3 * Copyright (c) 2000-2011 The libav developers.
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavutil/imgutils.h"
48 #include "libavformat/os_support.h"
51 # include "libavfilter/avfilter.h"
52 # include "libavfilter/avfiltergraph.h"
53 # include "libavfilter/buffersrc.h"
54 # include "libavfilter/vsrc_buffer.h"
57 #if HAVE_SYS_RESOURCE_H
58 #include <sys/types.h>
60 #include <sys/resource.h>
61 #elif HAVE_GETPROCESSTIMES
64 #if HAVE_GETPROCESSMEMORYINFO
70 #include <sys/select.h>
77 #include "libavutil/avassert.h"
80 #define VSYNC_PASSTHROUGH 0
84 const char program_name[] = "avconv";
85 const int program_birth_year = 2000;
87 /* select an input stream for an output stream */
88 typedef struct StreamMap {
89 int disabled; /** 1 is this mapping is disabled by a negative map */
93 int sync_stream_index;
97 * select an input file for an output file
99 typedef struct MetadataMap {
100 int file; ///< file index
101 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
102 int index; ///< stream/chapter/program number
105 static const OptionDef options[];
107 static int video_discard = 0;
108 static int same_quant = 0;
109 static int do_deinterlace = 0;
110 static int intra_dc_precision = 8;
111 static int qp_hist = 0;
113 static int file_overwrite = 0;
114 static int do_benchmark = 0;
115 static int do_hex_dump = 0;
116 static int do_pkt_dump = 0;
117 static int do_pass = 0;
118 static char *pass_logfilename_prefix = NULL;
119 static int video_sync_method = VSYNC_AUTO;
120 static int audio_sync_method = 0;
121 static float audio_drift_threshold = 0.1;
122 static int copy_ts = 0;
123 static int copy_tb = 1;
124 static int opt_shortest = 0;
125 static char *vstats_filename;
126 static FILE *vstats_file;
128 static int audio_volume = 256;
130 static int exit_on_error = 0;
131 static int using_stdin = 0;
132 static int64_t video_size = 0;
133 static int64_t audio_size = 0;
134 static int64_t extra_size = 0;
135 static int nb_frames_dup = 0;
136 static int nb_frames_drop = 0;
137 static int input_sync;
139 static float dts_delta_threshold = 10;
141 static int print_stats = 1;
143 static uint8_t *audio_buf;
144 static unsigned int allocated_audio_buf_size;
146 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
148 typedef struct FrameBuffer {
154 enum PixelFormat pix_fmt;
157 struct InputStream *ist;
158 struct FrameBuffer *next;
161 typedef struct InputStream {
164 int discard; /* true if stream data should be discarded */
165 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
167 AVFrame *decoded_frame;
168 AVFrame *filtered_frame;
170 int64_t start; /* time when read started */
171 /* predicted dts of the next packet read for this stream or (when there are
172 * several frames in a packet) of the next frame in current packet */
174 /* dts of the last packet read for this stream */
176 PtsCorrectionContext pts_ctx;
178 int is_start; /* is 1 at the start and after a discontinuity */
179 int showed_multi_packet_warning;
182 /* a pool of free buffers for decoded data */
183 FrameBuffer *buffer_pool;
186 typedef struct InputFile {
187 AVFormatContext *ctx;
188 int eof_reached; /* true if eof reached */
189 int ist_index; /* index of first stream in ist_table */
190 int buffer_size; /* current total buffer size */
192 int nb_streams; /* number of stream that avconv is aware of; may be different
193 from ctx.nb_streams if new streams appear during av_read_frame() */
197 typedef struct OutputStream {
198 int file_index; /* file index */
199 int index; /* stream index in the output file */
200 int source_index; /* InputStream index */
201 AVStream *st; /* stream in the output file */
202 int encoding_needed; /* true if encoding needed for this stream */
204 /* input pts and corresponding output pts
206 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
207 struct InputStream *sync_ist; /* input stream to sync against */
208 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
209 /* pts of the first frame encoded for this stream, used for limiting
212 AVBitStreamFilterContext *bitstream_filters;
215 AVFrame *output_frame;
219 AVFrame pict_tmp; /* temporary image for resampling */
220 struct SwsContext *img_resample_ctx; /* for image resampling */
223 int resample_pix_fmt;
224 AVRational frame_rate;
228 float frame_aspect_ratio;
230 /* forced key frames */
231 int64_t *forced_kf_pts;
237 ReSampleContext *resample; /* for audio resampling */
238 int resample_sample_fmt;
239 int resample_channels;
240 int resample_sample_rate;
242 AVAudioConvert *reformat_ctx;
243 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
247 AVFilterContext *output_video_filter;
248 AVFilterContext *input_video_filter;
249 AVFilterBufferRef *picref;
251 AVFilterGraph *graph;
256 int is_past_recording_time;
258 const char *attachment_filename;
259 int copy_initial_nonkeyframes;
263 typedef struct OutputFile {
264 AVFormatContext *ctx;
266 int ost_index; /* index of the first stream in output_streams */
267 int64_t recording_time; /* desired length of the resulting file in microseconds */
268 int64_t start_time; /* start time in microseconds */
269 uint64_t limit_filesize;
272 static InputStream *input_streams = NULL;
273 static int nb_input_streams = 0;
274 static InputFile *input_files = NULL;
275 static int nb_input_files = 0;
277 static OutputStream *output_streams = NULL;
278 static int nb_output_streams = 0;
279 static OutputFile *output_files = NULL;
280 static int nb_output_files = 0;
282 typedef struct OptionsContext {
283 /* input/output options */
287 SpecifierOpt *codec_names;
289 SpecifierOpt *audio_channels;
290 int nb_audio_channels;
291 SpecifierOpt *audio_sample_rate;
292 int nb_audio_sample_rate;
293 SpecifierOpt *frame_rates;
295 SpecifierOpt *frame_sizes;
297 SpecifierOpt *frame_pix_fmts;
298 int nb_frame_pix_fmts;
301 int64_t input_ts_offset;
304 SpecifierOpt *ts_scale;
306 SpecifierOpt *dump_attachment;
307 int nb_dump_attachment;
310 StreamMap *stream_maps;
312 /* first item specifies output metadata, second is input */
313 MetadataMap (*meta_data_maps)[2];
314 int nb_meta_data_maps;
315 int metadata_global_manual;
316 int metadata_streams_manual;
317 int metadata_chapters_manual;
318 const char **attachments;
321 int chapters_input_file;
323 int64_t recording_time;
324 uint64_t limit_filesize;
330 int subtitle_disable;
333 /* indexed by output file stream index */
337 SpecifierOpt *metadata;
339 SpecifierOpt *max_frames;
341 SpecifierOpt *bitstream_filters;
342 int nb_bitstream_filters;
343 SpecifierOpt *codec_tags;
345 SpecifierOpt *sample_fmts;
347 SpecifierOpt *qscale;
349 SpecifierOpt *forced_key_frames;
350 int nb_forced_key_frames;
351 SpecifierOpt *force_fps;
353 SpecifierOpt *frame_aspect_ratios;
354 int nb_frame_aspect_ratios;
355 SpecifierOpt *rc_overrides;
357 SpecifierOpt *intra_matrices;
358 int nb_intra_matrices;
359 SpecifierOpt *inter_matrices;
360 int nb_inter_matrices;
361 SpecifierOpt *top_field_first;
362 int nb_top_field_first;
363 SpecifierOpt *metadata_map;
365 SpecifierOpt *presets;
367 SpecifierOpt *copy_initial_nonkeyframes;
368 int nb_copy_initial_nonkeyframes;
370 SpecifierOpt *filters;
375 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
378 for (i = 0; i < o->nb_ ## name; i++) {\
379 char *spec = o->name[i].specifier;\
380 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
381 outvar = o->name[i].u.type;\
387 static void reset_options(OptionsContext *o)
389 const OptionDef *po = options;
391 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
393 void *dst = (uint8_t*)o + po->u.off;
395 if (po->flags & OPT_SPEC) {
396 SpecifierOpt **so = dst;
397 int i, *count = (int*)(so + 1);
398 for (i = 0; i < *count; i++) {
399 av_freep(&(*so)[i].specifier);
400 if (po->flags & OPT_STRING)
401 av_freep(&(*so)[i].u.str);
405 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
410 av_freep(&o->stream_maps);
411 av_freep(&o->meta_data_maps);
412 av_freep(&o->streamid_map);
414 memset(o, 0, sizeof(*o));
416 o->mux_max_delay = 0.7;
417 o->recording_time = INT64_MAX;
418 o->limit_filesize = UINT64_MAX;
419 o->chapters_input_file = INT_MAX;
425 static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
427 AVCodecContext *s = ist->st->codec;
428 FrameBuffer *buf = av_mallocz(sizeof(*buf));
430 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
431 int h_chroma_shift, v_chroma_shift;
432 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
433 int w = s->width, h = s->height;
436 return AVERROR(ENOMEM);
438 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
443 avcodec_align_dimensions(s, &w, &h);
444 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
445 s->pix_fmt, 32)) < 0) {
449 /* XXX this shouldn't be needed, but some tests break without this line
450 * those decoders are buggy and need to be fixed.
451 * the following tests fail:
452 * bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
454 memset(buf->base[0], 128, ret);
456 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
457 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
458 const int h_shift = i==0 ? 0 : h_chroma_shift;
459 const int v_shift = i==0 ? 0 : v_chroma_shift;
460 if (s->flags & CODEC_FLAG_EMU_EDGE)
461 buf->data[i] = buf->base[i];
463 buf->data[i] = buf->base[i] +
464 FFALIGN((buf->linesize[i]*edge >> v_shift) +
465 (pixel_size*edge >> h_shift), 32);
469 buf->pix_fmt = s->pix_fmt;
476 static void free_buffer_pool(InputStream *ist)
478 FrameBuffer *buf = ist->buffer_pool;
480 ist->buffer_pool = buf->next;
481 av_freep(&buf->base[0]);
483 buf = ist->buffer_pool;
487 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
489 av_assert0(buf->refcount);
491 if (!buf->refcount) {
492 buf->next = ist->buffer_pool;
493 ist->buffer_pool = buf;
497 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
499 InputStream *ist = s->opaque;
503 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
506 buf = ist->buffer_pool;
507 ist->buffer_pool = buf->next;
509 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
510 av_freep(&buf->base[0]);
512 if ((ret = alloc_buffer(ist, &buf)) < 0)
518 frame->type = FF_BUFFER_TYPE_USER;
519 frame->extended_data = frame->data;
520 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
522 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
523 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
524 frame->data[i] = buf->data[i];
525 frame->linesize[i] = buf->linesize[i];
531 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
533 InputStream *ist = s->opaque;
534 FrameBuffer *buf = frame->opaque;
537 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
538 frame->data[i] = NULL;
540 unref_buffer(ist, buf);
543 static void filter_release_buffer(AVFilterBuffer *fb)
545 FrameBuffer *buf = fb->priv;
547 unref_buffer(buf->ist, buf);
552 static int configure_video_filters(InputStream *ist, OutputStream *ost)
554 AVFilterContext *last_filter, *filter;
555 /** filter graph containing all filters including input & output */
556 AVCodecContext *codec = ost->st->codec;
557 AVCodecContext *icodec = ist->st->codec;
558 SinkContext sink_ctx = { .pix_fmt = codec->pix_fmt };
559 AVRational sample_aspect_ratio;
563 ost->graph = avfilter_graph_alloc();
565 if (ist->st->sample_aspect_ratio.num) {
566 sample_aspect_ratio = ist->st->sample_aspect_ratio;
568 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
570 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
571 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
572 sample_aspect_ratio.num, sample_aspect_ratio.den);
574 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
575 "src", args, NULL, ost->graph);
578 ret = avfilter_graph_create_filter(&ost->output_video_filter, &sink,
579 "out", NULL, &sink_ctx, ost->graph);
582 last_filter = ost->input_video_filter;
584 if (codec->width != icodec->width || codec->height != icodec->height) {
585 snprintf(args, 255, "%d:%d:flags=0x%X",
588 (unsigned)ost->sws_flags);
589 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
590 NULL, args, NULL, ost->graph)) < 0)
592 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
594 last_filter = filter;
597 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
598 ost->graph->scale_sws_opts = av_strdup(args);
601 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
602 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
604 outputs->name = av_strdup("in");
605 outputs->filter_ctx = last_filter;
606 outputs->pad_idx = 0;
607 outputs->next = NULL;
609 inputs->name = av_strdup("out");
610 inputs->filter_ctx = ost->output_video_filter;
614 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
617 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
621 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
624 codec->width = ost->output_video_filter->inputs[0]->w;
625 codec->height = ost->output_video_filter->inputs[0]->h;
626 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
627 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
628 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
629 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
633 #endif /* CONFIG_AVFILTER */
635 static void term_exit(void)
637 av_log(NULL, AV_LOG_QUIET, "");
640 static volatile int received_sigterm = 0;
641 static volatile int received_nb_signals = 0;
644 sigterm_handler(int sig)
646 received_sigterm = sig;
647 received_nb_signals++;
651 static void term_init(void)
653 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
654 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
656 signal(SIGXCPU, sigterm_handler);
660 static int decode_interrupt_cb(void *ctx)
662 return received_nb_signals > 1;
665 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
667 void exit_program(int ret)
672 for (i = 0; i < nb_output_files; i++) {
673 AVFormatContext *s = output_files[i].ctx;
674 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
676 avformat_free_context(s);
677 av_dict_free(&output_files[i].opts);
679 for (i = 0; i < nb_output_streams; i++) {
680 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
682 AVBitStreamFilterContext *next = bsfc->next;
683 av_bitstream_filter_close(bsfc);
686 output_streams[i].bitstream_filters = NULL;
688 if (output_streams[i].output_frame) {
689 AVFrame *frame = output_streams[i].output_frame;
690 if (frame->extended_data != frame->data)
691 av_freep(&frame->extended_data);
696 av_freep(&output_streams[i].avfilter);
699 for (i = 0; i < nb_input_files; i++) {
700 avformat_close_input(&input_files[i].ctx);
702 for (i = 0; i < nb_input_streams; i++) {
703 av_freep(&input_streams[i].decoded_frame);
704 av_freep(&input_streams[i].filtered_frame);
705 av_dict_free(&input_streams[i].opts);
706 free_buffer_pool(&input_streams[i]);
711 av_free(vstats_filename);
713 av_freep(&input_streams);
714 av_freep(&input_files);
715 av_freep(&output_streams);
716 av_freep(&output_files);
720 allocated_audio_buf_size = 0;
725 avformat_network_deinit();
727 if (received_sigterm) {
728 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
729 (int) received_sigterm);
736 static void assert_avoptions(AVDictionary *m)
738 AVDictionaryEntry *t;
739 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
740 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
745 static void assert_codec_experimental(AVCodecContext *c, int encoder)
747 const char *codec_string = encoder ? "encoder" : "decoder";
749 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
750 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
751 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
752 "results.\nAdd '-strict experimental' if you want to use it.\n",
753 codec_string, c->codec->name);
754 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
755 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
756 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
757 codec_string, codec->name);
762 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
764 if (codec && codec->sample_fmts) {
765 const enum AVSampleFormat *p = codec->sample_fmts;
766 for (; *p != -1; p++) {
767 if (*p == st->codec->sample_fmt)
771 av_log(NULL, AV_LOG_WARNING,
772 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
773 av_get_sample_fmt_name(st->codec->sample_fmt),
775 av_get_sample_fmt_name(codec->sample_fmts[0]));
776 st->codec->sample_fmt = codec->sample_fmts[0];
782 * Update the requested input sample format based on the output sample format.
783 * This is currently only used to request float output from decoders which
784 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
785 * Ideally this will be removed in the future when decoders do not do format
786 * conversion and only output in their native format.
788 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
791 /* if sample formats match or a decoder sample format has already been
792 requested, just return */
793 if (enc->sample_fmt == dec->sample_fmt ||
794 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
797 /* if decoder supports more than one output format */
798 if (dec_codec && dec_codec->sample_fmts &&
799 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
800 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
801 const enum AVSampleFormat *p;
802 int min_dec = -1, min_inc = -1;
804 /* find a matching sample format in the encoder */
805 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
806 if (*p == enc->sample_fmt) {
807 dec->request_sample_fmt = *p;
809 } else if (*p > enc->sample_fmt) {
810 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
812 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
815 /* if none match, provide the one that matches quality closest */
816 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
817 enc->sample_fmt - min_dec;
821 static void choose_sample_rate(AVStream *st, AVCodec *codec)
823 if (codec && codec->supported_samplerates) {
824 const int *p = codec->supported_samplerates;
826 int best_dist = INT_MAX;
828 int dist = abs(st->codec->sample_rate - *p);
829 if (dist < best_dist) {
835 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
837 st->codec->sample_rate = best;
841 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
843 if (codec && codec->pix_fmts) {
844 const enum PixelFormat *p = codec->pix_fmts;
845 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
846 if (st->codec->codec_id == CODEC_ID_MJPEG) {
847 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
848 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
849 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
850 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
853 for (; *p != PIX_FMT_NONE; p++) {
854 if (*p == st->codec->pix_fmt)
857 if (*p == PIX_FMT_NONE) {
858 if (st->codec->pix_fmt != PIX_FMT_NONE)
859 av_log(NULL, AV_LOG_WARNING,
860 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
861 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
863 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
864 st->codec->pix_fmt = codec->pix_fmts[0];
870 get_sync_ipts(const OutputStream *ost, int64_t pts)
872 OutputFile *of = &output_files[ost->file_index];
873 return (double)(pts - of->start_time) / AV_TIME_BASE;
876 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
878 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
879 AVCodecContext *avctx = ost->st->codec;
883 * Audio encoders may split the packets -- #frames in != #packets out.
884 * But there is no reordering, so we can limit the number of output packets
885 * by simply dropping them here.
886 * Counting encoded video frames needs to be done separately because of
887 * reordering, see do_video_out()
889 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
890 if (ost->frame_number >= ost->max_frames)
896 AVPacket new_pkt = *pkt;
897 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
898 &new_pkt.data, &new_pkt.size,
899 pkt->data, pkt->size,
900 pkt->flags & AV_PKT_FLAG_KEY);
903 new_pkt.destruct = av_destruct_packet;
905 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
906 bsfc->filter->name, pkt->stream_index,
907 avctx->codec ? avctx->codec->name : "copy");
917 pkt->stream_index = ost->index;
918 ret = av_interleaved_write_frame(s, pkt);
920 print_error("av_interleaved_write_frame()", ret);
925 static int check_recording_time(OutputStream *ost)
927 OutputFile *of = &output_files[ost->file_index];
929 if (of->recording_time != INT64_MAX &&
930 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
931 AV_TIME_BASE_Q) >= 0) {
932 ost->is_past_recording_time = 1;
938 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
940 int fill_char = 0x00;
941 if (sample_fmt == AV_SAMPLE_FMT_U8)
943 memset(buf, fill_char, size);
946 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
947 const uint8_t *buf, int buf_size)
949 AVCodecContext *enc = ost->st->codec;
950 AVFrame *frame = NULL;
954 av_init_packet(&pkt);
959 if (!ost->output_frame) {
960 ost->output_frame = avcodec_alloc_frame();
961 if (!ost->output_frame) {
962 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
966 frame = ost->output_frame;
967 if (frame->extended_data != frame->data)
968 av_freep(&frame->extended_data);
969 avcodec_get_frame_defaults(frame);
971 frame->nb_samples = buf_size /
972 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
973 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
974 buf, buf_size, 1)) < 0) {
975 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
979 if (!check_recording_time(ost))
982 ost->sync_opts += frame->nb_samples;
986 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
987 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
992 if (pkt.pts != AV_NOPTS_VALUE)
993 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
994 if (pkt.dts != AV_NOPTS_VALUE)
995 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
996 if (pkt.duration > 0)
997 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
999 write_frame(s, &pkt, ost);
1001 audio_size += pkt.size;
1007 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1008 InputStream *ist, AVFrame *decoded_frame)
1011 int64_t audio_buf_size;
1013 int size_out, frame_bytes, resample_changed;
1014 AVCodecContext *enc = ost->st->codec;
1015 AVCodecContext *dec = ist->st->codec;
1016 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1017 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1018 uint8_t *buf = decoded_frame->data[0];
1019 int size = decoded_frame->nb_samples * dec->channels * isize;
1020 int64_t allocated_for_size = size;
1023 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1024 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1025 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1026 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1027 audio_buf_size *= osize * enc->channels;
1029 if (audio_buf_size > INT_MAX) {
1030 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1034 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1036 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1040 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
1041 ost->audio_resample = 1;
1043 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1044 ost->resample_channels != dec->channels ||
1045 ost->resample_sample_rate != dec->sample_rate;
1047 if ((ost->audio_resample && !ost->resample) || resample_changed) {
1048 if (resample_changed) {
1049 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",
1050 ist->file_index, ist->st->index,
1051 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1052 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1053 ost->resample_sample_fmt = dec->sample_fmt;
1054 ost->resample_channels = dec->channels;
1055 ost->resample_sample_rate = dec->sample_rate;
1057 audio_resample_close(ost->resample);
1059 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1060 if (audio_sync_method <= 1 &&
1061 ost->resample_sample_fmt == enc->sample_fmt &&
1062 ost->resample_channels == enc->channels &&
1063 ost->resample_sample_rate == enc->sample_rate) {
1064 ost->resample = NULL;
1065 ost->audio_resample = 0;
1066 } else if (ost->audio_resample) {
1067 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
1068 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
1069 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
1070 enc->sample_rate, dec->sample_rate,
1071 enc->sample_fmt, dec->sample_fmt,
1073 if (!ost->resample) {
1074 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1075 dec->channels, dec->sample_rate,
1076 enc->channels, enc->sample_rate);
1082 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
1083 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
1084 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
1085 if (ost->reformat_ctx)
1086 av_audio_convert_free(ost->reformat_ctx);
1087 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
1088 dec->sample_fmt, 1, NULL, 0);
1089 if (!ost->reformat_ctx) {
1090 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
1091 av_get_sample_fmt_name(dec->sample_fmt),
1092 av_get_sample_fmt_name(enc->sample_fmt));
1095 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
1098 if (audio_sync_method) {
1099 double delta = get_sync_ipts(ost, ist->last_dts) * enc->sample_rate - ost->sync_opts -
1100 av_fifo_size(ost->fifo) / (enc->channels * osize);
1101 int idelta = delta * dec->sample_rate / enc->sample_rate;
1102 int byte_delta = idelta * isize * dec->channels;
1104 // FIXME resample delay
1105 if (fabs(delta) > 50) {
1106 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1107 if (byte_delta < 0) {
1108 byte_delta = FFMAX(byte_delta, -size);
1111 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1112 -byte_delta / (isize * dec->channels));
1117 static uint8_t *input_tmp = NULL;
1118 input_tmp = av_realloc(input_tmp, byte_delta + size);
1120 if (byte_delta > allocated_for_size - size) {
1121 allocated_for_size = byte_delta + (int64_t)size;
1126 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1127 memcpy(input_tmp + byte_delta, buf, size);
1130 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1132 } else if (audio_sync_method > 1) {
1133 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1134 av_assert0(ost->audio_resample);
1135 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1136 delta, comp, enc->sample_rate);
1137 // 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));
1138 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1142 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->last_dts) * enc->sample_rate) -
1143 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1145 if (ost->audio_resample) {
1147 size_out = audio_resample(ost->resample,
1148 (short *)buftmp, (short *)buf,
1149 size / (dec->channels * isize));
1150 size_out = size_out * enc->channels * osize;
1156 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1157 const void *ibuf[6] = { buftmp };
1158 void *obuf[6] = { audio_buf };
1159 int istride[6] = { isize };
1160 int ostride[6] = { osize };
1161 int len = size_out / istride[0];
1162 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
1163 printf("av_audio_convert() failed\n");
1169 size_out = len * osize;
1172 /* now encode as many frames as possible */
1173 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1174 /* output resampled raw samples */
1175 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1176 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1179 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1181 frame_bytes = enc->frame_size * osize * enc->channels;
1183 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1184 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1185 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1188 encode_audio_frame(s, ost, buftmp, size_out);
1192 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1194 AVCodecContext *dec;
1195 AVPicture *picture2;
1196 AVPicture picture_tmp;
1199 dec = ist->st->codec;
1201 /* deinterlace : must be done before any resize */
1202 if (do_deinterlace) {
1205 /* create temporary picture */
1206 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1207 buf = av_malloc(size);
1211 picture2 = &picture_tmp;
1212 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1214 if (avpicture_deinterlace(picture2, picture,
1215 dec->pix_fmt, dec->width, dec->height) < 0) {
1216 /* if error, do not deinterlace */
1217 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1226 if (picture != picture2)
1227 *picture = *picture2;
1231 static void do_subtitle_out(AVFormatContext *s,
1237 static uint8_t *subtitle_out = NULL;
1238 int subtitle_out_max_size = 1024 * 1024;
1239 int subtitle_out_size, nb, i;
1240 AVCodecContext *enc;
1243 if (pts == AV_NOPTS_VALUE) {
1244 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1250 enc = ost->st->codec;
1252 if (!subtitle_out) {
1253 subtitle_out = av_malloc(subtitle_out_max_size);
1256 /* Note: DVB subtitle need one packet to draw them and one other
1257 packet to clear them */
1258 /* XXX: signal it in the codec context ? */
1259 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1264 for (i = 0; i < nb; i++) {
1265 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1266 if (!check_recording_time(ost))
1269 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1270 // start_display_time is required to be 0
1271 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1272 sub->end_display_time -= sub->start_display_time;
1273 sub->start_display_time = 0;
1274 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1275 subtitle_out_max_size, sub);
1276 if (subtitle_out_size < 0) {
1277 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1281 av_init_packet(&pkt);
1282 pkt.data = subtitle_out;
1283 pkt.size = subtitle_out_size;
1284 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1285 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1286 /* XXX: the pts correction is handled here. Maybe handling
1287 it in the codec would be better */
1289 pkt.pts += 90 * sub->start_display_time;
1291 pkt.pts += 90 * sub->end_display_time;
1293 write_frame(s, &pkt, ost);
1297 #if !CONFIG_AVFILTER
1298 static void do_video_resample(OutputStream *ost,
1300 AVFrame *in_picture,
1301 AVFrame **out_picture)
1303 int resample_changed = 0;
1304 *out_picture = in_picture;
1306 resample_changed = ost->resample_width != in_picture->width ||
1307 ost->resample_height != in_picture->height ||
1308 ost->resample_pix_fmt != in_picture->format;
1310 if (resample_changed) {
1311 av_log(NULL, AV_LOG_INFO,
1312 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1313 ist->file_index, ist->st->index,
1314 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1315 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1316 if (!ost->video_resample)
1317 ost->video_resample = 1;
1320 if (ost->video_resample) {
1321 *out_picture = &ost->pict_tmp;
1322 if (resample_changed) {
1323 /* initialize a new scaler context */
1324 sws_freeContext(ost->img_resample_ctx);
1325 ost->img_resample_ctx = sws_getContext(
1326 ist->st->codec->width,
1327 ist->st->codec->height,
1328 ist->st->codec->pix_fmt,
1329 ost->st->codec->width,
1330 ost->st->codec->height,
1331 ost->st->codec->pix_fmt,
1332 ost->sws_flags, NULL, NULL, NULL);
1333 if (ost->img_resample_ctx == NULL) {
1334 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1338 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1339 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1341 if (resample_changed) {
1342 ost->resample_width = in_picture->width;
1343 ost->resample_height = in_picture->height;
1344 ost->resample_pix_fmt = in_picture->format;
1350 static void do_video_out(AVFormatContext *s,
1353 AVFrame *in_picture,
1354 int *frame_size, float quality)
1356 int nb_frames, i, ret, format_video_sync;
1357 AVFrame *final_picture;
1358 AVCodecContext *enc;
1361 enc = ost->st->codec;
1363 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1365 /* by default, we output a single frame */
1370 format_video_sync = video_sync_method;
1371 if (format_video_sync == VSYNC_AUTO)
1372 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1373 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
1375 if (format_video_sync != VSYNC_PASSTHROUGH) {
1376 double vdelta = sync_ipts - ost->sync_opts;
1377 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1380 else if (format_video_sync == VSYNC_VFR) {
1381 if (vdelta <= -0.6) {
1383 } else if (vdelta > 0.6)
1384 ost->sync_opts = lrintf(sync_ipts);
1385 } else if (vdelta > 1.1)
1386 nb_frames = lrintf(vdelta);
1387 if (nb_frames == 0) {
1389 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1390 } else if (nb_frames > 1) {
1391 nb_frames_dup += nb_frames - 1;
1392 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1395 ost->sync_opts = lrintf(sync_ipts);
1397 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1401 #if !CONFIG_AVFILTER
1402 do_video_resample(ost, ist, in_picture, &final_picture);
1404 final_picture = in_picture;
1407 if (!ost->frame_number)
1408 ost->first_pts = ost->sync_opts;
1410 /* duplicates frame if needed */
1411 for (i = 0; i < nb_frames; i++) {
1413 av_init_packet(&pkt);
1417 if (!check_recording_time(ost))
1420 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1421 enc->codec->id == CODEC_ID_RAWVIDEO) {
1422 /* raw pictures are written as AVPicture structure to
1423 avoid any copies. We support temporarily the older
1425 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1426 enc->coded_frame->top_field_first = in_picture->top_field_first;
1427 pkt.data = (uint8_t *)final_picture;
1428 pkt.size = sizeof(AVPicture);
1429 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1430 pkt.flags |= AV_PKT_FLAG_KEY;
1432 write_frame(s, &pkt, ost);
1435 AVFrame big_picture;
1437 big_picture = *final_picture;
1438 /* better than nothing: use input picture interlaced
1440 big_picture.interlaced_frame = in_picture->interlaced_frame;
1441 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1442 if (ost->top_field_first == -1)
1443 big_picture.top_field_first = in_picture->top_field_first;
1445 big_picture.top_field_first = !!ost->top_field_first;
1448 /* handles same_quant here. This is not correct because it may
1449 not be a global option */
1450 big_picture.quality = quality;
1451 if (!enc->me_threshold)
1452 big_picture.pict_type = 0;
1453 big_picture.pts = ost->sync_opts;
1454 if (ost->forced_kf_index < ost->forced_kf_count &&
1455 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1456 big_picture.pict_type = AV_PICTURE_TYPE_I;
1457 ost->forced_kf_index++;
1459 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1461 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1466 if (pkt.pts != AV_NOPTS_VALUE)
1467 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1468 if (pkt.dts != AV_NOPTS_VALUE)
1469 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1471 write_frame(s, &pkt, ost);
1475 /* if two pass, output log */
1476 if (ost->logfile && enc->stats_out) {
1477 fprintf(ost->logfile, "%s", enc->stats_out);
1483 * For video, number of frames in == number of packets out.
1484 * But there may be reordering, so we can't throw away frames on encoder
1485 * flush, we need to limit them here, before they go into encoder.
1487 ost->frame_number++;
1491 static double psnr(double d)
1493 return -10.0 * log(d) / log(10.0);
1496 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1499 AVCodecContext *enc;
1501 double ti1, bitrate, avg_bitrate;
1503 /* this is executed just the first time do_video_stats is called */
1505 vstats_file = fopen(vstats_filename, "w");
1512 enc = ost->st->codec;
1513 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1514 frame_number = ost->frame_number;
1515 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1516 if (enc->flags&CODEC_FLAG_PSNR)
1517 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1519 fprintf(vstats_file,"f_size= %6d ", frame_size);
1520 /* compute pts value */
1521 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1525 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1526 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1527 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1528 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1529 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1533 static void print_report(OutputFile *output_files,
1534 OutputStream *ost_table, int nb_ostreams,
1535 int is_last_report, int64_t timer_start)
1539 AVFormatContext *oc;
1541 AVCodecContext *enc;
1542 int frame_number, vid, i;
1543 double bitrate, ti1, pts;
1544 static int64_t last_time = -1;
1545 static int qp_histogram[52];
1547 if (!print_stats && !is_last_report)
1550 if (!is_last_report) {
1552 /* display the report every 0.5 seconds */
1553 cur_time = av_gettime();
1554 if (last_time == -1) {
1555 last_time = cur_time;
1558 if ((cur_time - last_time) < 500000)
1560 last_time = cur_time;
1564 oc = output_files[0].ctx;
1566 total_size = avio_size(oc->pb);
1567 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1568 total_size = avio_tell(oc->pb);
1573 for (i = 0; i < nb_ostreams; i++) {
1575 ost = &ost_table[i];
1576 enc = ost->st->codec;
1577 if (!ost->stream_copy && enc->coded_frame)
1578 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1579 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1580 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1582 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1583 float t = (av_gettime() - timer_start) / 1000000.0;
1585 frame_number = ost->frame_number;
1586 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1587 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1589 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1593 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1595 for (j = 0; j < 32; j++)
1596 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1598 if (enc->flags&CODEC_FLAG_PSNR) {
1600 double error, error_sum = 0;
1601 double scale, scale_sum = 0;
1602 char type[3] = { 'Y','U','V' };
1603 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1604 for (j = 0; j < 3; j++) {
1605 if (is_last_report) {
1606 error = enc->error[j];
1607 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1609 error = enc->coded_frame->error[j];
1610 scale = enc->width * enc->height * 255.0 * 255.0;
1616 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1618 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1622 /* compute min output value */
1623 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1624 if ((pts < ti1) && (pts > 0))
1630 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1632 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1633 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1634 (double)total_size / 1024, ti1, bitrate);
1636 if (nb_frames_dup || nb_frames_drop)
1637 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1638 nb_frames_dup, nb_frames_drop);
1640 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1644 if (is_last_report) {
1645 int64_t raw= audio_size + video_size + extra_size;
1646 av_log(NULL, AV_LOG_INFO, "\n");
1647 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1648 video_size / 1024.0,
1649 audio_size / 1024.0,
1650 extra_size / 1024.0,
1651 100.0 * (total_size - raw) / raw
1656 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1660 for (i = 0; i < nb_ostreams; i++) {
1661 OutputStream *ost = &ost_table[i];
1662 AVCodecContext *enc = ost->st->codec;
1663 AVFormatContext *os = output_files[ost->file_index].ctx;
1664 int stop_encoding = 0;
1666 if (!ost->encoding_needed)
1669 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1671 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1676 int fifo_bytes, got_packet;
1677 av_init_packet(&pkt);
1681 switch (ost->st->codec->codec_type) {
1682 case AVMEDIA_TYPE_AUDIO:
1683 fifo_bytes = av_fifo_size(ost->fifo);
1684 if (fifo_bytes > 0) {
1685 /* encode any samples remaining in fifo */
1686 int frame_bytes = fifo_bytes;
1688 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1690 /* pad last frame with silence if needed */
1691 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1692 frame_bytes = enc->frame_size * enc->channels *
1693 av_get_bytes_per_sample(enc->sample_fmt);
1694 if (allocated_audio_buf_size < frame_bytes)
1696 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1698 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1700 /* flush encoder with NULL frames until it is done
1701 returning packets */
1702 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1708 case AVMEDIA_TYPE_VIDEO:
1709 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1711 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1715 if (ost->logfile && enc->stats_out) {
1716 fprintf(ost->logfile, "%s", enc->stats_out);
1722 if (pkt.pts != AV_NOPTS_VALUE)
1723 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1724 if (pkt.dts != AV_NOPTS_VALUE)
1725 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1726 write_frame(os, &pkt, ost);
1738 * Check whether a packet from ist should be written into ost at this time
1740 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1742 OutputFile *of = &output_files[ost->file_index];
1743 int ist_index = ist - input_streams;
1745 if (ost->source_index != ist_index)
1748 if (of->start_time && ist->last_dts < of->start_time)
1754 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1756 OutputFile *of = &output_files[ost->file_index];
1757 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1760 av_init_packet(&opkt);
1762 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1763 !ost->copy_initial_nonkeyframes)
1766 if (of->recording_time != INT64_MAX &&
1767 ist->last_dts >= of->recording_time + of->start_time) {
1768 ost->is_past_recording_time = 1;
1772 /* force the input stream PTS */
1773 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1774 audio_size += pkt->size;
1775 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1776 video_size += pkt->size;
1780 if (pkt->pts != AV_NOPTS_VALUE)
1781 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1783 opkt.pts = AV_NOPTS_VALUE;
1785 if (pkt->dts == AV_NOPTS_VALUE)
1786 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1788 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1789 opkt.dts -= ost_tb_start_time;
1791 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1792 opkt.flags = pkt->flags;
1794 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1795 if ( ost->st->codec->codec_id != CODEC_ID_H264
1796 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1797 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1799 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1800 opkt.destruct = av_destruct_packet;
1802 opkt.data = pkt->data;
1803 opkt.size = pkt->size;
1806 write_frame(of->ctx, &opkt, ost);
1807 ost->st->codec->frame_number++;
1808 av_free_packet(&opkt);
1811 static void rate_emu_sleep(InputStream *ist)
1813 if (input_files[ist->file_index].rate_emu) {
1814 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
1815 int64_t now = av_gettime() - ist->start;
1821 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1823 AVFrame *decoded_frame;
1824 AVCodecContext *avctx = ist->st->codec;
1825 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1828 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1829 return AVERROR(ENOMEM);
1831 avcodec_get_frame_defaults(ist->decoded_frame);
1832 decoded_frame = ist->decoded_frame;
1834 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1840 /* no audio frame */
1844 /* if the decoder provides a pts, use it instead of the last packet pts.
1845 the decoder could be delaying output by a packet or more. */
1846 if (decoded_frame->pts != AV_NOPTS_VALUE)
1847 ist->next_dts = decoded_frame->pts;
1849 /* increment next_dts to use for the case where the input stream does not
1850 have timestamps or there are multiple frames in the packet */
1851 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1854 // preprocess audio (volume)
1855 if (audio_volume != 256) {
1856 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1857 void *samples = decoded_frame->data[0];
1858 switch (avctx->sample_fmt) {
1859 case AV_SAMPLE_FMT_U8:
1861 uint8_t *volp = samples;
1862 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1863 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1864 *volp++ = av_clip_uint8(v);
1868 case AV_SAMPLE_FMT_S16:
1870 int16_t *volp = samples;
1871 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1872 int v = ((*volp) * audio_volume + 128) >> 8;
1873 *volp++ = av_clip_int16(v);
1877 case AV_SAMPLE_FMT_S32:
1879 int32_t *volp = samples;
1880 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1881 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1882 *volp++ = av_clipl_int32(v);
1886 case AV_SAMPLE_FMT_FLT:
1888 float *volp = samples;
1889 float scale = audio_volume / 256.f;
1890 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1895 case AV_SAMPLE_FMT_DBL:
1897 double *volp = samples;
1898 double scale = audio_volume / 256.;
1899 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1905 av_log(NULL, AV_LOG_FATAL,
1906 "Audio volume adjustment on sample format %s is not supported.\n",
1907 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1912 rate_emu_sleep(ist);
1914 for (i = 0; i < nb_output_streams; i++) {
1915 OutputStream *ost = &output_streams[i];
1917 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1919 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1925 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1927 AVFrame *decoded_frame, *filtered_frame = NULL;
1928 void *buffer_to_free = NULL;
1932 int frame_available = 1;
1935 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1936 return AVERROR(ENOMEM);
1938 avcodec_get_frame_defaults(ist->decoded_frame);
1939 decoded_frame = ist->decoded_frame;
1940 pkt->pts = *pkt_pts;
1941 pkt->dts = ist->last_dts;
1942 *pkt_pts = AV_NOPTS_VALUE;
1944 ret = avcodec_decode_video2(ist->st->codec,
1945 decoded_frame, got_output, pkt);
1949 quality = same_quant ? decoded_frame->quality : 0;
1951 /* no picture yet */
1954 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1955 decoded_frame->pkt_dts);
1957 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1959 rate_emu_sleep(ist);
1961 for (i = 0; i < nb_output_streams; i++) {
1962 OutputStream *ost = &output_streams[i];
1963 int frame_size, resample_changed;
1965 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1969 resample_changed = ost->resample_width != decoded_frame->width ||
1970 ost->resample_height != decoded_frame->height ||
1971 ost->resample_pix_fmt != decoded_frame->format;
1972 if (resample_changed) {
1973 av_log(NULL, AV_LOG_INFO,
1974 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1975 ist->file_index, ist->st->index,
1976 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1977 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1979 avfilter_graph_free(&ost->graph);
1980 if (configure_video_filters(ist, ost)) {
1981 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1985 ost->resample_width = decoded_frame->width;
1986 ost->resample_height = decoded_frame->height;
1987 ost->resample_pix_fmt = decoded_frame->format;
1990 if (ist->st->sample_aspect_ratio.num)
1991 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1992 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1993 FrameBuffer *buf = decoded_frame->opaque;
1994 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1995 decoded_frame->data, decoded_frame->linesize,
1996 AV_PERM_READ | AV_PERM_PRESERVE,
1997 ist->st->codec->width, ist->st->codec->height,
1998 ist->st->codec->pix_fmt);
2000 avfilter_copy_frame_props(fb, decoded_frame);
2001 fb->buf->priv = buf;
2002 fb->buf->free = filter_release_buffer;
2005 av_buffersrc_buffer(ost->input_video_filter, fb);
2007 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
2008 decoded_frame->pts, decoded_frame->sample_aspect_ratio);
2010 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2011 av_free(buffer_to_free);
2012 return AVERROR(ENOMEM);
2014 avcodec_get_frame_defaults(ist->filtered_frame);
2015 filtered_frame = ist->filtered_frame;
2017 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2018 while (frame_available) {
2019 AVRational ist_pts_tb;
2020 if (ost->output_video_filter)
2021 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
2023 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2024 if (ost->picref->video && !ost->frame_aspect_ratio)
2025 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2027 filtered_frame = decoded_frame;
2030 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2031 same_quant ? quality : ost->st->codec->global_quality);
2032 if (vstats_filename && frame_size)
2033 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2035 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2037 avfilter_unref_buffer(ost->picref);
2042 av_free(buffer_to_free);
2046 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2048 AVSubtitle subtitle;
2049 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2050 &subtitle, got_output, pkt);
2056 rate_emu_sleep(ist);
2058 for (i = 0; i < nb_output_streams; i++) {
2059 OutputStream *ost = &output_streams[i];
2061 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2064 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2067 avsubtitle_free(&subtitle);
2071 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2072 static int output_packet(InputStream *ist,
2073 OutputStream *ost_table, int nb_ostreams,
2074 const AVPacket *pkt)
2078 int64_t pkt_pts = AV_NOPTS_VALUE;
2081 if (ist->next_dts == AV_NOPTS_VALUE)
2082 ist->next_dts = ist->last_dts;
2086 av_init_packet(&avpkt);
2094 if (pkt->dts != AV_NOPTS_VALUE)
2095 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2096 if (pkt->pts != AV_NOPTS_VALUE)
2097 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2099 // while we have more to decode or while the decoder did output something on EOF
2100 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2104 ist->last_dts = ist->next_dts;
2106 if (avpkt.size && avpkt.size != pkt->size) {
2107 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2108 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2109 ist->showed_multi_packet_warning = 1;
2112 switch (ist->st->codec->codec_type) {
2113 case AVMEDIA_TYPE_AUDIO:
2114 ret = transcode_audio (ist, &avpkt, &got_output);
2116 case AVMEDIA_TYPE_VIDEO:
2117 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2119 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2120 else if (ist->st->r_frame_rate.num)
2121 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2122 ist->st->r_frame_rate.num},
2124 else if (ist->st->codec->time_base.num != 0) {
2125 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2126 ist->st->codec->ticks_per_frame;
2127 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2130 case AVMEDIA_TYPE_SUBTITLE:
2131 ret = transcode_subtitles(ist, &avpkt, &got_output);
2139 // touch data and size only if not EOF
2149 /* handle stream copy */
2150 if (!ist->decoding_needed) {
2151 rate_emu_sleep(ist);
2152 ist->last_dts = ist->next_dts;
2153 switch (ist->st->codec->codec_type) {
2154 case AVMEDIA_TYPE_AUDIO:
2155 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2156 ist->st->codec->sample_rate;
2158 case AVMEDIA_TYPE_VIDEO:
2159 if (ist->st->codec->time_base.num != 0) {
2160 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2161 ist->next_dts += ((int64_t)AV_TIME_BASE *
2162 ist->st->codec->time_base.num * ticks) /
2163 ist->st->codec->time_base.den;
2168 for (i = 0; pkt && i < nb_ostreams; i++) {
2169 OutputStream *ost = &ost_table[i];
2171 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2174 do_streamcopy(ist, ost, pkt);
2180 static void print_sdp(OutputFile *output_files, int n)
2184 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2188 for (i = 0; i < n; i++)
2189 avc[i] = output_files[i].ctx;
2191 av_sdp_create(avc, n, sdp, sizeof(sdp));
2192 printf("SDP:\n%s\n", sdp);
2197 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2198 char *error, int error_len)
2201 InputStream *ist = &input_streams[ist_index];
2202 if (ist->decoding_needed) {
2203 AVCodec *codec = ist->dec;
2205 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2206 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2207 return AVERROR(EINVAL);
2210 /* update requested sample format for the decoder based on the
2211 corresponding encoder sample format */
2212 for (i = 0; i < nb_output_streams; i++) {
2213 OutputStream *ost = &output_streams[i];
2214 if (ost->source_index == ist_index) {
2215 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2220 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2221 ist->st->codec->get_buffer = codec_get_buffer;
2222 ist->st->codec->release_buffer = codec_release_buffer;
2223 ist->st->codec->opaque = ist;
2226 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2227 av_dict_set(&ist->opts, "threads", "auto", 0);
2228 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2229 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2230 ist->file_index, ist->st->index);
2231 return AVERROR(EINVAL);
2233 assert_codec_experimental(ist->st->codec, 0);
2234 assert_avoptions(ist->opts);
2237 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2238 ist->next_dts = AV_NOPTS_VALUE;
2239 init_pts_correction(&ist->pts_ctx);
2245 static int transcode_init(OutputFile *output_files,
2246 int nb_output_files,
2247 InputFile *input_files,
2250 int ret = 0, i, j, k;
2251 AVFormatContext *oc;
2252 AVCodecContext *codec, *icodec;
2258 /* init framerate emulation */
2259 for (i = 0; i < nb_input_files; i++) {
2260 InputFile *ifile = &input_files[i];
2261 if (ifile->rate_emu)
2262 for (j = 0; j < ifile->nb_streams; j++)
2263 input_streams[j + ifile->ist_index].start = av_gettime();
2266 /* output stream init */
2267 for (i = 0; i < nb_output_files; i++) {
2268 oc = output_files[i].ctx;
2269 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2270 av_dump_format(oc, i, oc->filename, 1);
2271 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2272 return AVERROR(EINVAL);
2276 /* for each output stream, we compute the right encoding parameters */
2277 for (i = 0; i < nb_output_streams; i++) {
2278 ost = &output_streams[i];
2279 oc = output_files[ost->file_index].ctx;
2280 ist = &input_streams[ost->source_index];
2282 if (ost->attachment_filename)
2285 codec = ost->st->codec;
2286 icodec = ist->st->codec;
2288 ost->st->disposition = ist->st->disposition;
2289 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2290 codec->chroma_sample_location = icodec->chroma_sample_location;
2292 if (ost->stream_copy) {
2293 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2295 if (extra_size > INT_MAX) {
2296 return AVERROR(EINVAL);
2299 /* if stream_copy is selected, no need to decode or encode */
2300 codec->codec_id = icodec->codec_id;
2301 codec->codec_type = icodec->codec_type;
2303 if (!codec->codec_tag) {
2304 if (!oc->oformat->codec_tag ||
2305 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2306 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2307 codec->codec_tag = icodec->codec_tag;
2310 codec->bit_rate = icodec->bit_rate;
2311 codec->rc_max_rate = icodec->rc_max_rate;
2312 codec->rc_buffer_size = icodec->rc_buffer_size;
2313 codec->field_order = icodec->field_order;
2314 codec->extradata = av_mallocz(extra_size);
2315 if (!codec->extradata) {
2316 return AVERROR(ENOMEM);
2318 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2319 codec->extradata_size = icodec->extradata_size;
2321 codec->time_base = icodec->time_base;
2322 codec->time_base.num *= icodec->ticks_per_frame;
2323 av_reduce(&codec->time_base.num, &codec->time_base.den,
2324 codec->time_base.num, codec->time_base.den, INT_MAX);
2326 codec->time_base = ist->st->time_base;
2328 switch (codec->codec_type) {
2329 case AVMEDIA_TYPE_AUDIO:
2330 if (audio_volume != 256) {
2331 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2334 codec->channel_layout = icodec->channel_layout;
2335 codec->sample_rate = icodec->sample_rate;
2336 codec->channels = icodec->channels;
2337 codec->frame_size = icodec->frame_size;
2338 codec->audio_service_type = icodec->audio_service_type;
2339 codec->block_align = icodec->block_align;
2341 case AVMEDIA_TYPE_VIDEO:
2342 codec->pix_fmt = icodec->pix_fmt;
2343 codec->width = icodec->width;
2344 codec->height = icodec->height;
2345 codec->has_b_frames = icodec->has_b_frames;
2346 if (!codec->sample_aspect_ratio.num) {
2347 codec->sample_aspect_ratio =
2348 ost->st->sample_aspect_ratio =
2349 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2350 ist->st->codec->sample_aspect_ratio.num ?
2351 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2354 case AVMEDIA_TYPE_SUBTITLE:
2355 codec->width = icodec->width;
2356 codec->height = icodec->height;
2358 case AVMEDIA_TYPE_DATA:
2359 case AVMEDIA_TYPE_ATTACHMENT:
2366 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2368 ist->decoding_needed = 1;
2369 ost->encoding_needed = 1;
2371 switch (codec->codec_type) {
2372 case AVMEDIA_TYPE_AUDIO:
2373 ost->fifo = av_fifo_alloc(1024);
2375 return AVERROR(ENOMEM);
2377 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2379 if (!codec->sample_rate)
2380 codec->sample_rate = icodec->sample_rate;
2381 choose_sample_rate(ost->st, ost->enc);
2382 codec->time_base = (AVRational){ 1, codec->sample_rate };
2384 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2385 codec->sample_fmt = icodec->sample_fmt;
2386 choose_sample_fmt(ost->st, ost->enc);
2388 if (!codec->channels)
2389 codec->channels = icodec->channels;
2390 codec->channel_layout = icodec->channel_layout;
2391 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2392 codec->channel_layout = 0;
2394 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2395 icodec->request_channels = codec-> channels;
2396 ost->resample_sample_fmt = icodec->sample_fmt;
2397 ost->resample_sample_rate = icodec->sample_rate;
2398 ost->resample_channels = icodec->channels;
2400 case AVMEDIA_TYPE_VIDEO:
2401 if (codec->pix_fmt == PIX_FMT_NONE)
2402 codec->pix_fmt = icodec->pix_fmt;
2403 choose_pixel_fmt(ost->st, ost->enc);
2405 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2406 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2410 if (!codec->width || !codec->height) {
2411 codec->width = icodec->width;
2412 codec->height = icodec->height;
2415 ost->video_resample = codec->width != icodec->width ||
2416 codec->height != icodec->height ||
2417 codec->pix_fmt != icodec->pix_fmt;
2418 if (ost->video_resample) {
2419 #if !CONFIG_AVFILTER
2420 avcodec_get_frame_defaults(&ost->pict_tmp);
2421 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2422 codec->width, codec->height)) {
2423 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2426 ost->img_resample_ctx = sws_getContext(
2433 ost->sws_flags, NULL, NULL, NULL);
2434 if (ost->img_resample_ctx == NULL) {
2435 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2439 codec->bits_per_raw_sample = 0;
2442 ost->resample_height = icodec->height;
2443 ost->resample_width = icodec->width;
2444 ost->resample_pix_fmt = icodec->pix_fmt;
2446 if (!ost->frame_rate.num)
2447 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2448 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2449 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2450 ost->frame_rate = ost->enc->supported_framerates[idx];
2452 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2455 if (configure_video_filters(ist, ost)) {
2456 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2461 case AVMEDIA_TYPE_SUBTITLE:
2462 codec->time_base = (AVRational){1, 1000};
2469 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2470 char logfilename[1024];
2473 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2474 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2476 if (codec->flags & CODEC_FLAG_PASS1) {
2477 f = fopen(logfilename, "wb");
2479 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2480 logfilename, strerror(errno));
2486 size_t logbuffer_size;
2487 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2488 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2492 codec->stats_in = logbuffer;
2498 /* open each encoder */
2499 for (i = 0; i < nb_output_streams; i++) {
2500 ost = &output_streams[i];
2501 if (ost->encoding_needed) {
2502 AVCodec *codec = ost->enc;
2503 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2505 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2506 ost->st->codec->codec_id, ost->file_index, ost->index);
2507 ret = AVERROR(EINVAL);
2510 if (dec->subtitle_header) {
2511 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2512 if (!ost->st->codec->subtitle_header) {
2513 ret = AVERROR(ENOMEM);
2516 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2517 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2519 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2520 av_dict_set(&ost->opts, "threads", "auto", 0);
2521 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2522 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2523 ost->file_index, ost->index);
2524 ret = AVERROR(EINVAL);
2527 assert_codec_experimental(ost->st->codec, 1);
2528 assert_avoptions(ost->opts);
2529 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2530 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2531 "It takes bits/s as argument, not kbits/s\n");
2532 extra_size += ost->st->codec->extradata_size;
2534 if (ost->st->codec->me_threshold)
2535 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2539 /* init input streams */
2540 for (i = 0; i < nb_input_streams; i++)
2541 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2544 /* discard unused programs */
2545 for (i = 0; i < nb_input_files; i++) {
2546 InputFile *ifile = &input_files[i];
2547 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2548 AVProgram *p = ifile->ctx->programs[j];
2549 int discard = AVDISCARD_ALL;
2551 for (k = 0; k < p->nb_stream_indexes; k++)
2552 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2553 discard = AVDISCARD_DEFAULT;
2556 p->discard = discard;
2560 /* open files and write file headers */
2561 for (i = 0; i < nb_output_files; i++) {
2562 oc = output_files[i].ctx;
2563 oc->interrupt_callback = int_cb;
2564 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2565 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2566 ret = AVERROR(EINVAL);
2569 assert_avoptions(output_files[i].opts);
2570 if (strcmp(oc->oformat->name, "rtp")) {
2576 /* dump the file output parameters - cannot be done before in case
2578 for (i = 0; i < nb_output_files; i++) {
2579 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2582 /* dump the stream mapping */
2583 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2584 for (i = 0; i < nb_output_streams; i++) {
2585 ost = &output_streams[i];
2587 if (ost->attachment_filename) {
2588 /* an attached file */
2589 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2590 ost->attachment_filename, ost->file_index, ost->index);
2593 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2594 input_streams[ost->source_index].file_index,
2595 input_streams[ost->source_index].st->index,
2598 if (ost->sync_ist != &input_streams[ost->source_index])
2599 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2600 ost->sync_ist->file_index,
2601 ost->sync_ist->st->index);
2602 if (ost->stream_copy)
2603 av_log(NULL, AV_LOG_INFO, " (copy)");
2605 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2606 input_streams[ost->source_index].dec->name : "?",
2607 ost->enc ? ost->enc->name : "?");
2608 av_log(NULL, AV_LOG_INFO, "\n");
2612 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2617 print_sdp(output_files, nb_output_files);
2624 * The following code is the main loop of the file converter
2626 static int transcode(OutputFile *output_files,
2627 int nb_output_files,
2628 InputFile *input_files,
2632 AVFormatContext *is, *os;
2636 int no_packet_count = 0;
2637 int64_t timer_start;
2639 if (!(no_packet = av_mallocz(nb_input_files)))
2642 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2646 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2649 timer_start = av_gettime();
2651 for (; received_sigterm == 0;) {
2652 int file_index, ist_index;
2657 ipts_min = INT64_MAX;
2660 /* select the stream that we must read now by looking at the
2661 smallest output pts */
2663 for (i = 0; i < nb_output_streams; i++) {
2667 ost = &output_streams[i];
2668 of = &output_files[ost->file_index];
2669 os = output_files[ost->file_index].ctx;
2670 ist = &input_streams[ost->source_index];
2671 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2672 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2674 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2675 ipts = ist->last_dts;
2676 if (!input_files[ist->file_index].eof_reached) {
2677 if (ipts < ipts_min) {
2680 file_index = ist->file_index;
2682 if (opts < opts_min) {
2684 if (!input_sync) file_index = ist->file_index;
2687 if (ost->frame_number >= ost->max_frames) {
2689 for (j = 0; j < of->ctx->nb_streams; j++)
2690 output_streams[of->ost_index + j].is_past_recording_time = 1;
2694 /* if none, if is finished */
2695 if (file_index < 0) {
2696 if (no_packet_count) {
2697 no_packet_count = 0;
2698 memset(no_packet, 0, nb_input_files);
2705 /* read a frame from it and output it in the fifo */
2706 is = input_files[file_index].ctx;
2707 ret = av_read_frame(is, &pkt);
2708 if (ret == AVERROR(EAGAIN)) {
2709 no_packet[file_index] = 1;
2714 input_files[file_index].eof_reached = 1;
2721 no_packet_count = 0;
2722 memset(no_packet, 0, nb_input_files);
2725 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2726 is->streams[pkt.stream_index]);
2728 /* the following test is needed in case new streams appear
2729 dynamically in stream : we ignore them */
2730 if (pkt.stream_index >= input_files[file_index].nb_streams)
2731 goto discard_packet;
2732 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2733 ist = &input_streams[ist_index];
2735 goto discard_packet;
2737 if (pkt.dts != AV_NOPTS_VALUE)
2738 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2739 if (pkt.pts != AV_NOPTS_VALUE)
2740 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2742 if (pkt.pts != AV_NOPTS_VALUE)
2743 pkt.pts *= ist->ts_scale;
2744 if (pkt.dts != AV_NOPTS_VALUE)
2745 pkt.dts *= ist->ts_scale;
2747 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2749 // pkt.dts, input_files[ist->file_index].ts_offset,
2750 // ist->st->codec->codec_type);
2751 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
2752 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2753 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2754 int64_t delta = pkt_dts - ist->next_dts;
2755 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2756 input_files[ist->file_index].ts_offset -= delta;
2757 av_log(NULL, AV_LOG_DEBUG,
2758 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2759 delta, input_files[ist->file_index].ts_offset);
2760 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2761 if (pkt.pts != AV_NOPTS_VALUE)
2762 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2766 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2767 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2769 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2770 ist->file_index, ist->st->index);
2773 av_free_packet(&pkt);
2778 av_free_packet(&pkt);
2780 /* dump report by using the output first video and audio streams */
2781 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2784 /* at the end of stream, we must flush the decoder buffers */
2785 for (i = 0; i < nb_input_streams; i++) {
2786 ist = &input_streams[i];
2787 if (ist->decoding_needed) {
2788 output_packet(ist, output_streams, nb_output_streams, NULL);
2791 flush_encoders(output_streams, nb_output_streams);
2795 /* write the trailer if needed and close file */
2796 for (i = 0; i < nb_output_files; i++) {
2797 os = output_files[i].ctx;
2798 av_write_trailer(os);
2801 /* dump report by using the first video and audio streams */
2802 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2804 /* close each encoder */
2805 for (i = 0; i < nb_output_streams; i++) {
2806 ost = &output_streams[i];
2807 if (ost->encoding_needed) {
2808 av_freep(&ost->st->codec->stats_in);
2809 avcodec_close(ost->st->codec);
2812 avfilter_graph_free(&ost->graph);
2816 /* close each decoder */
2817 for (i = 0; i < nb_input_streams; i++) {
2818 ist = &input_streams[i];
2819 if (ist->decoding_needed) {
2820 avcodec_close(ist->st->codec);
2828 av_freep(&no_packet);
2830 if (output_streams) {
2831 for (i = 0; i < nb_output_streams; i++) {
2832 ost = &output_streams[i];
2834 if (ost->stream_copy)
2835 av_freep(&ost->st->codec->extradata);
2837 fclose(ost->logfile);
2838 ost->logfile = NULL;
2840 av_fifo_free(ost->fifo); /* works even if fifo is not
2841 initialized but set to zero */
2842 av_freep(&ost->st->codec->subtitle_header);
2843 av_free(ost->pict_tmp.data[0]);
2844 av_free(ost->forced_kf_pts);
2845 if (ost->video_resample)
2846 sws_freeContext(ost->img_resample_ctx);
2848 audio_resample_close(ost->resample);
2849 if (ost->reformat_ctx)
2850 av_audio_convert_free(ost->reformat_ctx);
2851 av_dict_free(&ost->opts);
2858 static double parse_frame_aspect_ratio(const char *arg)
2865 p = strchr(arg, ':');
2867 x = strtol(arg, &end, 10);
2869 y = strtol(end + 1, &end, 10);
2871 ar = (double)x / (double)y;
2873 ar = strtod(arg, NULL);
2876 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2882 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2884 return parse_option(o, "codec:a", arg, options);
2887 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2889 return parse_option(o, "codec:v", arg, options);
2892 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2894 return parse_option(o, "codec:s", arg, options);
2897 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2899 return parse_option(o, "codec:d", arg, options);
2902 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2904 StreamMap *m = NULL;
2905 int i, negative = 0, file_idx;
2906 int sync_file_idx = -1, sync_stream_idx;
2914 map = av_strdup(arg);
2916 /* parse sync stream first, just pick first matching stream */
2917 if (sync = strchr(map, ',')) {
2919 sync_file_idx = strtol(sync + 1, &sync, 0);
2920 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2921 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2926 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2927 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2928 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2929 sync_stream_idx = i;
2932 if (i == input_files[sync_file_idx].nb_streams) {
2933 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2934 "match any streams.\n", arg);
2940 file_idx = strtol(map, &p, 0);
2941 if (file_idx >= nb_input_files || file_idx < 0) {
2942 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2946 /* disable some already defined maps */
2947 for (i = 0; i < o->nb_stream_maps; i++) {
2948 m = &o->stream_maps[i];
2949 if (file_idx == m->file_index &&
2950 check_stream_specifier(input_files[m->file_index].ctx,
2951 input_files[m->file_index].ctx->streams[m->stream_index],
2952 *p == ':' ? p + 1 : p) > 0)
2956 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2957 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2958 *p == ':' ? p + 1 : p) <= 0)
2960 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2961 &o->nb_stream_maps, o->nb_stream_maps + 1);
2962 m = &o->stream_maps[o->nb_stream_maps - 1];
2964 m->file_index = file_idx;
2965 m->stream_index = i;
2967 if (sync_file_idx >= 0) {
2968 m->sync_file_index = sync_file_idx;
2969 m->sync_stream_index = sync_stream_idx;
2971 m->sync_file_index = file_idx;
2972 m->sync_stream_index = i;
2977 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2985 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2987 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2988 &o->nb_attachments, o->nb_attachments + 1);
2989 o->attachments[o->nb_attachments - 1] = arg;
2994 * Parse a metadata specifier in arg.
2995 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2996 * @param index for type c/p, chapter/program index is written here
2997 * @param stream_spec for type s, the stream specifier is written here
2999 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3007 if (*(++arg) && *arg != ':') {
3008 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3011 *stream_spec = *arg == ':' ? arg + 1 : "";
3015 if (*(++arg) == ':')
3016 *index = strtol(++arg, NULL, 0);
3019 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3026 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3028 AVDictionary **meta_in = NULL;
3029 AVDictionary **meta_out;
3031 char type_in, type_out;
3032 const char *istream_spec = NULL, *ostream_spec = NULL;
3033 int idx_in = 0, idx_out = 0;
3035 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3036 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3038 if (type_in == 'g' || type_out == 'g')
3039 o->metadata_global_manual = 1;
3040 if (type_in == 's' || type_out == 's')
3041 o->metadata_streams_manual = 1;
3042 if (type_in == 'c' || type_out == 'c')
3043 o->metadata_chapters_manual = 1;
3045 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3046 if ((index) < 0 || (index) >= (nb_elems)) {\
3047 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3052 #define SET_DICT(type, meta, context, index)\
3055 meta = &context->metadata;\
3058 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3059 meta = &context->chapters[index]->metadata;\
3062 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3063 meta = &context->programs[index]->metadata;\
3067 SET_DICT(type_in, meta_in, ic, idx_in);
3068 SET_DICT(type_out, meta_out, oc, idx_out);
3070 /* for input streams choose first matching stream */
3071 if (type_in == 's') {
3072 for (i = 0; i < ic->nb_streams; i++) {
3073 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3074 meta_in = &ic->streams[i]->metadata;
3080 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3085 if (type_out == 's') {
3086 for (i = 0; i < oc->nb_streams; i++) {
3087 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3088 meta_out = &oc->streams[i]->metadata;
3089 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3094 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3099 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3101 const char *codec_string = encoder ? "encoder" : "decoder";
3105 avcodec_find_encoder_by_name(name) :
3106 avcodec_find_decoder_by_name(name);
3108 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3111 if (codec->type != type) {
3112 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3118 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3120 char *codec_name = NULL;
3122 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3124 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3125 st->codec->codec_id = codec->id;
3128 return avcodec_find_decoder(st->codec->codec_id);
3132 * Add all the streams from the given input file to the global
3133 * list of input streams.
3135 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3139 for (i = 0; i < ic->nb_streams; i++) {
3140 AVStream *st = ic->streams[i];
3141 AVCodecContext *dec = st->codec;
3144 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3145 ist = &input_streams[nb_input_streams - 1];
3147 ist->file_index = nb_input_files;
3149 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3151 ist->ts_scale = 1.0;
3152 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3154 ist->dec = choose_decoder(o, ic, st);
3156 switch (dec->codec_type) {
3157 case AVMEDIA_TYPE_AUDIO:
3158 if (o->audio_disable)
3159 st->discard = AVDISCARD_ALL;
3161 case AVMEDIA_TYPE_VIDEO:
3163 dec->flags |= CODEC_FLAG_EMU_EDGE;
3164 dec->height >>= dec->lowres;
3165 dec->width >>= dec->lowres;
3168 if (o->video_disable)
3169 st->discard = AVDISCARD_ALL;
3170 else if (video_discard)
3171 st->discard = video_discard;
3173 case AVMEDIA_TYPE_DATA:
3175 case AVMEDIA_TYPE_SUBTITLE:
3176 if (o->subtitle_disable)
3177 st->discard = AVDISCARD_ALL;
3179 case AVMEDIA_TYPE_ATTACHMENT:
3180 case AVMEDIA_TYPE_UNKNOWN:
3188 static void assert_file_overwrite(const char *filename)
3190 if (!file_overwrite &&
3191 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3192 av_strstart(filename, "file:", NULL))) {
3193 if (avio_check(filename, 0) == 0) {
3195 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3197 if (!read_yesno()) {
3198 fprintf(stderr, "Not overwriting - exiting\n");
3203 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3210 static void dump_attachment(AVStream *st, const char *filename)
3213 AVIOContext *out = NULL;
3214 AVDictionaryEntry *e;
3216 if (!st->codec->extradata_size) {
3217 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3218 nb_input_files - 1, st->index);
3221 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3222 filename = e->value;
3224 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3225 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3229 assert_file_overwrite(filename);
3231 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3232 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3237 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3242 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3244 AVFormatContext *ic;
3245 AVInputFormat *file_iformat = NULL;
3249 AVDictionary **opts;
3250 int orig_nb_streams; // number of streams before avformat_find_stream_info
3253 if (!(file_iformat = av_find_input_format(o->format))) {
3254 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3259 if (!strcmp(filename, "-"))
3262 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3263 !strcmp(filename, "/dev/stdin");
3265 /* get default parameters from command line */
3266 ic = avformat_alloc_context();
3268 print_error(filename, AVERROR(ENOMEM));
3271 if (o->nb_audio_sample_rate) {
3272 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3273 av_dict_set(&format_opts, "sample_rate", buf, 0);
3275 if (o->nb_audio_channels) {
3276 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3277 av_dict_set(&format_opts, "channels", buf, 0);
3279 if (o->nb_frame_rates) {
3280 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3282 if (o->nb_frame_sizes) {
3283 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3285 if (o->nb_frame_pix_fmts)
3286 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3288 ic->flags |= AVFMT_FLAG_NONBLOCK;
3289 ic->interrupt_callback = int_cb;
3291 /* open the input file with generic libav function */
3292 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3294 print_error(filename, err);
3297 assert_avoptions(format_opts);
3299 /* apply forced codec ids */
3300 for (i = 0; i < ic->nb_streams; i++)
3301 choose_decoder(o, ic, ic->streams[i]);
3303 /* Set AVCodecContext options for avformat_find_stream_info */
3304 opts = setup_find_stream_info_opts(ic, codec_opts);
3305 orig_nb_streams = ic->nb_streams;
3307 /* If not enough info to get the stream parameters, we decode the
3308 first frames to get it. (used in mpeg case for example) */
3309 ret = avformat_find_stream_info(ic, opts);
3311 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3312 avformat_close_input(&ic);
3316 timestamp = o->start_time;
3317 /* add the stream start time */
3318 if (ic->start_time != AV_NOPTS_VALUE)
3319 timestamp += ic->start_time;
3321 /* if seeking requested, we execute it */
3322 if (o->start_time != 0) {
3323 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3325 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3326 filename, (double)timestamp / AV_TIME_BASE);
3330 /* update the current parameters so that they match the one of the input stream */
3331 add_input_streams(o, ic);
3333 /* dump the file content */
3334 av_dump_format(ic, nb_input_files, filename, 0);
3336 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3337 input_files[nb_input_files - 1].ctx = ic;
3338 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3339 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3340 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3341 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3343 for (i = 0; i < o->nb_dump_attachment; i++) {
3346 for (j = 0; j < ic->nb_streams; j++) {
3347 AVStream *st = ic->streams[j];
3349 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3350 dump_attachment(st, o->dump_attachment[i].u.str);
3354 for (i = 0; i < orig_nb_streams; i++)
3355 av_dict_free(&opts[i]);
3362 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3363 AVCodecContext *avctx)
3369 for (p = kf; *p; p++)
3372 ost->forced_kf_count = n;
3373 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3374 if (!ost->forced_kf_pts) {
3375 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3378 for (i = 0; i < n; i++) {
3379 p = i ? strchr(p, ',') + 1 : kf;
3380 t = parse_time_or_die("force_key_frames", p, 1);
3381 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3385 static uint8_t *get_line(AVIOContext *s)
3391 if (avio_open_dyn_buf(&line) < 0) {
3392 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3396 while ((c = avio_r8(s)) && c != '\n')
3399 avio_close_dyn_buf(line, &buf);
3404 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3407 char filename[1000];
3408 const char *base[3] = { getenv("AVCONV_DATADIR"),
3413 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3417 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3418 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3419 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3422 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3423 i != 1 ? "" : "/.avconv", preset_name);
3424 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3430 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3432 char *codec_name = NULL;
3434 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3436 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3437 NULL, ost->st->codec->codec_type);
3438 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3439 } else if (!strcmp(codec_name, "copy"))
3440 ost->stream_copy = 1;
3442 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3443 ost->st->codec->codec_id = ost->enc->id;
3447 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3450 AVStream *st = avformat_new_stream(oc, NULL);
3451 int idx = oc->nb_streams - 1, ret = 0;
3452 char *bsf = NULL, *next, *codec_tag = NULL;
3453 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3455 char *buf = NULL, *arg = NULL, *preset = NULL;
3456 AVIOContext *s = NULL;
3459 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3463 if (oc->nb_streams - 1 < o->nb_streamid_map)
3464 st->id = o->streamid_map[oc->nb_streams - 1];
3466 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3467 nb_output_streams + 1);
3468 ost = &output_streams[nb_output_streams - 1];
3469 ost->file_index = nb_output_files;
3472 st->codec->codec_type = type;
3473 choose_encoder(o, oc, ost);
3475 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3478 avcodec_get_context_defaults3(st->codec, ost->enc);
3479 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3481 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3482 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3485 if (!buf[0] || buf[0] == '#') {
3489 if (!(arg = strchr(buf, '='))) {
3490 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3494 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3496 } while (!s->eof_reached);
3500 av_log(NULL, AV_LOG_FATAL,
3501 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3502 preset, ost->file_index, ost->index);
3506 ost->max_frames = INT64_MAX;
3507 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3509 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3511 if (next = strchr(bsf, ','))
3513 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3514 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3518 bsfc_prev->next = bsfc;
3520 ost->bitstream_filters = bsfc;
3526 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3528 uint32_t tag = strtol(codec_tag, &next, 0);
3530 tag = AV_RL32(codec_tag);
3531 st->codec->codec_tag = tag;
3534 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3535 if (qscale >= 0 || same_quant) {
3536 st->codec->flags |= CODEC_FLAG_QSCALE;
3537 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3540 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3541 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3543 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3547 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3550 const char *p = str;
3557 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3564 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3568 AVCodecContext *video_enc;
3570 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3572 video_enc = st->codec;
3574 if (!ost->stream_copy) {
3575 const char *p = NULL;
3576 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3577 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3578 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3581 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3582 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3583 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3587 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3588 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3589 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3593 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3594 if (frame_aspect_ratio)
3595 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3597 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3598 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3599 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3602 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3604 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3606 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3607 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3610 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3612 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3614 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3615 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3618 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3621 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3622 for (i = 0; p; i++) {
3624 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3626 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3629 video_enc->rc_override =
3630 av_realloc(video_enc->rc_override,
3631 sizeof(RcOverride) * (i + 1));
3632 video_enc->rc_override[i].start_frame = start;
3633 video_enc->rc_override[i].end_frame = end;
3635 video_enc->rc_override[i].qscale = q;
3636 video_enc->rc_override[i].quality_factor = 1.0;
3639 video_enc->rc_override[i].qscale = 0;
3640 video_enc->rc_override[i].quality_factor = -q/100.0;
3645 video_enc->rc_override_count = i;
3646 if (!video_enc->rc_initial_buffer_occupancy)
3647 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3648 video_enc->intra_dc_precision = intra_dc_precision - 8;
3653 video_enc->flags |= CODEC_FLAG_PASS1;
3655 video_enc->flags |= CODEC_FLAG_PASS2;
3659 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3660 if (forced_key_frames)
3661 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3663 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3665 ost->top_field_first = -1;
3666 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3669 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3671 ost->avfilter = av_strdup(filters);
3674 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3680 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3684 AVCodecContext *audio_enc;
3686 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3689 audio_enc = st->codec;
3690 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3692 if (!ost->stream_copy) {
3693 char *sample_fmt = NULL;
3695 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3697 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3699 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3700 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3704 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3710 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3714 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3715 if (!ost->stream_copy) {
3716 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3723 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3725 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3726 ost->stream_copy = 1;
3730 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3734 AVCodecContext *subtitle_enc;
3736 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3738 subtitle_enc = st->codec;
3740 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3745 /* arg format is "output-stream-index:streamid-value". */
3746 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3752 av_strlcpy(idx_str, arg, sizeof(idx_str));
3753 p = strchr(idx_str, ':');
3755 av_log(NULL, AV_LOG_FATAL,
3756 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3761 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3762 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3763 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3767 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3769 AVFormatContext *is = ifile->ctx;
3770 AVFormatContext *os = ofile->ctx;
3773 for (i = 0; i < is->nb_chapters; i++) {
3774 AVChapter *in_ch = is->chapters[i], *out_ch;
3775 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3776 AV_TIME_BASE_Q, in_ch->time_base);
3777 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3778 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3781 if (in_ch->end < ts_off)
3783 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3786 out_ch = av_mallocz(sizeof(AVChapter));
3788 return AVERROR(ENOMEM);
3790 out_ch->id = in_ch->id;
3791 out_ch->time_base = in_ch->time_base;
3792 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3793 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3796 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3799 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
3801 return AVERROR(ENOMEM);
3802 os->chapters[os->nb_chapters - 1] = out_ch;
3807 static void opt_output_file(void *optctx, const char *filename)
3809 OptionsContext *o = optctx;
3810 AVFormatContext *oc;
3812 AVOutputFormat *file_oformat;
3816 if (!strcmp(filename, "-"))
3819 oc = avformat_alloc_context();
3821 print_error(filename, AVERROR(ENOMEM));
3826 file_oformat = av_guess_format(o->format, NULL, NULL);
3827 if (!file_oformat) {
3828 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
3832 file_oformat = av_guess_format(NULL, filename, NULL);
3833 if (!file_oformat) {
3834 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3840 oc->oformat = file_oformat;
3841 oc->interrupt_callback = int_cb;
3842 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3844 if (!o->nb_stream_maps) {
3845 /* pick the "best" stream of each type */
3846 #define NEW_STREAM(type, index)\
3848 ost = new_ ## type ## _stream(o, oc);\
3849 ost->source_index = index;\
3850 ost->sync_ist = &input_streams[index];\
3851 input_streams[index].discard = 0;\
3854 /* video: highest resolution */
3855 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3856 int area = 0, idx = -1;
3857 for (i = 0; i < nb_input_streams; i++) {
3858 ist = &input_streams[i];
3859 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3860 ist->st->codec->width * ist->st->codec->height > area) {
3861 area = ist->st->codec->width * ist->st->codec->height;
3865 NEW_STREAM(video, idx);
3868 /* audio: most channels */
3869 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3870 int channels = 0, idx = -1;
3871 for (i = 0; i < nb_input_streams; i++) {
3872 ist = &input_streams[i];
3873 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3874 ist->st->codec->channels > channels) {
3875 channels = ist->st->codec->channels;
3879 NEW_STREAM(audio, idx);
3882 /* subtitles: pick first */
3883 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3884 for (i = 0; i < nb_input_streams; i++)
3885 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3886 NEW_STREAM(subtitle, i);
3890 /* do something with data? */
3892 for (i = 0; i < o->nb_stream_maps; i++) {
3893 StreamMap *map = &o->stream_maps[i];
3898 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3899 switch (ist->st->codec->codec_type) {
3900 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3901 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3902 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3903 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3904 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3906 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3907 map->file_index, map->stream_index);
3911 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3912 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3913 map->sync_stream_index];
3918 /* handle attached files */
3919 for (i = 0; i < o->nb_attachments; i++) {
3921 uint8_t *attachment;
3925 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3926 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3930 if ((len = avio_size(pb)) <= 0) {
3931 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3935 if (!(attachment = av_malloc(len))) {
3936 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3940 avio_read(pb, attachment, len);
3942 ost = new_attachment_stream(o, oc);
3943 ost->stream_copy = 0;
3944 ost->source_index = -1;
3945 ost->attachment_filename = o->attachments[i];
3946 ost->st->codec->extradata = attachment;
3947 ost->st->codec->extradata_size = len;
3949 p = strrchr(o->attachments[i], '/');
3950 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3954 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3955 output_files[nb_output_files - 1].ctx = oc;
3956 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3957 output_files[nb_output_files - 1].recording_time = o->recording_time;
3958 output_files[nb_output_files - 1].start_time = o->start_time;
3959 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3960 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3962 /* check filename in case of an image number is expected */
3963 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3964 if (!av_filename_number_test(oc->filename)) {
3965 print_error(oc->filename, AVERROR(EINVAL));
3970 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3971 /* test if it already exists to avoid losing precious files */
3972 assert_file_overwrite(filename);
3975 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
3976 &oc->interrupt_callback,
3977 &output_files[nb_output_files - 1].opts)) < 0) {
3978 print_error(filename, err);
3983 if (o->mux_preload) {
3985 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
3986 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
3988 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3989 oc->flags |= AVFMT_FLAG_NONBLOCK;
3992 for (i = 0; i < o->nb_metadata_map; i++) {
3994 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
3996 if (in_file_index < 0)
3998 if (in_file_index >= nb_input_files) {
3999 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4002 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4006 if (o->chapters_input_file >= nb_input_files) {
4007 if (o->chapters_input_file == INT_MAX) {
4008 /* copy chapters from the first input file that has them*/
4009 o->chapters_input_file = -1;
4010 for (i = 0; i < nb_input_files; i++)
4011 if (input_files[i].ctx->nb_chapters) {
4012 o->chapters_input_file = i;
4016 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4017 o->chapters_input_file);
4021 if (o->chapters_input_file >= 0)
4022 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4023 !o->metadata_chapters_manual);
4025 /* copy global metadata by default */
4026 if (!o->metadata_global_manual && nb_input_files)
4027 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4028 AV_DICT_DONT_OVERWRITE);
4029 if (!o->metadata_streams_manual)
4030 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4032 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4034 ist = &input_streams[output_streams[i].source_index];
4035 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4038 /* process manually set metadata */
4039 for (i = 0; i < o->nb_metadata; i++) {
4042 const char *stream_spec;
4043 int index = 0, j, ret;
4045 val = strchr(o->metadata[i].u.str, '=');
4047 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4048 o->metadata[i].u.str);
4053 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4055 for (j = 0; j < oc->nb_streams; j++) {
4056 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4057 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4061 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4069 if (index < 0 || index >= oc->nb_chapters) {
4070 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4073 m = &oc->chapters[index]->metadata;
4076 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4079 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4086 /* same option as mencoder */
4087 static int opt_pass(const char *opt, const char *arg)
4089 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4093 static int64_t getutime(void)
4096 struct rusage rusage;
4098 getrusage(RUSAGE_SELF, &rusage);
4099 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4100 #elif HAVE_GETPROCESSTIMES
4102 FILETIME c, e, k, u;
4103 proc = GetCurrentProcess();
4104 GetProcessTimes(proc, &c, &e, &k, &u);
4105 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4107 return av_gettime();
4111 static int64_t getmaxrss(void)
4113 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4114 struct rusage rusage;
4115 getrusage(RUSAGE_SELF, &rusage);
4116 return (int64_t)rusage.ru_maxrss * 1024;
4117 #elif HAVE_GETPROCESSMEMORYINFO
4119 PROCESS_MEMORY_COUNTERS memcounters;
4120 proc = GetCurrentProcess();
4121 memcounters.cb = sizeof(memcounters);
4122 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4123 return memcounters.PeakPagefileUsage;
4129 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4131 return parse_option(o, "q:a", arg, options);
4134 static void show_usage(void)
4136 printf("Hyper fast Audio and Video encoder\n");
4137 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4141 static void show_help(void)
4143 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4144 av_log_set_callback(log_callback_help);
4146 show_help_options(options, "Main options:\n",
4147 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4148 show_help_options(options, "\nAdvanced options:\n",
4149 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4151 show_help_options(options, "\nVideo options:\n",
4152 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4154 show_help_options(options, "\nAdvanced Video options:\n",
4155 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4156 OPT_VIDEO | OPT_EXPERT);
4157 show_help_options(options, "\nAudio options:\n",
4158 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4160 show_help_options(options, "\nAdvanced Audio options:\n",
4161 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4162 OPT_AUDIO | OPT_EXPERT);
4163 show_help_options(options, "\nSubtitle options:\n",
4164 OPT_SUBTITLE | OPT_GRAB,
4166 show_help_options(options, "\nAudio/Video grab options:\n",
4170 show_help_children(avcodec_get_class(), flags);
4171 show_help_children(avformat_get_class(), flags);
4172 show_help_children(sws_get_class(), flags);
4175 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4177 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4178 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4180 if (!strncmp(arg, "pal-", 4)) {
4183 } else if (!strncmp(arg, "ntsc-", 5)) {
4186 } else if (!strncmp(arg, "film-", 5)) {
4190 /* Try to determine PAL/NTSC by peeking in the input files */
4191 if (nb_input_files) {
4193 for (j = 0; j < nb_input_files; j++) {
4194 for (i = 0; i < input_files[j].nb_streams; i++) {
4195 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4196 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4198 fr = c->time_base.den * 1000 / c->time_base.num;
4202 } else if ((fr == 29970) || (fr == 23976)) {
4207 if (norm != UNKNOWN)
4211 if (norm != UNKNOWN)
4212 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4215 if (norm == UNKNOWN) {
4216 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4217 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4218 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4222 if (!strcmp(arg, "vcd")) {
4223 opt_video_codec(o, "c:v", "mpeg1video");
4224 opt_audio_codec(o, "c:a", "mp2");
4225 parse_option(o, "f", "vcd", options);
4227 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4228 parse_option(o, "r", frame_rates[norm], options);
4229 opt_default("g", norm == PAL ? "15" : "18");
4231 opt_default("b", "1150000");
4232 opt_default("maxrate", "1150000");
4233 opt_default("minrate", "1150000");
4234 opt_default("bufsize", "327680"); // 40*1024*8;
4236 opt_default("b:a", "224000");
4237 parse_option(o, "ar", "44100", options);
4238 parse_option(o, "ac", "2", options);
4240 opt_default("packetsize", "2324");
4241 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4243 /* We have to offset the PTS, so that it is consistent with the SCR.
4244 SCR starts at 36000, but the first two packs contain only padding
4245 and the first pack from the other stream, respectively, may also have
4246 been written before.
4247 So the real data starts at SCR 36000+3*1200. */
4248 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4249 } else if (!strcmp(arg, "svcd")) {
4251 opt_video_codec(o, "c:v", "mpeg2video");
4252 opt_audio_codec(o, "c:a", "mp2");
4253 parse_option(o, "f", "svcd", options);
4255 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4256 parse_option(o, "r", frame_rates[norm], options);
4257 opt_default("g", norm == PAL ? "15" : "18");
4259 opt_default("b", "2040000");
4260 opt_default("maxrate", "2516000");
4261 opt_default("minrate", "0"); // 1145000;
4262 opt_default("bufsize", "1835008"); // 224*1024*8;
4263 opt_default("flags", "+scan_offset");
4266 opt_default("b:a", "224000");
4267 parse_option(o, "ar", "44100", options);
4269 opt_default("packetsize", "2324");
4271 } else if (!strcmp(arg, "dvd")) {
4273 opt_video_codec(o, "c:v", "mpeg2video");
4274 opt_audio_codec(o, "c:a", "ac3");
4275 parse_option(o, "f", "dvd", options);
4277 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4278 parse_option(o, "r", frame_rates[norm], options);
4279 opt_default("g", norm == PAL ? "15" : "18");
4281 opt_default("b", "6000000");
4282 opt_default("maxrate", "9000000");
4283 opt_default("minrate", "0"); // 1500000;
4284 opt_default("bufsize", "1835008"); // 224*1024*8;
4286 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4287 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4289 opt_default("b:a", "448000");
4290 parse_option(o, "ar", "48000", options);
4292 } else if (!strncmp(arg, "dv", 2)) {
4294 parse_option(o, "f", "dv", options);
4296 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4297 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4298 norm == PAL ? "yuv420p" : "yuv411p", options);
4299 parse_option(o, "r", frame_rates[norm], options);
4301 parse_option(o, "ar", "48000", options);
4302 parse_option(o, "ac", "2", options);
4305 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4306 return AVERROR(EINVAL);
4311 static int opt_vstats_file(const char *opt, const char *arg)
4313 av_free (vstats_filename);
4314 vstats_filename = av_strdup (arg);
4318 static int opt_vstats(const char *opt, const char *arg)
4321 time_t today2 = time(NULL);
4322 struct tm *today = localtime(&today2);
4324 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4326 return opt_vstats_file(opt, filename);
4329 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4331 return parse_option(o, "frames:v", arg, options);
4334 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4336 return parse_option(o, "frames:a", arg, options);
4339 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4341 return parse_option(o, "frames:d", arg, options);
4344 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4346 return parse_option(o, "tag:v", arg, options);
4349 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4351 return parse_option(o, "tag:a", arg, options);
4354 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4356 return parse_option(o, "tag:s", arg, options);
4359 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4361 return parse_option(o, "filter:v", arg, options);
4364 static int opt_vsync(const char *opt, const char *arg)
4366 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4367 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4368 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4370 if (video_sync_method == VSYNC_AUTO)
4371 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4375 static int opt_deinterlace(const char *opt, const char *arg)
4377 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4382 #define OFFSET(x) offsetof(OptionsContext, x)
4383 static const OptionDef options[] = {
4385 #include "cmdutils_common_opts.h"
4386 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4387 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4388 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4389 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4390 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4391 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4392 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4393 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4394 "outfile[,metadata]:infile[,metadata]" },
4395 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4396 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4397 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4398 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4399 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4400 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4401 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4402 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4403 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4404 "add timings for benchmarking" },
4405 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4406 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4407 "dump each input packet" },
4408 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4409 "when dumping packets, also dump the payload" },
4410 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4411 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4412 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4413 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4414 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4415 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4416 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4417 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4418 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4419 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4420 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4421 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4422 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4423 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4424 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4426 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4428 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4429 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4430 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4433 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4434 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4435 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4436 { "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" },
4437 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4438 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4439 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4440 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4441 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4442 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4443 "use same quantizer as source (implies VBR)" },
4444 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4445 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4446 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
4447 "this option is deprecated, use the yadif filter instead" },
4448 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4449 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4451 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4453 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4454 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4455 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4456 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4457 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4458 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4459 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4460 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4461 { "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" },
4464 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4465 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4466 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4467 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4468 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4469 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4470 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4471 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4472 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4474 /* subtitle options */
4475 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4476 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4477 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4480 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4483 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4484 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4486 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4488 /* data codec support */
4489 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4491 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4495 int main(int argc, char **argv)
4497 OptionsContext o = { 0 };
4502 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4503 parse_loglevel(argc, argv, options);
4505 avcodec_register_all();
4507 avdevice_register_all();
4510 avfilter_register_all();
4513 avformat_network_init();
4518 parse_options(&o, argc, argv, options, opt_output_file);
4520 if (nb_output_files <= 0 && nb_input_files == 0) {
4522 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4526 /* file converter / grab */
4527 if (nb_output_files <= 0) {
4528 fprintf(stderr, "At least one output file must be specified\n");
4532 if (nb_input_files == 0) {
4533 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4538 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4540 ti = getutime() - ti;
4542 int maxrss = getmaxrss() / 1024;
4543 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);