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 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
454 memset(buf->base[0], 128, ret);
456 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
457 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
458 const int h_shift = i==0 ? 0 : h_chroma_shift;
459 const int v_shift = i==0 ? 0 : v_chroma_shift;
460 if (s->flags & CODEC_FLAG_EMU_EDGE)
461 buf->data[i] = buf->base[i];
463 buf->data[i] = buf->base[i] +
464 FFALIGN((buf->linesize[i]*edge >> v_shift) +
465 (pixel_size*edge >> h_shift), 32);
469 buf->pix_fmt = s->pix_fmt;
476 static void free_buffer_pool(InputStream *ist)
478 FrameBuffer *buf = ist->buffer_pool;
480 ist->buffer_pool = buf->next;
481 av_freep(&buf->base[0]);
483 buf = ist->buffer_pool;
487 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
489 av_assert0(buf->refcount);
491 if (!buf->refcount) {
492 buf->next = ist->buffer_pool;
493 ist->buffer_pool = buf;
497 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
499 InputStream *ist = s->opaque;
503 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
506 buf = ist->buffer_pool;
507 ist->buffer_pool = buf->next;
509 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
510 av_freep(&buf->base[0]);
512 if ((ret = alloc_buffer(ist, &buf)) < 0)
518 frame->type = FF_BUFFER_TYPE_USER;
519 frame->extended_data = frame->data;
520 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
522 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
523 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
524 frame->data[i] = buf->data[i];
525 frame->linesize[i] = buf->linesize[i];
531 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
533 InputStream *ist = s->opaque;
534 FrameBuffer *buf = frame->opaque;
537 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
538 frame->data[i] = NULL;
540 unref_buffer(ist, buf);
543 static void filter_release_buffer(AVFilterBuffer *fb)
545 FrameBuffer *buf = fb->priv;
547 unref_buffer(buf->ist, buf);
552 static int configure_video_filters(InputStream *ist, OutputStream *ost)
554 AVFilterContext *last_filter, *filter;
555 /** filter graph containing all filters including input & output */
556 AVCodecContext *codec = ost->st->codec;
557 AVCodecContext *icodec = ist->st->codec;
558 SinkContext sink_ctx = { .pix_fmt = codec->pix_fmt };
559 AVRational sample_aspect_ratio;
563 ost->graph = avfilter_graph_alloc();
565 if (ist->st->sample_aspect_ratio.num) {
566 sample_aspect_ratio = ist->st->sample_aspect_ratio;
568 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
570 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
571 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
572 sample_aspect_ratio.num, sample_aspect_ratio.den);
574 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
575 "src", args, NULL, ost->graph);
578 ret = avfilter_graph_create_filter(&ost->output_video_filter, &sink,
579 "out", NULL, &sink_ctx, ost->graph);
582 last_filter = ost->input_video_filter;
584 if (codec->width != icodec->width || codec->height != icodec->height) {
585 snprintf(args, 255, "%d:%d:flags=0x%X",
588 (unsigned)ost->sws_flags);
589 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
590 NULL, args, NULL, ost->graph)) < 0)
592 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
594 last_filter = filter;
597 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
598 ost->graph->scale_sws_opts = av_strdup(args);
601 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
602 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
604 outputs->name = av_strdup("in");
605 outputs->filter_ctx = last_filter;
606 outputs->pad_idx = 0;
607 outputs->next = NULL;
609 inputs->name = av_strdup("out");
610 inputs->filter_ctx = ost->output_video_filter;
614 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
617 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
621 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
624 codec->width = ost->output_video_filter->inputs[0]->w;
625 codec->height = ost->output_video_filter->inputs[0]->h;
626 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
627 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
628 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
629 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
633 #endif /* CONFIG_AVFILTER */
635 static void term_exit(void)
637 av_log(NULL, AV_LOG_QUIET, "");
640 static volatile int received_sigterm = 0;
641 static volatile int received_nb_signals = 0;
644 sigterm_handler(int sig)
646 received_sigterm = sig;
647 received_nb_signals++;
651 static void term_init(void)
653 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
654 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
656 signal(SIGXCPU, sigterm_handler);
660 static int decode_interrupt_cb(void *ctx)
662 return received_nb_signals > 1;
665 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
667 void exit_program(int ret)
672 for (i = 0; i < nb_output_files; i++) {
673 AVFormatContext *s = output_files[i].ctx;
674 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
676 avformat_free_context(s);
677 av_dict_free(&output_files[i].opts);
679 for (i = 0; i < nb_output_streams; i++) {
680 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
682 AVBitStreamFilterContext *next = bsfc->next;
683 av_bitstream_filter_close(bsfc);
686 output_streams[i].bitstream_filters = NULL;
688 if (output_streams[i].output_frame) {
689 AVFrame *frame = output_streams[i].output_frame;
690 if (frame->extended_data != frame->data)
691 av_freep(&frame->extended_data);
696 av_freep(&output_streams[i].avfilter);
699 for (i = 0; i < nb_input_files; i++) {
700 avformat_close_input(&input_files[i].ctx);
702 for (i = 0; i < nb_input_streams; i++) {
703 av_freep(&input_streams[i].decoded_frame);
704 av_freep(&input_streams[i].filtered_frame);
705 av_dict_free(&input_streams[i].opts);
706 free_buffer_pool(&input_streams[i]);
711 av_free(vstats_filename);
713 av_freep(&input_streams);
714 av_freep(&input_files);
715 av_freep(&output_streams);
716 av_freep(&output_files);
720 allocated_audio_buf_size = 0;
725 avformat_network_deinit();
727 if (received_sigterm) {
728 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
729 (int) received_sigterm);
736 static void assert_avoptions(AVDictionary *m)
738 AVDictionaryEntry *t;
739 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
740 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
745 static void assert_codec_experimental(AVCodecContext *c, int encoder)
747 const char *codec_string = encoder ? "encoder" : "decoder";
749 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
750 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
751 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
752 "results.\nAdd '-strict experimental' if you want to use it.\n",
753 codec_string, c->codec->name);
754 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
755 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
756 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
757 codec_string, codec->name);
762 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
764 if (codec && codec->sample_fmts) {
765 const enum AVSampleFormat *p = codec->sample_fmts;
766 for (; *p != -1; p++) {
767 if (*p == st->codec->sample_fmt)
771 av_log(NULL, AV_LOG_WARNING,
772 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
773 av_get_sample_fmt_name(st->codec->sample_fmt),
775 av_get_sample_fmt_name(codec->sample_fmts[0]));
776 st->codec->sample_fmt = codec->sample_fmts[0];
782 * Update the requested input sample format based on the output sample format.
783 * This is currently only used to request float output from decoders which
784 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
785 * Ideally this will be removed in the future when decoders do not do format
786 * conversion and only output in their native format.
788 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
791 /* if sample formats match or a decoder sample format has already been
792 requested, just return */
793 if (enc->sample_fmt == dec->sample_fmt ||
794 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
797 /* if decoder supports more than one output format */
798 if (dec_codec && dec_codec->sample_fmts &&
799 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
800 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
801 const enum AVSampleFormat *p;
802 int min_dec = -1, min_inc = -1;
804 /* find a matching sample format in the encoder */
805 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
806 if (*p == enc->sample_fmt) {
807 dec->request_sample_fmt = *p;
809 } else if (*p > enc->sample_fmt) {
810 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
812 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
815 /* if none match, provide the one that matches quality closest */
816 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
817 enc->sample_fmt - min_dec;
821 static void choose_sample_rate(AVStream *st, AVCodec *codec)
823 if (codec && codec->supported_samplerates) {
824 const int *p = codec->supported_samplerates;
826 int best_dist = INT_MAX;
828 int dist = abs(st->codec->sample_rate - *p);
829 if (dist < best_dist) {
835 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
837 st->codec->sample_rate = best;
841 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
843 if (codec && codec->pix_fmts) {
844 const enum PixelFormat *p = codec->pix_fmts;
845 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
846 if (st->codec->codec_id == CODEC_ID_MJPEG) {
847 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
848 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
849 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
850 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
853 for (; *p != PIX_FMT_NONE; p++) {
854 if (*p == st->codec->pix_fmt)
857 if (*p == PIX_FMT_NONE) {
858 if (st->codec->pix_fmt != PIX_FMT_NONE)
859 av_log(NULL, AV_LOG_WARNING,
860 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
861 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
863 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
864 st->codec->pix_fmt = codec->pix_fmts[0];
870 get_sync_ipts(const OutputStream *ost, int64_t pts)
872 OutputFile *of = &output_files[ost->file_index];
873 return (double)(pts - of->start_time) / AV_TIME_BASE;
876 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
878 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
879 AVCodecContext *avctx = ost->st->codec;
883 * Audio encoders may split the packets -- #frames in != #packets out.
884 * But there is no reordering, so we can limit the number of output packets
885 * by simply dropping them here.
886 * Counting encoded video frames needs to be done separately because of
887 * reordering, see do_video_out()
889 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
890 if (ost->frame_number >= ost->max_frames)
896 AVPacket new_pkt = *pkt;
897 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
898 &new_pkt.data, &new_pkt.size,
899 pkt->data, pkt->size,
900 pkt->flags & AV_PKT_FLAG_KEY);
903 new_pkt.destruct = av_destruct_packet;
905 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
906 bsfc->filter->name, pkt->stream_index,
907 avctx->codec ? avctx->codec->name : "copy");
917 pkt->stream_index = ost->index;
918 ret = av_interleaved_write_frame(s, pkt);
920 print_error("av_interleaved_write_frame()", ret);
925 static int check_recording_time(OutputStream *ost)
927 OutputFile *of = &output_files[ost->file_index];
929 if (of->recording_time != INT64_MAX &&
930 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
931 AV_TIME_BASE_Q) >= 0) {
932 ost->is_past_recording_time = 1;
938 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
940 int fill_char = 0x00;
941 if (sample_fmt == AV_SAMPLE_FMT_U8)
943 memset(buf, fill_char, size);
946 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
947 const uint8_t *buf, int buf_size)
949 AVCodecContext *enc = ost->st->codec;
950 AVFrame *frame = NULL;
954 av_init_packet(&pkt);
959 if (!ost->output_frame) {
960 ost->output_frame = avcodec_alloc_frame();
961 if (!ost->output_frame) {
962 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
966 frame = ost->output_frame;
967 if (frame->extended_data != frame->data)
968 av_freep(&frame->extended_data);
969 avcodec_get_frame_defaults(frame);
971 frame->nb_samples = buf_size /
972 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
973 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
974 buf, buf_size, 1)) < 0) {
975 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
979 if (!check_recording_time(ost))
982 ost->sync_opts += frame->nb_samples;
986 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
987 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
992 if (pkt.pts != AV_NOPTS_VALUE)
993 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
994 if (pkt.dts != AV_NOPTS_VALUE)
995 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
996 if (pkt.duration > 0)
997 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
999 write_frame(s, &pkt, ost);
1001 audio_size += pkt.size;
1007 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1008 InputStream *ist, AVFrame *decoded_frame)
1011 int64_t audio_buf_size;
1013 int size_out, frame_bytes, resample_changed;
1014 AVCodecContext *enc = ost->st->codec;
1015 AVCodecContext *dec = ist->st->codec;
1016 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1017 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1018 uint8_t *buf = decoded_frame->data[0];
1019 int size = decoded_frame->nb_samples * dec->channels * isize;
1020 int64_t allocated_for_size = size;
1023 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1024 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1025 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1026 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1027 audio_buf_size *= osize * enc->channels;
1029 if (audio_buf_size > INT_MAX) {
1030 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1034 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1036 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1040 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
1041 ost->audio_resample = 1;
1043 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1044 ost->resample_channels != dec->channels ||
1045 ost->resample_sample_rate != dec->sample_rate;
1047 if ((ost->audio_resample && !ost->resample) || resample_changed) {
1048 if (resample_changed) {
1049 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
1050 ist->file_index, ist->st->index,
1051 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1052 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1053 ost->resample_sample_fmt = dec->sample_fmt;
1054 ost->resample_channels = dec->channels;
1055 ost->resample_sample_rate = dec->sample_rate;
1057 audio_resample_close(ost->resample);
1059 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1060 if (audio_sync_method <= 1 &&
1061 ost->resample_sample_fmt == enc->sample_fmt &&
1062 ost->resample_channels == enc->channels &&
1063 ost->resample_sample_rate == enc->sample_rate) {
1064 ost->resample = NULL;
1065 ost->audio_resample = 0;
1066 } else if (ost->audio_resample) {
1067 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
1068 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
1069 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
1070 enc->sample_rate, dec->sample_rate,
1071 enc->sample_fmt, dec->sample_fmt,
1073 if (!ost->resample) {
1074 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1075 dec->channels, dec->sample_rate,
1076 enc->channels, enc->sample_rate);
1082 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
1083 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
1084 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
1085 if (ost->reformat_ctx)
1086 av_audio_convert_free(ost->reformat_ctx);
1087 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
1088 dec->sample_fmt, 1, NULL, 0);
1089 if (!ost->reformat_ctx) {
1090 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
1091 av_get_sample_fmt_name(dec->sample_fmt),
1092 av_get_sample_fmt_name(enc->sample_fmt));
1095 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
1098 if (audio_sync_method) {
1099 double delta = get_sync_ipts(ost, ist->last_dts) * enc->sample_rate - ost->sync_opts -
1100 av_fifo_size(ost->fifo) / (enc->channels * osize);
1101 int idelta = delta * dec->sample_rate / enc->sample_rate;
1102 int byte_delta = idelta * isize * dec->channels;
1104 // FIXME resample delay
1105 if (fabs(delta) > 50) {
1106 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1107 if (byte_delta < 0) {
1108 byte_delta = FFMAX(byte_delta, -size);
1111 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1112 -byte_delta / (isize * dec->channels));
1117 static uint8_t *input_tmp = NULL;
1118 input_tmp = av_realloc(input_tmp, byte_delta + size);
1120 if (byte_delta > allocated_for_size - size) {
1121 allocated_for_size = byte_delta + (int64_t)size;
1126 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1127 memcpy(input_tmp + byte_delta, buf, size);
1130 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1132 } else if (audio_sync_method > 1) {
1133 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1134 av_assert0(ost->audio_resample);
1135 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1136 delta, comp, enc->sample_rate);
1137 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
1138 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1142 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->last_dts) * enc->sample_rate) -
1143 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1145 if (ost->audio_resample) {
1147 size_out = audio_resample(ost->resample,
1148 (short *)buftmp, (short *)buf,
1149 size / (dec->channels * isize));
1150 size_out = size_out * enc->channels * osize;
1156 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1157 const void *ibuf[6] = { buftmp };
1158 void *obuf[6] = { audio_buf };
1159 int istride[6] = { isize };
1160 int ostride[6] = { osize };
1161 int len = size_out / istride[0];
1162 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
1163 printf("av_audio_convert() failed\n");
1169 size_out = len * osize;
1172 /* now encode as many frames as possible */
1173 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1174 /* output resampled raw samples */
1175 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1176 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1179 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1181 frame_bytes = enc->frame_size * osize * enc->channels;
1183 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1184 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1185 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1188 encode_audio_frame(s, ost, buftmp, size_out);
1192 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1194 AVCodecContext *dec;
1195 AVPicture *picture2;
1196 AVPicture picture_tmp;
1199 dec = ist->st->codec;
1201 /* deinterlace : must be done before any resize */
1202 if (do_deinterlace) {
1205 /* create temporary picture */
1206 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1207 buf = av_malloc(size);
1211 picture2 = &picture_tmp;
1212 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1214 if (avpicture_deinterlace(picture2, picture,
1215 dec->pix_fmt, dec->width, dec->height) < 0) {
1216 /* if error, do not deinterlace */
1217 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1226 if (picture != picture2)
1227 *picture = *picture2;
1231 static void do_subtitle_out(AVFormatContext *s,
1237 static uint8_t *subtitle_out = NULL;
1238 int subtitle_out_max_size = 1024 * 1024;
1239 int subtitle_out_size, nb, i;
1240 AVCodecContext *enc;
1243 if (pts == AV_NOPTS_VALUE) {
1244 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1250 enc = ost->st->codec;
1252 if (!subtitle_out) {
1253 subtitle_out = av_malloc(subtitle_out_max_size);
1256 /* Note: DVB subtitle need one packet to draw them and one other
1257 packet to clear them */
1258 /* XXX: signal it in the codec context ? */
1259 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1264 for (i = 0; i < nb; i++) {
1265 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1266 if (!check_recording_time(ost))
1269 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1270 // start_display_time is required to be 0
1271 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1272 sub->end_display_time -= sub->start_display_time;
1273 sub->start_display_time = 0;
1274 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1275 subtitle_out_max_size, sub);
1276 if (subtitle_out_size < 0) {
1277 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1281 av_init_packet(&pkt);
1282 pkt.data = subtitle_out;
1283 pkt.size = subtitle_out_size;
1284 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1285 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1286 /* XXX: the pts correction is handled here. Maybe handling
1287 it in the codec would be better */
1289 pkt.pts += 90 * sub->start_display_time;
1291 pkt.pts += 90 * sub->end_display_time;
1293 write_frame(s, &pkt, ost);
1297 #if !CONFIG_AVFILTER
1298 static void do_video_resample(OutputStream *ost,
1300 AVFrame *in_picture,
1301 AVFrame **out_picture)
1303 int resample_changed = 0;
1304 *out_picture = in_picture;
1306 resample_changed = ost->resample_width != in_picture->width ||
1307 ost->resample_height != in_picture->height ||
1308 ost->resample_pix_fmt != in_picture->format;
1310 if (resample_changed) {
1311 av_log(NULL, AV_LOG_INFO,
1312 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1313 ist->file_index, ist->st->index,
1314 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1315 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1316 if (!ost->video_resample)
1317 ost->video_resample = 1;
1320 if (ost->video_resample) {
1321 *out_picture = &ost->pict_tmp;
1322 if (resample_changed) {
1323 /* initialize a new scaler context */
1324 sws_freeContext(ost->img_resample_ctx);
1325 ost->img_resample_ctx = sws_getContext(
1326 ist->st->codec->width,
1327 ist->st->codec->height,
1328 ist->st->codec->pix_fmt,
1329 ost->st->codec->width,
1330 ost->st->codec->height,
1331 ost->st->codec->pix_fmt,
1332 ost->sws_flags, NULL, NULL, NULL);
1333 if (ost->img_resample_ctx == NULL) {
1334 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1338 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1339 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1341 if (resample_changed) {
1342 ost->resample_width = in_picture->width;
1343 ost->resample_height = in_picture->height;
1344 ost->resample_pix_fmt = in_picture->format;
1350 static void do_video_out(AVFormatContext *s,
1353 AVFrame *in_picture,
1354 int *frame_size, float quality)
1356 int nb_frames, i, ret, format_video_sync;
1357 AVFrame *final_picture;
1358 AVCodecContext *enc;
1361 enc = ost->st->codec;
1363 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1365 /* by default, we output a single frame */
1370 format_video_sync = video_sync_method;
1371 if (format_video_sync == VSYNC_AUTO)
1372 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1373 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
1375 if (format_video_sync != VSYNC_PASSTHROUGH) {
1376 double vdelta = sync_ipts - ost->sync_opts;
1377 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1380 else if (format_video_sync == VSYNC_VFR) {
1381 if (vdelta <= -0.6) {
1383 } else if (vdelta > 0.6)
1384 ost->sync_opts = lrintf(sync_ipts);
1385 } else if (vdelta > 1.1)
1386 nb_frames = lrintf(vdelta);
1387 if (nb_frames == 0) {
1389 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1390 } else if (nb_frames > 1) {
1391 nb_frames_dup += nb_frames - 1;
1392 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1395 ost->sync_opts = lrintf(sync_ipts);
1397 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1401 #if !CONFIG_AVFILTER
1402 do_video_resample(ost, ist, in_picture, &final_picture);
1404 final_picture = in_picture;
1407 if (!ost->frame_number)
1408 ost->first_pts = ost->sync_opts;
1410 /* duplicates frame if needed */
1411 for (i = 0; i < nb_frames; i++) {
1413 av_init_packet(&pkt);
1417 if (!check_recording_time(ost))
1420 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1421 enc->codec->id == CODEC_ID_RAWVIDEO) {
1422 /* raw pictures are written as AVPicture structure to
1423 avoid any copies. We support temporarily the older
1425 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1426 enc->coded_frame->top_field_first = in_picture->top_field_first;
1427 pkt.data = (uint8_t *)final_picture;
1428 pkt.size = sizeof(AVPicture);
1429 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1430 pkt.flags |= AV_PKT_FLAG_KEY;
1432 write_frame(s, &pkt, ost);
1435 AVFrame big_picture;
1437 big_picture = *final_picture;
1438 /* better than nothing: use input picture interlaced
1440 big_picture.interlaced_frame = in_picture->interlaced_frame;
1441 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1442 if (ost->top_field_first == -1)
1443 big_picture.top_field_first = in_picture->top_field_first;
1445 big_picture.top_field_first = !!ost->top_field_first;
1448 /* handles same_quant here. This is not correct because it may
1449 not be a global option */
1450 big_picture.quality = quality;
1451 if (!enc->me_threshold)
1452 big_picture.pict_type = 0;
1453 big_picture.pts = ost->sync_opts;
1454 if (ost->forced_kf_index < ost->forced_kf_count &&
1455 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1456 big_picture.pict_type = AV_PICTURE_TYPE_I;
1457 ost->forced_kf_index++;
1459 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1461 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1466 if (pkt.pts != AV_NOPTS_VALUE)
1467 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1468 if (pkt.dts != AV_NOPTS_VALUE)
1469 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1471 write_frame(s, &pkt, ost);
1475 /* if two pass, output log */
1476 if (ost->logfile && enc->stats_out) {
1477 fprintf(ost->logfile, "%s", enc->stats_out);
1483 * For video, number of frames in == number of packets out.
1484 * But there may be reordering, so we can't throw away frames on encoder
1485 * flush, we need to limit them here, before they go into encoder.
1487 ost->frame_number++;
1491 static double psnr(double d)
1493 return -10.0 * log(d) / log(10.0);
1496 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1499 AVCodecContext *enc;
1501 double ti1, bitrate, avg_bitrate;
1503 /* this is executed just the first time do_video_stats is called */
1505 vstats_file = fopen(vstats_filename, "w");
1512 enc = ost->st->codec;
1513 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1514 frame_number = ost->frame_number;
1515 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1516 if (enc->flags&CODEC_FLAG_PSNR)
1517 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1519 fprintf(vstats_file,"f_size= %6d ", frame_size);
1520 /* compute pts value */
1521 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1525 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1526 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1527 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1528 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1529 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1533 static void print_report(OutputFile *output_files,
1534 OutputStream *ost_table, int nb_ostreams,
1535 int is_last_report, int64_t timer_start)
1539 AVFormatContext *oc;
1541 AVCodecContext *enc;
1542 int frame_number, vid, i;
1543 double bitrate, ti1, pts;
1544 static int64_t last_time = -1;
1545 static int qp_histogram[52];
1547 if (!print_stats && !is_last_report)
1550 if (!is_last_report) {
1552 /* display the report every 0.5 seconds */
1553 cur_time = av_gettime();
1554 if (last_time == -1) {
1555 last_time = cur_time;
1558 if ((cur_time - last_time) < 500000)
1560 last_time = cur_time;
1564 oc = output_files[0].ctx;
1566 total_size = avio_size(oc->pb);
1567 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1568 total_size = avio_tell(oc->pb);
1573 for (i = 0; i < nb_ostreams; i++) {
1575 ost = &ost_table[i];
1576 enc = ost->st->codec;
1577 if (!ost->stream_copy && enc->coded_frame)
1578 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1579 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1580 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1582 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1583 float t = (av_gettime() - timer_start) / 1000000.0;
1585 frame_number = ost->frame_number;
1586 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1587 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1589 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1593 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1595 for (j = 0; j < 32; j++)
1596 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1598 if (enc->flags&CODEC_FLAG_PSNR) {
1600 double error, error_sum = 0;
1601 double scale, scale_sum = 0;
1602 char type[3] = { 'Y','U','V' };
1603 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1604 for (j = 0; j < 3; j++) {
1605 if (is_last_report) {
1606 error = enc->error[j];
1607 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1609 error = enc->coded_frame->error[j];
1610 scale = enc->width * enc->height * 255.0 * 255.0;
1616 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1618 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1622 /* compute min output value */
1623 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1624 if ((pts < ti1) && (pts > 0))
1630 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1632 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1633 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1634 (double)total_size / 1024, ti1, bitrate);
1636 if (nb_frames_dup || nb_frames_drop)
1637 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1638 nb_frames_dup, nb_frames_drop);
1640 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1644 if (is_last_report) {
1645 int64_t raw= audio_size + video_size + extra_size;
1646 av_log(NULL, AV_LOG_INFO, "\n");
1647 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1648 video_size / 1024.0,
1649 audio_size / 1024.0,
1650 extra_size / 1024.0,
1651 100.0 * (total_size - raw) / raw
1656 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1660 for (i = 0; i < nb_ostreams; i++) {
1661 OutputStream *ost = &ost_table[i];
1662 AVCodecContext *enc = ost->st->codec;
1663 AVFormatContext *os = output_files[ost->file_index].ctx;
1664 int stop_encoding = 0;
1666 if (!ost->encoding_needed)
1669 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1671 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1676 int fifo_bytes, got_packet;
1677 av_init_packet(&pkt);
1681 switch (ost->st->codec->codec_type) {
1682 case AVMEDIA_TYPE_AUDIO:
1683 fifo_bytes = av_fifo_size(ost->fifo);
1684 if (fifo_bytes > 0) {
1685 /* encode any samples remaining in fifo */
1686 int frame_bytes = fifo_bytes;
1688 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1690 /* pad last frame with silence if needed */
1691 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1692 frame_bytes = enc->frame_size * enc->channels *
1693 av_get_bytes_per_sample(enc->sample_fmt);
1694 if (allocated_audio_buf_size < frame_bytes)
1696 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1698 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1700 /* flush encoder with NULL frames until it is done
1701 returning packets */
1702 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1708 case AVMEDIA_TYPE_VIDEO:
1709 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1711 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1715 if (ost->logfile && enc->stats_out) {
1716 fprintf(ost->logfile, "%s", enc->stats_out);
1722 if (pkt.pts != AV_NOPTS_VALUE)
1723 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1724 if (pkt.dts != AV_NOPTS_VALUE)
1725 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1726 write_frame(os, &pkt, ost);
1738 * Check whether a packet from ist should be written into ost at this time
1740 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1742 OutputFile *of = &output_files[ost->file_index];
1743 int ist_index = ist - input_streams;
1745 if (ost->source_index != ist_index)
1748 if (of->start_time && ist->last_dts < of->start_time)
1754 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1756 OutputFile *of = &output_files[ost->file_index];
1757 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1760 av_init_packet(&opkt);
1762 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1763 !ost->copy_initial_nonkeyframes)
1766 if (of->recording_time != INT64_MAX &&
1767 ist->last_dts >= of->recording_time + of->start_time) {
1768 ost->is_past_recording_time = 1;
1772 /* force the input stream PTS */
1773 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1774 audio_size += pkt->size;
1775 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1776 video_size += pkt->size;
1780 if (pkt->pts != AV_NOPTS_VALUE)
1781 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1783 opkt.pts = AV_NOPTS_VALUE;
1785 if (pkt->dts == AV_NOPTS_VALUE)
1786 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1788 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1789 opkt.dts -= ost_tb_start_time;
1791 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1792 opkt.flags = pkt->flags;
1794 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1795 if ( ost->st->codec->codec_id != CODEC_ID_H264
1796 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1797 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1798 && ost->st->codec->codec_id != CODEC_ID_VC1
1800 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1801 opkt.destruct = av_destruct_packet;
1803 opkt.data = pkt->data;
1804 opkt.size = pkt->size;
1807 write_frame(of->ctx, &opkt, ost);
1808 ost->st->codec->frame_number++;
1809 av_free_packet(&opkt);
1812 static void rate_emu_sleep(InputStream *ist)
1814 if (input_files[ist->file_index].rate_emu) {
1815 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
1816 int64_t now = av_gettime() - ist->start;
1822 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1824 AVFrame *decoded_frame;
1825 AVCodecContext *avctx = ist->st->codec;
1826 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1829 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1830 return AVERROR(ENOMEM);
1832 avcodec_get_frame_defaults(ist->decoded_frame);
1833 decoded_frame = ist->decoded_frame;
1835 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1841 /* no audio frame */
1845 /* if the decoder provides a pts, use it instead of the last packet pts.
1846 the decoder could be delaying output by a packet or more. */
1847 if (decoded_frame->pts != AV_NOPTS_VALUE)
1848 ist->next_dts = decoded_frame->pts;
1850 /* increment next_dts to use for the case where the input stream does not
1851 have timestamps or there are multiple frames in the packet */
1852 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1855 // preprocess audio (volume)
1856 if (audio_volume != 256) {
1857 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1858 void *samples = decoded_frame->data[0];
1859 switch (avctx->sample_fmt) {
1860 case AV_SAMPLE_FMT_U8:
1862 uint8_t *volp = samples;
1863 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1864 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1865 *volp++ = av_clip_uint8(v);
1869 case AV_SAMPLE_FMT_S16:
1871 int16_t *volp = samples;
1872 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1873 int v = ((*volp) * audio_volume + 128) >> 8;
1874 *volp++ = av_clip_int16(v);
1878 case AV_SAMPLE_FMT_S32:
1880 int32_t *volp = samples;
1881 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1882 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1883 *volp++ = av_clipl_int32(v);
1887 case AV_SAMPLE_FMT_FLT:
1889 float *volp = samples;
1890 float scale = audio_volume / 256.f;
1891 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1896 case AV_SAMPLE_FMT_DBL:
1898 double *volp = samples;
1899 double scale = audio_volume / 256.;
1900 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1906 av_log(NULL, AV_LOG_FATAL,
1907 "Audio volume adjustment on sample format %s is not supported.\n",
1908 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1913 rate_emu_sleep(ist);
1915 for (i = 0; i < nb_output_streams; i++) {
1916 OutputStream *ost = &output_streams[i];
1918 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1920 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1926 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1928 AVFrame *decoded_frame, *filtered_frame = NULL;
1929 void *buffer_to_free = NULL;
1933 int frame_available = 1;
1936 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1937 return AVERROR(ENOMEM);
1939 avcodec_get_frame_defaults(ist->decoded_frame);
1940 decoded_frame = ist->decoded_frame;
1941 pkt->pts = *pkt_pts;
1942 pkt->dts = ist->last_dts;
1943 *pkt_pts = AV_NOPTS_VALUE;
1945 ret = avcodec_decode_video2(ist->st->codec,
1946 decoded_frame, got_output, pkt);
1950 quality = same_quant ? decoded_frame->quality : 0;
1952 /* no picture yet */
1955 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1956 decoded_frame->pkt_dts);
1958 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1960 rate_emu_sleep(ist);
1962 for (i = 0; i < nb_output_streams; i++) {
1963 OutputStream *ost = &output_streams[i];
1964 int frame_size, resample_changed;
1966 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1970 resample_changed = ost->resample_width != decoded_frame->width ||
1971 ost->resample_height != decoded_frame->height ||
1972 ost->resample_pix_fmt != decoded_frame->format;
1973 if (resample_changed) {
1974 av_log(NULL, AV_LOG_INFO,
1975 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1976 ist->file_index, ist->st->index,
1977 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1978 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1980 avfilter_graph_free(&ost->graph);
1981 if (configure_video_filters(ist, ost)) {
1982 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1986 ost->resample_width = decoded_frame->width;
1987 ost->resample_height = decoded_frame->height;
1988 ost->resample_pix_fmt = decoded_frame->format;
1991 if (ist->st->sample_aspect_ratio.num)
1992 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1993 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1994 FrameBuffer *buf = decoded_frame->opaque;
1995 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1996 decoded_frame->data, decoded_frame->linesize,
1997 AV_PERM_READ | AV_PERM_PRESERVE,
1998 ist->st->codec->width, ist->st->codec->height,
1999 ist->st->codec->pix_fmt);
2001 avfilter_copy_frame_props(fb, decoded_frame);
2002 fb->buf->priv = buf;
2003 fb->buf->free = filter_release_buffer;
2006 av_buffersrc_buffer(ost->input_video_filter, fb);
2008 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
2009 decoded_frame->pts, decoded_frame->sample_aspect_ratio);
2011 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2012 av_free(buffer_to_free);
2013 return AVERROR(ENOMEM);
2015 avcodec_get_frame_defaults(ist->filtered_frame);
2016 filtered_frame = ist->filtered_frame;
2018 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2019 while (frame_available) {
2020 AVRational ist_pts_tb;
2021 if (ost->output_video_filter)
2022 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
2024 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2025 if (ost->picref->video && !ost->frame_aspect_ratio)
2026 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2028 filtered_frame = decoded_frame;
2031 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2032 same_quant ? quality : ost->st->codec->global_quality);
2033 if (vstats_filename && frame_size)
2034 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2036 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2038 avfilter_unref_buffer(ost->picref);
2043 av_free(buffer_to_free);
2047 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2049 AVSubtitle subtitle;
2050 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2051 &subtitle, got_output, pkt);
2057 rate_emu_sleep(ist);
2059 for (i = 0; i < nb_output_streams; i++) {
2060 OutputStream *ost = &output_streams[i];
2062 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2065 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2068 avsubtitle_free(&subtitle);
2072 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2073 static int output_packet(InputStream *ist,
2074 OutputStream *ost_table, int nb_ostreams,
2075 const AVPacket *pkt)
2079 int64_t pkt_pts = AV_NOPTS_VALUE;
2082 if (ist->next_dts == AV_NOPTS_VALUE)
2083 ist->next_dts = ist->last_dts;
2087 av_init_packet(&avpkt);
2095 if (pkt->dts != AV_NOPTS_VALUE)
2096 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2097 if (pkt->pts != AV_NOPTS_VALUE)
2098 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2100 // while we have more to decode or while the decoder did output something on EOF
2101 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2105 ist->last_dts = ist->next_dts;
2107 if (avpkt.size && avpkt.size != pkt->size) {
2108 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2109 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2110 ist->showed_multi_packet_warning = 1;
2113 switch (ist->st->codec->codec_type) {
2114 case AVMEDIA_TYPE_AUDIO:
2115 ret = transcode_audio (ist, &avpkt, &got_output);
2117 case AVMEDIA_TYPE_VIDEO:
2118 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2120 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2121 else if (ist->st->r_frame_rate.num)
2122 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2123 ist->st->r_frame_rate.num},
2125 else if (ist->st->codec->time_base.num != 0) {
2126 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2127 ist->st->codec->ticks_per_frame;
2128 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2131 case AVMEDIA_TYPE_SUBTITLE:
2132 ret = transcode_subtitles(ist, &avpkt, &got_output);
2140 // touch data and size only if not EOF
2150 /* handle stream copy */
2151 if (!ist->decoding_needed) {
2152 rate_emu_sleep(ist);
2153 ist->last_dts = ist->next_dts;
2154 switch (ist->st->codec->codec_type) {
2155 case AVMEDIA_TYPE_AUDIO:
2156 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2157 ist->st->codec->sample_rate;
2159 case AVMEDIA_TYPE_VIDEO:
2160 if (ist->st->codec->time_base.num != 0) {
2161 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2162 ist->next_dts += ((int64_t)AV_TIME_BASE *
2163 ist->st->codec->time_base.num * ticks) /
2164 ist->st->codec->time_base.den;
2169 for (i = 0; pkt && i < nb_ostreams; i++) {
2170 OutputStream *ost = &ost_table[i];
2172 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2175 do_streamcopy(ist, ost, pkt);
2181 static void print_sdp(OutputFile *output_files, int n)
2185 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2189 for (i = 0; i < n; i++)
2190 avc[i] = output_files[i].ctx;
2192 av_sdp_create(avc, n, sdp, sizeof(sdp));
2193 printf("SDP:\n%s\n", sdp);
2198 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2199 char *error, int error_len)
2202 InputStream *ist = &input_streams[ist_index];
2203 if (ist->decoding_needed) {
2204 AVCodec *codec = ist->dec;
2206 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2207 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2208 return AVERROR(EINVAL);
2211 /* update requested sample format for the decoder based on the
2212 corresponding encoder sample format */
2213 for (i = 0; i < nb_output_streams; i++) {
2214 OutputStream *ost = &output_streams[i];
2215 if (ost->source_index == ist_index) {
2216 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2221 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2222 ist->st->codec->get_buffer = codec_get_buffer;
2223 ist->st->codec->release_buffer = codec_release_buffer;
2224 ist->st->codec->opaque = ist;
2227 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2228 av_dict_set(&ist->opts, "threads", "auto", 0);
2229 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2230 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2231 ist->file_index, ist->st->index);
2232 return AVERROR(EINVAL);
2234 assert_codec_experimental(ist->st->codec, 0);
2235 assert_avoptions(ist->opts);
2238 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;
2239 ist->next_dts = AV_NOPTS_VALUE;
2240 init_pts_correction(&ist->pts_ctx);
2246 static int transcode_init(OutputFile *output_files,
2247 int nb_output_files,
2248 InputFile *input_files,
2251 int ret = 0, i, j, k;
2252 AVFormatContext *oc;
2253 AVCodecContext *codec, *icodec;
2259 /* init framerate emulation */
2260 for (i = 0; i < nb_input_files; i++) {
2261 InputFile *ifile = &input_files[i];
2262 if (ifile->rate_emu)
2263 for (j = 0; j < ifile->nb_streams; j++)
2264 input_streams[j + ifile->ist_index].start = av_gettime();
2267 /* output stream init */
2268 for (i = 0; i < nb_output_files; i++) {
2269 oc = output_files[i].ctx;
2270 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2271 av_dump_format(oc, i, oc->filename, 1);
2272 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2273 return AVERROR(EINVAL);
2277 /* for each output stream, we compute the right encoding parameters */
2278 for (i = 0; i < nb_output_streams; i++) {
2279 ost = &output_streams[i];
2280 oc = output_files[ost->file_index].ctx;
2281 ist = &input_streams[ost->source_index];
2283 if (ost->attachment_filename)
2286 codec = ost->st->codec;
2287 icodec = ist->st->codec;
2289 ost->st->disposition = ist->st->disposition;
2290 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2291 codec->chroma_sample_location = icodec->chroma_sample_location;
2293 if (ost->stream_copy) {
2294 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2296 if (extra_size > INT_MAX) {
2297 return AVERROR(EINVAL);
2300 /* if stream_copy is selected, no need to decode or encode */
2301 codec->codec_id = icodec->codec_id;
2302 codec->codec_type = icodec->codec_type;
2304 if (!codec->codec_tag) {
2305 if (!oc->oformat->codec_tag ||
2306 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2307 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2308 codec->codec_tag = icodec->codec_tag;
2311 codec->bit_rate = icodec->bit_rate;
2312 codec->rc_max_rate = icodec->rc_max_rate;
2313 codec->rc_buffer_size = icodec->rc_buffer_size;
2314 codec->field_order = icodec->field_order;
2315 codec->extradata = av_mallocz(extra_size);
2316 if (!codec->extradata) {
2317 return AVERROR(ENOMEM);
2319 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2320 codec->extradata_size = icodec->extradata_size;
2322 codec->time_base = icodec->time_base;
2323 codec->time_base.num *= icodec->ticks_per_frame;
2324 av_reduce(&codec->time_base.num, &codec->time_base.den,
2325 codec->time_base.num, codec->time_base.den, INT_MAX);
2327 codec->time_base = ist->st->time_base;
2329 switch (codec->codec_type) {
2330 case AVMEDIA_TYPE_AUDIO:
2331 if (audio_volume != 256) {
2332 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2335 codec->channel_layout = icodec->channel_layout;
2336 codec->sample_rate = icodec->sample_rate;
2337 codec->channels = icodec->channels;
2338 codec->frame_size = icodec->frame_size;
2339 codec->audio_service_type = icodec->audio_service_type;
2340 codec->block_align = icodec->block_align;
2342 case AVMEDIA_TYPE_VIDEO:
2343 codec->pix_fmt = icodec->pix_fmt;
2344 codec->width = icodec->width;
2345 codec->height = icodec->height;
2346 codec->has_b_frames = icodec->has_b_frames;
2347 if (!codec->sample_aspect_ratio.num) {
2348 codec->sample_aspect_ratio =
2349 ost->st->sample_aspect_ratio =
2350 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2351 ist->st->codec->sample_aspect_ratio.num ?
2352 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2355 case AVMEDIA_TYPE_SUBTITLE:
2356 codec->width = icodec->width;
2357 codec->height = icodec->height;
2359 case AVMEDIA_TYPE_DATA:
2360 case AVMEDIA_TYPE_ATTACHMENT:
2367 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2369 ist->decoding_needed = 1;
2370 ost->encoding_needed = 1;
2372 switch (codec->codec_type) {
2373 case AVMEDIA_TYPE_AUDIO:
2374 ost->fifo = av_fifo_alloc(1024);
2376 return AVERROR(ENOMEM);
2378 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2380 if (!codec->sample_rate)
2381 codec->sample_rate = icodec->sample_rate;
2382 choose_sample_rate(ost->st, ost->enc);
2383 codec->time_base = (AVRational){ 1, codec->sample_rate };
2385 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2386 codec->sample_fmt = icodec->sample_fmt;
2387 choose_sample_fmt(ost->st, ost->enc);
2389 if (!codec->channels)
2390 codec->channels = icodec->channels;
2391 codec->channel_layout = icodec->channel_layout;
2392 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2393 codec->channel_layout = 0;
2395 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2396 icodec->request_channels = codec-> channels;
2397 ost->resample_sample_fmt = icodec->sample_fmt;
2398 ost->resample_sample_rate = icodec->sample_rate;
2399 ost->resample_channels = icodec->channels;
2401 case AVMEDIA_TYPE_VIDEO:
2402 if (codec->pix_fmt == PIX_FMT_NONE)
2403 codec->pix_fmt = icodec->pix_fmt;
2404 choose_pixel_fmt(ost->st, ost->enc);
2406 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2407 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2411 if (!codec->width || !codec->height) {
2412 codec->width = icodec->width;
2413 codec->height = icodec->height;
2416 ost->video_resample = codec->width != icodec->width ||
2417 codec->height != icodec->height ||
2418 codec->pix_fmt != icodec->pix_fmt;
2419 if (ost->video_resample) {
2420 #if !CONFIG_AVFILTER
2421 avcodec_get_frame_defaults(&ost->pict_tmp);
2422 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2423 codec->width, codec->height)) {
2424 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2427 ost->img_resample_ctx = sws_getContext(
2434 ost->sws_flags, NULL, NULL, NULL);
2435 if (ost->img_resample_ctx == NULL) {
2436 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2440 codec->bits_per_raw_sample = 0;
2443 ost->resample_height = icodec->height;
2444 ost->resample_width = icodec->width;
2445 ost->resample_pix_fmt = icodec->pix_fmt;
2447 if (!ost->frame_rate.num)
2448 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2449 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2450 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2451 ost->frame_rate = ost->enc->supported_framerates[idx];
2453 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2456 if (configure_video_filters(ist, ost)) {
2457 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2462 case AVMEDIA_TYPE_SUBTITLE:
2463 codec->time_base = (AVRational){1, 1000};
2470 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2471 char logfilename[1024];
2474 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2475 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2477 if (codec->flags & CODEC_FLAG_PASS1) {
2478 f = fopen(logfilename, "wb");
2480 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2481 logfilename, strerror(errno));
2487 size_t logbuffer_size;
2488 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2489 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2493 codec->stats_in = logbuffer;
2499 /* open each encoder */
2500 for (i = 0; i < nb_output_streams; i++) {
2501 ost = &output_streams[i];
2502 if (ost->encoding_needed) {
2503 AVCodec *codec = ost->enc;
2504 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2506 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2507 ost->st->codec->codec_id, ost->file_index, ost->index);
2508 ret = AVERROR(EINVAL);
2511 if (dec->subtitle_header) {
2512 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2513 if (!ost->st->codec->subtitle_header) {
2514 ret = AVERROR(ENOMEM);
2517 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2518 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2520 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2521 av_dict_set(&ost->opts, "threads", "auto", 0);
2522 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2523 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2524 ost->file_index, ost->index);
2525 ret = AVERROR(EINVAL);
2528 assert_codec_experimental(ost->st->codec, 1);
2529 assert_avoptions(ost->opts);
2530 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2531 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2532 "It takes bits/s as argument, not kbits/s\n");
2533 extra_size += ost->st->codec->extradata_size;
2535 if (ost->st->codec->me_threshold)
2536 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2540 /* init input streams */
2541 for (i = 0; i < nb_input_streams; i++)
2542 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2545 /* discard unused programs */
2546 for (i = 0; i < nb_input_files; i++) {
2547 InputFile *ifile = &input_files[i];
2548 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2549 AVProgram *p = ifile->ctx->programs[j];
2550 int discard = AVDISCARD_ALL;
2552 for (k = 0; k < p->nb_stream_indexes; k++)
2553 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2554 discard = AVDISCARD_DEFAULT;
2557 p->discard = discard;
2561 /* open files and write file headers */
2562 for (i = 0; i < nb_output_files; i++) {
2563 oc = output_files[i].ctx;
2564 oc->interrupt_callback = int_cb;
2565 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2566 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2567 ret = AVERROR(EINVAL);
2570 assert_avoptions(output_files[i].opts);
2571 if (strcmp(oc->oformat->name, "rtp")) {
2577 /* dump the file output parameters - cannot be done before in case
2579 for (i = 0; i < nb_output_files; i++) {
2580 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2583 /* dump the stream mapping */
2584 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2585 for (i = 0; i < nb_output_streams; i++) {
2586 ost = &output_streams[i];
2588 if (ost->attachment_filename) {
2589 /* an attached file */
2590 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2591 ost->attachment_filename, ost->file_index, ost->index);
2594 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2595 input_streams[ost->source_index].file_index,
2596 input_streams[ost->source_index].st->index,
2599 if (ost->sync_ist != &input_streams[ost->source_index])
2600 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2601 ost->sync_ist->file_index,
2602 ost->sync_ist->st->index);
2603 if (ost->stream_copy)
2604 av_log(NULL, AV_LOG_INFO, " (copy)");
2606 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2607 input_streams[ost->source_index].dec->name : "?",
2608 ost->enc ? ost->enc->name : "?");
2609 av_log(NULL, AV_LOG_INFO, "\n");
2613 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2618 print_sdp(output_files, nb_output_files);
2625 * The following code is the main loop of the file converter
2627 static int transcode(OutputFile *output_files,
2628 int nb_output_files,
2629 InputFile *input_files,
2633 AVFormatContext *is, *os;
2637 int no_packet_count = 0;
2638 int64_t timer_start;
2640 if (!(no_packet = av_mallocz(nb_input_files)))
2643 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2647 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2650 timer_start = av_gettime();
2652 for (; received_sigterm == 0;) {
2653 int file_index, ist_index;
2658 ipts_min = INT64_MAX;
2661 /* select the stream that we must read now by looking at the
2662 smallest output pts */
2664 for (i = 0; i < nb_output_streams; i++) {
2668 ost = &output_streams[i];
2669 of = &output_files[ost->file_index];
2670 os = output_files[ost->file_index].ctx;
2671 ist = &input_streams[ost->source_index];
2672 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2673 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2675 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2676 ipts = ist->last_dts;
2677 if (!input_files[ist->file_index].eof_reached) {
2678 if (ipts < ipts_min) {
2681 file_index = ist->file_index;
2683 if (opts < opts_min) {
2685 if (!input_sync) file_index = ist->file_index;
2688 if (ost->frame_number >= ost->max_frames) {
2690 for (j = 0; j < of->ctx->nb_streams; j++)
2691 output_streams[of->ost_index + j].is_past_recording_time = 1;
2695 /* if none, if is finished */
2696 if (file_index < 0) {
2697 if (no_packet_count) {
2698 no_packet_count = 0;
2699 memset(no_packet, 0, nb_input_files);
2706 /* read a frame from it and output it in the fifo */
2707 is = input_files[file_index].ctx;
2708 ret = av_read_frame(is, &pkt);
2709 if (ret == AVERROR(EAGAIN)) {
2710 no_packet[file_index] = 1;
2715 input_files[file_index].eof_reached = 1;
2722 no_packet_count = 0;
2723 memset(no_packet, 0, nb_input_files);
2726 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2727 is->streams[pkt.stream_index]);
2729 /* the following test is needed in case new streams appear
2730 dynamically in stream : we ignore them */
2731 if (pkt.stream_index >= input_files[file_index].nb_streams)
2732 goto discard_packet;
2733 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2734 ist = &input_streams[ist_index];
2736 goto discard_packet;
2738 if (pkt.dts != AV_NOPTS_VALUE)
2739 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2740 if (pkt.pts != AV_NOPTS_VALUE)
2741 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2743 if (pkt.pts != AV_NOPTS_VALUE)
2744 pkt.pts *= ist->ts_scale;
2745 if (pkt.dts != AV_NOPTS_VALUE)
2746 pkt.dts *= ist->ts_scale;
2748 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2750 // pkt.dts, input_files[ist->file_index].ts_offset,
2751 // ist->st->codec->codec_type);
2752 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
2753 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2754 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2755 int64_t delta = pkt_dts - ist->next_dts;
2756 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2757 input_files[ist->file_index].ts_offset -= delta;
2758 av_log(NULL, AV_LOG_DEBUG,
2759 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2760 delta, input_files[ist->file_index].ts_offset);
2761 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2762 if (pkt.pts != AV_NOPTS_VALUE)
2763 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2767 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2768 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2770 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2771 ist->file_index, ist->st->index);
2774 av_free_packet(&pkt);
2779 av_free_packet(&pkt);
2781 /* dump report by using the output first video and audio streams */
2782 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2785 /* at the end of stream, we must flush the decoder buffers */
2786 for (i = 0; i < nb_input_streams; i++) {
2787 ist = &input_streams[i];
2788 if (ist->decoding_needed) {
2789 output_packet(ist, output_streams, nb_output_streams, NULL);
2792 flush_encoders(output_streams, nb_output_streams);
2796 /* write the trailer if needed and close file */
2797 for (i = 0; i < nb_output_files; i++) {
2798 os = output_files[i].ctx;
2799 av_write_trailer(os);
2802 /* dump report by using the first video and audio streams */
2803 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2805 /* close each encoder */
2806 for (i = 0; i < nb_output_streams; i++) {
2807 ost = &output_streams[i];
2808 if (ost->encoding_needed) {
2809 av_freep(&ost->st->codec->stats_in);
2810 avcodec_close(ost->st->codec);
2813 avfilter_graph_free(&ost->graph);
2817 /* close each decoder */
2818 for (i = 0; i < nb_input_streams; i++) {
2819 ist = &input_streams[i];
2820 if (ist->decoding_needed) {
2821 avcodec_close(ist->st->codec);
2829 av_freep(&no_packet);
2831 if (output_streams) {
2832 for (i = 0; i < nb_output_streams; i++) {
2833 ost = &output_streams[i];
2835 if (ost->stream_copy)
2836 av_freep(&ost->st->codec->extradata);
2838 fclose(ost->logfile);
2839 ost->logfile = NULL;
2841 av_fifo_free(ost->fifo); /* works even if fifo is not
2842 initialized but set to zero */
2843 av_freep(&ost->st->codec->subtitle_header);
2844 av_free(ost->pict_tmp.data[0]);
2845 av_free(ost->forced_kf_pts);
2846 if (ost->video_resample)
2847 sws_freeContext(ost->img_resample_ctx);
2849 audio_resample_close(ost->resample);
2850 if (ost->reformat_ctx)
2851 av_audio_convert_free(ost->reformat_ctx);
2852 av_dict_free(&ost->opts);
2859 static double parse_frame_aspect_ratio(const char *arg)
2866 p = strchr(arg, ':');
2868 x = strtol(arg, &end, 10);
2870 y = strtol(end + 1, &end, 10);
2872 ar = (double)x / (double)y;
2874 ar = strtod(arg, NULL);
2877 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2883 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2885 return parse_option(o, "codec:a", arg, options);
2888 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2890 return parse_option(o, "codec:v", arg, options);
2893 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2895 return parse_option(o, "codec:s", arg, options);
2898 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2900 return parse_option(o, "codec:d", arg, options);
2903 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2905 StreamMap *m = NULL;
2906 int i, negative = 0, file_idx;
2907 int sync_file_idx = -1, sync_stream_idx;
2915 map = av_strdup(arg);
2917 /* parse sync stream first, just pick first matching stream */
2918 if (sync = strchr(map, ',')) {
2920 sync_file_idx = strtol(sync + 1, &sync, 0);
2921 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2922 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2927 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2928 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2929 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2930 sync_stream_idx = i;
2933 if (i == input_files[sync_file_idx].nb_streams) {
2934 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2935 "match any streams.\n", arg);
2941 file_idx = strtol(map, &p, 0);
2942 if (file_idx >= nb_input_files || file_idx < 0) {
2943 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2947 /* disable some already defined maps */
2948 for (i = 0; i < o->nb_stream_maps; i++) {
2949 m = &o->stream_maps[i];
2950 if (file_idx == m->file_index &&
2951 check_stream_specifier(input_files[m->file_index].ctx,
2952 input_files[m->file_index].ctx->streams[m->stream_index],
2953 *p == ':' ? p + 1 : p) > 0)
2957 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2958 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2959 *p == ':' ? p + 1 : p) <= 0)
2961 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2962 &o->nb_stream_maps, o->nb_stream_maps + 1);
2963 m = &o->stream_maps[o->nb_stream_maps - 1];
2965 m->file_index = file_idx;
2966 m->stream_index = i;
2968 if (sync_file_idx >= 0) {
2969 m->sync_file_index = sync_file_idx;
2970 m->sync_stream_index = sync_stream_idx;
2972 m->sync_file_index = file_idx;
2973 m->sync_stream_index = i;
2978 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2986 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2988 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2989 &o->nb_attachments, o->nb_attachments + 1);
2990 o->attachments[o->nb_attachments - 1] = arg;
2995 * Parse a metadata specifier in arg.
2996 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2997 * @param index for type c/p, chapter/program index is written here
2998 * @param stream_spec for type s, the stream specifier is written here
3000 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3008 if (*(++arg) && *arg != ':') {
3009 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3012 *stream_spec = *arg == ':' ? arg + 1 : "";
3016 if (*(++arg) == ':')
3017 *index = strtol(++arg, NULL, 0);
3020 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3027 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3029 AVDictionary **meta_in = NULL;
3030 AVDictionary **meta_out;
3032 char type_in, type_out;
3033 const char *istream_spec = NULL, *ostream_spec = NULL;
3034 int idx_in = 0, idx_out = 0;
3036 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3037 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3039 if (type_in == 'g' || type_out == 'g')
3040 o->metadata_global_manual = 1;
3041 if (type_in == 's' || type_out == 's')
3042 o->metadata_streams_manual = 1;
3043 if (type_in == 'c' || type_out == 'c')
3044 o->metadata_chapters_manual = 1;
3046 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3047 if ((index) < 0 || (index) >= (nb_elems)) {\
3048 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3053 #define SET_DICT(type, meta, context, index)\
3056 meta = &context->metadata;\
3059 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3060 meta = &context->chapters[index]->metadata;\
3063 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3064 meta = &context->programs[index]->metadata;\
3068 SET_DICT(type_in, meta_in, ic, idx_in);
3069 SET_DICT(type_out, meta_out, oc, idx_out);
3071 /* for input streams choose first matching stream */
3072 if (type_in == 's') {
3073 for (i = 0; i < ic->nb_streams; i++) {
3074 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3075 meta_in = &ic->streams[i]->metadata;
3081 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3086 if (type_out == 's') {
3087 for (i = 0; i < oc->nb_streams; i++) {
3088 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3089 meta_out = &oc->streams[i]->metadata;
3090 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3095 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3100 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3102 const char *codec_string = encoder ? "encoder" : "decoder";
3106 avcodec_find_encoder_by_name(name) :
3107 avcodec_find_decoder_by_name(name);
3109 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3112 if (codec->type != type) {
3113 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3119 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3121 char *codec_name = NULL;
3123 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3125 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3126 st->codec->codec_id = codec->id;
3129 return avcodec_find_decoder(st->codec->codec_id);
3133 * Add all the streams from the given input file to the global
3134 * list of input streams.
3136 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3140 for (i = 0; i < ic->nb_streams; i++) {
3141 AVStream *st = ic->streams[i];
3142 AVCodecContext *dec = st->codec;
3145 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3146 ist = &input_streams[nb_input_streams - 1];
3148 ist->file_index = nb_input_files;
3150 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3152 ist->ts_scale = 1.0;
3153 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3155 ist->dec = choose_decoder(o, ic, st);
3157 switch (dec->codec_type) {
3158 case AVMEDIA_TYPE_AUDIO:
3159 if (o->audio_disable)
3160 st->discard = AVDISCARD_ALL;
3162 case AVMEDIA_TYPE_VIDEO:
3164 dec->flags |= CODEC_FLAG_EMU_EDGE;
3165 dec->height >>= dec->lowres;
3166 dec->width >>= dec->lowres;
3169 if (o->video_disable)
3170 st->discard = AVDISCARD_ALL;
3171 else if (video_discard)
3172 st->discard = video_discard;
3174 case AVMEDIA_TYPE_DATA:
3176 case AVMEDIA_TYPE_SUBTITLE:
3177 if (o->subtitle_disable)
3178 st->discard = AVDISCARD_ALL;
3180 case AVMEDIA_TYPE_ATTACHMENT:
3181 case AVMEDIA_TYPE_UNKNOWN:
3189 static void assert_file_overwrite(const char *filename)
3191 if (!file_overwrite &&
3192 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3193 av_strstart(filename, "file:", NULL))) {
3194 if (avio_check(filename, 0) == 0) {
3196 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3198 if (!read_yesno()) {
3199 fprintf(stderr, "Not overwriting - exiting\n");
3204 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3211 static void dump_attachment(AVStream *st, const char *filename)
3214 AVIOContext *out = NULL;
3215 AVDictionaryEntry *e;
3217 if (!st->codec->extradata_size) {
3218 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3219 nb_input_files - 1, st->index);
3222 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3223 filename = e->value;
3225 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3226 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3230 assert_file_overwrite(filename);
3232 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3233 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3238 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3243 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3245 AVFormatContext *ic;
3246 AVInputFormat *file_iformat = NULL;
3250 AVDictionary **opts;
3251 int orig_nb_streams; // number of streams before avformat_find_stream_info
3254 if (!(file_iformat = av_find_input_format(o->format))) {
3255 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3260 if (!strcmp(filename, "-"))
3263 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3264 !strcmp(filename, "/dev/stdin");
3266 /* get default parameters from command line */
3267 ic = avformat_alloc_context();
3269 print_error(filename, AVERROR(ENOMEM));
3272 if (o->nb_audio_sample_rate) {
3273 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3274 av_dict_set(&format_opts, "sample_rate", buf, 0);
3276 if (o->nb_audio_channels) {
3277 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3278 av_dict_set(&format_opts, "channels", buf, 0);
3280 if (o->nb_frame_rates) {
3281 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3283 if (o->nb_frame_sizes) {
3284 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3286 if (o->nb_frame_pix_fmts)
3287 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3289 ic->flags |= AVFMT_FLAG_NONBLOCK;
3290 ic->interrupt_callback = int_cb;
3292 /* open the input file with generic libav function */
3293 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3295 print_error(filename, err);
3298 assert_avoptions(format_opts);
3300 /* apply forced codec ids */
3301 for (i = 0; i < ic->nb_streams; i++)
3302 choose_decoder(o, ic, ic->streams[i]);
3304 /* Set AVCodecContext options for avformat_find_stream_info */
3305 opts = setup_find_stream_info_opts(ic, codec_opts);
3306 orig_nb_streams = ic->nb_streams;
3308 /* If not enough info to get the stream parameters, we decode the
3309 first frames to get it. (used in mpeg case for example) */
3310 ret = avformat_find_stream_info(ic, opts);
3312 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3313 avformat_close_input(&ic);
3317 timestamp = o->start_time;
3318 /* add the stream start time */
3319 if (ic->start_time != AV_NOPTS_VALUE)
3320 timestamp += ic->start_time;
3322 /* if seeking requested, we execute it */
3323 if (o->start_time != 0) {
3324 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3326 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3327 filename, (double)timestamp / AV_TIME_BASE);
3331 /* update the current parameters so that they match the one of the input stream */
3332 add_input_streams(o, ic);
3334 /* dump the file content */
3335 av_dump_format(ic, nb_input_files, filename, 0);
3337 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3338 input_files[nb_input_files - 1].ctx = ic;
3339 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3340 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3341 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3342 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3344 for (i = 0; i < o->nb_dump_attachment; i++) {
3347 for (j = 0; j < ic->nb_streams; j++) {
3348 AVStream *st = ic->streams[j];
3350 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3351 dump_attachment(st, o->dump_attachment[i].u.str);
3355 for (i = 0; i < orig_nb_streams; i++)
3356 av_dict_free(&opts[i]);
3363 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3364 AVCodecContext *avctx)
3370 for (p = kf; *p; p++)
3373 ost->forced_kf_count = n;
3374 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3375 if (!ost->forced_kf_pts) {
3376 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3379 for (i = 0; i < n; i++) {
3380 p = i ? strchr(p, ',') + 1 : kf;
3381 t = parse_time_or_die("force_key_frames", p, 1);
3382 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3386 static uint8_t *get_line(AVIOContext *s)
3392 if (avio_open_dyn_buf(&line) < 0) {
3393 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3397 while ((c = avio_r8(s)) && c != '\n')
3400 avio_close_dyn_buf(line, &buf);
3405 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3408 char filename[1000];
3409 const char *base[3] = { getenv("AVCONV_DATADIR"),
3414 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3418 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3419 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3420 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3423 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3424 i != 1 ? "" : "/.avconv", preset_name);
3425 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3431 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3433 char *codec_name = NULL;
3435 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3437 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3438 NULL, ost->st->codec->codec_type);
3439 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3440 } else if (!strcmp(codec_name, "copy"))
3441 ost->stream_copy = 1;
3443 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3444 ost->st->codec->codec_id = ost->enc->id;
3448 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3451 AVStream *st = avformat_new_stream(oc, NULL);
3452 int idx = oc->nb_streams - 1, ret = 0;
3453 char *bsf = NULL, *next, *codec_tag = NULL;
3454 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3456 char *buf = NULL, *arg = NULL, *preset = NULL;
3457 AVIOContext *s = NULL;
3460 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3464 if (oc->nb_streams - 1 < o->nb_streamid_map)
3465 st->id = o->streamid_map[oc->nb_streams - 1];
3467 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3468 nb_output_streams + 1);
3469 ost = &output_streams[nb_output_streams - 1];
3470 ost->file_index = nb_output_files;
3473 st->codec->codec_type = type;
3474 choose_encoder(o, oc, ost);
3476 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3479 avcodec_get_context_defaults3(st->codec, ost->enc);
3480 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3482 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3483 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3486 if (!buf[0] || buf[0] == '#') {
3490 if (!(arg = strchr(buf, '='))) {
3491 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3495 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3497 } while (!s->eof_reached);
3501 av_log(NULL, AV_LOG_FATAL,
3502 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3503 preset, ost->file_index, ost->index);
3507 ost->max_frames = INT64_MAX;
3508 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3510 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3512 if (next = strchr(bsf, ','))
3514 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3515 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3519 bsfc_prev->next = bsfc;
3521 ost->bitstream_filters = bsfc;
3527 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3529 uint32_t tag = strtol(codec_tag, &next, 0);
3531 tag = AV_RL32(codec_tag);
3532 st->codec->codec_tag = tag;
3535 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3536 if (qscale >= 0 || same_quant) {
3537 st->codec->flags |= CODEC_FLAG_QSCALE;
3538 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3541 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3542 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3544 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3548 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3551 const char *p = str;
3558 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3565 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3569 AVCodecContext *video_enc;
3571 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3573 video_enc = st->codec;
3575 if (!ost->stream_copy) {
3576 const char *p = NULL;
3577 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3578 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3579 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3582 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3583 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3584 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3588 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3589 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3590 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3594 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3595 if (frame_aspect_ratio)
3596 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3598 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3599 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3600 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3603 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3605 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3607 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3608 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3611 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3613 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3615 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3616 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3619 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3622 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3623 for (i = 0; p; i++) {
3625 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3627 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3630 video_enc->rc_override =
3631 av_realloc(video_enc->rc_override,
3632 sizeof(RcOverride) * (i + 1));
3633 video_enc->rc_override[i].start_frame = start;
3634 video_enc->rc_override[i].end_frame = end;
3636 video_enc->rc_override[i].qscale = q;
3637 video_enc->rc_override[i].quality_factor = 1.0;
3640 video_enc->rc_override[i].qscale = 0;
3641 video_enc->rc_override[i].quality_factor = -q/100.0;
3646 video_enc->rc_override_count = i;
3647 if (!video_enc->rc_initial_buffer_occupancy)
3648 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3649 video_enc->intra_dc_precision = intra_dc_precision - 8;
3654 video_enc->flags |= CODEC_FLAG_PASS1;
3656 video_enc->flags |= CODEC_FLAG_PASS2;
3660 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3661 if (forced_key_frames)
3662 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3664 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3666 ost->top_field_first = -1;
3667 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3670 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3672 ost->avfilter = av_strdup(filters);
3675 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3681 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3685 AVCodecContext *audio_enc;
3687 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3690 audio_enc = st->codec;
3691 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3693 if (!ost->stream_copy) {
3694 char *sample_fmt = NULL;
3696 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3698 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3700 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3701 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3705 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3711 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3715 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3716 if (!ost->stream_copy) {
3717 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3724 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3726 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3727 ost->stream_copy = 1;
3731 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3735 AVCodecContext *subtitle_enc;
3737 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3739 subtitle_enc = st->codec;
3741 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3746 /* arg format is "output-stream-index:streamid-value". */
3747 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3753 av_strlcpy(idx_str, arg, sizeof(idx_str));
3754 p = strchr(idx_str, ':');
3756 av_log(NULL, AV_LOG_FATAL,
3757 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3762 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3763 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3764 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3768 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3770 AVFormatContext *is = ifile->ctx;
3771 AVFormatContext *os = ofile->ctx;
3774 for (i = 0; i < is->nb_chapters; i++) {
3775 AVChapter *in_ch = is->chapters[i], *out_ch;
3776 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3777 AV_TIME_BASE_Q, in_ch->time_base);
3778 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3779 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3782 if (in_ch->end < ts_off)
3784 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3787 out_ch = av_mallocz(sizeof(AVChapter));
3789 return AVERROR(ENOMEM);
3791 out_ch->id = in_ch->id;
3792 out_ch->time_base = in_ch->time_base;
3793 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3794 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3797 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3800 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
3802 return AVERROR(ENOMEM);
3803 os->chapters[os->nb_chapters - 1] = out_ch;
3808 static void opt_output_file(void *optctx, const char *filename)
3810 OptionsContext *o = optctx;
3811 AVFormatContext *oc;
3813 AVOutputFormat *file_oformat;
3817 if (!strcmp(filename, "-"))
3820 oc = avformat_alloc_context();
3822 print_error(filename, AVERROR(ENOMEM));
3827 file_oformat = av_guess_format(o->format, NULL, NULL);
3828 if (!file_oformat) {
3829 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
3833 file_oformat = av_guess_format(NULL, filename, NULL);
3834 if (!file_oformat) {
3835 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3841 oc->oformat = file_oformat;
3842 oc->interrupt_callback = int_cb;
3843 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3845 if (!o->nb_stream_maps) {
3846 /* pick the "best" stream of each type */
3847 #define NEW_STREAM(type, index)\
3849 ost = new_ ## type ## _stream(o, oc);\
3850 ost->source_index = index;\
3851 ost->sync_ist = &input_streams[index];\
3852 input_streams[index].discard = 0;\
3855 /* video: highest resolution */
3856 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3857 int area = 0, idx = -1;
3858 for (i = 0; i < nb_input_streams; i++) {
3859 ist = &input_streams[i];
3860 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3861 ist->st->codec->width * ist->st->codec->height > area) {
3862 area = ist->st->codec->width * ist->st->codec->height;
3866 NEW_STREAM(video, idx);
3869 /* audio: most channels */
3870 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3871 int channels = 0, idx = -1;
3872 for (i = 0; i < nb_input_streams; i++) {
3873 ist = &input_streams[i];
3874 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3875 ist->st->codec->channels > channels) {
3876 channels = ist->st->codec->channels;
3880 NEW_STREAM(audio, idx);
3883 /* subtitles: pick first */
3884 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3885 for (i = 0; i < nb_input_streams; i++)
3886 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3887 NEW_STREAM(subtitle, i);
3891 /* do something with data? */
3893 for (i = 0; i < o->nb_stream_maps; i++) {
3894 StreamMap *map = &o->stream_maps[i];
3899 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3900 switch (ist->st->codec->codec_type) {
3901 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3902 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3903 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3904 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3905 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3907 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3908 map->file_index, map->stream_index);
3912 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3913 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3914 map->sync_stream_index];
3919 /* handle attached files */
3920 for (i = 0; i < o->nb_attachments; i++) {
3922 uint8_t *attachment;
3926 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3927 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3931 if ((len = avio_size(pb)) <= 0) {
3932 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3936 if (!(attachment = av_malloc(len))) {
3937 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3941 avio_read(pb, attachment, len);
3943 ost = new_attachment_stream(o, oc);
3944 ost->stream_copy = 0;
3945 ost->source_index = -1;
3946 ost->attachment_filename = o->attachments[i];
3947 ost->st->codec->extradata = attachment;
3948 ost->st->codec->extradata_size = len;
3950 p = strrchr(o->attachments[i], '/');
3951 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3955 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3956 output_files[nb_output_files - 1].ctx = oc;
3957 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3958 output_files[nb_output_files - 1].recording_time = o->recording_time;
3959 if (o->recording_time != INT64_MAX)
3960 oc->duration = o->recording_time;
3961 output_files[nb_output_files - 1].start_time = o->start_time;
3962 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3963 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3965 /* check filename in case of an image number is expected */
3966 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3967 if (!av_filename_number_test(oc->filename)) {
3968 print_error(oc->filename, AVERROR(EINVAL));
3973 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3974 /* test if it already exists to avoid losing precious files */
3975 assert_file_overwrite(filename);
3978 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
3979 &oc->interrupt_callback,
3980 &output_files[nb_output_files - 1].opts)) < 0) {
3981 print_error(filename, err);
3986 if (o->mux_preload) {
3988 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
3989 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
3991 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3992 oc->flags |= AVFMT_FLAG_NONBLOCK;
3995 for (i = 0; i < o->nb_metadata_map; i++) {
3997 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
3999 if (in_file_index < 0)
4001 if (in_file_index >= nb_input_files) {
4002 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4005 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4009 if (o->chapters_input_file >= nb_input_files) {
4010 if (o->chapters_input_file == INT_MAX) {
4011 /* copy chapters from the first input file that has them*/
4012 o->chapters_input_file = -1;
4013 for (i = 0; i < nb_input_files; i++)
4014 if (input_files[i].ctx->nb_chapters) {
4015 o->chapters_input_file = i;
4019 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4020 o->chapters_input_file);
4024 if (o->chapters_input_file >= 0)
4025 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4026 !o->metadata_chapters_manual);
4028 /* copy global metadata by default */
4029 if (!o->metadata_global_manual && nb_input_files)
4030 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4031 AV_DICT_DONT_OVERWRITE);
4032 if (!o->metadata_streams_manual)
4033 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4035 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4037 ist = &input_streams[output_streams[i].source_index];
4038 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4041 /* process manually set metadata */
4042 for (i = 0; i < o->nb_metadata; i++) {
4045 const char *stream_spec;
4046 int index = 0, j, ret;
4048 val = strchr(o->metadata[i].u.str, '=');
4050 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4051 o->metadata[i].u.str);
4056 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4058 for (j = 0; j < oc->nb_streams; j++) {
4059 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4060 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4064 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4072 if (index < 0 || index >= oc->nb_chapters) {
4073 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4076 m = &oc->chapters[index]->metadata;
4079 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4082 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4089 /* same option as mencoder */
4090 static int opt_pass(const char *opt, const char *arg)
4092 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4096 static int64_t getutime(void)
4099 struct rusage rusage;
4101 getrusage(RUSAGE_SELF, &rusage);
4102 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4103 #elif HAVE_GETPROCESSTIMES
4105 FILETIME c, e, k, u;
4106 proc = GetCurrentProcess();
4107 GetProcessTimes(proc, &c, &e, &k, &u);
4108 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4110 return av_gettime();
4114 static int64_t getmaxrss(void)
4116 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4117 struct rusage rusage;
4118 getrusage(RUSAGE_SELF, &rusage);
4119 return (int64_t)rusage.ru_maxrss * 1024;
4120 #elif HAVE_GETPROCESSMEMORYINFO
4122 PROCESS_MEMORY_COUNTERS memcounters;
4123 proc = GetCurrentProcess();
4124 memcounters.cb = sizeof(memcounters);
4125 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4126 return memcounters.PeakPagefileUsage;
4132 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4134 return parse_option(o, "q:a", arg, options);
4137 static void show_usage(void)
4139 printf("Hyper fast Audio and Video encoder\n");
4140 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4144 static void show_help(void)
4146 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4147 av_log_set_callback(log_callback_help);
4149 show_help_options(options, "Main options:\n",
4150 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4151 show_help_options(options, "\nAdvanced options:\n",
4152 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4154 show_help_options(options, "\nVideo options:\n",
4155 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4157 show_help_options(options, "\nAdvanced Video options:\n",
4158 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4159 OPT_VIDEO | OPT_EXPERT);
4160 show_help_options(options, "\nAudio options:\n",
4161 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4163 show_help_options(options, "\nAdvanced Audio options:\n",
4164 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4165 OPT_AUDIO | OPT_EXPERT);
4166 show_help_options(options, "\nSubtitle options:\n",
4167 OPT_SUBTITLE | OPT_GRAB,
4169 show_help_options(options, "\nAudio/Video grab options:\n",
4173 show_help_children(avcodec_get_class(), flags);
4174 show_help_children(avformat_get_class(), flags);
4175 show_help_children(sws_get_class(), flags);
4178 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4180 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4181 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4183 if (!strncmp(arg, "pal-", 4)) {
4186 } else if (!strncmp(arg, "ntsc-", 5)) {
4189 } else if (!strncmp(arg, "film-", 5)) {
4193 /* Try to determine PAL/NTSC by peeking in the input files */
4194 if (nb_input_files) {
4196 for (j = 0; j < nb_input_files; j++) {
4197 for (i = 0; i < input_files[j].nb_streams; i++) {
4198 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4199 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4201 fr = c->time_base.den * 1000 / c->time_base.num;
4205 } else if ((fr == 29970) || (fr == 23976)) {
4210 if (norm != UNKNOWN)
4214 if (norm != UNKNOWN)
4215 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4218 if (norm == UNKNOWN) {
4219 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4220 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4221 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4225 if (!strcmp(arg, "vcd")) {
4226 opt_video_codec(o, "c:v", "mpeg1video");
4227 opt_audio_codec(o, "c:a", "mp2");
4228 parse_option(o, "f", "vcd", options);
4230 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4231 parse_option(o, "r", frame_rates[norm], options);
4232 opt_default("g", norm == PAL ? "15" : "18");
4234 opt_default("b", "1150000");
4235 opt_default("maxrate", "1150000");
4236 opt_default("minrate", "1150000");
4237 opt_default("bufsize", "327680"); // 40*1024*8;
4239 opt_default("b:a", "224000");
4240 parse_option(o, "ar", "44100", options);
4241 parse_option(o, "ac", "2", options);
4243 opt_default("packetsize", "2324");
4244 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4246 /* We have to offset the PTS, so that it is consistent with the SCR.
4247 SCR starts at 36000, but the first two packs contain only padding
4248 and the first pack from the other stream, respectively, may also have
4249 been written before.
4250 So the real data starts at SCR 36000+3*1200. */
4251 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4252 } else if (!strcmp(arg, "svcd")) {
4254 opt_video_codec(o, "c:v", "mpeg2video");
4255 opt_audio_codec(o, "c:a", "mp2");
4256 parse_option(o, "f", "svcd", options);
4258 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4259 parse_option(o, "r", frame_rates[norm], options);
4260 opt_default("g", norm == PAL ? "15" : "18");
4262 opt_default("b", "2040000");
4263 opt_default("maxrate", "2516000");
4264 opt_default("minrate", "0"); // 1145000;
4265 opt_default("bufsize", "1835008"); // 224*1024*8;
4266 opt_default("flags", "+scan_offset");
4269 opt_default("b:a", "224000");
4270 parse_option(o, "ar", "44100", options);
4272 opt_default("packetsize", "2324");
4274 } else if (!strcmp(arg, "dvd")) {
4276 opt_video_codec(o, "c:v", "mpeg2video");
4277 opt_audio_codec(o, "c:a", "ac3");
4278 parse_option(o, "f", "dvd", options);
4280 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4281 parse_option(o, "r", frame_rates[norm], options);
4282 opt_default("g", norm == PAL ? "15" : "18");
4284 opt_default("b", "6000000");
4285 opt_default("maxrate", "9000000");
4286 opt_default("minrate", "0"); // 1500000;
4287 opt_default("bufsize", "1835008"); // 224*1024*8;
4289 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4290 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4292 opt_default("b:a", "448000");
4293 parse_option(o, "ar", "48000", options);
4295 } else if (!strncmp(arg, "dv", 2)) {
4297 parse_option(o, "f", "dv", options);
4299 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4300 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4301 norm == PAL ? "yuv420p" : "yuv411p", options);
4302 parse_option(o, "r", frame_rates[norm], options);
4304 parse_option(o, "ar", "48000", options);
4305 parse_option(o, "ac", "2", options);
4308 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4309 return AVERROR(EINVAL);
4314 static int opt_vstats_file(const char *opt, const char *arg)
4316 av_free (vstats_filename);
4317 vstats_filename = av_strdup (arg);
4321 static int opt_vstats(const char *opt, const char *arg)
4324 time_t today2 = time(NULL);
4325 struct tm *today = localtime(&today2);
4327 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4329 return opt_vstats_file(opt, filename);
4332 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4334 return parse_option(o, "frames:v", arg, options);
4337 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4339 return parse_option(o, "frames:a", arg, options);
4342 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4344 return parse_option(o, "frames:d", arg, options);
4347 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4349 return parse_option(o, "tag:v", arg, options);
4352 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4354 return parse_option(o, "tag:a", arg, options);
4357 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4359 return parse_option(o, "tag:s", arg, options);
4362 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4364 return parse_option(o, "filter:v", arg, options);
4367 static int opt_vsync(const char *opt, const char *arg)
4369 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4370 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4371 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4373 if (video_sync_method == VSYNC_AUTO)
4374 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4378 static int opt_deinterlace(const char *opt, const char *arg)
4380 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4385 #define OFFSET(x) offsetof(OptionsContext, x)
4386 static const OptionDef options[] = {
4388 #include "cmdutils_common_opts.h"
4389 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4390 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4391 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4392 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4393 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4394 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4395 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4396 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4397 "outfile[,metadata]:infile[,metadata]" },
4398 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4399 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4400 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4401 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4402 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4403 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4404 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4405 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4406 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4407 "add timings for benchmarking" },
4408 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4409 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4410 "dump each input packet" },
4411 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4412 "when dumping packets, also dump the payload" },
4413 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4414 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4415 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4416 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4417 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4418 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4419 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4420 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4421 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4422 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4423 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4424 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4425 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4426 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4427 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4429 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4431 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4432 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4433 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4436 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4437 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4438 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4439 { "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" },
4440 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4441 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4442 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4443 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4444 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4445 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4446 "use same quantizer as source (implies VBR)" },
4447 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4448 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4449 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
4450 "this option is deprecated, use the yadif filter instead" },
4451 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4452 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4454 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4456 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4457 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4458 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4459 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4460 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4461 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4462 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4463 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4464 { "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" },
4467 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4468 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4469 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4470 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4471 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4472 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4473 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4474 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4475 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4477 /* subtitle options */
4478 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4479 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4480 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4483 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4486 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4487 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4489 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4491 /* data codec support */
4492 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4494 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4498 int main(int argc, char **argv)
4500 OptionsContext o = { 0 };
4505 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4506 parse_loglevel(argc, argv, options);
4508 avcodec_register_all();
4510 avdevice_register_all();
4513 avfilter_register_all();
4516 avformat_network_init();
4521 parse_options(&o, argc, argv, options, opt_output_file);
4523 if (nb_output_files <= 0 && nb_input_files == 0) {
4525 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4529 /* file converter / grab */
4530 if (nb_output_files <= 0) {
4531 fprintf(stderr, "At least one output file must be specified\n");
4535 if (nb_input_files == 0) {
4536 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4541 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4543 ti = getutime() - ti;
4545 int maxrss = getmaxrss() / 1024;
4546 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);