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_output_streams; i++) {
816 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
818 AVBitStreamFilterContext *next = bsfc->next;
819 av_bitstream_filter_close(bsfc);
822 output_streams[i].bitstream_filters = NULL;
824 for (i = 0; i < nb_input_files; i++) {
825 avformat_close_input(&input_files[i].ctx);
827 for (i = 0; i < nb_input_streams; i++) {
828 av_freep(&input_streams[i].decoded_frame);
829 av_freep(&input_streams[i].filtered_frame);
830 av_dict_free(&input_streams[i].opts);
831 free_buffer_pool(&input_streams[i]);
836 av_free(vstats_filename);
838 av_freep(&input_streams);
839 av_freep(&input_files);
840 av_freep(&output_streams);
841 av_freep(&output_files);
846 allocated_audio_buf_size = allocated_audio_out_size = 0;
851 avformat_network_deinit();
853 av_freep(&input_tmp);
855 if (received_sigterm) {
856 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
857 (int) received_sigterm);
861 exit(ret); /* not all OS-es handle main() return value */
864 static void assert_avoptions(AVDictionary *m)
866 AVDictionaryEntry *t;
867 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
868 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
873 static void assert_codec_experimental(AVCodecContext *c, int encoder)
875 const char *codec_string = encoder ? "encoder" : "decoder";
877 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
878 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
879 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
880 "results.\nAdd '-strict experimental' if you want to use it.\n",
881 codec_string, c->codec->name);
882 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
883 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
884 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
885 codec_string, codec->name);
890 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
892 if (codec && codec->sample_fmts) {
893 const enum AVSampleFormat *p = codec->sample_fmts;
894 for (; *p != -1; p++) {
895 if (*p == st->codec->sample_fmt)
899 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
900 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
901 if(av_get_sample_fmt_name(st->codec->sample_fmt))
902 av_log(NULL, AV_LOG_WARNING,
903 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
904 av_get_sample_fmt_name(st->codec->sample_fmt),
906 av_get_sample_fmt_name(codec->sample_fmts[0]));
907 st->codec->sample_fmt = codec->sample_fmts[0];
912 static void choose_sample_rate(AVStream *st, AVCodec *codec)
914 if (codec && codec->supported_samplerates) {
915 const int *p = codec->supported_samplerates;
917 int best_dist = INT_MAX;
919 int dist = abs(st->codec->sample_rate - *p);
920 if (dist < best_dist) {
926 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
928 st->codec->sample_rate = best;
932 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
934 if (codec && codec->pix_fmts) {
935 const enum PixelFormat *p = codec->pix_fmts;
936 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
937 enum PixelFormat best= PIX_FMT_NONE;
938 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
939 if (st->codec->codec_id == CODEC_ID_MJPEG) {
940 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
941 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
942 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
943 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
946 for (; *p != PIX_FMT_NONE; p++) {
947 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
948 if (*p == st->codec->pix_fmt)
951 if (*p == PIX_FMT_NONE) {
952 if (st->codec->pix_fmt != PIX_FMT_NONE)
953 av_log(NULL, AV_LOG_WARNING,
954 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
955 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
957 av_pix_fmt_descriptors[best].name);
958 st->codec->pix_fmt = best;
963 static double get_sync_ipts(const OutputStream *ost)
965 const InputStream *ist = ost->sync_ist;
966 OutputFile *of = &output_files[ost->file_index];
967 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
970 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
972 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
973 AVCodecContext *avctx = ost->st->codec;
977 AVPacket new_pkt = *pkt;
978 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
979 &new_pkt.data, &new_pkt.size,
980 pkt->data, pkt->size,
981 pkt->flags & AV_PKT_FLAG_KEY);
984 new_pkt.destruct = av_destruct_packet;
986 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
987 bsfc->filter->name, pkt->stream_index,
988 avctx->codec ? avctx->codec->name : "copy");
998 ret = av_interleaved_write_frame(s, pkt);
1000 print_error("av_interleaved_write_frame()", ret);
1003 ost->frame_number++;
1006 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1008 int fill_char = 0x00;
1009 if (sample_fmt == AV_SAMPLE_FMT_U8)
1011 memset(buf, fill_char, size);
1014 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1015 InputStream *ist, AVFrame *decoded_frame)
1018 int64_t audio_out_size, audio_buf_size;
1020 int size_out, frame_bytes, ret, resample_changed;
1021 AVCodecContext *enc = ost->st->codec;
1022 AVCodecContext *dec = ist->st->codec;
1023 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1024 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1025 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
1026 uint8_t *buf = decoded_frame->data[0];
1027 int size = decoded_frame->nb_samples * dec->channels * isize;
1028 int64_t allocated_for_size = size;
1031 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1032 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1033 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1034 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1035 audio_buf_size *= osize * enc->channels;
1037 audio_out_size = FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
1038 if (coded_bps > 8 * osize)
1039 audio_out_size = audio_out_size * coded_bps / (8*osize);
1040 audio_out_size += FF_MIN_BUFFER_SIZE;
1042 if (audio_out_size > INT_MAX || audio_buf_size > INT_MAX) {
1043 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1047 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1048 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
1049 if (!audio_buf || !audio_out) {
1050 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1054 if (enc->channels != dec->channels
1055 || enc->sample_fmt != dec->sample_fmt
1056 || enc->sample_rate!= dec->sample_rate
1058 ost->audio_resample = 1;
1060 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1061 ost->resample_channels != dec->channels ||
1062 ost->resample_sample_rate != dec->sample_rate;
1064 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1065 if (resample_changed) {
1066 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",
1067 ist->file_index, ist->st->index,
1068 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1069 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1070 ost->resample_sample_fmt = dec->sample_fmt;
1071 ost->resample_channels = dec->channels;
1072 ost->resample_sample_rate = dec->sample_rate;
1073 swr_free(&ost->swr);
1075 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1076 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1077 ost->resample_sample_fmt == enc->sample_fmt &&
1078 ost->resample_channels == enc->channels &&
1079 ost->resample_sample_rate == enc->sample_rate) {
1081 ost->audio_resample = 0;
1083 ost->swr = swr_alloc_set_opts(ost->swr,
1084 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1085 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1087 if (ost->audio_channels_mapped)
1088 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1089 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1090 if (ost->audio_channels_mapped) {
1091 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1092 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1094 av_opt_set_int(ost->swr, "ich", dec->channels, 0);
1095 av_opt_set_int(ost->swr, "och", enc->channels, 0);
1096 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1097 if(ost->swr && swr_init(ost->swr) < 0){
1098 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1099 swr_free(&ost->swr);
1103 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1104 dec->channels, dec->sample_rate,
1105 enc->channels, enc->sample_rate);
1111 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1113 if (audio_sync_method) {
1114 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
1115 av_fifo_size(ost->fifo) / (enc->channels * osize);
1116 int idelta = delta * dec->sample_rate / enc->sample_rate;
1117 int byte_delta = idelta * isize * dec->channels;
1119 // FIXME resample delay
1120 if (fabs(delta) > 50) {
1121 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1122 if (byte_delta < 0) {
1123 byte_delta = FFMAX(byte_delta, -size);
1126 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1127 -byte_delta / (isize * dec->channels));
1132 input_tmp = av_realloc(input_tmp, byte_delta + size);
1134 if (byte_delta > allocated_for_size - size) {
1135 allocated_for_size = byte_delta + (int64_t)size;
1140 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1141 memcpy(input_tmp + byte_delta, buf, size);
1144 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1146 } else if (audio_sync_method > 1) {
1147 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1148 av_assert0(ost->audio_resample);
1149 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1150 delta, comp, enc->sample_rate);
1151 // 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));
1152 swr_compensate(ost->swr, comp, enc->sample_rate);
1156 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1157 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1159 if (ost->audio_resample) {
1161 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1162 (const uint8_t*[]){buf }, size / (dec->channels * isize));
1163 size_out = size_out * enc->channels * osize;
1169 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1171 /* now encode as many frames as possible */
1172 if (enc->frame_size > 1) {
1173 /* output resampled raw samples */
1174 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1175 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1178 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1180 frame_bytes = enc->frame_size * osize * enc->channels;
1182 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1184 av_init_packet(&pkt);
1186 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1188 // FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1190 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1191 (short *)audio_buf);
1193 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1197 pkt.stream_index = ost->index;
1198 pkt.data = audio_out;
1200 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1201 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1202 pkt.flags |= AV_PKT_FLAG_KEY;
1203 write_frame(s, &pkt, ost);
1205 ost->sync_opts += enc->frame_size;
1209 av_init_packet(&pkt);
1211 ost->sync_opts += size_out / (osize * enc->channels);
1213 /* output a pcm frame */
1214 /* determine the size of the coded buffer */
1217 size_out = size_out * coded_bps / 8;
1219 if (size_out > audio_out_size) {
1220 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1224 // FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1225 ret = avcodec_encode_audio(enc, audio_out, size_out,
1228 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1232 pkt.stream_index = ost->index;
1233 pkt.data = audio_out;
1235 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1236 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1237 pkt.flags |= AV_PKT_FLAG_KEY;
1238 write_frame(s, &pkt, ost);
1242 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1244 AVCodecContext *dec;
1245 AVPicture *picture2;
1246 AVPicture picture_tmp;
1249 dec = ist->st->codec;
1251 /* deinterlace : must be done before any resize */
1252 if (do_deinterlace) {
1255 /* create temporary picture */
1256 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1257 buf = av_malloc(size);
1261 picture2 = &picture_tmp;
1262 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1264 if (avpicture_deinterlace(picture2, picture,
1265 dec->pix_fmt, dec->width, dec->height) < 0) {
1266 /* if error, do not deinterlace */
1267 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1276 if (picture != picture2)
1277 *picture = *picture2;
1281 static void do_subtitle_out(AVFormatContext *s,
1287 static uint8_t *subtitle_out = NULL;
1288 int subtitle_out_max_size = 1024 * 1024;
1289 int subtitle_out_size, nb, i;
1290 AVCodecContext *enc;
1293 if (pts == AV_NOPTS_VALUE) {
1294 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1300 enc = ost->st->codec;
1302 if (!subtitle_out) {
1303 subtitle_out = av_malloc(subtitle_out_max_size);
1306 /* Note: DVB subtitle need one packet to draw them and one other
1307 packet to clear them */
1308 /* XXX: signal it in the codec context ? */
1309 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1314 for (i = 0; i < nb; i++) {
1315 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1316 // start_display_time is required to be 0
1317 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1318 sub->end_display_time -= sub->start_display_time;
1319 sub->start_display_time = 0;
1320 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1321 subtitle_out_max_size, sub);
1322 if (subtitle_out_size < 0) {
1323 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1327 av_init_packet(&pkt);
1328 pkt.stream_index = ost->index;
1329 pkt.data = subtitle_out;
1330 pkt.size = subtitle_out_size;
1331 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1332 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1333 /* XXX: the pts correction is handled here. Maybe handling
1334 it in the codec would be better */
1336 pkt.pts += 90 * sub->start_display_time;
1338 pkt.pts += 90 * sub->end_display_time;
1340 write_frame(s, &pkt, ost);
1344 static int bit_buffer_size = 1024 * 256;
1345 static uint8_t *bit_buffer = NULL;
1347 static void do_video_resample(OutputStream *ost,
1349 AVFrame *in_picture,
1350 AVFrame **out_picture)
1353 *out_picture = in_picture;
1355 AVCodecContext *dec = ist->st->codec;
1356 AVCodecContext *enc = ost->st->codec;
1357 int resample_changed = ost->resample_width != dec->width ||
1358 ost->resample_height != dec->height ||
1359 ost->resample_pix_fmt != dec->pix_fmt;
1361 *out_picture = in_picture;
1362 if (resample_changed) {
1363 av_log(NULL, AV_LOG_INFO,
1364 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1365 ist->file_index, ist->st->index,
1366 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1367 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1368 ost->resample_width = dec->width;
1369 ost->resample_height = dec->height;
1370 ost->resample_pix_fmt = dec->pix_fmt;
1373 ost->video_resample = dec->width != enc->width ||
1374 dec->height != enc->height ||
1375 dec->pix_fmt != enc->pix_fmt;
1377 if (ost->video_resample) {
1378 *out_picture = &ost->resample_frame;
1379 if (!ost->img_resample_ctx || resample_changed) {
1380 /* initialize the destination picture */
1381 if (!ost->resample_frame.data[0]) {
1382 avcodec_get_frame_defaults(&ost->resample_frame);
1383 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1384 enc->width, enc->height)) {
1385 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1389 /* initialize a new scaler context */
1390 sws_freeContext(ost->img_resample_ctx);
1391 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1392 enc->width, enc->height, enc->pix_fmt,
1393 ost->sws_flags, NULL, NULL, NULL);
1394 if (ost->img_resample_ctx == NULL) {
1395 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1399 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1400 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1406 static void do_video_out(AVFormatContext *s,
1409 AVFrame *in_picture,
1410 int *frame_size, float quality)
1412 int nb_frames, i, ret, format_video_sync;
1413 AVFrame *final_picture;
1414 AVCodecContext *enc;
1416 double duration = 0;
1418 enc = ost->st->codec;
1420 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1421 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1422 if(ist->st->avg_frame_rate.num)
1423 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1425 duration /= av_q2d(enc->time_base);
1428 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1430 /* by default, we output a single frame */
1435 format_video_sync = video_sync_method;
1436 if (format_video_sync < 0)
1437 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? 0 : 2) : 1;
1439 if (format_video_sync) {
1440 double vdelta = sync_ipts - ost->sync_opts + duration;
1441 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1444 else if (format_video_sync == 2) {
1445 if (vdelta <= -0.6) {
1447 } else if (vdelta > 0.6)
1448 ost->sync_opts = lrintf(sync_ipts);
1449 } else if (vdelta > 1.1)
1450 nb_frames = lrintf(vdelta);
1451 //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);
1452 if (nb_frames == 0) {
1454 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1455 } else if (nb_frames > 1) {
1456 nb_frames_dup += nb_frames - 1;
1457 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1460 ost->sync_opts = lrintf(sync_ipts);
1462 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1466 do_video_resample(ost, ist, in_picture, &final_picture);
1468 /* duplicates frame if needed */
1469 for (i = 0; i < nb_frames; i++) {
1471 av_init_packet(&pkt);
1472 pkt.stream_index = ost->index;
1474 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1475 enc->codec->id == CODEC_ID_RAWVIDEO) {
1476 /* raw pictures are written as AVPicture structure to
1477 avoid any copies. We support temporarily the older
1479 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1480 enc->coded_frame->top_field_first = in_picture->top_field_first;
1481 pkt.data = (uint8_t *)final_picture;
1482 pkt.size = sizeof(AVPicture);
1483 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1484 pkt.flags |= AV_PKT_FLAG_KEY;
1486 write_frame(s, &pkt, ost);
1488 AVFrame big_picture;
1490 big_picture = *final_picture;
1491 /* better than nothing: use input picture interlaced
1493 big_picture.interlaced_frame = in_picture->interlaced_frame;
1494 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1495 if (ost->top_field_first == -1)
1496 big_picture.top_field_first = in_picture->top_field_first;
1498 big_picture.top_field_first = !!ost->top_field_first;
1501 /* handles same_quant here. This is not correct because it may
1502 not be a global option */
1503 big_picture.quality = quality;
1504 if (!enc->me_threshold)
1505 big_picture.pict_type = 0;
1506 // big_picture.pts = AV_NOPTS_VALUE;
1507 big_picture.pts = ost->sync_opts;
1508 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1509 // av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1510 if (ost->forced_kf_index < ost->forced_kf_count &&
1511 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1512 big_picture.pict_type = AV_PICTURE_TYPE_I;
1513 ost->forced_kf_index++;
1515 ret = avcodec_encode_video(enc,
1516 bit_buffer, bit_buffer_size,
1519 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1524 pkt.data = bit_buffer;
1526 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1527 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1528 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1529 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1530 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1532 if (enc->coded_frame->key_frame)
1533 pkt.flags |= AV_PKT_FLAG_KEY;
1534 write_frame(s, &pkt, ost);
1537 // fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1538 // enc->frame_number-1, ret, enc->pict_type);
1539 /* if two pass, output log */
1540 if (ost->logfile && enc->stats_out) {
1541 fprintf(ost->logfile, "%s", enc->stats_out);
1549 static double psnr(double d)
1551 return -10.0 * log(d) / log(10.0);
1554 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1557 AVCodecContext *enc;
1559 double ti1, bitrate, avg_bitrate;
1561 /* this is executed just the first time do_video_stats is called */
1563 vstats_file = fopen(vstats_filename, "w");
1570 enc = ost->st->codec;
1571 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1572 frame_number = ost->frame_number;
1573 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1574 if (enc->flags&CODEC_FLAG_PSNR)
1575 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1577 fprintf(vstats_file,"f_size= %6d ", frame_size);
1578 /* compute pts value */
1579 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1583 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1584 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1585 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1586 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1587 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1591 static void print_report(OutputFile *output_files,
1592 OutputStream *ost_table, int nb_ostreams,
1593 int is_last_report, int64_t timer_start, int64_t cur_time)
1597 AVFormatContext *oc;
1599 AVCodecContext *enc;
1600 int frame_number, vid, i;
1602 int64_t pts = INT64_MAX;
1603 static int64_t last_time = -1;
1604 static int qp_histogram[52];
1605 int hours, mins, secs, us;
1607 if (!print_stats && !is_last_report)
1610 if (!is_last_report) {
1611 if (last_time == -1) {
1612 last_time = cur_time;
1615 if ((cur_time - last_time) < 500000)
1617 last_time = cur_time;
1621 oc = output_files[0].ctx;
1623 total_size = avio_size(oc->pb);
1624 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1625 total_size = avio_tell(oc->pb);
1632 for (i = 0; i < nb_ostreams; i++) {
1634 ost = &ost_table[i];
1635 enc = ost->st->codec;
1636 if (!ost->stream_copy && enc->coded_frame)
1637 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1638 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1639 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1641 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1642 float t = (cur_time-timer_start) / 1000000.0;
1644 frame_number = ost->frame_number;
1645 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1646 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1648 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1652 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1654 for (j = 0; j < 32; j++)
1655 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1657 if (enc->flags&CODEC_FLAG_PSNR) {
1659 double error, error_sum = 0;
1660 double scale, scale_sum = 0;
1661 char type[3] = { 'Y','U','V' };
1662 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1663 for (j = 0; j < 3; j++) {
1664 if (is_last_report) {
1665 error = enc->error[j];
1666 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1668 error = enc->coded_frame->error[j];
1669 scale = enc->width * enc->height * 255.0 * 255.0;
1675 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1677 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1681 /* compute min output value */
1682 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1683 ost->st->time_base, AV_TIME_BASE_Q));
1686 secs = pts / AV_TIME_BASE;
1687 us = pts % AV_TIME_BASE;
1693 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1695 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1696 "size=%8.0fkB time=", total_size / 1024.0);
1697 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1698 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1699 (100 * us) / AV_TIME_BASE);
1700 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1701 "bitrate=%6.1fkbits/s", bitrate);
1703 if (nb_frames_dup || nb_frames_drop)
1704 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1705 nb_frames_dup, nb_frames_drop);
1707 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1711 if (is_last_report) {
1712 int64_t raw= audio_size + video_size + extra_size;
1713 av_log(NULL, AV_LOG_INFO, "\n");
1714 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1715 video_size / 1024.0,
1716 audio_size / 1024.0,
1717 extra_size / 1024.0,
1718 100.0 * (total_size - raw) / raw
1720 if(video_size + audio_size + extra_size == 0){
1721 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1726 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1730 for (i = 0; i < nb_ostreams; i++) {
1731 OutputStream *ost = &ost_table[i];
1732 AVCodecContext *enc = ost->st->codec;
1733 AVFormatContext *os = output_files[ost->file_index].ctx;
1735 if (!ost->encoding_needed)
1738 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1740 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1746 av_init_packet(&pkt);
1747 pkt.stream_index = ost->index;
1749 switch (ost->st->codec->codec_type) {
1750 case AVMEDIA_TYPE_AUDIO:
1751 fifo_bytes = av_fifo_size(ost->fifo);
1753 /* encode any samples remaining in fifo */
1754 if (fifo_bytes > 0) {
1755 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1756 int fs_tmp = enc->frame_size;
1758 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1759 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1760 enc->frame_size = fifo_bytes / (osize * enc->channels);
1762 int frame_bytes = enc->frame_size*osize*enc->channels;
1763 if (allocated_audio_buf_size < frame_bytes)
1765 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1768 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1769 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1770 ost->st->time_base.num, enc->sample_rate);
1771 enc->frame_size = fs_tmp;
1774 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1777 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1781 pkt.flags |= AV_PKT_FLAG_KEY;
1783 case AVMEDIA_TYPE_VIDEO:
1784 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1786 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1790 if (enc->coded_frame && enc->coded_frame->key_frame)
1791 pkt.flags |= AV_PKT_FLAG_KEY;
1792 if (ost->logfile && enc->stats_out) {
1793 fprintf(ost->logfile, "%s", enc->stats_out);
1802 pkt.data = bit_buffer;
1804 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1805 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1806 write_frame(os, &pkt, ost);
1812 * Check whether a packet from ist should be written into ost at this time
1814 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1816 OutputFile *of = &output_files[ost->file_index];
1817 int ist_index = ist - input_streams;
1819 if (ost->source_index != ist_index)
1822 if (of->start_time && ist->pts < of->start_time)
1825 if (of->recording_time != INT64_MAX &&
1826 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1827 (AVRational){ 1, 1000000 }) >= 0) {
1828 ost->is_past_recording_time = 1;
1835 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1837 OutputFile *of = &output_files[ost->file_index];
1838 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1842 av_init_packet(&opkt);
1844 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1845 !ost->copy_initial_nonkeyframes)
1848 /* force the input stream PTS */
1849 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1850 audio_size += pkt->size;
1851 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1852 video_size += pkt->size;
1856 opkt.stream_index = ost->index;
1857 if (pkt->pts != AV_NOPTS_VALUE)
1858 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1860 opkt.pts = AV_NOPTS_VALUE;
1862 if (pkt->dts == AV_NOPTS_VALUE)
1863 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1865 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1866 opkt.dts -= ost_tb_start_time;
1868 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1869 opkt.flags = pkt->flags;
1871 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1872 if ( ost->st->codec->codec_id != CODEC_ID_H264
1873 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1874 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1876 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1877 opkt.destruct = av_destruct_packet;
1879 opkt.data = pkt->data;
1880 opkt.size = pkt->size;
1882 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1883 /* store AVPicture in AVPacket, as expected by the output format */
1884 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1885 opkt.data = (uint8_t *)&pict;
1886 opkt.size = sizeof(AVPicture);
1887 opkt.flags |= AV_PKT_FLAG_KEY;
1890 write_frame(of->ctx, &opkt, ost);
1891 ost->st->codec->frame_number++;
1892 av_free_packet(&opkt);
1895 static void rate_emu_sleep(InputStream *ist)
1897 if (input_files[ist->file_index].rate_emu) {
1898 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1899 int64_t now = av_gettime() - ist->start;
1905 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1907 AVFrame *decoded_frame;
1908 AVCodecContext *avctx = ist->st->codec;
1909 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1912 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1913 return AVERROR(ENOMEM);
1915 avcodec_get_frame_defaults(ist->decoded_frame);
1916 decoded_frame = ist->decoded_frame;
1918 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1924 /* no audio frame */
1928 /* if the decoder provides a pts, use it instead of the last packet pts.
1929 the decoder could be delaying output by a packet or more. */
1930 if (decoded_frame->pts != AV_NOPTS_VALUE)
1931 ist->next_pts = decoded_frame->pts;
1933 /* increment next_pts to use for the case where the input stream does not
1934 have timestamps or there are multiple frames in the packet */
1935 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1938 // preprocess audio (volume)
1939 if (audio_volume != 256) {
1940 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1941 void *samples = decoded_frame->data[0];
1942 switch (avctx->sample_fmt) {
1943 case AV_SAMPLE_FMT_U8:
1945 uint8_t *volp = samples;
1946 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1947 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1948 *volp++ = av_clip_uint8(v);
1952 case AV_SAMPLE_FMT_S16:
1954 int16_t *volp = samples;
1955 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1956 int v = ((*volp) * audio_volume + 128) >> 8;
1957 *volp++ = av_clip_int16(v);
1961 case AV_SAMPLE_FMT_S32:
1963 int32_t *volp = samples;
1964 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1965 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1966 *volp++ = av_clipl_int32(v);
1970 case AV_SAMPLE_FMT_FLT:
1972 float *volp = samples;
1973 float scale = audio_volume / 256.f;
1974 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1979 case AV_SAMPLE_FMT_DBL:
1981 double *volp = samples;
1982 double scale = audio_volume / 256.;
1983 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1989 av_log(NULL, AV_LOG_FATAL,
1990 "Audio volume adjustment on sample format %s is not supported.\n",
1991 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1996 rate_emu_sleep(ist);
1998 for (i = 0; i < nb_output_streams; i++) {
1999 OutputStream *ost = &output_streams[i];
2001 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2003 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2009 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts, int64_t *pkt_dts)
2011 AVFrame *decoded_frame, *filtered_frame = NULL;
2012 void *buffer_to_free = NULL;
2016 int frame_available = 1;
2019 int64_t *best_effort_timestamp;
2020 AVRational *frame_sample_aspect;
2022 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2023 return AVERROR(ENOMEM);
2025 avcodec_get_frame_defaults(ist->decoded_frame);
2026 decoded_frame = ist->decoded_frame;
2027 pkt->pts = *pkt_pts;
2028 pkt->dts = *pkt_dts;
2029 *pkt_pts = AV_NOPTS_VALUE;
2031 if (pkt->duration) {
2032 duration = av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2033 } else if(ist->st->codec->time_base.num != 0) {
2034 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2035 duration = ((int64_t)AV_TIME_BASE *
2036 ist->st->codec->time_base.num * ticks) /
2037 ist->st->codec->time_base.den;
2040 if(*pkt_dts != AV_NOPTS_VALUE && duration) {
2041 *pkt_dts += duration;
2043 *pkt_dts = AV_NOPTS_VALUE;
2045 ret = avcodec_decode_video2(ist->st->codec,
2046 decoded_frame, got_output, pkt);
2050 quality = same_quant ? decoded_frame->quality : 0;
2052 /* no picture yet */
2056 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2057 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2058 ist->next_pts = ist->pts = *best_effort_timestamp;
2060 ist->next_pts += duration;
2063 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2066 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2067 for(i=0;i<nb_output_streams;i++) {
2068 OutputStream *ost = ost = &output_streams[i];
2069 if(check_output_constraints(ist, ost)){
2070 if (!frame_sample_aspect->num)
2071 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2072 decoded_frame->pts = ist->pts;
2073 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2074 FrameBuffer *buf = decoded_frame->opaque;
2075 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2076 decoded_frame->data, decoded_frame->linesize,
2077 AV_PERM_READ | AV_PERM_PRESERVE,
2078 ist->st->codec->width, ist->st->codec->height,
2079 ist->st->codec->pix_fmt);
2081 avfilter_copy_frame_props(fb, decoded_frame);
2083 fb->buf->priv = buf;
2084 fb->buf->free = filter_release_buffer;
2087 av_buffersrc_buffer(ost->input_video_filter, fb);
2089 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2090 av_log(0, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2097 rate_emu_sleep(ist);
2099 for (i = 0; i < nb_output_streams; i++) {
2100 OutputStream *ost = &output_streams[i];
2103 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2107 if (ost->input_video_filter) {
2108 frame_available = av_buffersink_poll_frame(ost->output_video_filter);
2110 while (frame_available) {
2111 if (ost->output_video_filter) {
2112 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2113 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2114 av_log(0, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2117 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2118 av_free(buffer_to_free);
2119 return AVERROR(ENOMEM);
2121 avcodec_get_frame_defaults(ist->filtered_frame);
2122 filtered_frame = ist->filtered_frame;
2123 *filtered_frame= *decoded_frame; //for me_threshold
2125 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2126 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2129 if (ost->picref->video && !ost->frame_aspect_ratio)
2130 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2132 filtered_frame = decoded_frame;
2135 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2136 same_quant ? quality : ost->st->codec->global_quality);
2137 if (vstats_filename && frame_size)
2138 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2141 frame_available = ost->output_video_filter && av_buffersink_poll_frame(ost->output_video_filter);
2142 avfilter_unref_buffer(ost->picref);
2147 av_free(buffer_to_free);
2151 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2153 AVSubtitle subtitle;
2154 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2155 &subtitle, got_output, pkt);
2161 rate_emu_sleep(ist);
2163 for (i = 0; i < nb_output_streams; i++) {
2164 OutputStream *ost = &output_streams[i];
2166 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2169 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2172 avsubtitle_free(&subtitle);
2176 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2177 static int output_packet(InputStream *ist,
2178 OutputStream *ost_table, int nb_ostreams,
2179 const AVPacket *pkt)
2183 int64_t pkt_dts = AV_NOPTS_VALUE;
2184 int64_t pkt_pts = AV_NOPTS_VALUE;
2188 if (ist->next_pts == AV_NOPTS_VALUE)
2189 ist->next_pts = ist->pts;
2193 av_init_packet(&avpkt);
2201 if (pkt->dts != AV_NOPTS_VALUE) {
2202 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2203 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2204 pkt_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2206 if(pkt->pts != AV_NOPTS_VALUE)
2207 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2209 // while we have more to decode or while the decoder did output something on EOF
2210 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2213 ist->pts = ist->next_pts;
2215 if (avpkt.size && avpkt.size != pkt->size) {
2216 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2217 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2218 ist->showed_multi_packet_warning = 1;
2221 switch (ist->st->codec->codec_type) {
2222 case AVMEDIA_TYPE_AUDIO:
2223 ret = transcode_audio (ist, &avpkt, &got_output);
2225 case AVMEDIA_TYPE_VIDEO:
2226 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts, &pkt_dts);
2228 case AVMEDIA_TYPE_SUBTITLE:
2229 ret = transcode_subtitles(ist, &avpkt, &got_output);
2239 avpkt.pts= AV_NOPTS_VALUE;
2241 // touch data and size only if not EOF
2243 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2253 /* handle stream copy */
2254 if (!ist->decoding_needed) {
2255 rate_emu_sleep(ist);
2256 ist->pts = ist->next_pts;
2257 switch (ist->st->codec->codec_type) {
2258 case AVMEDIA_TYPE_AUDIO:
2259 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2260 ist->st->codec->sample_rate;
2262 case AVMEDIA_TYPE_VIDEO:
2263 if (pkt->duration) {
2264 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2265 } else if(ist->st->codec->time_base.num != 0) {
2266 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2267 ist->next_pts += ((int64_t)AV_TIME_BASE *
2268 ist->st->codec->time_base.num * ticks) /
2269 ist->st->codec->time_base.den;
2274 for (i = 0; pkt && i < nb_ostreams; i++) {
2275 OutputStream *ost = &ost_table[i];
2277 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2280 do_streamcopy(ist, ost, pkt);
2286 static void print_sdp(OutputFile *output_files, int n)
2290 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2294 for (i = 0; i < n; i++)
2295 avc[i] = output_files[i].ctx;
2297 av_sdp_create(avc, n, sdp, sizeof(sdp));
2298 printf("SDP:\n%s\n", sdp);
2303 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2304 char *error, int error_len)
2306 InputStream *ist = &input_streams[ist_index];
2307 if (ist->decoding_needed) {
2308 AVCodec *codec = ist->dec;
2310 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2311 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2312 return AVERROR(EINVAL);
2315 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2316 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2317 ist->st->codec->get_buffer = codec_get_buffer;
2318 ist->st->codec->release_buffer = codec_release_buffer;
2319 ist->st->codec->opaque = ist;
2322 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2323 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2324 ist->file_index, ist->st->index);
2325 return AVERROR(EINVAL);
2327 assert_codec_experimental(ist->st->codec, 0);
2328 assert_avoptions(ist->opts);
2331 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;
2332 ist->next_pts = AV_NOPTS_VALUE;
2338 static int transcode_init(OutputFile *output_files, int nb_output_files,
2339 InputFile *input_files, int nb_input_files)
2341 int ret = 0, i, j, k;
2342 AVFormatContext *oc;
2343 AVCodecContext *codec, *icodec;
2349 /* init framerate emulation */
2350 for (i = 0; i < nb_input_files; i++) {
2351 InputFile *ifile = &input_files[i];
2352 if (ifile->rate_emu)
2353 for (j = 0; j < ifile->nb_streams; j++)
2354 input_streams[j + ifile->ist_index].start = av_gettime();
2357 /* output stream init */
2358 for (i = 0; i < nb_output_files; i++) {
2359 oc = output_files[i].ctx;
2360 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2361 av_dump_format(oc, i, oc->filename, 1);
2362 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2363 return AVERROR(EINVAL);
2367 /* for each output stream, we compute the right encoding parameters */
2368 for (i = 0; i < nb_output_streams; i++) {
2369 ost = &output_streams[i];
2370 oc = output_files[ost->file_index].ctx;
2371 ist = &input_streams[ost->source_index];
2373 if (ost->attachment_filename)
2376 codec = ost->st->codec;
2377 icodec = ist->st->codec;
2379 ost->st->disposition = ist->st->disposition;
2380 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2381 codec->chroma_sample_location = icodec->chroma_sample_location;
2383 if (ost->stream_copy) {
2384 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2386 if (extra_size > INT_MAX) {
2387 return AVERROR(EINVAL);
2390 /* if stream_copy is selected, no need to decode or encode */
2391 codec->codec_id = icodec->codec_id;
2392 codec->codec_type = icodec->codec_type;
2394 if (!codec->codec_tag) {
2395 if (!oc->oformat->codec_tag ||
2396 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2397 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2398 codec->codec_tag = icodec->codec_tag;
2401 codec->bit_rate = icodec->bit_rate;
2402 codec->rc_max_rate = icodec->rc_max_rate;
2403 codec->rc_buffer_size = icodec->rc_buffer_size;
2404 codec->field_order = icodec->field_order;
2405 codec->extradata = av_mallocz(extra_size);
2406 if (!codec->extradata) {
2407 return AVERROR(ENOMEM);
2409 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2410 codec->extradata_size= icodec->extradata_size;
2412 codec->time_base = ist->st->time_base;
2413 if(!strcmp(oc->oformat->name, "avi")) {
2414 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2415 && av_q2d(ist->st->time_base) < 1.0/500
2417 codec->time_base = icodec->time_base;
2418 codec->time_base.num *= icodec->ticks_per_frame;
2419 codec->time_base.den *= 2;
2421 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2422 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2423 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2425 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2426 && av_q2d(ist->st->time_base) < 1.0/500
2428 codec->time_base = icodec->time_base;
2429 codec->time_base.num *= icodec->ticks_per_frame;
2432 av_reduce(&codec->time_base.num, &codec->time_base.den,
2433 codec->time_base.num, codec->time_base.den, INT_MAX);
2435 switch (codec->codec_type) {
2436 case AVMEDIA_TYPE_AUDIO:
2437 if (audio_volume != 256) {
2438 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2441 codec->channel_layout = icodec->channel_layout;
2442 codec->sample_rate = icodec->sample_rate;
2443 codec->channels = icodec->channels;
2444 codec->frame_size = icodec->frame_size;
2445 codec->audio_service_type = icodec->audio_service_type;
2446 codec->block_align = icodec->block_align;
2448 case AVMEDIA_TYPE_VIDEO:
2449 codec->pix_fmt = icodec->pix_fmt;
2450 codec->width = icodec->width;
2451 codec->height = icodec->height;
2452 codec->has_b_frames = icodec->has_b_frames;
2453 if (!codec->sample_aspect_ratio.num) {
2454 codec->sample_aspect_ratio =
2455 ost->st->sample_aspect_ratio =
2456 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2457 ist->st->codec->sample_aspect_ratio.num ?
2458 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2460 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2462 case AVMEDIA_TYPE_SUBTITLE:
2463 codec->width = icodec->width;
2464 codec->height = icodec->height;
2466 case AVMEDIA_TYPE_DATA:
2467 case AVMEDIA_TYPE_ATTACHMENT:
2474 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2476 ist->decoding_needed = 1;
2477 ost->encoding_needed = 1;
2479 switch (codec->codec_type) {
2480 case AVMEDIA_TYPE_AUDIO:
2481 ost->fifo = av_fifo_alloc(1024);
2483 return AVERROR(ENOMEM);
2485 if (!codec->sample_rate)
2486 codec->sample_rate = icodec->sample_rate;
2487 choose_sample_rate(ost->st, ost->enc);
2488 codec->time_base = (AVRational){ 1, codec->sample_rate };
2490 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2491 codec->sample_fmt = icodec->sample_fmt;
2492 choose_sample_fmt(ost->st, ost->enc);
2494 if (ost->audio_channels_mapped) {
2495 /* the requested output channel is set to the number of
2496 * -map_channel only if no -ac are specified */
2497 if (!codec->channels) {
2498 codec->channels = ost->audio_channels_mapped;
2499 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2500 if (!codec->channel_layout) {
2501 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2505 /* fill unused channel mapping with -1 (which means a muted
2506 * channel in case the number of output channels is bigger
2507 * than the number of mapped channel) */
2508 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2509 ost->audio_channels_map[j] = -1;
2510 } else if (!codec->channels) {
2511 codec->channels = icodec->channels;
2512 codec->channel_layout = icodec->channel_layout;
2514 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2515 codec->channel_layout = 0;
2517 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2518 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2519 || codec->channel_layout != icodec->channel_layout;
2520 icodec->request_channels = codec->channels;
2521 ost->resample_sample_fmt = icodec->sample_fmt;
2522 ost->resample_sample_rate = icodec->sample_rate;
2523 ost->resample_channels = icodec->channels;
2525 case AVMEDIA_TYPE_VIDEO:
2526 if (codec->pix_fmt == PIX_FMT_NONE)
2527 codec->pix_fmt = icodec->pix_fmt;
2528 choose_pixel_fmt(ost->st, ost->enc);
2530 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2531 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2535 if (!codec->width || !codec->height) {
2536 codec->width = icodec->width;
2537 codec->height = icodec->height;
2540 ost->video_resample = codec->width != icodec->width ||
2541 codec->height != icodec->height ||
2542 codec->pix_fmt != icodec->pix_fmt;
2543 if (ost->video_resample) {
2544 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2547 ost->resample_height = icodec->height;
2548 ost->resample_width = icodec->width;
2549 ost->resample_pix_fmt = icodec->pix_fmt;
2551 if (!ost->frame_rate.num)
2552 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2553 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2554 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2555 ost->frame_rate = ost->enc->supported_framerates[idx];
2557 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2558 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method
2559 && (video_sync_method==1 || (video_sync_method<0 && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2560 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2561 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2563 for (j = 0; j < ost->forced_kf_count; j++)
2564 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2569 if (configure_video_filters(ist, ost)) {
2570 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2575 case AVMEDIA_TYPE_SUBTITLE:
2582 if (codec->codec_id != CODEC_ID_H264 &&
2583 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2584 char logfilename[1024];
2587 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2588 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2590 if (codec->flags & CODEC_FLAG_PASS2) {
2592 size_t logbuffer_size;
2593 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2594 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2598 codec->stats_in = logbuffer;
2600 if (codec->flags & CODEC_FLAG_PASS1) {
2601 f = fopen(logfilename, "wb");
2603 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2604 logfilename, strerror(errno));
2611 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2612 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size (1664)*/
2613 int size = codec->width * codec->height;
2614 bit_buffer_size = FFMAX(bit_buffer_size, 7*size + 10000);
2619 bit_buffer = av_malloc(bit_buffer_size);
2621 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2623 return AVERROR(ENOMEM);
2626 /* open each encoder */
2627 for (i = 0; i < nb_output_streams; i++) {
2628 ost = &output_streams[i];
2629 if (ost->encoding_needed) {
2630 AVCodec *codec = ost->enc;
2631 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2633 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2634 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2635 ret = AVERROR(EINVAL);
2638 if (dec->subtitle_header) {
2639 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2640 if (!ost->st->codec->subtitle_header) {
2641 ret = AVERROR(ENOMEM);
2644 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2645 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2647 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2648 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2649 ost->file_index, ost->index);
2650 ret = AVERROR(EINVAL);
2653 assert_codec_experimental(ost->st->codec, 1);
2654 assert_avoptions(ost->opts);
2655 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2656 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2657 " It takes bits/s as argument, not kbits/s\n");
2658 extra_size += ost->st->codec->extradata_size;
2660 if (ost->st->codec->me_threshold)
2661 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2665 /* init input streams */
2666 for (i = 0; i < nb_input_streams; i++)
2667 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2670 /* discard unused programs */
2671 for (i = 0; i < nb_input_files; i++) {
2672 InputFile *ifile = &input_files[i];
2673 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2674 AVProgram *p = ifile->ctx->programs[j];
2675 int discard = AVDISCARD_ALL;
2677 for (k = 0; k < p->nb_stream_indexes; k++)
2678 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2679 discard = AVDISCARD_DEFAULT;
2682 p->discard = discard;
2686 /* open files and write file headers */
2687 for (i = 0; i < nb_output_files; i++) {
2688 oc = output_files[i].ctx;
2689 oc->interrupt_callback = int_cb;
2690 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2691 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2692 ret = AVERROR(EINVAL);
2695 // assert_avoptions(output_files[i].opts);
2696 if (strcmp(oc->oformat->name, "rtp")) {
2702 /* dump the file output parameters - cannot be done before in case
2704 for (i = 0; i < nb_output_files; i++) {
2705 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2708 /* dump the stream mapping */
2709 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2710 for (i = 0; i < nb_output_streams; i++) {
2711 ost = &output_streams[i];
2713 if (ost->attachment_filename) {
2714 /* an attached file */
2715 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2716 ost->attachment_filename, ost->file_index, ost->index);
2719 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2720 input_streams[ost->source_index].file_index,
2721 input_streams[ost->source_index].st->index,
2724 if (ost->audio_channels_mapped) {
2725 av_log(NULL, AV_LOG_INFO, " [ch:");
2726 for (j = 0; j < ost->audio_channels_mapped; j++)
2727 if (ost->audio_channels_map[j] == -1)
2728 av_log(NULL, AV_LOG_INFO, " M");
2730 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2731 av_log(NULL, AV_LOG_INFO, "]");
2733 if (ost->sync_ist != &input_streams[ost->source_index])
2734 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2735 ost->sync_ist->file_index,
2736 ost->sync_ist->st->index);
2737 if (ost->stream_copy)
2738 av_log(NULL, AV_LOG_INFO, " (copy)");
2740 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2741 input_streams[ost->source_index].dec->name : "?",
2742 ost->enc ? ost->enc->name : "?");
2743 av_log(NULL, AV_LOG_INFO, "\n");
2747 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2752 print_sdp(output_files, nb_output_files);
2759 * The following code is the main loop of the file converter
2761 static int transcode(OutputFile *output_files, int nb_output_files,
2762 InputFile *input_files, int nb_input_files)
2765 AVFormatContext *is, *os;
2769 int no_packet_count = 0;
2770 int64_t timer_start;
2773 if (!(no_packet = av_mallocz(nb_input_files)))
2776 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2781 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2784 timer_start = av_gettime();
2786 for (; received_sigterm == 0;) {
2787 int file_index, ist_index;
2791 int64_t cur_time= av_gettime();
2793 ipts_min = INT64_MAX;
2795 /* if 'q' pressed, exits */
2797 static int64_t last_time;
2798 if (received_nb_signals)
2800 /* read_key() returns 0 on EOF */
2801 if(cur_time - last_time >= 100000 && !run_as_daemon){
2803 last_time = cur_time;
2808 if (key == '+') av_log_set_level(av_log_get_level()+10);
2809 if (key == '-') av_log_set_level(av_log_get_level()-10);
2810 if (key == 's') qp_hist ^= 1;
2813 do_hex_dump = do_pkt_dump = 0;
2814 } else if(do_pkt_dump){
2818 av_log_set_level(AV_LOG_DEBUG);
2821 if (key == 'c' || key == 'C'){
2822 char buf[4096], target[64], command[256], arg[256] = {0};
2825 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2827 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2832 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2833 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2834 target, time, command, arg);
2835 for (i = 0; i < nb_output_streams; i++) {
2836 ost = &output_streams[i];
2839 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2840 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2841 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2843 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2848 av_log(NULL, AV_LOG_ERROR,
2849 "Parse error, at least 3 arguments were expected, "
2850 "only %d given in string '%s'\n", n, buf);
2854 if (key == 'd' || key == 'D'){
2857 debug = input_streams[0].st->codec->debug<<1;
2858 if(!debug) debug = 1;
2859 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2862 if(scanf("%d", &debug)!=1)
2863 fprintf(stderr,"error parsing debug value\n");
2864 for(i=0;i<nb_input_streams;i++) {
2865 input_streams[i].st->codec->debug = debug;
2867 for(i=0;i<nb_output_streams;i++) {
2868 ost = &output_streams[i];
2869 ost->st->codec->debug = debug;
2871 if(debug) av_log_set_level(AV_LOG_DEBUG);
2872 fprintf(stderr,"debug=%d\n", debug);
2875 fprintf(stderr, "key function\n"
2876 "? show this help\n"
2877 "+ increase verbosity\n"
2878 "- decrease verbosity\n"
2879 "c Send command to filtergraph\n"
2880 "D cycle through available debug modes\n"
2881 "h dump packets/hex press to cycle through the 3 states\n"
2883 "s Show QP histogram\n"
2888 /* select the stream that we must read now by looking at the
2889 smallest output pts */
2891 for (i = 0; i < nb_output_streams; i++) {
2895 ost = &output_streams[i];
2896 of = &output_files[ost->file_index];
2897 os = output_files[ost->file_index].ctx;
2898 ist = &input_streams[ost->source_index];
2899 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2900 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2902 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2904 if (!input_files[ist->file_index].eof_reached) {
2905 if (ipts < ipts_min) {
2908 file_index = ist->file_index;
2910 if (opts < opts_min) {
2912 if (!input_sync) file_index = ist->file_index;
2915 if (ost->frame_number >= ost->max_frames) {
2917 for (j = 0; j < of->ctx->nb_streams; j++)
2918 output_streams[of->ost_index + j].is_past_recording_time = 1;
2922 /* if none, if is finished */
2923 if (file_index < 0) {
2924 if (no_packet_count) {
2925 no_packet_count = 0;
2926 memset(no_packet, 0, nb_input_files);
2933 /* read a frame from it and output it in the fifo */
2934 is = input_files[file_index].ctx;
2935 ret = av_read_frame(is, &pkt);
2936 if (ret == AVERROR(EAGAIN)) {
2937 no_packet[file_index] = 1;
2942 input_files[file_index].eof_reached = 1;
2949 no_packet_count = 0;
2950 memset(no_packet, 0, nb_input_files);
2953 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2954 is->streams[pkt.stream_index]);
2956 /* the following test is needed in case new streams appear
2957 dynamically in stream : we ignore them */
2958 if (pkt.stream_index >= input_files[file_index].nb_streams)
2959 goto discard_packet;
2960 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2961 ist = &input_streams[ist_index];
2963 goto discard_packet;
2965 if (pkt.dts != AV_NOPTS_VALUE)
2966 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2967 if (pkt.pts != AV_NOPTS_VALUE)
2968 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2970 if (pkt.pts != AV_NOPTS_VALUE)
2971 pkt.pts *= ist->ts_scale;
2972 if (pkt.dts != AV_NOPTS_VALUE)
2973 pkt.dts *= ist->ts_scale;
2975 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2977 // pkt.dts, input_files[ist->file_index].ts_offset,
2978 // ist->st->codec->codec_type);
2979 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2980 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2981 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2982 int64_t delta = pkt_dts - ist->next_pts;
2983 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2984 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2985 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2986 pkt_dts+1<ist->pts)&& !copy_ts){
2987 input_files[ist->file_index].ts_offset -= delta;
2988 av_log(NULL, AV_LOG_DEBUG,
2989 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2990 delta, input_files[ist->file_index].ts_offset);
2991 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2992 if (pkt.pts != AV_NOPTS_VALUE)
2993 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2997 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2998 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3000 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3001 ist->file_index, ist->st->index);
3004 av_free_packet(&pkt);
3009 av_free_packet(&pkt);
3011 /* dump report by using the output first video and audio streams */
3012 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3015 /* at the end of stream, we must flush the decoder buffers */
3016 for (i = 0; i < nb_input_streams; i++) {
3017 ist = &input_streams[i];
3018 if (ist->decoding_needed) {
3019 output_packet(ist, output_streams, nb_output_streams, NULL);
3022 flush_encoders(output_streams, nb_output_streams);
3026 /* write the trailer if needed and close file */
3027 for (i = 0; i < nb_output_files; i++) {
3028 os = output_files[i].ctx;
3029 av_write_trailer(os);
3032 /* dump report by using the first video and audio streams */
3033 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3035 /* close each encoder */
3036 for (i = 0; i < nb_output_streams; i++) {
3037 ost = &output_streams[i];
3038 if (ost->encoding_needed) {
3039 av_freep(&ost->st->codec->stats_in);
3040 avcodec_close(ost->st->codec);
3043 avfilter_graph_free(&ost->graph);
3047 /* close each decoder */
3048 for (i = 0; i < nb_input_streams; i++) {
3049 ist = &input_streams[i];
3050 if (ist->decoding_needed) {
3051 avcodec_close(ist->st->codec);
3059 av_freep(&bit_buffer);
3060 av_freep(&no_packet);
3062 if (output_streams) {
3063 for (i = 0; i < nb_output_streams; i++) {
3064 ost = &output_streams[i];
3066 if (ost->stream_copy)
3067 av_freep(&ost->st->codec->extradata);
3069 fclose(ost->logfile);
3070 ost->logfile = NULL;
3072 av_fifo_free(ost->fifo); /* works even if fifo is not
3073 initialized but set to zero */
3074 av_freep(&ost->st->codec->subtitle_header);
3075 av_free(ost->resample_frame.data[0]);
3076 av_free(ost->forced_kf_pts);
3077 if (ost->video_resample)
3078 sws_freeContext(ost->img_resample_ctx);
3079 swr_free(&ost->swr);
3080 av_dict_free(&ost->opts);
3087 static int opt_frame_crop(const char *opt, const char *arg)
3089 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3090 return AVERROR(EINVAL);
3093 static int opt_pad(const char *opt, const char *arg)
3095 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3099 static double parse_frame_aspect_ratio(const char *arg)
3106 p = strchr(arg, ':');
3108 x = strtol(arg, &end, 10);
3110 y = strtol(end + 1, &end, 10);
3112 ar = (double)x / (double)y;
3114 ar = strtod(arg, NULL);
3117 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
3123 static int opt_video_channel(const char *opt, const char *arg)
3125 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3126 return opt_default("channel", arg);
3129 static int opt_video_standard(const char *opt, const char *arg)
3131 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3132 return opt_default("standard", arg);
3135 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3137 audio_codec_name = arg;
3138 return parse_option(o, "codec:a", arg, options);
3141 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3143 video_codec_name = arg;
3144 return parse_option(o, "codec:v", arg, options);
3147 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3149 subtitle_codec_name = arg;
3150 return parse_option(o, "codec:s", arg, options);
3153 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3155 return parse_option(o, "codec:d", arg, options);
3158 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3160 StreamMap *m = NULL;
3161 int i, negative = 0, file_idx;
3162 int sync_file_idx = -1, sync_stream_idx = 0;
3170 map = av_strdup(arg);
3172 /* parse sync stream first, just pick first matching stream */
3173 if (sync = strchr(map, ',')) {
3175 sync_file_idx = strtol(sync + 1, &sync, 0);
3176 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3177 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3182 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3183 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3184 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3185 sync_stream_idx = i;
3188 if (i == input_files[sync_file_idx].nb_streams) {
3189 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3190 "match any streams.\n", arg);
3196 file_idx = strtol(map, &p, 0);
3197 if (file_idx >= nb_input_files || file_idx < 0) {
3198 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3202 /* disable some already defined maps */
3203 for (i = 0; i < o->nb_stream_maps; i++) {
3204 m = &o->stream_maps[i];
3205 if (file_idx == m->file_index &&
3206 check_stream_specifier(input_files[m->file_index].ctx,
3207 input_files[m->file_index].ctx->streams[m->stream_index],
3208 *p == ':' ? p + 1 : p) > 0)
3212 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3213 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3214 *p == ':' ? p + 1 : p) <= 0)
3216 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3217 &o->nb_stream_maps, o->nb_stream_maps + 1);
3218 m = &o->stream_maps[o->nb_stream_maps - 1];
3220 m->file_index = file_idx;
3221 m->stream_index = i;
3223 if (sync_file_idx >= 0) {
3224 m->sync_file_index = sync_file_idx;
3225 m->sync_stream_index = sync_stream_idx;
3227 m->sync_file_index = file_idx;
3228 m->sync_stream_index = i;
3233 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3241 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3243 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3244 &o->nb_attachments, o->nb_attachments + 1);
3245 o->attachments[o->nb_attachments - 1] = arg;
3249 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3255 o->audio_channel_maps =
3256 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3257 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3258 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3260 /* muted channel syntax */
3261 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3262 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3263 m->file_idx = m->stream_idx = -1;
3265 m->ofile_idx = m->ostream_idx = -1;
3270 n = sscanf(arg, "%d.%d.%d:%d.%d",
3271 &m->file_idx, &m->stream_idx, &m->channel_idx,
3272 &m->ofile_idx, &m->ostream_idx);
3274 if (n != 3 && n != 5) {
3275 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3276 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3280 if (n != 5) // only file.stream.channel specified
3281 m->ofile_idx = m->ostream_idx = -1;
3284 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3285 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3289 if (m->stream_idx < 0 ||
3290 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3291 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3292 m->file_idx, m->stream_idx);
3295 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3296 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3297 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3298 m->file_idx, m->stream_idx);
3301 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3302 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3303 m->file_idx, m->stream_idx, m->channel_idx);
3310 * Parse a metadata specifier in arg.
3311 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3312 * @param index for type c/p, chapter/program index is written here
3313 * @param stream_spec for type s, the stream specifier is written here
3315 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3323 if (*(++arg) && *arg != ':') {
3324 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3327 *stream_spec = *arg == ':' ? arg + 1 : "";
3331 if (*(++arg) == ':')
3332 *index = strtol(++arg, NULL, 0);
3335 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3342 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3344 AVDictionary **meta_in = NULL;
3345 AVDictionary **meta_out = NULL;
3347 char type_in, type_out;
3348 const char *istream_spec = NULL, *ostream_spec = NULL;
3349 int idx_in = 0, idx_out = 0;
3351 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3352 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3354 if (type_in == 'g' || type_out == 'g')
3355 o->metadata_global_manual = 1;
3356 if (type_in == 's' || type_out == 's')
3357 o->metadata_streams_manual = 1;
3358 if (type_in == 'c' || type_out == 'c')
3359 o->metadata_chapters_manual = 1;
3361 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3362 if ((index) < 0 || (index) >= (nb_elems)) {\
3363 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3368 #define SET_DICT(type, meta, context, index)\
3371 meta = &context->metadata;\
3374 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3375 meta = &context->chapters[index]->metadata;\
3378 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3379 meta = &context->programs[index]->metadata;\
3383 SET_DICT(type_in, meta_in, ic, idx_in);
3384 SET_DICT(type_out, meta_out, oc, idx_out);
3386 /* for input streams choose first matching stream */
3387 if (type_in == 's') {
3388 for (i = 0; i < ic->nb_streams; i++) {
3389 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3390 meta_in = &ic->streams[i]->metadata;
3396 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3401 if (type_out == 's') {
3402 for (i = 0; i < oc->nb_streams; i++) {
3403 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3404 meta_out = &oc->streams[i]->metadata;
3405 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3410 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3415 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3418 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3419 struct tm time = *gmtime((time_t*)&recording_timestamp);
3420 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3421 parse_option(o, "metadata", buf, options);
3423 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3424 "tag instead.\n", opt);
3428 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3430 const char *codec_string = encoder ? "encoder" : "decoder";
3434 avcodec_find_encoder_by_name(name) :
3435 avcodec_find_decoder_by_name(name);
3437 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3440 if (codec->type != type) {
3441 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3447 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3449 char *codec_name = NULL;
3451 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3453 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3454 st->codec->codec_id = codec->id;
3457 return avcodec_find_decoder(st->codec->codec_id);
3461 * Add all the streams from the given input file to the global
3462 * list of input streams.
3464 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3467 char *next, *codec_tag = NULL;
3469 for (i = 0; i < ic->nb_streams; i++) {
3470 AVStream *st = ic->streams[i];
3471 AVCodecContext *dec = st->codec;
3474 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3475 ist = &input_streams[nb_input_streams - 1];
3477 ist->file_index = nb_input_files;
3479 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3481 ist->ts_scale = 1.0;
3482 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3484 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3486 uint32_t tag = strtol(codec_tag, &next, 0);
3488 tag = AV_RL32(codec_tag);
3489 st->codec->codec_tag = tag;
3492 ist->dec = choose_decoder(o, ic, st);
3494 switch (dec->codec_type) {
3495 case AVMEDIA_TYPE_AUDIO:
3497 ist->dec = avcodec_find_decoder(dec->codec_id);
3498 if (o->audio_disable)
3499 st->discard = AVDISCARD_ALL;
3501 case AVMEDIA_TYPE_VIDEO:
3503 ist->dec = avcodec_find_decoder(dec->codec_id);
3505 dec->flags |= CODEC_FLAG_EMU_EDGE;
3508 if (o->video_disable)
3509 st->discard = AVDISCARD_ALL;
3510 else if (video_discard)
3511 st->discard = video_discard;
3513 case AVMEDIA_TYPE_DATA:
3514 if (o->data_disable)
3515 st->discard= AVDISCARD_ALL;
3517 case AVMEDIA_TYPE_SUBTITLE:
3519 ist->dec = avcodec_find_decoder(dec->codec_id);
3520 if(o->subtitle_disable)
3521 st->discard = AVDISCARD_ALL;
3523 case AVMEDIA_TYPE_ATTACHMENT:
3524 case AVMEDIA_TYPE_UNKNOWN:
3532 static void assert_file_overwrite(const char *filename)
3534 if ((!file_overwrite || no_file_overwrite) &&
3535 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3536 av_strstart(filename, "file:", NULL))) {
3537 if (avio_check(filename, 0) == 0) {
3538 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3539 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3542 signal(SIGINT, SIG_DFL);
3543 if (!read_yesno()) {
3544 av_log(0, AV_LOG_FATAL, "Not overwriting - exiting\n");
3550 av_log(0, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3557 static void dump_attachment(AVStream *st, const char *filename)
3560 AVIOContext *out = NULL;
3561 AVDictionaryEntry *e;
3563 if (!st->codec->extradata_size) {
3564 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3565 nb_input_files - 1, st->index);
3568 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3569 filename = e->value;
3571 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3572 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3576 assert_file_overwrite(filename);
3578 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3579 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3584 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3589 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3591 AVFormatContext *ic;
3592 AVInputFormat *file_iformat = NULL;
3596 AVDictionary **opts;
3597 int orig_nb_streams; // number of streams before avformat_find_stream_info
3600 if (!(file_iformat = av_find_input_format(o->format))) {
3601 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3606 if (!strcmp(filename, "-"))
3609 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3610 !strcmp(filename, "/dev/stdin");
3612 /* get default parameters from command line */
3613 ic = avformat_alloc_context();
3615 print_error(filename, AVERROR(ENOMEM));
3618 if (o->nb_audio_sample_rate) {
3619 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3620 av_dict_set(&format_opts, "sample_rate", buf, 0);
3622 if (o->nb_audio_channels) {
3623 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3624 av_dict_set(&format_opts, "channels", buf, 0);
3626 if (o->nb_frame_rates) {
3627 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3629 if (o->nb_frame_sizes) {
3630 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3632 if (o->nb_frame_pix_fmts)
3633 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3635 ic->video_codec_id = video_codec_name ?
3636 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3637 ic->audio_codec_id = audio_codec_name ?
3638 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3639 ic->subtitle_codec_id= subtitle_codec_name ?
3640 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3641 ic->flags |= AVFMT_FLAG_NONBLOCK;
3642 ic->interrupt_callback = int_cb;
3645 av_log(NULL, AV_LOG_WARNING,
3646 "-loop_input is deprecated, use -loop 1\n"
3647 "Note, both loop options only work with -f image2\n"
3649 ic->loop_input = loop_input;
3652 /* open the input file with generic avformat function */
3653 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3655 print_error(filename, err);
3658 assert_avoptions(format_opts);
3660 /* apply forced codec ids */
3661 for (i = 0; i < ic->nb_streams; i++)
3662 choose_decoder(o, ic, ic->streams[i]);
3664 /* Set AVCodecContext options for avformat_find_stream_info */
3665 opts = setup_find_stream_info_opts(ic, codec_opts);
3666 orig_nb_streams = ic->nb_streams;
3668 /* If not enough info to get the stream parameters, we decode the
3669 first frames to get it. (used in mpeg case for example) */
3670 ret = avformat_find_stream_info(ic, opts);
3672 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3673 avformat_close_input(&ic);
3677 timestamp = o->start_time;
3678 /* add the stream start time */
3679 if (ic->start_time != AV_NOPTS_VALUE)
3680 timestamp += ic->start_time;
3682 /* if seeking requested, we execute it */
3683 if (o->start_time != 0) {
3684 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3686 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3687 filename, (double)timestamp / AV_TIME_BASE);
3691 /* update the current parameters so that they match the one of the input stream */
3692 add_input_streams(o, ic);
3694 /* dump the file content */
3695 av_dump_format(ic, nb_input_files, filename, 0);
3697 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3698 input_files[nb_input_files - 1].ctx = ic;
3699 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3700 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3701 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3702 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3704 for (i = 0; i < o->nb_dump_attachment; i++) {
3707 for (j = 0; j < ic->nb_streams; j++) {
3708 AVStream *st = ic->streams[j];
3710 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3711 dump_attachment(st, o->dump_attachment[i].u.str);
3715 for (i = 0; i < orig_nb_streams; i++)
3716 av_dict_free(&opts[i]);
3719 reset_options(o, 1);
3723 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3728 for (p = kf; *p; p++)
3731 ost->forced_kf_count = n;
3732 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3733 if (!ost->forced_kf_pts) {
3734 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3737 for (i = 0; i < n; i++) {
3738 p = i ? strchr(p, ',') + 1 : kf;
3739 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3743 static uint8_t *get_line(AVIOContext *s)
3749 if (avio_open_dyn_buf(&line) < 0) {
3750 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3754 while ((c = avio_r8(s)) && c != '\n')
3757 avio_close_dyn_buf(line, &buf);
3762 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3765 char filename[1000];
3766 const char *base[3] = { getenv("AVCONV_DATADIR"),
3771 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3775 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3776 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3777 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3780 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3781 i != 1 ? "" : "/.avconv", preset_name);
3782 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3788 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3790 char *codec_name = NULL;
3792 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3794 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3795 NULL, ost->st->codec->codec_type);
3796 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3797 } else if (!strcmp(codec_name, "copy"))
3798 ost->stream_copy = 1;
3800 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3801 ost->st->codec->codec_id = ost->enc->id;
3805 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3808 AVStream *st = avformat_new_stream(oc, NULL);
3809 int idx = oc->nb_streams - 1, ret = 0;
3810 char *bsf = NULL, *next, *codec_tag = NULL;
3811 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3813 char *buf = NULL, *arg = NULL, *preset = NULL;
3814 AVIOContext *s = NULL;
3817 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3821 if (oc->nb_streams - 1 < o->nb_streamid_map)
3822 st->id = o->streamid_map[oc->nb_streams - 1];
3824 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3825 nb_output_streams + 1);
3826 ost = &output_streams[nb_output_streams - 1];
3827 ost->file_index = nb_output_files;
3830 st->codec->codec_type = type;
3831 choose_encoder(o, oc, ost);
3833 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3836 avcodec_get_context_defaults3(st->codec, ost->enc);
3837 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3839 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3840 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3843 if (!buf[0] || buf[0] == '#') {
3847 if (!(arg = strchr(buf, '='))) {
3848 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3852 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3854 } while (!s->eof_reached);
3858 av_log(NULL, AV_LOG_FATAL,
3859 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3860 preset, ost->file_index, ost->index);
3864 ost->max_frames = INT64_MAX;
3865 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3867 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3869 if (next = strchr(bsf, ','))
3871 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3872 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3876 bsfc_prev->next = bsfc;
3878 ost->bitstream_filters = bsfc;
3884 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3886 uint32_t tag = strtol(codec_tag, &next, 0);
3888 tag = AV_RL32(codec_tag);
3889 st->codec->codec_tag = tag;
3892 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3893 if (qscale >= 0 || same_quant) {
3894 st->codec->flags |= CODEC_FLAG_QSCALE;
3895 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3898 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3899 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3901 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3905 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3908 const char *p = str;
3915 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3922 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3926 AVCodecContext *video_enc;
3928 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3930 video_enc = st->codec;
3932 if (!ost->stream_copy) {
3933 const char *p = NULL;
3934 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3935 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3936 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3939 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3940 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3941 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3945 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3946 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3947 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3951 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3952 if (frame_aspect_ratio)
3953 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3955 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3956 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3957 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3958 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3961 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3964 video_enc->gop_size = 0;
3965 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3967 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3968 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3971 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3973 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3975 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3976 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3979 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3982 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3983 for (i = 0; p; i++) {
3985 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3987 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3990 /* FIXME realloc failure */
3991 video_enc->rc_override =
3992 av_realloc(video_enc->rc_override,
3993 sizeof(RcOverride) * (i + 1));
3994 video_enc->rc_override[i].start_frame = start;
3995 video_enc->rc_override[i].end_frame = end;
3997 video_enc->rc_override[i].qscale = q;
3998 video_enc->rc_override[i].quality_factor = 1.0;
4001 video_enc->rc_override[i].qscale = 0;
4002 video_enc->rc_override[i].quality_factor = -q/100.0;
4007 video_enc->rc_override_count = i;
4008 if (!video_enc->rc_initial_buffer_occupancy)
4009 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4010 video_enc->intra_dc_precision = intra_dc_precision - 8;
4013 video_enc->flags|= CODEC_FLAG_PSNR;
4018 video_enc->flags |= CODEC_FLAG_PASS1;
4021 video_enc->flags |= CODEC_FLAG_PASS2;
4025 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4026 if (forced_key_frames)
4027 parse_forced_key_frames(forced_key_frames, ost);
4029 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4031 ost->top_field_first = -1;
4032 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4034 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4037 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4039 ost->avfilter = av_strdup(filters);
4046 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4051 AVCodecContext *audio_enc;
4053 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4056 audio_enc = st->codec;
4057 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4059 if (!ost->stream_copy) {
4060 char *sample_fmt = NULL;
4062 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4064 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4066 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4067 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4071 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4073 ost->rematrix_volume=1.0;
4074 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4077 /* check for channel mapping for this audio stream */
4078 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4079 AudioChannelMap *map = &o->audio_channel_maps[n];
4080 InputStream *ist = &input_streams[ost->source_index];
4081 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4082 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4083 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4084 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4085 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4087 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4088 ost->file_index, ost->st->index);
4095 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4099 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4100 if (!ost->stream_copy) {
4101 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4108 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4110 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4111 ost->stream_copy = 1;
4115 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4119 AVCodecContext *subtitle_enc;
4121 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4123 subtitle_enc = st->codec;
4125 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4130 /* arg format is "output-stream-index:streamid-value". */
4131 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4137 av_strlcpy(idx_str, arg, sizeof(idx_str));
4138 p = strchr(idx_str, ':');
4140 av_log(NULL, AV_LOG_FATAL,
4141 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4146 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4147 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4148 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4152 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4154 AVFormatContext *is = ifile->ctx;
4155 AVFormatContext *os = ofile->ctx;
4158 for (i = 0; i < is->nb_chapters; i++) {
4159 AVChapter *in_ch = is->chapters[i], *out_ch;
4160 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4161 AV_TIME_BASE_Q, in_ch->time_base);
4162 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4163 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4166 if (in_ch->end < ts_off)
4168 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4171 out_ch = av_mallocz(sizeof(AVChapter));
4173 return AVERROR(ENOMEM);
4175 out_ch->id = in_ch->id;
4176 out_ch->time_base = in_ch->time_base;
4177 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4178 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4181 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4184 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4186 return AVERROR(ENOMEM);
4187 os->chapters[os->nb_chapters - 1] = out_ch;
4192 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4195 AVFormatContext *ic = avformat_alloc_context();
4197 ic->interrupt_callback = int_cb;
4198 err = avformat_open_input(&ic, filename, NULL, NULL);
4201 /* copy stream format */
4202 for(i=0;i<ic->nb_streams;i++) {
4206 AVCodecContext *avctx;
4208 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4209 ost = new_output_stream(o, s, codec->type);
4214 // FIXME: a more elegant solution is needed
4215 memcpy(st, ic->streams[i], sizeof(AVStream));
4216 st->info = av_malloc(sizeof(*st->info));
4217 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4219 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4221 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4222 choose_sample_fmt(st, codec);
4223 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4224 choose_pixel_fmt(st, codec);
4227 avformat_close_input(&ic);
4231 static void opt_output_file(void *optctx, const char *filename)
4233 OptionsContext *o = optctx;
4234 AVFormatContext *oc;
4236 AVOutputFormat *file_oformat;
4240 if (!strcmp(filename, "-"))
4243 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4245 print_error(filename, err);
4248 file_oformat= oc->oformat;
4249 oc->interrupt_callback = int_cb;
4251 if (!strcmp(file_oformat->name, "ffm") &&
4252 av_strstart(filename, "http:", NULL)) {
4254 /* special case for files sent to ffserver: we get the stream
4255 parameters from ffserver */
4256 int err = read_ffserver_streams(o, oc, filename);
4258 print_error(filename, err);
4261 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4262 ost = &output_streams[j];
4263 for (i = 0; i < nb_input_streams; i++) {
4264 ist = &input_streams[i];
4265 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4267 ost->source_index= i;
4273 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));
4277 } else if (!o->nb_stream_maps) {
4278 /* pick the "best" stream of each type */
4279 #define NEW_STREAM(type, index)\
4281 ost = new_ ## type ## _stream(o, oc);\
4282 ost->source_index = index;\
4283 ost->sync_ist = &input_streams[index];\
4284 input_streams[index].discard = 0;\
4287 /* video: highest resolution */
4288 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4289 int area = 0, idx = -1;
4290 for (i = 0; i < nb_input_streams; i++) {
4291 ist = &input_streams[i];
4292 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4293 ist->st->codec->width * ist->st->codec->height > area) {
4294 area = ist->st->codec->width * ist->st->codec->height;
4298 NEW_STREAM(video, idx);
4301 /* audio: most channels */
4302 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4303 int channels = 0, idx = -1;
4304 for (i = 0; i < nb_input_streams; i++) {
4305 ist = &input_streams[i];
4306 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4307 ist->st->codec->channels > channels) {
4308 channels = ist->st->codec->channels;
4312 NEW_STREAM(audio, idx);
4315 /* subtitles: pick first */
4316 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4317 for (i = 0; i < nb_input_streams; i++)
4318 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4319 NEW_STREAM(subtitle, i);
4323 /* do something with data? */
4325 for (i = 0; i < o->nb_stream_maps; i++) {
4326 StreamMap *map = &o->stream_maps[i];
4331 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4332 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4334 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4336 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4338 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4341 switch (ist->st->codec->codec_type) {
4342 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4343 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4344 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4345 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4346 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4348 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4349 map->file_index, map->stream_index);
4353 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4354 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4355 map->sync_stream_index];
4360 /* handle attached files */
4361 for (i = 0; i < o->nb_attachments; i++) {
4363 uint8_t *attachment;
4367 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4368 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4372 if ((len = avio_size(pb)) <= 0) {
4373 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4377 if (!(attachment = av_malloc(len))) {
4378 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4382 avio_read(pb, attachment, len);
4384 ost = new_attachment_stream(o, oc);
4385 ost->stream_copy = 0;
4386 ost->source_index = -1;
4387 ost->attachment_filename = o->attachments[i];
4388 ost->st->codec->extradata = attachment;
4389 ost->st->codec->extradata_size = len;
4391 p = strrchr(o->attachments[i], '/');
4392 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4396 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4397 output_files[nb_output_files - 1].ctx = oc;
4398 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4399 output_files[nb_output_files - 1].recording_time = o->recording_time;
4400 output_files[nb_output_files - 1].start_time = o->start_time;
4401 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4402 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4404 /* check filename in case of an image number is expected */
4405 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4406 if (!av_filename_number_test(oc->filename)) {
4407 print_error(oc->filename, AVERROR(EINVAL));
4412 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4413 /* test if it already exists to avoid losing precious files */
4414 assert_file_overwrite(filename);
4417 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4418 &oc->interrupt_callback,
4419 &output_files[nb_output_files - 1].opts)) < 0) {
4420 print_error(filename, err);
4425 if (o->mux_preload) {
4427 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4428 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4430 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4432 if (loop_output >= 0) {
4433 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
4434 oc->loop_output = loop_output;
4438 for (i = 0; i < o->nb_metadata_map; i++) {
4440 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4442 if (in_file_index < 0)
4444 if (in_file_index >= nb_input_files) {
4445 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4448 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4452 if (o->chapters_input_file >= nb_input_files) {
4453 if (o->chapters_input_file == INT_MAX) {
4454 /* copy chapters from the first input file that has them*/
4455 o->chapters_input_file = -1;
4456 for (i = 0; i < nb_input_files; i++)
4457 if (input_files[i].ctx->nb_chapters) {
4458 o->chapters_input_file = i;
4462 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4463 o->chapters_input_file);
4467 if (o->chapters_input_file >= 0)
4468 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4469 !o->metadata_chapters_manual);
4471 /* copy global metadata by default */
4472 if (!o->metadata_global_manual && nb_input_files){
4473 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4474 AV_DICT_DONT_OVERWRITE);
4475 if(o->recording_time != INT64_MAX)
4476 av_dict_set(&oc->metadata, "duration", NULL, 0);
4478 if (!o->metadata_streams_manual)
4479 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4481 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4483 ist = &input_streams[output_streams[i].source_index];
4484 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4487 /* process manually set metadata */
4488 for (i = 0; i < o->nb_metadata; i++) {
4491 const char *stream_spec;
4492 int index = 0, j, ret = 0;
4494 val = strchr(o->metadata[i].u.str, '=');
4496 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4497 o->metadata[i].u.str);
4502 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4504 for (j = 0; j < oc->nb_streams; j++) {
4505 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4506 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4510 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4518 if (index < 0 || index >= oc->nb_chapters) {
4519 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4522 m = &oc->chapters[index]->metadata;
4525 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4528 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4532 reset_options(o, 0);
4535 /* same option as mencoder */
4536 static int opt_pass(const char *opt, const char *arg)
4538 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4542 static int64_t getutime(void)
4545 struct rusage rusage;
4547 getrusage(RUSAGE_SELF, &rusage);
4548 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4549 #elif HAVE_GETPROCESSTIMES
4551 FILETIME c, e, k, u;
4552 proc = GetCurrentProcess();
4553 GetProcessTimes(proc, &c, &e, &k, &u);
4554 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4556 return av_gettime();
4560 static int64_t getmaxrss(void)
4562 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4563 struct rusage rusage;
4564 getrusage(RUSAGE_SELF, &rusage);
4565 return (int64_t)rusage.ru_maxrss * 1024;
4566 #elif HAVE_GETPROCESSMEMORYINFO
4568 PROCESS_MEMORY_COUNTERS memcounters;
4569 proc = GetCurrentProcess();
4570 memcounters.cb = sizeof(memcounters);
4571 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4572 return memcounters.PeakPagefileUsage;
4578 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4580 return parse_option(o, "q:a", arg, options);
4583 static void show_usage(void)
4585 printf("Hyper fast Audio and Video encoder\n");
4586 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4590 static int opt_help(const char *opt, const char *arg)
4592 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4593 av_log_set_callback(log_callback_help);
4595 show_help_options(options, "Main options:\n",
4596 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4597 show_help_options(options, "\nAdvanced options:\n",
4598 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4600 show_help_options(options, "\nVideo options:\n",
4601 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4603 show_help_options(options, "\nAdvanced Video options:\n",
4604 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4605 OPT_VIDEO | OPT_EXPERT);
4606 show_help_options(options, "\nAudio options:\n",
4607 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4609 show_help_options(options, "\nAdvanced Audio options:\n",
4610 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4611 OPT_AUDIO | OPT_EXPERT);
4612 show_help_options(options, "\nSubtitle options:\n",
4613 OPT_SUBTITLE | OPT_GRAB,
4615 show_help_options(options, "\nAudio/Video grab options:\n",
4619 show_help_children(avcodec_get_class(), flags);
4620 show_help_children(avformat_get_class(), flags);
4621 show_help_children(sws_get_class(), flags);
4626 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4628 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4629 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4631 if (!strncmp(arg, "pal-", 4)) {
4634 } else if (!strncmp(arg, "ntsc-", 5)) {
4637 } else if (!strncmp(arg, "film-", 5)) {
4641 /* Try to determine PAL/NTSC by peeking in the input files */
4642 if (nb_input_files) {
4644 for (j = 0; j < nb_input_files; j++) {
4645 for (i = 0; i < input_files[j].nb_streams; i++) {
4646 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4647 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4649 fr = c->time_base.den * 1000 / c->time_base.num;
4653 } else if ((fr == 29970) || (fr == 23976)) {
4658 if (norm != UNKNOWN)
4662 if (norm != UNKNOWN)
4663 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4666 if (norm == UNKNOWN) {
4667 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4668 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4669 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4673 if (!strcmp(arg, "vcd")) {
4674 opt_video_codec(o, "c:v", "mpeg1video");
4675 opt_audio_codec(o, "c:a", "mp2");
4676 parse_option(o, "f", "vcd", options);
4678 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4679 parse_option(o, "r", frame_rates[norm], options);
4680 opt_default("g", norm == PAL ? "15" : "18");
4682 opt_default("b:v", "1150000");
4683 opt_default("maxrate", "1150000");
4684 opt_default("minrate", "1150000");
4685 opt_default("bufsize", "327680"); // 40*1024*8;
4687 opt_default("b:a", "224000");
4688 parse_option(o, "ar", "44100", options);
4689 parse_option(o, "ac", "2", options);
4691 opt_default("packetsize", "2324");
4692 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4694 /* We have to offset the PTS, so that it is consistent with the SCR.
4695 SCR starts at 36000, but the first two packs contain only padding
4696 and the first pack from the other stream, respectively, may also have
4697 been written before.
4698 So the real data starts at SCR 36000+3*1200. */
4699 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4700 } else if (!strcmp(arg, "svcd")) {
4702 opt_video_codec(o, "c:v", "mpeg2video");
4703 opt_audio_codec(o, "c:a", "mp2");
4704 parse_option(o, "f", "svcd", options);
4706 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4707 parse_option(o, "r", frame_rates[norm], options);
4708 parse_option(o, "pix_fmt", "yuv420p", options);
4709 opt_default("g", norm == PAL ? "15" : "18");
4711 opt_default("b:v", "2040000");
4712 opt_default("maxrate", "2516000");
4713 opt_default("minrate", "0"); // 1145000;
4714 opt_default("bufsize", "1835008"); // 224*1024*8;
4715 opt_default("flags", "+scan_offset");
4718 opt_default("b:a", "224000");
4719 parse_option(o, "ar", "44100", options);
4721 opt_default("packetsize", "2324");
4723 } else if (!strcmp(arg, "dvd")) {
4725 opt_video_codec(o, "c:v", "mpeg2video");
4726 opt_audio_codec(o, "c:a", "ac3");
4727 parse_option(o, "f", "dvd", options);
4729 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4730 parse_option(o, "r", frame_rates[norm], options);
4731 parse_option(o, "pix_fmt", "yuv420p", options);
4732 opt_default("g", norm == PAL ? "15" : "18");
4734 opt_default("b:v", "6000000");
4735 opt_default("maxrate", "9000000");
4736 opt_default("minrate", "0"); // 1500000;
4737 opt_default("bufsize", "1835008"); // 224*1024*8;
4739 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4740 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4742 opt_default("b:a", "448000");
4743 parse_option(o, "ar", "48000", options);
4745 } else if (!strncmp(arg, "dv", 2)) {
4747 parse_option(o, "f", "dv", options);
4749 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4750 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4751 norm == PAL ? "yuv420p" : "yuv411p", options);
4752 parse_option(o, "r", frame_rates[norm], options);
4754 parse_option(o, "ar", "48000", options);
4755 parse_option(o, "ac", "2", options);
4758 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4759 return AVERROR(EINVAL);
4764 static int opt_vstats_file(const char *opt, const char *arg)
4766 av_free (vstats_filename);
4767 vstats_filename = av_strdup (arg);
4771 static int opt_vstats(const char *opt, const char *arg)
4774 time_t today2 = time(NULL);
4775 struct tm *today = localtime(&today2);
4777 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4779 return opt_vstats_file(opt, filename);
4782 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4784 return parse_option(o, "frames:v", arg, options);
4787 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4789 return parse_option(o, "frames:a", arg, options);
4792 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4794 return parse_option(o, "frames:d", arg, options);
4797 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4800 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4801 const char *codec_name = *opt == 'v' ? video_codec_name :
4802 *opt == 'a' ? audio_codec_name :
4803 subtitle_codec_name;
4805 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4806 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4807 av_log(0, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4809 av_log(0, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4814 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4815 if(line[0] == '#' && !e)
4817 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4819 av_log(0, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4822 if(!strcmp(tmp, "acodec")){
4823 opt_audio_codec(o, tmp, tmp2);
4824 }else if(!strcmp(tmp, "vcodec")){
4825 opt_video_codec(o, tmp, tmp2);
4826 }else if(!strcmp(tmp, "scodec")){
4827 opt_subtitle_codec(o, tmp, tmp2);
4828 }else if(!strcmp(tmp, "dcodec")){
4829 opt_data_codec(o, tmp, tmp2);
4830 }else if(opt_default(tmp, tmp2) < 0){
4831 av_log(0, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4841 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4845 static int opt_passlogfile(const char *opt, const char *arg)
4847 pass_logfilename_prefix = arg;
4848 #if CONFIG_LIBX264_ENCODER
4849 return opt_default("passlogfile", arg);
4855 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4857 char *s= av_malloc(strlen(opt)+2);
4858 snprintf(s, strlen(opt)+2, "%s:%c", opt+1, *opt);
4859 return parse_option(o, s, arg, options);
4862 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4864 if(!strcmp(opt, "b")){
4865 av_log(0,AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4866 return parse_option(o, av_strdup("b:v"), arg, options);
4868 return opt_default(opt, arg);
4871 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4873 return parse_option(o, "filter:v", arg, options);
4876 #define OFFSET(x) offsetof(OptionsContext, x)
4877 static const OptionDef options[] = {
4879 #include "cmdutils_common_opts.h"
4880 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4881 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4882 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4883 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4884 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4885 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4886 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4887 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4888 { "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]" },
4889 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4890 "outfile[,metadata]:infile[,metadata]" },
4891 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4892 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4893 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4894 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4895 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4896 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4897 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4898 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4899 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4900 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4901 "add timings for benchmarking" },
4902 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4903 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4904 "dump each input packet" },
4905 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4906 "when dumping packets, also dump the payload" },
4907 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4908 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4909 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4910 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4911 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4912 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4913 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4914 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4915 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
4916 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4917 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4918 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4919 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4920 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4921 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4922 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4923 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4925 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4927 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4928 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4929 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4932 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4933 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4934 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4935 { "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" },
4936 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4937 { "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" },
4938 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4939 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4940 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4941 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4942 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4943 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4944 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4945 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4946 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4947 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4948 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4949 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4950 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4951 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4952 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4953 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4954 "use same quantizer as source (implies VBR)" },
4955 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4956 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4957 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4958 "deinterlace pictures" },
4959 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4960 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4961 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4963 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4965 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4966 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4967 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4968 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4969 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
4970 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4971 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4972 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4973 { "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" },
4974 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
4977 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4978 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4979 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4980 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4981 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4982 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4983 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
4984 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4985 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4986 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
4988 /* subtitle options */
4989 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4990 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4991 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
4994 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4995 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4996 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4999 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5000 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5002 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5003 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5004 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5006 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5007 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5008 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5009 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5010 /* data codec support */
5011 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5012 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5014 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5018 int main(int argc, char **argv)
5020 OptionsContext o = { 0 };
5023 reset_options(&o, 0);
5025 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5026 parse_loglevel(argc, argv, options);
5028 if(argc>1 && !strcmp(argv[1], "-d")){
5030 av_log_set_callback(log_callback_null);
5035 avcodec_register_all();
5037 avdevice_register_all();
5040 avfilter_register_all();
5043 avformat_network_init();
5045 show_banner(argc, argv, options);
5050 parse_options(&o, argc, argv, options, opt_output_file);
5052 if (nb_output_files <= 0 && nb_input_files == 0) {
5054 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5058 /* file converter / grab */
5059 if (nb_output_files <= 0) {
5060 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5064 if (nb_input_files == 0) {
5065 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5070 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5072 ti = getutime() - ti;
5074 int maxrss = getmaxrss() / 1024;
5075 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);