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;
1359 double sync_ipts, delta;
1361 enc = ost->st->codec;
1363 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1364 delta = sync_ipts - ost->sync_opts;
1366 /* by default, we output a single frame */
1371 format_video_sync = video_sync_method;
1372 if (format_video_sync == VSYNC_AUTO)
1373 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1374 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
1376 switch (format_video_sync) {
1378 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1381 else if (delta > 1.1)
1382 nb_frames = lrintf(delta);
1387 else if (delta > 0.6)
1388 ost->sync_opts = lrintf(sync_ipts);
1390 case VSYNC_PASSTHROUGH:
1391 ost->sync_opts = lrintf(sync_ipts);
1397 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1398 if (nb_frames == 0) {
1400 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1402 } else if (nb_frames > 1) {
1403 nb_frames_dup += nb_frames - 1;
1404 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1407 #if !CONFIG_AVFILTER
1408 do_video_resample(ost, ist, in_picture, &final_picture);
1410 final_picture = in_picture;
1413 if (!ost->frame_number)
1414 ost->first_pts = ost->sync_opts;
1416 /* duplicates frame if needed */
1417 for (i = 0; i < nb_frames; i++) {
1419 av_init_packet(&pkt);
1423 if (!check_recording_time(ost))
1426 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1427 enc->codec->id == CODEC_ID_RAWVIDEO) {
1428 /* raw pictures are written as AVPicture structure to
1429 avoid any copies. We support temporarily the older
1431 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1432 enc->coded_frame->top_field_first = in_picture->top_field_first;
1433 pkt.data = (uint8_t *)final_picture;
1434 pkt.size = sizeof(AVPicture);
1435 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1436 pkt.flags |= AV_PKT_FLAG_KEY;
1438 write_frame(s, &pkt, ost);
1441 AVFrame big_picture;
1443 big_picture = *final_picture;
1444 /* better than nothing: use input picture interlaced
1446 big_picture.interlaced_frame = in_picture->interlaced_frame;
1447 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1448 if (ost->top_field_first == -1)
1449 big_picture.top_field_first = in_picture->top_field_first;
1451 big_picture.top_field_first = !!ost->top_field_first;
1454 /* handles same_quant here. This is not correct because it may
1455 not be a global option */
1456 big_picture.quality = quality;
1457 if (!enc->me_threshold)
1458 big_picture.pict_type = 0;
1459 big_picture.pts = ost->sync_opts;
1460 if (ost->forced_kf_index < ost->forced_kf_count &&
1461 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1462 big_picture.pict_type = AV_PICTURE_TYPE_I;
1463 ost->forced_kf_index++;
1465 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1467 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1472 if (pkt.pts != AV_NOPTS_VALUE)
1473 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1474 if (pkt.dts != AV_NOPTS_VALUE)
1475 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1477 write_frame(s, &pkt, ost);
1481 /* if two pass, output log */
1482 if (ost->logfile && enc->stats_out) {
1483 fprintf(ost->logfile, "%s", enc->stats_out);
1489 * For video, number of frames in == number of packets out.
1490 * But there may be reordering, so we can't throw away frames on encoder
1491 * flush, we need to limit them here, before they go into encoder.
1493 ost->frame_number++;
1497 static double psnr(double d)
1499 return -10.0 * log(d) / log(10.0);
1502 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1505 AVCodecContext *enc;
1507 double ti1, bitrate, avg_bitrate;
1509 /* this is executed just the first time do_video_stats is called */
1511 vstats_file = fopen(vstats_filename, "w");
1518 enc = ost->st->codec;
1519 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1520 frame_number = ost->frame_number;
1521 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1522 if (enc->flags&CODEC_FLAG_PSNR)
1523 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1525 fprintf(vstats_file,"f_size= %6d ", frame_size);
1526 /* compute pts value */
1527 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1531 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1532 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1533 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1534 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1535 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1539 static void print_report(OutputFile *output_files,
1540 OutputStream *ost_table, int nb_ostreams,
1541 int is_last_report, int64_t timer_start)
1545 AVFormatContext *oc;
1547 AVCodecContext *enc;
1548 int frame_number, vid, i;
1549 double bitrate, ti1, pts;
1550 static int64_t last_time = -1;
1551 static int qp_histogram[52];
1553 if (!print_stats && !is_last_report)
1556 if (!is_last_report) {
1558 /* display the report every 0.5 seconds */
1559 cur_time = av_gettime();
1560 if (last_time == -1) {
1561 last_time = cur_time;
1564 if ((cur_time - last_time) < 500000)
1566 last_time = cur_time;
1570 oc = output_files[0].ctx;
1572 total_size = avio_size(oc->pb);
1573 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1574 total_size = avio_tell(oc->pb);
1579 for (i = 0; i < nb_ostreams; i++) {
1581 ost = &ost_table[i];
1582 enc = ost->st->codec;
1583 if (!ost->stream_copy && enc->coded_frame)
1584 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1585 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1586 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1588 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1589 float t = (av_gettime() - timer_start) / 1000000.0;
1591 frame_number = ost->frame_number;
1592 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1593 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1595 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1599 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1601 for (j = 0; j < 32; j++)
1602 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1604 if (enc->flags&CODEC_FLAG_PSNR) {
1606 double error, error_sum = 0;
1607 double scale, scale_sum = 0;
1608 char type[3] = { 'Y','U','V' };
1609 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1610 for (j = 0; j < 3; j++) {
1611 if (is_last_report) {
1612 error = enc->error[j];
1613 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1615 error = enc->coded_frame->error[j];
1616 scale = enc->width * enc->height * 255.0 * 255.0;
1622 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1624 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1628 /* compute min output value */
1629 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1630 if ((pts < ti1) && (pts > 0))
1636 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1638 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1639 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1640 (double)total_size / 1024, ti1, bitrate);
1642 if (nb_frames_dup || nb_frames_drop)
1643 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1644 nb_frames_dup, nb_frames_drop);
1646 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1650 if (is_last_report) {
1651 int64_t raw= audio_size + video_size + extra_size;
1652 av_log(NULL, AV_LOG_INFO, "\n");
1653 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1654 video_size / 1024.0,
1655 audio_size / 1024.0,
1656 extra_size / 1024.0,
1657 100.0 * (total_size - raw) / raw
1662 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1666 for (i = 0; i < nb_ostreams; i++) {
1667 OutputStream *ost = &ost_table[i];
1668 AVCodecContext *enc = ost->st->codec;
1669 AVFormatContext *os = output_files[ost->file_index].ctx;
1670 int stop_encoding = 0;
1672 if (!ost->encoding_needed)
1675 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1677 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1682 int fifo_bytes, got_packet;
1683 av_init_packet(&pkt);
1687 switch (ost->st->codec->codec_type) {
1688 case AVMEDIA_TYPE_AUDIO:
1689 fifo_bytes = av_fifo_size(ost->fifo);
1690 if (fifo_bytes > 0) {
1691 /* encode any samples remaining in fifo */
1692 int frame_bytes = fifo_bytes;
1694 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1696 /* pad last frame with silence if needed */
1697 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1698 frame_bytes = enc->frame_size * enc->channels *
1699 av_get_bytes_per_sample(enc->sample_fmt);
1700 if (allocated_audio_buf_size < frame_bytes)
1702 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1704 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1706 /* flush encoder with NULL frames until it is done
1707 returning packets */
1708 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1714 case AVMEDIA_TYPE_VIDEO:
1715 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1717 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1721 if (ost->logfile && enc->stats_out) {
1722 fprintf(ost->logfile, "%s", enc->stats_out);
1728 if (pkt.pts != AV_NOPTS_VALUE)
1729 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1730 if (pkt.dts != AV_NOPTS_VALUE)
1731 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1732 write_frame(os, &pkt, ost);
1744 * Check whether a packet from ist should be written into ost at this time
1746 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1748 OutputFile *of = &output_files[ost->file_index];
1749 int ist_index = ist - input_streams;
1751 if (ost->source_index != ist_index)
1754 if (of->start_time && ist->last_dts < of->start_time)
1760 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1762 OutputFile *of = &output_files[ost->file_index];
1763 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1766 av_init_packet(&opkt);
1768 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1769 !ost->copy_initial_nonkeyframes)
1772 if (of->recording_time != INT64_MAX &&
1773 ist->last_dts >= of->recording_time + of->start_time) {
1774 ost->is_past_recording_time = 1;
1778 /* force the input stream PTS */
1779 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1780 audio_size += pkt->size;
1781 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1782 video_size += pkt->size;
1786 if (pkt->pts != AV_NOPTS_VALUE)
1787 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1789 opkt.pts = AV_NOPTS_VALUE;
1791 if (pkt->dts == AV_NOPTS_VALUE)
1792 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1794 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1795 opkt.dts -= ost_tb_start_time;
1797 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1798 opkt.flags = pkt->flags;
1800 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1801 if ( ost->st->codec->codec_id != CODEC_ID_H264
1802 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1803 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1804 && ost->st->codec->codec_id != CODEC_ID_VC1
1806 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1807 opkt.destruct = av_destruct_packet;
1809 opkt.data = pkt->data;
1810 opkt.size = pkt->size;
1813 write_frame(of->ctx, &opkt, ost);
1814 ost->st->codec->frame_number++;
1815 av_free_packet(&opkt);
1818 static void rate_emu_sleep(InputStream *ist)
1820 if (input_files[ist->file_index].rate_emu) {
1821 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
1822 int64_t now = av_gettime() - ist->start;
1828 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1830 AVFrame *decoded_frame;
1831 AVCodecContext *avctx = ist->st->codec;
1832 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1835 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1836 return AVERROR(ENOMEM);
1838 avcodec_get_frame_defaults(ist->decoded_frame);
1839 decoded_frame = ist->decoded_frame;
1841 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1847 /* no audio frame */
1851 /* if the decoder provides a pts, use it instead of the last packet pts.
1852 the decoder could be delaying output by a packet or more. */
1853 if (decoded_frame->pts != AV_NOPTS_VALUE)
1854 ist->next_dts = decoded_frame->pts;
1856 /* increment next_dts to use for the case where the input stream does not
1857 have timestamps or there are multiple frames in the packet */
1858 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1861 // preprocess audio (volume)
1862 if (audio_volume != 256) {
1863 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1864 void *samples = decoded_frame->data[0];
1865 switch (avctx->sample_fmt) {
1866 case AV_SAMPLE_FMT_U8:
1868 uint8_t *volp = samples;
1869 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1870 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1871 *volp++ = av_clip_uint8(v);
1875 case AV_SAMPLE_FMT_S16:
1877 int16_t *volp = samples;
1878 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1879 int v = ((*volp) * audio_volume + 128) >> 8;
1880 *volp++ = av_clip_int16(v);
1884 case AV_SAMPLE_FMT_S32:
1886 int32_t *volp = samples;
1887 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1888 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1889 *volp++ = av_clipl_int32(v);
1893 case AV_SAMPLE_FMT_FLT:
1895 float *volp = samples;
1896 float scale = audio_volume / 256.f;
1897 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1902 case AV_SAMPLE_FMT_DBL:
1904 double *volp = samples;
1905 double scale = audio_volume / 256.;
1906 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1912 av_log(NULL, AV_LOG_FATAL,
1913 "Audio volume adjustment on sample format %s is not supported.\n",
1914 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1919 rate_emu_sleep(ist);
1921 for (i = 0; i < nb_output_streams; i++) {
1922 OutputStream *ost = &output_streams[i];
1924 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1926 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1932 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1934 AVFrame *decoded_frame, *filtered_frame = NULL;
1935 void *buffer_to_free = NULL;
1939 int frame_available = 1;
1942 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1943 return AVERROR(ENOMEM);
1945 avcodec_get_frame_defaults(ist->decoded_frame);
1946 decoded_frame = ist->decoded_frame;
1947 pkt->pts = *pkt_pts;
1948 pkt->dts = ist->last_dts;
1949 *pkt_pts = AV_NOPTS_VALUE;
1951 ret = avcodec_decode_video2(ist->st->codec,
1952 decoded_frame, got_output, pkt);
1956 quality = same_quant ? decoded_frame->quality : 0;
1958 /* no picture yet */
1961 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1962 decoded_frame->pkt_dts);
1964 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1966 rate_emu_sleep(ist);
1968 for (i = 0; i < nb_output_streams; i++) {
1969 OutputStream *ost = &output_streams[i];
1970 int frame_size, resample_changed;
1972 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1976 resample_changed = ost->resample_width != decoded_frame->width ||
1977 ost->resample_height != decoded_frame->height ||
1978 ost->resample_pix_fmt != decoded_frame->format;
1979 if (resample_changed) {
1980 av_log(NULL, AV_LOG_INFO,
1981 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1982 ist->file_index, ist->st->index,
1983 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1984 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1986 avfilter_graph_free(&ost->graph);
1987 if (configure_video_filters(ist, ost)) {
1988 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1992 ost->resample_width = decoded_frame->width;
1993 ost->resample_height = decoded_frame->height;
1994 ost->resample_pix_fmt = decoded_frame->format;
1997 if (ist->st->sample_aspect_ratio.num)
1998 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1999 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
2000 FrameBuffer *buf = decoded_frame->opaque;
2001 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2002 decoded_frame->data, decoded_frame->linesize,
2003 AV_PERM_READ | AV_PERM_PRESERVE,
2004 ist->st->codec->width, ist->st->codec->height,
2005 ist->st->codec->pix_fmt);
2007 avfilter_copy_frame_props(fb, decoded_frame);
2008 fb->buf->priv = buf;
2009 fb->buf->free = filter_release_buffer;
2012 av_buffersrc_buffer(ost->input_video_filter, fb);
2014 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
2015 decoded_frame->pts, decoded_frame->sample_aspect_ratio);
2017 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2018 av_free(buffer_to_free);
2019 return AVERROR(ENOMEM);
2021 avcodec_get_frame_defaults(ist->filtered_frame);
2022 filtered_frame = ist->filtered_frame;
2024 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2025 while (frame_available) {
2026 AVRational ist_pts_tb;
2027 if (ost->output_video_filter)
2028 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
2030 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2031 if (ost->picref->video && !ost->frame_aspect_ratio)
2032 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2034 filtered_frame = decoded_frame;
2037 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2038 same_quant ? quality : ost->st->codec->global_quality);
2039 if (vstats_filename && frame_size)
2040 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2042 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2044 avfilter_unref_buffer(ost->picref);
2049 av_free(buffer_to_free);
2053 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2055 AVSubtitle subtitle;
2056 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2057 &subtitle, got_output, pkt);
2063 rate_emu_sleep(ist);
2065 for (i = 0; i < nb_output_streams; i++) {
2066 OutputStream *ost = &output_streams[i];
2068 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2071 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2074 avsubtitle_free(&subtitle);
2078 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2079 static int output_packet(InputStream *ist,
2080 OutputStream *ost_table, int nb_ostreams,
2081 const AVPacket *pkt)
2085 int64_t pkt_pts = AV_NOPTS_VALUE;
2088 if (ist->next_dts == AV_NOPTS_VALUE)
2089 ist->next_dts = ist->last_dts;
2093 av_init_packet(&avpkt);
2101 if (pkt->dts != AV_NOPTS_VALUE)
2102 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2103 if (pkt->pts != AV_NOPTS_VALUE)
2104 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2106 // while we have more to decode or while the decoder did output something on EOF
2107 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2111 ist->last_dts = ist->next_dts;
2113 if (avpkt.size && avpkt.size != pkt->size) {
2114 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2115 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2116 ist->showed_multi_packet_warning = 1;
2119 switch (ist->st->codec->codec_type) {
2120 case AVMEDIA_TYPE_AUDIO:
2121 ret = transcode_audio (ist, &avpkt, &got_output);
2123 case AVMEDIA_TYPE_VIDEO:
2124 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2126 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2127 else if (ist->st->r_frame_rate.num)
2128 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2129 ist->st->r_frame_rate.num},
2131 else if (ist->st->codec->time_base.num != 0) {
2132 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2133 ist->st->codec->ticks_per_frame;
2134 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2137 case AVMEDIA_TYPE_SUBTITLE:
2138 ret = transcode_subtitles(ist, &avpkt, &got_output);
2146 // touch data and size only if not EOF
2156 /* handle stream copy */
2157 if (!ist->decoding_needed) {
2158 rate_emu_sleep(ist);
2159 ist->last_dts = ist->next_dts;
2160 switch (ist->st->codec->codec_type) {
2161 case AVMEDIA_TYPE_AUDIO:
2162 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2163 ist->st->codec->sample_rate;
2165 case AVMEDIA_TYPE_VIDEO:
2166 if (ist->st->codec->time_base.num != 0) {
2167 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2168 ist->next_dts += ((int64_t)AV_TIME_BASE *
2169 ist->st->codec->time_base.num * ticks) /
2170 ist->st->codec->time_base.den;
2175 for (i = 0; pkt && i < nb_ostreams; i++) {
2176 OutputStream *ost = &ost_table[i];
2178 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2181 do_streamcopy(ist, ost, pkt);
2187 static void print_sdp(OutputFile *output_files, int n)
2191 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2195 for (i = 0; i < n; i++)
2196 avc[i] = output_files[i].ctx;
2198 av_sdp_create(avc, n, sdp, sizeof(sdp));
2199 printf("SDP:\n%s\n", sdp);
2204 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2205 char *error, int error_len)
2208 InputStream *ist = &input_streams[ist_index];
2209 if (ist->decoding_needed) {
2210 AVCodec *codec = ist->dec;
2212 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2213 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2214 return AVERROR(EINVAL);
2217 /* update requested sample format for the decoder based on the
2218 corresponding encoder sample format */
2219 for (i = 0; i < nb_output_streams; i++) {
2220 OutputStream *ost = &output_streams[i];
2221 if (ost->source_index == ist_index) {
2222 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2227 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2228 ist->st->codec->get_buffer = codec_get_buffer;
2229 ist->st->codec->release_buffer = codec_release_buffer;
2230 ist->st->codec->opaque = ist;
2233 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2234 av_dict_set(&ist->opts, "threads", "auto", 0);
2235 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2236 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2237 ist->file_index, ist->st->index);
2238 return AVERROR(EINVAL);
2240 assert_codec_experimental(ist->st->codec, 0);
2241 assert_avoptions(ist->opts);
2244 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;
2245 ist->next_dts = AV_NOPTS_VALUE;
2246 init_pts_correction(&ist->pts_ctx);
2252 static int transcode_init(OutputFile *output_files,
2253 int nb_output_files,
2254 InputFile *input_files,
2257 int ret = 0, i, j, k;
2258 AVFormatContext *oc;
2259 AVCodecContext *codec, *icodec;
2265 /* init framerate emulation */
2266 for (i = 0; i < nb_input_files; i++) {
2267 InputFile *ifile = &input_files[i];
2268 if (ifile->rate_emu)
2269 for (j = 0; j < ifile->nb_streams; j++)
2270 input_streams[j + ifile->ist_index].start = av_gettime();
2273 /* output stream init */
2274 for (i = 0; i < nb_output_files; i++) {
2275 oc = output_files[i].ctx;
2276 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2277 av_dump_format(oc, i, oc->filename, 1);
2278 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2279 return AVERROR(EINVAL);
2283 /* for each output stream, we compute the right encoding parameters */
2284 for (i = 0; i < nb_output_streams; i++) {
2285 ost = &output_streams[i];
2286 oc = output_files[ost->file_index].ctx;
2287 ist = &input_streams[ost->source_index];
2289 if (ost->attachment_filename)
2292 codec = ost->st->codec;
2293 icodec = ist->st->codec;
2295 ost->st->disposition = ist->st->disposition;
2296 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2297 codec->chroma_sample_location = icodec->chroma_sample_location;
2299 if (ost->stream_copy) {
2300 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2302 if (extra_size > INT_MAX) {
2303 return AVERROR(EINVAL);
2306 /* if stream_copy is selected, no need to decode or encode */
2307 codec->codec_id = icodec->codec_id;
2308 codec->codec_type = icodec->codec_type;
2310 if (!codec->codec_tag) {
2311 if (!oc->oformat->codec_tag ||
2312 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2313 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2314 codec->codec_tag = icodec->codec_tag;
2317 codec->bit_rate = icodec->bit_rate;
2318 codec->rc_max_rate = icodec->rc_max_rate;
2319 codec->rc_buffer_size = icodec->rc_buffer_size;
2320 codec->field_order = icodec->field_order;
2321 codec->extradata = av_mallocz(extra_size);
2322 if (!codec->extradata) {
2323 return AVERROR(ENOMEM);
2325 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2326 codec->extradata_size = icodec->extradata_size;
2328 codec->time_base = icodec->time_base;
2329 codec->time_base.num *= icodec->ticks_per_frame;
2330 av_reduce(&codec->time_base.num, &codec->time_base.den,
2331 codec->time_base.num, codec->time_base.den, INT_MAX);
2333 codec->time_base = ist->st->time_base;
2335 switch (codec->codec_type) {
2336 case AVMEDIA_TYPE_AUDIO:
2337 if (audio_volume != 256) {
2338 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2341 codec->channel_layout = icodec->channel_layout;
2342 codec->sample_rate = icodec->sample_rate;
2343 codec->channels = icodec->channels;
2344 codec->frame_size = icodec->frame_size;
2345 codec->audio_service_type = icodec->audio_service_type;
2346 codec->block_align = icodec->block_align;
2348 case AVMEDIA_TYPE_VIDEO:
2349 codec->pix_fmt = icodec->pix_fmt;
2350 codec->width = icodec->width;
2351 codec->height = icodec->height;
2352 codec->has_b_frames = icodec->has_b_frames;
2353 if (!codec->sample_aspect_ratio.num) {
2354 codec->sample_aspect_ratio =
2355 ost->st->sample_aspect_ratio =
2356 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2357 ist->st->codec->sample_aspect_ratio.num ?
2358 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2361 case AVMEDIA_TYPE_SUBTITLE:
2362 codec->width = icodec->width;
2363 codec->height = icodec->height;
2365 case AVMEDIA_TYPE_DATA:
2366 case AVMEDIA_TYPE_ATTACHMENT:
2373 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2375 ist->decoding_needed = 1;
2376 ost->encoding_needed = 1;
2378 switch (codec->codec_type) {
2379 case AVMEDIA_TYPE_AUDIO:
2380 ost->fifo = av_fifo_alloc(1024);
2382 return AVERROR(ENOMEM);
2384 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2386 if (!codec->sample_rate)
2387 codec->sample_rate = icodec->sample_rate;
2388 choose_sample_rate(ost->st, ost->enc);
2389 codec->time_base = (AVRational){ 1, codec->sample_rate };
2391 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2392 codec->sample_fmt = icodec->sample_fmt;
2393 choose_sample_fmt(ost->st, ost->enc);
2395 if (!codec->channels)
2396 codec->channels = icodec->channels;
2397 codec->channel_layout = icodec->channel_layout;
2398 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2399 codec->channel_layout = 0;
2401 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2402 icodec->request_channels = codec-> channels;
2403 ost->resample_sample_fmt = icodec->sample_fmt;
2404 ost->resample_sample_rate = icodec->sample_rate;
2405 ost->resample_channels = icodec->channels;
2407 case AVMEDIA_TYPE_VIDEO:
2408 if (codec->pix_fmt == PIX_FMT_NONE)
2409 codec->pix_fmt = icodec->pix_fmt;
2410 choose_pixel_fmt(ost->st, ost->enc);
2412 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2413 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2417 if (!codec->width || !codec->height) {
2418 codec->width = icodec->width;
2419 codec->height = icodec->height;
2422 ost->video_resample = codec->width != icodec->width ||
2423 codec->height != icodec->height ||
2424 codec->pix_fmt != icodec->pix_fmt;
2425 if (ost->video_resample) {
2426 #if !CONFIG_AVFILTER
2427 avcodec_get_frame_defaults(&ost->pict_tmp);
2428 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2429 codec->width, codec->height)) {
2430 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2433 ost->img_resample_ctx = sws_getContext(
2440 ost->sws_flags, NULL, NULL, NULL);
2441 if (ost->img_resample_ctx == NULL) {
2442 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2446 codec->bits_per_raw_sample = 0;
2449 ost->resample_height = icodec->height;
2450 ost->resample_width = icodec->width;
2451 ost->resample_pix_fmt = icodec->pix_fmt;
2454 * We want CFR output if and only if one of those is true:
2455 * 1) user specified output framerate with -r
2456 * 2) user specified -vsync cfr
2457 * 3) output format is CFR and the user didn't force vsync to
2458 * something else than CFR
2460 * in such a case, set ost->frame_rate
2462 if (!ost->frame_rate.num &&
2463 (video_sync_method == VSYNC_CFR ||
2464 (video_sync_method == VSYNC_AUTO &&
2465 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2466 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2467 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2468 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2469 ost->frame_rate = ost->enc->supported_framerates[idx];
2472 if (ost->frame_rate.num) {
2473 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2474 video_sync_method = VSYNC_CFR;
2476 codec->time_base = ist->st->time_base;
2479 if (configure_video_filters(ist, ost)) {
2480 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2485 case AVMEDIA_TYPE_SUBTITLE:
2486 codec->time_base = (AVRational){1, 1000};
2493 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2494 char logfilename[1024];
2497 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2498 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2500 if (codec->flags & CODEC_FLAG_PASS1) {
2501 f = fopen(logfilename, "wb");
2503 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2504 logfilename, strerror(errno));
2510 size_t logbuffer_size;
2511 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2512 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2516 codec->stats_in = logbuffer;
2522 /* open each encoder */
2523 for (i = 0; i < nb_output_streams; i++) {
2524 ost = &output_streams[i];
2525 if (ost->encoding_needed) {
2526 AVCodec *codec = ost->enc;
2527 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2529 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2530 ost->st->codec->codec_id, ost->file_index, ost->index);
2531 ret = AVERROR(EINVAL);
2534 if (dec->subtitle_header) {
2535 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2536 if (!ost->st->codec->subtitle_header) {
2537 ret = AVERROR(ENOMEM);
2540 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2541 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2543 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2544 av_dict_set(&ost->opts, "threads", "auto", 0);
2545 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2546 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2547 ost->file_index, ost->index);
2548 ret = AVERROR(EINVAL);
2551 assert_codec_experimental(ost->st->codec, 1);
2552 assert_avoptions(ost->opts);
2553 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2554 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2555 "It takes bits/s as argument, not kbits/s\n");
2556 extra_size += ost->st->codec->extradata_size;
2558 if (ost->st->codec->me_threshold)
2559 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2563 /* init input streams */
2564 for (i = 0; i < nb_input_streams; i++)
2565 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2568 /* discard unused programs */
2569 for (i = 0; i < nb_input_files; i++) {
2570 InputFile *ifile = &input_files[i];
2571 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2572 AVProgram *p = ifile->ctx->programs[j];
2573 int discard = AVDISCARD_ALL;
2575 for (k = 0; k < p->nb_stream_indexes; k++)
2576 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2577 discard = AVDISCARD_DEFAULT;
2580 p->discard = discard;
2584 /* open files and write file headers */
2585 for (i = 0; i < nb_output_files; i++) {
2586 oc = output_files[i].ctx;
2587 oc->interrupt_callback = int_cb;
2588 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2589 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2590 ret = AVERROR(EINVAL);
2593 assert_avoptions(output_files[i].opts);
2594 if (strcmp(oc->oformat->name, "rtp")) {
2600 /* dump the file output parameters - cannot be done before in case
2602 for (i = 0; i < nb_output_files; i++) {
2603 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2606 /* dump the stream mapping */
2607 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2608 for (i = 0; i < nb_output_streams; i++) {
2609 ost = &output_streams[i];
2611 if (ost->attachment_filename) {
2612 /* an attached file */
2613 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2614 ost->attachment_filename, ost->file_index, ost->index);
2617 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2618 input_streams[ost->source_index].file_index,
2619 input_streams[ost->source_index].st->index,
2622 if (ost->sync_ist != &input_streams[ost->source_index])
2623 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2624 ost->sync_ist->file_index,
2625 ost->sync_ist->st->index);
2626 if (ost->stream_copy)
2627 av_log(NULL, AV_LOG_INFO, " (copy)");
2629 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2630 input_streams[ost->source_index].dec->name : "?",
2631 ost->enc ? ost->enc->name : "?");
2632 av_log(NULL, AV_LOG_INFO, "\n");
2636 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2641 print_sdp(output_files, nb_output_files);
2648 * The following code is the main loop of the file converter
2650 static int transcode(OutputFile *output_files,
2651 int nb_output_files,
2652 InputFile *input_files,
2656 AVFormatContext *is, *os;
2660 int no_packet_count = 0;
2661 int64_t timer_start;
2663 if (!(no_packet = av_mallocz(nb_input_files)))
2666 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2670 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2673 timer_start = av_gettime();
2675 for (; received_sigterm == 0;) {
2676 int file_index, ist_index;
2681 ipts_min = INT64_MAX;
2684 /* select the stream that we must read now by looking at the
2685 smallest output pts */
2687 for (i = 0; i < nb_output_streams; i++) {
2691 ost = &output_streams[i];
2692 of = &output_files[ost->file_index];
2693 os = output_files[ost->file_index].ctx;
2694 ist = &input_streams[ost->source_index];
2695 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2696 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2698 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2699 ipts = ist->last_dts;
2700 if (!input_files[ist->file_index].eof_reached) {
2701 if (ipts < ipts_min) {
2704 file_index = ist->file_index;
2706 if (opts < opts_min) {
2708 if (!input_sync) file_index = ist->file_index;
2711 if (ost->frame_number >= ost->max_frames) {
2713 for (j = 0; j < of->ctx->nb_streams; j++)
2714 output_streams[of->ost_index + j].is_past_recording_time = 1;
2718 /* if none, if is finished */
2719 if (file_index < 0) {
2720 if (no_packet_count) {
2721 no_packet_count = 0;
2722 memset(no_packet, 0, nb_input_files);
2729 /* read a frame from it and output it in the fifo */
2730 is = input_files[file_index].ctx;
2731 ret = av_read_frame(is, &pkt);
2732 if (ret == AVERROR(EAGAIN)) {
2733 no_packet[file_index] = 1;
2738 input_files[file_index].eof_reached = 1;
2745 no_packet_count = 0;
2746 memset(no_packet, 0, nb_input_files);
2749 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2750 is->streams[pkt.stream_index]);
2752 /* the following test is needed in case new streams appear
2753 dynamically in stream : we ignore them */
2754 if (pkt.stream_index >= input_files[file_index].nb_streams)
2755 goto discard_packet;
2756 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2757 ist = &input_streams[ist_index];
2759 goto discard_packet;
2761 if (pkt.dts != AV_NOPTS_VALUE)
2762 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2763 if (pkt.pts != AV_NOPTS_VALUE)
2764 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2766 if (pkt.pts != AV_NOPTS_VALUE)
2767 pkt.pts *= ist->ts_scale;
2768 if (pkt.dts != AV_NOPTS_VALUE)
2769 pkt.dts *= ist->ts_scale;
2771 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2773 // pkt.dts, input_files[ist->file_index].ts_offset,
2774 // ist->st->codec->codec_type);
2775 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
2776 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2777 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2778 int64_t delta = pkt_dts - ist->next_dts;
2779 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2780 input_files[ist->file_index].ts_offset -= delta;
2781 av_log(NULL, AV_LOG_DEBUG,
2782 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2783 delta, input_files[ist->file_index].ts_offset);
2784 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2785 if (pkt.pts != AV_NOPTS_VALUE)
2786 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2790 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2791 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2793 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2794 ist->file_index, ist->st->index);
2797 av_free_packet(&pkt);
2802 av_free_packet(&pkt);
2804 /* dump report by using the output first video and audio streams */
2805 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2808 /* at the end of stream, we must flush the decoder buffers */
2809 for (i = 0; i < nb_input_streams; i++) {
2810 ist = &input_streams[i];
2811 if (ist->decoding_needed) {
2812 output_packet(ist, output_streams, nb_output_streams, NULL);
2815 flush_encoders(output_streams, nb_output_streams);
2819 /* write the trailer if needed and close file */
2820 for (i = 0; i < nb_output_files; i++) {
2821 os = output_files[i].ctx;
2822 av_write_trailer(os);
2825 /* dump report by using the first video and audio streams */
2826 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2828 /* close each encoder */
2829 for (i = 0; i < nb_output_streams; i++) {
2830 ost = &output_streams[i];
2831 if (ost->encoding_needed) {
2832 av_freep(&ost->st->codec->stats_in);
2833 avcodec_close(ost->st->codec);
2836 avfilter_graph_free(&ost->graph);
2840 /* close each decoder */
2841 for (i = 0; i < nb_input_streams; i++) {
2842 ist = &input_streams[i];
2843 if (ist->decoding_needed) {
2844 avcodec_close(ist->st->codec);
2852 av_freep(&no_packet);
2854 if (output_streams) {
2855 for (i = 0; i < nb_output_streams; i++) {
2856 ost = &output_streams[i];
2858 if (ost->stream_copy)
2859 av_freep(&ost->st->codec->extradata);
2861 fclose(ost->logfile);
2862 ost->logfile = NULL;
2864 av_fifo_free(ost->fifo); /* works even if fifo is not
2865 initialized but set to zero */
2866 av_freep(&ost->st->codec->subtitle_header);
2867 av_free(ost->pict_tmp.data[0]);
2868 av_free(ost->forced_kf_pts);
2869 if (ost->video_resample)
2870 sws_freeContext(ost->img_resample_ctx);
2872 audio_resample_close(ost->resample);
2873 if (ost->reformat_ctx)
2874 av_audio_convert_free(ost->reformat_ctx);
2875 av_dict_free(&ost->opts);
2882 static double parse_frame_aspect_ratio(const char *arg)
2889 p = strchr(arg, ':');
2891 x = strtol(arg, &end, 10);
2893 y = strtol(end + 1, &end, 10);
2895 ar = (double)x / (double)y;
2897 ar = strtod(arg, NULL);
2900 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2906 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2908 return parse_option(o, "codec:a", arg, options);
2911 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2913 return parse_option(o, "codec:v", arg, options);
2916 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2918 return parse_option(o, "codec:s", arg, options);
2921 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2923 return parse_option(o, "codec:d", arg, options);
2926 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2928 StreamMap *m = NULL;
2929 int i, negative = 0, file_idx;
2930 int sync_file_idx = -1, sync_stream_idx;
2938 map = av_strdup(arg);
2940 /* parse sync stream first, just pick first matching stream */
2941 if (sync = strchr(map, ',')) {
2943 sync_file_idx = strtol(sync + 1, &sync, 0);
2944 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2945 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2950 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2951 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2952 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2953 sync_stream_idx = i;
2956 if (i == input_files[sync_file_idx].nb_streams) {
2957 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2958 "match any streams.\n", arg);
2964 file_idx = strtol(map, &p, 0);
2965 if (file_idx >= nb_input_files || file_idx < 0) {
2966 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2970 /* disable some already defined maps */
2971 for (i = 0; i < o->nb_stream_maps; i++) {
2972 m = &o->stream_maps[i];
2973 if (file_idx == m->file_index &&
2974 check_stream_specifier(input_files[m->file_index].ctx,
2975 input_files[m->file_index].ctx->streams[m->stream_index],
2976 *p == ':' ? p + 1 : p) > 0)
2980 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2981 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2982 *p == ':' ? p + 1 : p) <= 0)
2984 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2985 &o->nb_stream_maps, o->nb_stream_maps + 1);
2986 m = &o->stream_maps[o->nb_stream_maps - 1];
2988 m->file_index = file_idx;
2989 m->stream_index = i;
2991 if (sync_file_idx >= 0) {
2992 m->sync_file_index = sync_file_idx;
2993 m->sync_stream_index = sync_stream_idx;
2995 m->sync_file_index = file_idx;
2996 m->sync_stream_index = i;
3001 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3009 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3011 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3012 &o->nb_attachments, o->nb_attachments + 1);
3013 o->attachments[o->nb_attachments - 1] = arg;
3018 * Parse a metadata specifier in arg.
3019 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3020 * @param index for type c/p, chapter/program index is written here
3021 * @param stream_spec for type s, the stream specifier is written here
3023 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3031 if (*(++arg) && *arg != ':') {
3032 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3035 *stream_spec = *arg == ':' ? arg + 1 : "";
3039 if (*(++arg) == ':')
3040 *index = strtol(++arg, NULL, 0);
3043 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3050 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3052 AVDictionary **meta_in = NULL;
3053 AVDictionary **meta_out;
3055 char type_in, type_out;
3056 const char *istream_spec = NULL, *ostream_spec = NULL;
3057 int idx_in = 0, idx_out = 0;
3059 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3060 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3062 if (type_in == 'g' || type_out == 'g')
3063 o->metadata_global_manual = 1;
3064 if (type_in == 's' || type_out == 's')
3065 o->metadata_streams_manual = 1;
3066 if (type_in == 'c' || type_out == 'c')
3067 o->metadata_chapters_manual = 1;
3069 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3070 if ((index) < 0 || (index) >= (nb_elems)) {\
3071 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3076 #define SET_DICT(type, meta, context, index)\
3079 meta = &context->metadata;\
3082 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3083 meta = &context->chapters[index]->metadata;\
3086 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3087 meta = &context->programs[index]->metadata;\
3091 SET_DICT(type_in, meta_in, ic, idx_in);
3092 SET_DICT(type_out, meta_out, oc, idx_out);
3094 /* for input streams choose first matching stream */
3095 if (type_in == 's') {
3096 for (i = 0; i < ic->nb_streams; i++) {
3097 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3098 meta_in = &ic->streams[i]->metadata;
3104 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3109 if (type_out == 's') {
3110 for (i = 0; i < oc->nb_streams; i++) {
3111 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3112 meta_out = &oc->streams[i]->metadata;
3113 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3118 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3123 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3125 const char *codec_string = encoder ? "encoder" : "decoder";
3129 avcodec_find_encoder_by_name(name) :
3130 avcodec_find_decoder_by_name(name);
3132 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3135 if (codec->type != type) {
3136 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3142 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3144 char *codec_name = NULL;
3146 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3148 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3149 st->codec->codec_id = codec->id;
3152 return avcodec_find_decoder(st->codec->codec_id);
3156 * Add all the streams from the given input file to the global
3157 * list of input streams.
3159 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3163 for (i = 0; i < ic->nb_streams; i++) {
3164 AVStream *st = ic->streams[i];
3165 AVCodecContext *dec = st->codec;
3168 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3169 ist = &input_streams[nb_input_streams - 1];
3171 ist->file_index = nb_input_files;
3173 st->discard = AVDISCARD_ALL;
3174 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3176 ist->ts_scale = 1.0;
3177 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3179 ist->dec = choose_decoder(o, ic, st);
3181 switch (dec->codec_type) {
3182 case AVMEDIA_TYPE_VIDEO:
3184 dec->flags |= CODEC_FLAG_EMU_EDGE;
3185 dec->height >>= dec->lowres;
3186 dec->width >>= dec->lowres;
3190 case AVMEDIA_TYPE_AUDIO:
3191 case AVMEDIA_TYPE_DATA:
3192 case AVMEDIA_TYPE_SUBTITLE:
3193 case AVMEDIA_TYPE_ATTACHMENT:
3194 case AVMEDIA_TYPE_UNKNOWN:
3202 static void assert_file_overwrite(const char *filename)
3204 if (!file_overwrite &&
3205 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3206 av_strstart(filename, "file:", NULL))) {
3207 if (avio_check(filename, 0) == 0) {
3209 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3211 if (!read_yesno()) {
3212 fprintf(stderr, "Not overwriting - exiting\n");
3217 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3224 static void dump_attachment(AVStream *st, const char *filename)
3227 AVIOContext *out = NULL;
3228 AVDictionaryEntry *e;
3230 if (!st->codec->extradata_size) {
3231 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3232 nb_input_files - 1, st->index);
3235 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3236 filename = e->value;
3238 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3239 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3243 assert_file_overwrite(filename);
3245 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3246 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3251 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3256 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3258 AVFormatContext *ic;
3259 AVInputFormat *file_iformat = NULL;
3263 AVDictionary **opts;
3264 int orig_nb_streams; // number of streams before avformat_find_stream_info
3267 if (!(file_iformat = av_find_input_format(o->format))) {
3268 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3273 if (!strcmp(filename, "-"))
3276 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3277 !strcmp(filename, "/dev/stdin");
3279 /* get default parameters from command line */
3280 ic = avformat_alloc_context();
3282 print_error(filename, AVERROR(ENOMEM));
3285 if (o->nb_audio_sample_rate) {
3286 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3287 av_dict_set(&format_opts, "sample_rate", buf, 0);
3289 if (o->nb_audio_channels) {
3290 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3291 av_dict_set(&format_opts, "channels", buf, 0);
3293 if (o->nb_frame_rates) {
3294 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3296 if (o->nb_frame_sizes) {
3297 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3299 if (o->nb_frame_pix_fmts)
3300 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3302 ic->flags |= AVFMT_FLAG_NONBLOCK;
3303 ic->interrupt_callback = int_cb;
3305 /* open the input file with generic libav function */
3306 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3308 print_error(filename, err);
3311 assert_avoptions(format_opts);
3313 /* apply forced codec ids */
3314 for (i = 0; i < ic->nb_streams; i++)
3315 choose_decoder(o, ic, ic->streams[i]);
3317 /* Set AVCodecContext options for avformat_find_stream_info */
3318 opts = setup_find_stream_info_opts(ic, codec_opts);
3319 orig_nb_streams = ic->nb_streams;
3321 /* If not enough info to get the stream parameters, we decode the
3322 first frames to get it. (used in mpeg case for example) */
3323 ret = avformat_find_stream_info(ic, opts);
3325 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3326 avformat_close_input(&ic);
3330 timestamp = o->start_time;
3331 /* add the stream start time */
3332 if (ic->start_time != AV_NOPTS_VALUE)
3333 timestamp += ic->start_time;
3335 /* if seeking requested, we execute it */
3336 if (o->start_time != 0) {
3337 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3339 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3340 filename, (double)timestamp / AV_TIME_BASE);
3344 /* update the current parameters so that they match the one of the input stream */
3345 add_input_streams(o, ic);
3347 /* dump the file content */
3348 av_dump_format(ic, nb_input_files, filename, 0);
3350 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3351 input_files[nb_input_files - 1].ctx = ic;
3352 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3353 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3354 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3355 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3357 for (i = 0; i < o->nb_dump_attachment; i++) {
3360 for (j = 0; j < ic->nb_streams; j++) {
3361 AVStream *st = ic->streams[j];
3363 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3364 dump_attachment(st, o->dump_attachment[i].u.str);
3368 for (i = 0; i < orig_nb_streams; i++)
3369 av_dict_free(&opts[i]);
3376 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3377 AVCodecContext *avctx)
3383 for (p = kf; *p; p++)
3386 ost->forced_kf_count = n;
3387 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3388 if (!ost->forced_kf_pts) {
3389 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3392 for (i = 0; i < n; i++) {
3393 p = i ? strchr(p, ',') + 1 : kf;
3394 t = parse_time_or_die("force_key_frames", p, 1);
3395 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3399 static uint8_t *get_line(AVIOContext *s)
3405 if (avio_open_dyn_buf(&line) < 0) {
3406 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3410 while ((c = avio_r8(s)) && c != '\n')
3413 avio_close_dyn_buf(line, &buf);
3418 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3421 char filename[1000];
3422 const char *base[3] = { getenv("AVCONV_DATADIR"),
3427 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3431 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3432 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3433 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3436 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3437 i != 1 ? "" : "/.avconv", preset_name);
3438 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3444 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3446 char *codec_name = NULL;
3448 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3450 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3451 NULL, ost->st->codec->codec_type);
3452 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3453 } else if (!strcmp(codec_name, "copy"))
3454 ost->stream_copy = 1;
3456 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3457 ost->st->codec->codec_id = ost->enc->id;
3461 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3464 AVStream *st = avformat_new_stream(oc, NULL);
3465 int idx = oc->nb_streams - 1, ret = 0;
3466 char *bsf = NULL, *next, *codec_tag = NULL;
3467 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3469 char *buf = NULL, *arg = NULL, *preset = NULL;
3470 AVIOContext *s = NULL;
3473 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3477 if (oc->nb_streams - 1 < o->nb_streamid_map)
3478 st->id = o->streamid_map[oc->nb_streams - 1];
3480 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3481 nb_output_streams + 1);
3482 ost = &output_streams[nb_output_streams - 1];
3483 ost->file_index = nb_output_files;
3486 st->codec->codec_type = type;
3487 choose_encoder(o, oc, ost);
3489 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3492 avcodec_get_context_defaults3(st->codec, ost->enc);
3493 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3495 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3496 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3499 if (!buf[0] || buf[0] == '#') {
3503 if (!(arg = strchr(buf, '='))) {
3504 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3508 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3510 } while (!s->eof_reached);
3514 av_log(NULL, AV_LOG_FATAL,
3515 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3516 preset, ost->file_index, ost->index);
3520 ost->max_frames = INT64_MAX;
3521 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3523 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3525 if (next = strchr(bsf, ','))
3527 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3528 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3532 bsfc_prev->next = bsfc;
3534 ost->bitstream_filters = bsfc;
3540 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3542 uint32_t tag = strtol(codec_tag, &next, 0);
3544 tag = AV_RL32(codec_tag);
3545 st->codec->codec_tag = tag;
3548 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3549 if (qscale >= 0 || same_quant) {
3550 st->codec->flags |= CODEC_FLAG_QSCALE;
3551 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3554 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3555 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3557 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3561 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3564 const char *p = str;
3571 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3578 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3582 AVCodecContext *video_enc;
3584 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3586 video_enc = st->codec;
3588 if (!ost->stream_copy) {
3589 const char *p = NULL;
3590 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3591 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3592 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3595 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3596 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3597 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3601 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3602 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3603 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3607 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3608 if (frame_aspect_ratio)
3609 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3611 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3612 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3613 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3616 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3618 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3620 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3621 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3624 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3626 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3628 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3629 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3632 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3635 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3636 for (i = 0; p; i++) {
3638 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3640 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3643 video_enc->rc_override =
3644 av_realloc(video_enc->rc_override,
3645 sizeof(RcOverride) * (i + 1));
3646 video_enc->rc_override[i].start_frame = start;
3647 video_enc->rc_override[i].end_frame = end;
3649 video_enc->rc_override[i].qscale = q;
3650 video_enc->rc_override[i].quality_factor = 1.0;
3653 video_enc->rc_override[i].qscale = 0;
3654 video_enc->rc_override[i].quality_factor = -q/100.0;
3659 video_enc->rc_override_count = i;
3660 if (!video_enc->rc_initial_buffer_occupancy)
3661 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3662 video_enc->intra_dc_precision = intra_dc_precision - 8;
3667 video_enc->flags |= CODEC_FLAG_PASS1;
3669 video_enc->flags |= CODEC_FLAG_PASS2;
3673 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3674 if (forced_key_frames)
3675 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3677 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3679 ost->top_field_first = -1;
3680 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3683 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3685 ost->avfilter = av_strdup(filters);
3688 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3694 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3698 AVCodecContext *audio_enc;
3700 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3703 audio_enc = st->codec;
3704 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3706 if (!ost->stream_copy) {
3707 char *sample_fmt = NULL;
3709 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3711 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3713 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3714 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3718 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3724 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3728 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3729 if (!ost->stream_copy) {
3730 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3737 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3739 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3740 ost->stream_copy = 1;
3744 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3748 AVCodecContext *subtitle_enc;
3750 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3752 subtitle_enc = st->codec;
3754 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3759 /* arg format is "output-stream-index:streamid-value". */
3760 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3766 av_strlcpy(idx_str, arg, sizeof(idx_str));
3767 p = strchr(idx_str, ':');
3769 av_log(NULL, AV_LOG_FATAL,
3770 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3775 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3776 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3777 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3781 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3783 AVFormatContext *is = ifile->ctx;
3784 AVFormatContext *os = ofile->ctx;
3787 for (i = 0; i < is->nb_chapters; i++) {
3788 AVChapter *in_ch = is->chapters[i], *out_ch;
3789 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3790 AV_TIME_BASE_Q, in_ch->time_base);
3791 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3792 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3795 if (in_ch->end < ts_off)
3797 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3800 out_ch = av_mallocz(sizeof(AVChapter));
3802 return AVERROR(ENOMEM);
3804 out_ch->id = in_ch->id;
3805 out_ch->time_base = in_ch->time_base;
3806 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3807 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3810 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3813 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
3815 return AVERROR(ENOMEM);
3816 os->chapters[os->nb_chapters - 1] = out_ch;
3821 static void opt_output_file(void *optctx, const char *filename)
3823 OptionsContext *o = optctx;
3824 AVFormatContext *oc;
3826 AVOutputFormat *file_oformat;
3830 if (!strcmp(filename, "-"))
3833 oc = avformat_alloc_context();
3835 print_error(filename, AVERROR(ENOMEM));
3840 file_oformat = av_guess_format(o->format, NULL, NULL);
3841 if (!file_oformat) {
3842 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
3846 file_oformat = av_guess_format(NULL, filename, NULL);
3847 if (!file_oformat) {
3848 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3854 oc->oformat = file_oformat;
3855 oc->interrupt_callback = int_cb;
3856 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3858 if (!o->nb_stream_maps) {
3859 /* pick the "best" stream of each type */
3860 #define NEW_STREAM(type, index)\
3862 ost = new_ ## type ## _stream(o, oc);\
3863 ost->source_index = index;\
3864 ost->sync_ist = &input_streams[index];\
3865 input_streams[index].discard = 0;\
3866 input_streams[index].st->discard = AVDISCARD_NONE;\
3869 /* video: highest resolution */
3870 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3871 int area = 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_VIDEO &&
3875 ist->st->codec->width * ist->st->codec->height > area) {
3876 area = ist->st->codec->width * ist->st->codec->height;
3880 NEW_STREAM(video, idx);
3883 /* audio: most channels */
3884 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3885 int channels = 0, idx = -1;
3886 for (i = 0; i < nb_input_streams; i++) {
3887 ist = &input_streams[i];
3888 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3889 ist->st->codec->channels > channels) {
3890 channels = ist->st->codec->channels;
3894 NEW_STREAM(audio, idx);
3897 /* subtitles: pick first */
3898 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3899 for (i = 0; i < nb_input_streams; i++)
3900 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3901 NEW_STREAM(subtitle, i);
3905 /* do something with data? */
3907 for (i = 0; i < o->nb_stream_maps; i++) {
3908 StreamMap *map = &o->stream_maps[i];
3913 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3914 switch (ist->st->codec->codec_type) {
3915 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3916 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3917 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3918 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3919 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3921 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3922 map->file_index, map->stream_index);
3926 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3927 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3928 map->sync_stream_index];
3930 ist->st->discard = AVDISCARD_NONE;
3934 /* handle attached files */
3935 for (i = 0; i < o->nb_attachments; i++) {
3937 uint8_t *attachment;
3941 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3942 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3946 if ((len = avio_size(pb)) <= 0) {
3947 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3951 if (!(attachment = av_malloc(len))) {
3952 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3956 avio_read(pb, attachment, len);
3958 ost = new_attachment_stream(o, oc);
3959 ost->stream_copy = 0;
3960 ost->source_index = -1;
3961 ost->attachment_filename = o->attachments[i];
3962 ost->st->codec->extradata = attachment;
3963 ost->st->codec->extradata_size = len;
3965 p = strrchr(o->attachments[i], '/');
3966 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3970 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3971 output_files[nb_output_files - 1].ctx = oc;
3972 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3973 output_files[nb_output_files - 1].recording_time = o->recording_time;
3974 if (o->recording_time != INT64_MAX)
3975 oc->duration = o->recording_time;
3976 output_files[nb_output_files - 1].start_time = o->start_time;
3977 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3978 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3980 /* check filename in case of an image number is expected */
3981 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3982 if (!av_filename_number_test(oc->filename)) {
3983 print_error(oc->filename, AVERROR(EINVAL));
3988 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3989 /* test if it already exists to avoid losing precious files */
3990 assert_file_overwrite(filename);
3993 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
3994 &oc->interrupt_callback,
3995 &output_files[nb_output_files - 1].opts)) < 0) {
3996 print_error(filename, err);
4001 if (o->mux_preload) {
4003 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4004 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4006 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4007 oc->flags |= AVFMT_FLAG_NONBLOCK;
4010 for (i = 0; i < o->nb_metadata_map; i++) {
4012 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4014 if (in_file_index < 0)
4016 if (in_file_index >= nb_input_files) {
4017 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4020 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4024 if (o->chapters_input_file >= nb_input_files) {
4025 if (o->chapters_input_file == INT_MAX) {
4026 /* copy chapters from the first input file that has them*/
4027 o->chapters_input_file = -1;
4028 for (i = 0; i < nb_input_files; i++)
4029 if (input_files[i].ctx->nb_chapters) {
4030 o->chapters_input_file = i;
4034 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4035 o->chapters_input_file);
4039 if (o->chapters_input_file >= 0)
4040 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4041 !o->metadata_chapters_manual);
4043 /* copy global metadata by default */
4044 if (!o->metadata_global_manual && nb_input_files)
4045 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4046 AV_DICT_DONT_OVERWRITE);
4047 if (!o->metadata_streams_manual)
4048 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4050 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4052 ist = &input_streams[output_streams[i].source_index];
4053 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4056 /* process manually set metadata */
4057 for (i = 0; i < o->nb_metadata; i++) {
4060 const char *stream_spec;
4061 int index = 0, j, ret;
4063 val = strchr(o->metadata[i].u.str, '=');
4065 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4066 o->metadata[i].u.str);
4071 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4073 for (j = 0; j < oc->nb_streams; j++) {
4074 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4075 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4079 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4087 if (index < 0 || index >= oc->nb_chapters) {
4088 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4091 m = &oc->chapters[index]->metadata;
4094 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4097 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4104 /* same option as mencoder */
4105 static int opt_pass(const char *opt, const char *arg)
4107 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4111 static int64_t getutime(void)
4114 struct rusage rusage;
4116 getrusage(RUSAGE_SELF, &rusage);
4117 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4118 #elif HAVE_GETPROCESSTIMES
4120 FILETIME c, e, k, u;
4121 proc = GetCurrentProcess();
4122 GetProcessTimes(proc, &c, &e, &k, &u);
4123 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4125 return av_gettime();
4129 static int64_t getmaxrss(void)
4131 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4132 struct rusage rusage;
4133 getrusage(RUSAGE_SELF, &rusage);
4134 return (int64_t)rusage.ru_maxrss * 1024;
4135 #elif HAVE_GETPROCESSMEMORYINFO
4137 PROCESS_MEMORY_COUNTERS memcounters;
4138 proc = GetCurrentProcess();
4139 memcounters.cb = sizeof(memcounters);
4140 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4141 return memcounters.PeakPagefileUsage;
4147 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4149 return parse_option(o, "q:a", arg, options);
4152 static void show_usage(void)
4154 printf("Hyper fast Audio and Video encoder\n");
4155 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4159 static void show_help(void)
4161 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4162 av_log_set_callback(log_callback_help);
4164 show_help_options(options, "Main options:\n",
4165 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4166 show_help_options(options, "\nAdvanced options:\n",
4167 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4169 show_help_options(options, "\nVideo options:\n",
4170 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4172 show_help_options(options, "\nAdvanced Video options:\n",
4173 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4174 OPT_VIDEO | OPT_EXPERT);
4175 show_help_options(options, "\nAudio options:\n",
4176 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4178 show_help_options(options, "\nAdvanced Audio options:\n",
4179 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4180 OPT_AUDIO | OPT_EXPERT);
4181 show_help_options(options, "\nSubtitle options:\n",
4182 OPT_SUBTITLE | OPT_GRAB,
4184 show_help_options(options, "\nAudio/Video grab options:\n",
4188 show_help_children(avcodec_get_class(), flags);
4189 show_help_children(avformat_get_class(), flags);
4190 show_help_children(sws_get_class(), flags);
4193 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4195 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4196 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4198 if (!strncmp(arg, "pal-", 4)) {
4201 } else if (!strncmp(arg, "ntsc-", 5)) {
4204 } else if (!strncmp(arg, "film-", 5)) {
4208 /* Try to determine PAL/NTSC by peeking in the input files */
4209 if (nb_input_files) {
4211 for (j = 0; j < nb_input_files; j++) {
4212 for (i = 0; i < input_files[j].nb_streams; i++) {
4213 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4214 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4216 fr = c->time_base.den * 1000 / c->time_base.num;
4220 } else if ((fr == 29970) || (fr == 23976)) {
4225 if (norm != UNKNOWN)
4229 if (norm != UNKNOWN)
4230 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4233 if (norm == UNKNOWN) {
4234 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4235 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4236 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4240 if (!strcmp(arg, "vcd")) {
4241 opt_video_codec(o, "c:v", "mpeg1video");
4242 opt_audio_codec(o, "c:a", "mp2");
4243 parse_option(o, "f", "vcd", options);
4245 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4246 parse_option(o, "r", frame_rates[norm], options);
4247 opt_default("g", norm == PAL ? "15" : "18");
4249 opt_default("b", "1150000");
4250 opt_default("maxrate", "1150000");
4251 opt_default("minrate", "1150000");
4252 opt_default("bufsize", "327680"); // 40*1024*8;
4254 opt_default("b:a", "224000");
4255 parse_option(o, "ar", "44100", options);
4256 parse_option(o, "ac", "2", options);
4258 opt_default("packetsize", "2324");
4259 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4261 /* We have to offset the PTS, so that it is consistent with the SCR.
4262 SCR starts at 36000, but the first two packs contain only padding
4263 and the first pack from the other stream, respectively, may also have
4264 been written before.
4265 So the real data starts at SCR 36000+3*1200. */
4266 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4267 } else if (!strcmp(arg, "svcd")) {
4269 opt_video_codec(o, "c:v", "mpeg2video");
4270 opt_audio_codec(o, "c:a", "mp2");
4271 parse_option(o, "f", "svcd", options);
4273 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4274 parse_option(o, "r", frame_rates[norm], options);
4275 opt_default("g", norm == PAL ? "15" : "18");
4277 opt_default("b", "2040000");
4278 opt_default("maxrate", "2516000");
4279 opt_default("minrate", "0"); // 1145000;
4280 opt_default("bufsize", "1835008"); // 224*1024*8;
4281 opt_default("flags", "+scan_offset");
4284 opt_default("b:a", "224000");
4285 parse_option(o, "ar", "44100", options);
4287 opt_default("packetsize", "2324");
4289 } else if (!strcmp(arg, "dvd")) {
4291 opt_video_codec(o, "c:v", "mpeg2video");
4292 opt_audio_codec(o, "c:a", "ac3");
4293 parse_option(o, "f", "dvd", options);
4295 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4296 parse_option(o, "r", frame_rates[norm], options);
4297 opt_default("g", norm == PAL ? "15" : "18");
4299 opt_default("b", "6000000");
4300 opt_default("maxrate", "9000000");
4301 opt_default("minrate", "0"); // 1500000;
4302 opt_default("bufsize", "1835008"); // 224*1024*8;
4304 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4305 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4307 opt_default("b:a", "448000");
4308 parse_option(o, "ar", "48000", options);
4310 } else if (!strncmp(arg, "dv", 2)) {
4312 parse_option(o, "f", "dv", options);
4314 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4315 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4316 norm == PAL ? "yuv420p" : "yuv411p", options);
4317 parse_option(o, "r", frame_rates[norm], options);
4319 parse_option(o, "ar", "48000", options);
4320 parse_option(o, "ac", "2", options);
4323 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4324 return AVERROR(EINVAL);
4329 static int opt_vstats_file(const char *opt, const char *arg)
4331 av_free (vstats_filename);
4332 vstats_filename = av_strdup (arg);
4336 static int opt_vstats(const char *opt, const char *arg)
4339 time_t today2 = time(NULL);
4340 struct tm *today = localtime(&today2);
4342 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4344 return opt_vstats_file(opt, filename);
4347 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4349 return parse_option(o, "frames:v", arg, options);
4352 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4354 return parse_option(o, "frames:a", arg, options);
4357 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4359 return parse_option(o, "frames:d", arg, options);
4362 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4364 return parse_option(o, "tag:v", arg, options);
4367 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4369 return parse_option(o, "tag:a", arg, options);
4372 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4374 return parse_option(o, "tag:s", arg, options);
4377 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4379 return parse_option(o, "filter:v", arg, options);
4382 static int opt_vsync(const char *opt, const char *arg)
4384 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4385 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4386 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4388 if (video_sync_method == VSYNC_AUTO)
4389 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4393 static int opt_deinterlace(const char *opt, const char *arg)
4395 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4400 #define OFFSET(x) offsetof(OptionsContext, x)
4401 static const OptionDef options[] = {
4403 #include "cmdutils_common_opts.h"
4404 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4405 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4406 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4407 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4408 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4409 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4410 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4411 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4412 "outfile[,metadata]:infile[,metadata]" },
4413 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4414 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4415 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4416 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4417 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4418 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4419 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4420 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4421 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4422 "add timings for benchmarking" },
4423 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4424 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4425 "dump each input packet" },
4426 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4427 "when dumping packets, also dump the payload" },
4428 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4429 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4430 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4431 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4432 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4433 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4434 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4435 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4436 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4437 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4438 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4439 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4440 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4441 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4442 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4444 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4446 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4447 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4448 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4451 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4452 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4453 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4454 { "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" },
4455 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4456 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4457 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4458 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4459 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4460 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4461 "use same quantizer as source (implies VBR)" },
4462 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4463 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4464 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
4465 "this option is deprecated, use the yadif filter instead" },
4466 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4467 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4469 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4471 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4472 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4473 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4474 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4475 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4476 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4477 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4478 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4479 { "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" },
4482 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4483 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4484 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4485 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4486 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4487 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4488 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4489 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4490 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4492 /* subtitle options */
4493 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4494 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4495 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4498 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4501 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4502 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4504 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4506 /* data codec support */
4507 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4509 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4513 int main(int argc, char **argv)
4515 OptionsContext o = { 0 };
4520 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4521 parse_loglevel(argc, argv, options);
4523 avcodec_register_all();
4525 avdevice_register_all();
4528 avfilter_register_all();
4531 avformat_network_init();
4536 parse_options(&o, argc, argv, options, opt_output_file);
4538 if (nb_output_files <= 0 && nb_input_files == 0) {
4540 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4544 /* file converter / grab */
4545 if (nb_output_files <= 0) {
4546 fprintf(stderr, "At least one output file must be specified\n");
4550 if (nb_input_files == 0) {
4551 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4556 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4558 ti = getutime() - ti;
4560 int maxrss = getmaxrss() / 1024;
4561 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);