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3912 preset, ost->file_index, ost->index);
3916 ost->max_frames = INT64_MAX;
3917 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3919 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3921 if (next = strchr(bsf, ','))
3923 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3924 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3928 bsfc_prev->next = bsfc;
3930 ost->bitstream_filters = bsfc;
3936 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3938 uint32_t tag = strtol(codec_tag, &next, 0);
3940 tag = AV_RL32(codec_tag);
3941 st->codec->codec_tag = tag;
3944 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3945 if (qscale >= 0 || same_quant) {
3946 st->codec->flags |= CODEC_FLAG_QSCALE;
3947 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3950 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3951 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3953 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3957 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3960 const char *p = str;
3967 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3974 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3978 AVCodecContext *video_enc;
3980 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3982 video_enc = st->codec;
3984 if (!ost->stream_copy) {
3985 const char *p = NULL;
3986 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3987 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3988 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3991 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3992 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3993 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3997 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3998 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3999 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
4003 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
4004 if (frame_aspect_ratio) {
4006 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
4007 q.num <= 0 || q.den <= 0) {
4008 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
4011 ost->frame_aspect_ratio = av_q2d(q);
4014 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4015 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4016 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4017 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4020 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4023 video_enc->gop_size = 0;
4024 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4026 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4027 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4030 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4032 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4034 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4035 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4038 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4041 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4042 for (i = 0; p; i++) {
4044 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4046 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4049 /* FIXME realloc failure */
4050 video_enc->rc_override =
4051 av_realloc(video_enc->rc_override,
4052 sizeof(RcOverride) * (i + 1));
4053 video_enc->rc_override[i].start_frame = start;
4054 video_enc->rc_override[i].end_frame = end;
4056 video_enc->rc_override[i].qscale = q;
4057 video_enc->rc_override[i].quality_factor = 1.0;
4060 video_enc->rc_override[i].qscale = 0;
4061 video_enc->rc_override[i].quality_factor = -q/100.0;
4066 video_enc->rc_override_count = i;
4067 if (!video_enc->rc_initial_buffer_occupancy)
4068 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4069 video_enc->intra_dc_precision = intra_dc_precision - 8;
4072 video_enc->flags|= CODEC_FLAG_PSNR;
4077 video_enc->flags |= CODEC_FLAG_PASS1;
4080 video_enc->flags |= CODEC_FLAG_PASS2;
4084 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4085 if (forced_key_frames)
4086 parse_forced_key_frames(forced_key_frames, ost);
4088 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4090 ost->top_field_first = -1;
4091 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4094 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4096 ost->avfilter = av_strdup(filters);
4099 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4105 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4110 AVCodecContext *audio_enc;
4112 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4115 audio_enc = st->codec;
4116 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4118 if (!ost->stream_copy) {
4119 char *sample_fmt = NULL;
4121 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4123 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4125 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4126 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4130 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4132 ost->rematrix_volume=1.0;
4133 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4136 /* check for channel mapping for this audio stream */
4137 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4138 AudioChannelMap *map = &o->audio_channel_maps[n];
4139 InputStream *ist = &input_streams[ost->source_index];
4140 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4141 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4142 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4143 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4144 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4146 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4147 ost->file_index, ost->st->index);
4154 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4158 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4159 if (!ost->stream_copy) {
4160 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4167 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4169 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4170 ost->stream_copy = 1;
4174 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4178 AVCodecContext *subtitle_enc;
4180 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4182 subtitle_enc = st->codec;
4184 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4189 /* arg format is "output-stream-index:streamid-value". */
4190 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4196 av_strlcpy(idx_str, arg, sizeof(idx_str));
4197 p = strchr(idx_str, ':');
4199 av_log(NULL, AV_LOG_FATAL,
4200 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4205 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4206 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4207 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4211 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4213 AVFormatContext *is = ifile->ctx;
4214 AVFormatContext *os = ofile->ctx;
4217 for (i = 0; i < is->nb_chapters; i++) {
4218 AVChapter *in_ch = is->chapters[i], *out_ch;
4219 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4220 AV_TIME_BASE_Q, in_ch->time_base);
4221 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4222 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4225 if (in_ch->end < ts_off)
4227 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4230 out_ch = av_mallocz(sizeof(AVChapter));
4232 return AVERROR(ENOMEM);
4234 out_ch->id = in_ch->id;
4235 out_ch->time_base = in_ch->time_base;
4236 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4237 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4240 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4243 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4245 return AVERROR(ENOMEM);
4246 os->chapters[os->nb_chapters - 1] = out_ch;
4251 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4254 AVFormatContext *ic = avformat_alloc_context();
4256 ic->interrupt_callback = int_cb;
4257 err = avformat_open_input(&ic, filename, NULL, NULL);
4260 /* copy stream format */
4261 for(i=0;i<ic->nb_streams;i++) {
4265 AVCodecContext *avctx;
4267 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4268 ost = new_output_stream(o, s, codec->type);
4273 // FIXME: a more elegant solution is needed
4274 memcpy(st, ic->streams[i], sizeof(AVStream));
4276 st->info = av_malloc(sizeof(*st->info));
4277 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4279 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4281 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4282 choose_sample_fmt(st, codec);
4283 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4284 choose_pixel_fmt(st, codec);
4287 avformat_close_input(&ic);
4291 static void opt_output_file(void *optctx, const char *filename)
4293 OptionsContext *o = optctx;
4294 AVFormatContext *oc;
4296 AVOutputFormat *file_oformat;
4300 if (!strcmp(filename, "-"))
4303 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4305 print_error(filename, err);
4308 file_oformat= oc->oformat;
4309 oc->interrupt_callback = int_cb;
4311 if (!strcmp(file_oformat->name, "ffm") &&
4312 av_strstart(filename, "http:", NULL)) {
4314 /* special case for files sent to ffserver: we get the stream
4315 parameters from ffserver */
4316 int err = read_ffserver_streams(o, oc, filename);
4318 print_error(filename, err);
4321 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4322 ost = &output_streams[j];
4323 for (i = 0; i < nb_input_streams; i++) {
4324 ist = &input_streams[i];
4325 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4327 ost->source_index= i;
4329 ist->st->discard = AVDISCARD_NONE;
4334 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));
4338 } else if (!o->nb_stream_maps) {
4339 /* pick the "best" stream of each type */
4340 #define NEW_STREAM(type, index)\
4342 ost = new_ ## type ## _stream(o, oc);\
4343 ost->source_index = index;\
4344 ost->sync_ist = &input_streams[index];\
4345 input_streams[index].discard = 0;\
4346 input_streams[index].st->discard = AVDISCARD_NONE;\
4349 /* video: highest resolution */
4350 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4351 int area = 0, idx = -1;
4352 for (i = 0; i < nb_input_streams; i++) {
4353 ist = &input_streams[i];
4354 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4355 ist->st->codec->width * ist->st->codec->height > area) {
4356 area = ist->st->codec->width * ist->st->codec->height;
4360 NEW_STREAM(video, idx);
4363 /* audio: most channels */
4364 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4365 int channels = 0, idx = -1;
4366 for (i = 0; i < nb_input_streams; i++) {
4367 ist = &input_streams[i];
4368 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4369 ist->st->codec->channels > channels) {
4370 channels = ist->st->codec->channels;
4374 NEW_STREAM(audio, idx);
4377 /* subtitles: pick first */
4378 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4379 for (i = 0; i < nb_input_streams; i++)
4380 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4381 NEW_STREAM(subtitle, i);
4385 /* do something with data? */
4387 for (i = 0; i < o->nb_stream_maps; i++) {
4388 StreamMap *map = &o->stream_maps[i];
4393 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4394 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4396 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4398 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4400 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4403 switch (ist->st->codec->codec_type) {
4404 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4405 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4406 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4407 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4408 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4410 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4411 map->file_index, map->stream_index);
4415 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4416 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4417 map->sync_stream_index];
4419 ist->st->discard = AVDISCARD_NONE;
4424 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
4425 AVDictionaryEntry *e;
4426 ost = &output_streams[i];
4428 if ( ost->stream_copy
4429 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
4430 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
4431 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
4435 /* handle attached files */
4436 for (i = 0; i < o->nb_attachments; i++) {
4438 uint8_t *attachment;
4442 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4443 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4447 if ((len = avio_size(pb)) <= 0) {
4448 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4452 if (!(attachment = av_malloc(len))) {
4453 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4457 avio_read(pb, attachment, len);
4459 ost = new_attachment_stream(o, oc);
4460 ost->stream_copy = 0;
4461 ost->source_index = -1;
4462 ost->attachment_filename = o->attachments[i];
4463 ost->st->codec->extradata = attachment;
4464 ost->st->codec->extradata_size = len;
4466 p = strrchr(o->attachments[i], '/');
4467 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4471 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4472 output_files[nb_output_files - 1].ctx = oc;
4473 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4474 output_files[nb_output_files - 1].recording_time = o->recording_time;
4475 if (o->recording_time != INT64_MAX)
4476 oc->duration = o->recording_time;
4477 output_files[nb_output_files - 1].start_time = o->start_time;
4478 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4479 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4481 /* check filename in case of an image number is expected */
4482 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4483 if (!av_filename_number_test(oc->filename)) {
4484 print_error(oc->filename, AVERROR(EINVAL));
4489 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4490 /* test if it already exists to avoid losing precious files */
4491 assert_file_overwrite(filename);
4494 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4495 &oc->interrupt_callback,
4496 &output_files[nb_output_files - 1].opts)) < 0) {
4497 print_error(filename, err);
4502 if (o->mux_preload) {
4504 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4505 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4507 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4510 for (i = 0; i < o->nb_metadata_map; i++) {
4512 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4514 if (in_file_index < 0)
4516 if (in_file_index >= nb_input_files) {
4517 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4520 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4524 if (o->chapters_input_file >= nb_input_files) {
4525 if (o->chapters_input_file == INT_MAX) {
4526 /* copy chapters from the first input file that has them*/
4527 o->chapters_input_file = -1;
4528 for (i = 0; i < nb_input_files; i++)
4529 if (input_files[i].ctx->nb_chapters) {
4530 o->chapters_input_file = i;
4534 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4535 o->chapters_input_file);
4539 if (o->chapters_input_file >= 0)
4540 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4541 !o->metadata_chapters_manual);
4543 /* copy global metadata by default */
4544 if (!o->metadata_global_manual && nb_input_files){
4545 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4546 AV_DICT_DONT_OVERWRITE);
4547 if(o->recording_time != INT64_MAX)
4548 av_dict_set(&oc->metadata, "duration", NULL, 0);
4550 if (!o->metadata_streams_manual)
4551 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4553 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4555 ist = &input_streams[output_streams[i].source_index];
4556 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4559 /* process manually set metadata */
4560 for (i = 0; i < o->nb_metadata; i++) {
4563 const char *stream_spec;
4564 int index = 0, j, ret = 0;
4566 val = strchr(o->metadata[i].u.str, '=');
4568 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4569 o->metadata[i].u.str);
4574 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4576 for (j = 0; j < oc->nb_streams; j++) {
4577 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4578 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4582 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4590 if (index < 0 || index >= oc->nb_chapters) {
4591 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4594 m = &oc->chapters[index]->metadata;
4597 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4600 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4604 reset_options(o, 0);
4607 /* same option as mencoder */
4608 static int opt_pass(const char *opt, const char *arg)
4610 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4614 static int64_t getutime(void)
4617 struct rusage rusage;
4619 getrusage(RUSAGE_SELF, &rusage);
4620 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4621 #elif HAVE_GETPROCESSTIMES
4623 FILETIME c, e, k, u;
4624 proc = GetCurrentProcess();
4625 GetProcessTimes(proc, &c, &e, &k, &u);
4626 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4628 return av_gettime();
4632 static int64_t getmaxrss(void)
4634 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4635 struct rusage rusage;
4636 getrusage(RUSAGE_SELF, &rusage);
4637 return (int64_t)rusage.ru_maxrss * 1024;
4638 #elif HAVE_GETPROCESSMEMORYINFO
4640 PROCESS_MEMORY_COUNTERS memcounters;
4641 proc = GetCurrentProcess();
4642 memcounters.cb = sizeof(memcounters);
4643 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4644 return memcounters.PeakPagefileUsage;
4650 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4652 return parse_option(o, "q:a", arg, options);
4655 static void show_usage(void)
4657 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4658 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4659 av_log(NULL, AV_LOG_INFO, "\n");
4662 static int opt_help(const char *opt, const char *arg)
4664 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4665 av_log_set_callback(log_callback_help);
4667 show_help_options(options, "Main options:\n",
4668 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4669 show_help_options(options, "\nAdvanced options:\n",
4670 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4672 show_help_options(options, "\nVideo options:\n",
4673 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4675 show_help_options(options, "\nAdvanced Video options:\n",
4676 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4677 OPT_VIDEO | OPT_EXPERT);
4678 show_help_options(options, "\nAudio options:\n",
4679 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4681 show_help_options(options, "\nAdvanced Audio options:\n",
4682 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4683 OPT_AUDIO | OPT_EXPERT);
4684 show_help_options(options, "\nSubtitle options:\n",
4685 OPT_SUBTITLE | OPT_GRAB,
4687 show_help_options(options, "\nAudio/Video grab options:\n",
4691 show_help_children(avcodec_get_class(), flags);
4692 show_help_children(avformat_get_class(), flags);
4693 show_help_children(sws_get_class(), flags);
4698 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4700 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4701 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4703 if (!strncmp(arg, "pal-", 4)) {
4706 } else if (!strncmp(arg, "ntsc-", 5)) {
4709 } else if (!strncmp(arg, "film-", 5)) {
4713 /* Try to determine PAL/NTSC by peeking in the input files */
4714 if (nb_input_files) {
4716 for (j = 0; j < nb_input_files; j++) {
4717 for (i = 0; i < input_files[j].nb_streams; i++) {
4718 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4719 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4721 fr = c->time_base.den * 1000 / c->time_base.num;
4725 } else if ((fr == 29970) || (fr == 23976)) {
4730 if (norm != UNKNOWN)
4734 if (norm != UNKNOWN)
4735 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4738 if (norm == UNKNOWN) {
4739 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4740 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4741 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4745 if (!strcmp(arg, "vcd")) {
4746 opt_video_codec(o, "c:v", "mpeg1video");
4747 opt_audio_codec(o, "c:a", "mp2");
4748 parse_option(o, "f", "vcd", options);
4750 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4751 parse_option(o, "r", frame_rates[norm], options);
4752 opt_default("g", norm == PAL ? "15" : "18");
4754 opt_default("b:v", "1150000");
4755 opt_default("maxrate", "1150000");
4756 opt_default("minrate", "1150000");
4757 opt_default("bufsize", "327680"); // 40*1024*8;
4759 opt_default("b:a", "224000");
4760 parse_option(o, "ar", "44100", options);
4761 parse_option(o, "ac", "2", options);
4763 opt_default("packetsize", "2324");
4764 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4766 /* We have to offset the PTS, so that it is consistent with the SCR.
4767 SCR starts at 36000, but the first two packs contain only padding
4768 and the first pack from the other stream, respectively, may also have
4769 been written before.
4770 So the real data starts at SCR 36000+3*1200. */
4771 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4772 } else if (!strcmp(arg, "svcd")) {
4774 opt_video_codec(o, "c:v", "mpeg2video");
4775 opt_audio_codec(o, "c:a", "mp2");
4776 parse_option(o, "f", "svcd", options);
4778 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4779 parse_option(o, "r", frame_rates[norm], options);
4780 parse_option(o, "pix_fmt", "yuv420p", options);
4781 opt_default("g", norm == PAL ? "15" : "18");
4783 opt_default("b:v", "2040000");
4784 opt_default("maxrate", "2516000");
4785 opt_default("minrate", "0"); // 1145000;
4786 opt_default("bufsize", "1835008"); // 224*1024*8;
4787 opt_default("flags", "+scan_offset");
4790 opt_default("b:a", "224000");
4791 parse_option(o, "ar", "44100", options);
4793 opt_default("packetsize", "2324");
4795 } else if (!strcmp(arg, "dvd")) {
4797 opt_video_codec(o, "c:v", "mpeg2video");
4798 opt_audio_codec(o, "c:a", "ac3");
4799 parse_option(o, "f", "dvd", options);
4801 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4802 parse_option(o, "r", frame_rates[norm], options);
4803 parse_option(o, "pix_fmt", "yuv420p", options);
4804 opt_default("g", norm == PAL ? "15" : "18");
4806 opt_default("b:v", "6000000");
4807 opt_default("maxrate", "9000000");
4808 opt_default("minrate", "0"); // 1500000;
4809 opt_default("bufsize", "1835008"); // 224*1024*8;
4811 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4812 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4814 opt_default("b:a", "448000");
4815 parse_option(o, "ar", "48000", options);
4817 } else if (!strncmp(arg, "dv", 2)) {
4819 parse_option(o, "f", "dv", options);
4821 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4822 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4823 norm == PAL ? "yuv420p" : "yuv411p", options);
4824 parse_option(o, "r", frame_rates[norm], options);
4826 parse_option(o, "ar", "48000", options);
4827 parse_option(o, "ac", "2", options);
4830 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4831 return AVERROR(EINVAL);
4836 static int opt_vstats_file(const char *opt, const char *arg)
4838 av_free (vstats_filename);
4839 vstats_filename = av_strdup (arg);
4843 static int opt_vstats(const char *opt, const char *arg)
4846 time_t today2 = time(NULL);
4847 struct tm *today = localtime(&today2);
4849 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4851 return opt_vstats_file(opt, filename);
4854 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4856 return parse_option(o, "frames:v", arg, options);
4859 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4861 return parse_option(o, "frames:a", arg, options);
4864 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4866 return parse_option(o, "frames:d", arg, options);
4869 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4872 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4873 const char *codec_name = *opt == 'v' ? video_codec_name :
4874 *opt == 'a' ? audio_codec_name :
4875 subtitle_codec_name;
4877 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4878 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4879 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4881 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4886 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4887 if(line[0] == '#' && !e)
4889 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4891 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4894 if(!strcmp(tmp, "acodec")){
4895 opt_audio_codec(o, tmp, tmp2);
4896 }else if(!strcmp(tmp, "vcodec")){
4897 opt_video_codec(o, tmp, tmp2);
4898 }else if(!strcmp(tmp, "scodec")){
4899 opt_subtitle_codec(o, tmp, tmp2);
4900 }else if(!strcmp(tmp, "dcodec")){
4901 opt_data_codec(o, tmp, tmp2);
4902 }else if(opt_default(tmp, tmp2) < 0){
4903 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4913 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4917 static int opt_passlogfile(const char *opt, const char *arg)
4919 pass_logfilename_prefix = arg;
4920 #if CONFIG_LIBX264_ENCODER
4921 return opt_default(opt, arg);
4927 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4929 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4930 int ret = parse_option(o, s, arg, options);
4935 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4937 if(!strcmp(opt, "b")){
4938 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4939 return parse_option(o, "b:v", arg, options);
4941 return opt_default(opt, arg);
4944 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
4948 if(!strcmp(opt, "qscale")){
4949 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
4950 return parse_option(o, "q:v", arg, options);
4952 s = av_asprintf("q%s", opt + 6);
4953 ret = parse_option(o, s, arg, options);
4958 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4960 return parse_option(o, "filter:v", arg, options);
4963 static int opt_vsync(const char *opt, const char *arg)
4965 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4966 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4967 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4968 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
4970 if (video_sync_method == VSYNC_AUTO)
4971 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4975 static int opt_deinterlace(const char *opt, const char *arg)
4977 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4982 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
4984 int idx = locate_option(argc, argv, options, "cpuflags");
4985 if (idx && argv[idx + 1])
4986 opt_cpuflags("cpuflags", argv[idx + 1]);
4989 #define OFFSET(x) offsetof(OptionsContext, x)
4990 static const OptionDef options[] = {
4992 #include "cmdutils_common_opts.h"
4993 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4994 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4995 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4996 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4997 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4998 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4999 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
5000 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
5001 { "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]" },
5002 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
5003 "outfile[,metadata]:infile[,metadata]" },
5004 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
5005 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
5006 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
5007 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
5008 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
5009 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
5010 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
5011 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
5012 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
5013 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
5014 "add timings for benchmarking" },
5015 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
5016 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
5017 "dump each input packet" },
5018 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
5019 "when dumping packets, also dump the payload" },
5020 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
5021 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
5022 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
5023 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
5024 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5025 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5026 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
5027 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5028 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5029 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5030 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5031 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5032 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5033 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5034 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5035 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5037 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5039 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5040 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5041 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5042 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5045 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5046 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5047 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5048 { "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" },
5049 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5050 { "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" },
5051 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5052 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5053 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5054 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5055 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5056 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5057 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5058 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5059 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5060 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
5061 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5062 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5063 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5064 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5065 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5066 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5067 "use same quantizer as source (implies VBR)" },
5068 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5069 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5070 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5071 "this option is deprecated, use the yadif filter instead" },
5072 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5073 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5074 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5076 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5078 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5079 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5080 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5081 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5082 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5083 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5084 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5085 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5086 { "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" },
5087 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5090 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5091 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5092 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5093 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5094 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5095 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5096 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5097 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5098 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5099 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5101 /* subtitle options */
5102 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5103 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5104 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5107 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5108 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5109 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5112 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5113 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5115 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5116 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5117 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5119 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5120 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5121 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5122 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5123 /* data codec support */
5124 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5125 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5127 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5131 int main(int argc, char **argv)
5133 OptionsContext o = { 0 };
5136 reset_options(&o, 0);
5138 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5139 parse_loglevel(argc, argv, options);
5141 if(argc>1 && !strcmp(argv[1], "-d")){
5143 av_log_set_callback(log_callback_null);
5148 avcodec_register_all();
5150 avdevice_register_all();
5153 avfilter_register_all();
5156 avformat_network_init();
5158 show_banner(argc, argv, options);
5162 parse_cpuflags(argc, argv, options);
5165 parse_options(&o, argc, argv, options, opt_output_file);
5167 if (nb_output_files <= 0 && nb_input_files == 0) {
5169 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5173 /* file converter / grab */
5174 if (nb_output_files <= 0) {
5175 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5179 if (nb_input_files == 0) {
5180 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5185 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5187 ti = getutime() - ti;
5189 int maxrss = getmaxrss() / 1024;
5190 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);