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.duration > 0)
995 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
997 write_frame(s, &pkt, ost);
999 audio_size += pkt.size;
1005 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1006 InputStream *ist, AVFrame *decoded_frame)
1009 int64_t audio_buf_size;
1011 int size_out, frame_bytes, resample_changed;
1012 AVCodecContext *enc = ost->st->codec;
1013 AVCodecContext *dec = ist->st->codec;
1014 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1015 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1016 uint8_t *buf = decoded_frame->data[0];
1017 int size = decoded_frame->nb_samples * dec->channels * isize;
1018 int64_t allocated_for_size = size;
1021 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1022 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1023 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1024 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1025 audio_buf_size *= osize * enc->channels;
1027 if (audio_buf_size > INT_MAX) {
1028 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1032 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1034 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1038 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
1039 ost->audio_resample = 1;
1041 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1042 ost->resample_channels != dec->channels ||
1043 ost->resample_sample_rate != dec->sample_rate;
1045 if ((ost->audio_resample && !ost->resample) || resample_changed) {
1046 if (resample_changed) {
1047 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",
1048 ist->file_index, ist->st->index,
1049 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1050 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1051 ost->resample_sample_fmt = dec->sample_fmt;
1052 ost->resample_channels = dec->channels;
1053 ost->resample_sample_rate = dec->sample_rate;
1055 audio_resample_close(ost->resample);
1057 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1058 if (audio_sync_method <= 1 &&
1059 ost->resample_sample_fmt == enc->sample_fmt &&
1060 ost->resample_channels == enc->channels &&
1061 ost->resample_sample_rate == enc->sample_rate) {
1062 ost->resample = NULL;
1063 ost->audio_resample = 0;
1064 } else if (ost->audio_resample) {
1065 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
1066 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
1067 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
1068 enc->sample_rate, dec->sample_rate,
1069 enc->sample_fmt, dec->sample_fmt,
1071 if (!ost->resample) {
1072 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1073 dec->channels, dec->sample_rate,
1074 enc->channels, enc->sample_rate);
1080 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
1081 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
1082 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
1083 if (ost->reformat_ctx)
1084 av_audio_convert_free(ost->reformat_ctx);
1085 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
1086 dec->sample_fmt, 1, NULL, 0);
1087 if (!ost->reformat_ctx) {
1088 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
1089 av_get_sample_fmt_name(dec->sample_fmt),
1090 av_get_sample_fmt_name(enc->sample_fmt));
1093 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
1096 if (audio_sync_method) {
1097 double delta = get_sync_ipts(ost, ist->last_dts) * enc->sample_rate - ost->sync_opts -
1098 av_fifo_size(ost->fifo) / (enc->channels * osize);
1099 int idelta = delta * dec->sample_rate / enc->sample_rate;
1100 int byte_delta = idelta * isize * dec->channels;
1102 // FIXME resample delay
1103 if (fabs(delta) > 50) {
1104 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1105 if (byte_delta < 0) {
1106 byte_delta = FFMAX(byte_delta, -size);
1109 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1110 -byte_delta / (isize * dec->channels));
1115 static uint8_t *input_tmp = NULL;
1116 input_tmp = av_realloc(input_tmp, byte_delta + size);
1118 if (byte_delta > allocated_for_size - size) {
1119 allocated_for_size = byte_delta + (int64_t)size;
1124 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1125 memcpy(input_tmp + byte_delta, buf, size);
1128 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1130 } else if (audio_sync_method > 1) {
1131 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1132 av_assert0(ost->audio_resample);
1133 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1134 delta, comp, enc->sample_rate);
1135 // 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));
1136 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1140 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->last_dts) * enc->sample_rate) -
1141 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1143 if (ost->audio_resample) {
1145 size_out = audio_resample(ost->resample,
1146 (short *)buftmp, (short *)buf,
1147 size / (dec->channels * isize));
1148 size_out = size_out * enc->channels * osize;
1154 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1155 const void *ibuf[6] = { buftmp };
1156 void *obuf[6] = { audio_buf };
1157 int istride[6] = { isize };
1158 int ostride[6] = { osize };
1159 int len = size_out / istride[0];
1160 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
1161 printf("av_audio_convert() failed\n");
1167 size_out = len * osize;
1170 /* now encode as many frames as possible */
1171 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1172 /* output resampled raw samples */
1173 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1174 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1177 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1179 frame_bytes = enc->frame_size * osize * enc->channels;
1181 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1182 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1183 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1186 encode_audio_frame(s, ost, buftmp, size_out);
1190 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1192 AVCodecContext *dec;
1193 AVPicture *picture2;
1194 AVPicture picture_tmp;
1197 dec = ist->st->codec;
1199 /* deinterlace : must be done before any resize */
1200 if (do_deinterlace) {
1203 /* create temporary picture */
1204 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1205 buf = av_malloc(size);
1209 picture2 = &picture_tmp;
1210 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1212 if (avpicture_deinterlace(picture2, picture,
1213 dec->pix_fmt, dec->width, dec->height) < 0) {
1214 /* if error, do not deinterlace */
1215 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1224 if (picture != picture2)
1225 *picture = *picture2;
1229 static void do_subtitle_out(AVFormatContext *s,
1235 static uint8_t *subtitle_out = NULL;
1236 int subtitle_out_max_size = 1024 * 1024;
1237 int subtitle_out_size, nb, i;
1238 AVCodecContext *enc;
1241 if (pts == AV_NOPTS_VALUE) {
1242 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1248 enc = ost->st->codec;
1250 if (!subtitle_out) {
1251 subtitle_out = av_malloc(subtitle_out_max_size);
1254 /* Note: DVB subtitle need one packet to draw them and one other
1255 packet to clear them */
1256 /* XXX: signal it in the codec context ? */
1257 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1262 for (i = 0; i < nb; i++) {
1263 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1264 if (!check_recording_time(ost))
1267 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1268 // start_display_time is required to be 0
1269 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1270 sub->end_display_time -= sub->start_display_time;
1271 sub->start_display_time = 0;
1272 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1273 subtitle_out_max_size, sub);
1274 if (subtitle_out_size < 0) {
1275 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1279 av_init_packet(&pkt);
1280 pkt.data = subtitle_out;
1281 pkt.size = subtitle_out_size;
1282 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1283 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1284 /* XXX: the pts correction is handled here. Maybe handling
1285 it in the codec would be better */
1287 pkt.pts += 90 * sub->start_display_time;
1289 pkt.pts += 90 * sub->end_display_time;
1291 write_frame(s, &pkt, ost);
1295 static int bit_buffer_size = 1024 * 256;
1296 static uint8_t *bit_buffer = NULL;
1298 #if !CONFIG_AVFILTER
1299 static void do_video_resample(OutputStream *ost,
1301 AVFrame *in_picture,
1302 AVFrame **out_picture)
1304 int resample_changed = 0;
1305 *out_picture = in_picture;
1307 resample_changed = ost->resample_width != in_picture->width ||
1308 ost->resample_height != in_picture->height ||
1309 ost->resample_pix_fmt != in_picture->format;
1311 if (resample_changed) {
1312 av_log(NULL, AV_LOG_INFO,
1313 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1314 ist->file_index, ist->st->index,
1315 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1316 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1317 if (!ost->video_resample)
1318 ost->video_resample = 1;
1321 if (ost->video_resample) {
1322 *out_picture = &ost->pict_tmp;
1323 if (resample_changed) {
1324 /* initialize a new scaler context */
1325 sws_freeContext(ost->img_resample_ctx);
1326 ost->img_resample_ctx = sws_getContext(
1327 ist->st->codec->width,
1328 ist->st->codec->height,
1329 ist->st->codec->pix_fmt,
1330 ost->st->codec->width,
1331 ost->st->codec->height,
1332 ost->st->codec->pix_fmt,
1333 ost->sws_flags, NULL, NULL, NULL);
1334 if (ost->img_resample_ctx == NULL) {
1335 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1339 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1340 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1342 if (resample_changed) {
1343 ost->resample_width = in_picture->width;
1344 ost->resample_height = in_picture->height;
1345 ost->resample_pix_fmt = in_picture->format;
1351 static void do_video_out(AVFormatContext *s,
1354 AVFrame *in_picture,
1355 int *frame_size, float quality)
1357 int nb_frames, i, ret, format_video_sync;
1358 AVFrame *final_picture;
1359 AVCodecContext *enc;
1362 enc = ost->st->codec;
1364 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1366 /* by default, we output a single frame */
1371 format_video_sync = video_sync_method;
1372 if (format_video_sync == VSYNC_AUTO)
1373 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1374 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
1376 if (format_video_sync != VSYNC_PASSTHROUGH) {
1377 double vdelta = sync_ipts - ost->sync_opts;
1378 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1381 else if (format_video_sync == VSYNC_VFR) {
1382 if (vdelta <= -0.6) {
1384 } else if (vdelta > 0.6)
1385 ost->sync_opts = lrintf(sync_ipts);
1386 } else if (vdelta > 1.1)
1387 nb_frames = lrintf(vdelta);
1388 if (nb_frames == 0) {
1390 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1391 } else if (nb_frames > 1) {
1392 nb_frames_dup += nb_frames - 1;
1393 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1396 ost->sync_opts = lrintf(sync_ipts);
1398 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1402 #if !CONFIG_AVFILTER
1403 do_video_resample(ost, ist, in_picture, &final_picture);
1405 final_picture = in_picture;
1408 if (!ost->frame_number)
1409 ost->first_pts = ost->sync_opts;
1411 /* duplicates frame if needed */
1412 for (i = 0; i < nb_frames; i++) {
1414 av_init_packet(&pkt);
1416 if (!check_recording_time(ost))
1419 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1420 enc->codec->id == CODEC_ID_RAWVIDEO) {
1421 /* raw pictures are written as AVPicture structure to
1422 avoid any copies. We support temporarily the older
1424 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1425 enc->coded_frame->top_field_first = in_picture->top_field_first;
1426 pkt.data = (uint8_t *)final_picture;
1427 pkt.size = sizeof(AVPicture);
1428 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1429 pkt.flags |= AV_PKT_FLAG_KEY;
1431 write_frame(s, &pkt, ost);
1433 AVFrame big_picture;
1435 big_picture = *final_picture;
1436 /* better than nothing: use input picture interlaced
1438 big_picture.interlaced_frame = in_picture->interlaced_frame;
1439 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1440 if (ost->top_field_first == -1)
1441 big_picture.top_field_first = in_picture->top_field_first;
1443 big_picture.top_field_first = !!ost->top_field_first;
1446 /* handles same_quant here. This is not correct because it may
1447 not be a global option */
1448 big_picture.quality = quality;
1449 if (!enc->me_threshold)
1450 big_picture.pict_type = 0;
1451 big_picture.pts = ost->sync_opts;
1452 if (ost->forced_kf_index < ost->forced_kf_count &&
1453 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1454 big_picture.pict_type = AV_PICTURE_TYPE_I;
1455 ost->forced_kf_index++;
1457 ret = avcodec_encode_video(enc,
1458 bit_buffer, bit_buffer_size,
1461 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1466 pkt.data = bit_buffer;
1468 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1469 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1471 if (enc->coded_frame->key_frame)
1472 pkt.flags |= AV_PKT_FLAG_KEY;
1473 write_frame(s, &pkt, ost);
1477 /* if two pass, output log */
1478 if (ost->logfile && enc->stats_out) {
1479 fprintf(ost->logfile, "%s", enc->stats_out);
1485 * For video, number of frames in == number of packets out.
1486 * But there may be reordering, so we can't throw away frames on encoder
1487 * flush, we need to limit them here, before they go into encoder.
1489 ost->frame_number++;
1493 static double psnr(double d)
1495 return -10.0 * log(d) / log(10.0);
1498 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1501 AVCodecContext *enc;
1503 double ti1, bitrate, avg_bitrate;
1505 /* this is executed just the first time do_video_stats is called */
1507 vstats_file = fopen(vstats_filename, "w");
1514 enc = ost->st->codec;
1515 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1516 frame_number = ost->frame_number;
1517 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1518 if (enc->flags&CODEC_FLAG_PSNR)
1519 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1521 fprintf(vstats_file,"f_size= %6d ", frame_size);
1522 /* compute pts value */
1523 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1527 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1528 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1529 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1530 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1531 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1535 static void print_report(OutputFile *output_files,
1536 OutputStream *ost_table, int nb_ostreams,
1537 int is_last_report, int64_t timer_start)
1541 AVFormatContext *oc;
1543 AVCodecContext *enc;
1544 int frame_number, vid, i;
1545 double bitrate, ti1, pts;
1546 static int64_t last_time = -1;
1547 static int qp_histogram[52];
1549 if (!print_stats && !is_last_report)
1552 if (!is_last_report) {
1554 /* display the report every 0.5 seconds */
1555 cur_time = av_gettime();
1556 if (last_time == -1) {
1557 last_time = cur_time;
1560 if ((cur_time - last_time) < 500000)
1562 last_time = cur_time;
1566 oc = output_files[0].ctx;
1568 total_size = avio_size(oc->pb);
1569 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1570 total_size = avio_tell(oc->pb);
1575 for (i = 0; i < nb_ostreams; i++) {
1577 ost = &ost_table[i];
1578 enc = ost->st->codec;
1579 if (!ost->stream_copy && enc->coded_frame)
1580 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1581 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1582 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1584 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1585 float t = (av_gettime() - timer_start) / 1000000.0;
1587 frame_number = ost->frame_number;
1588 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1589 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1591 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1595 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1597 for (j = 0; j < 32; j++)
1598 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1600 if (enc->flags&CODEC_FLAG_PSNR) {
1602 double error, error_sum = 0;
1603 double scale, scale_sum = 0;
1604 char type[3] = { 'Y','U','V' };
1605 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1606 for (j = 0; j < 3; j++) {
1607 if (is_last_report) {
1608 error = enc->error[j];
1609 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1611 error = enc->coded_frame->error[j];
1612 scale = enc->width * enc->height * 255.0 * 255.0;
1618 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1620 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1624 /* compute min output value */
1625 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1626 if ((pts < ti1) && (pts > 0))
1632 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1634 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1635 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1636 (double)total_size / 1024, ti1, bitrate);
1638 if (nb_frames_dup || nb_frames_drop)
1639 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1640 nb_frames_dup, nb_frames_drop);
1642 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1646 if (is_last_report) {
1647 int64_t raw= audio_size + video_size + extra_size;
1648 av_log(NULL, AV_LOG_INFO, "\n");
1649 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1650 video_size / 1024.0,
1651 audio_size / 1024.0,
1652 extra_size / 1024.0,
1653 100.0 * (total_size - raw) / raw
1658 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1662 for (i = 0; i < nb_ostreams; i++) {
1663 OutputStream *ost = &ost_table[i];
1664 AVCodecContext *enc = ost->st->codec;
1665 AVFormatContext *os = output_files[ost->file_index].ctx;
1666 int stop_encoding = 0;
1668 if (!ost->encoding_needed)
1671 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1673 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1679 av_init_packet(&pkt);
1683 switch (ost->st->codec->codec_type) {
1684 case AVMEDIA_TYPE_AUDIO:
1685 fifo_bytes = av_fifo_size(ost->fifo);
1686 if (fifo_bytes > 0) {
1687 /* encode any samples remaining in fifo */
1688 int frame_bytes = fifo_bytes;
1690 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1692 /* pad last frame with silence if needed */
1693 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1694 frame_bytes = enc->frame_size * enc->channels *
1695 av_get_bytes_per_sample(enc->sample_fmt);
1696 if (allocated_audio_buf_size < frame_bytes)
1698 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1700 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1702 /* flush encoder with NULL frames until it is done
1703 returning packets */
1704 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1710 case AVMEDIA_TYPE_VIDEO:
1711 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1713 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1717 if (enc->coded_frame && enc->coded_frame->key_frame)
1718 pkt.flags |= AV_PKT_FLAG_KEY;
1719 if (ost->logfile && enc->stats_out) {
1720 fprintf(ost->logfile, "%s", enc->stats_out);
1726 pkt.data = bit_buffer;
1728 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1729 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1730 write_frame(os, &pkt, ost);
1742 * Check whether a packet from ist should be written into ost at this time
1744 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1746 OutputFile *of = &output_files[ost->file_index];
1747 int ist_index = ist - input_streams;
1749 if (ost->source_index != ist_index)
1752 if (of->start_time && ist->last_dts < of->start_time)
1758 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1760 OutputFile *of = &output_files[ost->file_index];
1761 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1764 av_init_packet(&opkt);
1766 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1767 !ost->copy_initial_nonkeyframes)
1770 if (of->recording_time != INT64_MAX &&
1771 ist->last_dts >= of->recording_time + of->start_time) {
1772 ost->is_past_recording_time = 1;
1776 /* force the input stream PTS */
1777 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1778 audio_size += pkt->size;
1779 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1780 video_size += pkt->size;
1784 if (pkt->pts != AV_NOPTS_VALUE)
1785 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1787 opkt.pts = AV_NOPTS_VALUE;
1789 if (pkt->dts == AV_NOPTS_VALUE)
1790 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1792 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1793 opkt.dts -= ost_tb_start_time;
1795 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1796 opkt.flags = pkt->flags;
1798 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1799 if ( ost->st->codec->codec_id != CODEC_ID_H264
1800 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1801 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1803 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1804 opkt.destruct = av_destruct_packet;
1806 opkt.data = pkt->data;
1807 opkt.size = pkt->size;
1810 write_frame(of->ctx, &opkt, ost);
1811 ost->st->codec->frame_number++;
1812 av_free_packet(&opkt);
1815 static void rate_emu_sleep(InputStream *ist)
1817 if (input_files[ist->file_index].rate_emu) {
1818 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
1819 int64_t now = av_gettime() - ist->start;
1825 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1827 AVFrame *decoded_frame;
1828 AVCodecContext *avctx = ist->st->codec;
1829 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1832 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1833 return AVERROR(ENOMEM);
1835 avcodec_get_frame_defaults(ist->decoded_frame);
1836 decoded_frame = ist->decoded_frame;
1838 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1844 /* no audio frame */
1848 /* if the decoder provides a pts, use it instead of the last packet pts.
1849 the decoder could be delaying output by a packet or more. */
1850 if (decoded_frame->pts != AV_NOPTS_VALUE)
1851 ist->next_dts = decoded_frame->pts;
1853 /* increment next_dts to use for the case where the input stream does not
1854 have timestamps or there are multiple frames in the packet */
1855 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1858 // preprocess audio (volume)
1859 if (audio_volume != 256) {
1860 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1861 void *samples = decoded_frame->data[0];
1862 switch (avctx->sample_fmt) {
1863 case AV_SAMPLE_FMT_U8:
1865 uint8_t *volp = samples;
1866 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1867 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1868 *volp++ = av_clip_uint8(v);
1872 case AV_SAMPLE_FMT_S16:
1874 int16_t *volp = samples;
1875 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1876 int v = ((*volp) * audio_volume + 128) >> 8;
1877 *volp++ = av_clip_int16(v);
1881 case AV_SAMPLE_FMT_S32:
1883 int32_t *volp = samples;
1884 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1885 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1886 *volp++ = av_clipl_int32(v);
1890 case AV_SAMPLE_FMT_FLT:
1892 float *volp = samples;
1893 float scale = audio_volume / 256.f;
1894 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1899 case AV_SAMPLE_FMT_DBL:
1901 double *volp = samples;
1902 double scale = audio_volume / 256.;
1903 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1909 av_log(NULL, AV_LOG_FATAL,
1910 "Audio volume adjustment on sample format %s is not supported.\n",
1911 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1916 rate_emu_sleep(ist);
1918 for (i = 0; i < nb_output_streams; i++) {
1919 OutputStream *ost = &output_streams[i];
1921 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1923 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1929 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1931 AVFrame *decoded_frame, *filtered_frame = NULL;
1932 void *buffer_to_free = NULL;
1936 int frame_available = 1;
1939 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1940 return AVERROR(ENOMEM);
1942 avcodec_get_frame_defaults(ist->decoded_frame);
1943 decoded_frame = ist->decoded_frame;
1944 pkt->pts = *pkt_pts;
1945 pkt->dts = ist->last_dts;
1946 *pkt_pts = AV_NOPTS_VALUE;
1948 ret = avcodec_decode_video2(ist->st->codec,
1949 decoded_frame, got_output, pkt);
1953 quality = same_quant ? decoded_frame->quality : 0;
1955 /* no picture yet */
1958 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1959 decoded_frame->pkt_dts);
1961 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1963 rate_emu_sleep(ist);
1965 for (i = 0; i < nb_output_streams; i++) {
1966 OutputStream *ost = &output_streams[i];
1967 int frame_size, resample_changed;
1969 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1973 resample_changed = ost->resample_width != decoded_frame->width ||
1974 ost->resample_height != decoded_frame->height ||
1975 ost->resample_pix_fmt != decoded_frame->format;
1976 if (resample_changed) {
1977 av_log(NULL, AV_LOG_INFO,
1978 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1979 ist->file_index, ist->st->index,
1980 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1981 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1983 avfilter_graph_free(&ost->graph);
1984 if (configure_video_filters(ist, ost)) {
1985 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1989 ost->resample_width = decoded_frame->width;
1990 ost->resample_height = decoded_frame->height;
1991 ost->resample_pix_fmt = decoded_frame->format;
1994 if (ist->st->sample_aspect_ratio.num)
1995 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1996 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1997 FrameBuffer *buf = decoded_frame->opaque;
1998 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1999 decoded_frame->data, decoded_frame->linesize,
2000 AV_PERM_READ | AV_PERM_PRESERVE,
2001 ist->st->codec->width, ist->st->codec->height,
2002 ist->st->codec->pix_fmt);
2004 avfilter_copy_frame_props(fb, decoded_frame);
2005 fb->buf->priv = buf;
2006 fb->buf->free = filter_release_buffer;
2009 av_buffersrc_buffer(ost->input_video_filter, fb);
2011 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
2012 decoded_frame->pts, decoded_frame->sample_aspect_ratio);
2014 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2015 av_free(buffer_to_free);
2016 return AVERROR(ENOMEM);
2018 avcodec_get_frame_defaults(ist->filtered_frame);
2019 filtered_frame = ist->filtered_frame;
2021 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2022 while (frame_available) {
2023 AVRational ist_pts_tb;
2024 if (ost->output_video_filter)
2025 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
2027 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2028 if (ost->picref->video && !ost->frame_aspect_ratio)
2029 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2031 filtered_frame = decoded_frame;
2034 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2035 same_quant ? quality : ost->st->codec->global_quality);
2036 if (vstats_filename && frame_size)
2037 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2039 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2041 avfilter_unref_buffer(ost->picref);
2046 av_free(buffer_to_free);
2050 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2052 AVSubtitle subtitle;
2053 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2054 &subtitle, got_output, pkt);
2060 rate_emu_sleep(ist);
2062 for (i = 0; i < nb_output_streams; i++) {
2063 OutputStream *ost = &output_streams[i];
2065 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2068 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2071 avsubtitle_free(&subtitle);
2075 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2076 static int output_packet(InputStream *ist,
2077 OutputStream *ost_table, int nb_ostreams,
2078 const AVPacket *pkt)
2082 int64_t pkt_pts = AV_NOPTS_VALUE;
2085 if (ist->next_dts == AV_NOPTS_VALUE)
2086 ist->next_dts = ist->last_dts;
2090 av_init_packet(&avpkt);
2098 if (pkt->dts != AV_NOPTS_VALUE)
2099 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2100 if (pkt->pts != AV_NOPTS_VALUE)
2101 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2103 // while we have more to decode or while the decoder did output something on EOF
2104 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2108 ist->last_dts = ist->next_dts;
2110 if (avpkt.size && avpkt.size != pkt->size) {
2111 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2112 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2113 ist->showed_multi_packet_warning = 1;
2116 switch (ist->st->codec->codec_type) {
2117 case AVMEDIA_TYPE_AUDIO:
2118 ret = transcode_audio (ist, &avpkt, &got_output);
2120 case AVMEDIA_TYPE_VIDEO:
2121 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2123 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2124 else if (ist->st->r_frame_rate.num)
2125 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2126 ist->st->r_frame_rate.num},
2128 else if (ist->st->codec->time_base.num != 0) {
2129 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2130 ist->st->codec->ticks_per_frame;
2131 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2134 case AVMEDIA_TYPE_SUBTITLE:
2135 ret = transcode_subtitles(ist, &avpkt, &got_output);
2143 // touch data and size only if not EOF
2153 /* handle stream copy */
2154 if (!ist->decoding_needed) {
2155 rate_emu_sleep(ist);
2156 ist->last_dts = ist->next_dts;
2157 switch (ist->st->codec->codec_type) {
2158 case AVMEDIA_TYPE_AUDIO:
2159 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2160 ist->st->codec->sample_rate;
2162 case AVMEDIA_TYPE_VIDEO:
2163 if (ist->st->codec->time_base.num != 0) {
2164 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2165 ist->next_dts += ((int64_t)AV_TIME_BASE *
2166 ist->st->codec->time_base.num * ticks) /
2167 ist->st->codec->time_base.den;
2172 for (i = 0; pkt && i < nb_ostreams; i++) {
2173 OutputStream *ost = &ost_table[i];
2175 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2178 do_streamcopy(ist, ost, pkt);
2184 static void print_sdp(OutputFile *output_files, int n)
2188 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2192 for (i = 0; i < n; i++)
2193 avc[i] = output_files[i].ctx;
2195 av_sdp_create(avc, n, sdp, sizeof(sdp));
2196 printf("SDP:\n%s\n", sdp);
2201 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2202 char *error, int error_len)
2205 InputStream *ist = &input_streams[ist_index];
2206 if (ist->decoding_needed) {
2207 AVCodec *codec = ist->dec;
2209 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2210 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2211 return AVERROR(EINVAL);
2214 /* update requested sample format for the decoder based on the
2215 corresponding encoder sample format */
2216 for (i = 0; i < nb_output_streams; i++) {
2217 OutputStream *ost = &output_streams[i];
2218 if (ost->source_index == ist_index) {
2219 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2224 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2225 ist->st->codec->get_buffer = codec_get_buffer;
2226 ist->st->codec->release_buffer = codec_release_buffer;
2227 ist->st->codec->opaque = ist;
2230 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2231 av_dict_set(&ist->opts, "threads", "auto", 0);
2232 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2233 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2234 ist->file_index, ist->st->index);
2235 return AVERROR(EINVAL);
2237 assert_codec_experimental(ist->st->codec, 0);
2238 assert_avoptions(ist->opts);
2241 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;
2242 ist->next_dts = AV_NOPTS_VALUE;
2243 init_pts_correction(&ist->pts_ctx);
2249 static int transcode_init(OutputFile *output_files,
2250 int nb_output_files,
2251 InputFile *input_files,
2254 int ret = 0, i, j, k;
2255 AVFormatContext *oc;
2256 AVCodecContext *codec, *icodec;
2262 /* init framerate emulation */
2263 for (i = 0; i < nb_input_files; i++) {
2264 InputFile *ifile = &input_files[i];
2265 if (ifile->rate_emu)
2266 for (j = 0; j < ifile->nb_streams; j++)
2267 input_streams[j + ifile->ist_index].start = av_gettime();
2270 /* output stream init */
2271 for (i = 0; i < nb_output_files; i++) {
2272 oc = output_files[i].ctx;
2273 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2274 av_dump_format(oc, i, oc->filename, 1);
2275 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2276 return AVERROR(EINVAL);
2280 /* for each output stream, we compute the right encoding parameters */
2281 for (i = 0; i < nb_output_streams; i++) {
2282 ost = &output_streams[i];
2283 oc = output_files[ost->file_index].ctx;
2284 ist = &input_streams[ost->source_index];
2286 if (ost->attachment_filename)
2289 codec = ost->st->codec;
2290 icodec = ist->st->codec;
2292 ost->st->disposition = ist->st->disposition;
2293 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2294 codec->chroma_sample_location = icodec->chroma_sample_location;
2296 if (ost->stream_copy) {
2297 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2299 if (extra_size > INT_MAX) {
2300 return AVERROR(EINVAL);
2303 /* if stream_copy is selected, no need to decode or encode */
2304 codec->codec_id = icodec->codec_id;
2305 codec->codec_type = icodec->codec_type;
2307 if (!codec->codec_tag) {
2308 if (!oc->oformat->codec_tag ||
2309 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2310 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2311 codec->codec_tag = icodec->codec_tag;
2314 codec->bit_rate = icodec->bit_rate;
2315 codec->rc_max_rate = icodec->rc_max_rate;
2316 codec->rc_buffer_size = icodec->rc_buffer_size;
2317 codec->field_order = icodec->field_order;
2318 codec->extradata = av_mallocz(extra_size);
2319 if (!codec->extradata) {
2320 return AVERROR(ENOMEM);
2322 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2323 codec->extradata_size = icodec->extradata_size;
2325 codec->time_base = icodec->time_base;
2326 codec->time_base.num *= icodec->ticks_per_frame;
2327 av_reduce(&codec->time_base.num, &codec->time_base.den,
2328 codec->time_base.num, codec->time_base.den, INT_MAX);
2330 codec->time_base = ist->st->time_base;
2332 switch (codec->codec_type) {
2333 case AVMEDIA_TYPE_AUDIO:
2334 if (audio_volume != 256) {
2335 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2338 codec->channel_layout = icodec->channel_layout;
2339 codec->sample_rate = icodec->sample_rate;
2340 codec->channels = icodec->channels;
2341 codec->frame_size = icodec->frame_size;
2342 codec->audio_service_type = icodec->audio_service_type;
2343 codec->block_align = icodec->block_align;
2345 case AVMEDIA_TYPE_VIDEO:
2346 codec->pix_fmt = icodec->pix_fmt;
2347 codec->width = icodec->width;
2348 codec->height = icodec->height;
2349 codec->has_b_frames = icodec->has_b_frames;
2350 if (!codec->sample_aspect_ratio.num) {
2351 codec->sample_aspect_ratio =
2352 ost->st->sample_aspect_ratio =
2353 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2354 ist->st->codec->sample_aspect_ratio.num ?
2355 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2358 case AVMEDIA_TYPE_SUBTITLE:
2359 codec->width = icodec->width;
2360 codec->height = icodec->height;
2362 case AVMEDIA_TYPE_DATA:
2363 case AVMEDIA_TYPE_ATTACHMENT:
2370 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2372 ist->decoding_needed = 1;
2373 ost->encoding_needed = 1;
2375 switch (codec->codec_type) {
2376 case AVMEDIA_TYPE_AUDIO:
2377 ost->fifo = av_fifo_alloc(1024);
2379 return AVERROR(ENOMEM);
2381 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2383 if (!codec->sample_rate)
2384 codec->sample_rate = icodec->sample_rate;
2385 choose_sample_rate(ost->st, ost->enc);
2386 codec->time_base = (AVRational){ 1, codec->sample_rate };
2388 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2389 codec->sample_fmt = icodec->sample_fmt;
2390 choose_sample_fmt(ost->st, ost->enc);
2392 if (!codec->channels)
2393 codec->channels = icodec->channels;
2394 codec->channel_layout = icodec->channel_layout;
2395 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2396 codec->channel_layout = 0;
2398 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2399 icodec->request_channels = codec-> channels;
2400 ost->resample_sample_fmt = icodec->sample_fmt;
2401 ost->resample_sample_rate = icodec->sample_rate;
2402 ost->resample_channels = icodec->channels;
2404 case AVMEDIA_TYPE_VIDEO:
2405 if (codec->pix_fmt == PIX_FMT_NONE)
2406 codec->pix_fmt = icodec->pix_fmt;
2407 choose_pixel_fmt(ost->st, ost->enc);
2409 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2410 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2414 if (!codec->width || !codec->height) {
2415 codec->width = icodec->width;
2416 codec->height = icodec->height;
2419 ost->video_resample = codec->width != icodec->width ||
2420 codec->height != icodec->height ||
2421 codec->pix_fmt != icodec->pix_fmt;
2422 if (ost->video_resample) {
2423 #if !CONFIG_AVFILTER
2424 avcodec_get_frame_defaults(&ost->pict_tmp);
2425 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2426 codec->width, codec->height)) {
2427 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2430 ost->img_resample_ctx = sws_getContext(
2437 ost->sws_flags, NULL, NULL, NULL);
2438 if (ost->img_resample_ctx == NULL) {
2439 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2443 codec->bits_per_raw_sample = 0;
2446 ost->resample_height = icodec->height;
2447 ost->resample_width = icodec->width;
2448 ost->resample_pix_fmt = icodec->pix_fmt;
2450 if (!ost->frame_rate.num)
2451 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2452 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2453 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2454 ost->frame_rate = ost->enc->supported_framerates[idx];
2456 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2459 if (configure_video_filters(ist, ost)) {
2460 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2465 case AVMEDIA_TYPE_SUBTITLE:
2466 codec->time_base = (AVRational){1, 1000};
2473 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2474 char logfilename[1024];
2477 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2478 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2480 if (codec->flags & CODEC_FLAG_PASS1) {
2481 f = fopen(logfilename, "wb");
2483 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2484 logfilename, strerror(errno));
2490 size_t logbuffer_size;
2491 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2492 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2496 codec->stats_in = logbuffer;
2500 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2501 int size = codec->width * codec->height;
2502 bit_buffer_size = FFMAX(bit_buffer_size, 6 * size + 200);
2507 bit_buffer = av_malloc(bit_buffer_size);
2509 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2511 return AVERROR(ENOMEM);
2514 /* open each encoder */
2515 for (i = 0; i < nb_output_streams; i++) {
2516 ost = &output_streams[i];
2517 if (ost->encoding_needed) {
2518 AVCodec *codec = ost->enc;
2519 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2521 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2522 ost->st->codec->codec_id, ost->file_index, ost->index);
2523 ret = AVERROR(EINVAL);
2526 if (dec->subtitle_header) {
2527 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2528 if (!ost->st->codec->subtitle_header) {
2529 ret = AVERROR(ENOMEM);
2532 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2533 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2535 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2536 av_dict_set(&ost->opts, "threads", "auto", 0);
2537 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2538 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2539 ost->file_index, ost->index);
2540 ret = AVERROR(EINVAL);
2543 assert_codec_experimental(ost->st->codec, 1);
2544 assert_avoptions(ost->opts);
2545 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2546 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2547 "It takes bits/s as argument, not kbits/s\n");
2548 extra_size += ost->st->codec->extradata_size;
2550 if (ost->st->codec->me_threshold)
2551 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2555 /* init input streams */
2556 for (i = 0; i < nb_input_streams; i++)
2557 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2560 /* discard unused programs */
2561 for (i = 0; i < nb_input_files; i++) {
2562 InputFile *ifile = &input_files[i];
2563 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2564 AVProgram *p = ifile->ctx->programs[j];
2565 int discard = AVDISCARD_ALL;
2567 for (k = 0; k < p->nb_stream_indexes; k++)
2568 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2569 discard = AVDISCARD_DEFAULT;
2572 p->discard = discard;
2576 /* open files and write file headers */
2577 for (i = 0; i < nb_output_files; i++) {
2578 oc = output_files[i].ctx;
2579 oc->interrupt_callback = int_cb;
2580 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2581 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2582 ret = AVERROR(EINVAL);
2585 assert_avoptions(output_files[i].opts);
2586 if (strcmp(oc->oformat->name, "rtp")) {
2592 /* dump the file output parameters - cannot be done before in case
2594 for (i = 0; i < nb_output_files; i++) {
2595 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2598 /* dump the stream mapping */
2599 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2600 for (i = 0; i < nb_output_streams; i++) {
2601 ost = &output_streams[i];
2603 if (ost->attachment_filename) {
2604 /* an attached file */
2605 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2606 ost->attachment_filename, ost->file_index, ost->index);
2609 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2610 input_streams[ost->source_index].file_index,
2611 input_streams[ost->source_index].st->index,
2614 if (ost->sync_ist != &input_streams[ost->source_index])
2615 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2616 ost->sync_ist->file_index,
2617 ost->sync_ist->st->index);
2618 if (ost->stream_copy)
2619 av_log(NULL, AV_LOG_INFO, " (copy)");
2621 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2622 input_streams[ost->source_index].dec->name : "?",
2623 ost->enc ? ost->enc->name : "?");
2624 av_log(NULL, AV_LOG_INFO, "\n");
2628 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2633 print_sdp(output_files, nb_output_files);
2640 * The following code is the main loop of the file converter
2642 static int transcode(OutputFile *output_files,
2643 int nb_output_files,
2644 InputFile *input_files,
2648 AVFormatContext *is, *os;
2652 int no_packet_count = 0;
2653 int64_t timer_start;
2655 if (!(no_packet = av_mallocz(nb_input_files)))
2658 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2662 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2665 timer_start = av_gettime();
2667 for (; received_sigterm == 0;) {
2668 int file_index, ist_index;
2673 ipts_min = INT64_MAX;
2676 /* select the stream that we must read now by looking at the
2677 smallest output pts */
2679 for (i = 0; i < nb_output_streams; i++) {
2683 ost = &output_streams[i];
2684 of = &output_files[ost->file_index];
2685 os = output_files[ost->file_index].ctx;
2686 ist = &input_streams[ost->source_index];
2687 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2688 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2690 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2691 ipts = ist->last_dts;
2692 if (!input_files[ist->file_index].eof_reached) {
2693 if (ipts < ipts_min) {
2696 file_index = ist->file_index;
2698 if (opts < opts_min) {
2700 if (!input_sync) file_index = ist->file_index;
2703 if (ost->frame_number >= ost->max_frames) {
2705 for (j = 0; j < of->ctx->nb_streams; j++)
2706 output_streams[of->ost_index + j].is_past_recording_time = 1;
2710 /* if none, if is finished */
2711 if (file_index < 0) {
2712 if (no_packet_count) {
2713 no_packet_count = 0;
2714 memset(no_packet, 0, nb_input_files);
2721 /* read a frame from it and output it in the fifo */
2722 is = input_files[file_index].ctx;
2723 ret = av_read_frame(is, &pkt);
2724 if (ret == AVERROR(EAGAIN)) {
2725 no_packet[file_index] = 1;
2730 input_files[file_index].eof_reached = 1;
2737 no_packet_count = 0;
2738 memset(no_packet, 0, nb_input_files);
2741 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2742 is->streams[pkt.stream_index]);
2744 /* the following test is needed in case new streams appear
2745 dynamically in stream : we ignore them */
2746 if (pkt.stream_index >= input_files[file_index].nb_streams)
2747 goto discard_packet;
2748 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2749 ist = &input_streams[ist_index];
2751 goto discard_packet;
2753 if (pkt.dts != AV_NOPTS_VALUE)
2754 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2755 if (pkt.pts != AV_NOPTS_VALUE)
2756 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2758 if (pkt.pts != AV_NOPTS_VALUE)
2759 pkt.pts *= ist->ts_scale;
2760 if (pkt.dts != AV_NOPTS_VALUE)
2761 pkt.dts *= ist->ts_scale;
2763 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2765 // pkt.dts, input_files[ist->file_index].ts_offset,
2766 // ist->st->codec->codec_type);
2767 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
2768 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2769 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2770 int64_t delta = pkt_dts - ist->next_dts;
2771 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2772 input_files[ist->file_index].ts_offset -= delta;
2773 av_log(NULL, AV_LOG_DEBUG,
2774 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2775 delta, input_files[ist->file_index].ts_offset);
2776 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2777 if (pkt.pts != AV_NOPTS_VALUE)
2778 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2782 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2783 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2785 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2786 ist->file_index, ist->st->index);
2789 av_free_packet(&pkt);
2794 av_free_packet(&pkt);
2796 /* dump report by using the output first video and audio streams */
2797 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2800 /* at the end of stream, we must flush the decoder buffers */
2801 for (i = 0; i < nb_input_streams; i++) {
2802 ist = &input_streams[i];
2803 if (ist->decoding_needed) {
2804 output_packet(ist, output_streams, nb_output_streams, NULL);
2807 flush_encoders(output_streams, nb_output_streams);
2811 /* write the trailer if needed and close file */
2812 for (i = 0; i < nb_output_files; i++) {
2813 os = output_files[i].ctx;
2814 av_write_trailer(os);
2817 /* dump report by using the first video and audio streams */
2818 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2820 /* close each encoder */
2821 for (i = 0; i < nb_output_streams; i++) {
2822 ost = &output_streams[i];
2823 if (ost->encoding_needed) {
2824 av_freep(&ost->st->codec->stats_in);
2825 avcodec_close(ost->st->codec);
2828 avfilter_graph_free(&ost->graph);
2832 /* close each decoder */
2833 for (i = 0; i < nb_input_streams; i++) {
2834 ist = &input_streams[i];
2835 if (ist->decoding_needed) {
2836 avcodec_close(ist->st->codec);
2844 av_freep(&bit_buffer);
2845 av_freep(&no_packet);
2847 if (output_streams) {
2848 for (i = 0; i < nb_output_streams; i++) {
2849 ost = &output_streams[i];
2851 if (ost->stream_copy)
2852 av_freep(&ost->st->codec->extradata);
2854 fclose(ost->logfile);
2855 ost->logfile = NULL;
2857 av_fifo_free(ost->fifo); /* works even if fifo is not
2858 initialized but set to zero */
2859 av_freep(&ost->st->codec->subtitle_header);
2860 av_free(ost->pict_tmp.data[0]);
2861 av_free(ost->forced_kf_pts);
2862 if (ost->video_resample)
2863 sws_freeContext(ost->img_resample_ctx);
2865 audio_resample_close(ost->resample);
2866 if (ost->reformat_ctx)
2867 av_audio_convert_free(ost->reformat_ctx);
2868 av_dict_free(&ost->opts);
2875 static double parse_frame_aspect_ratio(const char *arg)
2882 p = strchr(arg, ':');
2884 x = strtol(arg, &end, 10);
2886 y = strtol(end + 1, &end, 10);
2888 ar = (double)x / (double)y;
2890 ar = strtod(arg, NULL);
2893 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2899 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2901 return parse_option(o, "codec:a", arg, options);
2904 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2906 return parse_option(o, "codec:v", arg, options);
2909 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2911 return parse_option(o, "codec:s", arg, options);
2914 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2916 return parse_option(o, "codec:d", arg, options);
2919 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2921 StreamMap *m = NULL;
2922 int i, negative = 0, file_idx;
2923 int sync_file_idx = -1, sync_stream_idx;
2931 map = av_strdup(arg);
2933 /* parse sync stream first, just pick first matching stream */
2934 if (sync = strchr(map, ',')) {
2936 sync_file_idx = strtol(sync + 1, &sync, 0);
2937 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2938 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2943 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2944 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2945 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2946 sync_stream_idx = i;
2949 if (i == input_files[sync_file_idx].nb_streams) {
2950 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2951 "match any streams.\n", arg);
2957 file_idx = strtol(map, &p, 0);
2958 if (file_idx >= nb_input_files || file_idx < 0) {
2959 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2963 /* disable some already defined maps */
2964 for (i = 0; i < o->nb_stream_maps; i++) {
2965 m = &o->stream_maps[i];
2966 if (file_idx == m->file_index &&
2967 check_stream_specifier(input_files[m->file_index].ctx,
2968 input_files[m->file_index].ctx->streams[m->stream_index],
2969 *p == ':' ? p + 1 : p) > 0)
2973 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2974 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2975 *p == ':' ? p + 1 : p) <= 0)
2977 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2978 &o->nb_stream_maps, o->nb_stream_maps + 1);
2979 m = &o->stream_maps[o->nb_stream_maps - 1];
2981 m->file_index = file_idx;
2982 m->stream_index = i;
2984 if (sync_file_idx >= 0) {
2985 m->sync_file_index = sync_file_idx;
2986 m->sync_stream_index = sync_stream_idx;
2988 m->sync_file_index = file_idx;
2989 m->sync_stream_index = i;
2994 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3002 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3004 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3005 &o->nb_attachments, o->nb_attachments + 1);
3006 o->attachments[o->nb_attachments - 1] = arg;
3011 * Parse a metadata specifier in arg.
3012 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3013 * @param index for type c/p, chapter/program index is written here
3014 * @param stream_spec for type s, the stream specifier is written here
3016 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3024 if (*(++arg) && *arg != ':') {
3025 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3028 *stream_spec = *arg == ':' ? arg + 1 : "";
3032 if (*(++arg) == ':')
3033 *index = strtol(++arg, NULL, 0);
3036 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3043 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3045 AVDictionary **meta_in = NULL;
3046 AVDictionary **meta_out;
3048 char type_in, type_out;
3049 const char *istream_spec = NULL, *ostream_spec = NULL;
3050 int idx_in = 0, idx_out = 0;
3052 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3053 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3055 if (type_in == 'g' || type_out == 'g')
3056 o->metadata_global_manual = 1;
3057 if (type_in == 's' || type_out == 's')
3058 o->metadata_streams_manual = 1;
3059 if (type_in == 'c' || type_out == 'c')
3060 o->metadata_chapters_manual = 1;
3062 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3063 if ((index) < 0 || (index) >= (nb_elems)) {\
3064 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3069 #define SET_DICT(type, meta, context, index)\
3072 meta = &context->metadata;\
3075 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3076 meta = &context->chapters[index]->metadata;\
3079 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3080 meta = &context->programs[index]->metadata;\
3084 SET_DICT(type_in, meta_in, ic, idx_in);
3085 SET_DICT(type_out, meta_out, oc, idx_out);
3087 /* for input streams choose first matching stream */
3088 if (type_in == 's') {
3089 for (i = 0; i < ic->nb_streams; i++) {
3090 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3091 meta_in = &ic->streams[i]->metadata;
3097 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3102 if (type_out == 's') {
3103 for (i = 0; i < oc->nb_streams; i++) {
3104 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3105 meta_out = &oc->streams[i]->metadata;
3106 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3111 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3116 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3118 const char *codec_string = encoder ? "encoder" : "decoder";
3122 avcodec_find_encoder_by_name(name) :
3123 avcodec_find_decoder_by_name(name);
3125 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3128 if (codec->type != type) {
3129 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3135 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3137 char *codec_name = NULL;
3139 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3141 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3142 st->codec->codec_id = codec->id;
3145 return avcodec_find_decoder(st->codec->codec_id);
3149 * Add all the streams from the given input file to the global
3150 * list of input streams.
3152 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3156 for (i = 0; i < ic->nb_streams; i++) {
3157 AVStream *st = ic->streams[i];
3158 AVCodecContext *dec = st->codec;
3161 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3162 ist = &input_streams[nb_input_streams - 1];
3164 ist->file_index = nb_input_files;
3166 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3168 ist->ts_scale = 1.0;
3169 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3171 ist->dec = choose_decoder(o, ic, st);
3173 switch (dec->codec_type) {
3174 case AVMEDIA_TYPE_AUDIO:
3175 if (o->audio_disable)
3176 st->discard = AVDISCARD_ALL;
3178 case AVMEDIA_TYPE_VIDEO:
3180 dec->flags |= CODEC_FLAG_EMU_EDGE;
3181 dec->height >>= dec->lowres;
3182 dec->width >>= dec->lowres;
3185 if (o->video_disable)
3186 st->discard = AVDISCARD_ALL;
3187 else if (video_discard)
3188 st->discard = video_discard;
3190 case AVMEDIA_TYPE_DATA:
3192 case AVMEDIA_TYPE_SUBTITLE:
3193 if (o->subtitle_disable)
3194 st->discard = AVDISCARD_ALL;
3196 case AVMEDIA_TYPE_ATTACHMENT:
3197 case AVMEDIA_TYPE_UNKNOWN:
3205 static void assert_file_overwrite(const char *filename)
3207 if (!file_overwrite &&
3208 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3209 av_strstart(filename, "file:", NULL))) {
3210 if (avio_check(filename, 0) == 0) {
3212 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3214 if (!read_yesno()) {
3215 fprintf(stderr, "Not overwriting - exiting\n");
3220 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3227 static void dump_attachment(AVStream *st, const char *filename)
3230 AVIOContext *out = NULL;
3231 AVDictionaryEntry *e;
3233 if (!st->codec->extradata_size) {
3234 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3235 nb_input_files - 1, st->index);
3238 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3239 filename = e->value;
3241 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3242 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3246 assert_file_overwrite(filename);
3248 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3249 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3254 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3259 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3261 AVFormatContext *ic;
3262 AVInputFormat *file_iformat = NULL;
3266 AVDictionary **opts;
3267 int orig_nb_streams; // number of streams before avformat_find_stream_info
3270 if (!(file_iformat = av_find_input_format(o->format))) {
3271 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3276 if (!strcmp(filename, "-"))
3279 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3280 !strcmp(filename, "/dev/stdin");
3282 /* get default parameters from command line */
3283 ic = avformat_alloc_context();
3285 print_error(filename, AVERROR(ENOMEM));
3288 if (o->nb_audio_sample_rate) {
3289 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3290 av_dict_set(&format_opts, "sample_rate", buf, 0);
3292 if (o->nb_audio_channels) {
3293 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3294 av_dict_set(&format_opts, "channels", buf, 0);
3296 if (o->nb_frame_rates) {
3297 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3299 if (o->nb_frame_sizes) {
3300 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3302 if (o->nb_frame_pix_fmts)
3303 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3305 ic->flags |= AVFMT_FLAG_NONBLOCK;
3306 ic->interrupt_callback = int_cb;
3308 /* open the input file with generic libav function */
3309 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3311 print_error(filename, err);
3314 assert_avoptions(format_opts);
3316 /* apply forced codec ids */
3317 for (i = 0; i < ic->nb_streams; i++)
3318 choose_decoder(o, ic, ic->streams[i]);
3320 /* Set AVCodecContext options for avformat_find_stream_info */
3321 opts = setup_find_stream_info_opts(ic, codec_opts);
3322 orig_nb_streams = ic->nb_streams;
3324 /* If not enough info to get the stream parameters, we decode the
3325 first frames to get it. (used in mpeg case for example) */
3326 ret = avformat_find_stream_info(ic, opts);
3328 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3329 avformat_close_input(&ic);
3333 timestamp = o->start_time;
3334 /* add the stream start time */
3335 if (ic->start_time != AV_NOPTS_VALUE)
3336 timestamp += ic->start_time;
3338 /* if seeking requested, we execute it */
3339 if (o->start_time != 0) {
3340 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3342 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3343 filename, (double)timestamp / AV_TIME_BASE);
3347 /* update the current parameters so that they match the one of the input stream */
3348 add_input_streams(o, ic);
3350 /* dump the file content */
3351 av_dump_format(ic, nb_input_files, filename, 0);
3353 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3354 input_files[nb_input_files - 1].ctx = ic;
3355 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3356 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3357 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3358 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3360 for (i = 0; i < o->nb_dump_attachment; i++) {
3363 for (j = 0; j < ic->nb_streams; j++) {
3364 AVStream *st = ic->streams[j];
3366 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3367 dump_attachment(st, o->dump_attachment[i].u.str);
3371 for (i = 0; i < orig_nb_streams; i++)
3372 av_dict_free(&opts[i]);
3379 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3380 AVCodecContext *avctx)
3386 for (p = kf; *p; p++)
3389 ost->forced_kf_count = n;
3390 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3391 if (!ost->forced_kf_pts) {
3392 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3395 for (i = 0; i < n; i++) {
3396 p = i ? strchr(p, ',') + 1 : kf;
3397 t = parse_time_or_die("force_key_frames", p, 1);
3398 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3402 static uint8_t *get_line(AVIOContext *s)
3408 if (avio_open_dyn_buf(&line) < 0) {
3409 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3413 while ((c = avio_r8(s)) && c != '\n')
3416 avio_close_dyn_buf(line, &buf);
3421 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3424 char filename[1000];
3425 const char *base[3] = { getenv("AVCONV_DATADIR"),
3430 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3434 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3435 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3436 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3439 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3440 i != 1 ? "" : "/.avconv", preset_name);
3441 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3447 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3449 char *codec_name = NULL;
3451 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3453 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3454 NULL, ost->st->codec->codec_type);
3455 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3456 } else if (!strcmp(codec_name, "copy"))
3457 ost->stream_copy = 1;
3459 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3460 ost->st->codec->codec_id = ost->enc->id;
3464 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3467 AVStream *st = avformat_new_stream(oc, NULL);
3468 int idx = oc->nb_streams - 1, ret = 0;
3469 char *bsf = NULL, *next, *codec_tag = NULL;
3470 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3472 char *buf = NULL, *arg = NULL, *preset = NULL;
3473 AVIOContext *s = NULL;
3476 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3480 if (oc->nb_streams - 1 < o->nb_streamid_map)
3481 st->id = o->streamid_map[oc->nb_streams - 1];
3483 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3484 nb_output_streams + 1);
3485 ost = &output_streams[nb_output_streams - 1];
3486 ost->file_index = nb_output_files;
3489 st->codec->codec_type = type;
3490 choose_encoder(o, oc, ost);
3492 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3495 avcodec_get_context_defaults3(st->codec, ost->enc);
3496 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3498 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3499 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3502 if (!buf[0] || buf[0] == '#') {
3506 if (!(arg = strchr(buf, '='))) {
3507 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3511 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3513 } while (!s->eof_reached);
3517 av_log(NULL, AV_LOG_FATAL,
3518 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3519 preset, ost->file_index, ost->index);
3523 ost->max_frames = INT64_MAX;
3524 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3526 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3528 if (next = strchr(bsf, ','))
3530 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3531 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3535 bsfc_prev->next = bsfc;
3537 ost->bitstream_filters = bsfc;
3543 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3545 uint32_t tag = strtol(codec_tag, &next, 0);
3547 tag = AV_RL32(codec_tag);
3548 st->codec->codec_tag = tag;
3551 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3552 if (qscale >= 0 || same_quant) {
3553 st->codec->flags |= CODEC_FLAG_QSCALE;
3554 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3557 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3558 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3560 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3564 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3567 const char *p = str;
3574 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3581 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3585 AVCodecContext *video_enc;
3587 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3589 video_enc = st->codec;
3591 if (!ost->stream_copy) {
3592 const char *p = NULL;
3593 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3594 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3595 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3598 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3599 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3600 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3604 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3605 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3606 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3610 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3611 if (frame_aspect_ratio)
3612 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3614 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3615 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3616 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3619 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3621 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3623 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3624 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3627 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3629 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3631 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3632 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3635 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3638 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3639 for (i = 0; p; i++) {
3641 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3643 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3646 video_enc->rc_override =
3647 av_realloc(video_enc->rc_override,
3648 sizeof(RcOverride) * (i + 1));
3649 video_enc->rc_override[i].start_frame = start;
3650 video_enc->rc_override[i].end_frame = end;
3652 video_enc->rc_override[i].qscale = q;
3653 video_enc->rc_override[i].quality_factor = 1.0;
3656 video_enc->rc_override[i].qscale = 0;
3657 video_enc->rc_override[i].quality_factor = -q/100.0;
3662 video_enc->rc_override_count = i;
3663 if (!video_enc->rc_initial_buffer_occupancy)
3664 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3665 video_enc->intra_dc_precision = intra_dc_precision - 8;
3670 video_enc->flags |= CODEC_FLAG_PASS1;
3672 video_enc->flags |= CODEC_FLAG_PASS2;
3676 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3677 if (forced_key_frames)
3678 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3680 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3682 ost->top_field_first = -1;
3683 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3686 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3688 ost->avfilter = av_strdup(filters);
3691 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3697 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3701 AVCodecContext *audio_enc;
3703 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3706 audio_enc = st->codec;
3707 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3709 if (!ost->stream_copy) {
3710 char *sample_fmt = NULL;
3712 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3714 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3716 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3717 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3721 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3727 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3731 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3732 if (!ost->stream_copy) {
3733 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3740 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3742 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3743 ost->stream_copy = 1;
3747 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3751 AVCodecContext *subtitle_enc;
3753 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3755 subtitle_enc = st->codec;
3757 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3762 /* arg format is "output-stream-index:streamid-value". */
3763 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3769 av_strlcpy(idx_str, arg, sizeof(idx_str));
3770 p = strchr(idx_str, ':');
3772 av_log(NULL, AV_LOG_FATAL,
3773 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3778 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3779 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3780 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3784 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3786 AVFormatContext *is = ifile->ctx;
3787 AVFormatContext *os = ofile->ctx;
3790 for (i = 0; i < is->nb_chapters; i++) {
3791 AVChapter *in_ch = is->chapters[i], *out_ch;
3792 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3793 AV_TIME_BASE_Q, in_ch->time_base);
3794 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3795 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3798 if (in_ch->end < ts_off)
3800 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3803 out_ch = av_mallocz(sizeof(AVChapter));
3805 return AVERROR(ENOMEM);
3807 out_ch->id = in_ch->id;
3808 out_ch->time_base = in_ch->time_base;
3809 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3810 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3813 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3816 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
3818 return AVERROR(ENOMEM);
3819 os->chapters[os->nb_chapters - 1] = out_ch;
3824 static void opt_output_file(void *optctx, const char *filename)
3826 OptionsContext *o = optctx;
3827 AVFormatContext *oc;
3829 AVOutputFormat *file_oformat;
3833 if (!strcmp(filename, "-"))
3836 oc = avformat_alloc_context();
3838 print_error(filename, AVERROR(ENOMEM));
3843 file_oformat = av_guess_format(o->format, NULL, NULL);
3844 if (!file_oformat) {
3845 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
3849 file_oformat = av_guess_format(NULL, filename, NULL);
3850 if (!file_oformat) {
3851 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3857 oc->oformat = file_oformat;
3858 oc->interrupt_callback = int_cb;
3859 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3861 if (!o->nb_stream_maps) {
3862 /* pick the "best" stream of each type */
3863 #define NEW_STREAM(type, index)\
3865 ost = new_ ## type ## _stream(o, oc);\
3866 ost->source_index = index;\
3867 ost->sync_ist = &input_streams[index];\
3868 input_streams[index].discard = 0;\
3871 /* video: highest resolution */
3872 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3873 int area = 0, idx = -1;
3874 for (i = 0; i < nb_input_streams; i++) {
3875 ist = &input_streams[i];
3876 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3877 ist->st->codec->width * ist->st->codec->height > area) {
3878 area = ist->st->codec->width * ist->st->codec->height;
3882 NEW_STREAM(video, idx);
3885 /* audio: most channels */
3886 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3887 int channels = 0, idx = -1;
3888 for (i = 0; i < nb_input_streams; i++) {
3889 ist = &input_streams[i];
3890 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3891 ist->st->codec->channels > channels) {
3892 channels = ist->st->codec->channels;
3896 NEW_STREAM(audio, idx);
3899 /* subtitles: pick first */
3900 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3901 for (i = 0; i < nb_input_streams; i++)
3902 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3903 NEW_STREAM(subtitle, i);
3907 /* do something with data? */
3909 for (i = 0; i < o->nb_stream_maps; i++) {
3910 StreamMap *map = &o->stream_maps[i];
3915 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3916 switch (ist->st->codec->codec_type) {
3917 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3918 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3919 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3920 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3921 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3923 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3924 map->file_index, map->stream_index);
3928 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3929 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3930 map->sync_stream_index];
3935 /* handle attached files */
3936 for (i = 0; i < o->nb_attachments; i++) {
3938 uint8_t *attachment;
3942 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3943 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3947 if ((len = avio_size(pb)) <= 0) {
3948 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3952 if (!(attachment = av_malloc(len))) {
3953 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3957 avio_read(pb, attachment, len);
3959 ost = new_attachment_stream(o, oc);
3960 ost->stream_copy = 0;
3961 ost->source_index = -1;
3962 ost->attachment_filename = o->attachments[i];
3963 ost->st->codec->extradata = attachment;
3964 ost->st->codec->extradata_size = len;
3966 p = strrchr(o->attachments[i], '/');
3967 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3971 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3972 output_files[nb_output_files - 1].ctx = oc;
3973 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3974 output_files[nb_output_files - 1].recording_time = o->recording_time;
3975 output_files[nb_output_files - 1].start_time = o->start_time;
3976 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3977 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3979 /* check filename in case of an image number is expected */
3980 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3981 if (!av_filename_number_test(oc->filename)) {
3982 print_error(oc->filename, AVERROR(EINVAL));
3987 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3988 /* test if it already exists to avoid losing precious files */
3989 assert_file_overwrite(filename);
3992 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
3993 &oc->interrupt_callback,
3994 &output_files[nb_output_files - 1].opts)) < 0) {
3995 print_error(filename, err);
4000 if (o->mux_preload) {
4002 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4003 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4005 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4006 oc->flags |= AVFMT_FLAG_NONBLOCK;
4009 for (i = 0; i < o->nb_metadata_map; i++) {
4011 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4013 if (in_file_index < 0)
4015 if (in_file_index >= nb_input_files) {
4016 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4019 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4023 if (o->chapters_input_file >= nb_input_files) {
4024 if (o->chapters_input_file == INT_MAX) {
4025 /* copy chapters from the first input file that has them*/
4026 o->chapters_input_file = -1;
4027 for (i = 0; i < nb_input_files; i++)
4028 if (input_files[i].ctx->nb_chapters) {
4029 o->chapters_input_file = i;
4033 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4034 o->chapters_input_file);
4038 if (o->chapters_input_file >= 0)
4039 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4040 !o->metadata_chapters_manual);
4042 /* copy global metadata by default */
4043 if (!o->metadata_global_manual && nb_input_files)
4044 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4045 AV_DICT_DONT_OVERWRITE);
4046 if (!o->metadata_streams_manual)
4047 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4049 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4051 ist = &input_streams[output_streams[i].source_index];
4052 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4055 /* process manually set metadata */
4056 for (i = 0; i < o->nb_metadata; i++) {
4059 const char *stream_spec;
4060 int index = 0, j, ret;
4062 val = strchr(o->metadata[i].u.str, '=');
4064 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4065 o->metadata[i].u.str);
4070 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4072 for (j = 0; j < oc->nb_streams; j++) {
4073 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4074 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4078 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4086 if (index < 0 || index >= oc->nb_chapters) {
4087 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4090 m = &oc->chapters[index]->metadata;
4093 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4096 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4103 /* same option as mencoder */
4104 static int opt_pass(const char *opt, const char *arg)
4106 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4110 static int64_t getutime(void)
4113 struct rusage rusage;
4115 getrusage(RUSAGE_SELF, &rusage);
4116 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4117 #elif HAVE_GETPROCESSTIMES
4119 FILETIME c, e, k, u;
4120 proc = GetCurrentProcess();
4121 GetProcessTimes(proc, &c, &e, &k, &u);
4122 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4124 return av_gettime();
4128 static int64_t getmaxrss(void)
4130 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4131 struct rusage rusage;
4132 getrusage(RUSAGE_SELF, &rusage);
4133 return (int64_t)rusage.ru_maxrss * 1024;
4134 #elif HAVE_GETPROCESSMEMORYINFO
4136 PROCESS_MEMORY_COUNTERS memcounters;
4137 proc = GetCurrentProcess();
4138 memcounters.cb = sizeof(memcounters);
4139 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4140 return memcounters.PeakPagefileUsage;
4146 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4148 return parse_option(o, "q:a", arg, options);
4151 static void show_usage(void)
4153 printf("Hyper fast Audio and Video encoder\n");
4154 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4158 static void show_help(void)
4160 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4161 av_log_set_callback(log_callback_help);
4163 show_help_options(options, "Main options:\n",
4164 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4165 show_help_options(options, "\nAdvanced options:\n",
4166 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4168 show_help_options(options, "\nVideo options:\n",
4169 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4171 show_help_options(options, "\nAdvanced Video options:\n",
4172 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4173 OPT_VIDEO | OPT_EXPERT);
4174 show_help_options(options, "\nAudio options:\n",
4175 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4177 show_help_options(options, "\nAdvanced Audio options:\n",
4178 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4179 OPT_AUDIO | OPT_EXPERT);
4180 show_help_options(options, "\nSubtitle options:\n",
4181 OPT_SUBTITLE | OPT_GRAB,
4183 show_help_options(options, "\nAudio/Video grab options:\n",
4187 show_help_children(avcodec_get_class(), flags);
4188 show_help_children(avformat_get_class(), flags);
4189 show_help_children(sws_get_class(), flags);
4192 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4194 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4195 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4197 if (!strncmp(arg, "pal-", 4)) {
4200 } else if (!strncmp(arg, "ntsc-", 5)) {
4203 } else if (!strncmp(arg, "film-", 5)) {
4207 /* Try to determine PAL/NTSC by peeking in the input files */
4208 if (nb_input_files) {
4210 for (j = 0; j < nb_input_files; j++) {
4211 for (i = 0; i < input_files[j].nb_streams; i++) {
4212 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4213 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4215 fr = c->time_base.den * 1000 / c->time_base.num;
4219 } else if ((fr == 29970) || (fr == 23976)) {
4224 if (norm != UNKNOWN)
4228 if (norm != UNKNOWN)
4229 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4232 if (norm == UNKNOWN) {
4233 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4234 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4235 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4239 if (!strcmp(arg, "vcd")) {
4240 opt_video_codec(o, "c:v", "mpeg1video");
4241 opt_audio_codec(o, "c:a", "mp2");
4242 parse_option(o, "f", "vcd", options);
4244 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4245 parse_option(o, "r", frame_rates[norm], options);
4246 opt_default("g", norm == PAL ? "15" : "18");
4248 opt_default("b", "1150000");
4249 opt_default("maxrate", "1150000");
4250 opt_default("minrate", "1150000");
4251 opt_default("bufsize", "327680"); // 40*1024*8;
4253 opt_default("b:a", "224000");
4254 parse_option(o, "ar", "44100", options);
4255 parse_option(o, "ac", "2", options);
4257 opt_default("packetsize", "2324");
4258 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4260 /* We have to offset the PTS, so that it is consistent with the SCR.
4261 SCR starts at 36000, but the first two packs contain only padding
4262 and the first pack from the other stream, respectively, may also have
4263 been written before.
4264 So the real data starts at SCR 36000+3*1200. */
4265 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4266 } else if (!strcmp(arg, "svcd")) {
4268 opt_video_codec(o, "c:v", "mpeg2video");
4269 opt_audio_codec(o, "c:a", "mp2");
4270 parse_option(o, "f", "svcd", options);
4272 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4273 parse_option(o, "r", frame_rates[norm], options);
4274 opt_default("g", norm == PAL ? "15" : "18");
4276 opt_default("b", "2040000");
4277 opt_default("maxrate", "2516000");
4278 opt_default("minrate", "0"); // 1145000;
4279 opt_default("bufsize", "1835008"); // 224*1024*8;
4280 opt_default("flags", "+scan_offset");
4283 opt_default("b:a", "224000");
4284 parse_option(o, "ar", "44100", options);
4286 opt_default("packetsize", "2324");
4288 } else if (!strcmp(arg, "dvd")) {
4290 opt_video_codec(o, "c:v", "mpeg2video");
4291 opt_audio_codec(o, "c:a", "ac3");
4292 parse_option(o, "f", "dvd", options);
4294 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4295 parse_option(o, "r", frame_rates[norm], options);
4296 opt_default("g", norm == PAL ? "15" : "18");
4298 opt_default("b", "6000000");
4299 opt_default("maxrate", "9000000");
4300 opt_default("minrate", "0"); // 1500000;
4301 opt_default("bufsize", "1835008"); // 224*1024*8;
4303 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4304 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4306 opt_default("b:a", "448000");
4307 parse_option(o, "ar", "48000", options);
4309 } else if (!strncmp(arg, "dv", 2)) {
4311 parse_option(o, "f", "dv", options);
4313 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4314 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4315 norm == PAL ? "yuv420p" : "yuv411p", options);
4316 parse_option(o, "r", frame_rates[norm], options);
4318 parse_option(o, "ar", "48000", options);
4319 parse_option(o, "ac", "2", options);
4322 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4323 return AVERROR(EINVAL);
4328 static int opt_vstats_file(const char *opt, const char *arg)
4330 av_free (vstats_filename);
4331 vstats_filename = av_strdup (arg);
4335 static int opt_vstats(const char *opt, const char *arg)
4338 time_t today2 = time(NULL);
4339 struct tm *today = localtime(&today2);
4341 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4343 return opt_vstats_file(opt, filename);
4346 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4348 return parse_option(o, "frames:v", arg, options);
4351 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4353 return parse_option(o, "frames:a", arg, options);
4356 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4358 return parse_option(o, "frames:d", arg, options);
4361 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4363 return parse_option(o, "tag:v", arg, options);
4366 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4368 return parse_option(o, "tag:a", arg, options);
4371 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4373 return parse_option(o, "tag:s", arg, options);
4376 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4378 return parse_option(o, "filter:v", arg, options);
4381 static int opt_vsync(const char *opt, const char *arg)
4383 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4384 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4385 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4387 if (video_sync_method == VSYNC_AUTO)
4388 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4392 static int opt_deinterlace(const char *opt, const char *arg)
4394 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4399 #define OFFSET(x) offsetof(OptionsContext, x)
4400 static const OptionDef options[] = {
4402 #include "cmdutils_common_opts.h"
4403 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4404 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4405 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4406 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4407 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4408 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4409 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4410 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4411 "outfile[,metadata]:infile[,metadata]" },
4412 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4413 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4414 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4415 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4416 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4417 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4418 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4419 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4420 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4421 "add timings for benchmarking" },
4422 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4423 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4424 "dump each input packet" },
4425 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4426 "when dumping packets, also dump the payload" },
4427 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4428 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4429 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4430 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4431 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4432 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4433 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4434 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4435 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4436 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4437 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4438 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4439 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4440 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4441 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4443 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4445 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4446 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4447 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4450 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4451 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4452 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4453 { "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" },
4454 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4455 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4456 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4457 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4458 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4459 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4460 "use same quantizer as source (implies VBR)" },
4461 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4462 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4463 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
4464 "this option is deprecated, use the yadif filter instead" },
4465 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4466 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4468 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4470 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4471 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4472 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4473 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4474 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4475 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4476 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4477 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4478 { "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" },
4481 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4482 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4483 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4484 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4485 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4486 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4487 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4488 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4489 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4491 /* subtitle options */
4492 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4493 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4494 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4497 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4500 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4501 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4503 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4505 /* data codec support */
4506 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4508 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4512 int main(int argc, char **argv)
4514 OptionsContext o = { 0 };
4519 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4520 parse_loglevel(argc, argv, options);
4522 avcodec_register_all();
4524 avdevice_register_all();
4527 avfilter_register_all();
4530 avformat_network_init();
4535 parse_options(&o, argc, argv, options, opt_output_file);
4537 if (nb_output_files <= 0 && nb_input_files == 0) {
4539 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4543 /* file converter / grab */
4544 if (nb_output_files <= 0) {
4545 fprintf(stderr, "At least one output file must be specified\n");
4549 if (nb_input_files == 0) {
4550 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4555 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4557 ti = getutime() - ti;
4559 int maxrss = getmaxrss() / 1024;
4560 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);