3 * Copyright (c) 2000-2011 The libav developers.
5 * This file is part of Libav.
7 * Libav is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * Libav is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with Libav; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavutil/imgutils.h"
48 #include "libavformat/os_support.h"
51 # include "libavfilter/avfilter.h"
52 # include "libavfilter/avfiltergraph.h"
53 # include "libavfilter/buffersrc.h"
54 # include "libavfilter/vsrc_buffer.h"
57 #if HAVE_SYS_RESOURCE_H
58 #include <sys/types.h>
60 #include <sys/resource.h>
61 #elif HAVE_GETPROCESSTIMES
64 #if HAVE_GETPROCESSMEMORYINFO
70 #include <sys/select.h>
77 #include "libavutil/avassert.h"
80 #define VSYNC_PASSTHROUGH 0
84 const char program_name[] = "avconv";
85 const int program_birth_year = 2000;
87 /* select an input stream for an output stream */
88 typedef struct StreamMap {
89 int disabled; /** 1 is this mapping is disabled by a negative map */
93 int sync_stream_index;
97 * select an input file for an output file
99 typedef struct MetadataMap {
100 int file; ///< file index
101 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
102 int index; ///< stream/chapter/program number
105 static const OptionDef options[];
107 static int video_discard = 0;
108 static int same_quant = 0;
109 static int do_deinterlace = 0;
110 static int intra_dc_precision = 8;
111 static int qp_hist = 0;
113 static int file_overwrite = 0;
114 static int do_benchmark = 0;
115 static int do_hex_dump = 0;
116 static int do_pkt_dump = 0;
117 static int do_pass = 0;
118 static char *pass_logfilename_prefix = NULL;
119 static int video_sync_method = VSYNC_AUTO;
120 static int audio_sync_method = 0;
121 static float audio_drift_threshold = 0.1;
122 static int copy_ts = 0;
123 static int copy_tb = 1;
124 static int opt_shortest = 0;
125 static char *vstats_filename;
126 static FILE *vstats_file;
128 static int audio_volume = 256;
130 static int exit_on_error = 0;
131 static int using_stdin = 0;
132 static int64_t video_size = 0;
133 static int64_t audio_size = 0;
134 static int64_t extra_size = 0;
135 static int nb_frames_dup = 0;
136 static int nb_frames_drop = 0;
137 static int input_sync;
139 static float dts_delta_threshold = 10;
141 static int print_stats = 1;
143 static uint8_t *audio_buf;
144 static unsigned int allocated_audio_buf_size;
146 #define DEFAULT_PASS_LOGFILENAME_PREFIX "av2pass"
148 typedef struct FrameBuffer {
154 enum PixelFormat pix_fmt;
157 struct InputStream *ist;
158 struct FrameBuffer *next;
161 typedef struct InputStream {
164 int discard; /* true if stream data should be discarded */
165 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
167 AVFrame *decoded_frame;
168 AVFrame *filtered_frame;
170 int64_t start; /* time when read started */
171 /* predicted dts of the next packet read for this stream or (when there are
172 * several frames in a packet) of the next frame in current packet */
174 /* dts of the last packet read for this stream */
176 PtsCorrectionContext pts_ctx;
178 int is_start; /* is 1 at the start and after a discontinuity */
179 int showed_multi_packet_warning;
182 /* a pool of free buffers for decoded data */
183 FrameBuffer *buffer_pool;
186 typedef struct InputFile {
187 AVFormatContext *ctx;
188 int eof_reached; /* true if eof reached */
189 int ist_index; /* index of first stream in ist_table */
190 int buffer_size; /* current total buffer size */
192 int nb_streams; /* number of stream that avconv is aware of; may be different
193 from ctx.nb_streams if new streams appear during av_read_frame() */
197 typedef struct OutputStream {
198 int file_index; /* file index */
199 int index; /* stream index in the output file */
200 int source_index; /* InputStream index */
201 AVStream *st; /* stream in the output file */
202 int encoding_needed; /* true if encoding needed for this stream */
204 /* input pts and corresponding output pts
206 // double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
207 struct InputStream *sync_ist; /* input stream to sync against */
208 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
209 /* pts of the first frame encoded for this stream, used for limiting
212 AVBitStreamFilterContext *bitstream_filters;
215 AVFrame *output_frame;
219 AVFrame pict_tmp; /* temporary image for resampling */
220 struct SwsContext *img_resample_ctx; /* for image resampling */
223 int resample_pix_fmt;
224 AVRational frame_rate;
228 float frame_aspect_ratio;
230 /* forced key frames */
231 int64_t *forced_kf_pts;
237 ReSampleContext *resample; /* for audio resampling */
238 int resample_sample_fmt;
239 int resample_channels;
240 int resample_sample_rate;
242 AVAudioConvert *reformat_ctx;
243 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
247 AVFilterContext *output_video_filter;
248 AVFilterContext *input_video_filter;
249 AVFilterBufferRef *picref;
251 AVFilterGraph *graph;
256 int is_past_recording_time;
258 const char *attachment_filename;
259 int copy_initial_nonkeyframes;
263 typedef struct OutputFile {
264 AVFormatContext *ctx;
266 int ost_index; /* index of the first stream in output_streams */
267 int64_t recording_time; /* desired length of the resulting file in microseconds */
268 int64_t start_time; /* start time in microseconds */
269 uint64_t limit_filesize;
272 static InputStream *input_streams = NULL;
273 static int nb_input_streams = 0;
274 static InputFile *input_files = NULL;
275 static int nb_input_files = 0;
277 static OutputStream *output_streams = NULL;
278 static int nb_output_streams = 0;
279 static OutputFile *output_files = NULL;
280 static int nb_output_files = 0;
282 typedef struct OptionsContext {
283 /* input/output options */
287 SpecifierOpt *codec_names;
289 SpecifierOpt *audio_channels;
290 int nb_audio_channels;
291 SpecifierOpt *audio_sample_rate;
292 int nb_audio_sample_rate;
293 SpecifierOpt *frame_rates;
295 SpecifierOpt *frame_sizes;
297 SpecifierOpt *frame_pix_fmts;
298 int nb_frame_pix_fmts;
301 int64_t input_ts_offset;
304 SpecifierOpt *ts_scale;
306 SpecifierOpt *dump_attachment;
307 int nb_dump_attachment;
310 StreamMap *stream_maps;
312 /* first item specifies output metadata, second is input */
313 MetadataMap (*meta_data_maps)[2];
314 int nb_meta_data_maps;
315 int metadata_global_manual;
316 int metadata_streams_manual;
317 int metadata_chapters_manual;
318 const char **attachments;
321 int chapters_input_file;
323 int64_t recording_time;
324 uint64_t limit_filesize;
330 int subtitle_disable;
333 /* indexed by output file stream index */
337 SpecifierOpt *metadata;
339 SpecifierOpt *max_frames;
341 SpecifierOpt *bitstream_filters;
342 int nb_bitstream_filters;
343 SpecifierOpt *codec_tags;
345 SpecifierOpt *sample_fmts;
347 SpecifierOpt *qscale;
349 SpecifierOpt *forced_key_frames;
350 int nb_forced_key_frames;
351 SpecifierOpt *force_fps;
353 SpecifierOpt *frame_aspect_ratios;
354 int nb_frame_aspect_ratios;
355 SpecifierOpt *rc_overrides;
357 SpecifierOpt *intra_matrices;
358 int nb_intra_matrices;
359 SpecifierOpt *inter_matrices;
360 int nb_inter_matrices;
361 SpecifierOpt *top_field_first;
362 int nb_top_field_first;
363 SpecifierOpt *metadata_map;
365 SpecifierOpt *presets;
367 SpecifierOpt *copy_initial_nonkeyframes;
368 int nb_copy_initial_nonkeyframes;
370 SpecifierOpt *filters;
375 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
378 for (i = 0; i < o->nb_ ## name; i++) {\
379 char *spec = o->name[i].specifier;\
380 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
381 outvar = o->name[i].u.type;\
387 static void reset_options(OptionsContext *o)
389 const OptionDef *po = options;
391 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
393 void *dst = (uint8_t*)o + po->u.off;
395 if (po->flags & OPT_SPEC) {
396 SpecifierOpt **so = dst;
397 int i, *count = (int*)(so + 1);
398 for (i = 0; i < *count; i++) {
399 av_freep(&(*so)[i].specifier);
400 if (po->flags & OPT_STRING)
401 av_freep(&(*so)[i].u.str);
405 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
410 av_freep(&o->stream_maps);
411 av_freep(&o->meta_data_maps);
412 av_freep(&o->streamid_map);
414 memset(o, 0, sizeof(*o));
416 o->mux_max_delay = 0.7;
417 o->recording_time = INT64_MAX;
418 o->limit_filesize = UINT64_MAX;
419 o->chapters_input_file = INT_MAX;
425 static int alloc_buffer(InputStream *ist, FrameBuffer **pbuf)
427 AVCodecContext *s = ist->st->codec;
428 FrameBuffer *buf = av_mallocz(sizeof(*buf));
430 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
431 int h_chroma_shift, v_chroma_shift;
432 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
433 int w = s->width, h = s->height;
436 return AVERROR(ENOMEM);
438 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
443 avcodec_align_dimensions(s, &w, &h);
444 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
445 s->pix_fmt, 32)) < 0) {
449 /* XXX this shouldn't be needed, but some tests break without this line
450 * those decoders are buggy and need to be fixed.
451 * the following tests fail:
452 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
454 memset(buf->base[0], 128, ret);
456 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
457 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
458 const int h_shift = i==0 ? 0 : h_chroma_shift;
459 const int v_shift = i==0 ? 0 : v_chroma_shift;
460 if (s->flags & CODEC_FLAG_EMU_EDGE)
461 buf->data[i] = buf->base[i];
463 buf->data[i] = buf->base[i] +
464 FFALIGN((buf->linesize[i]*edge >> v_shift) +
465 (pixel_size*edge >> h_shift), 32);
469 buf->pix_fmt = s->pix_fmt;
476 static void free_buffer_pool(InputStream *ist)
478 FrameBuffer *buf = ist->buffer_pool;
480 ist->buffer_pool = buf->next;
481 av_freep(&buf->base[0]);
483 buf = ist->buffer_pool;
487 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
489 av_assert0(buf->refcount);
491 if (!buf->refcount) {
492 buf->next = ist->buffer_pool;
493 ist->buffer_pool = buf;
497 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
499 InputStream *ist = s->opaque;
503 if (!ist->buffer_pool && (ret = alloc_buffer(ist, &ist->buffer_pool)) < 0)
506 buf = ist->buffer_pool;
507 ist->buffer_pool = buf->next;
509 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
510 av_freep(&buf->base[0]);
512 if ((ret = alloc_buffer(ist, &buf)) < 0)
518 frame->type = FF_BUFFER_TYPE_USER;
519 frame->extended_data = frame->data;
520 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
522 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
523 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
524 frame->data[i] = buf->data[i];
525 frame->linesize[i] = buf->linesize[i];
531 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
533 InputStream *ist = s->opaque;
534 FrameBuffer *buf = frame->opaque;
537 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
538 frame->data[i] = NULL;
540 unref_buffer(ist, buf);
543 static void filter_release_buffer(AVFilterBuffer *fb)
545 FrameBuffer *buf = fb->priv;
547 unref_buffer(buf->ist, buf);
552 static int configure_video_filters(InputStream *ist, OutputStream *ost)
554 AVFilterContext *last_filter, *filter;
555 /** filter graph containing all filters including input & output */
556 AVCodecContext *codec = ost->st->codec;
557 AVCodecContext *icodec = ist->st->codec;
558 SinkContext sink_ctx = { .pix_fmt = codec->pix_fmt };
559 AVRational sample_aspect_ratio;
563 ost->graph = avfilter_graph_alloc();
565 if (ist->st->sample_aspect_ratio.num) {
566 sample_aspect_ratio = ist->st->sample_aspect_ratio;
568 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
570 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
571 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
572 sample_aspect_ratio.num, sample_aspect_ratio.den);
574 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
575 "src", args, NULL, ost->graph);
578 ret = avfilter_graph_create_filter(&ost->output_video_filter, &sink,
579 "out", NULL, &sink_ctx, ost->graph);
582 last_filter = ost->input_video_filter;
584 if (codec->width != icodec->width || codec->height != icodec->height) {
585 snprintf(args, 255, "%d:%d:flags=0x%X",
588 (unsigned)ost->sws_flags);
589 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
590 NULL, args, NULL, ost->graph)) < 0)
592 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
594 last_filter = filter;
597 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
598 ost->graph->scale_sws_opts = av_strdup(args);
601 AVFilterInOut *outputs = av_malloc(sizeof(AVFilterInOut));
602 AVFilterInOut *inputs = av_malloc(sizeof(AVFilterInOut));
604 outputs->name = av_strdup("in");
605 outputs->filter_ctx = last_filter;
606 outputs->pad_idx = 0;
607 outputs->next = NULL;
609 inputs->name = av_strdup("out");
610 inputs->filter_ctx = ost->output_video_filter;
614 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, inputs, outputs, NULL)) < 0)
617 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
621 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
624 codec->width = ost->output_video_filter->inputs[0]->w;
625 codec->height = ost->output_video_filter->inputs[0]->h;
626 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
627 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
628 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
629 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
633 #endif /* CONFIG_AVFILTER */
635 static void term_exit(void)
637 av_log(NULL, AV_LOG_QUIET, "");
640 static volatile int received_sigterm = 0;
641 static volatile int received_nb_signals = 0;
644 sigterm_handler(int sig)
646 received_sigterm = sig;
647 received_nb_signals++;
651 static void term_init(void)
653 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
654 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
656 signal(SIGXCPU, sigterm_handler);
660 static int decode_interrupt_cb(void *ctx)
662 return received_nb_signals > 1;
665 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
667 void exit_program(int ret)
672 for (i = 0; i < nb_output_files; i++) {
673 AVFormatContext *s = output_files[i].ctx;
674 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
676 avformat_free_context(s);
677 av_dict_free(&output_files[i].opts);
679 for (i = 0; i < nb_output_streams; i++) {
680 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
682 AVBitStreamFilterContext *next = bsfc->next;
683 av_bitstream_filter_close(bsfc);
686 output_streams[i].bitstream_filters = NULL;
688 if (output_streams[i].output_frame) {
689 AVFrame *frame = output_streams[i].output_frame;
690 if (frame->extended_data != frame->data)
691 av_freep(&frame->extended_data);
696 av_freep(&output_streams[i].avfilter);
699 for (i = 0; i < nb_input_files; i++) {
700 avformat_close_input(&input_files[i].ctx);
702 for (i = 0; i < nb_input_streams; i++) {
703 av_freep(&input_streams[i].decoded_frame);
704 av_freep(&input_streams[i].filtered_frame);
705 av_dict_free(&input_streams[i].opts);
706 free_buffer_pool(&input_streams[i]);
711 av_free(vstats_filename);
713 av_freep(&input_streams);
714 av_freep(&input_files);
715 av_freep(&output_streams);
716 av_freep(&output_files);
720 allocated_audio_buf_size = 0;
725 avformat_network_deinit();
727 if (received_sigterm) {
728 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
729 (int) received_sigterm);
736 static void assert_avoptions(AVDictionary *m)
738 AVDictionaryEntry *t;
739 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
740 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
745 static void assert_codec_experimental(AVCodecContext *c, int encoder)
747 const char *codec_string = encoder ? "encoder" : "decoder";
749 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
750 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
751 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
752 "results.\nAdd '-strict experimental' if you want to use it.\n",
753 codec_string, c->codec->name);
754 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
755 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
756 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
757 codec_string, codec->name);
762 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
764 if (codec && codec->sample_fmts) {
765 const enum AVSampleFormat *p = codec->sample_fmts;
766 for (; *p != -1; p++) {
767 if (*p == st->codec->sample_fmt)
771 av_log(NULL, AV_LOG_WARNING,
772 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
773 av_get_sample_fmt_name(st->codec->sample_fmt),
775 av_get_sample_fmt_name(codec->sample_fmts[0]));
776 st->codec->sample_fmt = codec->sample_fmts[0];
782 * Update the requested input sample format based on the output sample format.
783 * This is currently only used to request float output from decoders which
784 * support multiple sample formats, one of which is AV_SAMPLE_FMT_FLT.
785 * Ideally this will be removed in the future when decoders do not do format
786 * conversion and only output in their native format.
788 static void update_sample_fmt(AVCodecContext *dec, AVCodec *dec_codec,
791 /* if sample formats match or a decoder sample format has already been
792 requested, just return */
793 if (enc->sample_fmt == dec->sample_fmt ||
794 dec->request_sample_fmt > AV_SAMPLE_FMT_NONE)
797 /* if decoder supports more than one output format */
798 if (dec_codec && dec_codec->sample_fmts &&
799 dec_codec->sample_fmts[0] != AV_SAMPLE_FMT_NONE &&
800 dec_codec->sample_fmts[1] != AV_SAMPLE_FMT_NONE) {
801 const enum AVSampleFormat *p;
802 int min_dec = -1, min_inc = -1;
804 /* find a matching sample format in the encoder */
805 for (p = dec_codec->sample_fmts; *p != AV_SAMPLE_FMT_NONE; p++) {
806 if (*p == enc->sample_fmt) {
807 dec->request_sample_fmt = *p;
809 } else if (*p > enc->sample_fmt) {
810 min_inc = FFMIN(min_inc, *p - enc->sample_fmt);
812 min_dec = FFMIN(min_dec, enc->sample_fmt - *p);
815 /* if none match, provide the one that matches quality closest */
816 dec->request_sample_fmt = min_inc > 0 ? enc->sample_fmt + min_inc :
817 enc->sample_fmt - min_dec;
821 static void choose_sample_rate(AVStream *st, AVCodec *codec)
823 if (codec && codec->supported_samplerates) {
824 const int *p = codec->supported_samplerates;
826 int best_dist = INT_MAX;
828 int dist = abs(st->codec->sample_rate - *p);
829 if (dist < best_dist) {
835 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
837 st->codec->sample_rate = best;
841 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
843 if (codec && codec->pix_fmts) {
844 const enum PixelFormat *p = codec->pix_fmts;
845 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
846 if (st->codec->codec_id == CODEC_ID_MJPEG) {
847 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
848 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
849 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
850 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
853 for (; *p != PIX_FMT_NONE; p++) {
854 if (*p == st->codec->pix_fmt)
857 if (*p == PIX_FMT_NONE) {
858 if (st->codec->pix_fmt != PIX_FMT_NONE)
859 av_log(NULL, AV_LOG_WARNING,
860 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
861 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
863 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
864 st->codec->pix_fmt = codec->pix_fmts[0];
870 get_sync_ipts(const OutputStream *ost, int64_t pts)
872 OutputFile *of = &output_files[ost->file_index];
873 return (double)(pts - of->start_time) / AV_TIME_BASE;
876 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
878 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
879 AVCodecContext *avctx = ost->st->codec;
883 * Audio encoders may split the packets -- #frames in != #packets out.
884 * But there is no reordering, so we can limit the number of output packets
885 * by simply dropping them here.
886 * Counting encoded video frames needs to be done separately because of
887 * reordering, see do_video_out()
889 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
890 if (ost->frame_number >= ost->max_frames)
896 AVPacket new_pkt = *pkt;
897 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
898 &new_pkt.data, &new_pkt.size,
899 pkt->data, pkt->size,
900 pkt->flags & AV_PKT_FLAG_KEY);
903 new_pkt.destruct = av_destruct_packet;
905 av_log(NULL, AV_LOG_ERROR, "%s failed for stream %d, codec %s",
906 bsfc->filter->name, pkt->stream_index,
907 avctx->codec ? avctx->codec->name : "copy");
917 pkt->stream_index = ost->index;
918 ret = av_interleaved_write_frame(s, pkt);
920 print_error("av_interleaved_write_frame()", ret);
925 static int check_recording_time(OutputStream *ost)
927 OutputFile *of = &output_files[ost->file_index];
929 if (of->recording_time != INT64_MAX &&
930 av_compare_ts(ost->sync_opts - ost->first_pts, ost->st->codec->time_base, of->recording_time,
931 AV_TIME_BASE_Q) >= 0) {
932 ost->is_past_recording_time = 1;
938 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
940 int fill_char = 0x00;
941 if (sample_fmt == AV_SAMPLE_FMT_U8)
943 memset(buf, fill_char, size);
946 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
947 const uint8_t *buf, int buf_size)
949 AVCodecContext *enc = ost->st->codec;
950 AVFrame *frame = NULL;
954 av_init_packet(&pkt);
959 if (!ost->output_frame) {
960 ost->output_frame = avcodec_alloc_frame();
961 if (!ost->output_frame) {
962 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
966 frame = ost->output_frame;
967 if (frame->extended_data != frame->data)
968 av_freep(&frame->extended_data);
969 avcodec_get_frame_defaults(frame);
971 frame->nb_samples = buf_size /
972 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
973 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
974 buf, buf_size, 1)) < 0) {
975 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
979 if (!check_recording_time(ost))
982 ost->sync_opts += frame->nb_samples;
986 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
987 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
992 if (pkt.pts != AV_NOPTS_VALUE)
993 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
994 if (pkt.dts != AV_NOPTS_VALUE)
995 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
996 if (pkt.duration > 0)
997 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
999 write_frame(s, &pkt, ost);
1001 audio_size += pkt.size;
1007 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1008 InputStream *ist, AVFrame *decoded_frame)
1011 int64_t audio_buf_size;
1013 int size_out, frame_bytes, resample_changed;
1014 AVCodecContext *enc = ost->st->codec;
1015 AVCodecContext *dec = ist->st->codec;
1016 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1017 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1018 uint8_t *buf = decoded_frame->data[0];
1019 int size = decoded_frame->nb_samples * dec->channels * isize;
1020 int64_t allocated_for_size = size;
1023 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1024 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1025 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1026 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1027 audio_buf_size *= osize * enc->channels;
1029 if (audio_buf_size > INT_MAX) {
1030 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1034 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1036 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1040 if (enc->channels != dec->channels || enc->sample_rate != dec->sample_rate)
1041 ost->audio_resample = 1;
1043 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1044 ost->resample_channels != dec->channels ||
1045 ost->resample_sample_rate != dec->sample_rate;
1047 if ((ost->audio_resample && !ost->resample) || resample_changed) {
1048 if (resample_changed) {
1049 av_log(NULL, AV_LOG_INFO, "Input stream #%d:%d frame changed from rate:%d fmt:%s ch:%d to rate:%d fmt:%s ch:%d\n",
1050 ist->file_index, ist->st->index,
1051 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1052 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1053 ost->resample_sample_fmt = dec->sample_fmt;
1054 ost->resample_channels = dec->channels;
1055 ost->resample_sample_rate = dec->sample_rate;
1057 audio_resample_close(ost->resample);
1059 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1060 if (audio_sync_method <= 1 &&
1061 ost->resample_sample_fmt == enc->sample_fmt &&
1062 ost->resample_channels == enc->channels &&
1063 ost->resample_sample_rate == enc->sample_rate) {
1064 ost->resample = NULL;
1065 ost->audio_resample = 0;
1066 } else if (ost->audio_resample) {
1067 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
1068 av_log(NULL, AV_LOG_WARNING, "Using s16 intermediate sample format for resampling\n");
1069 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
1070 enc->sample_rate, dec->sample_rate,
1071 enc->sample_fmt, dec->sample_fmt,
1073 if (!ost->resample) {
1074 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1075 dec->channels, dec->sample_rate,
1076 enc->channels, enc->sample_rate);
1082 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
1083 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt &&
1084 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt) != ost->reformat_pair) {
1085 if (ost->reformat_ctx)
1086 av_audio_convert_free(ost->reformat_ctx);
1087 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
1088 dec->sample_fmt, 1, NULL, 0);
1089 if (!ost->reformat_ctx) {
1090 av_log(NULL, AV_LOG_FATAL, "Cannot convert %s sample format to %s sample format\n",
1091 av_get_sample_fmt_name(dec->sample_fmt),
1092 av_get_sample_fmt_name(enc->sample_fmt));
1095 ost->reformat_pair = MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
1098 if (audio_sync_method) {
1099 double delta = get_sync_ipts(ost, ist->last_dts) * enc->sample_rate - ost->sync_opts -
1100 av_fifo_size(ost->fifo) / (enc->channels * osize);
1101 int idelta = delta * dec->sample_rate / enc->sample_rate;
1102 int byte_delta = idelta * isize * dec->channels;
1104 // FIXME resample delay
1105 if (fabs(delta) > 50) {
1106 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1107 if (byte_delta < 0) {
1108 byte_delta = FFMAX(byte_delta, -size);
1111 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1112 -byte_delta / (isize * dec->channels));
1117 static uint8_t *input_tmp = NULL;
1118 input_tmp = av_realloc(input_tmp, byte_delta + size);
1120 if (byte_delta > allocated_for_size - size) {
1121 allocated_for_size = byte_delta + (int64_t)size;
1126 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1127 memcpy(input_tmp + byte_delta, buf, size);
1130 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1132 } else if (audio_sync_method > 1) {
1133 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1134 av_assert0(ost->audio_resample);
1135 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1136 delta, comp, enc->sample_rate);
1137 // fprintf(stderr, "drift:%f len:%d opts:%"PRId64" ipts:%"PRId64" fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2));
1138 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
1142 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->last_dts) * enc->sample_rate) -
1143 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1145 if (ost->audio_resample) {
1147 size_out = audio_resample(ost->resample,
1148 (short *)buftmp, (short *)buf,
1149 size / (dec->channels * isize));
1150 size_out = size_out * enc->channels * osize;
1156 if (!ost->audio_resample && dec->sample_fmt != enc->sample_fmt) {
1157 const void *ibuf[6] = { buftmp };
1158 void *obuf[6] = { audio_buf };
1159 int istride[6] = { isize };
1160 int ostride[6] = { osize };
1161 int len = size_out / istride[0];
1162 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len) < 0) {
1163 printf("av_audio_convert() failed\n");
1169 size_out = len * osize;
1172 /* now encode as many frames as possible */
1173 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1174 /* output resampled raw samples */
1175 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1176 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1179 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1181 frame_bytes = enc->frame_size * osize * enc->channels;
1183 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1184 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1185 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1188 encode_audio_frame(s, ost, buftmp, size_out);
1192 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1194 AVCodecContext *dec;
1195 AVPicture *picture2;
1196 AVPicture picture_tmp;
1199 dec = ist->st->codec;
1201 /* deinterlace : must be done before any resize */
1202 if (do_deinterlace) {
1205 /* create temporary picture */
1206 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1207 buf = av_malloc(size);
1211 picture2 = &picture_tmp;
1212 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1214 if (avpicture_deinterlace(picture2, picture,
1215 dec->pix_fmt, dec->width, dec->height) < 0) {
1216 /* if error, do not deinterlace */
1217 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1226 if (picture != picture2)
1227 *picture = *picture2;
1231 static void do_subtitle_out(AVFormatContext *s,
1237 static uint8_t *subtitle_out = NULL;
1238 int subtitle_out_max_size = 1024 * 1024;
1239 int subtitle_out_size, nb, i;
1240 AVCodecContext *enc;
1243 if (pts == AV_NOPTS_VALUE) {
1244 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1250 enc = ost->st->codec;
1252 if (!subtitle_out) {
1253 subtitle_out = av_malloc(subtitle_out_max_size);
1256 /* Note: DVB subtitle need one packet to draw them and one other
1257 packet to clear them */
1258 /* XXX: signal it in the codec context ? */
1259 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1264 for (i = 0; i < nb; i++) {
1265 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1266 if (!check_recording_time(ost))
1269 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1270 // start_display_time is required to be 0
1271 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1272 sub->end_display_time -= sub->start_display_time;
1273 sub->start_display_time = 0;
1274 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1275 subtitle_out_max_size, sub);
1276 if (subtitle_out_size < 0) {
1277 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1281 av_init_packet(&pkt);
1282 pkt.data = subtitle_out;
1283 pkt.size = subtitle_out_size;
1284 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1285 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1286 /* XXX: the pts correction is handled here. Maybe handling
1287 it in the codec would be better */
1289 pkt.pts += 90 * sub->start_display_time;
1291 pkt.pts += 90 * sub->end_display_time;
1293 write_frame(s, &pkt, ost);
1297 #if !CONFIG_AVFILTER
1298 static void do_video_resample(OutputStream *ost,
1300 AVFrame *in_picture,
1301 AVFrame **out_picture)
1303 int resample_changed = 0;
1304 *out_picture = in_picture;
1306 resample_changed = ost->resample_width != in_picture->width ||
1307 ost->resample_height != in_picture->height ||
1308 ost->resample_pix_fmt != in_picture->format;
1310 if (resample_changed) {
1311 av_log(NULL, AV_LOG_INFO,
1312 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1313 ist->file_index, ist->st->index,
1314 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1315 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1316 if (!ost->video_resample)
1317 ost->video_resample = 1;
1320 if (ost->video_resample) {
1321 *out_picture = &ost->pict_tmp;
1322 if (resample_changed) {
1323 /* initialize a new scaler context */
1324 sws_freeContext(ost->img_resample_ctx);
1325 ost->img_resample_ctx = sws_getContext(
1326 ist->st->codec->width,
1327 ist->st->codec->height,
1328 ist->st->codec->pix_fmt,
1329 ost->st->codec->width,
1330 ost->st->codec->height,
1331 ost->st->codec->pix_fmt,
1332 ost->sws_flags, NULL, NULL, NULL);
1333 if (ost->img_resample_ctx == NULL) {
1334 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1338 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1339 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1341 if (resample_changed) {
1342 ost->resample_width = in_picture->width;
1343 ost->resample_height = in_picture->height;
1344 ost->resample_pix_fmt = in_picture->format;
1350 static void do_video_out(AVFormatContext *s,
1353 AVFrame *in_picture,
1354 int *frame_size, float quality)
1356 int nb_frames, i, ret, format_video_sync;
1357 AVFrame *final_picture;
1358 AVCodecContext *enc;
1359 double sync_ipts, delta;
1361 enc = ost->st->codec;
1363 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1364 delta = sync_ipts - ost->sync_opts;
1366 /* by default, we output a single frame */
1371 format_video_sync = video_sync_method;
1372 if (format_video_sync == VSYNC_AUTO)
1373 format_video_sync = (s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH :
1374 (s->oformat->flags & AVFMT_VARIABLE_FPS) ? VSYNC_VFR : VSYNC_CFR;
1376 switch (format_video_sync) {
1378 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1381 else if (delta > 1.1)
1382 nb_frames = lrintf(delta);
1387 else if (delta > 0.6)
1388 ost->sync_opts = lrintf(sync_ipts);
1390 case VSYNC_PASSTHROUGH:
1391 ost->sync_opts = lrintf(sync_ipts);
1397 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1398 if (nb_frames == 0) {
1400 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1402 } else if (nb_frames > 1) {
1403 nb_frames_dup += nb_frames - 1;
1404 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1407 #if !CONFIG_AVFILTER
1408 do_video_resample(ost, ist, in_picture, &final_picture);
1410 final_picture = in_picture;
1413 if (!ost->frame_number)
1414 ost->first_pts = ost->sync_opts;
1416 /* duplicates frame if needed */
1417 for (i = 0; i < nb_frames; i++) {
1419 av_init_packet(&pkt);
1423 if (!check_recording_time(ost))
1426 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1427 enc->codec->id == CODEC_ID_RAWVIDEO) {
1428 /* raw pictures are written as AVPicture structure to
1429 avoid any copies. We support temporarily the older
1431 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1432 enc->coded_frame->top_field_first = in_picture->top_field_first;
1433 pkt.data = (uint8_t *)final_picture;
1434 pkt.size = sizeof(AVPicture);
1435 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1436 pkt.flags |= AV_PKT_FLAG_KEY;
1438 write_frame(s, &pkt, ost);
1441 AVFrame big_picture;
1443 big_picture = *final_picture;
1444 /* better than nothing: use input picture interlaced
1446 big_picture.interlaced_frame = in_picture->interlaced_frame;
1447 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1448 if (ost->top_field_first == -1)
1449 big_picture.top_field_first = in_picture->top_field_first;
1451 big_picture.top_field_first = !!ost->top_field_first;
1454 /* handles same_quant here. This is not correct because it may
1455 not be a global option */
1456 big_picture.quality = quality;
1457 if (!enc->me_threshold)
1458 big_picture.pict_type = 0;
1459 big_picture.pts = ost->sync_opts;
1460 if (ost->forced_kf_index < ost->forced_kf_count &&
1461 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1462 big_picture.pict_type = AV_PICTURE_TYPE_I;
1463 ost->forced_kf_index++;
1465 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1467 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1472 if (pkt.pts != AV_NOPTS_VALUE)
1473 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1474 if (pkt.dts != AV_NOPTS_VALUE)
1475 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1477 write_frame(s, &pkt, ost);
1478 *frame_size = pkt.size;
1479 video_size += pkt.size;
1481 /* if two pass, output log */
1482 if (ost->logfile && enc->stats_out) {
1483 fprintf(ost->logfile, "%s", enc->stats_out);
1489 * For video, number of frames in == number of packets out.
1490 * But there may be reordering, so we can't throw away frames on encoder
1491 * flush, we need to limit them here, before they go into encoder.
1493 ost->frame_number++;
1497 static double psnr(double d)
1499 return -10.0 * log(d) / log(10.0);
1502 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1505 AVCodecContext *enc;
1507 double ti1, bitrate, avg_bitrate;
1509 /* this is executed just the first time do_video_stats is called */
1511 vstats_file = fopen(vstats_filename, "w");
1518 enc = ost->st->codec;
1519 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1520 frame_number = ost->frame_number;
1521 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1522 if (enc->flags&CODEC_FLAG_PSNR)
1523 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1525 fprintf(vstats_file,"f_size= %6d ", frame_size);
1526 /* compute pts value */
1527 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1531 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1532 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1533 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1534 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1535 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1539 static void print_report(OutputFile *output_files,
1540 OutputStream *ost_table, int nb_ostreams,
1541 int is_last_report, int64_t timer_start)
1545 AVFormatContext *oc;
1547 AVCodecContext *enc;
1548 int frame_number, vid, i;
1549 double bitrate, ti1, pts;
1550 static int64_t last_time = -1;
1551 static int qp_histogram[52];
1553 if (!print_stats && !is_last_report)
1556 if (!is_last_report) {
1558 /* display the report every 0.5 seconds */
1559 cur_time = av_gettime();
1560 if (last_time == -1) {
1561 last_time = cur_time;
1564 if ((cur_time - last_time) < 500000)
1566 last_time = cur_time;
1570 oc = output_files[0].ctx;
1572 total_size = avio_size(oc->pb);
1573 if (total_size < 0) // FIXME improve avio_size() so it works with non seekable output too
1574 total_size = avio_tell(oc->pb);
1579 for (i = 0; i < nb_ostreams; i++) {
1581 ost = &ost_table[i];
1582 enc = ost->st->codec;
1583 if (!ost->stream_copy && enc->coded_frame)
1584 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1585 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1586 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1588 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1589 float t = (av_gettime() - timer_start) / 1000000.0;
1591 frame_number = ost->frame_number;
1592 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1593 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1595 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1599 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1601 for (j = 0; j < 32; j++)
1602 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1604 if (enc->flags&CODEC_FLAG_PSNR) {
1606 double error, error_sum = 0;
1607 double scale, scale_sum = 0;
1608 char type[3] = { 'Y','U','V' };
1609 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1610 for (j = 0; j < 3; j++) {
1611 if (is_last_report) {
1612 error = enc->error[j];
1613 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1615 error = enc->coded_frame->error[j];
1616 scale = enc->width * enc->height * 255.0 * 255.0;
1622 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1624 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1628 /* compute min output value */
1629 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1630 if ((pts < ti1) && (pts > 0))
1636 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1638 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1639 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1640 (double)total_size / 1024, ti1, bitrate);
1642 if (nb_frames_dup || nb_frames_drop)
1643 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1644 nb_frames_dup, nb_frames_drop);
1646 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1650 if (is_last_report) {
1651 int64_t raw= audio_size + video_size + extra_size;
1652 av_log(NULL, AV_LOG_INFO, "\n");
1653 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1654 video_size / 1024.0,
1655 audio_size / 1024.0,
1656 extra_size / 1024.0,
1657 100.0 * (total_size - raw) / raw
1662 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1666 for (i = 0; i < nb_ostreams; i++) {
1667 OutputStream *ost = &ost_table[i];
1668 AVCodecContext *enc = ost->st->codec;
1669 AVFormatContext *os = output_files[ost->file_index].ctx;
1670 int stop_encoding = 0;
1672 if (!ost->encoding_needed)
1675 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1677 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1682 int fifo_bytes, got_packet;
1683 av_init_packet(&pkt);
1687 switch (ost->st->codec->codec_type) {
1688 case AVMEDIA_TYPE_AUDIO:
1689 fifo_bytes = av_fifo_size(ost->fifo);
1690 if (fifo_bytes > 0) {
1691 /* encode any samples remaining in fifo */
1692 int frame_bytes = fifo_bytes;
1694 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1696 /* pad last frame with silence if needed */
1697 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1698 frame_bytes = enc->frame_size * enc->channels *
1699 av_get_bytes_per_sample(enc->sample_fmt);
1700 if (allocated_audio_buf_size < frame_bytes)
1702 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1704 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1706 /* flush encoder with NULL frames until it is done
1707 returning packets */
1708 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1714 case AVMEDIA_TYPE_VIDEO:
1715 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1717 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1721 if (ost->logfile && enc->stats_out) {
1722 fprintf(ost->logfile, "%s", enc->stats_out);
1728 if (pkt.pts != AV_NOPTS_VALUE)
1729 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1730 if (pkt.dts != AV_NOPTS_VALUE)
1731 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1732 write_frame(os, &pkt, ost);
1744 * Check whether a packet from ist should be written into ost at this time
1746 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1748 OutputFile *of = &output_files[ost->file_index];
1749 int ist_index = ist - input_streams;
1751 if (ost->source_index != ist_index)
1754 if (of->start_time && ist->last_dts < of->start_time)
1760 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1762 OutputFile *of = &output_files[ost->file_index];
1763 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1766 av_init_packet(&opkt);
1768 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1769 !ost->copy_initial_nonkeyframes)
1772 if (of->recording_time != INT64_MAX &&
1773 ist->last_dts >= of->recording_time + of->start_time) {
1774 ost->is_past_recording_time = 1;
1778 /* force the input stream PTS */
1779 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1780 audio_size += pkt->size;
1781 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1782 video_size += pkt->size;
1786 if (pkt->pts != AV_NOPTS_VALUE)
1787 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1789 opkt.pts = AV_NOPTS_VALUE;
1791 if (pkt->dts == AV_NOPTS_VALUE)
1792 opkt.dts = av_rescale_q(ist->last_dts, AV_TIME_BASE_Q, ost->st->time_base);
1794 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1795 opkt.dts -= ost_tb_start_time;
1797 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1798 opkt.flags = pkt->flags;
1800 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1801 if ( ost->st->codec->codec_id != CODEC_ID_H264
1802 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1803 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1804 && ost->st->codec->codec_id != CODEC_ID_VC1
1806 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1807 opkt.destruct = av_destruct_packet;
1809 opkt.data = pkt->data;
1810 opkt.size = pkt->size;
1813 write_frame(of->ctx, &opkt, ost);
1814 ost->st->codec->frame_number++;
1815 av_free_packet(&opkt);
1818 static void rate_emu_sleep(InputStream *ist)
1820 if (input_files[ist->file_index].rate_emu) {
1821 int64_t pts = av_rescale(ist->last_dts, 1000000, AV_TIME_BASE);
1822 int64_t now = av_gettime() - ist->start;
1828 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1830 AVFrame *decoded_frame;
1831 AVCodecContext *avctx = ist->st->codec;
1832 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1835 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1836 return AVERROR(ENOMEM);
1838 avcodec_get_frame_defaults(ist->decoded_frame);
1839 decoded_frame = ist->decoded_frame;
1841 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1847 /* no audio frame */
1851 /* if the decoder provides a pts, use it instead of the last packet pts.
1852 the decoder could be delaying output by a packet or more. */
1853 if (decoded_frame->pts != AV_NOPTS_VALUE)
1854 ist->next_dts = decoded_frame->pts;
1856 /* increment next_dts to use for the case where the input stream does not
1857 have timestamps or there are multiple frames in the packet */
1858 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1861 // preprocess audio (volume)
1862 if (audio_volume != 256) {
1863 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
1864 void *samples = decoded_frame->data[0];
1865 switch (avctx->sample_fmt) {
1866 case AV_SAMPLE_FMT_U8:
1868 uint8_t *volp = samples;
1869 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1870 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
1871 *volp++ = av_clip_uint8(v);
1875 case AV_SAMPLE_FMT_S16:
1877 int16_t *volp = samples;
1878 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1879 int v = ((*volp) * audio_volume + 128) >> 8;
1880 *volp++ = av_clip_int16(v);
1884 case AV_SAMPLE_FMT_S32:
1886 int32_t *volp = samples;
1887 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1888 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
1889 *volp++ = av_clipl_int32(v);
1893 case AV_SAMPLE_FMT_FLT:
1895 float *volp = samples;
1896 float scale = audio_volume / 256.f;
1897 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1902 case AV_SAMPLE_FMT_DBL:
1904 double *volp = samples;
1905 double scale = audio_volume / 256.;
1906 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
1912 av_log(NULL, AV_LOG_FATAL,
1913 "Audio volume adjustment on sample format %s is not supported.\n",
1914 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
1919 rate_emu_sleep(ist);
1921 for (i = 0; i < nb_output_streams; i++) {
1922 OutputStream *ost = &output_streams[i];
1924 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1926 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
1932 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
1934 AVFrame *decoded_frame, *filtered_frame = NULL;
1935 void *buffer_to_free = NULL;
1939 int frame_available = 1;
1942 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1943 return AVERROR(ENOMEM);
1945 avcodec_get_frame_defaults(ist->decoded_frame);
1946 decoded_frame = ist->decoded_frame;
1947 pkt->pts = *pkt_pts;
1948 pkt->dts = ist->last_dts;
1949 *pkt_pts = AV_NOPTS_VALUE;
1951 ret = avcodec_decode_video2(ist->st->codec,
1952 decoded_frame, got_output, pkt);
1956 quality = same_quant ? decoded_frame->quality : 0;
1958 /* no picture yet */
1961 decoded_frame->pts = guess_correct_pts(&ist->pts_ctx, decoded_frame->pkt_pts,
1962 decoded_frame->pkt_dts);
1964 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
1966 rate_emu_sleep(ist);
1968 for (i = 0; i < nb_output_streams; i++) {
1969 OutputStream *ost = &output_streams[i];
1970 int frame_size, resample_changed;
1972 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
1976 resample_changed = ost->resample_width != decoded_frame->width ||
1977 ost->resample_height != decoded_frame->height ||
1978 ost->resample_pix_fmt != decoded_frame->format;
1979 if (resample_changed) {
1980 av_log(NULL, AV_LOG_INFO,
1981 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1982 ist->file_index, ist->st->index,
1983 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1984 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
1986 avfilter_graph_free(&ost->graph);
1987 if (configure_video_filters(ist, ost)) {
1988 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
1992 ost->resample_width = decoded_frame->width;
1993 ost->resample_height = decoded_frame->height;
1994 ost->resample_pix_fmt = decoded_frame->format;
1997 if (ist->st->sample_aspect_ratio.num)
1998 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
1999 if (ist->st->codec->codec->capabilities & CODEC_CAP_DR1) {
2000 FrameBuffer *buf = decoded_frame->opaque;
2001 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2002 decoded_frame->data, decoded_frame->linesize,
2003 AV_PERM_READ | AV_PERM_PRESERVE,
2004 ist->st->codec->width, ist->st->codec->height,
2005 ist->st->codec->pix_fmt);
2007 avfilter_copy_frame_props(fb, decoded_frame);
2008 fb->buf->priv = buf;
2009 fb->buf->free = filter_release_buffer;
2012 av_buffersrc_buffer(ost->input_video_filter, fb);
2014 av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame,
2015 decoded_frame->pts, decoded_frame->sample_aspect_ratio);
2017 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2018 ret = AVERROR(ENOMEM);
2021 avcodec_get_frame_defaults(ist->filtered_frame);
2022 filtered_frame = ist->filtered_frame;
2024 frame_available = avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2025 while (frame_available) {
2026 AVRational ist_pts_tb;
2027 if ((ret = get_filtered_video_frame(ost->output_video_filter,
2028 filtered_frame, &ost->picref,
2032 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2033 if (ost->picref->video && !ost->frame_aspect_ratio)
2034 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2036 filtered_frame = decoded_frame;
2039 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2040 same_quant ? quality : ost->st->codec->global_quality);
2041 if (vstats_filename && frame_size)
2042 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2044 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2046 avfilter_unref_buffer(ost->picref);
2052 av_free(buffer_to_free);
2056 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2058 AVSubtitle subtitle;
2059 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2060 &subtitle, got_output, pkt);
2066 rate_emu_sleep(ist);
2068 for (i = 0; i < nb_output_streams; i++) {
2069 OutputStream *ost = &output_streams[i];
2071 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2074 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2077 avsubtitle_free(&subtitle);
2081 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2082 static int output_packet(InputStream *ist,
2083 OutputStream *ost_table, int nb_ostreams,
2084 const AVPacket *pkt)
2088 int64_t pkt_pts = AV_NOPTS_VALUE;
2091 if (ist->next_dts == AV_NOPTS_VALUE)
2092 ist->next_dts = ist->last_dts;
2096 av_init_packet(&avpkt);
2104 if (pkt->dts != AV_NOPTS_VALUE)
2105 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2106 if (pkt->pts != AV_NOPTS_VALUE)
2107 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2109 // while we have more to decode or while the decoder did output something on EOF
2110 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2114 ist->last_dts = ist->next_dts;
2116 if (avpkt.size && avpkt.size != pkt->size) {
2117 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2118 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2119 ist->showed_multi_packet_warning = 1;
2122 switch (ist->st->codec->codec_type) {
2123 case AVMEDIA_TYPE_AUDIO:
2124 ret = transcode_audio (ist, &avpkt, &got_output);
2126 case AVMEDIA_TYPE_VIDEO:
2127 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2129 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2130 else if (ist->st->r_frame_rate.num)
2131 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2132 ist->st->r_frame_rate.num},
2134 else if (ist->st->codec->time_base.num != 0) {
2135 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2136 ist->st->codec->ticks_per_frame;
2137 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2140 case AVMEDIA_TYPE_SUBTITLE:
2141 ret = transcode_subtitles(ist, &avpkt, &got_output);
2149 // touch data and size only if not EOF
2159 /* handle stream copy */
2160 if (!ist->decoding_needed) {
2161 rate_emu_sleep(ist);
2162 ist->last_dts = ist->next_dts;
2163 switch (ist->st->codec->codec_type) {
2164 case AVMEDIA_TYPE_AUDIO:
2165 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2166 ist->st->codec->sample_rate;
2168 case AVMEDIA_TYPE_VIDEO:
2169 if (ist->st->codec->time_base.num != 0) {
2170 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2171 ist->next_dts += ((int64_t)AV_TIME_BASE *
2172 ist->st->codec->time_base.num * ticks) /
2173 ist->st->codec->time_base.den;
2178 for (i = 0; pkt && i < nb_ostreams; i++) {
2179 OutputStream *ost = &ost_table[i];
2181 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2184 do_streamcopy(ist, ost, pkt);
2190 static void print_sdp(OutputFile *output_files, int n)
2194 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2198 for (i = 0; i < n; i++)
2199 avc[i] = output_files[i].ctx;
2201 av_sdp_create(avc, n, sdp, sizeof(sdp));
2202 printf("SDP:\n%s\n", sdp);
2207 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2208 char *error, int error_len)
2211 InputStream *ist = &input_streams[ist_index];
2212 if (ist->decoding_needed) {
2213 AVCodec *codec = ist->dec;
2215 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2216 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2217 return AVERROR(EINVAL);
2220 /* update requested sample format for the decoder based on the
2221 corresponding encoder sample format */
2222 for (i = 0; i < nb_output_streams; i++) {
2223 OutputStream *ost = &output_streams[i];
2224 if (ost->source_index == ist_index) {
2225 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2230 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2231 ist->st->codec->get_buffer = codec_get_buffer;
2232 ist->st->codec->release_buffer = codec_release_buffer;
2233 ist->st->codec->opaque = ist;
2236 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2237 av_dict_set(&ist->opts, "threads", "auto", 0);
2238 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2239 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2240 ist->file_index, ist->st->index);
2241 return AVERROR(EINVAL);
2243 assert_codec_experimental(ist->st->codec, 0);
2244 assert_avoptions(ist->opts);
2247 ist->last_dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2248 ist->next_dts = AV_NOPTS_VALUE;
2249 init_pts_correction(&ist->pts_ctx);
2255 static int transcode_init(OutputFile *output_files,
2256 int nb_output_files,
2257 InputFile *input_files,
2260 int ret = 0, i, j, k;
2261 AVFormatContext *oc;
2262 AVCodecContext *codec, *icodec;
2268 /* init framerate emulation */
2269 for (i = 0; i < nb_input_files; i++) {
2270 InputFile *ifile = &input_files[i];
2271 if (ifile->rate_emu)
2272 for (j = 0; j < ifile->nb_streams; j++)
2273 input_streams[j + ifile->ist_index].start = av_gettime();
2276 /* output stream init */
2277 for (i = 0; i < nb_output_files; i++) {
2278 oc = output_files[i].ctx;
2279 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2280 av_dump_format(oc, i, oc->filename, 1);
2281 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2282 return AVERROR(EINVAL);
2286 /* for each output stream, we compute the right encoding parameters */
2287 for (i = 0; i < nb_output_streams; i++) {
2288 ost = &output_streams[i];
2289 oc = output_files[ost->file_index].ctx;
2290 ist = &input_streams[ost->source_index];
2292 if (ost->attachment_filename)
2295 codec = ost->st->codec;
2296 icodec = ist->st->codec;
2298 ost->st->disposition = ist->st->disposition;
2299 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2300 codec->chroma_sample_location = icodec->chroma_sample_location;
2302 if (ost->stream_copy) {
2303 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2305 if (extra_size > INT_MAX) {
2306 return AVERROR(EINVAL);
2309 /* if stream_copy is selected, no need to decode or encode */
2310 codec->codec_id = icodec->codec_id;
2311 codec->codec_type = icodec->codec_type;
2313 if (!codec->codec_tag) {
2314 if (!oc->oformat->codec_tag ||
2315 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2316 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2317 codec->codec_tag = icodec->codec_tag;
2320 codec->bit_rate = icodec->bit_rate;
2321 codec->rc_max_rate = icodec->rc_max_rate;
2322 codec->rc_buffer_size = icodec->rc_buffer_size;
2323 codec->field_order = icodec->field_order;
2324 codec->extradata = av_mallocz(extra_size);
2325 if (!codec->extradata) {
2326 return AVERROR(ENOMEM);
2328 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2329 codec->extradata_size = icodec->extradata_size;
2331 codec->time_base = icodec->time_base;
2332 codec->time_base.num *= icodec->ticks_per_frame;
2333 av_reduce(&codec->time_base.num, &codec->time_base.den,
2334 codec->time_base.num, codec->time_base.den, INT_MAX);
2336 codec->time_base = ist->st->time_base;
2338 switch (codec->codec_type) {
2339 case AVMEDIA_TYPE_AUDIO:
2340 if (audio_volume != 256) {
2341 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2344 codec->channel_layout = icodec->channel_layout;
2345 codec->sample_rate = icodec->sample_rate;
2346 codec->channels = icodec->channels;
2347 codec->frame_size = icodec->frame_size;
2348 codec->audio_service_type = icodec->audio_service_type;
2349 codec->block_align = icodec->block_align;
2351 case AVMEDIA_TYPE_VIDEO:
2352 codec->pix_fmt = icodec->pix_fmt;
2353 codec->width = icodec->width;
2354 codec->height = icodec->height;
2355 codec->has_b_frames = icodec->has_b_frames;
2356 if (!codec->sample_aspect_ratio.num) {
2357 codec->sample_aspect_ratio =
2358 ost->st->sample_aspect_ratio =
2359 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2360 ist->st->codec->sample_aspect_ratio.num ?
2361 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2364 case AVMEDIA_TYPE_SUBTITLE:
2365 codec->width = icodec->width;
2366 codec->height = icodec->height;
2368 case AVMEDIA_TYPE_DATA:
2369 case AVMEDIA_TYPE_ATTACHMENT:
2376 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2378 ist->decoding_needed = 1;
2379 ost->encoding_needed = 1;
2381 switch (codec->codec_type) {
2382 case AVMEDIA_TYPE_AUDIO:
2383 ost->fifo = av_fifo_alloc(1024);
2385 return AVERROR(ENOMEM);
2387 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2389 if (!codec->sample_rate)
2390 codec->sample_rate = icodec->sample_rate;
2391 choose_sample_rate(ost->st, ost->enc);
2392 codec->time_base = (AVRational){ 1, codec->sample_rate };
2394 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2395 codec->sample_fmt = icodec->sample_fmt;
2396 choose_sample_fmt(ost->st, ost->enc);
2398 if (!codec->channels)
2399 codec->channels = icodec->channels;
2400 codec->channel_layout = icodec->channel_layout;
2401 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2402 codec->channel_layout = 0;
2404 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2405 icodec->request_channels = codec-> channels;
2406 ost->resample_sample_fmt = icodec->sample_fmt;
2407 ost->resample_sample_rate = icodec->sample_rate;
2408 ost->resample_channels = icodec->channels;
2410 case AVMEDIA_TYPE_VIDEO:
2411 if (codec->pix_fmt == PIX_FMT_NONE)
2412 codec->pix_fmt = icodec->pix_fmt;
2413 choose_pixel_fmt(ost->st, ost->enc);
2415 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2416 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2420 if (!codec->width || !codec->height) {
2421 codec->width = icodec->width;
2422 codec->height = icodec->height;
2425 ost->video_resample = codec->width != icodec->width ||
2426 codec->height != icodec->height ||
2427 codec->pix_fmt != icodec->pix_fmt;
2428 if (ost->video_resample) {
2429 #if !CONFIG_AVFILTER
2430 avcodec_get_frame_defaults(&ost->pict_tmp);
2431 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2432 codec->width, codec->height)) {
2433 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2436 ost->img_resample_ctx = sws_getContext(
2443 ost->sws_flags, NULL, NULL, NULL);
2444 if (ost->img_resample_ctx == NULL) {
2445 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2449 codec->bits_per_raw_sample = 0;
2452 ost->resample_height = icodec->height;
2453 ost->resample_width = icodec->width;
2454 ost->resample_pix_fmt = icodec->pix_fmt;
2457 * We want CFR output if and only if one of those is true:
2458 * 1) user specified output framerate with -r
2459 * 2) user specified -vsync cfr
2460 * 3) output format is CFR and the user didn't force vsync to
2461 * something else than CFR
2463 * in such a case, set ost->frame_rate
2465 if (!ost->frame_rate.num &&
2466 (video_sync_method == VSYNC_CFR ||
2467 (video_sync_method == VSYNC_AUTO &&
2468 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2469 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2470 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2471 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2472 ost->frame_rate = ost->enc->supported_framerates[idx];
2475 if (ost->frame_rate.num) {
2476 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2477 video_sync_method = VSYNC_CFR;
2479 codec->time_base = ist->st->time_base;
2482 if (configure_video_filters(ist, ost)) {
2483 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2488 case AVMEDIA_TYPE_SUBTITLE:
2489 codec->time_base = (AVRational){1, 1000};
2496 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2497 char logfilename[1024];
2500 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2501 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2503 if (!strcmp(ost->enc->name, "libx264")) {
2504 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2506 if (codec->flags & CODEC_FLAG_PASS1) {
2507 f = fopen(logfilename, "wb");
2509 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2510 logfilename, strerror(errno));
2516 size_t logbuffer_size;
2517 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2518 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2522 codec->stats_in = logbuffer;
2529 /* open each encoder */
2530 for (i = 0; i < nb_output_streams; i++) {
2531 ost = &output_streams[i];
2532 if (ost->encoding_needed) {
2533 AVCodec *codec = ost->enc;
2534 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2536 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2537 ost->st->codec->codec_id, ost->file_index, ost->index);
2538 ret = AVERROR(EINVAL);
2541 if (dec->subtitle_header) {
2542 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2543 if (!ost->st->codec->subtitle_header) {
2544 ret = AVERROR(ENOMEM);
2547 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2548 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2550 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2551 av_dict_set(&ost->opts, "threads", "auto", 0);
2552 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2553 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2554 ost->file_index, ost->index);
2555 ret = AVERROR(EINVAL);
2558 assert_codec_experimental(ost->st->codec, 1);
2559 assert_avoptions(ost->opts);
2560 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2561 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2562 "It takes bits/s as argument, not kbits/s\n");
2563 extra_size += ost->st->codec->extradata_size;
2565 if (ost->st->codec->me_threshold)
2566 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2570 /* init input streams */
2571 for (i = 0; i < nb_input_streams; i++)
2572 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2575 /* discard unused programs */
2576 for (i = 0; i < nb_input_files; i++) {
2577 InputFile *ifile = &input_files[i];
2578 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2579 AVProgram *p = ifile->ctx->programs[j];
2580 int discard = AVDISCARD_ALL;
2582 for (k = 0; k < p->nb_stream_indexes; k++)
2583 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2584 discard = AVDISCARD_DEFAULT;
2587 p->discard = discard;
2591 /* open files and write file headers */
2592 for (i = 0; i < nb_output_files; i++) {
2593 oc = output_files[i].ctx;
2594 oc->interrupt_callback = int_cb;
2595 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2596 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2597 ret = AVERROR(EINVAL);
2600 assert_avoptions(output_files[i].opts);
2601 if (strcmp(oc->oformat->name, "rtp")) {
2607 /* dump the file output parameters - cannot be done before in case
2609 for (i = 0; i < nb_output_files; i++) {
2610 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2613 /* dump the stream mapping */
2614 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2615 for (i = 0; i < nb_output_streams; i++) {
2616 ost = &output_streams[i];
2618 if (ost->attachment_filename) {
2619 /* an attached file */
2620 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2621 ost->attachment_filename, ost->file_index, ost->index);
2624 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2625 input_streams[ost->source_index].file_index,
2626 input_streams[ost->source_index].st->index,
2629 if (ost->sync_ist != &input_streams[ost->source_index])
2630 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2631 ost->sync_ist->file_index,
2632 ost->sync_ist->st->index);
2633 if (ost->stream_copy)
2634 av_log(NULL, AV_LOG_INFO, " (copy)");
2636 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2637 input_streams[ost->source_index].dec->name : "?",
2638 ost->enc ? ost->enc->name : "?");
2639 av_log(NULL, AV_LOG_INFO, "\n");
2643 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2648 print_sdp(output_files, nb_output_files);
2655 * The following code is the main loop of the file converter
2657 static int transcode(OutputFile *output_files,
2658 int nb_output_files,
2659 InputFile *input_files,
2663 AVFormatContext *is, *os;
2667 int no_packet_count = 0;
2668 int64_t timer_start;
2670 if (!(no_packet = av_mallocz(nb_input_files)))
2673 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2677 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2680 timer_start = av_gettime();
2682 for (; received_sigterm == 0;) {
2683 int file_index, ist_index;
2688 ipts_min = INT64_MAX;
2691 /* select the stream that we must read now by looking at the
2692 smallest output pts */
2694 for (i = 0; i < nb_output_streams; i++) {
2698 ost = &output_streams[i];
2699 of = &output_files[ost->file_index];
2700 os = output_files[ost->file_index].ctx;
2701 ist = &input_streams[ost->source_index];
2702 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2703 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2705 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2706 ipts = ist->last_dts;
2707 if (!input_files[ist->file_index].eof_reached) {
2708 if (ipts < ipts_min) {
2711 file_index = ist->file_index;
2713 if (opts < opts_min) {
2715 if (!input_sync) file_index = ist->file_index;
2718 if (ost->frame_number >= ost->max_frames) {
2720 for (j = 0; j < of->ctx->nb_streams; j++)
2721 output_streams[of->ost_index + j].is_past_recording_time = 1;
2725 /* if none, if is finished */
2726 if (file_index < 0) {
2727 if (no_packet_count) {
2728 no_packet_count = 0;
2729 memset(no_packet, 0, nb_input_files);
2736 /* read a frame from it and output it in the fifo */
2737 is = input_files[file_index].ctx;
2738 ret = av_read_frame(is, &pkt);
2739 if (ret == AVERROR(EAGAIN)) {
2740 no_packet[file_index] = 1;
2745 input_files[file_index].eof_reached = 1;
2752 no_packet_count = 0;
2753 memset(no_packet, 0, nb_input_files);
2756 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2757 is->streams[pkt.stream_index]);
2759 /* the following test is needed in case new streams appear
2760 dynamically in stream : we ignore them */
2761 if (pkt.stream_index >= input_files[file_index].nb_streams)
2762 goto discard_packet;
2763 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2764 ist = &input_streams[ist_index];
2766 goto discard_packet;
2768 if (pkt.dts != AV_NOPTS_VALUE)
2769 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2770 if (pkt.pts != AV_NOPTS_VALUE)
2771 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2773 if (pkt.pts != AV_NOPTS_VALUE)
2774 pkt.pts *= ist->ts_scale;
2775 if (pkt.dts != AV_NOPTS_VALUE)
2776 pkt.dts *= ist->ts_scale;
2778 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2780 // pkt.dts, input_files[ist->file_index].ts_offset,
2781 // ist->st->codec->codec_type);
2782 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
2783 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2784 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2785 int64_t delta = pkt_dts - ist->next_dts;
2786 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2787 input_files[ist->file_index].ts_offset -= delta;
2788 av_log(NULL, AV_LOG_DEBUG,
2789 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2790 delta, input_files[ist->file_index].ts_offset);
2791 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2792 if (pkt.pts != AV_NOPTS_VALUE)
2793 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2797 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2798 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2800 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2801 ist->file_index, ist->st->index);
2804 av_free_packet(&pkt);
2809 av_free_packet(&pkt);
2811 /* dump report by using the output first video and audio streams */
2812 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2815 /* at the end of stream, we must flush the decoder buffers */
2816 for (i = 0; i < nb_input_streams; i++) {
2817 ist = &input_streams[i];
2818 if (ist->decoding_needed) {
2819 output_packet(ist, output_streams, nb_output_streams, NULL);
2822 flush_encoders(output_streams, nb_output_streams);
2826 /* write the trailer if needed and close file */
2827 for (i = 0; i < nb_output_files; i++) {
2828 os = output_files[i].ctx;
2829 av_write_trailer(os);
2832 /* dump report by using the first video and audio streams */
2833 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2835 /* close each encoder */
2836 for (i = 0; i < nb_output_streams; i++) {
2837 ost = &output_streams[i];
2838 if (ost->encoding_needed) {
2839 av_freep(&ost->st->codec->stats_in);
2840 avcodec_close(ost->st->codec);
2843 avfilter_graph_free(&ost->graph);
2847 /* close each decoder */
2848 for (i = 0; i < nb_input_streams; i++) {
2849 ist = &input_streams[i];
2850 if (ist->decoding_needed) {
2851 avcodec_close(ist->st->codec);
2859 av_freep(&no_packet);
2861 if (output_streams) {
2862 for (i = 0; i < nb_output_streams; i++) {
2863 ost = &output_streams[i];
2865 if (ost->stream_copy)
2866 av_freep(&ost->st->codec->extradata);
2868 fclose(ost->logfile);
2869 ost->logfile = NULL;
2871 av_fifo_free(ost->fifo); /* works even if fifo is not
2872 initialized but set to zero */
2873 av_freep(&ost->st->codec->subtitle_header);
2874 av_free(ost->pict_tmp.data[0]);
2875 av_free(ost->forced_kf_pts);
2876 if (ost->video_resample)
2877 sws_freeContext(ost->img_resample_ctx);
2879 audio_resample_close(ost->resample);
2880 if (ost->reformat_ctx)
2881 av_audio_convert_free(ost->reformat_ctx);
2882 av_dict_free(&ost->opts);
2889 static double parse_frame_aspect_ratio(const char *arg)
2896 p = strchr(arg, ':');
2898 x = strtol(arg, &end, 10);
2900 y = strtol(end + 1, &end, 10);
2902 ar = (double)x / (double)y;
2904 ar = strtod(arg, NULL);
2907 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2913 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2915 return parse_option(o, "codec:a", arg, options);
2918 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2920 return parse_option(o, "codec:v", arg, options);
2923 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2925 return parse_option(o, "codec:s", arg, options);
2928 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2930 return parse_option(o, "codec:d", arg, options);
2933 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2935 StreamMap *m = NULL;
2936 int i, negative = 0, file_idx;
2937 int sync_file_idx = -1, sync_stream_idx;
2945 map = av_strdup(arg);
2947 /* parse sync stream first, just pick first matching stream */
2948 if (sync = strchr(map, ',')) {
2950 sync_file_idx = strtol(sync + 1, &sync, 0);
2951 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2952 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2957 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2958 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2959 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2960 sync_stream_idx = i;
2963 if (i == input_files[sync_file_idx].nb_streams) {
2964 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2965 "match any streams.\n", arg);
2971 file_idx = strtol(map, &p, 0);
2972 if (file_idx >= nb_input_files || file_idx < 0) {
2973 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2977 /* disable some already defined maps */
2978 for (i = 0; i < o->nb_stream_maps; i++) {
2979 m = &o->stream_maps[i];
2980 if (file_idx == m->file_index &&
2981 check_stream_specifier(input_files[m->file_index].ctx,
2982 input_files[m->file_index].ctx->streams[m->stream_index],
2983 *p == ':' ? p + 1 : p) > 0)
2987 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2988 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2989 *p == ':' ? p + 1 : p) <= 0)
2991 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2992 &o->nb_stream_maps, o->nb_stream_maps + 1);
2993 m = &o->stream_maps[o->nb_stream_maps - 1];
2995 m->file_index = file_idx;
2996 m->stream_index = i;
2998 if (sync_file_idx >= 0) {
2999 m->sync_file_index = sync_file_idx;
3000 m->sync_stream_index = sync_stream_idx;
3002 m->sync_file_index = file_idx;
3003 m->sync_stream_index = i;
3008 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3016 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3018 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3019 &o->nb_attachments, o->nb_attachments + 1);
3020 o->attachments[o->nb_attachments - 1] = arg;
3025 * Parse a metadata specifier in arg.
3026 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3027 * @param index for type c/p, chapter/program index is written here
3028 * @param stream_spec for type s, the stream specifier is written here
3030 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3038 if (*(++arg) && *arg != ':') {
3039 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3042 *stream_spec = *arg == ':' ? arg + 1 : "";
3046 if (*(++arg) == ':')
3047 *index = strtol(++arg, NULL, 0);
3050 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3057 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3059 AVDictionary **meta_in = NULL;
3060 AVDictionary **meta_out;
3062 char type_in, type_out;
3063 const char *istream_spec = NULL, *ostream_spec = NULL;
3064 int idx_in = 0, idx_out = 0;
3066 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3067 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3069 if (type_in == 'g' || type_out == 'g')
3070 o->metadata_global_manual = 1;
3071 if (type_in == 's' || type_out == 's')
3072 o->metadata_streams_manual = 1;
3073 if (type_in == 'c' || type_out == 'c')
3074 o->metadata_chapters_manual = 1;
3076 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3077 if ((index) < 0 || (index) >= (nb_elems)) {\
3078 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3083 #define SET_DICT(type, meta, context, index)\
3086 meta = &context->metadata;\
3089 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3090 meta = &context->chapters[index]->metadata;\
3093 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3094 meta = &context->programs[index]->metadata;\
3098 SET_DICT(type_in, meta_in, ic, idx_in);
3099 SET_DICT(type_out, meta_out, oc, idx_out);
3101 /* for input streams choose first matching stream */
3102 if (type_in == 's') {
3103 for (i = 0; i < ic->nb_streams; i++) {
3104 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3105 meta_in = &ic->streams[i]->metadata;
3111 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3116 if (type_out == 's') {
3117 for (i = 0; i < oc->nb_streams; i++) {
3118 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3119 meta_out = &oc->streams[i]->metadata;
3120 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3125 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3130 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3132 const char *codec_string = encoder ? "encoder" : "decoder";
3136 avcodec_find_encoder_by_name(name) :
3137 avcodec_find_decoder_by_name(name);
3139 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3142 if (codec->type != type) {
3143 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3149 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3151 char *codec_name = NULL;
3153 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3155 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3156 st->codec->codec_id = codec->id;
3159 return avcodec_find_decoder(st->codec->codec_id);
3163 * Add all the streams from the given input file to the global
3164 * list of input streams.
3166 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3170 for (i = 0; i < ic->nb_streams; i++) {
3171 AVStream *st = ic->streams[i];
3172 AVCodecContext *dec = st->codec;
3175 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3176 ist = &input_streams[nb_input_streams - 1];
3178 ist->file_index = nb_input_files;
3180 st->discard = AVDISCARD_ALL;
3181 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3183 ist->ts_scale = 1.0;
3184 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3186 ist->dec = choose_decoder(o, ic, st);
3188 switch (dec->codec_type) {
3189 case AVMEDIA_TYPE_VIDEO:
3191 dec->flags |= CODEC_FLAG_EMU_EDGE;
3192 dec->height >>= dec->lowres;
3193 dec->width >>= dec->lowres;
3197 case AVMEDIA_TYPE_AUDIO:
3198 case AVMEDIA_TYPE_DATA:
3199 case AVMEDIA_TYPE_SUBTITLE:
3200 case AVMEDIA_TYPE_ATTACHMENT:
3201 case AVMEDIA_TYPE_UNKNOWN:
3209 static void assert_file_overwrite(const char *filename)
3211 if (!file_overwrite &&
3212 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3213 av_strstart(filename, "file:", NULL))) {
3214 if (avio_check(filename, 0) == 0) {
3216 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3218 if (!read_yesno()) {
3219 fprintf(stderr, "Not overwriting - exiting\n");
3224 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3231 static void dump_attachment(AVStream *st, const char *filename)
3234 AVIOContext *out = NULL;
3235 AVDictionaryEntry *e;
3237 if (!st->codec->extradata_size) {
3238 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3239 nb_input_files - 1, st->index);
3242 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3243 filename = e->value;
3245 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3246 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3250 assert_file_overwrite(filename);
3252 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3253 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3258 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3263 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3265 AVFormatContext *ic;
3266 AVInputFormat *file_iformat = NULL;
3270 AVDictionary **opts;
3271 int orig_nb_streams; // number of streams before avformat_find_stream_info
3274 if (!(file_iformat = av_find_input_format(o->format))) {
3275 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3280 if (!strcmp(filename, "-"))
3283 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3284 !strcmp(filename, "/dev/stdin");
3286 /* get default parameters from command line */
3287 ic = avformat_alloc_context();
3289 print_error(filename, AVERROR(ENOMEM));
3292 if (o->nb_audio_sample_rate) {
3293 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3294 av_dict_set(&format_opts, "sample_rate", buf, 0);
3296 if (o->nb_audio_channels) {
3297 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3298 av_dict_set(&format_opts, "channels", buf, 0);
3300 if (o->nb_frame_rates) {
3301 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3303 if (o->nb_frame_sizes) {
3304 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3306 if (o->nb_frame_pix_fmts)
3307 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3309 ic->flags |= AVFMT_FLAG_NONBLOCK;
3310 ic->interrupt_callback = int_cb;
3312 /* open the input file with generic libav function */
3313 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3315 print_error(filename, err);
3318 assert_avoptions(format_opts);
3320 /* apply forced codec ids */
3321 for (i = 0; i < ic->nb_streams; i++)
3322 choose_decoder(o, ic, ic->streams[i]);
3324 /* Set AVCodecContext options for avformat_find_stream_info */
3325 opts = setup_find_stream_info_opts(ic, codec_opts);
3326 orig_nb_streams = ic->nb_streams;
3328 /* If not enough info to get the stream parameters, we decode the
3329 first frames to get it. (used in mpeg case for example) */
3330 ret = avformat_find_stream_info(ic, opts);
3332 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3333 avformat_close_input(&ic);
3337 timestamp = o->start_time;
3338 /* add the stream start time */
3339 if (ic->start_time != AV_NOPTS_VALUE)
3340 timestamp += ic->start_time;
3342 /* if seeking requested, we execute it */
3343 if (o->start_time != 0) {
3344 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3346 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3347 filename, (double)timestamp / AV_TIME_BASE);
3351 /* update the current parameters so that they match the one of the input stream */
3352 add_input_streams(o, ic);
3354 /* dump the file content */
3355 av_dump_format(ic, nb_input_files, filename, 0);
3357 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3358 input_files[nb_input_files - 1].ctx = ic;
3359 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3360 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3361 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3362 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3364 for (i = 0; i < o->nb_dump_attachment; i++) {
3367 for (j = 0; j < ic->nb_streams; j++) {
3368 AVStream *st = ic->streams[j];
3370 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3371 dump_attachment(st, o->dump_attachment[i].u.str);
3375 for (i = 0; i < orig_nb_streams; i++)
3376 av_dict_free(&opts[i]);
3383 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3384 AVCodecContext *avctx)
3390 for (p = kf; *p; p++)
3393 ost->forced_kf_count = n;
3394 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3395 if (!ost->forced_kf_pts) {
3396 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3399 for (i = 0; i < n; i++) {
3400 p = i ? strchr(p, ',') + 1 : kf;
3401 t = parse_time_or_die("force_key_frames", p, 1);
3402 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3406 static uint8_t *get_line(AVIOContext *s)
3412 if (avio_open_dyn_buf(&line) < 0) {
3413 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3417 while ((c = avio_r8(s)) && c != '\n')
3420 avio_close_dyn_buf(line, &buf);
3425 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3428 char filename[1000];
3429 const char *base[3] = { getenv("AVCONV_DATADIR"),
3434 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3438 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3439 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3440 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3443 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3444 i != 1 ? "" : "/.avconv", preset_name);
3445 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3451 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3453 char *codec_name = NULL;
3455 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3457 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3458 NULL, ost->st->codec->codec_type);
3459 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3460 } else if (!strcmp(codec_name, "copy"))
3461 ost->stream_copy = 1;
3463 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3464 ost->st->codec->codec_id = ost->enc->id;
3468 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3471 AVStream *st = avformat_new_stream(oc, NULL);
3472 int idx = oc->nb_streams - 1, ret = 0;
3473 char *bsf = NULL, *next, *codec_tag = NULL;
3474 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3476 char *buf = NULL, *arg = NULL, *preset = NULL;
3477 AVIOContext *s = NULL;
3480 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3484 if (oc->nb_streams - 1 < o->nb_streamid_map)
3485 st->id = o->streamid_map[oc->nb_streams - 1];
3487 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3488 nb_output_streams + 1);
3489 ost = &output_streams[nb_output_streams - 1];
3490 ost->file_index = nb_output_files;
3493 st->codec->codec_type = type;
3494 choose_encoder(o, oc, ost);
3496 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3499 avcodec_get_context_defaults3(st->codec, ost->enc);
3500 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3502 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3503 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3506 if (!buf[0] || buf[0] == '#') {
3510 if (!(arg = strchr(buf, '='))) {
3511 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3515 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3517 } while (!s->eof_reached);
3521 av_log(NULL, AV_LOG_FATAL,
3522 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3523 preset, ost->file_index, ost->index);
3527 ost->max_frames = INT64_MAX;
3528 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3530 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3532 if (next = strchr(bsf, ','))
3534 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3535 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3539 bsfc_prev->next = bsfc;
3541 ost->bitstream_filters = bsfc;
3547 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3549 uint32_t tag = strtol(codec_tag, &next, 0);
3551 tag = AV_RL32(codec_tag);
3552 st->codec->codec_tag = tag;
3555 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3556 if (qscale >= 0 || same_quant) {
3557 st->codec->flags |= CODEC_FLAG_QSCALE;
3558 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3561 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3562 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3564 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3568 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3571 const char *p = str;
3578 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3585 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3589 AVCodecContext *video_enc;
3591 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3593 video_enc = st->codec;
3595 if (!ost->stream_copy) {
3596 const char *p = NULL;
3597 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3598 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3599 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3602 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3603 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3604 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3608 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3609 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3610 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3614 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3615 if (frame_aspect_ratio)
3616 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3618 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3619 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3620 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3623 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3625 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3627 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3628 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3631 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3633 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3635 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3636 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3639 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3642 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3643 for (i = 0; p; i++) {
3645 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3647 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3650 video_enc->rc_override =
3651 av_realloc(video_enc->rc_override,
3652 sizeof(RcOverride) * (i + 1));
3653 video_enc->rc_override[i].start_frame = start;
3654 video_enc->rc_override[i].end_frame = end;
3656 video_enc->rc_override[i].qscale = q;
3657 video_enc->rc_override[i].quality_factor = 1.0;
3660 video_enc->rc_override[i].qscale = 0;
3661 video_enc->rc_override[i].quality_factor = -q/100.0;
3666 video_enc->rc_override_count = i;
3667 if (!video_enc->rc_initial_buffer_occupancy)
3668 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3669 video_enc->intra_dc_precision = intra_dc_precision - 8;
3674 video_enc->flags |= CODEC_FLAG_PASS1;
3676 video_enc->flags |= CODEC_FLAG_PASS2;
3680 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3681 if (forced_key_frames)
3682 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3684 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3686 ost->top_field_first = -1;
3687 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3690 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3692 ost->avfilter = av_strdup(filters);
3695 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3701 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3705 AVCodecContext *audio_enc;
3707 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3710 audio_enc = st->codec;
3711 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3713 if (!ost->stream_copy) {
3714 char *sample_fmt = NULL;
3716 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3718 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3720 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3721 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3725 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3731 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3735 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3736 if (!ost->stream_copy) {
3737 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3744 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3746 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3747 ost->stream_copy = 1;
3751 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3755 AVCodecContext *subtitle_enc;
3757 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3759 subtitle_enc = st->codec;
3761 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3766 /* arg format is "output-stream-index:streamid-value". */
3767 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3773 av_strlcpy(idx_str, arg, sizeof(idx_str));
3774 p = strchr(idx_str, ':');
3776 av_log(NULL, AV_LOG_FATAL,
3777 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3782 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3783 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3784 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3788 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3790 AVFormatContext *is = ifile->ctx;
3791 AVFormatContext *os = ofile->ctx;
3794 for (i = 0; i < is->nb_chapters; i++) {
3795 AVChapter *in_ch = is->chapters[i], *out_ch;
3796 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3797 AV_TIME_BASE_Q, in_ch->time_base);
3798 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3799 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3802 if (in_ch->end < ts_off)
3804 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3807 out_ch = av_mallocz(sizeof(AVChapter));
3809 return AVERROR(ENOMEM);
3811 out_ch->id = in_ch->id;
3812 out_ch->time_base = in_ch->time_base;
3813 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3814 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3817 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3820 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
3822 return AVERROR(ENOMEM);
3823 os->chapters[os->nb_chapters - 1] = out_ch;
3828 static void opt_output_file(void *optctx, const char *filename)
3830 OptionsContext *o = optctx;
3831 AVFormatContext *oc;
3833 AVOutputFormat *file_oformat;
3837 if (!strcmp(filename, "-"))
3840 oc = avformat_alloc_context();
3842 print_error(filename, AVERROR(ENOMEM));
3847 file_oformat = av_guess_format(o->format, NULL, NULL);
3848 if (!file_oformat) {
3849 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
3853 file_oformat = av_guess_format(NULL, filename, NULL);
3854 if (!file_oformat) {
3855 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3861 oc->oformat = file_oformat;
3862 oc->interrupt_callback = int_cb;
3863 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3865 if (!o->nb_stream_maps) {
3866 /* pick the "best" stream of each type */
3867 #define NEW_STREAM(type, index)\
3869 ost = new_ ## type ## _stream(o, oc);\
3870 ost->source_index = index;\
3871 ost->sync_ist = &input_streams[index];\
3872 input_streams[index].discard = 0;\
3873 input_streams[index].st->discard = AVDISCARD_NONE;\
3876 /* video: highest resolution */
3877 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3878 int area = 0, idx = -1;
3879 for (i = 0; i < nb_input_streams; i++) {
3880 ist = &input_streams[i];
3881 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3882 ist->st->codec->width * ist->st->codec->height > area) {
3883 area = ist->st->codec->width * ist->st->codec->height;
3887 NEW_STREAM(video, idx);
3890 /* audio: most channels */
3891 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3892 int channels = 0, idx = -1;
3893 for (i = 0; i < nb_input_streams; i++) {
3894 ist = &input_streams[i];
3895 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3896 ist->st->codec->channels > channels) {
3897 channels = ist->st->codec->channels;
3901 NEW_STREAM(audio, idx);
3904 /* subtitles: pick first */
3905 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3906 for (i = 0; i < nb_input_streams; i++)
3907 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3908 NEW_STREAM(subtitle, i);
3912 /* do something with data? */
3914 for (i = 0; i < o->nb_stream_maps; i++) {
3915 StreamMap *map = &o->stream_maps[i];
3920 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3921 switch (ist->st->codec->codec_type) {
3922 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3923 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3924 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3925 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3926 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3928 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3929 map->file_index, map->stream_index);
3933 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3934 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3935 map->sync_stream_index];
3937 ist->st->discard = AVDISCARD_NONE;
3941 /* handle attached files */
3942 for (i = 0; i < o->nb_attachments; i++) {
3944 uint8_t *attachment;
3948 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3949 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3953 if ((len = avio_size(pb)) <= 0) {
3954 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3958 if (!(attachment = av_malloc(len))) {
3959 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3963 avio_read(pb, attachment, len);
3965 ost = new_attachment_stream(o, oc);
3966 ost->stream_copy = 0;
3967 ost->source_index = -1;
3968 ost->attachment_filename = o->attachments[i];
3969 ost->st->codec->extradata = attachment;
3970 ost->st->codec->extradata_size = len;
3972 p = strrchr(o->attachments[i], '/');
3973 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3977 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3978 output_files[nb_output_files - 1].ctx = oc;
3979 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3980 output_files[nb_output_files - 1].recording_time = o->recording_time;
3981 if (o->recording_time != INT64_MAX)
3982 oc->duration = o->recording_time;
3983 output_files[nb_output_files - 1].start_time = o->start_time;
3984 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3985 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3987 /* check filename in case of an image number is expected */
3988 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3989 if (!av_filename_number_test(oc->filename)) {
3990 print_error(oc->filename, AVERROR(EINVAL));
3995 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3996 /* test if it already exists to avoid losing precious files */
3997 assert_file_overwrite(filename);
4000 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4001 &oc->interrupt_callback,
4002 &output_files[nb_output_files - 1].opts)) < 0) {
4003 print_error(filename, err);
4008 if (o->mux_preload) {
4010 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4011 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4013 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4014 oc->flags |= AVFMT_FLAG_NONBLOCK;
4017 for (i = 0; i < o->nb_metadata_map; i++) {
4019 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4021 if (in_file_index < 0)
4023 if (in_file_index >= nb_input_files) {
4024 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4027 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4031 if (o->chapters_input_file >= nb_input_files) {
4032 if (o->chapters_input_file == INT_MAX) {
4033 /* copy chapters from the first input file that has them*/
4034 o->chapters_input_file = -1;
4035 for (i = 0; i < nb_input_files; i++)
4036 if (input_files[i].ctx->nb_chapters) {
4037 o->chapters_input_file = i;
4041 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4042 o->chapters_input_file);
4046 if (o->chapters_input_file >= 0)
4047 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4048 !o->metadata_chapters_manual);
4050 /* copy global metadata by default */
4051 if (!o->metadata_global_manual && nb_input_files)
4052 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4053 AV_DICT_DONT_OVERWRITE);
4054 if (!o->metadata_streams_manual)
4055 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4057 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4059 ist = &input_streams[output_streams[i].source_index];
4060 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4063 /* process manually set metadata */
4064 for (i = 0; i < o->nb_metadata; i++) {
4067 const char *stream_spec;
4068 int index = 0, j, ret;
4070 val = strchr(o->metadata[i].u.str, '=');
4072 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4073 o->metadata[i].u.str);
4078 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4080 for (j = 0; j < oc->nb_streams; j++) {
4081 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4082 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4086 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4094 if (index < 0 || index >= oc->nb_chapters) {
4095 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4098 m = &oc->chapters[index]->metadata;
4101 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4104 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4111 /* same option as mencoder */
4112 static int opt_pass(const char *opt, const char *arg)
4114 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4118 static int64_t getutime(void)
4121 struct rusage rusage;
4123 getrusage(RUSAGE_SELF, &rusage);
4124 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4125 #elif HAVE_GETPROCESSTIMES
4127 FILETIME c, e, k, u;
4128 proc = GetCurrentProcess();
4129 GetProcessTimes(proc, &c, &e, &k, &u);
4130 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4132 return av_gettime();
4136 static int64_t getmaxrss(void)
4138 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4139 struct rusage rusage;
4140 getrusage(RUSAGE_SELF, &rusage);
4141 return (int64_t)rusage.ru_maxrss * 1024;
4142 #elif HAVE_GETPROCESSMEMORYINFO
4144 PROCESS_MEMORY_COUNTERS memcounters;
4145 proc = GetCurrentProcess();
4146 memcounters.cb = sizeof(memcounters);
4147 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4148 return memcounters.PeakPagefileUsage;
4154 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4156 return parse_option(o, "q:a", arg, options);
4159 static void show_usage(void)
4161 printf("Hyper fast Audio and Video encoder\n");
4162 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4166 static void show_help(void)
4168 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4169 av_log_set_callback(log_callback_help);
4171 show_help_options(options, "Main options:\n",
4172 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4173 show_help_options(options, "\nAdvanced options:\n",
4174 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4176 show_help_options(options, "\nVideo options:\n",
4177 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4179 show_help_options(options, "\nAdvanced Video options:\n",
4180 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4181 OPT_VIDEO | OPT_EXPERT);
4182 show_help_options(options, "\nAudio options:\n",
4183 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4185 show_help_options(options, "\nAdvanced Audio options:\n",
4186 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4187 OPT_AUDIO | OPT_EXPERT);
4188 show_help_options(options, "\nSubtitle options:\n",
4189 OPT_SUBTITLE | OPT_GRAB,
4191 show_help_options(options, "\nAudio/Video grab options:\n",
4195 show_help_children(avcodec_get_class(), flags);
4196 show_help_children(avformat_get_class(), flags);
4197 show_help_children(sws_get_class(), flags);
4200 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4202 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4203 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4205 if (!strncmp(arg, "pal-", 4)) {
4208 } else if (!strncmp(arg, "ntsc-", 5)) {
4211 } else if (!strncmp(arg, "film-", 5)) {
4215 /* Try to determine PAL/NTSC by peeking in the input files */
4216 if (nb_input_files) {
4218 for (j = 0; j < nb_input_files; j++) {
4219 for (i = 0; i < input_files[j].nb_streams; i++) {
4220 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4221 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4223 fr = c->time_base.den * 1000 / c->time_base.num;
4227 } else if ((fr == 29970) || (fr == 23976)) {
4232 if (norm != UNKNOWN)
4236 if (norm != UNKNOWN)
4237 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4240 if (norm == UNKNOWN) {
4241 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4242 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4243 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4247 if (!strcmp(arg, "vcd")) {
4248 opt_video_codec(o, "c:v", "mpeg1video");
4249 opt_audio_codec(o, "c:a", "mp2");
4250 parse_option(o, "f", "vcd", options);
4252 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4253 parse_option(o, "r", frame_rates[norm], options);
4254 opt_default("g", norm == PAL ? "15" : "18");
4256 opt_default("b", "1150000");
4257 opt_default("maxrate", "1150000");
4258 opt_default("minrate", "1150000");
4259 opt_default("bufsize", "327680"); // 40*1024*8;
4261 opt_default("b:a", "224000");
4262 parse_option(o, "ar", "44100", options);
4263 parse_option(o, "ac", "2", options);
4265 opt_default("packetsize", "2324");
4266 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4268 /* We have to offset the PTS, so that it is consistent with the SCR.
4269 SCR starts at 36000, but the first two packs contain only padding
4270 and the first pack from the other stream, respectively, may also have
4271 been written before.
4272 So the real data starts at SCR 36000+3*1200. */
4273 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4274 } else if (!strcmp(arg, "svcd")) {
4276 opt_video_codec(o, "c:v", "mpeg2video");
4277 opt_audio_codec(o, "c:a", "mp2");
4278 parse_option(o, "f", "svcd", options);
4280 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4281 parse_option(o, "r", frame_rates[norm], options);
4282 opt_default("g", norm == PAL ? "15" : "18");
4284 opt_default("b", "2040000");
4285 opt_default("maxrate", "2516000");
4286 opt_default("minrate", "0"); // 1145000;
4287 opt_default("bufsize", "1835008"); // 224*1024*8;
4288 opt_default("flags", "+scan_offset");
4291 opt_default("b:a", "224000");
4292 parse_option(o, "ar", "44100", options);
4294 opt_default("packetsize", "2324");
4296 } else if (!strcmp(arg, "dvd")) {
4298 opt_video_codec(o, "c:v", "mpeg2video");
4299 opt_audio_codec(o, "c:a", "ac3");
4300 parse_option(o, "f", "dvd", options);
4302 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4303 parse_option(o, "r", frame_rates[norm], options);
4304 opt_default("g", norm == PAL ? "15" : "18");
4306 opt_default("b", "6000000");
4307 opt_default("maxrate", "9000000");
4308 opt_default("minrate", "0"); // 1500000;
4309 opt_default("bufsize", "1835008"); // 224*1024*8;
4311 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4312 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4314 opt_default("b:a", "448000");
4315 parse_option(o, "ar", "48000", options);
4317 } else if (!strncmp(arg, "dv", 2)) {
4319 parse_option(o, "f", "dv", options);
4321 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4322 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4323 norm == PAL ? "yuv420p" : "yuv411p", options);
4324 parse_option(o, "r", frame_rates[norm], options);
4326 parse_option(o, "ar", "48000", options);
4327 parse_option(o, "ac", "2", options);
4330 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4331 return AVERROR(EINVAL);
4336 static int opt_vstats_file(const char *opt, const char *arg)
4338 av_free (vstats_filename);
4339 vstats_filename = av_strdup (arg);
4343 static int opt_vstats(const char *opt, const char *arg)
4346 time_t today2 = time(NULL);
4347 struct tm *today = localtime(&today2);
4349 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4351 return opt_vstats_file(opt, filename);
4354 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4356 return parse_option(o, "frames:v", arg, options);
4359 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4361 return parse_option(o, "frames:a", arg, options);
4364 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4366 return parse_option(o, "frames:d", arg, options);
4369 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4371 return parse_option(o, "tag:v", arg, options);
4374 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4376 return parse_option(o, "tag:a", arg, options);
4379 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4381 return parse_option(o, "tag:s", arg, options);
4384 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4386 return parse_option(o, "filter:v", arg, options);
4389 static int opt_vsync(const char *opt, const char *arg)
4391 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4392 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4393 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4395 if (video_sync_method == VSYNC_AUTO)
4396 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4400 static int opt_deinterlace(const char *opt, const char *arg)
4402 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4407 static int opt_cpuflags(const char *opt, const char *arg)
4409 #define CPUFLAG_MMX2 (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMX2)
4410 #define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX)
4411 #define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW)
4412 #define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMX2)
4413 #define CPUFLAG_SSE2 (AV_CPU_FLAG_SSE2 | CPUFLAG_SSE)
4414 #define CPUFLAG_SSE2SLOW (AV_CPU_FLAG_SSE2SLOW | CPUFLAG_SSE2)
4415 #define CPUFLAG_SSE3 (AV_CPU_FLAG_SSE3 | CPUFLAG_SSE2)
4416 #define CPUFLAG_SSE3SLOW (AV_CPU_FLAG_SSE3SLOW | CPUFLAG_SSE3)
4417 #define CPUFLAG_SSSE3 (AV_CPU_FLAG_SSSE3 | CPUFLAG_SSE3)
4418 #define CPUFLAG_SSE4 (AV_CPU_FLAG_SSE4 | CPUFLAG_SSSE3)
4419 #define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4)
4420 #define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42)
4421 #define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX)
4422 #define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX)
4423 static const AVOption cpuflags_opts[] = {
4424 { "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
4425 { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ALTIVEC }, .unit = "flags" },
4426 { "mmx" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_MMX }, .unit = "flags" },
4427 { "mmx2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_MMX2 }, .unit = "flags" },
4428 { "sse" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE }, .unit = "flags" },
4429 { "sse2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2 }, .unit = "flags" },
4430 { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2SLOW }, .unit = "flags" },
4431 { "sse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3 }, .unit = "flags" },
4432 { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3SLOW }, .unit = "flags" },
4433 { "ssse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSSE3 }, .unit = "flags" },
4434 { "atom" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ATOM }, .unit = "flags" },
4435 { "sse4.1" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE4 }, .unit = "flags" },
4436 { "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE42 }, .unit = "flags" },
4437 { "avx" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_AVX }, .unit = "flags" },
4438 { "xop" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_XOP }, .unit = "flags" },
4439 { "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_FMA4 }, .unit = "flags" },
4440 { "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOW }, .unit = "flags" },
4441 { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOWEXT }, .unit = "flags" },
4444 static const AVClass class = {
4445 .class_name = "cpuflags",
4446 .item_name = av_default_item_name,
4447 .option = cpuflags_opts,
4448 .version = LIBAVUTIL_VERSION_INT,
4452 const AVClass *pclass = &class;
4454 if ((ret = av_opt_eval_flags(&pclass, &cpuflags_opts[0], arg, &flags)) < 0)
4457 av_set_cpu_flags_mask(flags);
4461 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
4463 int idx = locate_option(argc, argv, options, "cpuflags");
4464 if (idx && argv[idx + 1])
4465 opt_cpuflags("cpuflags", argv[idx + 1]);
4468 #define OFFSET(x) offsetof(OptionsContext, x)
4469 static const OptionDef options[] = {
4471 #include "cmdutils_common_opts.h"
4472 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4473 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4474 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4475 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4476 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4477 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4478 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4479 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4480 "outfile[,metadata]:infile[,metadata]" },
4481 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4482 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4483 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4484 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4485 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4486 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4487 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4488 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4489 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4490 "add timings for benchmarking" },
4491 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4492 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4493 "dump each input packet" },
4494 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4495 "when dumping packets, also dump the payload" },
4496 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4497 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4498 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4499 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4500 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4501 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4502 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4503 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4504 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4505 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4506 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4507 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4508 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4509 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4510 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4512 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4514 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4515 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4516 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4517 { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" },
4520 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4521 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4522 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4523 { "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" },
4524 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4525 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4526 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4527 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4528 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4529 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4530 "use same quantizer as source (implies VBR)" },
4531 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4532 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4533 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
4534 "this option is deprecated, use the yadif filter instead" },
4535 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4536 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4538 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4540 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4541 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4542 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4543 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4544 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4545 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4546 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4547 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4548 { "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" },
4551 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4552 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4553 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4554 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4555 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4556 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4557 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4558 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4559 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4561 /* subtitle options */
4562 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4563 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4564 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4567 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4570 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4571 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4573 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4575 /* data codec support */
4576 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4578 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4582 int main(int argc, char **argv)
4584 OptionsContext o = { 0 };
4589 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4590 parse_loglevel(argc, argv, options);
4592 avcodec_register_all();
4594 avdevice_register_all();
4597 avfilter_register_all();
4600 avformat_network_init();
4604 parse_cpuflags(argc, argv, options);
4607 parse_options(&o, argc, argv, options, opt_output_file);
4609 if (nb_output_files <= 0 && nb_input_files == 0) {
4611 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4615 /* file converter / grab */
4616 if (nb_output_files <= 0) {
4617 fprintf(stderr, "At least one output file must be specified\n");
4621 if (nb_input_files == 0) {
4622 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4627 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4629 ti = getutime() - ti;
4631 int maxrss = getmaxrss() / 1024;
4632 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);