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 uint8_t *audio_out;
145 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
147 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
149 typedef struct FrameBuffer {
155 enum PixelFormat pix_fmt;
158 struct InputStream *ist;
159 struct FrameBuffer *next;
162 typedef struct InputStream {
165 int discard; /* true if stream data should be discarded */
166 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
168 AVFrame *decoded_frame;
169 AVFrame *filtered_frame;
171 int64_t start; /* time when read started */
172 int64_t next_pts; /* synthetic pts for cases where pkt.pts
174 int64_t pts; /* current pts */
175 PtsCorrectionContext pts_ctx;
177 int is_start; /* is 1 at the start and after a discontinuity */
178 int showed_multi_packet_warning;
181 /* a pool of free buffers for decoded data */
182 FrameBuffer *buffer_pool;
185 typedef struct InputFile {
186 AVFormatContext *ctx;
187 int eof_reached; /* true if eof reached */
188 int ist_index; /* index of first stream in ist_table */
189 int buffer_size; /* current total buffer size */
191 int nb_streams; /* number of stream that avconv is aware of; may be different
192 from ctx.nb_streams if new streams appear during av_read_frame() */
196 typedef struct OutputStream {
197 int file_index; /* file index */
198 int index; /* stream index in the output file */
199 int source_index; /* InputStream index */
200 AVStream *st; /* stream in the output file */
201 int encoding_needed; /* true if encoding needed for this stream */
203 /* input pts and corresponding output pts
205 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
206 struct InputStream *sync_ist; /* input stream to sync against */
207 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
208 AVBitStreamFilterContext *bitstream_filters;
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 (int 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 FFSinkContext ffsink_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, &ffsink,
574 "out", NULL, &ffsink_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)
611 av_freep(&ost->avfilter);
613 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
617 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
620 codec->width = ost->output_video_filter->inputs[0]->w;
621 codec->height = ost->output_video_filter->inputs[0]->h;
622 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
623 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
624 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
625 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
629 #endif /* CONFIG_AVFILTER */
631 static void term_exit(void)
633 av_log(NULL, AV_LOG_QUIET, "");
636 static volatile int received_sigterm = 0;
637 static volatile int received_nb_signals = 0;
640 sigterm_handler(int sig)
642 received_sigterm = sig;
643 received_nb_signals++;
647 static void term_init(void)
649 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
650 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
652 signal(SIGXCPU, sigterm_handler);
656 static int decode_interrupt_cb(void *ctx)
658 return received_nb_signals > 1;
661 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
663 void exit_program(int ret)
668 for (i = 0; i < nb_output_files; i++) {
669 AVFormatContext *s = output_files[i].ctx;
670 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
672 avformat_free_context(s);
673 av_dict_free(&output_files[i].opts);
675 for (i = 0; i < nb_output_streams; i++) {
676 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
678 AVBitStreamFilterContext *next = bsfc->next;
679 av_bitstream_filter_close(bsfc);
682 output_streams[i].bitstream_filters = NULL;
684 for (i = 0; i < nb_input_files; i++) {
685 avformat_close_input(&input_files[i].ctx);
687 for (i = 0; i < nb_input_streams; i++) {
688 av_freep(&input_streams[i].decoded_frame);
689 av_freep(&input_streams[i].filtered_frame);
690 av_dict_free(&input_streams[i].opts);
691 free_buffer_pool(&input_streams[i]);
696 av_free(vstats_filename);
698 av_freep(&input_streams);
699 av_freep(&input_files);
700 av_freep(&output_streams);
701 av_freep(&output_files);
706 allocated_audio_buf_size = allocated_audio_out_size = 0;
711 avformat_network_deinit();
713 if (received_sigterm) {
714 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
715 (int) received_sigterm);
722 static void assert_avoptions(AVDictionary *m)
724 AVDictionaryEntry *t;
725 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
726 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
731 static void assert_codec_experimental(AVCodecContext *c, int encoder)
733 const char *codec_string = encoder ? "encoder" : "decoder";
735 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
736 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
737 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
738 "results.\nAdd '-strict experimental' if you want to use it.\n",
739 codec_string, c->codec->name);
740 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
741 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
742 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
743 codec_string, codec->name);
748 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
750 if (codec && codec->sample_fmts) {
751 const enum AVSampleFormat *p = codec->sample_fmts;
752 for (; *p != -1; p++) {
753 if (*p == st->codec->sample_fmt)
757 av_log(NULL, AV_LOG_WARNING,
758 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
759 av_get_sample_fmt_name(st->codec->sample_fmt),
761 av_get_sample_fmt_name(codec->sample_fmts[0]));
762 st->codec->sample_fmt = codec->sample_fmts[0];
768 * Update the requested input sample format based on the output sample format.
769 * This is currently only used to request float output from decoders which
770 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
771 * Ideally this will be removed in the future when decoders do not do format
772 * conversion and only output in their native format.
774 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
777 /* if sample formats match or a decoder sample format has already been
778 requested, just return */
779 if (enc->sample_fmt == dec->sample_fmt ||
780 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
783 /* if decoder supports more than one output format */
784 if (dec_codec && dec_codec->sample_fmts &&
785 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
786 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
787 const enum AVSampleFormat *p;
788 int min_dec = -1, min_inc = -1;
790 /* find a matching sample format in the encoder */
791 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
792 if (*p == enc->sample_fmt) {
793 dec->request_sample_fmt = *p;
795 } else if (*p > enc->sample_fmt) {
796 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
798 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
801 /* if none match, provide the one that matches quality closest */
802 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
803 enc->sample_fmt - min_dec;
807 static void choose_sample_rate(AVStream *st, AVCodec *codec)
809 if (codec && codec->supported_samplerates) {
810 const int *p = codec->supported_samplerates;
812 int best_dist = INT_MAX;
814 int dist = abs(st->codec->sample_rate - *p);
815 if (dist < best_dist) {
821 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
823 st->codec->sample_rate = best;
827 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
829 if (codec && codec->pix_fmts) {
830 const enum PixelFormat *p = codec->pix_fmts;
831 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
832 if (st->codec->codec_id == CODEC_ID_MJPEG) {
833 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
834 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
835 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
836 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
839 for (; *p != PIX_FMT_NONE; p++) {
840 if (*p == st->codec->pix_fmt)
843 if (*p == PIX_FMT_NONE) {
844 if (st->codec->pix_fmt != PIX_FMT_NONE)
845 av_log(NULL, AV_LOG_WARNING,
846 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
847 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
849 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
850 st->codec->pix_fmt = codec->pix_fmts[0];
856 get_sync_ipts(const OutputStream *ost)
858 const InputStream *ist = ost->sync_ist;
859 OutputFile *of = &output_files[ost->file_index];
860 return (double)(ist->pts - of->start_time) / AV_TIME_BASE;
863 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
865 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
866 AVCodecContext *avctx = ost->st->codec;
870 AVPacket new_pkt = *pkt;
871 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
872 &new_pkt.data, &new_pkt.size,
873 pkt->data, pkt->size,
874 pkt->flags & AV_PKT_FLAG_KEY);
877 new_pkt.destruct = av_destruct_packet;
879 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
880 bsfc->filter->name, pkt->stream_index,
881 avctx->codec ? avctx->codec->name : "copy");
891 ret = av_interleaved_write_frame(s, pkt);
893 print_error("av_interleaved_write_frame()", ret);
899 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
901 int fill_char = 0x00;
902 if (sample_fmt == AV_SAMPLE_FMT_U8)
904 memset(buf, fill_char, size);
907 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
908 InputStream *ist, AVFrame *decoded_frame)
911 int64_t audio_out_size, audio_buf_size;
913 int size_out, frame_bytes, ret, resample_changed;
914 AVCodecContext *enc = ost->st->codec;
915 AVCodecContext *dec = ist->st->codec;
916 int osize = av_get_bytes_per_sample(enc->sample_fmt);
917 int isize = av_get_bytes_per_sample(dec->sample_fmt);
918 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
919 uint8_t *buf = decoded_frame->data[0];
920 int size = decoded_frame->nb_samples * dec->channels * isize;
921 int64_t allocated_for_size = size;
924 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
925 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
926 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
927 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
928 audio_buf_size *= osize * enc->channels;
930 audio_out_size = FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
931 if (coded_bps > 8 * osize)
932 audio_out_size = audio_out_size * coded_bps / (8*osize);
933 audio_out_size += FF_MIN_BUFFER_SIZE;
935 if (audio_out_size > INT_MAX || audio_buf_size > INT_MAX) {
936 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
940 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
941 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
942 if (!audio_buf || !audio_out) {
943 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
947 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
948 ost->audio_resample = 1;
950 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
951 ost->resample_channels != dec->channels ||
952 ost->resample_sample_rate != dec->sample_rate;
954 if ((ost->audio_resample && !ost->resample) || resample_changed) {
955 if (resample_changed) {
956 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",
957 ist->file_index, ist->st->index,
958 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
959 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
960 ost->resample_sample_fmt = dec->sample_fmt;
961 ost->resample_channels = dec->channels;
962 ost->resample_sample_rate = dec->sample_rate;
964 audio_resample_close(ost->resample);
966 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
967 if (audio_sync_method <= 1 &&
968 ost->resample_sample_fmt == enc->sample_fmt &&
969 ost->resample_channels == enc->channels &&
970 ost->resample_sample_rate == enc->sample_rate) {
971 ost->resample = NULL;
972 ost->audio_resample = 0;
973 } else if (ost->audio_resample) {
974 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
975 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
976 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
977 enc->sample_rate, dec->sample_rate,
978 enc->sample_fmt, dec->sample_fmt,
980 if (!ost->resample) {
981 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
982 dec->channels, dec->sample_rate,
983 enc->channels, enc->sample_rate);
989 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
990 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
991 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
992 if (ost->reformat_ctx)
993 av_audio_convert_free(ost->reformat_ctx);
994 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
995 dec->sample_fmt, 1, NULL, 0);
996 if (!ost->reformat_ctx) {
997 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
998 av_get_sample_fmt_name(dec->sample_fmt),
999 av_get_sample_fmt_name(enc->sample_fmt));
1002 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
1005 if (audio_sync_method) {
1006 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts -
1007 av_fifo_size(ost->fifo) / (enc->channels * osize);
1008 int idelta = delta * dec->sample_rate / enc->sample_rate;
1009 int byte_delta = idelta * isize * dec->channels;
1011 // FIXME resample delay
1012 if (fabs(delta) > 50) {
1013 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1014 if (byte_delta < 0) {
1015 byte_delta = FFMAX(byte_delta, -size);
1018 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1019 -byte_delta / (isize * dec->channels));
1024 static uint8_t *input_tmp = NULL;
1025 input_tmp = av_realloc(input_tmp, byte_delta + size);
1027 if (byte_delta > allocated_for_size - size) {
1028 allocated_for_size = byte_delta + (int64_t)size;
1033 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1034 memcpy(input_tmp + byte_delta, buf, size);
1037 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1039 } else if (audio_sync_method > 1) {
1040 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1041 av_assert0(ost->audio_resample);
1042 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1043 delta, comp, enc->sample_rate);
1044 // 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));
1045 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1049 ost->sync_opts = lrintf(get_sync_ipts(ost) * enc->sample_rate) -
1050 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1052 if (ost->audio_resample) {
1054 size_out = audio_resample(ost->resample,
1055 (short *)buftmp, (short *)buf,
1056 size / (dec->channels * isize));
1057 size_out = size_out * enc->channels * osize;
1063 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1064 const void *ibuf[6] = { buftmp };
1065 void *obuf[6] = { audio_buf };
1066 int istride[6] = { isize };
1067 int ostride[6] = { osize };
1068 int len = size_out / istride[0];
1069 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
1070 printf("av_audio_convert() failed\n");
1076 size_out = len * osize;
1079 /* now encode as many frames as possible */
1080 if (enc->frame_size > 1) {
1081 /* output resampled raw samples */
1082 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1083 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1086 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1088 frame_bytes = enc->frame_size * osize * enc->channels;
1090 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1092 av_init_packet(&pkt);
1094 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1096 // FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1098 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
1099 (short *)audio_buf);
1101 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1105 pkt.stream_index = ost->index;
1106 pkt.data = audio_out;
1108 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1109 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1110 pkt.flags |= AV_PKT_FLAG_KEY;
1111 write_frame(s, &pkt, ost);
1113 ost->sync_opts += enc->frame_size;
1117 av_init_packet(&pkt);
1119 ost->sync_opts += size_out / (osize * enc->channels);
1121 /* output a pcm frame */
1122 /* determine the size of the coded buffer */
1125 size_out = size_out * coded_bps / 8;
1127 if (size_out > audio_out_size) {
1128 av_log(NULL, AV_LOG_FATAL, "Internal error, buffer size too small\n");
1132 // FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
1133 ret = avcodec_encode_audio(enc, audio_out, size_out,
1136 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1140 pkt.stream_index = ost->index;
1141 pkt.data = audio_out;
1143 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1144 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1145 pkt.flags |= AV_PKT_FLAG_KEY;
1146 write_frame(s, &pkt, ost);
1150 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1152 AVCodecContext *dec;
1153 AVPicture *picture2;
1154 AVPicture picture_tmp;
1157 dec = ist->st->codec;
1159 /* deinterlace : must be done before any resize */
1160 if (do_deinterlace) {
1163 /* create temporary picture */
1164 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1165 buf = av_malloc(size);
1169 picture2 = &picture_tmp;
1170 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1172 if (avpicture_deinterlace(picture2, picture,
1173 dec->pix_fmt, dec->width, dec->height) < 0) {
1174 /* if error, do not deinterlace */
1175 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1184 if (picture != picture2)
1185 *picture = *picture2;
1189 static void do_subtitle_out(AVFormatContext *s,
1195 static uint8_t *subtitle_out = NULL;
1196 int subtitle_out_max_size = 1024 * 1024;
1197 int subtitle_out_size, nb, i;
1198 AVCodecContext *enc;
1201 if (pts == AV_NOPTS_VALUE) {
1202 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1208 enc = ost->st->codec;
1210 if (!subtitle_out) {
1211 subtitle_out = av_malloc(subtitle_out_max_size);
1214 /* Note: DVB subtitle need one packet to draw them and one other
1215 packet to clear them */
1216 /* XXX: signal it in the codec context ? */
1217 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1222 for (i = 0; i < nb; i++) {
1223 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1224 // start_display_time is required to be 0
1225 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1226 sub->end_display_time -= sub->start_display_time;
1227 sub->start_display_time = 0;
1228 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1229 subtitle_out_max_size, sub);
1230 if (subtitle_out_size < 0) {
1231 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1235 av_init_packet(&pkt);
1236 pkt.stream_index = ost->index;
1237 pkt.data = subtitle_out;
1238 pkt.size = subtitle_out_size;
1239 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1240 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1241 /* XXX: the pts correction is handled here. Maybe handling
1242 it in the codec would be better */
1244 pkt.pts += 90 * sub->start_display_time;
1246 pkt.pts += 90 * sub->end_display_time;
1248 write_frame(s, &pkt, ost);
1252 static int bit_buffer_size = 1024 * 256;
1253 static uint8_t *bit_buffer = NULL;
1255 static void do_video_resample(OutputStream *ost,
1257 AVFrame *in_picture,
1258 AVFrame **out_picture)
1260 int resample_changed = 0;
1261 AVCodecContext *dec = ist->st->codec;
1262 *out_picture = in_picture;
1264 resample_changed = ost->resample_width != dec->width ||
1265 ost->resample_height != dec->height ||
1266 ost->resample_pix_fmt != dec->pix_fmt;
1268 if (resample_changed) {
1269 av_log(NULL, AV_LOG_INFO,
1270 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1271 ist->file_index, ist->st->index,
1272 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1273 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1274 if (!ost->video_resample)
1275 ost->video_resample = 1;
1278 #if !CONFIG_AVFILTER
1279 if (ost->video_resample) {
1280 *out_picture = &ost->pict_tmp;
1281 if (resample_changed) {
1282 /* initialize a new scaler context */
1283 sws_freeContext(ost->img_resample_ctx);
1284 ost->img_resample_ctx = sws_getContext(
1285 ist->st->codec->width,
1286 ist->st->codec->height,
1287 ist->st->codec->pix_fmt,
1288 ost->st->codec->width,
1289 ost->st->codec->height,
1290 ost->st->codec->pix_fmt,
1291 ost->sws_flags, NULL, NULL, NULL);
1292 if (ost->img_resample_ctx == NULL) {
1293 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1297 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1298 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1301 if (resample_changed) {
1302 avfilter_graph_free(&ost->graph);
1303 if (configure_video_filters(ist, ost)) {
1304 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1309 if (resample_changed) {
1310 ost->resample_width = dec->width;
1311 ost->resample_height = dec->height;
1312 ost->resample_pix_fmt = dec->pix_fmt;
1317 static void do_video_out(AVFormatContext *s,
1320 AVFrame *in_picture,
1321 int *frame_size, float quality)
1323 int nb_frames, i, ret, format_video_sync;
1324 AVFrame *final_picture;
1325 AVCodecContext *enc;
1328 enc = ost->st->codec;
1330 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1332 /* by default, we output a single frame */
1337 format_video_sync = video_sync_method;
1338 if (format_video_sync == VSYNC_AUTO)
1339 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1340 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
1342 if (format_video_sync != VSYNC_PASSTHROUGH) {
1343 double vdelta = sync_ipts - ost->sync_opts;
1344 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1347 else if (format_video_sync == VSYNC_VFR) {
1348 if (vdelta <= -0.6) {
1350 } else if (vdelta > 0.6)
1351 ost->sync_opts = lrintf(sync_ipts);
1352 } else if (vdelta > 1.1)
1353 nb_frames = lrintf(vdelta);
1354 //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);
1355 if (nb_frames == 0) {
1357 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1358 } else if (nb_frames > 1) {
1359 nb_frames_dup += nb_frames - 1;
1360 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1363 ost->sync_opts = lrintf(sync_ipts);
1365 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1369 do_video_resample(ost, ist, in_picture, &final_picture);
1371 /* duplicates frame if needed */
1372 for (i = 0; i < nb_frames; i++) {
1374 av_init_packet(&pkt);
1375 pkt.stream_index = ost->index;
1377 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1378 enc->codec->id == CODEC_ID_RAWVIDEO) {
1379 /* raw pictures are written as AVPicture structure to
1380 avoid any copies. We support temporarily the older
1382 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1383 enc->coded_frame->top_field_first = in_picture->top_field_first;
1384 pkt.data = (uint8_t *)final_picture;
1385 pkt.size = sizeof(AVPicture);
1386 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1387 pkt.flags |= AV_PKT_FLAG_KEY;
1389 write_frame(s, &pkt, ost);
1391 AVFrame big_picture;
1393 big_picture = *final_picture;
1394 /* better than nothing: use input picture interlaced
1396 big_picture.interlaced_frame = in_picture->interlaced_frame;
1397 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1398 if (ost->top_field_first == -1)
1399 big_picture.top_field_first = in_picture->top_field_first;
1401 big_picture.top_field_first = !!ost->top_field_first;
1404 /* handles same_quant here. This is not correct because it may
1405 not be a global option */
1406 big_picture.quality = quality;
1407 if (!enc->me_threshold)
1408 big_picture.pict_type = 0;
1409 // big_picture.pts = AV_NOPTS_VALUE;
1410 big_picture.pts = ost->sync_opts;
1411 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1412 // av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1413 if (ost->forced_kf_index < ost->forced_kf_count &&
1414 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1415 big_picture.pict_type = AV_PICTURE_TYPE_I;
1416 ost->forced_kf_index++;
1418 ret = avcodec_encode_video(enc,
1419 bit_buffer, bit_buffer_size,
1422 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1427 pkt.data = bit_buffer;
1429 if (enc->coded_frame->pts != AV_NOPTS_VALUE)
1430 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1431 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1432 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1433 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1435 if (enc->coded_frame->key_frame)
1436 pkt.flags |= AV_PKT_FLAG_KEY;
1437 write_frame(s, &pkt, ost);
1440 // fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1441 // enc->frame_number-1, ret, enc->pict_type);
1442 /* if two pass, output log */
1443 if (ost->logfile && enc->stats_out) {
1444 fprintf(ost->logfile, "%s", enc->stats_out);
1452 static double psnr(double d)
1454 return -10.0 * log(d) / log(10.0);
1457 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1460 AVCodecContext *enc;
1462 double ti1, bitrate, avg_bitrate;
1464 /* this is executed just the first time do_video_stats is called */
1466 vstats_file = fopen(vstats_filename, "w");
1473 enc = ost->st->codec;
1474 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1475 frame_number = ost->frame_number;
1476 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1477 if (enc->flags&CODEC_FLAG_PSNR)
1478 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1480 fprintf(vstats_file,"f_size= %6d ", frame_size);
1481 /* compute pts value */
1482 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1486 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1487 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1488 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1489 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1490 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1494 static void print_report(OutputFile *output_files,
1495 OutputStream *ost_table, int nb_ostreams,
1496 int is_last_report, int64_t timer_start)
1500 AVFormatContext *oc;
1502 AVCodecContext *enc;
1503 int frame_number, vid, i;
1504 double bitrate, ti1, pts;
1505 static int64_t last_time = -1;
1506 static int qp_histogram[52];
1508 if (!print_stats && !is_last_report)
1511 if (!is_last_report) {
1513 /* display the report every 0.5 seconds */
1514 cur_time = av_gettime();
1515 if (last_time == -1) {
1516 last_time = cur_time;
1519 if ((cur_time - last_time) < 500000)
1521 last_time = cur_time;
1525 oc = output_files[0].ctx;
1527 total_size = avio_size(oc->pb);
1528 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1529 total_size = avio_tell(oc->pb);
1534 for (i = 0; i < nb_ostreams; i++) {
1536 ost = &ost_table[i];
1537 enc = ost->st->codec;
1538 if (!ost->stream_copy && enc->coded_frame)
1539 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1540 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1541 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1543 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1544 float t = (av_gettime() - timer_start) / 1000000.0;
1546 frame_number = ost->frame_number;
1547 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1548 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1550 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1554 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1556 for (j = 0; j < 32; j++)
1557 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1559 if (enc->flags&CODEC_FLAG_PSNR) {
1561 double error, error_sum = 0;
1562 double scale, scale_sum = 0;
1563 char type[3] = { 'Y','U','V' };
1564 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1565 for (j = 0; j < 3; j++) {
1566 if (is_last_report) {
1567 error = enc->error[j];
1568 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1570 error = enc->coded_frame->error[j];
1571 scale = enc->width * enc->height * 255.0 * 255.0;
1577 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1579 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1583 /* compute min output value */
1584 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1585 if ((pts < ti1) && (pts > 0))
1591 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1593 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1594 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1595 (double)total_size / 1024, ti1, bitrate);
1597 if (nb_frames_dup || nb_frames_drop)
1598 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1599 nb_frames_dup, nb_frames_drop);
1601 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1605 if (is_last_report) {
1606 int64_t raw= audio_size + video_size + extra_size;
1607 av_log(NULL, AV_LOG_INFO, "\n");
1608 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1609 video_size / 1024.0,
1610 audio_size / 1024.0,
1611 extra_size / 1024.0,
1612 100.0 * (total_size - raw) / raw
1617 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1621 for (i = 0; i < nb_ostreams; i++) {
1622 OutputStream *ost = &ost_table[i];
1623 AVCodecContext *enc = ost->st->codec;
1624 AVFormatContext *os = output_files[ost->file_index].ctx;
1626 if (!ost->encoding_needed)
1629 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1631 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1637 av_init_packet(&pkt);
1638 pkt.stream_index = ost->index;
1640 switch (ost->st->codec->codec_type) {
1641 case AVMEDIA_TYPE_AUDIO:
1642 fifo_bytes = av_fifo_size(ost->fifo);
1644 /* encode any samples remaining in fifo */
1645 if (fifo_bytes > 0) {
1646 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1647 int fs_tmp = enc->frame_size;
1649 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1650 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1651 enc->frame_size = fifo_bytes / (osize * enc->channels);
1653 int frame_bytes = enc->frame_size*osize*enc->channels;
1654 if (allocated_audio_buf_size < frame_bytes)
1656 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1659 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1660 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1661 ost->st->time_base.num, enc->sample_rate);
1662 enc->frame_size = fs_tmp;
1665 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1668 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1672 pkt.flags |= AV_PKT_FLAG_KEY;
1674 case AVMEDIA_TYPE_VIDEO:
1675 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1677 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1681 if (enc->coded_frame && enc->coded_frame->key_frame)
1682 pkt.flags |= AV_PKT_FLAG_KEY;
1683 if (ost->logfile && enc->stats_out) {
1684 fprintf(ost->logfile, "%s", enc->stats_out);
1693 pkt.data = bit_buffer;
1695 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1696 pkt.pts = av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1697 write_frame(os, &pkt, ost);
1703 * Check whether a packet from ist should be written into ost at this time
1705 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1707 OutputFile *of = &output_files[ost->file_index];
1708 int ist_index = ist - input_streams;
1710 if (ost->source_index != ist_index)
1713 if (of->start_time && ist->pts < of->start_time)
1716 if (of->recording_time != INT64_MAX &&
1717 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1718 (AVRational){ 1, 1000000 }) >= 0) {
1719 ost->is_past_recording_time = 1;
1726 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1728 OutputFile *of = &output_files[ost->file_index];
1729 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1732 av_init_packet(&opkt);
1734 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1735 !ost->copy_initial_nonkeyframes)
1738 /* force the input stream PTS */
1739 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1740 audio_size += pkt->size;
1741 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1742 video_size += pkt->size;
1746 opkt.stream_index = ost->index;
1747 if (pkt->pts != AV_NOPTS_VALUE)
1748 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1750 opkt.pts = AV_NOPTS_VALUE;
1752 if (pkt->dts == AV_NOPTS_VALUE)
1753 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1755 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1756 opkt.dts -= ost_tb_start_time;
1758 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1759 opkt.flags = pkt->flags;
1761 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1762 if ( ost->st->codec->codec_id != CODEC_ID_H264
1763 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1764 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1766 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1767 opkt.destruct = av_destruct_packet;
1769 opkt.data = pkt->data;
1770 opkt.size = pkt->size;
1773 write_frame(of->ctx, &opkt, ost);
1774 ost->st->codec->frame_number++;
1775 av_free_packet(&opkt);
1778 static void rate_emu_sleep(InputStream *ist)
1780 if (input_files[ist->file_index].rate_emu) {
1781 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1782 int64_t now = av_gettime() - ist->start;
1788 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1790 AVFrame *decoded_frame;
1791 AVCodecContext *avctx = ist->st->codec;
1792 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1795 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1796 return AVERROR(ENOMEM);
1798 avcodec_get_frame_defaults(ist->decoded_frame);
1799 decoded_frame = ist->decoded_frame;
1801 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1807 /* no audio frame */
1811 /* if the decoder provides a pts, use it instead of the last packet pts.
1812 the decoder could be delaying output by a packet or more. */
1813 if (decoded_frame->pts != AV_NOPTS_VALUE)
1814 ist->next_pts = decoded_frame->pts;
1816 /* increment next_pts to use for the case where the input stream does not
1817 have timestamps or there are multiple frames in the packet */
1818 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1821 // preprocess audio (volume)
1822 if (audio_volume != 256) {
1823 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1824 void *samples = decoded_frame->data[0];
1825 switch (avctx->sample_fmt) {
1826 case AV_SAMPLE_FMT_U8:
1828 uint8_t *volp = samples;
1829 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1830 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1831 *volp++ = av_clip_uint8(v);
1835 case AV_SAMPLE_FMT_S16:
1837 int16_t *volp = samples;
1838 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1839 int v = ((*volp) * audio_volume + 128) >> 8;
1840 *volp++ = av_clip_int16(v);
1844 case AV_SAMPLE_FMT_S32:
1846 int32_t *volp = samples;
1847 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1848 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1849 *volp++ = av_clipl_int32(v);
1853 case AV_SAMPLE_FMT_FLT:
1855 float *volp = samples;
1856 float scale = audio_volume / 256.f;
1857 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1862 case AV_SAMPLE_FMT_DBL:
1864 double *volp = samples;
1865 double scale = audio_volume / 256.;
1866 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1872 av_log(NULL, AV_LOG_FATAL,
1873 "Audio volume adjustment on sample format %s is not supported.\n",
1874 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1879 rate_emu_sleep(ist);
1881 for (i = 0; i < nb_output_streams; i++) {
1882 OutputStream *ost = &output_streams[i];
1884 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1886 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1892 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1894 AVFrame *decoded_frame, *filtered_frame = NULL;
1895 void *buffer_to_free = NULL;
1899 int frame_available = 1;
1902 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1903 return AVERROR(ENOMEM);
1905 avcodec_get_frame_defaults(ist->decoded_frame);
1906 decoded_frame = ist->decoded_frame;
1907 pkt->pts = *pkt_pts;
1908 pkt->dts = ist->pts;
1909 *pkt_pts = AV_NOPTS_VALUE;
1911 ret = avcodec_decode_video2(ist->st->codec,
1912 decoded_frame, got_output, pkt);
1916 quality = same_quant ? decoded_frame->quality : 0;
1918 /* no picture yet */
1921 ist->next_pts = ist->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1922 decoded_frame->pkt_dts);
1924 ist->next_pts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
1925 else if (ist->st->codec->time_base.num != 0) {
1926 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
1927 ist->st->codec->ticks_per_frame;
1928 ist->next_pts += ((int64_t)AV_TIME_BASE *
1929 ist->st->codec->time_base.num * ticks) /
1930 ist->st->codec->time_base.den;
1933 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1935 rate_emu_sleep(ist);
1937 for (i = 0; i < nb_output_streams; i++) {
1938 OutputStream *ost = &output_streams[i];
1941 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1945 if (ist->st->sample_aspect_ratio.num)
1946 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1947 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
1948 FrameBuffer *buf = decoded_frame->opaque;
1949 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
1950 decoded_frame->data, decoded_frame->linesize,
1951 AV_PERM_READ | AV_PERM_PRESERVE,
1952 ist->st->codec->width, ist->st->codec->height,
1953 ist->st->codec->pix_fmt);
1955 avfilter_copy_frame_props(fb, decoded_frame);
1957 fb->buf->priv = buf;
1958 fb->buf->free = filter_release_buffer;
1961 av_buffersrc_buffer(ost->input_video_filter, fb);
1963 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
1964 ist->pts, decoded_frame->sample_aspect_ratio);
1966 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
1967 av_free(buffer_to_free);
1968 return AVERROR(ENOMEM);
1970 avcodec_get_frame_defaults(ist->filtered_frame);
1971 filtered_frame = ist->filtered_frame;
1973 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1974 while (frame_available) {
1975 AVRational ist_pts_tb;
1976 if (ost->output_video_filter)
1977 get_filtered_video_frame(ost->output_video_filter, filtered_frame, &ost->picref, &ist_pts_tb);
1979 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1980 if (ost->picref->video && !ost->frame_aspect_ratio)
1981 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
1983 filtered_frame = decoded_frame;
1986 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
1987 same_quant ? quality : ost->st->codec->global_quality);
1988 if (vstats_filename && frame_size)
1989 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1991 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1993 avfilter_unref_buffer(ost->picref);
1998 av_free(buffer_to_free);
2002 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2004 AVSubtitle subtitle;
2005 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2006 &subtitle, got_output, pkt);
2012 rate_emu_sleep(ist);
2014 for (i = 0; i < nb_output_streams; i++) {
2015 OutputStream *ost = &output_streams[i];
2017 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2020 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2023 avsubtitle_free(&subtitle);
2027 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2028 static int output_packet(InputStream *ist,
2029 OutputStream *ost_table, int nb_ostreams,
2030 const AVPacket *pkt)
2034 int64_t pkt_pts = AV_NOPTS_VALUE;
2037 if (ist->next_pts == AV_NOPTS_VALUE)
2038 ist->next_pts = ist->pts;
2042 av_init_packet(&avpkt);
2050 if (pkt->dts != AV_NOPTS_VALUE)
2051 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2052 if (pkt->pts != AV_NOPTS_VALUE)
2053 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2055 // while we have more to decode or while the decoder did output something on EOF
2056 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2060 ist->pts = ist->next_pts;
2062 if (avpkt.size && avpkt.size != pkt->size) {
2063 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2064 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2065 ist->showed_multi_packet_warning = 1;
2068 switch (ist->st->codec->codec_type) {
2069 case AVMEDIA_TYPE_AUDIO:
2070 ret = transcode_audio (ist, &avpkt, &got_output);
2072 case AVMEDIA_TYPE_VIDEO:
2073 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2075 case AVMEDIA_TYPE_SUBTITLE:
2076 ret = transcode_subtitles(ist, &avpkt, &got_output);
2084 // touch data and size only if not EOF
2094 /* handle stream copy */
2095 if (!ist->decoding_needed) {
2096 rate_emu_sleep(ist);
2097 ist->pts = ist->next_pts;
2098 switch (ist->st->codec->codec_type) {
2099 case AVMEDIA_TYPE_AUDIO:
2100 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2101 ist->st->codec->sample_rate;
2103 case AVMEDIA_TYPE_VIDEO:
2104 if (ist->st->codec->time_base.num != 0) {
2105 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2106 ist->next_pts += ((int64_t)AV_TIME_BASE *
2107 ist->st->codec->time_base.num * ticks) /
2108 ist->st->codec->time_base.den;
2113 for (i = 0; pkt && i < nb_ostreams; i++) {
2114 OutputStream *ost = &ost_table[i];
2116 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2119 do_streamcopy(ist, ost, pkt);
2125 static void print_sdp(OutputFile *output_files, int n)
2129 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2133 for (i = 0; i < n; i++)
2134 avc[i] = output_files[i].ctx;
2136 av_sdp_create(avc, n, sdp, sizeof(sdp));
2137 printf("SDP:\n%s\n", sdp);
2142 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2143 char *error, int error_len)
2146 InputStream *ist = &input_streams[ist_index];
2147 if (ist->decoding_needed) {
2148 AVCodec *codec = ist->dec;
2150 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2151 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2152 return AVERROR(EINVAL);
2155 /* update requested sample format for the decoder based on the
2156 corresponding encoder sample format */
2157 for (i = 0; i < nb_output_streams; i++) {
2158 OutputStream *ost = &output_streams[i];
2159 if (ost->source_index == ist_index) {
2160 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2165 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2166 ist->st->codec->get_buffer = codec_get_buffer;
2167 ist->st->codec->release_buffer = codec_release_buffer;
2168 ist->st->codec->opaque = ist;
2171 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2172 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2173 ist->file_index, ist->st->index);
2174 return AVERROR(EINVAL);
2176 assert_codec_experimental(ist->st->codec, 0);
2177 assert_avoptions(ist->opts);
2180 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;
2181 ist->next_pts = AV_NOPTS_VALUE;
2182 init_pts_correction(&ist->pts_ctx);
2188 static int transcode_init(OutputFile *output_files,
2189 int nb_output_files,
2190 InputFile *input_files,
2193 int ret = 0, i, j, k;
2194 AVFormatContext *oc;
2195 AVCodecContext *codec, *icodec;
2201 /* init framerate emulation */
2202 for (i = 0; i < nb_input_files; i++) {
2203 InputFile *ifile = &input_files[i];
2204 if (ifile->rate_emu)
2205 for (j = 0; j < ifile->nb_streams; j++)
2206 input_streams[j + ifile->ist_index].start = av_gettime();
2209 /* output stream init */
2210 for (i = 0; i < nb_output_files; i++) {
2211 oc = output_files[i].ctx;
2212 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2213 av_dump_format(oc, i, oc->filename, 1);
2214 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2215 return AVERROR(EINVAL);
2219 /* for each output stream, we compute the right encoding parameters */
2220 for (i = 0; i < nb_output_streams; i++) {
2221 ost = &output_streams[i];
2222 oc = output_files[ost->file_index].ctx;
2223 ist = &input_streams[ost->source_index];
2225 if (ost->attachment_filename)
2228 codec = ost->st->codec;
2229 icodec = ist->st->codec;
2231 ost->st->disposition = ist->st->disposition;
2232 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2233 codec->chroma_sample_location = icodec->chroma_sample_location;
2235 if (ost->stream_copy) {
2236 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2238 if (extra_size > INT_MAX) {
2239 return AVERROR(EINVAL);
2242 /* if stream_copy is selected, no need to decode or encode */
2243 codec->codec_id = icodec->codec_id;
2244 codec->codec_type = icodec->codec_type;
2246 if (!codec->codec_tag) {
2247 if (!oc->oformat->codec_tag ||
2248 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2249 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2250 codec->codec_tag = icodec->codec_tag;
2253 codec->bit_rate = icodec->bit_rate;
2254 codec->rc_max_rate = icodec->rc_max_rate;
2255 codec->rc_buffer_size = icodec->rc_buffer_size;
2256 codec->field_order = icodec->field_order;
2257 codec->extradata = av_mallocz(extra_size);
2258 if (!codec->extradata) {
2259 return AVERROR(ENOMEM);
2261 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2262 codec->extradata_size = icodec->extradata_size;
2264 codec->time_base = icodec->time_base;
2265 codec->time_base.num *= icodec->ticks_per_frame;
2266 av_reduce(&codec->time_base.num, &codec->time_base.den,
2267 codec->time_base.num, codec->time_base.den, INT_MAX);
2269 codec->time_base = ist->st->time_base;
2271 switch (codec->codec_type) {
2272 case AVMEDIA_TYPE_AUDIO:
2273 if (audio_volume != 256) {
2274 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2277 codec->channel_layout = icodec->channel_layout;
2278 codec->sample_rate = icodec->sample_rate;
2279 codec->channels = icodec->channels;
2280 codec->frame_size = icodec->frame_size;
2281 codec->audio_service_type = icodec->audio_service_type;
2282 codec->block_align = icodec->block_align;
2284 case AVMEDIA_TYPE_VIDEO:
2285 codec->pix_fmt = icodec->pix_fmt;
2286 codec->width = icodec->width;
2287 codec->height = icodec->height;
2288 codec->has_b_frames = icodec->has_b_frames;
2289 if (!codec->sample_aspect_ratio.num) {
2290 codec->sample_aspect_ratio =
2291 ost->st->sample_aspect_ratio =
2292 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2293 ist->st->codec->sample_aspect_ratio.num ?
2294 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2297 case AVMEDIA_TYPE_SUBTITLE:
2298 codec->width = icodec->width;
2299 codec->height = icodec->height;
2301 case AVMEDIA_TYPE_DATA:
2302 case AVMEDIA_TYPE_ATTACHMENT:
2309 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2311 ist->decoding_needed = 1;
2312 ost->encoding_needed = 1;
2314 switch (codec->codec_type) {
2315 case AVMEDIA_TYPE_AUDIO:
2316 ost->fifo = av_fifo_alloc(1024);
2318 return AVERROR(ENOMEM);
2320 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2322 if (!codec->sample_rate)
2323 codec->sample_rate = icodec->sample_rate;
2324 choose_sample_rate(ost->st, ost->enc);
2325 codec->time_base = (AVRational){ 1, codec->sample_rate };
2327 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2328 codec->sample_fmt = icodec->sample_fmt;
2329 choose_sample_fmt(ost->st, ost->enc);
2331 if (!codec->channels)
2332 codec->channels = icodec->channels;
2333 codec->channel_layout = icodec->channel_layout;
2334 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2335 codec->channel_layout = 0;
2337 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2338 icodec->request_channels = codec-> channels;
2339 ost->resample_sample_fmt = icodec->sample_fmt;
2340 ost->resample_sample_rate = icodec->sample_rate;
2341 ost->resample_channels = icodec->channels;
2343 case AVMEDIA_TYPE_VIDEO:
2344 if (codec->pix_fmt == PIX_FMT_NONE)
2345 codec->pix_fmt = icodec->pix_fmt;
2346 choose_pixel_fmt(ost->st, ost->enc);
2348 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2349 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2353 if (!codec->width || !codec->height) {
2354 codec->width = icodec->width;
2355 codec->height = icodec->height;
2358 ost->video_resample = codec->width != icodec->width ||
2359 codec->height != icodec->height ||
2360 codec->pix_fmt != icodec->pix_fmt;
2361 if (ost->video_resample) {
2362 #if !CONFIG_AVFILTER
2363 avcodec_get_frame_defaults(&ost->pict_tmp);
2364 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2365 codec->width, codec->height)) {
2366 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2369 ost->img_resample_ctx = sws_getContext(
2376 ost->sws_flags, NULL, NULL, NULL);
2377 if (ost->img_resample_ctx == NULL) {
2378 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2382 codec->bits_per_raw_sample = 0;
2385 ost->resample_height = icodec->height;
2386 ost->resample_width = icodec->width;
2387 ost->resample_pix_fmt = icodec->pix_fmt;
2389 if (!ost->frame_rate.num)
2390 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2391 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2392 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2393 ost->frame_rate = ost->enc->supported_framerates[idx];
2395 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2398 if (configure_video_filters(ist, ost)) {
2399 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2404 case AVMEDIA_TYPE_SUBTITLE:
2411 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2412 char logfilename[1024];
2415 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2416 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2418 if (codec->flags & CODEC_FLAG_PASS1) {
2419 f = fopen(logfilename, "wb");
2421 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2422 logfilename, strerror(errno));
2428 size_t logbuffer_size;
2429 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2430 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2434 codec->stats_in = logbuffer;
2438 if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2439 int size = codec->width * codec->height;
2440 bit_buffer_size = FFMAX(bit_buffer_size, 6 * size + 200);
2445 bit_buffer = av_malloc(bit_buffer_size);
2447 av_log(NULL, AV_LOG_ERROR, "Cannot allocate %d bytes output buffer\n",
2449 return AVERROR(ENOMEM);
2452 /* open each encoder */
2453 for (i = 0; i < nb_output_streams; i++) {
2454 ost = &output_streams[i];
2455 if (ost->encoding_needed) {
2456 AVCodec *codec = ost->enc;
2457 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2459 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2460 ost->st->codec->codec_id, ost->file_index, ost->index);
2461 ret = AVERROR(EINVAL);
2464 if (dec->subtitle_header) {
2465 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2466 if (!ost->st->codec->subtitle_header) {
2467 ret = AVERROR(ENOMEM);
2470 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2471 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2473 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2474 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2475 ost->file_index, ost->index);
2476 ret = AVERROR(EINVAL);
2479 assert_codec_experimental(ost->st->codec, 1);
2480 assert_avoptions(ost->opts);
2481 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2482 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2483 "It takes bits/s as argument, not kbits/s\n");
2484 extra_size += ost->st->codec->extradata_size;
2486 if (ost->st->codec->me_threshold)
2487 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2491 /* init input streams */
2492 for (i = 0; i < nb_input_streams; i++)
2493 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2496 /* discard unused programs */
2497 for (i = 0; i < nb_input_files; i++) {
2498 InputFile *ifile = &input_files[i];
2499 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2500 AVProgram *p = ifile->ctx->programs[j];
2501 int discard = AVDISCARD_ALL;
2503 for (k = 0; k < p->nb_stream_indexes; k++)
2504 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2505 discard = AVDISCARD_DEFAULT;
2508 p->discard = discard;
2512 /* open files and write file headers */
2513 for (i = 0; i < nb_output_files; i++) {
2514 oc = output_files[i].ctx;
2515 oc->interrupt_callback = int_cb;
2516 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2517 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2518 ret = AVERROR(EINVAL);
2521 assert_avoptions(output_files[i].opts);
2522 if (strcmp(oc->oformat->name, "rtp")) {
2528 /* dump the file output parameters - cannot be done before in case
2530 for (i = 0; i < nb_output_files; i++) {
2531 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2534 /* dump the stream mapping */
2535 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2536 for (i = 0; i < nb_output_streams; i++) {
2537 ost = &output_streams[i];
2539 if (ost->attachment_filename) {
2540 /* an attached file */
2541 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2542 ost->attachment_filename, ost->file_index, ost->index);
2545 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2546 input_streams[ost->source_index].file_index,
2547 input_streams[ost->source_index].st->index,
2550 if (ost->sync_ist != &input_streams[ost->source_index])
2551 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2552 ost->sync_ist->file_index,
2553 ost->sync_ist->st->index);
2554 if (ost->stream_copy)
2555 av_log(NULL, AV_LOG_INFO, " (copy)");
2557 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2558 input_streams[ost->source_index].dec->name : "?",
2559 ost->enc ? ost->enc->name : "?");
2560 av_log(NULL, AV_LOG_INFO, "\n");
2564 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2569 print_sdp(output_files, nb_output_files);
2576 * The following code is the main loop of the file converter
2578 static int transcode(OutputFile *output_files,
2579 int nb_output_files,
2580 InputFile *input_files,
2584 AVFormatContext *is, *os;
2588 int no_packet_count = 0;
2589 int64_t timer_start;
2591 if (!(no_packet = av_mallocz(nb_input_files)))
2594 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2598 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2601 timer_start = av_gettime();
2603 for (; received_sigterm == 0;) {
2604 int file_index, ist_index;
2609 ipts_min = INT64_MAX;
2612 /* select the stream that we must read now by looking at the
2613 smallest output pts */
2615 for (i = 0; i < nb_output_streams; i++) {
2619 ost = &output_streams[i];
2620 of = &output_files[ost->file_index];
2621 os = output_files[ost->file_index].ctx;
2622 ist = &input_streams[ost->source_index];
2623 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2624 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2626 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2628 if (!input_files[ist->file_index].eof_reached) {
2629 if (ipts < ipts_min) {
2632 file_index = ist->file_index;
2634 if (opts < opts_min) {
2636 if (!input_sync) file_index = ist->file_index;
2639 if (ost->frame_number >= ost->max_frames) {
2641 for (j = 0; j < of->ctx->nb_streams; j++)
2642 output_streams[of->ost_index + j].is_past_recording_time = 1;
2646 /* if none, if is finished */
2647 if (file_index < 0) {
2648 if (no_packet_count) {
2649 no_packet_count = 0;
2650 memset(no_packet, 0, nb_input_files);
2657 /* read a frame from it and output it in the fifo */
2658 is = input_files[file_index].ctx;
2659 ret = av_read_frame(is, &pkt);
2660 if (ret == AVERROR(EAGAIN)) {
2661 no_packet[file_index] = 1;
2666 input_files[file_index].eof_reached = 1;
2673 no_packet_count = 0;
2674 memset(no_packet, 0, nb_input_files);
2677 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2678 is->streams[pkt.stream_index]);
2680 /* the following test is needed in case new streams appear
2681 dynamically in stream : we ignore them */
2682 if (pkt.stream_index >= input_files[file_index].nb_streams)
2683 goto discard_packet;
2684 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2685 ist = &input_streams[ist_index];
2687 goto discard_packet;
2689 if (pkt.dts != AV_NOPTS_VALUE)
2690 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2691 if (pkt.pts != AV_NOPTS_VALUE)
2692 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2694 if (pkt.pts != AV_NOPTS_VALUE)
2695 pkt.pts *= ist->ts_scale;
2696 if (pkt.dts != AV_NOPTS_VALUE)
2697 pkt.dts *= ist->ts_scale;
2699 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2701 // pkt.dts, input_files[ist->file_index].ts_offset,
2702 // ist->st->codec->codec_type);
2703 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2704 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2705 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2706 int64_t delta = pkt_dts - ist->next_pts;
2707 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->pts) && !copy_ts) {
2708 input_files[ist->file_index].ts_offset -= delta;
2709 av_log(NULL, AV_LOG_DEBUG,
2710 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2711 delta, input_files[ist->file_index].ts_offset);
2712 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2713 if (pkt.pts != AV_NOPTS_VALUE)
2714 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2718 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2719 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2721 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2722 ist->file_index, ist->st->index);
2725 av_free_packet(&pkt);
2730 av_free_packet(&pkt);
2732 /* dump report by using the output first video and audio streams */
2733 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2736 /* at the end of stream, we must flush the decoder buffers */
2737 for (i = 0; i < nb_input_streams; i++) {
2738 ist = &input_streams[i];
2739 if (ist->decoding_needed) {
2740 output_packet(ist, output_streams, nb_output_streams, NULL);
2743 flush_encoders(output_streams, nb_output_streams);
2747 /* write the trailer if needed and close file */
2748 for (i = 0; i < nb_output_files; i++) {
2749 os = output_files[i].ctx;
2750 av_write_trailer(os);
2753 /* dump report by using the first video and audio streams */
2754 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2756 /* close each encoder */
2757 for (i = 0; i < nb_output_streams; i++) {
2758 ost = &output_streams[i];
2759 if (ost->encoding_needed) {
2760 av_freep(&ost->st->codec->stats_in);
2761 avcodec_close(ost->st->codec);
2764 avfilter_graph_free(&ost->graph);
2768 /* close each decoder */
2769 for (i = 0; i < nb_input_streams; i++) {
2770 ist = &input_streams[i];
2771 if (ist->decoding_needed) {
2772 avcodec_close(ist->st->codec);
2780 av_freep(&bit_buffer);
2781 av_freep(&no_packet);
2783 if (output_streams) {
2784 for (i = 0; i < nb_output_streams; i++) {
2785 ost = &output_streams[i];
2787 if (ost->stream_copy)
2788 av_freep(&ost->st->codec->extradata);
2790 fclose(ost->logfile);
2791 ost->logfile = NULL;
2793 av_fifo_free(ost->fifo); /* works even if fifo is not
2794 initialized but set to zero */
2795 av_freep(&ost->st->codec->subtitle_header);
2796 av_free(ost->pict_tmp.data[0]);
2797 av_free(ost->forced_kf_pts);
2798 if (ost->video_resample)
2799 sws_freeContext(ost->img_resample_ctx);
2801 audio_resample_close(ost->resample);
2802 if (ost->reformat_ctx)
2803 av_audio_convert_free(ost->reformat_ctx);
2804 av_dict_free(&ost->opts);
2811 static double parse_frame_aspect_ratio(const char *arg)
2818 p = strchr(arg, ':');
2820 x = strtol(arg, &end, 10);
2822 y = strtol(end + 1, &end, 10);
2824 ar = (double)x / (double)y;
2826 ar = strtod(arg, NULL);
2829 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2835 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2837 return parse_option(o, "codec:a", arg, options);
2840 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2842 return parse_option(o, "codec:v", arg, options);
2845 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2847 return parse_option(o, "codec:s", arg, options);
2850 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2852 return parse_option(o, "codec:d", arg, options);
2855 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2857 StreamMap *m = NULL;
2858 int i, negative = 0, file_idx;
2859 int sync_file_idx = -1, sync_stream_idx;
2867 map = av_strdup(arg);
2869 /* parse sync stream first, just pick first matching stream */
2870 if (sync = strchr(map, ',')) {
2872 sync_file_idx = strtol(sync + 1, &sync, 0);
2873 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2874 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2879 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2880 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2881 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2882 sync_stream_idx = i;
2885 if (i == input_files[sync_file_idx].nb_streams) {
2886 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2887 "match any streams.\n", arg);
2893 file_idx = strtol(map, &p, 0);
2894 if (file_idx >= nb_input_files || file_idx < 0) {
2895 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2899 /* disable some already defined maps */
2900 for (i = 0; i < o->nb_stream_maps; i++) {
2901 m = &o->stream_maps[i];
2902 if (file_idx == m->file_index &&
2903 check_stream_specifier(input_files[m->file_index].ctx,
2904 input_files[m->file_index].ctx->streams[m->stream_index],
2905 *p == ':' ? p + 1 : p) > 0)
2909 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2910 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2911 *p == ':' ? p + 1 : p) <= 0)
2913 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2914 &o->nb_stream_maps, o->nb_stream_maps + 1);
2915 m = &o->stream_maps[o->nb_stream_maps - 1];
2917 m->file_index = file_idx;
2918 m->stream_index = i;
2920 if (sync_file_idx >= 0) {
2921 m->sync_file_index = sync_file_idx;
2922 m->sync_stream_index = sync_stream_idx;
2924 m->sync_file_index = file_idx;
2925 m->sync_stream_index = i;
2930 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
2938 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
2940 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
2941 &o->nb_attachments, o->nb_attachments + 1);
2942 o->attachments[o->nb_attachments - 1] = arg;
2947 * Parse a metadata specifier in arg.
2948 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
2949 * @param index for type c/p, chapter/program index is written here
2950 * @param stream_spec for type s, the stream specifier is written here
2952 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
2960 if (*(++arg) && *arg != ':') {
2961 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
2964 *stream_spec = *arg == ':' ? arg + 1 : "";
2968 if (*(++arg) == ':')
2969 *index = strtol(++arg, NULL, 0);
2972 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
2979 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
2981 AVDictionary **meta_in = NULL;
2982 AVDictionary **meta_out;
2984 char type_in, type_out;
2985 const char *istream_spec = NULL, *ostream_spec = NULL;
2986 int idx_in = 0, idx_out = 0;
2988 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
2989 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
2991 if (type_in == 'g' || type_out == 'g')
2992 o->metadata_global_manual = 1;
2993 if (type_in == 's' || type_out == 's')
2994 o->metadata_streams_manual = 1;
2995 if (type_in == 'c' || type_out == 'c')
2996 o->metadata_chapters_manual = 1;
2998 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
2999 if ((index) < 0 || (index) >= (nb_elems)) {\
3000 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3005 #define SET_DICT(type, meta, context, index)\
3008 meta = &context->metadata;\
3011 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3012 meta = &context->chapters[index]->metadata;\
3015 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3016 meta = &context->programs[index]->metadata;\
3020 SET_DICT(type_in, meta_in, ic, idx_in);
3021 SET_DICT(type_out, meta_out, oc, idx_out);
3023 /* for input streams choose first matching stream */
3024 if (type_in == 's') {
3025 for (i = 0; i < ic->nb_streams; i++) {
3026 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3027 meta_in = &ic->streams[i]->metadata;
3033 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3038 if (type_out == 's') {
3039 for (i = 0; i < oc->nb_streams; i++) {
3040 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3041 meta_out = &oc->streams[i]->metadata;
3042 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3047 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3052 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3054 const char *codec_string = encoder ? "encoder" : "decoder";
3058 avcodec_find_encoder_by_name(name) :
3059 avcodec_find_decoder_by_name(name);
3061 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3064 if (codec->type != type) {
3065 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3071 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3073 char *codec_name = NULL;
3075 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3077 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3078 st->codec->codec_id = codec->id;
3081 return avcodec_find_decoder(st->codec->codec_id);
3085 * Add all the streams from the given input file to the global
3086 * list of input streams.
3088 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3092 for (i = 0; i < ic->nb_streams; i++) {
3093 AVStream *st = ic->streams[i];
3094 AVCodecContext *dec = st->codec;
3097 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3098 ist = &input_streams[nb_input_streams - 1];
3100 ist->file_index = nb_input_files;
3102 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3104 ist->ts_scale = 1.0;
3105 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3107 ist->dec = choose_decoder(o, ic, st);
3109 switch (dec->codec_type) {
3110 case AVMEDIA_TYPE_AUDIO:
3111 if (o->audio_disable)
3112 st->discard = AVDISCARD_ALL;
3114 case AVMEDIA_TYPE_VIDEO:
3116 dec->flags |= CODEC_FLAG_EMU_EDGE;
3117 dec->height >>= dec->lowres;
3118 dec->width >>= dec->lowres;
3121 if (o->video_disable)
3122 st->discard = AVDISCARD_ALL;
3123 else if (video_discard)
3124 st->discard = video_discard;
3126 case AVMEDIA_TYPE_DATA:
3128 case AVMEDIA_TYPE_SUBTITLE:
3129 if (o->subtitle_disable)
3130 st->discard = AVDISCARD_ALL;
3132 case AVMEDIA_TYPE_ATTACHMENT:
3133 case AVMEDIA_TYPE_UNKNOWN:
3141 static void assert_file_overwrite(const char *filename)
3143 if (!file_overwrite &&
3144 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3145 av_strstart(filename, "file:", NULL))) {
3146 if (avio_check(filename, 0) == 0) {
3148 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3150 if (!read_yesno()) {
3151 fprintf(stderr, "Not overwriting - exiting\n");
3156 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3163 static void dump_attachment(AVStream *st, const char *filename)
3166 AVIOContext *out = NULL;
3167 AVDictionaryEntry *e;
3169 if (!st->codec->extradata_size) {
3170 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3171 nb_input_files - 1, st->index);
3174 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3175 filename = e->value;
3177 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3178 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3182 assert_file_overwrite(filename);
3184 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3185 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3190 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3195 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3197 AVFormatContext *ic;
3198 AVInputFormat *file_iformat = NULL;
3202 AVDictionary **opts;
3203 int orig_nb_streams; // number of streams before avformat_find_stream_info
3206 if (!(file_iformat = av_find_input_format(o->format))) {
3207 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3212 if (!strcmp(filename, "-"))
3215 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3216 !strcmp(filename, "/dev/stdin");
3218 /* get default parameters from command line */
3219 ic = avformat_alloc_context();
3221 print_error(filename, AVERROR(ENOMEM));
3224 if (o->nb_audio_sample_rate) {
3225 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3226 av_dict_set(&format_opts, "sample_rate", buf, 0);
3228 if (o->nb_audio_channels) {
3229 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3230 av_dict_set(&format_opts, "channels", buf, 0);
3232 if (o->nb_frame_rates) {
3233 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3235 if (o->nb_frame_sizes) {
3236 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3238 if (o->nb_frame_pix_fmts)
3239 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3241 ic->flags |= AVFMT_FLAG_NONBLOCK;
3242 ic->interrupt_callback = int_cb;
3244 /* open the input file with generic libav function */
3245 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3247 print_error(filename, err);
3250 assert_avoptions(format_opts);
3252 /* apply forced codec ids */
3253 for (i = 0; i < ic->nb_streams; i++)
3254 choose_decoder(o, ic, ic->streams[i]);
3256 /* Set AVCodecContext options for avformat_find_stream_info */
3257 opts = setup_find_stream_info_opts(ic, codec_opts);
3258 orig_nb_streams = ic->nb_streams;
3260 /* If not enough info to get the stream parameters, we decode the
3261 first frames to get it. (used in mpeg case for example) */
3262 ret = avformat_find_stream_info(ic, opts);
3264 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3265 avformat_close_input(&ic);
3269 timestamp = o->start_time;
3270 /* add the stream start time */
3271 if (ic->start_time != AV_NOPTS_VALUE)
3272 timestamp += ic->start_time;
3274 /* if seeking requested, we execute it */
3275 if (o->start_time != 0) {
3276 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3278 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3279 filename, (double)timestamp / AV_TIME_BASE);
3283 /* update the current parameters so that they match the one of the input stream */
3284 add_input_streams(o, ic);
3286 /* dump the file content */
3287 av_dump_format(ic, nb_input_files, filename, 0);
3289 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3290 input_files[nb_input_files - 1].ctx = ic;
3291 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3292 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3293 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3294 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3296 for (i = 0; i < o->nb_dump_attachment; i++) {
3299 for (j = 0; j < ic->nb_streams; j++) {
3300 AVStream *st = ic->streams[j];
3302 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3303 dump_attachment(st, o->dump_attachment[i].u.str);
3307 for (i = 0; i < orig_nb_streams; i++)
3308 av_dict_free(&opts[i]);
3315 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3316 AVCodecContext *avctx)
3322 for (p = kf; *p; p++)
3325 ost->forced_kf_count = n;
3326 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3327 if (!ost->forced_kf_pts) {
3328 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3331 for (i = 0; i < n; i++) {
3332 p = i ? strchr(p, ',') + 1 : kf;
3333 t = parse_time_or_die("force_key_frames", p, 1);
3334 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3338 static uint8_t *get_line(AVIOContext *s)
3344 if (avio_open_dyn_buf(&line) < 0) {
3345 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3349 while ((c = avio_r8(s)) && c != '\n')
3352 avio_close_dyn_buf(line, &buf);
3357 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3360 char filename[1000];
3361 const char *base[3] = { getenv("AVCONV_DATADIR"),
3366 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3370 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3371 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3372 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3375 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3376 i != 1 ? "" : "/.avconv", preset_name);
3377 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3383 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3385 char *codec_name = NULL;
3387 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3389 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3390 NULL, ost->st->codec->codec_type);
3391 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3392 } else if (!strcmp(codec_name, "copy"))
3393 ost->stream_copy = 1;
3395 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3396 ost->st->codec->codec_id = ost->enc->id;
3400 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3403 AVStream *st = avformat_new_stream(oc, NULL);
3404 int idx = oc->nb_streams - 1, ret = 0;
3405 char *bsf = NULL, *next, *codec_tag = NULL;
3406 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3408 char *buf = NULL, *arg = NULL, *preset = NULL;
3409 AVIOContext *s = NULL;
3412 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3416 if (oc->nb_streams - 1 < o->nb_streamid_map)
3417 st->id = o->streamid_map[oc->nb_streams - 1];
3419 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3420 nb_output_streams + 1);
3421 ost = &output_streams[nb_output_streams - 1];
3422 ost->file_index = nb_output_files;
3425 st->codec->codec_type = type;
3426 choose_encoder(o, oc, ost);
3428 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3431 avcodec_get_context_defaults3(st->codec, ost->enc);
3432 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3434 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3435 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3438 if (!buf[0] || buf[0] == '#') {
3442 if (!(arg = strchr(buf, '='))) {
3443 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3447 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3449 } while (!s->eof_reached);
3453 av_log(NULL, AV_LOG_FATAL,
3454 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3455 preset, ost->file_index, ost->index);
3459 ost->max_frames = INT64_MAX;
3460 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3462 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3464 if (next = strchr(bsf, ','))
3466 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3467 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3471 bsfc_prev->next = bsfc;
3473 ost->bitstream_filters = bsfc;
3479 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3481 uint32_t tag = strtol(codec_tag, &next, 0);
3483 tag = AV_RL32(codec_tag);
3484 st->codec->codec_tag = tag;
3487 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3488 if (qscale >= 0 || same_quant) {
3489 st->codec->flags |= CODEC_FLAG_QSCALE;
3490 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3493 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3494 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3496 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3500 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3503 const char *p = str;
3510 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3517 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3521 AVCodecContext *video_enc;
3523 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3525 video_enc = st->codec;
3527 if (!ost->stream_copy) {
3528 const char *p = NULL;
3529 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3530 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3531 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3534 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3535 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3536 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3540 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3541 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3542 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3546 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3547 if (frame_aspect_ratio)
3548 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3550 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3551 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3552 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3555 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3557 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3559 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3560 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3563 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3565 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3567 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3568 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3571 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3574 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3575 for (i = 0; p; i++) {
3577 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3579 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3582 video_enc->rc_override =
3583 av_realloc(video_enc->rc_override,
3584 sizeof(RcOverride) * (i + 1));
3585 video_enc->rc_override[i].start_frame = start;
3586 video_enc->rc_override[i].end_frame = end;
3588 video_enc->rc_override[i].qscale = q;
3589 video_enc->rc_override[i].quality_factor = 1.0;
3592 video_enc->rc_override[i].qscale = 0;
3593 video_enc->rc_override[i].quality_factor = -q/100.0;
3598 video_enc->rc_override_count = i;
3599 if (!video_enc->rc_initial_buffer_occupancy)
3600 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3601 video_enc->intra_dc_precision = intra_dc_precision - 8;
3606 video_enc->flags |= CODEC_FLAG_PASS1;
3608 video_enc->flags |= CODEC_FLAG_PASS2;
3612 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3613 if (forced_key_frames)
3614 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3616 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3618 ost->top_field_first = -1;
3619 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3621 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3624 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3626 ost->avfilter = av_strdup(filters);
3633 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3637 AVCodecContext *audio_enc;
3639 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3642 audio_enc = st->codec;
3643 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3645 if (!ost->stream_copy) {
3646 char *sample_fmt = NULL;
3648 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3650 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3652 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3653 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3657 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3663 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3667 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3668 if (!ost->stream_copy) {
3669 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3676 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3678 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3679 ost->stream_copy = 1;
3683 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3687 AVCodecContext *subtitle_enc;
3689 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3691 subtitle_enc = st->codec;
3693 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3698 /* arg format is "output-stream-index:streamid-value". */
3699 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3705 av_strlcpy(idx_str, arg, sizeof(idx_str));
3706 p = strchr(idx_str, ':');
3708 av_log(NULL, AV_LOG_FATAL,
3709 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3714 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3715 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3716 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3720 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3722 AVFormatContext *is = ifile->ctx;
3723 AVFormatContext *os = ofile->ctx;
3726 for (i = 0; i < is->nb_chapters; i++) {
3727 AVChapter *in_ch = is->chapters[i], *out_ch;
3728 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3729 AV_TIME_BASE_Q, in_ch->time_base);
3730 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3731 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3734 if (in_ch->end < ts_off)
3736 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3739 out_ch = av_mallocz(sizeof(AVChapter));
3741 return AVERROR(ENOMEM);
3743 out_ch->id = in_ch->id;
3744 out_ch->time_base = in_ch->time_base;
3745 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3746 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3749 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3752 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
3754 return AVERROR(ENOMEM);
3755 os->chapters[os->nb_chapters - 1] = out_ch;
3760 static void opt_output_file(void *optctx, const char *filename)
3762 OptionsContext *o = optctx;
3763 AVFormatContext *oc;
3765 AVOutputFormat *file_oformat;
3769 if (!strcmp(filename, "-"))
3772 oc = avformat_alloc_context();
3774 print_error(filename, AVERROR(ENOMEM));
3779 file_oformat = av_guess_format(o->format, NULL, NULL);
3780 if (!file_oformat) {
3781 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
3785 file_oformat = av_guess_format(NULL, filename, NULL);
3786 if (!file_oformat) {
3787 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3793 oc->oformat = file_oformat;
3794 oc->interrupt_callback = int_cb;
3795 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3797 if (!o->nb_stream_maps) {
3798 /* pick the "best" stream of each type */
3799 #define NEW_STREAM(type, index)\
3801 ost = new_ ## type ## _stream(o, oc);\
3802 ost->source_index = index;\
3803 ost->sync_ist = &input_streams[index];\
3804 input_streams[index].discard = 0;\
3807 /* video: highest resolution */
3808 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3809 int area = 0, idx = -1;
3810 for (i = 0; i < nb_input_streams; i++) {
3811 ist = &input_streams[i];
3812 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3813 ist->st->codec->width * ist->st->codec->height > area) {
3814 area = ist->st->codec->width * ist->st->codec->height;
3818 NEW_STREAM(video, idx);
3821 /* audio: most channels */
3822 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3823 int channels = 0, idx = -1;
3824 for (i = 0; i < nb_input_streams; i++) {
3825 ist = &input_streams[i];
3826 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3827 ist->st->codec->channels > channels) {
3828 channels = ist->st->codec->channels;
3832 NEW_STREAM(audio, idx);
3835 /* subtitles: pick first */
3836 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3837 for (i = 0; i < nb_input_streams; i++)
3838 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3839 NEW_STREAM(subtitle, i);
3843 /* do something with data? */
3845 for (i = 0; i < o->nb_stream_maps; i++) {
3846 StreamMap *map = &o->stream_maps[i];
3851 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3852 switch (ist->st->codec->codec_type) {
3853 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3854 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3855 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3856 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3857 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3859 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3860 map->file_index, map->stream_index);
3864 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3865 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3866 map->sync_stream_index];
3871 /* handle attached files */
3872 for (i = 0; i < o->nb_attachments; i++) {
3874 uint8_t *attachment;
3878 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3879 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3883 if ((len = avio_size(pb)) <= 0) {
3884 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3888 if (!(attachment = av_malloc(len))) {
3889 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3893 avio_read(pb, attachment, len);
3895 ost = new_attachment_stream(o, oc);
3896 ost->stream_copy = 0;
3897 ost->source_index = -1;
3898 ost->attachment_filename = o->attachments[i];
3899 ost->st->codec->extradata = attachment;
3900 ost->st->codec->extradata_size = len;
3902 p = strrchr(o->attachments[i], '/');
3903 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3907 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3908 output_files[nb_output_files - 1].ctx = oc;
3909 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3910 output_files[nb_output_files - 1].recording_time = o->recording_time;
3911 output_files[nb_output_files - 1].start_time = o->start_time;
3912 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3913 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3915 /* check filename in case of an image number is expected */
3916 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3917 if (!av_filename_number_test(oc->filename)) {
3918 print_error(oc->filename, AVERROR(EINVAL));
3923 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3924 /* test if it already exists to avoid losing precious files */
3925 assert_file_overwrite(filename);
3928 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
3929 &oc->interrupt_callback,
3930 &output_files[nb_output_files - 1].opts)) < 0) {
3931 print_error(filename, err);
3936 if (o->mux_preload) {
3938 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
3939 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
3941 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
3942 oc->flags |= AVFMT_FLAG_NONBLOCK;
3945 for (i = 0; i < o->nb_metadata_map; i++) {
3947 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
3949 if (in_file_index < 0)
3951 if (in_file_index >= nb_input_files) {
3952 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
3955 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
3959 if (o->chapters_input_file >= nb_input_files) {
3960 if (o->chapters_input_file == INT_MAX) {
3961 /* copy chapters from the first input file that has them*/
3962 o->chapters_input_file = -1;
3963 for (i = 0; i < nb_input_files; i++)
3964 if (input_files[i].ctx->nb_chapters) {
3965 o->chapters_input_file = i;
3969 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
3970 o->chapters_input_file);
3974 if (o->chapters_input_file >= 0)
3975 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
3976 !o->metadata_chapters_manual);
3978 /* copy global metadata by default */
3979 if (!o->metadata_global_manual && nb_input_files)
3980 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3981 AV_DICT_DONT_OVERWRITE);
3982 if (!o->metadata_streams_manual)
3983 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3985 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
3987 ist = &input_streams[output_streams[i].source_index];
3988 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3991 /* process manually set metadata */
3992 for (i = 0; i < o->nb_metadata; i++) {
3995 const char *stream_spec;
3996 int index = 0, j, ret;
3998 val = strchr(o->metadata[i].u.str, '=');
4000 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4001 o->metadata[i].u.str);
4006 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4008 for (j = 0; j < oc->nb_streams; j++) {
4009 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4010 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4014 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4022 if (index < 0 || index >= oc->nb_chapters) {
4023 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4026 m = &oc->chapters[index]->metadata;
4029 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4032 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4039 /* same option as mencoder */
4040 static int opt_pass(const char *opt, const char *arg)
4042 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4046 static int64_t getutime(void)
4049 struct rusage rusage;
4051 getrusage(RUSAGE_SELF, &rusage);
4052 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4053 #elif HAVE_GETPROCESSTIMES
4055 FILETIME c, e, k, u;
4056 proc = GetCurrentProcess();
4057 GetProcessTimes(proc, &c, &e, &k, &u);
4058 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4060 return av_gettime();
4064 static int64_t getmaxrss(void)
4066 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4067 struct rusage rusage;
4068 getrusage(RUSAGE_SELF, &rusage);
4069 return (int64_t)rusage.ru_maxrss * 1024;
4070 #elif HAVE_GETPROCESSMEMORYINFO
4072 PROCESS_MEMORY_COUNTERS memcounters;
4073 proc = GetCurrentProcess();
4074 memcounters.cb = sizeof(memcounters);
4075 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4076 return memcounters.PeakPagefileUsage;
4082 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4084 return parse_option(o, "q:a", arg, options);
4087 static void show_usage(void)
4089 printf("Hyper fast Audio and Video encoder\n");
4090 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4094 static void show_help(void)
4096 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4097 av_log_set_callback(log_callback_help);
4099 show_help_options(options, "Main options:\n",
4100 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4101 show_help_options(options, "\nAdvanced options:\n",
4102 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4104 show_help_options(options, "\nVideo options:\n",
4105 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4107 show_help_options(options, "\nAdvanced Video options:\n",
4108 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4109 OPT_VIDEO | OPT_EXPERT);
4110 show_help_options(options, "\nAudio options:\n",
4111 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4113 show_help_options(options, "\nAdvanced Audio options:\n",
4114 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4115 OPT_AUDIO | OPT_EXPERT);
4116 show_help_options(options, "\nSubtitle options:\n",
4117 OPT_SUBTITLE | OPT_GRAB,
4119 show_help_options(options, "\nAudio/Video grab options:\n",
4123 show_help_children(avcodec_get_class(), flags);
4124 show_help_children(avformat_get_class(), flags);
4125 show_help_children(sws_get_class(), flags);
4128 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4130 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4131 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4133 if (!strncmp(arg, "pal-", 4)) {
4136 } else if (!strncmp(arg, "ntsc-", 5)) {
4139 } else if (!strncmp(arg, "film-", 5)) {
4143 /* Try to determine PAL/NTSC by peeking in the input files */
4144 if (nb_input_files) {
4146 for (j = 0; j < nb_input_files; j++) {
4147 for (i = 0; i < input_files[j].nb_streams; i++) {
4148 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4149 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4151 fr = c->time_base.den * 1000 / c->time_base.num;
4155 } else if ((fr == 29970) || (fr == 23976)) {
4160 if (norm != UNKNOWN)
4164 if (norm != UNKNOWN)
4165 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4168 if (norm == UNKNOWN) {
4169 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4170 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4171 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4175 if (!strcmp(arg, "vcd")) {
4176 opt_video_codec(o, "c:v", "mpeg1video");
4177 opt_audio_codec(o, "c:a", "mp2");
4178 parse_option(o, "f", "vcd", options);
4180 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4181 parse_option(o, "r", frame_rates[norm], options);
4182 opt_default("g", norm == PAL ? "15" : "18");
4184 opt_default("b", "1150000");
4185 opt_default("maxrate", "1150000");
4186 opt_default("minrate", "1150000");
4187 opt_default("bufsize", "327680"); // 40*1024*8;
4189 opt_default("b:a", "224000");
4190 parse_option(o, "ar", "44100", options);
4191 parse_option(o, "ac", "2", options);
4193 opt_default("packetsize", "2324");
4194 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4196 /* We have to offset the PTS, so that it is consistent with the SCR.
4197 SCR starts at 36000, but the first two packs contain only padding
4198 and the first pack from the other stream, respectively, may also have
4199 been written before.
4200 So the real data starts at SCR 36000+3*1200. */
4201 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4202 } else if (!strcmp(arg, "svcd")) {
4204 opt_video_codec(o, "c:v", "mpeg2video");
4205 opt_audio_codec(o, "c:a", "mp2");
4206 parse_option(o, "f", "svcd", options);
4208 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4209 parse_option(o, "r", frame_rates[norm], options);
4210 opt_default("g", norm == PAL ? "15" : "18");
4212 opt_default("b", "2040000");
4213 opt_default("maxrate", "2516000");
4214 opt_default("minrate", "0"); // 1145000;
4215 opt_default("bufsize", "1835008"); // 224*1024*8;
4216 opt_default("flags", "+scan_offset");
4219 opt_default("b:a", "224000");
4220 parse_option(o, "ar", "44100", options);
4222 opt_default("packetsize", "2324");
4224 } else if (!strcmp(arg, "dvd")) {
4226 opt_video_codec(o, "c:v", "mpeg2video");
4227 opt_audio_codec(o, "c:a", "ac3");
4228 parse_option(o, "f", "dvd", options);
4230 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4231 parse_option(o, "r", frame_rates[norm], options);
4232 opt_default("g", norm == PAL ? "15" : "18");
4234 opt_default("b", "6000000");
4235 opt_default("maxrate", "9000000");
4236 opt_default("minrate", "0"); // 1500000;
4237 opt_default("bufsize", "1835008"); // 224*1024*8;
4239 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4240 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4242 opt_default("b:a", "448000");
4243 parse_option(o, "ar", "48000", options);
4245 } else if (!strncmp(arg, "dv", 2)) {
4247 parse_option(o, "f", "dv", options);
4249 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4250 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4251 norm == PAL ? "yuv420p" : "yuv411p", options);
4252 parse_option(o, "r", frame_rates[norm], options);
4254 parse_option(o, "ar", "48000", options);
4255 parse_option(o, "ac", "2", options);
4258 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4259 return AVERROR(EINVAL);
4264 static int opt_vstats_file(const char *opt, const char *arg)
4266 av_free (vstats_filename);
4267 vstats_filename = av_strdup (arg);
4271 static int opt_vstats(const char *opt, const char *arg)
4274 time_t today2 = time(NULL);
4275 struct tm *today = localtime(&today2);
4277 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4279 return opt_vstats_file(opt, filename);
4282 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4284 return parse_option(o, "frames:v", arg, options);
4287 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4289 return parse_option(o, "frames:a", arg, options);
4292 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4294 return parse_option(o, "frames:d", arg, options);
4297 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4299 return parse_option(o, "tag:v", arg, options);
4302 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4304 return parse_option(o, "tag:a", arg, options);
4307 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4309 return parse_option(o, "tag:s", arg, options);
4312 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4314 return parse_option(o, "filter:v", arg, options);
4317 static int opt_vsync(const char *opt, const char *arg)
4319 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4320 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4321 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4323 if (video_sync_method == VSYNC_AUTO)
4324 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4328 #define OFFSET(x) offsetof(OptionsContext, x)
4329 static const OptionDef options[] = {
4331 #include "cmdutils_common_opts.h"
4332 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4333 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4334 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4335 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4336 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4337 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4338 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4339 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4340 "outfile[,metadata]:infile[,metadata]" },
4341 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4342 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4343 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4344 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4345 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4346 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4347 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4348 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4349 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4350 "add timings for benchmarking" },
4351 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4352 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4353 "dump each input packet" },
4354 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4355 "when dumping packets, also dump the payload" },
4356 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4357 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4358 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4359 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4360 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4361 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4362 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4363 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4364 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4365 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4366 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4367 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4368 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4369 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4370 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4372 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4374 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4375 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4376 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4379 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4380 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4381 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4382 { "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" },
4383 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4384 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4385 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4386 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4387 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4388 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4389 "use same quantizer as source (implies VBR)" },
4390 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4391 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4392 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4393 "deinterlace pictures" },
4394 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4395 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4397 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4399 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4400 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4401 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4402 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4403 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4404 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4405 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4406 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4407 { "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" },
4410 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4411 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4412 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4413 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4414 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4415 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4416 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4417 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4418 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4420 /* subtitle options */
4421 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4422 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4423 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4426 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4429 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4430 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4432 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4434 /* data codec support */
4435 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4437 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4441 int main(int argc, char **argv)
4443 OptionsContext o = { 0 };
4448 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4449 parse_loglevel(argc, argv, options);
4451 avcodec_register_all();
4453 avdevice_register_all();
4456 avfilter_register_all();
4459 avformat_network_init();
4464 parse_options(&o, argc, argv, options, opt_output_file);
4466 if (nb_output_files <= 0 && nb_input_files == 0) {
4468 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4472 /* file converter / grab */
4473 if (nb_output_files <= 0) {
4474 fprintf(stderr, "At least one output file must be specified\n");
4478 if (nb_input_files == 0) {
4479 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4484 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4486 ti = getutime() - ti;
4488 int maxrss = getmaxrss() / 1024;
4489 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);