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 int64_t next_pts; /* synthetic pts for cases where pkt.pts
173 int64_t pts; /* current pts */
174 PtsCorrectionContext pts_ctx;
176 int is_start; /* is 1 at the start and after a discontinuity */
177 int showed_multi_packet_warning;
180 /* a pool of free buffers for decoded data */
181 FrameBuffer *buffer_pool;
184 typedef struct InputFile {
185 AVFormatContext *ctx;
186 int eof_reached; /* true if eof reached */
187 int ist_index; /* index of first stream in ist_table */
188 int buffer_size; /* current total buffer size */
190 int nb_streams; /* number of stream that avconv is aware of; may be different
191 from ctx.nb_streams if new streams appear during av_read_frame() */
195 typedef struct OutputStream {
196 int file_index; /* file index */
197 int index; /* stream index in the output file */
198 int source_index; /* InputStream index */
199 AVStream *st; /* stream in the output file */
200 int encoding_needed; /* true if encoding needed for this stream */
202 /* input pts and corresponding output pts
204 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
205 struct InputStream *sync_ist; /* input stream to sync against */
206 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
207 AVBitStreamFilterContext *bitstream_filters;
210 AVFrame *output_frame;
214 AVFrame pict_tmp; /* temporary image for resampling */
215 struct SwsContext *img_resample_ctx; /* for image resampling */
218 int resample_pix_fmt;
219 AVRational frame_rate;
223 float frame_aspect_ratio;
225 /* forced key frames */
226 int64_t *forced_kf_pts;
232 ReSampleContext *resample; /* for audio resampling */
233 int resample_sample_fmt;
234 int resample_channels;
235 int resample_sample_rate;
237 AVAudioConvert *reformat_ctx;
238 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
242 AVFilterContext *output_video_filter;
243 AVFilterContext *input_video_filter;
244 AVFilterBufferRef *picref;
246 AVFilterGraph *graph;
251 int is_past_recording_time;
253 const char *attachment_filename;
254 int copy_initial_nonkeyframes;
258 typedef struct OutputFile {
259 AVFormatContext *ctx;
261 int ost_index; /* index of the first stream in output_streams */
262 int64_t recording_time; /* desired length of the resulting file in microseconds */
263 int64_t start_time; /* start time in microseconds */
264 uint64_t limit_filesize;
267 static InputStream *input_streams = NULL;
268 static int nb_input_streams = 0;
269 static InputFile *input_files = NULL;
270 static int nb_input_files = 0;
272 static OutputStream *output_streams = NULL;
273 static int nb_output_streams = 0;
274 static OutputFile *output_files = NULL;
275 static int nb_output_files = 0;
277 typedef struct OptionsContext {
278 /* input/output options */
282 SpecifierOpt *codec_names;
284 SpecifierOpt *audio_channels;
285 int nb_audio_channels;
286 SpecifierOpt *audio_sample_rate;
287 int nb_audio_sample_rate;
288 SpecifierOpt *frame_rates;
290 SpecifierOpt *frame_sizes;
292 SpecifierOpt *frame_pix_fmts;
293 int nb_frame_pix_fmts;
296 int64_t input_ts_offset;
299 SpecifierOpt *ts_scale;
301 SpecifierOpt *dump_attachment;
302 int nb_dump_attachment;
305 StreamMap *stream_maps;
307 /* first item specifies output metadata, second is input */
308 MetadataMap (*meta_data_maps)[2];
309 int nb_meta_data_maps;
310 int metadata_global_manual;
311 int metadata_streams_manual;
312 int metadata_chapters_manual;
313 const char **attachments;
316 int chapters_input_file;
318 int64_t recording_time;
319 uint64_t limit_filesize;
325 int subtitle_disable;
328 /* indexed by output file stream index */
332 SpecifierOpt *metadata;
334 SpecifierOpt *max_frames;
336 SpecifierOpt *bitstream_filters;
337 int nb_bitstream_filters;
338 SpecifierOpt *codec_tags;
340 SpecifierOpt *sample_fmts;
342 SpecifierOpt *qscale;
344 SpecifierOpt *forced_key_frames;
345 int nb_forced_key_frames;
346 SpecifierOpt *force_fps;
348 SpecifierOpt *frame_aspect_ratios;
349 int nb_frame_aspect_ratios;
350 SpecifierOpt *rc_overrides;
352 SpecifierOpt *intra_matrices;
353 int nb_intra_matrices;
354 SpecifierOpt *inter_matrices;
355 int nb_inter_matrices;
356 SpecifierOpt *top_field_first;
357 int nb_top_field_first;
358 SpecifierOpt *metadata_map;
360 SpecifierOpt *presets;
362 SpecifierOpt *copy_initial_nonkeyframes;
363 int nb_copy_initial_nonkeyframes;
365 SpecifierOpt *filters;
370 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
373 for (i = 0; i < o->nb_ ## name; i++) {\
374 char *spec = o->name[i].specifier;\
375 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
376 outvar = o->name[i].u.type;\
382 static void reset_options(OptionsContext *o)
384 const OptionDef *po = options;
386 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
388 void *dst = (uint8_t*)o + po->u.off;
390 if (po->flags & OPT_SPEC) {
391 SpecifierOpt **so = dst;
392 int i, *count = (int*)(so + 1);
393 for (i = 0; i < *count; i++) {
394 av_freep(&(*so)[i].specifier);
395 if (po->flags & OPT_STRING)
396 av_freep(&(*so)[i].u.str);
400 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
405 av_freep(&o->stream_maps);
406 av_freep(&o->meta_data_maps);
407 av_freep(&o->streamid_map);
409 memset(o, 0, sizeof(*o));
411 o->mux_max_delay = 0.7;
412 o->recording_time = INT64_MAX;
413 o->limit_filesize = UINT64_MAX;
414 o->chapters_input_file = INT_MAX;
420 static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
422 AVCodecContext *s = ist->st->codec;
423 FrameBuffer *buf = av_mallocz(sizeof(*buf));
425 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
426 int h_chroma_shift, v_chroma_shift;
427 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
428 int w = s->width, h = s->height;
431 return AVERROR(ENOMEM);
433 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
438 avcodec_align_dimensions(s, &w, &h);
439 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
440 s->pix_fmt, 32)) < 0) {
444 /* XXX this shouldn't be needed, but some tests break without this line
445 * those decoders are buggy and need to be fixed.
446 * the following tests fail:
447 * bethsoft-vid, cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
449 memset(buf->base[0], 128, ret);
451 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
452 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
453 const int h_shift = i==0 ? 0 : h_chroma_shift;
454 const int v_shift = i==0 ? 0 : v_chroma_shift;
455 if (s->flags & CODEC_FLAG_EMU_EDGE)
456 buf->data[i] = buf->base[i];
458 buf->data[i] = buf->base[i] +
459 FFALIGN((buf->linesize[i]*edge >> v_shift) +
460 (pixel_size*edge >> h_shift), 32);
464 buf->pix_fmt = s->pix_fmt;
471 static void free_buffer_pool(InputStream *ist)
473 FrameBuffer *buf = ist->buffer_pool;
475 ist->buffer_pool = buf->next;
476 av_freep(&buf->base[0]);
478 buf = ist->buffer_pool;
482 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
484 av_assert0(buf->refcount);
486 if (!buf->refcount) {
487 buf->next = ist->buffer_pool;
488 ist->buffer_pool = buf;
492 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
494 InputStream *ist = s->opaque;
498 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
501 buf = ist->buffer_pool;
502 ist->buffer_pool = buf->next;
504 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
505 av_freep(&buf->base[0]);
507 if ((ret = alloc_buffer(ist, &buf)) < 0)
513 frame->type = FF_BUFFER_TYPE_USER;
514 frame->extended_data = frame->data;
515 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
517 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
518 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
519 frame->data[i] = buf->data[i];
520 frame->linesize[i] = buf->linesize[i];
526 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
528 InputStream *ist = s->opaque;
529 FrameBuffer *buf = frame->opaque;
532 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
533 frame->data[i] = NULL;
535 unref_buffer(ist, buf);
538 static void filter_release_buffer(AVFilterBuffer *fb)
540 FrameBuffer *buf = fb->priv;
542 unref_buffer(buf->ist, buf);
547 static int configure_video_filters(InputStream *ist, OutputStream *ost)
549 AVFilterContext *last_filter, *filter;
550 /** filter graph containing all filters including input & output */
551 AVCodecContext *codec = ost->st->codec;
552 AVCodecContext *icodec = ist->st->codec;
553 SinkContext sink_ctx = { .pix_fmt = codec->pix_fmt };
554 AVRational sample_aspect_ratio;
558 ost->graph = avfilter_graph_alloc();
560 if (ist->st->sample_aspect_ratio.num) {
561 sample_aspect_ratio = ist->st->sample_aspect_ratio;
563 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
565 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
566 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
567 sample_aspect_ratio.num, sample_aspect_ratio.den);
569 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
570 "src", args, NULL, ost->graph);
573 ret = avfilter_graph_create_filter(&ost->output_video_filter, &sink,
574 "out", NULL, &sink_ctx, ost->graph);
577 last_filter = ost->input_video_filter;
579 if (codec->width != icodec->width || codec->height != icodec->height) {
580 snprintf(args, 255, "%d:%d:flags=0x%X",
583 (unsigned)ost->sws_flags);
584 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
585 NULL, args, NULL, ost->graph)) < 0)
587 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
589 last_filter = filter;
592 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
593 ost->graph->scale_sws_opts = av_strdup(args);
596 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
597 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
599 outputs->name = av_strdup("in");
600 outputs->filter_ctx = last_filter;
601 outputs->pad_idx = 0;
602 outputs->next = NULL;
604 inputs->name = av_strdup("out");
605 inputs->filter_ctx = ost->output_video_filter;
609 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
612 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
616 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
619 codec->width = ost->output_video_filter->inputs[0]->w;
620 codec->height = ost->output_video_filter->inputs[0]->h;
621 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
622 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
623 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
624 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
628 #endif /* CONFIG_AVFILTER */
630 static void term_exit(void)
632 av_log(NULL, AV_LOG_QUIET, "");
635 static volatile int received_sigterm = 0;
636 static volatile int received_nb_signals = 0;
639 sigterm_handler(int sig)
641 received_sigterm = sig;
642 received_nb_signals++;
646 static void term_init(void)
648 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
649 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
651 signal(SIGXCPU, sigterm_handler);
655 static int decode_interrupt_cb(void *ctx)
657 return received_nb_signals > 1;
660 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
662 void exit_program(int ret)
667 for (i = 0; i < nb_output_files; i++) {
668 AVFormatContext *s = output_files[i].ctx;
669 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
671 avformat_free_context(s);
672 av_dict_free(&output_files[i].opts);
674 for (i = 0; i < nb_output_streams; i++) {
675 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
677 AVBitStreamFilterContext *next = bsfc->next;
678 av_bitstream_filter_close(bsfc);
681 output_streams[i].bitstream_filters = NULL;
683 if (output_streams[i].output_frame) {
684 AVFrame *frame = output_streams[i].output_frame;
685 if (frame->extended_data != frame->data)
686 av_freep(&frame->extended_data);
691 av_freep(&output_streams[i].avfilter);
694 for (i = 0; i < nb_input_files; i++) {
695 avformat_close_input(&input_files[i].ctx);
697 for (i = 0; i < nb_input_streams; i++) {
698 av_freep(&input_streams[i].decoded_frame);
699 av_freep(&input_streams[i].filtered_frame);
700 av_dict_free(&input_streams[i].opts);
701 free_buffer_pool(&input_streams[i]);
706 av_free(vstats_filename);
708 av_freep(&input_streams);
709 av_freep(&input_files);
710 av_freep(&output_streams);
711 av_freep(&output_files);
715 allocated_audio_buf_size = 0;
720 avformat_network_deinit();
722 if (received_sigterm) {
723 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
724 (int) received_sigterm);
731 static void assert_avoptions(AVDictionary *m)
733 AVDictionaryEntry *t;
734 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
735 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
740 static void assert_codec_experimental(AVCodecContext *c, int encoder)
742 const char *codec_string = encoder ? "encoder" : "decoder";
744 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
745 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
746 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
747 "results.\nAdd '-strict experimental' if you want to use it.\n",
748 codec_string, c->codec->name);
749 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
750 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
751 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
752 codec_string, codec->name);
757 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
759 if (codec && codec->sample_fmts) {
760 const enum AVSampleFormat *p = codec->sample_fmts;
761 for (; *p != -1; p++) {
762 if (*p == st->codec->sample_fmt)
766 av_log(NULL, AV_LOG_WARNING,
767 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
768 av_get_sample_fmt_name(st->codec->sample_fmt),
770 av_get_sample_fmt_name(codec->sample_fmts[0]));
771 st->codec->sample_fmt = codec->sample_fmts[0];
777 * Update the requested input sample format based on the output sample format.
778 * This is currently only used to request float output from decoders which
779 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
780 * Ideally this will be removed in the future when decoders do not do format
781 * conversion and only output in their native format.
783 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
786 /* if sample formats match or a decoder sample format has already been
787 requested, just return */
788 if (enc->sample_fmt == dec->sample_fmt ||
789 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
792 /* if decoder supports more than one output format */
793 if (dec_codec && dec_codec->sample_fmts &&
794 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
795 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
796 const enum AVSampleFormat *p;
797 int min_dec = -1, min_inc = -1;
799 /* find a matching sample format in the encoder */
800 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
801 if (*p == enc->sample_fmt) {
802 dec->request_sample_fmt = *p;
804 } else if (*p > enc->sample_fmt) {
805 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
807 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
810 /* if none match, provide the one that matches quality closest */
811 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
812 enc->sample_fmt - min_dec;
816 static void choose_sample_rate(AVStream *st, AVCodec *codec)
818 if (codec && codec->supported_samplerates) {
819 const int *p = codec->supported_samplerates;
821 int best_dist = INT_MAX;
823 int dist = abs(st->codec->sample_rate - *p);
824 if (dist < best_dist) {
830 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
832 st->codec->sample_rate = best;
836 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
838 if (codec && codec->pix_fmts) {
839 const enum PixelFormat *p = codec->pix_fmts;
840 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
841 if (st->codec->codec_id == CODEC_ID_MJPEG) {
842 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
843 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
844 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
845 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
848 for (; *p != PIX_FMT_NONE; p++) {
849 if (*p == st->codec->pix_fmt)
852 if (*p == PIX_FMT_NONE) {
853 if (st->codec->pix_fmt != PIX_FMT_NONE)
854 av_log(NULL, AV_LOG_WARNING,
855 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
856 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
858 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
859 st->codec->pix_fmt = codec->pix_fmts[0];
865 get_sync_ipts(const OutputStream *ost)
867 const InputStream *ist = ost->sync_ist;
868 OutputFile *of = &output_files[ost->file_index];
869 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
872 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
874 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
875 AVCodecContext *avctx = ost->st->codec;
879 * Audio encoders may split the packets -- #frames in != #packets out.
880 * But there is no reordering, so we can limit the number of output packets
881 * by simply dropping them here.
882 * Counting encoded video frames needs to be done separately because of
883 * reordering, see do_video_out()
885 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
886 if (ost->frame_number >= ost->max_frames)
892 AVPacket new_pkt = *pkt;
893 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
894 &new_pkt.data, &new_pkt.size,
895 pkt->data, pkt->size,
896 pkt->flags & AV_PKT_FLAG_KEY);
899 new_pkt.destruct = av_destruct_packet;
901 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
902 bsfc->filter->name, pkt->stream_index,
903 avctx->codec ? avctx->codec->name : "copy");
913 pkt->stream_index = ost->index;
914 ret = av_interleaved_write_frame(s, pkt);
916 print_error("av_interleaved_write_frame()", ret);
921 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
923 int fill_char = 0x00;
924 if (sample_fmt == AV_SAMPLE_FMT_U8)
926 memset(buf, fill_char, size);
929 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
930 const uint8_t *buf, int buf_size)
932 AVCodecContext *enc = ost->st->codec;
933 AVFrame *frame = NULL;
937 av_init_packet(&pkt);
942 if (!ost->output_frame) {
943 ost->output_frame = avcodec_alloc_frame();
944 if (!ost->output_frame) {
945 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
949 frame = ost->output_frame;
950 if (frame->extended_data != frame->data)
951 av_freep(&frame->extended_data);
952 avcodec_get_frame_defaults(frame);
954 frame->nb_samples = buf_size /
955 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
956 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
957 buf, buf_size, 1)) < 0) {
958 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
964 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
965 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
970 if (pkt.pts != AV_NOPTS_VALUE)
971 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
972 if (pkt.duration > 0)
973 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
975 write_frame(s, &pkt, ost);
977 audio_size += pkt.size;
981 ost->sync_opts += frame->nb_samples;
986 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
987 InputStream *ist, AVFrame *decoded_frame)
990 int64_t audio_buf_size;
992 int size_out, frame_bytes, resample_changed;
993 AVCodecContext *enc = ost->st->codec;
994 AVCodecContext *dec = ist->st->codec;
995 int osize = av_get_bytes_per_sample(enc->sample_fmt);
996 int isize = av_get_bytes_per_sample(dec->sample_fmt);
997 uint8_t *buf = decoded_frame->data[0];
998 int size = decoded_frame->nb_samples * dec->channels * isize;
999 int64_t allocated_for_size = size;
1002 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1003 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1004 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1005 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1006 audio_buf_size *= osize * enc->channels;
1008 if (audio_buf_size > INT_MAX) {
1009 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1013 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1015 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1019 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
1020 ost->audio_resample = 1;
1022 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1023 ost->resample_channels != dec->channels ||
1024 ost->resample_sample_rate != dec->sample_rate;
1026 if ((ost->audio_resample && !ost->resample) || resample_changed) {
1027 if (resample_changed) {
1028 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",
1029 ist->file_index, ist->st->index,
1030 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1031 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1032 ost->resample_sample_fmt = dec->sample_fmt;
1033 ost->resample_channels = dec->channels;
1034 ost->resample_sample_rate = dec->sample_rate;
1036 audio_resample_close(ost->resample);
1038 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1039 if (audio_sync_method <= 1 &&
1040 ost->resample_sample_fmt == enc->sample_fmt &&
1041 ost->resample_channels == enc->channels &&
1042 ost->resample_sample_rate == enc->sample_rate) {
1043 ost->resample = NULL;
1044 ost->audio_resample = 0;
1045 } else if (ost->audio_resample) {
1046 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
1047 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
1048 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
1049 enc->sample_rate, dec->sample_rate,
1050 enc->sample_fmt, dec->sample_fmt,
1052 if (!ost->resample) {
1053 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1054 dec->channels, dec->sample_rate,
1055 enc->channels, enc->sample_rate);
1061 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
1062 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
1063 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
1064 if (ost->reformat_ctx)
1065 av_audio_convert_free(ost->reformat_ctx);
1066 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
1067 dec->sample_fmt, 1, NULL, 0);
1068 if (!ost->reformat_ctx) {
1069 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
1070 av_get_sample_fmt_name(dec->sample_fmt),
1071 av_get_sample_fmt_name(enc->sample_fmt));
1074 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
1077 if (audio_sync_method) {
1078 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
1079 av_fifo_size(ost->fifo) / (enc->channels * osize);
1080 int idelta = delta * dec->sample_rate / enc->sample_rate;
1081 int byte_delta = idelta * isize * dec->channels;
1083 // FIXME resample delay
1084 if (fabs(delta) > 50) {
1085 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1086 if (byte_delta < 0) {
1087 byte_delta = FFMAX(byte_delta, -size);
1090 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1091 -byte_delta / (isize * dec->channels));
1096 static uint8_t *input_tmp = NULL;
1097 input_tmp = av_realloc(input_tmp, byte_delta + size);
1099 if (byte_delta > allocated_for_size - size) {
1100 allocated_for_size = byte_delta + (int64_t)size;
1105 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1106 memcpy(input_tmp + byte_delta, buf, size);
1109 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1111 } else if (audio_sync_method > 1) {
1112 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1113 av_assert0(ost->audio_resample);
1114 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1115 delta, comp, enc->sample_rate);
1116 // 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));
1117 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1121 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1122 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1124 if (ost->audio_resample) {
1126 size_out = audio_resample(ost->resample,
1127 (short *)buftmp, (short *)buf,
1128 size / (dec->channels * isize));
1129 size_out = size_out * enc->channels * osize;
1135 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1136 const void *ibuf[6] = { buftmp };
1137 void *obuf[6] = { audio_buf };
1138 int istride[6] = { isize };
1139 int ostride[6] = { osize };
1140 int len = size_out / istride[0];
1141 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
1142 printf("av_audio_convert() failed\n");
1148 size_out = len * osize;
1151 /* now encode as many frames as possible */
1152 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1153 /* output resampled raw samples */
1154 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1155 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1158 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1160 frame_bytes = enc->frame_size * osize * enc->channels;
1162 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1163 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1164 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1167 encode_audio_frame(s, ost, buftmp, size_out);
1171 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1173 AVCodecContext *dec;
1174 AVPicture *picture2;
1175 AVPicture picture_tmp;
1178 dec = ist->st->codec;
1180 /* deinterlace : must be done before any resize */
1181 if (do_deinterlace) {
1184 /* create temporary picture */
1185 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1186 buf = av_malloc(size);
1190 picture2 = &picture_tmp;
1191 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1193 if (avpicture_deinterlace(picture2, picture,
1194 dec->pix_fmt, dec->width, dec->height) < 0) {
1195 /* if error, do not deinterlace */
1196 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1205 if (picture != picture2)
1206 *picture = *picture2;
1210 static void do_subtitle_out(AVFormatContext *s,
1216 static uint8_t *subtitle_out = NULL;
1217 int subtitle_out_max_size = 1024 * 1024;
1218 int subtitle_out_size, nb, i;
1219 AVCodecContext *enc;
1222 if (pts == AV_NOPTS_VALUE) {
1223 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1229 enc = ost->st->codec;
1231 if (!subtitle_out) {
1232 subtitle_out = av_malloc(subtitle_out_max_size);
1235 /* Note: DVB subtitle need one packet to draw them and one other
1236 packet to clear them */
1237 /* XXX: signal it in the codec context ? */
1238 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1243 for (i = 0; i < nb; i++) {
1244 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1245 // start_display_time is required to be 0
1246 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1247 sub->end_display_time -= sub->start_display_time;
1248 sub->start_display_time = 0;
1249 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1250 subtitle_out_max_size, sub);
1251 if (subtitle_out_size < 0) {
1252 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1256 av_init_packet(&pkt);
1257 pkt.data = subtitle_out;
1258 pkt.size = subtitle_out_size;
1259 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1260 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1261 /* XXX: the pts correction is handled here. Maybe handling
1262 it in the codec would be better */
1264 pkt.pts += 90 * sub->start_display_time;
1266 pkt.pts += 90 * sub->end_display_time;
1268 write_frame(s, &pkt, ost);
1272 static int bit_buffer_size = 1024 * 256;
1273 static uint8_t *bit_buffer = NULL;
1275 #if !CONFIG_AVFILTER
1276 static void do_video_resample(OutputStream *ost,
1278 AVFrame *in_picture,
1279 AVFrame **out_picture)
1281 int resample_changed = 0;
1282 *out_picture = in_picture;
1284 resample_changed = ost->resample_width != in_picture->width ||
1285 ost->resample_height != in_picture->height ||
1286 ost->resample_pix_fmt != in_picture->format;
1288 if (resample_changed) {
1289 av_log(NULL, AV_LOG_INFO,
1290 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1291 ist->file_index, ist->st->index,
1292 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1293 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1294 if (!ost->video_resample)
1295 ost->video_resample = 1;
1298 if (ost->video_resample) {
1299 *out_picture = &ost->pict_tmp;
1300 if (resample_changed) {
1301 /* initialize a new scaler context */
1302 sws_freeContext(ost->img_resample_ctx);
1303 ost->img_resample_ctx = sws_getContext(
1304 ist->st->codec->width,
1305 ist->st->codec->height,
1306 ist->st->codec->pix_fmt,
1307 ost->st->codec->width,
1308 ost->st->codec->height,
1309 ost->st->codec->pix_fmt,
1310 ost->sws_flags, NULL, NULL, NULL);
1311 if (ost->img_resample_ctx == NULL) {
1312 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1316 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1317 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1319 if (resample_changed) {
1320 ost->resample_width = in_picture->width;
1321 ost->resample_height = in_picture->height;
1322 ost->resample_pix_fmt = in_picture->format;
1328 static void do_video_out(AVFormatContext *s,
1331 AVFrame *in_picture,
1332 int *frame_size, float quality)
1334 int nb_frames, i, ret, format_video_sync;
1335 AVFrame *final_picture;
1336 AVCodecContext *enc;
1339 enc = ost->st->codec;
1341 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1343 /* by default, we output a single frame */
1348 format_video_sync = video_sync_method;
1349 if (format_video_sync == VSYNC_AUTO)
1350 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1351 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
1353 if (format_video_sync != VSYNC_PASSTHROUGH) {
1354 double vdelta = sync_ipts - ost->sync_opts;
1355 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1358 else if (format_video_sync == VSYNC_VFR) {
1359 if (vdelta <= -0.6) {
1361 } else if (vdelta > 0.6)
1362 ost->sync_opts = lrintf(sync_ipts);
1363 } else if (vdelta > 1.1)
1364 nb_frames = lrintf(vdelta);
1365 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1366 if (nb_frames == 0) {
1368 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1369 } else if (nb_frames > 1) {
1370 nb_frames_dup += nb_frames - 1;
1371 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1374 ost->sync_opts = lrintf(sync_ipts);
1376 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1380 #if !CONFIG_AVFILTER
1381 do_video_resample(ost, ist, in_picture, &final_picture);
1383 final_picture = in_picture;
1386 /* duplicates frame if needed */
1387 for (i = 0; i < nb_frames; i++) {
1389 av_init_packet(&pkt);
1391 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1392 enc->codec->id == CODEC_ID_RAWVIDEO) {
1393 /* raw pictures are written as AVPicture structure to
1394 avoid any copies. We support temporarily the older
1396 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1397 enc->coded_frame->top_field_first = in_picture->top_field_first;
1398 pkt.data = (uint8_t *)final_picture;
1399 pkt.size = sizeof(AVPicture);
1400 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1401 pkt.flags |= AV_PKT_FLAG_KEY;
1403 write_frame(s, &pkt, ost);
1405 AVFrame big_picture;
1407 big_picture = *final_picture;
1408 /* better than nothing: use input picture interlaced
1410 big_picture.interlaced_frame = in_picture->interlaced_frame;
1411 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1412 if (ost->top_field_first == -1)
1413 big_picture.top_field_first = in_picture->top_field_first;
1415 big_picture.top_field_first = !!ost->top_field_first;
1418 /* handles same_quant here. This is not correct because it may
1419 not be a global option */
1420 big_picture.quality = quality;
1421 if (!enc->me_threshold)
1422 big_picture.pict_type = 0;
1423 // big_picture.pts = AV_NOPTS_VALUE;
1424 big_picture.pts = ost->sync_opts;
1425 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1426 // av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1427 if (ost->forced_kf_index < ost->forced_kf_count &&
1428 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1429 big_picture.pict_type = AV_PICTURE_TYPE_I;
1430 ost->forced_kf_index++;
1432 ret = avcodec_encode_video(enc,
1433 bit_buffer, bit_buffer_size,
1436 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1441 pkt.data = bit_buffer;
1443 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1444 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1445 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1446 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1447 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1449 if (enc->coded_frame->key_frame)
1450 pkt.flags |= AV_PKT_FLAG_KEY;
1451 write_frame(s, &pkt, ost);
1454 // fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1455 // enc->frame_number-1, ret, enc->pict_type);
1456 /* if two pass, output log */
1457 if (ost->logfile && enc->stats_out) {
1458 fprintf(ost->logfile, "%s", enc->stats_out);
1464 * For video, number of frames in == number of packets out.
1465 * But there may be reordering, so we can't throw away frames on encoder
1466 * flush, we need to limit them here, before they go into encoder.
1468 ost->frame_number++;
1472 static double psnr(double d)
1474 return -10.0 * log(d) / log(10.0);
1477 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1480 AVCodecContext *enc;
1482 double ti1, bitrate, avg_bitrate;
1484 /* this is executed just the first time do_video_stats is called */
1486 vstats_file = fopen(vstats_filename, "w");
1493 enc = ost->st->codec;
1494 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1495 frame_number = ost->frame_number;
1496 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1497 if (enc->flags&CODEC_FLAG_PSNR)
1498 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1500 fprintf(vstats_file,"f_size= %6d ", frame_size);
1501 /* compute pts value */
1502 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1506 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1507 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1508 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1509 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1510 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1514 static void print_report(OutputFile *output_files,
1515 OutputStream *ost_table, int nb_ostreams,
1516 int is_last_report, int64_t timer_start)
1520 AVFormatContext *oc;
1522 AVCodecContext *enc;
1523 int frame_number, vid, i;
1524 double bitrate, ti1, pts;
1525 static int64_t last_time = -1;
1526 static int qp_histogram[52];
1528 if (!print_stats && !is_last_report)
1531 if (!is_last_report) {
1533 /* display the report every 0.5 seconds */
1534 cur_time = av_gettime();
1535 if (last_time == -1) {
1536 last_time = cur_time;
1539 if ((cur_time - last_time) < 500000)
1541 last_time = cur_time;
1545 oc = output_files[0].ctx;
1547 total_size = avio_size(oc->pb);
1548 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1549 total_size = avio_tell(oc->pb);
1554 for (i = 0; i < nb_ostreams; i++) {
1556 ost = &ost_table[i];
1557 enc = ost->st->codec;
1558 if (!ost->stream_copy && enc->coded_frame)
1559 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1560 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1561 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1563 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1564 float t = (av_gettime() - timer_start) / 1000000.0;
1566 frame_number = ost->frame_number;
1567 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1568 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1570 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1574 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1576 for (j = 0; j < 32; j++)
1577 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1579 if (enc->flags&CODEC_FLAG_PSNR) {
1581 double error, error_sum = 0;
1582 double scale, scale_sum = 0;
1583 char type[3] = { 'Y','U','V' };
1584 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1585 for (j = 0; j < 3; j++) {
1586 if (is_last_report) {
1587 error = enc->error[j];
1588 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1590 error = enc->coded_frame->error[j];
1591 scale = enc->width * enc->height * 255.0 * 255.0;
1597 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1599 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1603 /* compute min output value */
1604 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1605 if ((pts < ti1) && (pts > 0))
1611 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1613 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1614 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1615 (double)total_size / 1024, ti1, bitrate);
1617 if (nb_frames_dup || nb_frames_drop)
1618 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1619 nb_frames_dup, nb_frames_drop);
1621 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1625 if (is_last_report) {
1626 int64_t raw= audio_size + video_size + extra_size;
1627 av_log(NULL, AV_LOG_INFO, "\n");
1628 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1629 video_size / 1024.0,
1630 audio_size / 1024.0,
1631 extra_size / 1024.0,
1632 100.0 * (total_size - raw) / raw
1637 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1641 for (i = 0; i < nb_ostreams; i++) {
1642 OutputStream *ost = &ost_table[i];
1643 AVCodecContext *enc = ost->st->codec;
1644 AVFormatContext *os = output_files[ost->file_index].ctx;
1645 int stop_encoding = 0;
1647 if (!ost->encoding_needed)
1650 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1652 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1658 av_init_packet(&pkt);
1662 switch (ost->st->codec->codec_type) {
1663 case AVMEDIA_TYPE_AUDIO:
1664 fifo_bytes = av_fifo_size(ost->fifo);
1665 if (fifo_bytes > 0) {
1666 /* encode any samples remaining in fifo */
1667 int frame_bytes = fifo_bytes;
1669 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1671 /* pad last frame with silence if needed */
1672 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1673 frame_bytes = enc->frame_size * enc->channels *
1674 av_get_bytes_per_sample(enc->sample_fmt);
1675 if (allocated_audio_buf_size < frame_bytes)
1677 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1679 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1681 /* flush encoder with NULL frames until it is done
1682 returning packets */
1683 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1689 case AVMEDIA_TYPE_VIDEO:
1690 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1692 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1696 if (enc->coded_frame && enc->coded_frame->key_frame)
1697 pkt.flags |= AV_PKT_FLAG_KEY;
1698 if (ost->logfile && enc->stats_out) {
1699 fprintf(ost->logfile, "%s", enc->stats_out);
1705 pkt.data = bit_buffer;
1707 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1708 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1709 write_frame(os, &pkt, ost);
1721 * Check whether a packet from ist should be written into ost at this time
1723 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1725 OutputFile *of = &output_files[ost->file_index];
1726 int ist_index = ist - input_streams;
1728 if (ost->source_index != ist_index)
1731 if (of->start_time && ist->pts < of->start_time)
1734 if (of->recording_time != INT64_MAX &&
1735 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1736 (AVRational){ 1, 1000000 }) >= 0) {
1737 ost->is_past_recording_time = 1;
1744 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1746 OutputFile *of = &output_files[ost->file_index];
1747 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1750 av_init_packet(&opkt);
1752 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1753 !ost->copy_initial_nonkeyframes)
1756 /* force the input stream PTS */
1757 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1758 audio_size += pkt->size;
1759 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1760 video_size += pkt->size;
1764 if (pkt->pts != AV_NOPTS_VALUE)
1765 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1767 opkt.pts = AV_NOPTS_VALUE;
1769 if (pkt->dts == AV_NOPTS_VALUE)
1770 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1772 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1773 opkt.dts -= ost_tb_start_time;
1775 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1776 opkt.flags = pkt->flags;
1778 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1779 if ( ost->st->codec->codec_id != CODEC_ID_H264
1780 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1781 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1783 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1784 opkt.destruct = av_destruct_packet;
1786 opkt.data = pkt->data;
1787 opkt.size = pkt->size;
1790 write_frame(of->ctx, &opkt, ost);
1791 ost->st->codec->frame_number++;
1792 av_free_packet(&opkt);
1795 static void rate_emu_sleep(InputStream *ist)
1797 if (input_files[ist->file_index].rate_emu) {
1798 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1799 int64_t now = av_gettime() - ist->start;
1805 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1807 AVFrame *decoded_frame;
1808 AVCodecContext *avctx = ist->st->codec;
1809 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1812 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1813 return AVERROR(ENOMEM);
1815 avcodec_get_frame_defaults(ist->decoded_frame);
1816 decoded_frame = ist->decoded_frame;
1818 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1824 /* no audio frame */
1828 /* if the decoder provides a pts, use it instead of the last packet pts.
1829 the decoder could be delaying output by a packet or more. */
1830 if (decoded_frame->pts != AV_NOPTS_VALUE)
1831 ist->next_pts = decoded_frame->pts;
1833 /* increment next_pts to use for the case where the input stream does not
1834 have timestamps or there are multiple frames in the packet */
1835 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1838 // preprocess audio (volume)
1839 if (audio_volume != 256) {
1840 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1841 void *samples = decoded_frame->data[0];
1842 switch (avctx->sample_fmt) {
1843 case AV_SAMPLE_FMT_U8:
1845 uint8_t *volp = samples;
1846 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1847 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1848 *volp++ = av_clip_uint8(v);
1852 case AV_SAMPLE_FMT_S16:
1854 int16_t *volp = samples;
1855 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1856 int v = ((*volp) * audio_volume + 128) >> 8;
1857 *volp++ = av_clip_int16(v);
1861 case AV_SAMPLE_FMT_S32:
1863 int32_t *volp = samples;
1864 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1865 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1866 *volp++ = av_clipl_int32(v);
1870 case AV_SAMPLE_FMT_FLT:
1872 float *volp = samples;
1873 float scale = audio_volume / 256.f;
1874 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1879 case AV_SAMPLE_FMT_DBL:
1881 double *volp = samples;
1882 double scale = audio_volume / 256.;
1883 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1889 av_log(NULL, AV_LOG_FATAL,
1890 "Audio volume adjustment on sample format %s is not supported.\n",
1891 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1896 rate_emu_sleep(ist);
1898 for (i = 0; i < nb_output_streams; i++) {
1899 OutputStream *ost = &output_streams[i];
1901 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1903 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1909 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1911 AVFrame *decoded_frame, *filtered_frame = NULL;
1912 void *buffer_to_free = NULL;
1916 int frame_available = 1;
1919 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1920 return AVERROR(ENOMEM);
1922 avcodec_get_frame_defaults(ist->decoded_frame);
1923 decoded_frame = ist->decoded_frame;
1924 pkt->pts = *pkt_pts;
1925 pkt->dts = ist->pts;
1926 *pkt_pts = AV_NOPTS_VALUE;
1928 ret = avcodec_decode_video2(ist->st->codec,
1929 decoded_frame, got_output, pkt);
1933 quality = same_quant ? decoded_frame->quality : 0;
1935 /* no picture yet */
1938 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1939 decoded_frame->pkt_dts);
1941 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1942 else if (ist->st->codec->time_base.num != 0) {
1943 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1944 ist->st->codec->ticks_per_frame;
1945 ist->next_pts += ((int64_t)AV_TIME_BASE *
1946 ist->st->codec->time_base.num * ticks) /
1947 ist->st->codec->time_base.den;
1950 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1952 rate_emu_sleep(ist);
1954 for (i = 0; i < nb_output_streams; i++) {
1955 OutputStream *ost = &output_streams[i];
1956 int frame_size, resample_changed;
1958 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1962 resample_changed = ost->resample_width != decoded_frame->width ||
1963 ost->resample_height != decoded_frame->height ||
1964 ost->resample_pix_fmt != decoded_frame->format;
1965 if (resample_changed) {
1966 av_log(NULL, AV_LOG_INFO,
1967 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1968 ist->file_index, ist->st->index,
1969 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1970 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1972 avfilter_graph_free(&ost->graph);
1973 if (configure_video_filters(ist, ost)) {
1974 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1978 ost->resample_width = decoded_frame->width;
1979 ost->resample_height = decoded_frame->height;
1980 ost->resample_pix_fmt = decoded_frame->format;
1983 if (ist->st->sample_aspect_ratio.num)
1984 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1985 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1986 FrameBuffer *buf = decoded_frame->opaque;
1987 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1988 decoded_frame->data, decoded_frame->linesize,
1989 AV_PERM_READ | AV_PERM_PRESERVE,
1990 ist->st->codec->width, ist->st->codec->height,
1991 ist->st->codec->pix_fmt);
1993 avfilter_copy_frame_props(fb, decoded_frame);
1995 fb->buf->priv = buf;
1996 fb->buf->free = filter_release_buffer;
1999 av_buffersrc_buffer(ost->input_video_filter, fb);
2001 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
2002 ist->pts, decoded_frame->sample_aspect_ratio);
2004 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2005 av_free(buffer_to_free);
2006 return AVERROR(ENOMEM);
2008 avcodec_get_frame_defaults(ist->filtered_frame);
2009 filtered_frame = ist->filtered_frame;
2011 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2012 while (frame_available) {
2013 AVRational ist_pts_tb;
2014 if (ost->output_video_filter)
2015 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
2017 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2018 if (ost->picref->video && !ost->frame_aspect_ratio)
2019 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2021 filtered_frame = decoded_frame;
2024 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2025 same_quant ? quality : ost->st->codec->global_quality);
2026 if (vstats_filename && frame_size)
2027 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2029 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2031 avfilter_unref_buffer(ost->picref);
2036 av_free(buffer_to_free);
2040 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2042 AVSubtitle subtitle;
2043 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2044 &subtitle, got_output, pkt);
2050 rate_emu_sleep(ist);
2052 for (i = 0; i < nb_output_streams; i++) {
2053 OutputStream *ost = &output_streams[i];
2055 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2058 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2061 avsubtitle_free(&subtitle);
2065 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2066 static int output_packet(InputStream *ist,
2067 OutputStream *ost_table, int nb_ostreams,
2068 const AVPacket *pkt)
2072 int64_t pkt_pts = AV_NOPTS_VALUE;
2075 if (ist->next_pts == AV_NOPTS_VALUE)
2076 ist->next_pts = ist->pts;
2080 av_init_packet(&avpkt);
2088 if (pkt->dts != AV_NOPTS_VALUE)
2089 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2090 if (pkt->pts != AV_NOPTS_VALUE)
2091 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2093 // while we have more to decode or while the decoder did output something on EOF
2094 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2098 ist->pts = ist->next_pts;
2100 if (avpkt.size && avpkt.size != pkt->size) {
2101 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2102 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2103 ist->showed_multi_packet_warning = 1;
2106 switch (ist->st->codec->codec_type) {
2107 case AVMEDIA_TYPE_AUDIO:
2108 ret = transcode_audio (ist, &avpkt, &got_output);
2110 case AVMEDIA_TYPE_VIDEO:
2111 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2113 case AVMEDIA_TYPE_SUBTITLE:
2114 ret = transcode_subtitles(ist, &avpkt, &got_output);
2122 // touch data and size only if not EOF
2132 /* handle stream copy */
2133 if (!ist->decoding_needed) {
2134 rate_emu_sleep(ist);
2135 ist->pts = ist->next_pts;
2136 switch (ist->st->codec->codec_type) {
2137 case AVMEDIA_TYPE_AUDIO:
2138 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2139 ist->st->codec->sample_rate;
2141 case AVMEDIA_TYPE_VIDEO:
2142 if (ist->st->codec->time_base.num != 0) {
2143 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2144 ist->next_pts += ((int64_t)AV_TIME_BASE *
2145 ist->st->codec->time_base.num * ticks) /
2146 ist->st->codec->time_base.den;
2151 for (i = 0; pkt && i < nb_ostreams; i++) {
2152 OutputStream *ost = &ost_table[i];
2154 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2157 do_streamcopy(ist, ost, pkt);
2163 static void print_sdp(OutputFile *output_files, int n)
2167 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2171 for (i = 0; i < n; i++)
2172 avc[i] = output_files[i].ctx;
2174 av_sdp_create(avc, n, sdp, sizeof(sdp));
2175 printf("SDP:\n%s\n", sdp);
2180 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2181 char *error, int error_len)
2184 InputStream *ist = &input_streams[ist_index];
2185 if (ist->decoding_needed) {
2186 AVCodec *codec = ist->dec;
2188 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2189 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2190 return AVERROR(EINVAL);
2193 /* update requested sample format for the decoder based on the
2194 corresponding encoder sample format */
2195 for (i = 0; i < nb_output_streams; i++) {
2196 OutputStream *ost = &output_streams[i];
2197 if (ost->source_index == ist_index) {
2198 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2203 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2204 ist->st->codec->get_buffer = codec_get_buffer;
2205 ist->st->codec->release_buffer = codec_release_buffer;
2206 ist->st->codec->opaque = ist;
2209 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2210 av_dict_set(&ist->opts, "threads", "auto", 0);
2211 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2212 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2213 ist->file_index, ist->st->index);
2214 return AVERROR(EINVAL);
2216 assert_codec_experimental(ist->st->codec, 0);
2217 assert_avoptions(ist->opts);
2220 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2221 ist->next_pts = AV_NOPTS_VALUE;
2222 init_pts_correction(&ist->pts_ctx);
2228 static int transcode_init(OutputFile *output_files,
2229 int nb_output_files,
2230 InputFile *input_files,
2233 int ret = 0, i, j, k;
2234 AVFormatContext *oc;
2235 AVCodecContext *codec, *icodec;
2241 /* init framerate emulation */
2242 for (i = 0; i < nb_input_files; i++) {
2243 InputFile *ifile = &input_files[i];
2244 if (ifile->rate_emu)
2245 for (j = 0; j < ifile->nb_streams; j++)
2246 input_streams[j + ifile->ist_index].start = av_gettime();
2249 /* output stream init */
2250 for (i = 0; i < nb_output_files; i++) {
2251 oc = output_files[i].ctx;
2252 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2253 av_dump_format(oc, i, oc->filename, 1);
2254 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2255 return AVERROR(EINVAL);
2259 /* for each output stream, we compute the right encoding parameters */
2260 for (i = 0; i < nb_output_streams; i++) {
2261 ost = &output_streams[i];
2262 oc = output_files[ost->file_index].ctx;
2263 ist = &input_streams[ost->source_index];
2265 if (ost->attachment_filename)
2268 codec = ost->st->codec;
2269 icodec = ist->st->codec;
2271 ost->st->disposition = ist->st->disposition;
2272 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2273 codec->chroma_sample_location = icodec->chroma_sample_location;
2275 if (ost->stream_copy) {
2276 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2278 if (extra_size > INT_MAX) {
2279 return AVERROR(EINVAL);
2282 /* if stream_copy is selected, no need to decode or encode */
2283 codec->codec_id = icodec->codec_id;
2284 codec->codec_type = icodec->codec_type;
2286 if (!codec->codec_tag) {
2287 if (!oc->oformat->codec_tag ||
2288 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2289 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2290 codec->codec_tag = icodec->codec_tag;
2293 codec->bit_rate = icodec->bit_rate;
2294 codec->rc_max_rate = icodec->rc_max_rate;
2295 codec->rc_buffer_size = icodec->rc_buffer_size;
2296 codec->field_order = icodec->field_order;
2297 codec->extradata = av_mallocz(extra_size);
2298 if (!codec->extradata) {
2299 return AVERROR(ENOMEM);
2301 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2302 codec->extradata_size = icodec->extradata_size;
2304 codec->time_base = icodec->time_base;
2305 codec->time_base.num *= icodec->ticks_per_frame;
2306 av_reduce(&codec->time_base.num, &codec->time_base.den,
2307 codec->time_base.num, codec->time_base.den, INT_MAX);
2309 codec->time_base = ist->st->time_base;
2311 switch (codec->codec_type) {
2312 case AVMEDIA_TYPE_AUDIO:
2313 if (audio_volume != 256) {
2314 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2317 codec->channel_layout = icodec->channel_layout;
2318 codec->sample_rate = icodec->sample_rate;
2319 codec->channels = icodec->channels;
2320 codec->frame_size = icodec->frame_size;
2321 codec->audio_service_type = icodec->audio_service_type;
2322 codec->block_align = icodec->block_align;
2324 case AVMEDIA_TYPE_VIDEO:
2325 codec->pix_fmt = icodec->pix_fmt;
2326 codec->width = icodec->width;
2327 codec->height = icodec->height;
2328 codec->has_b_frames = icodec->has_b_frames;
2329 if (!codec->sample_aspect_ratio.num) {
2330 codec->sample_aspect_ratio =
2331 ost->st->sample_aspect_ratio =
2332 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2333 ist->st->codec->sample_aspect_ratio.num ?
2334 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2337 case AVMEDIA_TYPE_SUBTITLE:
2338 codec->width = icodec->width;
2339 codec->height = icodec->height;
2341 case AVMEDIA_TYPE_DATA:
2342 case AVMEDIA_TYPE_ATTACHMENT:
2349 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2351 ist->decoding_needed = 1;
2352 ost->encoding_needed = 1;
2354 switch (codec->codec_type) {
2355 case AVMEDIA_TYPE_AUDIO:
2356 ost->fifo = av_fifo_alloc(1024);
2358 return AVERROR(ENOMEM);
2360 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2362 if (!codec->sample_rate)
2363 codec->sample_rate = icodec->sample_rate;
2364 choose_sample_rate(ost->st, ost->enc);
2365 codec->time_base = (AVRational){ 1, codec->sample_rate };
2367 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2368 codec->sample_fmt = icodec->sample_fmt;
2369 choose_sample_fmt(ost->st, ost->enc);
2371 if (!codec->channels)
2372 codec->channels = icodec->channels;
2373 codec->channel_layout = icodec->channel_layout;
2374 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2375 codec->channel_layout = 0;
2377 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2378 icodec->request_channels = codec-> channels;
2379 ost->resample_sample_fmt = icodec->sample_fmt;
2380 ost->resample_sample_rate = icodec->sample_rate;
2381 ost->resample_channels = icodec->channels;
2383 case AVMEDIA_TYPE_VIDEO:
2384 if (codec->pix_fmt == PIX_FMT_NONE)
2385 codec->pix_fmt = icodec->pix_fmt;
2386 choose_pixel_fmt(ost->st, ost->enc);
2388 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2389 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2393 if (!codec->width || !codec->height) {
2394 codec->width = icodec->width;
2395 codec->height = icodec->height;
2398 ost->video_resample = codec->width != icodec->width ||
2399 codec->height != icodec->height ||
2400 codec->pix_fmt != icodec->pix_fmt;
2401 if (ost->video_resample) {
2402 #if !CONFIG_AVFILTER
2403 avcodec_get_frame_defaults(&ost->pict_tmp);
2404 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2405 codec->width, codec->height)) {
2406 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2409 ost->img_resample_ctx = sws_getContext(
2416 ost->sws_flags, NULL, NULL, NULL);
2417 if (ost->img_resample_ctx == NULL) {
2418 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2422 codec->bits_per_raw_sample = 0;
2425 ost->resample_height = icodec->height;
2426 ost->resample_width = icodec->width;
2427 ost->resample_pix_fmt = icodec->pix_fmt;
2429 if (!ost->frame_rate.num)
2430 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2431 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2432 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2433 ost->frame_rate = ost->enc->supported_framerates[idx];
2435 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2438 if (configure_video_filters(ist, ost)) {
2439 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2444 case AVMEDIA_TYPE_SUBTITLE:
2451 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2452 char logfilename[1024];
2455 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2456 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2458 if (codec->flags & CODEC_FLAG_PASS1) {
2459 f = fopen(logfilename, "wb");
2461 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2462 logfilename, strerror(errno));
2468 size_t logbuffer_size;
2469 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2470 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2474 codec->stats_in = logbuffer;
2478 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2479 int size = codec->width * codec->height;
2480 bit_buffer_size = FFMAX(bit_buffer_size, 6 * size + 200);
2485 bit_buffer = av_malloc(bit_buffer_size);
2487 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2489 return AVERROR(ENOMEM);
2492 /* open each encoder */
2493 for (i = 0; i < nb_output_streams; i++) {
2494 ost = &output_streams[i];
2495 if (ost->encoding_needed) {
2496 AVCodec *codec = ost->enc;
2497 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2499 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2500 ost->st->codec->codec_id, ost->file_index, ost->index);
2501 ret = AVERROR(EINVAL);
2504 if (dec->subtitle_header) {
2505 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2506 if (!ost->st->codec->subtitle_header) {
2507 ret = AVERROR(ENOMEM);
2510 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2511 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2513 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2514 av_dict_set(&ost->opts, "threads", "auto", 0);
2515 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2516 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2517 ost->file_index, ost->index);
2518 ret = AVERROR(EINVAL);
2521 assert_codec_experimental(ost->st->codec, 1);
2522 assert_avoptions(ost->opts);
2523 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2524 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2525 "It takes bits/s as argument, not kbits/s\n");
2526 extra_size += ost->st->codec->extradata_size;
2528 if (ost->st->codec->me_threshold)
2529 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2533 /* init input streams */
2534 for (i = 0; i < nb_input_streams; i++)
2535 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2538 /* discard unused programs */
2539 for (i = 0; i < nb_input_files; i++) {
2540 InputFile *ifile = &input_files[i];
2541 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2542 AVProgram *p = ifile->ctx->programs[j];
2543 int discard = AVDISCARD_ALL;
2545 for (k = 0; k < p->nb_stream_indexes; k++)
2546 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2547 discard = AVDISCARD_DEFAULT;
2550 p->discard = discard;
2554 /* open files and write file headers */
2555 for (i = 0; i < nb_output_files; i++) {
2556 oc = output_files[i].ctx;
2557 oc->interrupt_callback = int_cb;
2558 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2559 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2560 ret = AVERROR(EINVAL);
2563 assert_avoptions(output_files[i].opts);
2564 if (strcmp(oc->oformat->name, "rtp")) {
2570 /* dump the file output parameters - cannot be done before in case
2572 for (i = 0; i < nb_output_files; i++) {
2573 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2576 /* dump the stream mapping */
2577 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2578 for (i = 0; i < nb_output_streams; i++) {
2579 ost = &output_streams[i];
2581 if (ost->attachment_filename) {
2582 /* an attached file */
2583 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2584 ost->attachment_filename, ost->file_index, ost->index);
2587 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2588 input_streams[ost->source_index].file_index,
2589 input_streams[ost->source_index].st->index,
2592 if (ost->sync_ist != &input_streams[ost->source_index])
2593 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2594 ost->sync_ist->file_index,
2595 ost->sync_ist->st->index);
2596 if (ost->stream_copy)
2597 av_log(NULL, AV_LOG_INFO, " (copy)");
2599 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2600 input_streams[ost->source_index].dec->name : "?",
2601 ost->enc ? ost->enc->name : "?");
2602 av_log(NULL, AV_LOG_INFO, "\n");
2606 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2611 print_sdp(output_files, nb_output_files);
2618 * The following code is the main loop of the file converter
2620 static int transcode(OutputFile *output_files,
2621 int nb_output_files,
2622 InputFile *input_files,
2626 AVFormatContext *is, *os;
2630 int no_packet_count = 0;
2631 int64_t timer_start;
2633 if (!(no_packet = av_mallocz(nb_input_files)))
2636 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2640 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2643 timer_start = av_gettime();
2645 for (; received_sigterm == 0;) {
2646 int file_index, ist_index;
2651 ipts_min = INT64_MAX;
2654 /* select the stream that we must read now by looking at the
2655 smallest output pts */
2657 for (i = 0; i < nb_output_streams; i++) {
2661 ost = &output_streams[i];
2662 of = &output_files[ost->file_index];
2663 os = output_files[ost->file_index].ctx;
2664 ist = &input_streams[ost->source_index];
2665 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2666 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2668 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2670 if (!input_files[ist->file_index].eof_reached) {
2671 if (ipts < ipts_min) {
2674 file_index = ist->file_index;
2676 if (opts < opts_min) {
2678 if (!input_sync) file_index = ist->file_index;
2681 if (ost->frame_number >= ost->max_frames) {
2683 for (j = 0; j < of->ctx->nb_streams; j++)
2684 output_streams[of->ost_index + j].is_past_recording_time = 1;
2688 /* if none, if is finished */
2689 if (file_index < 0) {
2690 if (no_packet_count) {
2691 no_packet_count = 0;
2692 memset(no_packet, 0, nb_input_files);
2699 /* read a frame from it and output it in the fifo */
2700 is = input_files[file_index].ctx;
2701 ret = av_read_frame(is, &pkt);
2702 if (ret == AVERROR(EAGAIN)) {
2703 no_packet[file_index] = 1;
2708 input_files[file_index].eof_reached = 1;
2715 no_packet_count = 0;
2716 memset(no_packet, 0, nb_input_files);
2719 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2720 is->streams[pkt.stream_index]);
2722 /* the following test is needed in case new streams appear
2723 dynamically in stream : we ignore them */
2724 if (pkt.stream_index >= input_files[file_index].nb_streams)
2725 goto discard_packet;
2726 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2727 ist = &input_streams[ist_index];
2729 goto discard_packet;
2731 if (pkt.dts != AV_NOPTS_VALUE)
2732 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2733 if (pkt.pts != AV_NOPTS_VALUE)
2734 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2736 if (pkt.pts != AV_NOPTS_VALUE)
2737 pkt.pts *= ist->ts_scale;
2738 if (pkt.dts != AV_NOPTS_VALUE)
2739 pkt.dts *= ist->ts_scale;
2741 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2743 // pkt.dts, input_files[ist->file_index].ts_offset,
2744 // ist->st->codec->codec_type);
2745 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2746 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2747 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2748 int64_t delta = pkt_dts - ist->next_pts;
2749 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->pts) && !copy_ts) {
2750 input_files[ist->file_index].ts_offset -= delta;
2751 av_log(NULL, AV_LOG_DEBUG,
2752 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2753 delta, input_files[ist->file_index].ts_offset);
2754 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2755 if (pkt.pts != AV_NOPTS_VALUE)
2756 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2760 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2761 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2763 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2764 ist->file_index, ist->st->index);
2767 av_free_packet(&pkt);
2772 av_free_packet(&pkt);
2774 /* dump report by using the output first video and audio streams */
2775 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2778 /* at the end of stream, we must flush the decoder buffers */
2779 for (i = 0; i < nb_input_streams; i++) {
2780 ist = &input_streams[i];
2781 if (ist->decoding_needed) {
2782 output_packet(ist, output_streams, nb_output_streams, NULL);
2785 flush_encoders(output_streams, nb_output_streams);
2789 /* write the trailer if needed and close file */
2790 for (i = 0; i < nb_output_files; i++) {
2791 os = output_files[i].ctx;
2792 av_write_trailer(os);
2795 /* dump report by using the first video and audio streams */
2796 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2798 /* close each encoder */
2799 for (i = 0; i < nb_output_streams; i++) {
2800 ost = &output_streams[i];
2801 if (ost->encoding_needed) {
2802 av_freep(&ost->st->codec->stats_in);
2803 avcodec_close(ost->st->codec);
2806 avfilter_graph_free(&ost->graph);
2810 /* close each decoder */
2811 for (i = 0; i < nb_input_streams; i++) {
2812 ist = &input_streams[i];
2813 if (ist->decoding_needed) {
2814 avcodec_close(ist->st->codec);
2822 av_freep(&bit_buffer);
2823 av_freep(&no_packet);
2825 if (output_streams) {
2826 for (i = 0; i < nb_output_streams; i++) {
2827 ost = &output_streams[i];
2829 if (ost->stream_copy)
2830 av_freep(&ost->st->codec->extradata);
2832 fclose(ost->logfile);
2833 ost->logfile = NULL;
2835 av_fifo_free(ost->fifo); /* works even if fifo is not
2836 initialized but set to zero */
2837 av_freep(&ost->st->codec->subtitle_header);
2838 av_free(ost->pict_tmp.data[0]);
2839 av_free(ost->forced_kf_pts);
2840 if (ost->video_resample)
2841 sws_freeContext(ost->img_resample_ctx);
2843 audio_resample_close(ost->resample);
2844 if (ost->reformat_ctx)
2845 av_audio_convert_free(ost->reformat_ctx);
2846 av_dict_free(&ost->opts);
2853 static double parse_frame_aspect_ratio(const char *arg)
2860 p = strchr(arg, ':');
2862 x = strtol(arg, &end, 10);
2864 y = strtol(end + 1, &end, 10);
2866 ar = (double)x / (double)y;
2868 ar = strtod(arg, NULL);
2871 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2877 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2879 return parse_option(o, "codec:a", arg, options);
2882 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2884 return parse_option(o, "codec:v", arg, options);
2887 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2889 return parse_option(o, "codec:s", arg, options);
2892 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2894 return parse_option(o, "codec:d", arg, options);
2897 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2899 StreamMap *m = NULL;
2900 int i, negative = 0, file_idx;
2901 int sync_file_idx = -1, sync_stream_idx;
2909 map = av_strdup(arg);
2911 /* parse sync stream first, just pick first matching stream */
2912 if (sync = strchr(map, ',')) {
2914 sync_file_idx = strtol(sync + 1, &sync, 0);
2915 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2916 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2921 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2922 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2923 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2924 sync_stream_idx = i;
2927 if (i == input_files[sync_file_idx].nb_streams) {
2928 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2929 "match any streams.\n", arg);
2935 file_idx = strtol(map, &p, 0);
2936 if (file_idx >= nb_input_files || file_idx < 0) {
2937 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2941 /* disable some already defined maps */
2942 for (i = 0; i < o->nb_stream_maps; i++) {
2943 m = &o->stream_maps[i];
2944 if (file_idx == m->file_index &&
2945 check_stream_specifier(input_files[m->file_index].ctx,
2946 input_files[m->file_index].ctx->streams[m->stream_index],
2947 *p == ':' ? p + 1 : p) > 0)
2951 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2952 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2953 *p == ':' ? p + 1 : p) <= 0)
2955 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2956 &o->nb_stream_maps, o->nb_stream_maps + 1);
2957 m = &o->stream_maps[o->nb_stream_maps - 1];
2959 m->file_index = file_idx;
2960 m->stream_index = i;
2962 if (sync_file_idx >= 0) {
2963 m->sync_file_index = sync_file_idx;
2964 m->sync_stream_index = sync_stream_idx;
2966 m->sync_file_index = file_idx;
2967 m->sync_stream_index = i;
2972 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2980 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2982 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2983 &o->nb_attachments, o->nb_attachments + 1);
2984 o->attachments[o->nb_attachments - 1] = arg;
2989 * Parse a metadata specifier in arg.
2990 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2991 * @param index for type c/p, chapter/program index is written here
2992 * @param stream_spec for type s, the stream specifier is written here
2994 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3002 if (*(++arg) && *arg != ':') {
3003 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3006 *stream_spec = *arg == ':' ? arg + 1 : "";
3010 if (*(++arg) == ':')
3011 *index = strtol(++arg, NULL, 0);
3014 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3021 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3023 AVDictionary **meta_in = NULL;
3024 AVDictionary **meta_out;
3026 char type_in, type_out;
3027 const char *istream_spec = NULL, *ostream_spec = NULL;
3028 int idx_in = 0, idx_out = 0;
3030 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3031 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3033 if (type_in == 'g' || type_out == 'g')
3034 o->metadata_global_manual = 1;
3035 if (type_in == 's' || type_out == 's')
3036 o->metadata_streams_manual = 1;
3037 if (type_in == 'c' || type_out == 'c')
3038 o->metadata_chapters_manual = 1;
3040 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3041 if ((index) < 0 || (index) >= (nb_elems)) {\
3042 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3047 #define SET_DICT(type, meta, context, index)\
3050 meta = &context->metadata;\
3053 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3054 meta = &context->chapters[index]->metadata;\
3057 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3058 meta = &context->programs[index]->metadata;\
3062 SET_DICT(type_in, meta_in, ic, idx_in);
3063 SET_DICT(type_out, meta_out, oc, idx_out);
3065 /* for input streams choose first matching stream */
3066 if (type_in == 's') {
3067 for (i = 0; i < ic->nb_streams; i++) {
3068 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3069 meta_in = &ic->streams[i]->metadata;
3075 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3080 if (type_out == 's') {
3081 for (i = 0; i < oc->nb_streams; i++) {
3082 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3083 meta_out = &oc->streams[i]->metadata;
3084 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3089 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3094 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3096 const char *codec_string = encoder ? "encoder" : "decoder";
3100 avcodec_find_encoder_by_name(name) :
3101 avcodec_find_decoder_by_name(name);
3103 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3106 if (codec->type != type) {
3107 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3113 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3115 char *codec_name = NULL;
3117 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3119 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3120 st->codec->codec_id = codec->id;
3123 return avcodec_find_decoder(st->codec->codec_id);
3127 * Add all the streams from the given input file to the global
3128 * list of input streams.
3130 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3134 for (i = 0; i < ic->nb_streams; i++) {
3135 AVStream *st = ic->streams[i];
3136 AVCodecContext *dec = st->codec;
3139 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3140 ist = &input_streams[nb_input_streams - 1];
3142 ist->file_index = nb_input_files;
3144 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3146 ist->ts_scale = 1.0;
3147 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3149 ist->dec = choose_decoder(o, ic, st);
3151 switch (dec->codec_type) {
3152 case AVMEDIA_TYPE_AUDIO:
3153 if (o->audio_disable)
3154 st->discard = AVDISCARD_ALL;
3156 case AVMEDIA_TYPE_VIDEO:
3158 dec->flags |= CODEC_FLAG_EMU_EDGE;
3159 dec->height >>= dec->lowres;
3160 dec->width >>= dec->lowres;
3163 if (o->video_disable)
3164 st->discard = AVDISCARD_ALL;
3165 else if (video_discard)
3166 st->discard = video_discard;
3168 case AVMEDIA_TYPE_DATA:
3170 case AVMEDIA_TYPE_SUBTITLE:
3171 if (o->subtitle_disable)
3172 st->discard = AVDISCARD_ALL;
3174 case AVMEDIA_TYPE_ATTACHMENT:
3175 case AVMEDIA_TYPE_UNKNOWN:
3183 static void assert_file_overwrite(const char *filename)
3185 if (!file_overwrite &&
3186 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3187 av_strstart(filename, "file:", NULL))) {
3188 if (avio_check(filename, 0) == 0) {
3190 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3192 if (!read_yesno()) {
3193 fprintf(stderr, "Not overwriting - exiting\n");
3198 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3205 static void dump_attachment(AVStream *st, const char *filename)
3208 AVIOContext *out = NULL;
3209 AVDictionaryEntry *e;
3211 if (!st->codec->extradata_size) {
3212 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3213 nb_input_files - 1, st->index);
3216 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3217 filename = e->value;
3219 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3220 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3224 assert_file_overwrite(filename);
3226 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3227 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3232 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3237 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3239 AVFormatContext *ic;
3240 AVInputFormat *file_iformat = NULL;
3244 AVDictionary **opts;
3245 int orig_nb_streams; // number of streams before avformat_find_stream_info
3248 if (!(file_iformat = av_find_input_format(o->format))) {
3249 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3254 if (!strcmp(filename, "-"))
3257 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3258 !strcmp(filename, "/dev/stdin");
3260 /* get default parameters from command line */
3261 ic = avformat_alloc_context();
3263 print_error(filename, AVERROR(ENOMEM));
3266 if (o->nb_audio_sample_rate) {
3267 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3268 av_dict_set(&format_opts, "sample_rate", buf, 0);
3270 if (o->nb_audio_channels) {
3271 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3272 av_dict_set(&format_opts, "channels", buf, 0);
3274 if (o->nb_frame_rates) {
3275 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3277 if (o->nb_frame_sizes) {
3278 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3280 if (o->nb_frame_pix_fmts)
3281 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3283 ic->flags |= AVFMT_FLAG_NONBLOCK;
3284 ic->interrupt_callback = int_cb;
3286 /* open the input file with generic libav function */
3287 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3289 print_error(filename, err);
3292 assert_avoptions(format_opts);
3294 /* apply forced codec ids */
3295 for (i = 0; i < ic->nb_streams; i++)
3296 choose_decoder(o, ic, ic->streams[i]);
3298 /* Set AVCodecContext options for avformat_find_stream_info */
3299 opts = setup_find_stream_info_opts(ic, codec_opts);
3300 orig_nb_streams = ic->nb_streams;
3302 /* If not enough info to get the stream parameters, we decode the
3303 first frames to get it. (used in mpeg case for example) */
3304 ret = avformat_find_stream_info(ic, opts);
3306 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3307 avformat_close_input(&ic);
3311 timestamp = o->start_time;
3312 /* add the stream start time */
3313 if (ic->start_time != AV_NOPTS_VALUE)
3314 timestamp += ic->start_time;
3316 /* if seeking requested, we execute it */
3317 if (o->start_time != 0) {
3318 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3320 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3321 filename, (double)timestamp / AV_TIME_BASE);
3325 /* update the current parameters so that they match the one of the input stream */
3326 add_input_streams(o, ic);
3328 /* dump the file content */
3329 av_dump_format(ic, nb_input_files, filename, 0);
3331 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3332 input_files[nb_input_files - 1].ctx = ic;
3333 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3334 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3335 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3336 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3338 for (i = 0; i < o->nb_dump_attachment; i++) {
3341 for (j = 0; j < ic->nb_streams; j++) {
3342 AVStream *st = ic->streams[j];
3344 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3345 dump_attachment(st, o->dump_attachment[i].u.str);
3349 for (i = 0; i < orig_nb_streams; i++)
3350 av_dict_free(&opts[i]);
3357 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3358 AVCodecContext *avctx)
3364 for (p = kf; *p; p++)
3367 ost->forced_kf_count = n;
3368 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3369 if (!ost->forced_kf_pts) {
3370 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3373 for (i = 0; i < n; i++) {
3374 p = i ? strchr(p, ',') + 1 : kf;
3375 t = parse_time_or_die("force_key_frames", p, 1);
3376 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3380 static uint8_t *get_line(AVIOContext *s)
3386 if (avio_open_dyn_buf(&line) < 0) {
3387 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3391 while ((c = avio_r8(s)) && c != '\n')
3394 avio_close_dyn_buf(line, &buf);
3399 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3402 char filename[1000];
3403 const char *base[3] = { getenv("AVCONV_DATADIR"),
3408 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3412 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3413 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3414 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3417 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3418 i != 1 ? "" : "/.avconv", preset_name);
3419 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3425 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3427 char *codec_name = NULL;
3429 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3431 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3432 NULL, ost->st->codec->codec_type);
3433 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3434 } else if (!strcmp(codec_name, "copy"))
3435 ost->stream_copy = 1;
3437 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3438 ost->st->codec->codec_id = ost->enc->id;
3442 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3445 AVStream *st = avformat_new_stream(oc, NULL);
3446 int idx = oc->nb_streams - 1, ret = 0;
3447 char *bsf = NULL, *next, *codec_tag = NULL;
3448 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3450 char *buf = NULL, *arg = NULL, *preset = NULL;
3451 AVIOContext *s = NULL;
3454 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3458 if (oc->nb_streams - 1 < o->nb_streamid_map)
3459 st->id = o->streamid_map[oc->nb_streams - 1];
3461 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3462 nb_output_streams + 1);
3463 ost = &output_streams[nb_output_streams - 1];
3464 ost->file_index = nb_output_files;
3467 st->codec->codec_type = type;
3468 choose_encoder(o, oc, ost);
3470 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3473 avcodec_get_context_defaults3(st->codec, ost->enc);
3474 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3476 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3477 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3480 if (!buf[0] || buf[0] == '#') {
3484 if (!(arg = strchr(buf, '='))) {
3485 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3489 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3491 } while (!s->eof_reached);
3495 av_log(NULL, AV_LOG_FATAL,
3496 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3497 preset, ost->file_index, ost->index);
3501 ost->max_frames = INT64_MAX;
3502 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3504 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3506 if (next = strchr(bsf, ','))
3508 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3509 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3513 bsfc_prev->next = bsfc;
3515 ost->bitstream_filters = bsfc;
3521 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3523 uint32_t tag = strtol(codec_tag, &next, 0);
3525 tag = AV_RL32(codec_tag);
3526 st->codec->codec_tag = tag;
3529 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3530 if (qscale >= 0 || same_quant) {
3531 st->codec->flags |= CODEC_FLAG_QSCALE;
3532 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3535 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3536 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3538 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3542 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3545 const char *p = str;
3552 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3559 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3563 AVCodecContext *video_enc;
3565 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3567 video_enc = st->codec;
3569 if (!ost->stream_copy) {
3570 const char *p = NULL;
3571 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3572 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3573 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3576 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3577 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3578 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3582 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3583 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3584 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3588 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3589 if (frame_aspect_ratio)
3590 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3592 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3593 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3594 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3597 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3599 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3601 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3602 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3605 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3607 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3609 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3610 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3613 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3616 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3617 for (i = 0; p; i++) {
3619 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3621 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3624 video_enc->rc_override =
3625 av_realloc(video_enc->rc_override,
3626 sizeof(RcOverride) * (i + 1));
3627 video_enc->rc_override[i].start_frame = start;
3628 video_enc->rc_override[i].end_frame = end;
3630 video_enc->rc_override[i].qscale = q;
3631 video_enc->rc_override[i].quality_factor = 1.0;
3634 video_enc->rc_override[i].qscale = 0;
3635 video_enc->rc_override[i].quality_factor = -q/100.0;
3640 video_enc->rc_override_count = i;
3641 if (!video_enc->rc_initial_buffer_occupancy)
3642 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3643 video_enc->intra_dc_precision = intra_dc_precision - 8;
3648 video_enc->flags |= CODEC_FLAG_PASS1;
3650 video_enc->flags |= CODEC_FLAG_PASS2;
3654 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3655 if (forced_key_frames)
3656 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3658 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3660 ost->top_field_first = -1;
3661 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3664 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3666 ost->avfilter = av_strdup(filters);
3669 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3675 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3679 AVCodecContext *audio_enc;
3681 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3684 audio_enc = st->codec;
3685 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3687 if (!ost->stream_copy) {
3688 char *sample_fmt = NULL;
3690 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3692 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3694 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3695 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3699 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3705 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3709 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3710 if (!ost->stream_copy) {
3711 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3718 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3720 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3721 ost->stream_copy = 1;
3725 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3729 AVCodecContext *subtitle_enc;
3731 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3733 subtitle_enc = st->codec;
3735 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3740 /* arg format is "output-stream-index:streamid-value". */
3741 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3747 av_strlcpy(idx_str, arg, sizeof(idx_str));
3748 p = strchr(idx_str, ':');
3750 av_log(NULL, AV_LOG_FATAL,
3751 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3756 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3757 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3758 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3762 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3764 AVFormatContext *is = ifile->ctx;
3765 AVFormatContext *os = ofile->ctx;
3768 for (i = 0; i < is->nb_chapters; i++) {
3769 AVChapter *in_ch = is->chapters[i], *out_ch;
3770 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3771 AV_TIME_BASE_Q, in_ch->time_base);
3772 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3773 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3776 if (in_ch->end < ts_off)
3778 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3781 out_ch = av_mallocz(sizeof(AVChapter));
3783 return AVERROR(ENOMEM);
3785 out_ch->id = in_ch->id;
3786 out_ch->time_base = in_ch->time_base;
3787 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3788 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3791 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3794 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
3796 return AVERROR(ENOMEM);
3797 os->chapters[os->nb_chapters - 1] = out_ch;
3802 static void opt_output_file(void *optctx, const char *filename)
3804 OptionsContext *o = optctx;
3805 AVFormatContext *oc;
3807 AVOutputFormat *file_oformat;
3811 if (!strcmp(filename, "-"))
3814 oc = avformat_alloc_context();
3816 print_error(filename, AVERROR(ENOMEM));
3821 file_oformat = av_guess_format(o->format, NULL, NULL);
3822 if (!file_oformat) {
3823 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
3827 file_oformat = av_guess_format(NULL, filename, NULL);
3828 if (!file_oformat) {
3829 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3835 oc->oformat = file_oformat;
3836 oc->interrupt_callback = int_cb;
3837 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3839 if (!o->nb_stream_maps) {
3840 /* pick the "best" stream of each type */
3841 #define NEW_STREAM(type, index)\
3843 ost = new_ ## type ## _stream(o, oc);\
3844 ost->source_index = index;\
3845 ost->sync_ist = &input_streams[index];\
3846 input_streams[index].discard = 0;\
3849 /* video: highest resolution */
3850 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3851 int area = 0, idx = -1;
3852 for (i = 0; i < nb_input_streams; i++) {
3853 ist = &input_streams[i];
3854 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3855 ist->st->codec->width * ist->st->codec->height > area) {
3856 area = ist->st->codec->width * ist->st->codec->height;
3860 NEW_STREAM(video, idx);
3863 /* audio: most channels */
3864 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3865 int channels = 0, idx = -1;
3866 for (i = 0; i < nb_input_streams; i++) {
3867 ist = &input_streams[i];
3868 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3869 ist->st->codec->channels > channels) {
3870 channels = ist->st->codec->channels;
3874 NEW_STREAM(audio, idx);
3877 /* subtitles: pick first */
3878 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3879 for (i = 0; i < nb_input_streams; i++)
3880 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3881 NEW_STREAM(subtitle, i);
3885 /* do something with data? */
3887 for (i = 0; i < o->nb_stream_maps; i++) {
3888 StreamMap *map = &o->stream_maps[i];
3893 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3894 switch (ist->st->codec->codec_type) {
3895 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3896 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3897 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3898 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3899 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3901 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3902 map->file_index, map->stream_index);
3906 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3907 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3908 map->sync_stream_index];
3913 /* handle attached files */
3914 for (i = 0; i < o->nb_attachments; i++) {
3916 uint8_t *attachment;
3920 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3921 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3925 if ((len = avio_size(pb)) <= 0) {
3926 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3930 if (!(attachment = av_malloc(len))) {
3931 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3935 avio_read(pb, attachment, len);
3937 ost = new_attachment_stream(o, oc);
3938 ost->stream_copy = 0;
3939 ost->source_index = -1;
3940 ost->attachment_filename = o->attachments[i];
3941 ost->st->codec->extradata = attachment;
3942 ost->st->codec->extradata_size = len;
3944 p = strrchr(o->attachments[i], '/');
3945 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3949 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3950 output_files[nb_output_files - 1].ctx = oc;
3951 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3952 output_files[nb_output_files - 1].recording_time = o->recording_time;
3953 output_files[nb_output_files - 1].start_time = o->start_time;
3954 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3955 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3957 /* check filename in case of an image number is expected */
3958 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3959 if (!av_filename_number_test(oc->filename)) {
3960 print_error(oc->filename, AVERROR(EINVAL));
3965 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3966 /* test if it already exists to avoid losing precious files */
3967 assert_file_overwrite(filename);
3970 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
3971 &oc->interrupt_callback,
3972 &output_files[nb_output_files - 1].opts)) < 0) {
3973 print_error(filename, err);
3978 if (o->mux_preload) {
3980 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
3981 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
3983 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3984 oc->flags |= AVFMT_FLAG_NONBLOCK;
3987 for (i = 0; i < o->nb_metadata_map; i++) {
3989 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
3991 if (in_file_index < 0)
3993 if (in_file_index >= nb_input_files) {
3994 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
3997 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4001 if (o->chapters_input_file >= nb_input_files) {
4002 if (o->chapters_input_file == INT_MAX) {
4003 /* copy chapters from the first input file that has them*/
4004 o->chapters_input_file = -1;
4005 for (i = 0; i < nb_input_files; i++)
4006 if (input_files[i].ctx->nb_chapters) {
4007 o->chapters_input_file = i;
4011 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4012 o->chapters_input_file);
4016 if (o->chapters_input_file >= 0)
4017 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4018 !o->metadata_chapters_manual);
4020 /* copy global metadata by default */
4021 if (!o->metadata_global_manual && nb_input_files)
4022 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4023 AV_DICT_DONT_OVERWRITE);
4024 if (!o->metadata_streams_manual)
4025 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4027 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4029 ist = &input_streams[output_streams[i].source_index];
4030 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4033 /* process manually set metadata */
4034 for (i = 0; i < o->nb_metadata; i++) {
4037 const char *stream_spec;
4038 int index = 0, j, ret;
4040 val = strchr(o->metadata[i].u.str, '=');
4042 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4043 o->metadata[i].u.str);
4048 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4050 for (j = 0; j < oc->nb_streams; j++) {
4051 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4052 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4056 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4064 if (index < 0 || index >= oc->nb_chapters) {
4065 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4068 m = &oc->chapters[index]->metadata;
4071 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4074 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4081 /* same option as mencoder */
4082 static int opt_pass(const char *opt, const char *arg)
4084 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4088 static int64_t getutime(void)
4091 struct rusage rusage;
4093 getrusage(RUSAGE_SELF, &rusage);
4094 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4095 #elif HAVE_GETPROCESSTIMES
4097 FILETIME c, e, k, u;
4098 proc = GetCurrentProcess();
4099 GetProcessTimes(proc, &c, &e, &k, &u);
4100 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4102 return av_gettime();
4106 static int64_t getmaxrss(void)
4108 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4109 struct rusage rusage;
4110 getrusage(RUSAGE_SELF, &rusage);
4111 return (int64_t)rusage.ru_maxrss * 1024;
4112 #elif HAVE_GETPROCESSMEMORYINFO
4114 PROCESS_MEMORY_COUNTERS memcounters;
4115 proc = GetCurrentProcess();
4116 memcounters.cb = sizeof(memcounters);
4117 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4118 return memcounters.PeakPagefileUsage;
4124 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4126 return parse_option(o, "q:a", arg, options);
4129 static void show_usage(void)
4131 printf("Hyper fast Audio and Video encoder\n");
4132 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4136 static void show_help(void)
4138 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4139 av_log_set_callback(log_callback_help);
4141 show_help_options(options, "Main options:\n",
4142 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4143 show_help_options(options, "\nAdvanced options:\n",
4144 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4146 show_help_options(options, "\nVideo options:\n",
4147 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4149 show_help_options(options, "\nAdvanced Video options:\n",
4150 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4151 OPT_VIDEO | OPT_EXPERT);
4152 show_help_options(options, "\nAudio options:\n",
4153 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4155 show_help_options(options, "\nAdvanced Audio options:\n",
4156 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4157 OPT_AUDIO | OPT_EXPERT);
4158 show_help_options(options, "\nSubtitle options:\n",
4159 OPT_SUBTITLE | OPT_GRAB,
4161 show_help_options(options, "\nAudio/Video grab options:\n",
4165 show_help_children(avcodec_get_class(), flags);
4166 show_help_children(avformat_get_class(), flags);
4167 show_help_children(sws_get_class(), flags);
4170 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4172 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4173 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4175 if (!strncmp(arg, "pal-", 4)) {
4178 } else if (!strncmp(arg, "ntsc-", 5)) {
4181 } else if (!strncmp(arg, "film-", 5)) {
4185 /* Try to determine PAL/NTSC by peeking in the input files */
4186 if (nb_input_files) {
4188 for (j = 0; j < nb_input_files; j++) {
4189 for (i = 0; i < input_files[j].nb_streams; i++) {
4190 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4191 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4193 fr = c->time_base.den * 1000 / c->time_base.num;
4197 } else if ((fr == 29970) || (fr == 23976)) {
4202 if (norm != UNKNOWN)
4206 if (norm != UNKNOWN)
4207 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4210 if (norm == UNKNOWN) {
4211 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4212 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4213 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4217 if (!strcmp(arg, "vcd")) {
4218 opt_video_codec(o, "c:v", "mpeg1video");
4219 opt_audio_codec(o, "c:a", "mp2");
4220 parse_option(o, "f", "vcd", options);
4222 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4223 parse_option(o, "r", frame_rates[norm], options);
4224 opt_default("g", norm == PAL ? "15" : "18");
4226 opt_default("b", "1150000");
4227 opt_default("maxrate", "1150000");
4228 opt_default("minrate", "1150000");
4229 opt_default("bufsize", "327680"); // 40*1024*8;
4231 opt_default("b:a", "224000");
4232 parse_option(o, "ar", "44100", options);
4233 parse_option(o, "ac", "2", options);
4235 opt_default("packetsize", "2324");
4236 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4238 /* We have to offset the PTS, so that it is consistent with the SCR.
4239 SCR starts at 36000, but the first two packs contain only padding
4240 and the first pack from the other stream, respectively, may also have
4241 been written before.
4242 So the real data starts at SCR 36000+3*1200. */
4243 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4244 } else if (!strcmp(arg, "svcd")) {
4246 opt_video_codec(o, "c:v", "mpeg2video");
4247 opt_audio_codec(o, "c:a", "mp2");
4248 parse_option(o, "f", "svcd", options);
4250 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4251 parse_option(o, "r", frame_rates[norm], options);
4252 opt_default("g", norm == PAL ? "15" : "18");
4254 opt_default("b", "2040000");
4255 opt_default("maxrate", "2516000");
4256 opt_default("minrate", "0"); // 1145000;
4257 opt_default("bufsize", "1835008"); // 224*1024*8;
4258 opt_default("flags", "+scan_offset");
4261 opt_default("b:a", "224000");
4262 parse_option(o, "ar", "44100", options);
4264 opt_default("packetsize", "2324");
4266 } else if (!strcmp(arg, "dvd")) {
4268 opt_video_codec(o, "c:v", "mpeg2video");
4269 opt_audio_codec(o, "c:a", "ac3");
4270 parse_option(o, "f", "dvd", options);
4272 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4273 parse_option(o, "r", frame_rates[norm], options);
4274 opt_default("g", norm == PAL ? "15" : "18");
4276 opt_default("b", "6000000");
4277 opt_default("maxrate", "9000000");
4278 opt_default("minrate", "0"); // 1500000;
4279 opt_default("bufsize", "1835008"); // 224*1024*8;
4281 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4282 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4284 opt_default("b:a", "448000");
4285 parse_option(o, "ar", "48000", options);
4287 } else if (!strncmp(arg, "dv", 2)) {
4289 parse_option(o, "f", "dv", options);
4291 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4292 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4293 norm == PAL ? "yuv420p" : "yuv411p", options);
4294 parse_option(o, "r", frame_rates[norm], options);
4296 parse_option(o, "ar", "48000", options);
4297 parse_option(o, "ac", "2", options);
4300 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4301 return AVERROR(EINVAL);
4306 static int opt_vstats_file(const char *opt, const char *arg)
4308 av_free (vstats_filename);
4309 vstats_filename = av_strdup (arg);
4313 static int opt_vstats(const char *opt, const char *arg)
4316 time_t today2 = time(NULL);
4317 struct tm *today = localtime(&today2);
4319 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4321 return opt_vstats_file(opt, filename);
4324 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4326 return parse_option(o, "frames:v", arg, options);
4329 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4331 return parse_option(o, "frames:a", arg, options);
4334 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4336 return parse_option(o, "frames:d", arg, options);
4339 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4341 return parse_option(o, "tag:v", arg, options);
4344 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4346 return parse_option(o, "tag:a", arg, options);
4349 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4351 return parse_option(o, "tag:s", arg, options);
4354 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4356 return parse_option(o, "filter:v", arg, options);
4359 static int opt_vsync(const char *opt, const char *arg)
4361 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4362 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4363 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4365 if (video_sync_method == VSYNC_AUTO)
4366 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4370 static int opt_deinterlace(const char *opt, const char *arg)
4372 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4377 #define OFFSET(x) offsetof(OptionsContext, x)
4378 static const OptionDef options[] = {
4380 #include "cmdutils_common_opts.h"
4381 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4382 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4383 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4384 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4385 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4386 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4387 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4388 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4389 "outfile[,metadata]:infile[,metadata]" },
4390 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4391 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4392 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4393 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4394 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4395 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4396 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4397 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4398 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4399 "add timings for benchmarking" },
4400 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4401 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4402 "dump each input packet" },
4403 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4404 "when dumping packets, also dump the payload" },
4405 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4406 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4407 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4408 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4409 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4410 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4411 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4412 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4413 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4414 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4415 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4416 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4417 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4418 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4419 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4421 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4423 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4424 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4425 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4428 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4429 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4430 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4431 { "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" },
4432 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4433 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4434 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4435 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4436 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4437 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4438 "use same quantizer as source (implies VBR)" },
4439 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4440 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4441 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
4442 "this option is deprecated, use the yadif filter instead" },
4443 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4444 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4446 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4448 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4449 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4450 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4451 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4452 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4453 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4454 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4455 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4456 { "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" },
4459 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4460 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4461 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4462 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4463 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4464 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4465 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4466 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4467 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4469 /* subtitle options */
4470 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4471 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4472 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4475 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4478 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4479 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4481 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4483 /* data codec support */
4484 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4486 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4490 int main(int argc, char **argv)
4492 OptionsContext o = { 0 };
4497 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4498 parse_loglevel(argc, argv, options);
4500 avcodec_register_all();
4502 avdevice_register_all();
4505 avfilter_register_all();
4508 avformat_network_init();
4513 parse_options(&o, argc, argv, options, opt_output_file);
4515 if (nb_output_files <= 0 && nb_input_files == 0) {
4517 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4521 /* file converter / grab */
4522 if (nb_output_files <= 0) {
4523 fprintf(stderr, "At least one output file must be specified\n");
4527 if (nb_input_files == 0) {
4528 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4533 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4535 ti = getutime() - ti;
4537 int maxrss = getmaxrss() / 1024;
4538 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);