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 "libavformat/os_support.h"
53 #include "libswresample/swresample.h"
55 #include "libavformat/ffm.h" // not public API
58 # include "libavfilter/avcodec.h"
59 # include "libavfilter/avfilter.h"
60 # include "libavfilter/avfiltergraph.h"
61 # include "libavfilter/buffersink.h"
62 # include "libavfilter/buffersrc.h"
63 # include "libavfilter/vsrc_buffer.h"
66 #if HAVE_SYS_RESOURCE_H
67 #include <sys/types.h>
69 #include <sys/resource.h>
70 #elif HAVE_GETPROCESSTIMES
73 #if HAVE_GETPROCESSMEMORYINFO
79 #include <sys/select.h>
84 #include <sys/ioctl.h>
94 #include "libavutil/avassert.h"
96 const char program_name[] = "ffmpeg";
97 const int program_birth_year = 2000;
99 /* select an input stream for an output stream */
100 typedef struct StreamMap {
101 int disabled; /** 1 is this mapping is disabled by a negative map */
105 int sync_stream_index;
109 int file_idx, stream_idx, channel_idx; // input
110 int ofile_idx, ostream_idx; // output
114 * select an input file for an output file
116 typedef struct MetadataMap {
117 int file; ///< file index
118 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
119 int index; ///< stream/chapter/program number
122 static const OptionDef options[];
124 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
126 static int frame_bits_per_raw_sample = 0;
127 static int video_discard = 0;
128 static int same_quant = 0;
129 static int do_deinterlace = 0;
130 static int intra_dc_precision = 8;
131 static int loop_input = 0;
132 static int loop_output = AVFMT_NOOUTPUTLOOP;
133 static int qp_hist = 0;
134 static int intra_only = 0;
135 static const char *video_codec_name = NULL;
136 static const char *audio_codec_name = NULL;
137 static const char *subtitle_codec_name = NULL;
139 static int file_overwrite = 0;
140 static int no_file_overwrite = 0;
141 static int do_benchmark = 0;
142 static int do_hex_dump = 0;
143 static int do_pkt_dump = 0;
144 static int do_psnr = 0;
145 static int do_pass = 0;
146 static const char *pass_logfilename_prefix;
147 static int video_sync_method= -1;
148 static int audio_sync_method= 0;
149 static float audio_drift_threshold= 0.1;
150 static int copy_ts= 0;
151 static int copy_tb= -1;
152 static int opt_shortest = 0;
153 static char *vstats_filename;
154 static FILE *vstats_file;
156 static int audio_volume = 256;
158 static int exit_on_error = 0;
159 static int using_stdin = 0;
160 static int run_as_daemon = 0;
161 static volatile int received_nb_signals = 0;
162 static int64_t video_size = 0;
163 static int64_t audio_size = 0;
164 static int64_t extra_size = 0;
165 static int nb_frames_dup = 0;
166 static int nb_frames_drop = 0;
167 static int input_sync;
169 static float dts_delta_threshold = 10;
171 static int print_stats = 1;
173 static uint8_t *audio_buf;
174 static uint8_t *audio_out;
175 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
177 static uint8_t *input_tmp= NULL;
179 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
181 typedef struct FrameBuffer {
187 enum PixelFormat pix_fmt;
190 struct InputStream *ist;
191 struct FrameBuffer *next;
194 typedef struct InputStream {
197 int discard; /* true if stream data should be discarded */
198 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
200 AVFrame *decoded_frame;
201 AVFrame *filtered_frame;
203 int64_t start; /* time when read started */
204 int64_t next_pts; /* synthetic pts for cases where pkt.pts
206 int64_t pts; /* current pts */
208 int is_start; /* is 1 at the start and after a discontinuity */
209 int showed_multi_packet_warning;
212 /* a pool of free buffers for decoded data */
213 FrameBuffer *buffer_pool;
217 typedef struct InputFile {
218 AVFormatContext *ctx;
219 int eof_reached; /* true if eof reached */
220 int ist_index; /* index of first stream in input_streams */
221 int buffer_size; /* current total buffer size */
223 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
224 from ctx.nb_streams if new streams appear during av_read_frame() */
228 typedef struct OutputStream {
229 int file_index; /* file index */
230 int index; /* stream index in the output file */
231 int source_index; /* InputStream index */
232 AVStream *st; /* stream in the output file */
233 int encoding_needed; /* true if encoding needed for this stream */
235 /* input pts and corresponding output pts
237 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
238 struct InputStream *sync_ist; /* input stream to sync against */
239 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
240 AVBitStreamFilterContext *bitstream_filters;
246 AVFrame resample_frame; /* temporary frame for image resampling */
247 struct SwsContext *img_resample_ctx; /* for image resampling */
250 int resample_pix_fmt;
251 AVRational frame_rate;
255 float frame_aspect_ratio;
257 /* forced key frames */
258 int64_t *forced_kf_pts;
264 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
265 int audio_channels_mapped; ///< number of channels in audio_channels_map
266 int resample_sample_fmt;
267 int resample_channels;
268 int resample_sample_rate;
269 float rematrix_volume;
270 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
273 struct SwrContext *swr;
276 AVFilterContext *output_video_filter;
277 AVFilterContext *input_video_filter;
278 AVFilterBufferRef *picref;
280 AVFilterGraph *graph;
285 int is_past_recording_time;
287 const char *attachment_filename;
288 int copy_initial_nonkeyframes;
294 /* init terminal so that we can grab keys */
295 static struct termios oldtty;
298 typedef struct OutputFile {
299 AVFormatContext *ctx;
301 int ost_index; /* index of the first stream in output_streams */
302 int64_t recording_time; /* desired length of the resulting file in microseconds */
303 int64_t start_time; /* start time in microseconds */
304 uint64_t limit_filesize;
307 static InputStream *input_streams = NULL;
308 static int nb_input_streams = 0;
309 static InputFile *input_files = NULL;
310 static int nb_input_files = 0;
312 static OutputStream *output_streams = NULL;
313 static int nb_output_streams = 0;
314 static OutputFile *output_files = NULL;
315 static int nb_output_files = 0;
317 typedef struct OptionsContext {
318 /* input/output options */
322 SpecifierOpt *codec_names;
324 SpecifierOpt *audio_channels;
325 int nb_audio_channels;
326 SpecifierOpt *audio_sample_rate;
327 int nb_audio_sample_rate;
328 SpecifierOpt *rematrix_volume;
329 int nb_rematrix_volume;
330 SpecifierOpt *frame_rates;
332 SpecifierOpt *frame_sizes;
334 SpecifierOpt *frame_pix_fmts;
335 int nb_frame_pix_fmts;
338 int64_t input_ts_offset;
341 SpecifierOpt *ts_scale;
343 SpecifierOpt *dump_attachment;
344 int nb_dump_attachment;
347 StreamMap *stream_maps;
349 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
350 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
351 /* first item specifies output metadata, second is input */
352 MetadataMap (*meta_data_maps)[2];
353 int nb_meta_data_maps;
354 int metadata_global_manual;
355 int metadata_streams_manual;
356 int metadata_chapters_manual;
357 const char **attachments;
360 int chapters_input_file;
362 int64_t recording_time;
363 uint64_t limit_filesize;
369 int subtitle_disable;
372 /* indexed by output file stream index */
376 SpecifierOpt *metadata;
378 SpecifierOpt *max_frames;
380 SpecifierOpt *bitstream_filters;
381 int nb_bitstream_filters;
382 SpecifierOpt *codec_tags;
384 SpecifierOpt *sample_fmts;
386 SpecifierOpt *qscale;
388 SpecifierOpt *forced_key_frames;
389 int nb_forced_key_frames;
390 SpecifierOpt *force_fps;
392 SpecifierOpt *frame_aspect_ratios;
393 int nb_frame_aspect_ratios;
394 SpecifierOpt *rc_overrides;
396 SpecifierOpt *intra_matrices;
397 int nb_intra_matrices;
398 SpecifierOpt *inter_matrices;
399 int nb_inter_matrices;
400 SpecifierOpt *top_field_first;
401 int nb_top_field_first;
402 SpecifierOpt *metadata_map;
404 SpecifierOpt *presets;
406 SpecifierOpt *copy_initial_nonkeyframes;
407 int nb_copy_initial_nonkeyframes;
409 SpecifierOpt *filters;
414 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
417 for (i = 0; i < o->nb_ ## name; i++) {\
418 char *spec = o->name[i].specifier;\
419 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
420 outvar = o->name[i].u.type;\
426 static void reset_options(OptionsContext *o, int is_input)
428 const OptionDef *po = options;
429 OptionsContext bak= *o;
431 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
433 void *dst = (uint8_t*)o + po->u.off;
435 if (po->flags & OPT_SPEC) {
436 SpecifierOpt **so = dst;
437 int i, *count = (int*)(so + 1);
438 for (i = 0; i < *count; i++) {
439 av_freep(&(*so)[i].specifier);
440 if (po->flags & OPT_STRING)
441 av_freep(&(*so)[i].u.str);
445 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
450 av_freep(&o->stream_maps);
451 av_freep(&o->audio_channel_maps);
452 av_freep(&o->meta_data_maps);
453 av_freep(&o->streamid_map);
455 memset(o, 0, sizeof(*o));
457 if(is_input) o->recording_time = bak.recording_time;
458 else o->recording_time = INT64_MAX;
459 o->mux_max_delay = 0.7;
460 o->limit_filesize = UINT64_MAX;
461 o->chapters_input_file = INT_MAX;
467 static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
469 AVCodecContext *s = ist->st->codec;
470 FrameBuffer *buf = av_mallocz(sizeof(*buf));
472 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
473 int h_chroma_shift, v_chroma_shift;
474 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
475 int w = s->width, h = s->height;
478 return AVERROR(ENOMEM);
480 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
485 avcodec_align_dimensions(s, &w, &h);
486 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
487 s->pix_fmt, 32)) < 0) {
491 /* XXX this shouldn't be needed, but some tests break without this line
492 * those decoders are buggy and need to be fixed.
493 * the following tests fail:
494 * bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
496 memset(buf->base[0], 128, ret);
498 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
499 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
500 const int h_shift = i==0 ? 0 : h_chroma_shift;
501 const int v_shift = i==0 ? 0 : v_chroma_shift;
502 if (s->flags & CODEC_FLAG_EMU_EDGE)
503 buf->data[i] = buf->base[i];
505 buf->data[i] = buf->base[i] +
506 FFALIGN((buf->linesize[i]*edge >> v_shift) +
507 (pixel_size*edge >> h_shift), 32);
511 buf->pix_fmt = s->pix_fmt;
518 static void free_buffer_pool(InputStream *ist)
520 FrameBuffer *buf = ist->buffer_pool;
522 ist->buffer_pool = buf->next;
523 av_freep(&buf->base[0]);
525 buf = ist->buffer_pool;
529 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
531 av_assert0(buf->refcount);
533 if (!buf->refcount) {
534 buf->next = ist->buffer_pool;
535 ist->buffer_pool = buf;
539 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
541 InputStream *ist = s->opaque;
545 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
548 buf = ist->buffer_pool;
549 ist->buffer_pool = buf->next;
551 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
552 av_freep(&buf->base[0]);
555 if ((ret = alloc_buffer(ist, &buf)) < 0)
561 frame->type = FF_BUFFER_TYPE_USER;
562 frame->extended_data = frame->data;
563 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
565 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
566 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
567 frame->data[i] = buf->data[i];
568 frame->linesize[i] = buf->linesize[i];
574 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
576 InputStream *ist = s->opaque;
577 FrameBuffer *buf = frame->opaque;
580 if(frame->type!=FF_BUFFER_TYPE_USER)
581 return avcodec_default_release_buffer(s, frame);
583 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
584 frame->data[i] = NULL;
586 unref_buffer(ist, buf);
589 static void filter_release_buffer(AVFilterBuffer *fb)
591 FrameBuffer *buf = fb->priv;
593 unref_buffer(buf->ist, buf);
598 static int configure_video_filters(InputStream *ist, OutputStream *ost)
600 AVFilterContext *last_filter, *filter;
601 /** filter graph containing all filters including input & output */
602 AVCodecContext *codec = ost->st->codec;
603 AVCodecContext *icodec = ist->st->codec;
604 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
605 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
606 AVRational sample_aspect_ratio;
610 ost->graph = avfilter_graph_alloc();
612 if (ist->st->sample_aspect_ratio.num){
613 sample_aspect_ratio = ist->st->sample_aspect_ratio;
615 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
617 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
618 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
619 sample_aspect_ratio.num, sample_aspect_ratio.den);
621 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
622 "src", args, NULL, ost->graph);
625 #if FF_API_OLD_VSINK_API
626 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
627 "out", NULL, pix_fmts, ost->graph);
629 buffersink_params->pixel_fmts = pix_fmts;
630 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
631 "out", NULL, buffersink_params, ost->graph);
633 av_freep(&buffersink_params);
636 last_filter = ost->input_video_filter;
638 if (codec->width != icodec->width || codec->height != icodec->height) {
639 snprintf(args, 255, "%d:%d:flags=0x%X",
642 (unsigned)ost->sws_flags);
643 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
644 NULL, args, NULL, ost->graph)) < 0)
646 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
648 last_filter = filter;
651 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
652 ost->graph->scale_sws_opts = av_strdup(args);
655 AVFilterInOut *outputs = avfilter_inout_alloc();
656 AVFilterInOut *inputs = avfilter_inout_alloc();
658 outputs->name = av_strdup("in");
659 outputs->filter_ctx = last_filter;
660 outputs->pad_idx = 0;
661 outputs->next = NULL;
663 inputs->name = av_strdup("out");
664 inputs->filter_ctx = ost->output_video_filter;
668 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
670 av_freep(&ost->avfilter);
672 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
676 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
679 codec->width = ost->output_video_filter->inputs[0]->w;
680 codec->height = ost->output_video_filter->inputs[0]->h;
681 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
682 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
683 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
684 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
688 #endif /* CONFIG_AVFILTER */
690 static void term_exit(void)
692 av_log(NULL, AV_LOG_QUIET, "%s", "");
695 tcsetattr (0, TCSANOW, &oldtty);
699 static volatile int received_sigterm = 0;
701 static void sigterm_handler(int sig)
703 received_sigterm = sig;
704 received_nb_signals++;
706 if(received_nb_signals > 3)
710 static void term_init(void)
720 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
721 |INLCR|IGNCR|ICRNL|IXON);
722 tty.c_oflag |= OPOST;
723 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
724 tty.c_cflag &= ~(CSIZE|PARENB);
729 tcsetattr (0, TCSANOW, &tty);
730 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
733 avformat_network_deinit();
735 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
736 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
738 signal(SIGXCPU, sigterm_handler);
742 /* read a key without blocking */
743 static int read_key(void)
755 n = select(1, &rfds, NULL, NULL, &tv);
764 # if HAVE_PEEKNAMEDPIPE
766 static HANDLE input_handle;
769 input_handle = GetStdHandle(STD_INPUT_HANDLE);
770 is_pipe = !GetConsoleMode(input_handle, &dw);
773 if (stdin->_cnt > 0) {
778 /* When running under a GUI, you will end here. */
779 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
796 static int decode_interrupt_cb(void *ctx)
798 return received_nb_signals > 1;
801 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
803 void av_noreturn exit_program(int ret)
808 for(i=0;i<nb_output_files;i++) {
809 AVFormatContext *s = output_files[i].ctx;
810 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
812 avformat_free_context(s);
813 av_dict_free(&output_files[i].opts);
815 for(i=0;i<nb_input_files;i++) {
816 avformat_close_input(&input_files[i].ctx);
818 for (i = 0; i < nb_input_streams; i++) {
819 av_freep(&input_streams[i].decoded_frame);
820 av_freep(&input_streams[i].filtered_frame);
821 av_dict_free(&input_streams[i].opts);
822 free_buffer_pool(&input_streams[i]);
827 av_free(vstats_filename);
829 av_freep(&input_streams);
830 av_freep(&input_files);
831 av_freep(&output_streams);
832 av_freep(&output_files);
837 allocated_audio_buf_size= allocated_audio_out_size= 0;
842 avformat_network_deinit();
844 av_freep(&input_tmp);
846 if (received_sigterm) {
847 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
848 (int) received_sigterm);
852 exit(ret); /* not all OS-es handle main() return value */
855 static void assert_avoptions(AVDictionary *m)
857 AVDictionaryEntry *t;
858 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
859 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
864 static void assert_codec_experimental(AVCodecContext *c, int encoder)
866 const char *codec_string = encoder ? "encoder" : "decoder";
868 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
869 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
870 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
871 "results.\nAdd '-strict experimental' if you want to use it.\n",
872 codec_string, c->codec->name);
873 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
874 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
875 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
876 codec_string, codec->name);
881 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
883 if(codec && codec->sample_fmts){
884 const enum AVSampleFormat *p= codec->sample_fmts;
886 if(*p == st->codec->sample_fmt)
890 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
891 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
892 if(av_get_sample_fmt_name(st->codec->sample_fmt))
893 av_log(NULL, AV_LOG_WARNING,
894 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
895 av_get_sample_fmt_name(st->codec->sample_fmt),
897 av_get_sample_fmt_name(codec->sample_fmts[0]));
898 st->codec->sample_fmt = codec->sample_fmts[0];
903 static void choose_sample_rate(AVStream *st, AVCodec *codec)
905 if(codec && codec->supported_samplerates){
906 const int *p= codec->supported_samplerates;
908 int best_dist=INT_MAX;
910 int dist= abs(st->codec->sample_rate - *p);
911 if(dist < best_dist){
917 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
919 st->codec->sample_rate= best;
923 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
925 if(codec && codec->pix_fmts){
926 const enum PixelFormat *p= codec->pix_fmts;
927 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
928 enum PixelFormat best= PIX_FMT_NONE;
929 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
930 if(st->codec->codec_id==CODEC_ID_MJPEG){
931 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
932 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
933 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
936 for (; *p != PIX_FMT_NONE; p++) {
937 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
938 if(*p == st->codec->pix_fmt)
941 if (*p == PIX_FMT_NONE) {
942 if(st->codec->pix_fmt != PIX_FMT_NONE)
943 av_log(NULL, AV_LOG_WARNING,
944 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
945 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
947 av_pix_fmt_descriptors[best].name);
948 st->codec->pix_fmt = best;
953 static double get_sync_ipts(const OutputStream *ost)
955 const InputStream *ist = ost->sync_ist;
956 OutputFile *of = &output_files[ost->file_index];
957 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
960 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc)
965 AVPacket new_pkt= *pkt;
966 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
967 &new_pkt.data, &new_pkt.size,
968 pkt->data, pkt->size,
969 pkt->flags & AV_PKT_FLAG_KEY);
972 new_pkt.destruct= av_destruct_packet;
974 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
975 bsfc->filter->name, pkt->stream_index,
976 avctx->codec ? avctx->codec->name : "copy");
986 ret= av_interleaved_write_frame(s, pkt);
988 print_error("av_interleaved_write_frame()", ret);
993 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
995 int fill_char = 0x00;
996 if (sample_fmt == AV_SAMPLE_FMT_U8)
998 memset(buf, fill_char, size);
1001 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1002 InputStream *ist, AVFrame *decoded_frame)
1005 int64_t audio_out_size, audio_buf_size;
1007 int size_out, frame_bytes, ret, resample_changed;
1008 AVCodecContext *enc= ost->st->codec;
1009 AVCodecContext *dec= ist->st->codec;
1010 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1011 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1012 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
1013 uint8_t *buf = decoded_frame->data[0];
1014 int size = decoded_frame->nb_samples * dec->channels * isize;
1015 int64_t allocated_for_size = size;
1018 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
1019 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1020 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
1021 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
1022 audio_buf_size*= osize*enc->channels;
1024 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
1025 if(coded_bps > 8*osize)
1026 audio_out_size= audio_out_size * coded_bps / (8*osize);
1027 audio_out_size += FF_MIN_BUFFER_SIZE;
1029 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
1030 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1034 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1035 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
1036 if (!audio_buf || !audio_out){
1037 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1041 if (enc->channels != dec->channels
1042 || enc->sample_fmt != dec->sample_fmt
1043 || enc->sample_rate!= dec->sample_rate
1045 ost->audio_resample = 1;
1047 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1048 ost->resample_channels != dec->channels ||
1049 ost->resample_sample_rate != dec->sample_rate;
1051 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1052 if (resample_changed) {
1053 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",
1054 ist->file_index, ist->st->index,
1055 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1056 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1057 ost->resample_sample_fmt = dec->sample_fmt;
1058 ost->resample_channels = dec->channels;
1059 ost->resample_sample_rate = dec->sample_rate;
1060 swr_free(&ost->swr);
1062 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1063 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1064 ost->resample_sample_fmt == enc->sample_fmt &&
1065 ost->resample_channels == enc->channels &&
1066 ost->resample_sample_rate == enc->sample_rate) {
1068 ost->audio_resample = 0;
1070 ost->swr = swr_alloc_set_opts(ost->swr,
1071 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1072 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1074 if (ost->audio_channels_mapped)
1075 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1076 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1077 if (ost->audio_channels_mapped) {
1078 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1079 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1081 av_opt_set_int(ost->swr, "ich", dec->channels, 0);
1082 av_opt_set_int(ost->swr, "och", enc->channels, 0);
1083 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1084 if(ost->swr && swr_init(ost->swr) < 0){
1085 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1086 swr_free(&ost->swr);
1090 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1091 dec->channels, dec->sample_rate,
1092 enc->channels, enc->sample_rate);
1098 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1100 if(audio_sync_method){
1101 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
1102 - av_fifo_size(ost->fifo)/(enc->channels * osize);
1103 int idelta = delta * dec->sample_rate / enc->sample_rate;
1104 int byte_delta = idelta * isize * dec->channels;
1106 //FIXME resample delay
1107 if(fabs(delta) > 50){
1108 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
1110 byte_delta= FFMAX(byte_delta, -size);
1113 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1114 -byte_delta / (isize * dec->channels));
1119 input_tmp= av_realloc(input_tmp, byte_delta + size);
1121 if(byte_delta > allocated_for_size - size){
1122 allocated_for_size= byte_delta + (int64_t)size;
1127 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1128 memcpy(input_tmp + byte_delta, buf, size);
1131 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1133 }else if(audio_sync_method>1){
1134 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
1135 av_assert0(ost->audio_resample);
1136 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1137 delta, comp, enc->sample_rate);
1138 // 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));
1139 swr_compensate(ost->swr, comp, enc->sample_rate);
1143 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
1144 - av_fifo_size(ost->fifo)/(enc->channels * osize); //FIXME wrong
1146 if (ost->audio_resample) {
1148 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1149 (const uint8_t*[]){buf }, size / (dec->channels * isize));
1150 size_out = size_out * enc->channels * osize;
1156 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1158 /* now encode as many frames as possible */
1159 if (enc->frame_size > 1) {
1160 /* output resampled raw samples */
1161 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1162 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1165 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1167 frame_bytes = enc->frame_size * osize * enc->channels;
1169 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1171 av_init_packet(&pkt);
1173 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1175 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1177 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1178 (short *)audio_buf);
1180 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1184 pkt.stream_index= ost->index;
1185 pkt.data= audio_out;
1187 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1188 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1189 pkt.flags |= AV_PKT_FLAG_KEY;
1190 write_frame(s, &pkt, enc, ost->bitstream_filters);
1192 ost->sync_opts += enc->frame_size;
1196 av_init_packet(&pkt);
1198 ost->sync_opts += size_out / (osize * enc->channels);
1200 /* output a pcm frame */
1201 /* determine the size of the coded buffer */
1204 size_out = size_out*coded_bps/8;
1206 if(size_out > audio_out_size){
1207 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1211 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1212 ret = avcodec_encode_audio(enc, audio_out, size_out,
1215 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1219 pkt.stream_index= ost->index;
1220 pkt.data= audio_out;
1222 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1223 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1224 pkt.flags |= AV_PKT_FLAG_KEY;
1225 write_frame(s, &pkt, enc, ost->bitstream_filters);
1229 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1231 AVCodecContext *dec;
1232 AVPicture *picture2;
1233 AVPicture picture_tmp;
1236 dec = ist->st->codec;
1238 /* deinterlace : must be done before any resize */
1239 if (do_deinterlace) {
1242 /* create temporary picture */
1243 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1244 buf = av_malloc(size);
1248 picture2 = &picture_tmp;
1249 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1251 if(avpicture_deinterlace(picture2, picture,
1252 dec->pix_fmt, dec->width, dec->height) < 0) {
1253 /* if error, do not deinterlace */
1254 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1263 if (picture != picture2)
1264 *picture = *picture2;
1268 static void do_subtitle_out(AVFormatContext *s,
1274 static uint8_t *subtitle_out = NULL;
1275 int subtitle_out_max_size = 1024 * 1024;
1276 int subtitle_out_size, nb, i;
1277 AVCodecContext *enc;
1280 if (pts == AV_NOPTS_VALUE) {
1281 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1287 enc = ost->st->codec;
1289 if (!subtitle_out) {
1290 subtitle_out = av_malloc(subtitle_out_max_size);
1293 /* Note: DVB subtitle need one packet to draw them and one other
1294 packet to clear them */
1295 /* XXX: signal it in the codec context ? */
1296 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1301 for(i = 0; i < nb; i++) {
1302 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1303 // start_display_time is required to be 0
1304 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1305 sub->end_display_time -= sub->start_display_time;
1306 sub->start_display_time = 0;
1307 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1308 subtitle_out_max_size, sub);
1309 if (subtitle_out_size < 0) {
1310 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1314 av_init_packet(&pkt);
1315 pkt.stream_index = ost->index;
1316 pkt.data = subtitle_out;
1317 pkt.size = subtitle_out_size;
1318 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1319 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1320 /* XXX: the pts correction is handled here. Maybe handling
1321 it in the codec would be better */
1323 pkt.pts += 90 * sub->start_display_time;
1325 pkt.pts += 90 * sub->end_display_time;
1327 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1331 static int bit_buffer_size= 1024*256;
1332 static uint8_t *bit_buffer= NULL;
1334 static void do_video_resample(OutputStream *ost,
1336 AVFrame *in_picture,
1337 AVFrame **out_picture)
1340 *out_picture = in_picture;
1342 AVCodecContext *dec = ist->st->codec;
1343 AVCodecContext *enc = ost->st->codec;
1344 int resample_changed = ost->resample_width != dec->width ||
1345 ost->resample_height != dec->height ||
1346 ost->resample_pix_fmt != dec->pix_fmt;
1348 *out_picture = in_picture;
1349 if (resample_changed) {
1350 av_log(NULL, AV_LOG_INFO,
1351 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1352 ist->file_index, ist->st->index,
1353 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1354 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1355 ost->resample_width = dec->width;
1356 ost->resample_height = dec->height;
1357 ost->resample_pix_fmt = dec->pix_fmt;
1360 ost->video_resample = dec->width != enc->width ||
1361 dec->height != enc->height ||
1362 dec->pix_fmt != enc->pix_fmt;
1364 if (ost->video_resample) {
1365 *out_picture = &ost->resample_frame;
1366 if (!ost->img_resample_ctx || resample_changed) {
1367 /* initialize the destination picture */
1368 if (!ost->resample_frame.data[0]) {
1369 avcodec_get_frame_defaults(&ost->resample_frame);
1370 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1371 enc->width, enc->height)) {
1372 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1376 /* initialize a new scaler context */
1377 sws_freeContext(ost->img_resample_ctx);
1378 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1379 enc->width, enc->height, enc->pix_fmt,
1380 ost->sws_flags, NULL, NULL, NULL);
1381 if (ost->img_resample_ctx == NULL) {
1382 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1386 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1387 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1393 static void do_video_out(AVFormatContext *s,
1396 AVFrame *in_picture,
1397 int *frame_size, float quality)
1399 int nb_frames, i, ret, format_video_sync;
1400 AVFrame *final_picture;
1401 AVCodecContext *enc;
1403 double duration = 0;
1405 enc = ost->st->codec;
1407 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1408 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1409 if(ist->st->avg_frame_rate.num)
1410 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1412 duration /= av_q2d(enc->time_base);
1415 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1417 /* by default, we output a single frame */
1422 format_video_sync = video_sync_method;
1423 if (format_video_sync < 0)
1424 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 : 2) : 1;
1426 if (format_video_sync) {
1427 double vdelta = sync_ipts - ost->sync_opts + duration;
1428 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1431 else if (format_video_sync == 2) {
1434 }else if(vdelta>0.6)
1435 ost->sync_opts= lrintf(sync_ipts);
1436 }else if (vdelta > 1.1)
1437 nb_frames = lrintf(vdelta);
1438 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1439 if (nb_frames == 0){
1441 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1442 }else if (nb_frames > 1) {
1443 nb_frames_dup += nb_frames - 1;
1444 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames-1);
1447 ost->sync_opts= lrintf(sync_ipts);
1449 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1453 do_video_resample(ost, ist, in_picture, &final_picture);
1455 /* duplicates frame if needed */
1456 for(i=0;i<nb_frames;i++) {
1458 av_init_packet(&pkt);
1459 pkt.stream_index= ost->index;
1461 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1462 enc->codec->id == CODEC_ID_RAWVIDEO) {
1463 /* raw pictures are written as AVPicture structure to
1464 avoid any copies. We support temporarily the older
1466 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1467 enc->coded_frame->top_field_first = in_picture->top_field_first;
1468 pkt.data= (uint8_t *)final_picture;
1469 pkt.size= sizeof(AVPicture);
1470 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1471 pkt.flags |= AV_PKT_FLAG_KEY;
1473 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1475 AVFrame big_picture;
1477 big_picture= *final_picture;
1478 /* better than nothing: use input picture interlaced
1480 big_picture.interlaced_frame = in_picture->interlaced_frame;
1481 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1482 if (ost->top_field_first == -1)
1483 big_picture.top_field_first = in_picture->top_field_first;
1485 big_picture.top_field_first = !!ost->top_field_first;
1488 /* handles same_quant here. This is not correct because it may
1489 not be a global option */
1490 big_picture.quality = quality;
1491 if (!enc->me_threshold)
1492 big_picture.pict_type = 0;
1493 // big_picture.pts = AV_NOPTS_VALUE;
1494 big_picture.pts= ost->sync_opts;
1495 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1496 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1497 if (ost->forced_kf_index < ost->forced_kf_count &&
1498 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1499 big_picture.pict_type = AV_PICTURE_TYPE_I;
1500 ost->forced_kf_index++;
1502 ret = avcodec_encode_video(enc,
1503 bit_buffer, bit_buffer_size,
1506 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1511 pkt.data= bit_buffer;
1513 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1514 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1515 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1516 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1517 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1519 if(enc->coded_frame->key_frame)
1520 pkt.flags |= AV_PKT_FLAG_KEY;
1521 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1524 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1525 // enc->frame_number-1, ret, enc->pict_type);
1526 /* if two pass, output log */
1527 if (ost->logfile && enc->stats_out) {
1528 fprintf(ost->logfile, "%s", enc->stats_out);
1533 ost->frame_number++;
1537 static double psnr(double d)
1539 return -10.0*log(d)/log(10.0);
1542 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1545 AVCodecContext *enc;
1547 double ti1, bitrate, avg_bitrate;
1549 /* this is executed just the first time do_video_stats is called */
1551 vstats_file = fopen(vstats_filename, "w");
1558 enc = ost->st->codec;
1559 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1560 frame_number = ost->frame_number;
1561 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1562 if (enc->flags&CODEC_FLAG_PSNR)
1563 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1565 fprintf(vstats_file,"f_size= %6d ", frame_size);
1566 /* compute pts value */
1567 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1571 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1572 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1573 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1574 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1575 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1579 static void print_report(OutputFile *output_files,
1580 OutputStream *ost_table, int nb_ostreams,
1581 int is_last_report, int64_t timer_start, int64_t cur_time)
1585 AVFormatContext *oc;
1587 AVCodecContext *enc;
1588 int frame_number, vid, i;
1590 int64_t pts = INT64_MAX;
1591 static int64_t last_time = -1;
1592 static int qp_histogram[52];
1593 int hours, mins, secs, us;
1595 if (!print_stats && !is_last_report)
1598 if (!is_last_report) {
1599 if (last_time == -1) {
1600 last_time = cur_time;
1603 if ((cur_time - last_time) < 500000)
1605 last_time = cur_time;
1609 oc = output_files[0].ctx;
1611 total_size = avio_size(oc->pb);
1612 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1613 total_size= avio_tell(oc->pb);
1620 for(i=0;i<nb_ostreams;i++) {
1622 ost = &ost_table[i];
1623 enc = ost->st->codec;
1624 if (!ost->stream_copy && enc->coded_frame)
1625 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1626 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1627 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1629 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1630 float t = (cur_time-timer_start) / 1000000.0;
1632 frame_number = ost->frame_number;
1633 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1634 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1636 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1640 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1643 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1645 if (enc->flags&CODEC_FLAG_PSNR){
1647 double error, error_sum=0;
1648 double scale, scale_sum=0;
1649 char type[3]= {'Y','U','V'};
1650 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1653 error= enc->error[j];
1654 scale= enc->width*enc->height*255.0*255.0*frame_number;
1656 error= enc->coded_frame->error[j];
1657 scale= enc->width*enc->height*255.0*255.0;
1662 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1664 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1668 /* compute min output value */
1669 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1670 ost->st->time_base, AV_TIME_BASE_Q));
1673 secs = pts / AV_TIME_BASE;
1674 us = pts % AV_TIME_BASE;
1680 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1682 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1683 "size=%8.0fkB time=", total_size / 1024.0);
1684 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1685 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1686 (100 * us) / AV_TIME_BASE);
1687 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1688 "bitrate=%6.1fkbits/s", bitrate);
1690 if (nb_frames_dup || nb_frames_drop)
1691 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1692 nb_frames_dup, nb_frames_drop);
1694 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1698 if (is_last_report) {
1699 int64_t raw= audio_size + video_size + extra_size;
1700 av_log(NULL, AV_LOG_INFO, "\n");
1701 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1705 100.0*(total_size - raw)/raw
1707 if(video_size + audio_size + extra_size == 0){
1708 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1713 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1717 for (i = 0; i < nb_ostreams; i++) {
1718 OutputStream *ost = &ost_table[i];
1719 AVCodecContext *enc = ost->st->codec;
1720 AVFormatContext *os = output_files[ost->file_index].ctx;
1722 if (!ost->encoding_needed)
1725 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1727 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1733 av_init_packet(&pkt);
1734 pkt.stream_index= ost->index;
1736 switch (ost->st->codec->codec_type) {
1737 case AVMEDIA_TYPE_AUDIO:
1738 fifo_bytes = av_fifo_size(ost->fifo);
1740 /* encode any samples remaining in fifo */
1741 if (fifo_bytes > 0) {
1742 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1743 int fs_tmp = enc->frame_size;
1745 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1746 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1747 enc->frame_size = fifo_bytes / (osize * enc->channels);
1749 int frame_bytes = enc->frame_size*osize*enc->channels;
1750 if (allocated_audio_buf_size < frame_bytes)
1752 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1755 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1756 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1757 ost->st->time_base.num, enc->sample_rate);
1758 enc->frame_size = fs_tmp;
1761 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1764 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1768 pkt.flags |= AV_PKT_FLAG_KEY;
1770 case AVMEDIA_TYPE_VIDEO:
1771 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1773 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1777 if(enc->coded_frame && enc->coded_frame->key_frame)
1778 pkt.flags |= AV_PKT_FLAG_KEY;
1779 if (ost->logfile && enc->stats_out) {
1780 fprintf(ost->logfile, "%s", enc->stats_out);
1789 pkt.data = bit_buffer;
1791 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1792 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1793 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1799 * Check whether a packet from ist should be written into ost at this time
1801 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1803 OutputFile *of = &output_files[ost->file_index];
1804 int ist_index = ist - input_streams;
1806 if (ost->source_index != ist_index)
1809 if (of->start_time && ist->pts < of->start_time)
1812 if (of->recording_time != INT64_MAX &&
1813 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1814 (AVRational){1, 1000000}) >= 0) {
1815 ost->is_past_recording_time = 1;
1822 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1824 OutputFile *of = &output_files[ost->file_index];
1825 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1829 av_init_packet(&opkt);
1831 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1832 !ost->copy_initial_nonkeyframes)
1835 /* force the input stream PTS */
1836 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1837 audio_size += pkt->size;
1838 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1839 video_size += pkt->size;
1843 opkt.stream_index = ost->index;
1844 if (pkt->pts != AV_NOPTS_VALUE)
1845 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1847 opkt.pts = AV_NOPTS_VALUE;
1849 if (pkt->dts == AV_NOPTS_VALUE)
1850 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1852 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1853 opkt.dts -= ost_tb_start_time;
1855 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1856 opkt.flags = pkt->flags;
1858 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1859 if( ost->st->codec->codec_id != CODEC_ID_H264
1860 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1861 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1863 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1864 opkt.destruct = av_destruct_packet;
1866 opkt.data = pkt->data;
1867 opkt.size = pkt->size;
1869 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1870 /* store AVPicture in AVPacket, as expected by the output format */
1871 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1872 opkt.data = (uint8_t *)&pict;
1873 opkt.size = sizeof(AVPicture);
1874 opkt.flags |= AV_PKT_FLAG_KEY;
1877 write_frame(of->ctx, &opkt, ost->st->codec, ost->bitstream_filters);
1878 ost->st->codec->frame_number++;
1879 ost->frame_number++;
1880 av_free_packet(&opkt);
1883 static void rate_emu_sleep(InputStream *ist)
1885 if (input_files[ist->file_index].rate_emu) {
1886 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1887 int64_t now = av_gettime() - ist->start;
1893 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1895 AVFrame *decoded_frame;
1896 AVCodecContext *avctx = ist->st->codec;
1897 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1900 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1901 return AVERROR(ENOMEM);
1903 avcodec_get_frame_defaults(ist->decoded_frame);
1904 decoded_frame = ist->decoded_frame;
1906 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1912 /* no audio frame */
1916 /* if the decoder provides a pts, use it instead of the last packet pts.
1917 the decoder could be delaying output by a packet or more. */
1918 if (decoded_frame->pts != AV_NOPTS_VALUE)
1919 ist->next_pts = decoded_frame->pts;
1921 /* increment next_pts to use for the case where the input stream does not
1922 have timestamps or there are multiple frames in the packet */
1923 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1926 // preprocess audio (volume)
1927 if (audio_volume != 256) {
1928 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1929 void *samples = decoded_frame->data[0];
1930 switch (avctx->sample_fmt) {
1931 case AV_SAMPLE_FMT_U8:
1933 uint8_t *volp = samples;
1934 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1935 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1936 *volp++ = av_clip_uint8(v);
1940 case AV_SAMPLE_FMT_S16:
1942 int16_t *volp = samples;
1943 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1944 int v = ((*volp) * audio_volume + 128) >> 8;
1945 *volp++ = av_clip_int16(v);
1949 case AV_SAMPLE_FMT_S32:
1951 int32_t *volp = samples;
1952 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1953 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1954 *volp++ = av_clipl_int32(v);
1958 case AV_SAMPLE_FMT_FLT:
1960 float *volp = samples;
1961 float scale = audio_volume / 256.f;
1962 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1967 case AV_SAMPLE_FMT_DBL:
1969 double *volp = samples;
1970 double scale = audio_volume / 256.;
1971 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1977 av_log(NULL, AV_LOG_FATAL,
1978 "Audio volume adjustment on sample format %s is not supported.\n",
1979 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1984 rate_emu_sleep(ist);
1986 for (i = 0; i < nb_output_streams; i++) {
1987 OutputStream *ost = &output_streams[i];
1989 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1991 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1997 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts, int64_t *pkt_dts)
1999 AVFrame *decoded_frame, *filtered_frame = NULL;
2000 void *buffer_to_free = NULL;
2004 int frame_available = 1;
2007 int64_t *best_effort_timestamp;
2008 AVRational *frame_sample_aspect;
2010 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2011 return AVERROR(ENOMEM);
2013 avcodec_get_frame_defaults(ist->decoded_frame);
2014 decoded_frame = ist->decoded_frame;
2015 pkt->pts = *pkt_pts;
2016 pkt->dts = *pkt_dts;
2017 *pkt_pts = AV_NOPTS_VALUE;
2019 if (pkt->duration) {
2020 duration = av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2021 } else if(ist->st->codec->time_base.num != 0) {
2022 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2023 duration = ((int64_t)AV_TIME_BASE *
2024 ist->st->codec->time_base.num * ticks) /
2025 ist->st->codec->time_base.den;
2028 if(*pkt_dts != AV_NOPTS_VALUE && duration) {
2029 *pkt_dts += duration;
2031 *pkt_dts = AV_NOPTS_VALUE;
2033 ret = avcodec_decode_video2(ist->st->codec,
2034 decoded_frame, got_output, pkt);
2038 quality = same_quant ? decoded_frame->quality : 0;
2040 /* no picture yet */
2044 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2045 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2046 ist->next_pts = ist->pts = *best_effort_timestamp;
2048 ist->next_pts += duration;
2051 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2054 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2055 for(i=0;i<nb_output_streams;i++) {
2056 OutputStream *ost = ost = &output_streams[i];
2057 if(check_output_constraints(ist, ost)){
2058 if (!frame_sample_aspect->num)
2059 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2060 decoded_frame->pts = ist->pts;
2061 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2062 FrameBuffer *buf = decoded_frame->opaque;
2063 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2064 decoded_frame->data, decoded_frame->linesize,
2065 AV_PERM_READ | AV_PERM_PRESERVE,
2066 ist->st->codec->width, ist->st->codec->height,
2067 ist->st->codec->pix_fmt);
2069 avfilter_copy_frame_props(fb, decoded_frame);
2071 fb->buf->priv = buf;
2072 fb->buf->free = filter_release_buffer;
2075 av_buffersrc_buffer(ost->input_video_filter, fb);
2077 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2078 av_log(0, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2085 rate_emu_sleep(ist);
2087 for (i = 0; i < nb_output_streams; i++) {
2088 OutputStream *ost = &output_streams[i];
2091 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2095 if (ost->input_video_filter) {
2096 frame_available = av_buffersink_poll_frame(ost->output_video_filter);
2098 while (frame_available) {
2099 if (ost->output_video_filter) {
2100 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2101 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2102 av_log(0, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2105 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2106 av_free(buffer_to_free);
2107 return AVERROR(ENOMEM);
2109 avcodec_get_frame_defaults(ist->filtered_frame);
2110 filtered_frame = ist->filtered_frame;
2111 *filtered_frame= *decoded_frame; //for me_threshold
2113 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2114 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2117 if (ost->picref->video && !ost->frame_aspect_ratio)
2118 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2120 filtered_frame = decoded_frame;
2123 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2124 same_quant ? quality : ost->st->codec->global_quality);
2125 if (vstats_filename && frame_size)
2126 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2129 frame_available = ost->output_video_filter && av_buffersink_poll_frame(ost->output_video_filter);
2130 avfilter_unref_buffer(ost->picref);
2135 av_free(buffer_to_free);
2139 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2141 AVSubtitle subtitle;
2142 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2143 &subtitle, got_output, pkt);
2149 rate_emu_sleep(ist);
2151 for (i = 0; i < nb_output_streams; i++) {
2152 OutputStream *ost = &output_streams[i];
2154 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2157 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2160 avsubtitle_free(&subtitle);
2164 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2165 static int output_packet(InputStream *ist,
2166 OutputStream *ost_table, int nb_ostreams,
2167 const AVPacket *pkt)
2171 int64_t pkt_dts = AV_NOPTS_VALUE;
2172 int64_t pkt_pts = AV_NOPTS_VALUE;
2176 if (ist->next_pts == AV_NOPTS_VALUE)
2177 ist->next_pts = ist->pts;
2181 av_init_packet(&avpkt);
2189 if(pkt->dts != AV_NOPTS_VALUE){
2190 if(ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2191 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2192 pkt_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2194 if(pkt->pts != AV_NOPTS_VALUE)
2195 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2197 //while we have more to decode or while the decoder did output something on EOF
2198 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2201 ist->pts = ist->next_pts;
2203 if (avpkt.size && avpkt.size != pkt->size) {
2204 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2205 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2206 ist->showed_multi_packet_warning = 1;
2209 switch(ist->st->codec->codec_type) {
2210 case AVMEDIA_TYPE_AUDIO:
2211 ret = transcode_audio (ist, &avpkt, &got_output);
2213 case AVMEDIA_TYPE_VIDEO:
2214 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts, &pkt_dts);
2216 case AVMEDIA_TYPE_SUBTITLE:
2217 ret = transcode_subtitles(ist, &avpkt, &got_output);
2227 avpkt.pts= AV_NOPTS_VALUE;
2229 // touch data and size only if not EOF
2231 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2241 /* handle stream copy */
2242 if (!ist->decoding_needed) {
2243 rate_emu_sleep(ist);
2244 ist->pts = ist->next_pts;
2245 switch (ist->st->codec->codec_type) {
2246 case AVMEDIA_TYPE_AUDIO:
2247 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2248 ist->st->codec->sample_rate;
2250 case AVMEDIA_TYPE_VIDEO:
2251 if (pkt->duration) {
2252 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2253 } else if(ist->st->codec->time_base.num != 0) {
2254 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2255 ist->next_pts += ((int64_t)AV_TIME_BASE *
2256 ist->st->codec->time_base.num * ticks) /
2257 ist->st->codec->time_base.den;
2262 for (i = 0; pkt && i < nb_ostreams; i++) {
2263 OutputStream *ost = &ost_table[i];
2265 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2268 do_streamcopy(ist, ost, pkt);
2274 static void print_sdp(OutputFile *output_files, int n)
2278 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
2282 for (i = 0; i < n; i++)
2283 avc[i] = output_files[i].ctx;
2285 av_sdp_create(avc, n, sdp, sizeof(sdp));
2286 printf("SDP:\n%s\n", sdp);
2291 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2292 char *error, int error_len)
2294 InputStream *ist = &input_streams[ist_index];
2295 if (ist->decoding_needed) {
2296 AVCodec *codec = ist->dec;
2298 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2299 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2300 return AVERROR(EINVAL);
2303 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2304 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2305 ist->st->codec->get_buffer = codec_get_buffer;
2306 ist->st->codec->release_buffer = codec_release_buffer;
2307 ist->st->codec->opaque = ist;
2310 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2311 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2312 ist->file_index, ist->st->index);
2313 return AVERROR(EINVAL);
2315 assert_codec_experimental(ist->st->codec, 0);
2316 assert_avoptions(ist->opts);
2319 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2320 ist->next_pts = AV_NOPTS_VALUE;
2326 static int transcode_init(OutputFile *output_files, int nb_output_files,
2327 InputFile *input_files, int nb_input_files)
2329 int ret = 0, i, j, k;
2330 AVFormatContext *oc;
2331 AVCodecContext *codec, *icodec;
2337 /* init framerate emulation */
2338 for (i = 0; i < nb_input_files; i++) {
2339 InputFile *ifile = &input_files[i];
2340 if (ifile->rate_emu)
2341 for (j = 0; j < ifile->nb_streams; j++)
2342 input_streams[j + ifile->ist_index].start = av_gettime();
2345 /* output stream init */
2346 for (i = 0; i < nb_output_files; i++) {
2347 oc = output_files[i].ctx;
2348 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2349 av_dump_format(oc, i, oc->filename, 1);
2350 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2351 return AVERROR(EINVAL);
2355 /* for each output stream, we compute the right encoding parameters */
2356 for (i = 0; i < nb_output_streams; i++) {
2357 ost = &output_streams[i];
2358 oc = output_files[ost->file_index].ctx;
2359 ist = &input_streams[ost->source_index];
2361 if (ost->attachment_filename)
2364 codec = ost->st->codec;
2365 icodec = ist->st->codec;
2367 ost->st->disposition = ist->st->disposition;
2368 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2369 codec->chroma_sample_location = icodec->chroma_sample_location;
2371 if (ost->stream_copy) {
2372 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2374 if (extra_size > INT_MAX) {
2375 return AVERROR(EINVAL);
2378 /* if stream_copy is selected, no need to decode or encode */
2379 codec->codec_id = icodec->codec_id;
2380 codec->codec_type = icodec->codec_type;
2382 if (!codec->codec_tag) {
2383 if (!oc->oformat->codec_tag ||
2384 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2385 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2386 codec->codec_tag = icodec->codec_tag;
2389 codec->bit_rate = icodec->bit_rate;
2390 codec->rc_max_rate = icodec->rc_max_rate;
2391 codec->rc_buffer_size = icodec->rc_buffer_size;
2392 codec->field_order = icodec->field_order;
2393 codec->extradata = av_mallocz(extra_size);
2394 if (!codec->extradata) {
2395 return AVERROR(ENOMEM);
2397 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2398 codec->extradata_size= icodec->extradata_size;
2400 codec->time_base = ist->st->time_base;
2401 if(!strcmp(oc->oformat->name, "avi")) {
2402 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2403 && av_q2d(ist->st->time_base) < 1.0/500
2405 codec->time_base = icodec->time_base;
2406 codec->time_base.num *= icodec->ticks_per_frame;
2407 codec->time_base.den *= 2;
2409 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2410 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2411 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2413 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2414 && av_q2d(ist->st->time_base) < 1.0/500
2416 codec->time_base = icodec->time_base;
2417 codec->time_base.num *= icodec->ticks_per_frame;
2420 av_reduce(&codec->time_base.num, &codec->time_base.den,
2421 codec->time_base.num, codec->time_base.den, INT_MAX);
2423 switch(codec->codec_type) {
2424 case AVMEDIA_TYPE_AUDIO:
2425 if(audio_volume != 256) {
2426 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2429 codec->channel_layout = icodec->channel_layout;
2430 codec->sample_rate = icodec->sample_rate;
2431 codec->channels = icodec->channels;
2432 codec->frame_size = icodec->frame_size;
2433 codec->audio_service_type = icodec->audio_service_type;
2434 codec->block_align = icodec->block_align;
2436 case AVMEDIA_TYPE_VIDEO:
2437 codec->pix_fmt = icodec->pix_fmt;
2438 codec->width = icodec->width;
2439 codec->height = icodec->height;
2440 codec->has_b_frames = icodec->has_b_frames;
2441 if (!codec->sample_aspect_ratio.num) {
2442 codec->sample_aspect_ratio =
2443 ost->st->sample_aspect_ratio =
2444 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2445 ist->st->codec->sample_aspect_ratio.num ?
2446 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2448 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2450 case AVMEDIA_TYPE_SUBTITLE:
2451 codec->width = icodec->width;
2452 codec->height = icodec->height;
2454 case AVMEDIA_TYPE_DATA:
2455 case AVMEDIA_TYPE_ATTACHMENT:
2462 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2464 ist->decoding_needed = 1;
2465 ost->encoding_needed = 1;
2467 switch(codec->codec_type) {
2468 case AVMEDIA_TYPE_AUDIO:
2469 ost->fifo = av_fifo_alloc(1024);
2471 return AVERROR(ENOMEM);
2473 if (!codec->sample_rate)
2474 codec->sample_rate = icodec->sample_rate;
2475 choose_sample_rate(ost->st, ost->enc);
2476 codec->time_base = (AVRational){1, codec->sample_rate};
2478 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2479 codec->sample_fmt = icodec->sample_fmt;
2480 choose_sample_fmt(ost->st, ost->enc);
2482 if (ost->audio_channels_mapped) {
2483 /* the requested output channel is set to the number of
2484 * -map_channel only if no -ac are specified */
2485 if (!codec->channels) {
2486 codec->channels = ost->audio_channels_mapped;
2487 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2488 if (!codec->channel_layout) {
2489 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2493 /* fill unused channel mapping with -1 (which means a muted
2494 * channel in case the number of output channels is bigger
2495 * than the number of mapped channel) */
2496 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2497 ost->audio_channels_map[j] = -1;
2498 } else if (!codec->channels) {
2499 codec->channels = icodec->channels;
2500 codec->channel_layout = icodec->channel_layout;
2502 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2503 codec->channel_layout = 0;
2505 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2506 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2507 || codec->channel_layout != icodec->channel_layout;
2508 icodec->request_channels = codec->channels;
2509 ost->resample_sample_fmt = icodec->sample_fmt;
2510 ost->resample_sample_rate = icodec->sample_rate;
2511 ost->resample_channels = icodec->channels;
2513 case AVMEDIA_TYPE_VIDEO:
2514 if (codec->pix_fmt == PIX_FMT_NONE)
2515 codec->pix_fmt = icodec->pix_fmt;
2516 choose_pixel_fmt(ost->st, ost->enc);
2518 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2519 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2523 if (!codec->width || !codec->height) {
2524 codec->width = icodec->width;
2525 codec->height = icodec->height;
2528 ost->video_resample = codec->width != icodec->width ||
2529 codec->height != icodec->height ||
2530 codec->pix_fmt != icodec->pix_fmt;
2531 if (ost->video_resample) {
2532 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2535 ost->resample_height = icodec->height;
2536 ost->resample_width = icodec->width;
2537 ost->resample_pix_fmt = icodec->pix_fmt;
2539 if (!ost->frame_rate.num)
2540 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2541 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2542 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2543 ost->frame_rate = ost->enc->supported_framerates[idx];
2545 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2546 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2547 && (video_sync_method==1 || (video_sync_method<0 && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2548 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2549 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2551 for (j = 0; j < ost->forced_kf_count; j++)
2552 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2557 if (configure_video_filters(ist, ost)) {
2558 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2563 case AVMEDIA_TYPE_SUBTITLE:
2570 if (codec->codec_id != CODEC_ID_H264 &&
2571 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2572 char logfilename[1024];
2575 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2576 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2578 if (codec->flags & CODEC_FLAG_PASS2) {
2580 size_t logbuffer_size;
2581 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2582 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2586 codec->stats_in = logbuffer;
2588 if (codec->flags & CODEC_FLAG_PASS1) {
2589 f = fopen(logfilename, "wb");
2591 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2592 logfilename, strerror(errno));
2599 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2600 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size (1664)*/
2601 int size = codec->width * codec->height;
2602 bit_buffer_size = FFMAX(bit_buffer_size, 7*size + 10000);
2607 bit_buffer = av_malloc(bit_buffer_size);
2609 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2611 return AVERROR(ENOMEM);
2614 /* open each encoder */
2615 for (i = 0; i < nb_output_streams; i++) {
2616 ost = &output_streams[i];
2617 if (ost->encoding_needed) {
2618 AVCodec *codec = ost->enc;
2619 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2621 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2622 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2623 ret = AVERROR(EINVAL);
2626 if (dec->subtitle_header) {
2627 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2628 if (!ost->st->codec->subtitle_header) {
2629 ret = AVERROR(ENOMEM);
2632 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2633 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2635 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2636 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2637 ost->file_index, ost->index);
2638 ret = AVERROR(EINVAL);
2641 assert_codec_experimental(ost->st->codec, 1);
2642 assert_avoptions(ost->opts);
2643 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2644 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2645 " It takes bits/s as argument, not kbits/s\n");
2646 extra_size += ost->st->codec->extradata_size;
2648 if (ost->st->codec->me_threshold)
2649 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2653 /* init input streams */
2654 for (i = 0; i < nb_input_streams; i++)
2655 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2658 /* discard unused programs */
2659 for (i = 0; i < nb_input_files; i++) {
2660 InputFile *ifile = &input_files[i];
2661 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2662 AVProgram *p = ifile->ctx->programs[j];
2663 int discard = AVDISCARD_ALL;
2665 for (k = 0; k < p->nb_stream_indexes; k++)
2666 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2667 discard = AVDISCARD_DEFAULT;
2670 p->discard = discard;
2674 /* open files and write file headers */
2675 for (i = 0; i < nb_output_files; i++) {
2676 oc = output_files[i].ctx;
2677 oc->interrupt_callback = int_cb;
2678 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2679 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2680 ret = AVERROR(EINVAL);
2683 // assert_avoptions(output_files[i].opts);
2684 if (strcmp(oc->oformat->name, "rtp")) {
2690 /* dump the file output parameters - cannot be done before in case
2692 for (i = 0; i < nb_output_files; i++) {
2693 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2696 /* dump the stream mapping */
2697 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2698 for (i = 0; i < nb_output_streams; i++) {
2699 ost = &output_streams[i];
2701 if (ost->attachment_filename) {
2702 /* an attached file */
2703 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2704 ost->attachment_filename, ost->file_index, ost->index);
2707 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2708 input_streams[ost->source_index].file_index,
2709 input_streams[ost->source_index].st->index,
2712 if (ost->audio_channels_mapped) {
2713 av_log(NULL, AV_LOG_INFO, " [ch:");
2714 for (j = 0; j < ost->audio_channels_mapped; j++)
2715 if (ost->audio_channels_map[j] == -1)
2716 av_log(NULL, AV_LOG_INFO, " M");
2718 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2719 av_log(NULL, AV_LOG_INFO, "]");
2721 if (ost->sync_ist != &input_streams[ost->source_index])
2722 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2723 ost->sync_ist->file_index,
2724 ost->sync_ist->st->index);
2725 if (ost->stream_copy)
2726 av_log(NULL, AV_LOG_INFO, " (copy)");
2728 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2729 input_streams[ost->source_index].dec->name : "?",
2730 ost->enc ? ost->enc->name : "?");
2731 av_log(NULL, AV_LOG_INFO, "\n");
2735 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2740 print_sdp(output_files, nb_output_files);
2747 * The following code is the main loop of the file converter
2749 static int transcode(OutputFile *output_files, int nb_output_files,
2750 InputFile *input_files, int nb_input_files)
2753 AVFormatContext *is, *os;
2757 int no_packet_count=0;
2758 int64_t timer_start;
2761 if (!(no_packet = av_mallocz(nb_input_files)))
2764 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2769 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2772 timer_start = av_gettime();
2774 for(; received_sigterm == 0;) {
2775 int file_index, ist_index;
2779 int64_t cur_time= av_gettime();
2781 ipts_min= INT64_MAX;
2783 /* if 'q' pressed, exits */
2785 static int64_t last_time;
2786 if (received_nb_signals)
2788 /* read_key() returns 0 on EOF */
2789 if(cur_time - last_time >= 100000 && !run_as_daemon){
2791 last_time = cur_time;
2796 if (key == '+') av_log_set_level(av_log_get_level()+10);
2797 if (key == '-') av_log_set_level(av_log_get_level()-10);
2798 if (key == 's') qp_hist ^= 1;
2801 do_hex_dump = do_pkt_dump = 0;
2802 } else if(do_pkt_dump){
2806 av_log_set_level(AV_LOG_DEBUG);
2809 if (key == 'c' || key == 'C'){
2810 char buf[4096], target[64], command[256], arg[256] = {0};
2813 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2815 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2820 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2821 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2822 target, time, command, arg);
2823 for (i = 0; i < nb_output_streams; i++) {
2824 ost = &output_streams[i];
2827 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2828 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2829 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2831 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2836 av_log(NULL, AV_LOG_ERROR,
2837 "Parse error, at least 3 arguments were expected, "
2838 "only %d given in string '%s'\n", n, buf);
2842 if (key == 'd' || key == 'D'){
2845 debug = input_streams[0].st->codec->debug<<1;
2846 if(!debug) debug = 1;
2847 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2850 if(scanf("%d", &debug)!=1)
2851 fprintf(stderr,"error parsing debug value\n");
2852 for(i=0;i<nb_input_streams;i++) {
2853 input_streams[i].st->codec->debug = debug;
2855 for(i=0;i<nb_output_streams;i++) {
2856 ost = &output_streams[i];
2857 ost->st->codec->debug = debug;
2859 if(debug) av_log_set_level(AV_LOG_DEBUG);
2860 fprintf(stderr,"debug=%d\n", debug);
2863 fprintf(stderr, "key function\n"
2864 "? show this help\n"
2865 "+ increase verbosity\n"
2866 "- decrease verbosity\n"
2867 "c Send command to filtergraph\n"
2868 "D cycle through available debug modes\n"
2869 "h dump packets/hex press to cycle through the 3 states\n"
2871 "s Show QP histogram\n"
2876 /* select the stream that we must read now by looking at the
2877 smallest output pts */
2879 for (i = 0; i < nb_output_streams; i++) {
2883 ost = &output_streams[i];
2884 of = &output_files[ost->file_index];
2885 os = output_files[ost->file_index].ctx;
2886 ist = &input_streams[ost->source_index];
2887 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2888 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2890 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2892 if (!input_files[ist->file_index].eof_reached){
2893 if(ipts < ipts_min) {
2895 if(input_sync ) file_index = ist->file_index;
2897 if(opts < opts_min) {
2899 if(!input_sync) file_index = ist->file_index;
2902 if (ost->frame_number >= ost->max_frames) {
2904 for (j = 0; j < of->ctx->nb_streams; j++)
2905 output_streams[of->ost_index + j].is_past_recording_time = 1;
2909 /* if none, if is finished */
2910 if (file_index < 0) {
2911 if(no_packet_count){
2913 memset(no_packet, 0, nb_input_files);
2920 /* read a frame from it and output it in the fifo */
2921 is = input_files[file_index].ctx;
2922 ret= av_read_frame(is, &pkt);
2923 if(ret == AVERROR(EAGAIN)){
2924 no_packet[file_index]=1;
2929 input_files[file_index].eof_reached = 1;
2937 memset(no_packet, 0, nb_input_files);
2940 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2941 is->streams[pkt.stream_index]);
2943 /* the following test is needed in case new streams appear
2944 dynamically in stream : we ignore them */
2945 if (pkt.stream_index >= input_files[file_index].nb_streams)
2946 goto discard_packet;
2947 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2948 ist = &input_streams[ist_index];
2950 goto discard_packet;
2952 if (pkt.dts != AV_NOPTS_VALUE)
2953 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2954 if (pkt.pts != AV_NOPTS_VALUE)
2955 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2957 if(pkt.pts != AV_NOPTS_VALUE)
2958 pkt.pts *= ist->ts_scale;
2959 if(pkt.dts != AV_NOPTS_VALUE)
2960 pkt.dts *= ist->ts_scale;
2962 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2963 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2964 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2965 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2966 int64_t delta= pkt_dts - ist->next_pts;
2967 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2968 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2969 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2970 pkt_dts+1<ist->pts)&& !copy_ts){
2971 input_files[ist->file_index].ts_offset -= delta;
2972 av_log(NULL, AV_LOG_DEBUG, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2973 delta, input_files[ist->file_index].ts_offset);
2974 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2975 if(pkt.pts != AV_NOPTS_VALUE)
2976 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2980 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2981 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2983 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2984 ist->file_index, ist->st->index);
2987 av_free_packet(&pkt);
2992 av_free_packet(&pkt);
2994 /* dump report by using the output first video and audio streams */
2995 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
2998 /* at the end of stream, we must flush the decoder buffers */
2999 for (i = 0; i < nb_input_streams; i++) {
3000 ist = &input_streams[i];
3001 if (ist->decoding_needed) {
3002 output_packet(ist, output_streams, nb_output_streams, NULL);
3005 flush_encoders(output_streams, nb_output_streams);
3009 /* write the trailer if needed and close file */
3010 for(i=0;i<nb_output_files;i++) {
3011 os = output_files[i].ctx;
3012 av_write_trailer(os);
3015 /* dump report by using the first video and audio streams */
3016 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3018 /* close each encoder */
3019 for (i = 0; i < nb_output_streams; i++) {
3020 ost = &output_streams[i];
3021 if (ost->encoding_needed) {
3022 av_freep(&ost->st->codec->stats_in);
3023 avcodec_close(ost->st->codec);
3026 avfilter_graph_free(&ost->graph);
3030 /* close each decoder */
3031 for (i = 0; i < nb_input_streams; i++) {
3032 ist = &input_streams[i];
3033 if (ist->decoding_needed) {
3034 avcodec_close(ist->st->codec);
3042 av_freep(&bit_buffer);
3043 av_freep(&no_packet);
3045 if (output_streams) {
3046 for (i = 0; i < nb_output_streams; i++) {
3047 ost = &output_streams[i];
3049 if (ost->stream_copy)
3050 av_freep(&ost->st->codec->extradata);
3052 fclose(ost->logfile);
3053 ost->logfile = NULL;
3055 av_fifo_free(ost->fifo); /* works even if fifo is not
3056 initialized but set to zero */
3057 av_freep(&ost->st->codec->subtitle_header);
3058 av_free(ost->resample_frame.data[0]);
3059 av_free(ost->forced_kf_pts);
3060 if (ost->video_resample)
3061 sws_freeContext(ost->img_resample_ctx);
3062 swr_free(&ost->swr);
3063 av_dict_free(&ost->opts);
3070 static int opt_frame_crop(const char *opt, const char *arg)
3072 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3073 return AVERROR(EINVAL);
3076 static int opt_pad(const char *opt, const char *arg)
3078 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3082 static double parse_frame_aspect_ratio(const char *arg)
3089 p = strchr(arg, ':');
3091 x = strtol(arg, &end, 10);
3093 y = strtol(end+1, &end, 10);
3095 ar = (double)x / (double)y;
3097 ar = strtod(arg, NULL);
3100 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
3106 static int opt_video_channel(const char *opt, const char *arg)
3108 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3109 return opt_default("channel", arg);
3112 static int opt_video_standard(const char *opt, const char *arg)
3114 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3115 return opt_default("standard", arg);
3118 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3120 audio_codec_name = arg;
3121 return parse_option(o, "codec:a", arg, options);
3124 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3126 video_codec_name = arg;
3127 return parse_option(o, "codec:v", arg, options);
3130 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3132 subtitle_codec_name = arg;
3133 return parse_option(o, "codec:s", arg, options);
3136 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3138 return parse_option(o, "codec:d", arg, options);
3141 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3143 StreamMap *m = NULL;
3144 int i, negative = 0, file_idx;
3145 int sync_file_idx = -1, sync_stream_idx;
3153 map = av_strdup(arg);
3155 /* parse sync stream first, just pick first matching stream */
3156 if (sync = strchr(map, ',')) {
3158 sync_file_idx = strtol(sync + 1, &sync, 0);
3159 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3160 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3165 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3166 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3167 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3168 sync_stream_idx = i;
3171 if (i == input_files[sync_file_idx].nb_streams) {
3172 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3173 "match any streams.\n", arg);
3179 file_idx = strtol(map, &p, 0);
3180 if (file_idx >= nb_input_files || file_idx < 0) {
3181 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3185 /* disable some already defined maps */
3186 for (i = 0; i < o->nb_stream_maps; i++) {
3187 m = &o->stream_maps[i];
3188 if (file_idx == m->file_index &&
3189 check_stream_specifier(input_files[m->file_index].ctx,
3190 input_files[m->file_index].ctx->streams[m->stream_index],
3191 *p == ':' ? p + 1 : p) > 0)
3195 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3196 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3197 *p == ':' ? p + 1 : p) <= 0)
3199 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3200 &o->nb_stream_maps, o->nb_stream_maps + 1);
3201 m = &o->stream_maps[o->nb_stream_maps - 1];
3203 m->file_index = file_idx;
3204 m->stream_index = i;
3206 if (sync_file_idx >= 0) {
3207 m->sync_file_index = sync_file_idx;
3208 m->sync_stream_index = sync_stream_idx;
3210 m->sync_file_index = file_idx;
3211 m->sync_stream_index = i;
3216 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3224 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3226 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3227 &o->nb_attachments, o->nb_attachments + 1);
3228 o->attachments[o->nb_attachments - 1] = arg;
3232 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3238 o->audio_channel_maps =
3239 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3240 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3241 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3243 /* muted channel syntax */
3244 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3245 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3246 m->file_idx = m->stream_idx = -1;
3248 m->ofile_idx = m->ostream_idx = -1;
3253 n = sscanf(arg, "%d.%d.%d:%d.%d",
3254 &m->file_idx, &m->stream_idx, &m->channel_idx,
3255 &m->ofile_idx, &m->ostream_idx);
3257 if (n != 3 && n != 5) {
3258 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3259 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3263 if (n != 5) // only file.stream.channel specified
3264 m->ofile_idx = m->ostream_idx = -1;
3267 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3268 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3272 if (m->stream_idx < 0 ||
3273 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3274 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3275 m->file_idx, m->stream_idx);
3278 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3279 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3280 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3281 m->file_idx, m->stream_idx);
3284 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3285 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3286 m->file_idx, m->stream_idx, m->channel_idx);
3293 * Parse a metadata specifier in arg.
3294 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3295 * @param index for type c/p, chapter/program index is written here
3296 * @param stream_spec for type s, the stream specifier is written here
3298 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3306 if (*(++arg) && *arg != ':') {
3307 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3310 *stream_spec = *arg == ':' ? arg + 1 : "";
3314 if (*(++arg) == ':')
3315 *index = strtol(++arg, NULL, 0);
3318 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3325 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3327 AVDictionary **meta_in = NULL;
3328 AVDictionary **meta_out;
3330 char type_in, type_out;
3331 const char *istream_spec = NULL, *ostream_spec = NULL;
3332 int idx_in = 0, idx_out = 0;
3334 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3335 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3337 if (type_in == 'g' || type_out == 'g')
3338 o->metadata_global_manual = 1;
3339 if (type_in == 's' || type_out == 's')
3340 o->metadata_streams_manual = 1;
3341 if (type_in == 'c' || type_out == 'c')
3342 o->metadata_chapters_manual = 1;
3344 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3345 if ((index) < 0 || (index) >= (nb_elems)) {\
3346 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3351 #define SET_DICT(type, meta, context, index)\
3354 meta = &context->metadata;\
3357 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3358 meta = &context->chapters[index]->metadata;\
3361 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3362 meta = &context->programs[index]->metadata;\
3366 SET_DICT(type_in, meta_in, ic, idx_in);
3367 SET_DICT(type_out, meta_out, oc, idx_out);
3369 /* for input streams choose first matching stream */
3370 if (type_in == 's') {
3371 for (i = 0; i < ic->nb_streams; i++) {
3372 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3373 meta_in = &ic->streams[i]->metadata;
3379 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3384 if (type_out == 's') {
3385 for (i = 0; i < oc->nb_streams; i++) {
3386 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3387 meta_out = &oc->streams[i]->metadata;
3388 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3393 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3398 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3401 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3402 struct tm time = *gmtime((time_t*)&recording_timestamp);
3403 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3404 parse_option(o, "metadata", buf, options);
3406 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3407 "tag instead.\n", opt);
3411 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3413 const char *codec_string = encoder ? "encoder" : "decoder";
3417 avcodec_find_encoder_by_name(name) :
3418 avcodec_find_decoder_by_name(name);
3420 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3423 if(codec->type != type) {
3424 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3430 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3432 char *codec_name = NULL;
3434 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3436 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3437 st->codec->codec_id = codec->id;
3440 return avcodec_find_decoder(st->codec->codec_id);
3444 * Add all the streams from the given input file to the global
3445 * list of input streams.
3447 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3449 int i, rfps, rfps_base;
3450 char *next, *codec_tag = NULL;
3452 for (i = 0; i < ic->nb_streams; i++) {
3453 AVStream *st = ic->streams[i];
3454 AVCodecContext *dec = st->codec;
3457 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3458 ist = &input_streams[nb_input_streams - 1];
3460 ist->file_index = nb_input_files;
3462 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3464 ist->ts_scale = 1.0;
3465 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3467 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3469 uint32_t tag = strtol(codec_tag, &next, 0);
3471 tag = AV_RL32(codec_tag);
3472 st->codec->codec_tag = tag;
3475 ist->dec = choose_decoder(o, ic, st);
3477 switch (dec->codec_type) {
3478 case AVMEDIA_TYPE_AUDIO:
3480 ist->dec = avcodec_find_decoder(dec->codec_id);
3481 if(o->audio_disable)
3482 st->discard= AVDISCARD_ALL;
3484 case AVMEDIA_TYPE_VIDEO:
3486 ist->dec = avcodec_find_decoder(dec->codec_id);
3487 rfps = ic->streams[i]->r_frame_rate.num;
3488 rfps_base = ic->streams[i]->r_frame_rate.den;
3490 dec->flags |= CODEC_FLAG_EMU_EDGE;
3493 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3495 av_log(NULL, AV_LOG_INFO,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3496 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3497 (float)rfps / rfps_base, rfps, rfps_base);
3500 if (o->video_disable)
3501 st->discard= AVDISCARD_ALL;
3502 else if(video_discard)
3503 st->discard= video_discard;
3505 case AVMEDIA_TYPE_DATA:
3506 if (o->data_disable)
3507 st->discard= AVDISCARD_ALL;
3509 case AVMEDIA_TYPE_SUBTITLE:
3511 ist->dec = avcodec_find_decoder(dec->codec_id);
3512 if(o->subtitle_disable)
3513 st->discard = AVDISCARD_ALL;
3515 case AVMEDIA_TYPE_ATTACHMENT:
3516 case AVMEDIA_TYPE_UNKNOWN:
3524 static void assert_file_overwrite(const char *filename)
3526 if ((!file_overwrite || no_file_overwrite) &&
3527 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3528 av_strstart(filename, "file:", NULL))) {
3529 if (avio_check(filename, 0) == 0) {
3530 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3531 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3534 signal(SIGINT, SIG_DFL);
3535 if (!read_yesno()) {
3536 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3542 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3549 static void dump_attachment(AVStream *st, const char *filename)
3552 AVIOContext *out = NULL;
3553 AVDictionaryEntry *e;
3555 if (!st->codec->extradata_size) {
3556 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3557 nb_input_files - 1, st->index);
3560 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3561 filename = e->value;
3563 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3564 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3568 assert_file_overwrite(filename);
3570 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3571 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3576 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3581 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3583 AVFormatContext *ic;
3584 AVInputFormat *file_iformat = NULL;
3588 AVDictionary **opts;
3589 int orig_nb_streams; // number of streams before avformat_find_stream_info
3592 if (!(file_iformat = av_find_input_format(o->format))) {
3593 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3598 if (!strcmp(filename, "-"))
3601 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3602 !strcmp(filename, "/dev/stdin");
3604 /* get default parameters from command line */
3605 ic = avformat_alloc_context();
3607 print_error(filename, AVERROR(ENOMEM));
3610 if (o->nb_audio_sample_rate) {
3611 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3612 av_dict_set(&format_opts, "sample_rate", buf, 0);
3614 if (o->nb_audio_channels) {
3615 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3616 av_dict_set(&format_opts, "channels", buf, 0);
3618 if (o->nb_frame_rates) {
3619 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3621 if (o->nb_frame_sizes) {
3622 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3624 if (o->nb_frame_pix_fmts)
3625 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3627 ic->video_codec_id = video_codec_name ?
3628 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3629 ic->audio_codec_id = audio_codec_name ?
3630 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3631 ic->subtitle_codec_id= subtitle_codec_name ?
3632 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3633 ic->flags |= AVFMT_FLAG_NONBLOCK;
3634 ic->interrupt_callback = int_cb;
3637 av_log(NULL, AV_LOG_WARNING,
3638 "-loop_input is deprecated, use -loop 1\n"
3639 "Note, both loop options only work with -f image2\n"
3641 ic->loop_input = loop_input;
3644 /* open the input file with generic avformat function */
3645 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3647 print_error(filename, err);
3650 assert_avoptions(format_opts);
3652 /* apply forced codec ids */
3653 for (i = 0; i < ic->nb_streams; i++)
3654 choose_decoder(o, ic, ic->streams[i]);
3656 /* Set AVCodecContext options for avformat_find_stream_info */
3657 opts = setup_find_stream_info_opts(ic, codec_opts);
3658 orig_nb_streams = ic->nb_streams;
3660 /* If not enough info to get the stream parameters, we decode the
3661 first frames to get it. (used in mpeg case for example) */
3662 ret = avformat_find_stream_info(ic, opts);
3664 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3665 avformat_close_input(&ic);
3669 timestamp = o->start_time;
3670 /* add the stream start time */
3671 if (ic->start_time != AV_NOPTS_VALUE)
3672 timestamp += ic->start_time;
3674 /* if seeking requested, we execute it */
3675 if (o->start_time != 0) {
3676 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3678 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3679 filename, (double)timestamp / AV_TIME_BASE);
3683 /* update the current parameters so that they match the one of the input stream */
3684 add_input_streams(o, ic);
3686 /* dump the file content */
3687 av_dump_format(ic, nb_input_files, filename, 0);
3689 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3690 input_files[nb_input_files - 1].ctx = ic;
3691 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3692 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3693 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3694 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3696 for (i = 0; i < o->nb_dump_attachment; i++) {
3699 for (j = 0; j < ic->nb_streams; j++) {
3700 AVStream *st = ic->streams[j];
3702 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3703 dump_attachment(st, o->dump_attachment[i].u.str);
3707 for (i = 0; i < orig_nb_streams; i++)
3708 av_dict_free(&opts[i]);
3711 reset_options(o, 1);
3715 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3720 for (p = kf; *p; p++)
3723 ost->forced_kf_count = n;
3724 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3725 if (!ost->forced_kf_pts) {
3726 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3729 for (i = 0; i < n; i++) {
3730 p = i ? strchr(p, ',') + 1 : kf;
3731 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3735 static uint8_t *get_line(AVIOContext *s)
3741 if (avio_open_dyn_buf(&line) < 0) {
3742 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3746 while ((c = avio_r8(s)) && c != '\n')
3749 avio_close_dyn_buf(line, &buf);
3754 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3757 char filename[1000];
3758 const char *base[3] = { getenv("AVCONV_DATADIR"),
3763 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3767 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3768 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3769 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3772 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3773 i != 1 ? "" : "/.avconv", preset_name);
3774 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3780 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3782 char *codec_name = NULL;
3784 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3786 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3787 NULL, ost->st->codec->codec_type);
3788 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3789 } else if (!strcmp(codec_name, "copy"))
3790 ost->stream_copy = 1;
3792 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3793 ost->st->codec->codec_id = ost->enc->id;
3797 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3800 AVStream *st = avformat_new_stream(oc, NULL);
3801 int idx = oc->nb_streams - 1, ret = 0;
3802 char *bsf = NULL, *next, *codec_tag = NULL;
3803 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3805 char *buf = NULL, *arg = NULL, *preset = NULL;
3806 AVIOContext *s = NULL;
3809 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3813 if (oc->nb_streams - 1 < o->nb_streamid_map)
3814 st->id = o->streamid_map[oc->nb_streams - 1];
3816 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3817 nb_output_streams + 1);
3818 ost = &output_streams[nb_output_streams - 1];
3819 ost->file_index = nb_output_files;
3822 st->codec->codec_type = type;
3823 choose_encoder(o, oc, ost);
3825 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3828 avcodec_get_context_defaults3(st->codec, ost->enc);
3829 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3831 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3832 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3835 if (!buf[0] || buf[0] == '#') {
3839 if (!(arg = strchr(buf, '='))) {
3840 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3844 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3846 } while (!s->eof_reached);
3850 av_log(NULL, AV_LOG_FATAL,
3851 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3852 preset, ost->file_index, ost->index);
3856 ost->max_frames = INT64_MAX;
3857 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3859 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3861 if (next = strchr(bsf, ','))
3863 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3864 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3868 bsfc_prev->next = bsfc;
3870 ost->bitstream_filters = bsfc;
3876 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3878 uint32_t tag = strtol(codec_tag, &next, 0);
3880 tag = AV_RL32(codec_tag);
3881 st->codec->codec_tag = tag;
3884 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3885 if (qscale >= 0 || same_quant) {
3886 st->codec->flags |= CODEC_FLAG_QSCALE;
3887 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3890 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3891 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3893 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3897 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3900 const char *p = str;
3907 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3914 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3918 AVCodecContext *video_enc;
3920 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3922 video_enc = st->codec;
3924 if (!ost->stream_copy) {
3925 const char *p = NULL;
3926 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3927 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3928 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3931 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3932 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3933 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3937 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3938 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3939 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3943 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3944 if (frame_aspect_ratio)
3945 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3947 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3948 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3949 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3950 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3953 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3956 video_enc->gop_size = 0;
3957 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3959 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3960 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3963 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3965 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3967 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3968 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3971 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3974 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3977 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3979 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3982 /* FIXME realloc failure */
3983 video_enc->rc_override=
3984 av_realloc(video_enc->rc_override,
3985 sizeof(RcOverride)*(i+1));
3986 video_enc->rc_override[i].start_frame= start;
3987 video_enc->rc_override[i].end_frame = end;
3989 video_enc->rc_override[i].qscale= q;
3990 video_enc->rc_override[i].quality_factor= 1.0;
3993 video_enc->rc_override[i].qscale= 0;
3994 video_enc->rc_override[i].quality_factor= -q/100.0;
3999 video_enc->rc_override_count=i;
4000 if (!video_enc->rc_initial_buffer_occupancy)
4001 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
4002 video_enc->intra_dc_precision= intra_dc_precision - 8;
4005 video_enc->flags|= CODEC_FLAG_PSNR;
4010 video_enc->flags |= CODEC_FLAG_PASS1;
4013 video_enc->flags |= CODEC_FLAG_PASS2;
4017 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4018 if (forced_key_frames)
4019 parse_forced_key_frames(forced_key_frames, ost);
4021 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4023 ost->top_field_first = -1;
4024 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4026 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4029 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4031 ost->avfilter = av_strdup(filters);
4038 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4043 AVCodecContext *audio_enc;
4045 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4048 audio_enc = st->codec;
4049 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4051 if (!ost->stream_copy) {
4052 char *sample_fmt = NULL;
4054 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4056 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4058 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4059 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4063 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4065 ost->rematrix_volume=1.0;
4066 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4069 /* check for channel mapping for this audio stream */
4070 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4071 AudioChannelMap *map = &o->audio_channel_maps[n];
4072 InputStream *ist = &input_streams[ost->source_index];
4073 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4074 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4075 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4076 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4077 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4079 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4080 ost->file_index, ost->st->index);
4087 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4091 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4092 if (!ost->stream_copy) {
4093 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4100 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4102 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4103 ost->stream_copy = 1;
4107 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4111 AVCodecContext *subtitle_enc;
4113 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4115 subtitle_enc = st->codec;
4117 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4122 /* arg format is "output-stream-index:streamid-value". */
4123 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4129 av_strlcpy(idx_str, arg, sizeof(idx_str));
4130 p = strchr(idx_str, ':');
4132 av_log(NULL, AV_LOG_FATAL,
4133 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4138 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4139 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4140 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4144 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4146 AVFormatContext *is = ifile->ctx;
4147 AVFormatContext *os = ofile->ctx;
4150 for (i = 0; i < is->nb_chapters; i++) {
4151 AVChapter *in_ch = is->chapters[i], *out_ch;
4152 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4153 AV_TIME_BASE_Q, in_ch->time_base);
4154 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4155 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4158 if (in_ch->end < ts_off)
4160 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4163 out_ch = av_mallocz(sizeof(AVChapter));
4165 return AVERROR(ENOMEM);
4167 out_ch->id = in_ch->id;
4168 out_ch->time_base = in_ch->time_base;
4169 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4170 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4173 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4176 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4178 return AVERROR(ENOMEM);
4179 os->chapters[os->nb_chapters - 1] = out_ch;
4184 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4187 AVFormatContext *ic = avformat_alloc_context();
4189 ic->interrupt_callback = int_cb;
4190 err = avformat_open_input(&ic, filename, NULL, NULL);
4193 /* copy stream format */
4194 for(i=0;i<ic->nb_streams;i++) {
4198 AVCodecContext *avctx;
4200 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4201 ost = new_output_stream(o, s, codec->type);
4206 // FIXME: a more elegant solution is needed
4207 memcpy(st, ic->streams[i], sizeof(AVStream));
4208 st->info = av_malloc(sizeof(*st->info));
4209 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4211 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4213 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4214 choose_sample_fmt(st, codec);
4215 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4216 choose_pixel_fmt(st, codec);
4219 av_close_input_file(ic);
4223 static void opt_output_file(void *optctx, const char *filename)
4225 OptionsContext *o = optctx;
4226 AVFormatContext *oc;
4228 AVOutputFormat *file_oformat;
4232 if (!strcmp(filename, "-"))
4235 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4237 print_error(filename, err);
4240 file_oformat= oc->oformat;
4241 oc->interrupt_callback = int_cb;
4243 if (!strcmp(file_oformat->name, "ffm") &&
4244 av_strstart(filename, "http:", NULL)) {
4246 /* special case for files sent to ffserver: we get the stream
4247 parameters from ffserver */
4248 int err = read_ffserver_streams(o, oc, filename);
4250 print_error(filename, err);
4253 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4254 ost = &output_streams[j];
4255 for (i = 0; i < nb_input_streams; i++) {
4256 ist = &input_streams[i];
4257 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4259 ost->source_index= i;
4265 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));
4269 } else if (!o->nb_stream_maps) {
4270 /* pick the "best" stream of each type */
4271 #define NEW_STREAM(type, index)\
4273 ost = new_ ## type ## _stream(o, oc);\
4274 ost->source_index = index;\
4275 ost->sync_ist = &input_streams[index];\
4276 input_streams[index].discard = 0;\
4279 /* video: highest resolution */
4280 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4281 int area = 0, idx = -1;
4282 for (i = 0; i < nb_input_streams; i++) {
4283 ist = &input_streams[i];
4284 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4285 ist->st->codec->width * ist->st->codec->height > area) {
4286 area = ist->st->codec->width * ist->st->codec->height;
4290 NEW_STREAM(video, idx);
4293 /* audio: most channels */
4294 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4295 int channels = 0, idx = -1;
4296 for (i = 0; i < nb_input_streams; i++) {
4297 ist = &input_streams[i];
4298 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4299 ist->st->codec->channels > channels) {
4300 channels = ist->st->codec->channels;
4304 NEW_STREAM(audio, idx);
4307 /* subtitles: pick first */
4308 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4309 for (i = 0; i < nb_input_streams; i++)
4310 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4311 NEW_STREAM(subtitle, i);
4315 /* do something with data? */
4317 for (i = 0; i < o->nb_stream_maps; i++) {
4318 StreamMap *map = &o->stream_maps[i];
4323 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4324 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4326 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4328 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4330 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4333 switch (ist->st->codec->codec_type) {
4334 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4335 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4336 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4337 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4338 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4340 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4341 map->file_index, map->stream_index);
4345 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4346 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4347 map->sync_stream_index];
4352 /* handle attached files */
4353 for (i = 0; i < o->nb_attachments; i++) {
4355 uint8_t *attachment;
4359 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4360 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4364 if ((len = avio_size(pb)) <= 0) {
4365 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4369 if (!(attachment = av_malloc(len))) {
4370 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4374 avio_read(pb, attachment, len);
4376 ost = new_attachment_stream(o, oc);
4377 ost->stream_copy = 0;
4378 ost->source_index = -1;
4379 ost->attachment_filename = o->attachments[i];
4380 ost->st->codec->extradata = attachment;
4381 ost->st->codec->extradata_size = len;
4383 p = strrchr(o->attachments[i], '/');
4384 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4388 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4389 output_files[nb_output_files - 1].ctx = oc;
4390 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4391 output_files[nb_output_files - 1].recording_time = o->recording_time;
4392 output_files[nb_output_files - 1].start_time = o->start_time;
4393 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4394 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4396 /* check filename in case of an image number is expected */
4397 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4398 if (!av_filename_number_test(oc->filename)) {
4399 print_error(oc->filename, AVERROR(EINVAL));
4404 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4405 /* test if it already exists to avoid losing precious files */
4406 assert_file_overwrite(filename);
4409 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4410 &oc->interrupt_callback,
4411 &output_files[nb_output_files - 1].opts)) < 0) {
4412 print_error(filename, err);
4417 if (o->mux_preload) {
4419 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4420 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4422 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4424 if (loop_output >= 0) {
4425 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
4426 oc->loop_output = loop_output;
4430 for (i = 0; i < o->nb_metadata_map; i++) {
4432 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4434 if (in_file_index < 0)
4436 if (in_file_index >= nb_input_files) {
4437 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4440 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4444 if (o->chapters_input_file >= nb_input_files) {
4445 if (o->chapters_input_file == INT_MAX) {
4446 /* copy chapters from the first input file that has them*/
4447 o->chapters_input_file = -1;
4448 for (i = 0; i < nb_input_files; i++)
4449 if (input_files[i].ctx->nb_chapters) {
4450 o->chapters_input_file = i;
4454 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4455 o->chapters_input_file);
4459 if (o->chapters_input_file >= 0)
4460 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4461 !o->metadata_chapters_manual);
4463 /* copy global metadata by default */
4464 if (!o->metadata_global_manual && nb_input_files){
4465 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4466 AV_DICT_DONT_OVERWRITE);
4467 if(o->recording_time != INT64_MAX)
4468 av_dict_set(&oc->metadata, "duration", NULL, 0);
4470 if (!o->metadata_streams_manual)
4471 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4473 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4475 ist = &input_streams[output_streams[i].source_index];
4476 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4479 /* process manually set metadata */
4480 for (i = 0; i < o->nb_metadata; i++) {
4483 const char *stream_spec;
4484 int index = 0, j, ret;
4486 val = strchr(o->metadata[i].u.str, '=');
4488 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4489 o->metadata[i].u.str);
4494 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4496 for (j = 0; j < oc->nb_streams; j++) {
4497 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4498 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4502 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4510 if (index < 0 || index >= oc->nb_chapters) {
4511 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4514 m = &oc->chapters[index]->metadata;
4517 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4520 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4524 reset_options(o, 0);
4527 /* same option as mencoder */
4528 static int opt_pass(const char *opt, const char *arg)
4530 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4534 static int64_t getutime(void)
4537 struct rusage rusage;
4539 getrusage(RUSAGE_SELF, &rusage);
4540 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4541 #elif HAVE_GETPROCESSTIMES
4543 FILETIME c, e, k, u;
4544 proc = GetCurrentProcess();
4545 GetProcessTimes(proc, &c, &e, &k, &u);
4546 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4548 return av_gettime();
4552 static int64_t getmaxrss(void)
4554 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4555 struct rusage rusage;
4556 getrusage(RUSAGE_SELF, &rusage);
4557 return (int64_t)rusage.ru_maxrss * 1024;
4558 #elif HAVE_GETPROCESSMEMORYINFO
4560 PROCESS_MEMORY_COUNTERS memcounters;
4561 proc = GetCurrentProcess();
4562 memcounters.cb = sizeof(memcounters);
4563 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4564 return memcounters.PeakPagefileUsage;
4570 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4572 return parse_option(o, "q:a", arg, options);
4575 static void show_usage(void)
4577 printf("Hyper fast Audio and Video encoder\n");
4578 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4582 static int opt_help(const char *opt, const char *arg)
4584 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4585 av_log_set_callback(log_callback_help);
4587 show_help_options(options, "Main options:\n",
4588 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4589 show_help_options(options, "\nAdvanced options:\n",
4590 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4592 show_help_options(options, "\nVideo options:\n",
4593 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4595 show_help_options(options, "\nAdvanced Video options:\n",
4596 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4597 OPT_VIDEO | OPT_EXPERT);
4598 show_help_options(options, "\nAudio options:\n",
4599 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4601 show_help_options(options, "\nAdvanced Audio options:\n",
4602 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4603 OPT_AUDIO | OPT_EXPERT);
4604 show_help_options(options, "\nSubtitle options:\n",
4605 OPT_SUBTITLE | OPT_GRAB,
4607 show_help_options(options, "\nAudio/Video grab options:\n",
4611 show_help_children(avcodec_get_class(), flags);
4612 show_help_children(avformat_get_class(), flags);
4613 show_help_children(sws_get_class(), flags);
4618 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4620 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4621 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4623 if(!strncmp(arg, "pal-", 4)) {
4626 } else if(!strncmp(arg, "ntsc-", 5)) {
4629 } else if(!strncmp(arg, "film-", 5)) {
4633 /* Try to determine PAL/NTSC by peeking in the input files */
4634 if(nb_input_files) {
4636 for (j = 0; j < nb_input_files; j++) {
4637 for (i = 0; i < input_files[j].nb_streams; i++) {
4638 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4639 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4641 fr = c->time_base.den * 1000 / c->time_base.num;
4645 } else if((fr == 29970) || (fr == 23976)) {
4654 if (norm != UNKNOWN)
4655 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4658 if(norm == UNKNOWN) {
4659 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4660 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4661 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4665 if(!strcmp(arg, "vcd")) {
4666 opt_video_codec(o, "c:v", "mpeg1video");
4667 opt_audio_codec(o, "c:a", "mp2");
4668 parse_option(o, "f", "vcd", options);
4670 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4671 parse_option(o, "r", frame_rates[norm], options);
4672 opt_default("g", norm == PAL ? "15" : "18");
4674 opt_default("b:v", "1150000");
4675 opt_default("maxrate", "1150000");
4676 opt_default("minrate", "1150000");
4677 opt_default("bufsize", "327680"); // 40*1024*8;
4679 opt_default("b:a", "224000");
4680 parse_option(o, "ar", "44100", options);
4681 parse_option(o, "ac", "2", options);
4683 opt_default("packetsize", "2324");
4684 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4686 /* We have to offset the PTS, so that it is consistent with the SCR.
4687 SCR starts at 36000, but the first two packs contain only padding
4688 and the first pack from the other stream, respectively, may also have
4689 been written before.
4690 So the real data starts at SCR 36000+3*1200. */
4691 o->mux_preload = (36000+3*1200) / 90000.0; //0.44
4692 } else if(!strcmp(arg, "svcd")) {
4694 opt_video_codec(o, "c:v", "mpeg2video");
4695 opt_audio_codec(o, "c:a", "mp2");
4696 parse_option(o, "f", "svcd", options);
4698 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4699 parse_option(o, "r", frame_rates[norm], options);
4700 parse_option(o, "pix_fmt", "yuv420p", options);
4701 opt_default("g", norm == PAL ? "15" : "18");
4703 opt_default("b:v", "2040000");
4704 opt_default("maxrate", "2516000");
4705 opt_default("minrate", "0"); //1145000;
4706 opt_default("bufsize", "1835008"); //224*1024*8;
4707 opt_default("flags", "+scan_offset");
4710 opt_default("b:a", "224000");
4711 parse_option(o, "ar", "44100", options);
4713 opt_default("packetsize", "2324");
4715 } else if(!strcmp(arg, "dvd")) {
4717 opt_video_codec(o, "c:v", "mpeg2video");
4718 opt_audio_codec(o, "c:a", "ac3");
4719 parse_option(o, "f", "dvd", options);
4721 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4722 parse_option(o, "r", frame_rates[norm], options);
4723 parse_option(o, "pix_fmt", "yuv420p", options);
4724 opt_default("g", norm == PAL ? "15" : "18");
4726 opt_default("b:v", "6000000");
4727 opt_default("maxrate", "9000000");
4728 opt_default("minrate", "0"); //1500000;
4729 opt_default("bufsize", "1835008"); //224*1024*8;
4731 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4732 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4734 opt_default("b:a", "448000");
4735 parse_option(o, "ar", "48000", options);
4737 } else if(!strncmp(arg, "dv", 2)) {
4739 parse_option(o, "f", "dv", options);
4741 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4742 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4743 norm == PAL ? "yuv420p" : "yuv411p", options);
4744 parse_option(o, "r", frame_rates[norm], options);
4746 parse_option(o, "ar", "48000", options);
4747 parse_option(o, "ac", "2", options);
4750 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4751 return AVERROR(EINVAL);
4756 static int opt_vstats_file(const char *opt, const char *arg)
4758 av_free (vstats_filename);
4759 vstats_filename=av_strdup (arg);
4763 static int opt_vstats(const char *opt, const char *arg)
4766 time_t today2 = time(NULL);
4767 struct tm *today = localtime(&today2);
4769 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4771 return opt_vstats_file(opt, filename);
4774 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4776 return parse_option(o, "frames:v", arg, options);
4779 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4781 return parse_option(o, "frames:a", arg, options);
4784 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4786 return parse_option(o, "frames:d", arg, options);
4789 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4792 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4793 const char *codec_name = *opt == 'v' ? video_codec_name :
4794 *opt == 'a' ? audio_codec_name :
4795 subtitle_codec_name;
4797 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4798 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4799 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4801 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4806 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4807 if(line[0] == '#' && !e)
4809 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4811 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4814 if(!strcmp(tmp, "acodec")){
4815 opt_audio_codec(o, tmp, tmp2);
4816 }else if(!strcmp(tmp, "vcodec")){
4817 opt_video_codec(o, tmp, tmp2);
4818 }else if(!strcmp(tmp, "scodec")){
4819 opt_subtitle_codec(o, tmp, tmp2);
4820 }else if(!strcmp(tmp, "dcodec")){
4821 opt_data_codec(o, tmp, tmp2);
4822 }else if(opt_default(tmp, tmp2) < 0){
4823 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4833 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4837 static int opt_passlogfile(const char *opt, const char *arg)
4839 pass_logfilename_prefix = arg;
4840 #if CONFIG_LIBX264_ENCODER
4841 return opt_default("passlogfile", arg);
4847 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4849 char *s= av_malloc(strlen(opt)+2);
4850 snprintf(s, strlen(opt)+2, "%s:%c", opt+1, *opt);
4851 return parse_option(o, s, arg, options);
4854 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4856 if(!strcmp(opt, "b")){
4857 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4858 return parse_option(o, av_strdup("b:v"), arg, options);
4860 return opt_default(opt, arg);
4863 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4865 return parse_option(o, "filter:v", arg, options);
4868 #define OFFSET(x) offsetof(OptionsContext, x)
4869 static const OptionDef options[] = {
4871 #include "cmdutils_common_opts.h"
4872 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4873 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4874 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4875 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4876 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4877 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4878 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4879 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4880 { "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]" },
4881 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4882 "outfile[,metadata]:infile[,metadata]" },
4883 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4884 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4885 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4886 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4887 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4888 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4889 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4890 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4891 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4892 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4893 "add timings for benchmarking" },
4894 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4895 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4896 "dump each input packet" },
4897 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4898 "when dumping packets, also dump the payload" },
4899 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4900 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4901 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4902 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4903 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4904 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4905 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4906 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4907 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
4908 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4909 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4910 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4911 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4912 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4913 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4914 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4915 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4917 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4919 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4920 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4921 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4924 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4925 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4926 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4927 { "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" },
4928 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4929 { "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" },
4930 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4931 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4932 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4933 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4934 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4935 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4936 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4937 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4938 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4939 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4940 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4941 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4942 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4943 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4944 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4945 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4946 "use same quantizer as source (implies VBR)" },
4947 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4948 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4949 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4950 "deinterlace pictures" },
4951 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4952 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4953 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4955 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4957 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4958 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4959 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4960 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4961 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
4962 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4963 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4964 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4965 { "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" },
4966 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
4969 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4970 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4971 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4972 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4973 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4974 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4975 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
4976 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4977 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4978 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
4980 /* subtitle options */
4981 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4982 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4983 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
4986 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4987 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4988 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4991 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4992 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4994 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4995 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
4996 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
4998 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4999 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5000 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5001 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5002 /* data codec support */
5003 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5004 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5006 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5010 int main(int argc, char **argv)
5012 OptionsContext o = { 0 };
5015 reset_options(&o, 0);
5017 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5018 parse_loglevel(argc, argv, options);
5020 if(argc>1 && !strcmp(argv[1], "-d")){
5022 av_log_set_callback(log_callback_null);
5027 avcodec_register_all();
5029 avdevice_register_all();
5032 avfilter_register_all();
5035 avformat_network_init();
5037 show_banner(argc, argv, options);
5042 parse_options(&o, argc, argv, options, opt_output_file);
5044 if(nb_output_files <= 0 && nb_input_files == 0) {
5046 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5050 /* file converter / grab */
5051 if (nb_output_files <= 0) {
5052 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5056 if (nb_input_files == 0) {
5057 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5062 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5064 ti = getutime() - ti;
5066 int maxrss = getmaxrss() / 1024;
5067 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);