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,
2031 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2032 if (!ost->frame_aspect_ratio)
2033 ost->st->codec->sample_aspect_ratio = ost->picref->video->pixel_aspect;
2035 filtered_frame = decoded_frame;
2038 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame, &frame_size,
2039 same_quant ? quality : ost->st->codec->global_quality);
2040 if (vstats_filename && frame_size)
2041 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
2043 frame_available = ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
2044 avfilter_unref_buffer(ost->picref);
2050 av_free(buffer_to_free);
2054 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2056 AVSubtitle subtitle;
2057 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2058 &subtitle, got_output, pkt);
2064 rate_emu_sleep(ist);
2066 for (i = 0; i < nb_output_streams; i++) {
2067 OutputStream *ost = &output_streams[i];
2069 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2072 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2075 avsubtitle_free(&subtitle);
2079 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2080 static int output_packet(InputStream *ist,
2081 OutputStream *ost_table, int nb_ostreams,
2082 const AVPacket *pkt)
2086 int64_t pkt_pts = AV_NOPTS_VALUE;
2089 if (ist->next_dts == AV_NOPTS_VALUE)
2090 ist->next_dts = ist->last_dts;
2094 av_init_packet(&avpkt);
2102 if (pkt->dts != AV_NOPTS_VALUE)
2103 ist->next_dts = ist->last_dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2104 if (pkt->pts != AV_NOPTS_VALUE)
2105 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2107 // while we have more to decode or while the decoder did output something on EOF
2108 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2112 ist->last_dts = ist->next_dts;
2114 if (avpkt.size && avpkt.size != pkt->size) {
2115 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2116 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2117 ist->showed_multi_packet_warning = 1;
2120 switch (ist->st->codec->codec_type) {
2121 case AVMEDIA_TYPE_AUDIO:
2122 ret = transcode_audio (ist, &avpkt, &got_output);
2124 case AVMEDIA_TYPE_VIDEO:
2125 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2127 ist->next_dts += av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2128 else if (ist->st->r_frame_rate.num)
2129 ist->next_dts += av_rescale_q(1, (AVRational){ist->st->r_frame_rate.den,
2130 ist->st->r_frame_rate.num},
2132 else if (ist->st->codec->time_base.num != 0) {
2133 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 :
2134 ist->st->codec->ticks_per_frame;
2135 ist->next_dts += av_rescale_q(ticks, ist->st->codec->time_base, AV_TIME_BASE_Q);
2138 case AVMEDIA_TYPE_SUBTITLE:
2139 ret = transcode_subtitles(ist, &avpkt, &got_output);
2147 // touch data and size only if not EOF
2157 /* handle stream copy */
2158 if (!ist->decoding_needed) {
2159 rate_emu_sleep(ist);
2160 ist->last_dts = ist->next_dts;
2161 switch (ist->st->codec->codec_type) {
2162 case AVMEDIA_TYPE_AUDIO:
2163 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2164 ist->st->codec->sample_rate;
2166 case AVMEDIA_TYPE_VIDEO:
2167 if (ist->st->codec->time_base.num != 0) {
2168 int ticks = ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2169 ist->next_dts += ((int64_t)AV_TIME_BASE *
2170 ist->st->codec->time_base.num * ticks) /
2171 ist->st->codec->time_base.den;
2176 for (i = 0; pkt && i < nb_ostreams; i++) {
2177 OutputStream *ost = &ost_table[i];
2179 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2182 do_streamcopy(ist, ost, pkt);
2188 static void print_sdp(OutputFile *output_files, int n)
2192 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2196 for (i = 0; i < n; i++)
2197 avc[i] = output_files[i].ctx;
2199 av_sdp_create(avc, n, sdp, sizeof(sdp));
2200 printf("SDP:\n%s\n", sdp);
2205 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2206 char *error, int error_len)
2209 InputStream *ist = &input_streams[ist_index];
2210 if (ist->decoding_needed) {
2211 AVCodec *codec = ist->dec;
2213 snprintf(error, error_len, "Decoder (codec id %d) not found for input stream #%d:%d",
2214 ist->st->codec->codec_id, ist->file_index, ist->st->index);
2215 return AVERROR(EINVAL);
2218 /* update requested sample format for the decoder based on the
2219 corresponding encoder sample format */
2220 for (i = 0; i < nb_output_streams; i++) {
2221 OutputStream *ost = &output_streams[i];
2222 if (ost->source_index == ist_index) {
2223 update_sample_fmt(ist->st->codec, codec, ost->st->codec);
2228 if (codec->type == AVMEDIA_TYPE_VIDEO && codec->capabilities & CODEC_CAP_DR1) {
2229 ist->st->codec->get_buffer = codec_get_buffer;
2230 ist->st->codec->release_buffer = codec_release_buffer;
2231 ist->st->codec->opaque = ist;
2234 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2235 av_dict_set(&ist->opts, "threads", "auto", 0);
2236 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2237 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2238 ist->file_index, ist->st->index);
2239 return AVERROR(EINVAL);
2241 assert_codec_experimental(ist->st->codec, 0);
2242 assert_avoptions(ist->opts);
2245 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;
2246 ist->next_dts = AV_NOPTS_VALUE;
2247 init_pts_correction(&ist->pts_ctx);
2253 static int transcode_init(OutputFile *output_files,
2254 int nb_output_files,
2255 InputFile *input_files,
2258 int ret = 0, i, j, k;
2259 AVFormatContext *oc;
2260 AVCodecContext *codec, *icodec;
2266 /* init framerate emulation */
2267 for (i = 0; i < nb_input_files; i++) {
2268 InputFile *ifile = &input_files[i];
2269 if (ifile->rate_emu)
2270 for (j = 0; j < ifile->nb_streams; j++)
2271 input_streams[j + ifile->ist_index].start = av_gettime();
2274 /* output stream init */
2275 for (i = 0; i < nb_output_files; i++) {
2276 oc = output_files[i].ctx;
2277 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2278 av_dump_format(oc, i, oc->filename, 1);
2279 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2280 return AVERROR(EINVAL);
2284 /* for each output stream, we compute the right encoding parameters */
2285 for (i = 0; i < nb_output_streams; i++) {
2286 ost = &output_streams[i];
2287 oc = output_files[ost->file_index].ctx;
2288 ist = &input_streams[ost->source_index];
2290 if (ost->attachment_filename)
2293 codec = ost->st->codec;
2294 icodec = ist->st->codec;
2296 ost->st->disposition = ist->st->disposition;
2297 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2298 codec->chroma_sample_location = icodec->chroma_sample_location;
2300 if (ost->stream_copy) {
2301 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2303 if (extra_size > INT_MAX) {
2304 return AVERROR(EINVAL);
2307 /* if stream_copy is selected, no need to decode or encode */
2308 codec->codec_id = icodec->codec_id;
2309 codec->codec_type = icodec->codec_type;
2311 if (!codec->codec_tag) {
2312 if (!oc->oformat->codec_tag ||
2313 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2314 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2315 codec->codec_tag = icodec->codec_tag;
2318 codec->bit_rate = icodec->bit_rate;
2319 codec->rc_max_rate = icodec->rc_max_rate;
2320 codec->rc_buffer_size = icodec->rc_buffer_size;
2321 codec->field_order = icodec->field_order;
2322 codec->extradata = av_mallocz(extra_size);
2323 if (!codec->extradata) {
2324 return AVERROR(ENOMEM);
2326 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2327 codec->extradata_size = icodec->extradata_size;
2329 codec->time_base = icodec->time_base;
2330 codec->time_base.num *= icodec->ticks_per_frame;
2331 av_reduce(&codec->time_base.num, &codec->time_base.den,
2332 codec->time_base.num, codec->time_base.den, INT_MAX);
2334 codec->time_base = ist->st->time_base;
2336 switch (codec->codec_type) {
2337 case AVMEDIA_TYPE_AUDIO:
2338 if (audio_volume != 256) {
2339 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2342 codec->channel_layout = icodec->channel_layout;
2343 codec->sample_rate = icodec->sample_rate;
2344 codec->channels = icodec->channels;
2345 codec->frame_size = icodec->frame_size;
2346 codec->audio_service_type = icodec->audio_service_type;
2347 codec->block_align = icodec->block_align;
2349 case AVMEDIA_TYPE_VIDEO:
2350 codec->pix_fmt = icodec->pix_fmt;
2351 codec->width = icodec->width;
2352 codec->height = icodec->height;
2353 codec->has_b_frames = icodec->has_b_frames;
2354 if (!codec->sample_aspect_ratio.num) {
2355 codec->sample_aspect_ratio =
2356 ost->st->sample_aspect_ratio =
2357 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2358 ist->st->codec->sample_aspect_ratio.num ?
2359 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2362 case AVMEDIA_TYPE_SUBTITLE:
2363 codec->width = icodec->width;
2364 codec->height = icodec->height;
2366 case AVMEDIA_TYPE_DATA:
2367 case AVMEDIA_TYPE_ATTACHMENT:
2374 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2376 ist->decoding_needed = 1;
2377 ost->encoding_needed = 1;
2379 switch (codec->codec_type) {
2380 case AVMEDIA_TYPE_AUDIO:
2381 ost->fifo = av_fifo_alloc(1024);
2383 return AVERROR(ENOMEM);
2385 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2387 if (!codec->sample_rate)
2388 codec->sample_rate = icodec->sample_rate;
2389 choose_sample_rate(ost->st, ost->enc);
2390 codec->time_base = (AVRational){ 1, codec->sample_rate };
2392 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2393 codec->sample_fmt = icodec->sample_fmt;
2394 choose_sample_fmt(ost->st, ost->enc);
2396 if (!codec->channels)
2397 codec->channels = icodec->channels;
2398 codec->channel_layout = icodec->channel_layout;
2399 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2400 codec->channel_layout = 0;
2402 ost->audio_resample = codec-> sample_rate != icodec->sample_rate || audio_sync_method > 1;
2403 icodec->request_channels = codec-> channels;
2404 ost->resample_sample_fmt = icodec->sample_fmt;
2405 ost->resample_sample_rate = icodec->sample_rate;
2406 ost->resample_channels = icodec->channels;
2408 case AVMEDIA_TYPE_VIDEO:
2409 if (codec->pix_fmt == PIX_FMT_NONE)
2410 codec->pix_fmt = icodec->pix_fmt;
2411 choose_pixel_fmt(ost->st, ost->enc);
2413 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2414 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2418 if (!codec->width || !codec->height) {
2419 codec->width = icodec->width;
2420 codec->height = icodec->height;
2423 ost->video_resample = codec->width != icodec->width ||
2424 codec->height != icodec->height ||
2425 codec->pix_fmt != icodec->pix_fmt;
2426 if (ost->video_resample) {
2427 #if !CONFIG_AVFILTER
2428 avcodec_get_frame_defaults(&ost->pict_tmp);
2429 if (avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
2430 codec->width, codec->height)) {
2431 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
2434 ost->img_resample_ctx = sws_getContext(
2441 ost->sws_flags, NULL, NULL, NULL);
2442 if (ost->img_resample_ctx == NULL) {
2443 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
2447 codec->bits_per_raw_sample = 0;
2450 ost->resample_height = icodec->height;
2451 ost->resample_width = icodec->width;
2452 ost->resample_pix_fmt = icodec->pix_fmt;
2455 * We want CFR output if and only if one of those is true:
2456 * 1) user specified output framerate with -r
2457 * 2) user specified -vsync cfr
2458 * 3) output format is CFR and the user didn't force vsync to
2459 * something else than CFR
2461 * in such a case, set ost->frame_rate
2463 if (!ost->frame_rate.num &&
2464 (video_sync_method == VSYNC_CFR ||
2465 (video_sync_method == VSYNC_AUTO &&
2466 !(oc->oformat->flags & (AVFMT_NOTIMESTAMPS | AVFMT_VARIABLE_FPS))))) {
2467 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25, 1};
2468 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2469 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2470 ost->frame_rate = ost->enc->supported_framerates[idx];
2473 if (ost->frame_rate.num) {
2474 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2475 video_sync_method = VSYNC_CFR;
2477 codec->time_base = ist->st->time_base;
2480 if (configure_video_filters(ist, ost)) {
2481 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2486 case AVMEDIA_TYPE_SUBTITLE:
2487 codec->time_base = (AVRational){1, 1000};
2494 if ((codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2495 char logfilename[1024];
2498 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2499 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2501 if (!strcmp(ost->enc->name, "libx264")) {
2502 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
2504 if (codec->flags & CODEC_FLAG_PASS1) {
2505 f = fopen(logfilename, "wb");
2507 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2508 logfilename, strerror(errno));
2514 size_t logbuffer_size;
2515 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2516 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2520 codec->stats_in = logbuffer;
2527 /* open each encoder */
2528 for (i = 0; i < nb_output_streams; i++) {
2529 ost = &output_streams[i];
2530 if (ost->encoding_needed) {
2531 AVCodec *codec = ost->enc;
2532 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2534 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d:%d",
2535 ost->st->codec->codec_id, ost->file_index, ost->index);
2536 ret = AVERROR(EINVAL);
2539 if (dec->subtitle_header) {
2540 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2541 if (!ost->st->codec->subtitle_header) {
2542 ret = AVERROR(ENOMEM);
2545 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2546 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2548 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2549 av_dict_set(&ost->opts, "threads", "auto", 0);
2550 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2551 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2552 ost->file_index, ost->index);
2553 ret = AVERROR(EINVAL);
2556 assert_codec_experimental(ost->st->codec, 1);
2557 assert_avoptions(ost->opts);
2558 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2559 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2560 "It takes bits/s as argument, not kbits/s\n");
2561 extra_size += ost->st->codec->extradata_size;
2563 if (ost->st->codec->me_threshold)
2564 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2568 /* init input streams */
2569 for (i = 0; i < nb_input_streams; i++)
2570 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2573 /* discard unused programs */
2574 for (i = 0; i < nb_input_files; i++) {
2575 InputFile *ifile = &input_files[i];
2576 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2577 AVProgram *p = ifile->ctx->programs[j];
2578 int discard = AVDISCARD_ALL;
2580 for (k = 0; k < p->nb_stream_indexes; k++)
2581 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2582 discard = AVDISCARD_DEFAULT;
2585 p->discard = discard;
2589 /* open files and write file headers */
2590 for (i = 0; i < nb_output_files; i++) {
2591 oc = output_files[i].ctx;
2592 oc->interrupt_callback = int_cb;
2593 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2594 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2595 ret = AVERROR(EINVAL);
2598 assert_avoptions(output_files[i].opts);
2599 if (strcmp(oc->oformat->name, "rtp")) {
2605 /* dump the file output parameters - cannot be done before in case
2607 for (i = 0; i < nb_output_files; i++) {
2608 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2611 /* dump the stream mapping */
2612 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2613 for (i = 0; i < nb_output_streams; i++) {
2614 ost = &output_streams[i];
2616 if (ost->attachment_filename) {
2617 /* an attached file */
2618 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2619 ost->attachment_filename, ost->file_index, ost->index);
2622 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2623 input_streams[ost->source_index].file_index,
2624 input_streams[ost->source_index].st->index,
2627 if (ost->sync_ist != &input_streams[ost->source_index])
2628 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2629 ost->sync_ist->file_index,
2630 ost->sync_ist->st->index);
2631 if (ost->stream_copy)
2632 av_log(NULL, AV_LOG_INFO, " (copy)");
2634 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2635 input_streams[ost->source_index].dec->name : "?",
2636 ost->enc ? ost->enc->name : "?");
2637 av_log(NULL, AV_LOG_INFO, "\n");
2641 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2646 print_sdp(output_files, nb_output_files);
2653 * The following code is the main loop of the file converter
2655 static int transcode(OutputFile *output_files,
2656 int nb_output_files,
2657 InputFile *input_files,
2661 AVFormatContext *is, *os;
2665 int no_packet_count = 0;
2666 int64_t timer_start;
2668 if (!(no_packet = av_mallocz(nb_input_files)))
2671 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2675 av_log(NULL, AV_LOG_INFO, "Press ctrl-c to stop encoding\n");
2678 timer_start = av_gettime();
2680 for (; received_sigterm == 0;) {
2681 int file_index, ist_index;
2686 ipts_min = INT64_MAX;
2689 /* select the stream that we must read now by looking at the
2690 smallest output pts */
2692 for (i = 0; i < nb_output_streams; i++) {
2696 ost = &output_streams[i];
2697 of = &output_files[ost->file_index];
2698 os = output_files[ost->file_index].ctx;
2699 ist = &input_streams[ost->source_index];
2700 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2701 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2703 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2704 ipts = ist->last_dts;
2705 if (!input_files[ist->file_index].eof_reached) {
2706 if (ipts < ipts_min) {
2709 file_index = ist->file_index;
2711 if (opts < opts_min) {
2713 if (!input_sync) file_index = ist->file_index;
2716 if (ost->frame_number >= ost->max_frames) {
2718 for (j = 0; j < of->ctx->nb_streams; j++)
2719 output_streams[of->ost_index + j].is_past_recording_time = 1;
2723 /* if none, if is finished */
2724 if (file_index < 0) {
2725 if (no_packet_count) {
2726 no_packet_count = 0;
2727 memset(no_packet, 0, nb_input_files);
2734 /* read a frame from it and output it in the fifo */
2735 is = input_files[file_index].ctx;
2736 ret = av_read_frame(is, &pkt);
2737 if (ret == AVERROR(EAGAIN)) {
2738 no_packet[file_index] = 1;
2743 input_files[file_index].eof_reached = 1;
2750 no_packet_count = 0;
2751 memset(no_packet, 0, nb_input_files);
2754 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2755 is->streams[pkt.stream_index]);
2757 /* the following test is needed in case new streams appear
2758 dynamically in stream : we ignore them */
2759 if (pkt.stream_index >= input_files[file_index].nb_streams)
2760 goto discard_packet;
2761 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2762 ist = &input_streams[ist_index];
2764 goto discard_packet;
2766 if (pkt.dts != AV_NOPTS_VALUE)
2767 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2768 if (pkt.pts != AV_NOPTS_VALUE)
2769 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2771 if (pkt.pts != AV_NOPTS_VALUE)
2772 pkt.pts *= ist->ts_scale;
2773 if (pkt.dts != AV_NOPTS_VALUE)
2774 pkt.dts *= ist->ts_scale;
2776 //fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n",
2778 // pkt.dts, input_files[ist->file_index].ts_offset,
2779 // ist->st->codec->codec_type);
2780 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE
2781 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2782 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2783 int64_t delta = pkt_dts - ist->next_dts;
2784 if ((FFABS(delta) > 1LL * dts_delta_threshold * AV_TIME_BASE || pkt_dts + 1 < ist->last_dts) && !copy_ts) {
2785 input_files[ist->file_index].ts_offset -= delta;
2786 av_log(NULL, AV_LOG_DEBUG,
2787 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2788 delta, input_files[ist->file_index].ts_offset);
2789 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2790 if (pkt.pts != AV_NOPTS_VALUE)
2791 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2795 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2796 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
2798 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
2799 ist->file_index, ist->st->index);
2802 av_free_packet(&pkt);
2807 av_free_packet(&pkt);
2809 /* dump report by using the output first video and audio streams */
2810 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2813 /* at the end of stream, we must flush the decoder buffers */
2814 for (i = 0; i < nb_input_streams; i++) {
2815 ist = &input_streams[i];
2816 if (ist->decoding_needed) {
2817 output_packet(ist, output_streams, nb_output_streams, NULL);
2820 flush_encoders(output_streams, nb_output_streams);
2824 /* write the trailer if needed and close file */
2825 for (i = 0; i < nb_output_files; i++) {
2826 os = output_files[i].ctx;
2827 av_write_trailer(os);
2830 /* dump report by using the first video and audio streams */
2831 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2833 /* close each encoder */
2834 for (i = 0; i < nb_output_streams; i++) {
2835 ost = &output_streams[i];
2836 if (ost->encoding_needed) {
2837 av_freep(&ost->st->codec->stats_in);
2838 avcodec_close(ost->st->codec);
2841 avfilter_graph_free(&ost->graph);
2845 /* close each decoder */
2846 for (i = 0; i < nb_input_streams; i++) {
2847 ist = &input_streams[i];
2848 if (ist->decoding_needed) {
2849 avcodec_close(ist->st->codec);
2857 av_freep(&no_packet);
2859 if (output_streams) {
2860 for (i = 0; i < nb_output_streams; i++) {
2861 ost = &output_streams[i];
2863 if (ost->stream_copy)
2864 av_freep(&ost->st->codec->extradata);
2866 fclose(ost->logfile);
2867 ost->logfile = NULL;
2869 av_fifo_free(ost->fifo); /* works even if fifo is not
2870 initialized but set to zero */
2871 av_freep(&ost->st->codec->subtitle_header);
2872 av_free(ost->pict_tmp.data[0]);
2873 av_free(ost->forced_kf_pts);
2874 if (ost->video_resample)
2875 sws_freeContext(ost->img_resample_ctx);
2877 audio_resample_close(ost->resample);
2878 if (ost->reformat_ctx)
2879 av_audio_convert_free(ost->reformat_ctx);
2880 av_dict_free(&ost->opts);
2887 static double parse_frame_aspect_ratio(const char *arg)
2894 p = strchr(arg, ':');
2896 x = strtol(arg, &end, 10);
2898 y = strtol(end + 1, &end, 10);
2900 ar = (double)x / (double)y;
2902 ar = strtod(arg, NULL);
2905 av_log(NULL, AV_LOG_FATAL, "Incorrect aspect ratio specification.\n");
2911 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
2913 return parse_option(o, "codec:a", arg, options);
2916 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
2918 return parse_option(o, "codec:v", arg, options);
2921 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
2923 return parse_option(o, "codec:s", arg, options);
2926 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
2928 return parse_option(o, "codec:d", arg, options);
2931 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
2933 StreamMap *m = NULL;
2934 int i, negative = 0, file_idx;
2935 int sync_file_idx = -1, sync_stream_idx;
2943 map = av_strdup(arg);
2945 /* parse sync stream first, just pick first matching stream */
2946 if (sync = strchr(map, ',')) {
2948 sync_file_idx = strtol(sync + 1, &sync, 0);
2949 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2950 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
2955 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2956 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2957 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2958 sync_stream_idx = i;
2961 if (i == input_files[sync_file_idx].nb_streams) {
2962 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
2963 "match any streams.\n", arg);
2969 file_idx = strtol(map, &p, 0);
2970 if (file_idx >= nb_input_files || file_idx < 0) {
2971 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
2975 /* disable some already defined maps */
2976 for (i = 0; i < o->nb_stream_maps; i++) {
2977 m = &o->stream_maps[i];
2978 if (file_idx == m->file_index &&
2979 check_stream_specifier(input_files[m->file_index].ctx,
2980 input_files[m->file_index].ctx->streams[m->stream_index],
2981 *p == ':' ? p + 1 : p) > 0)
2985 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2986 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2987 *p == ':' ? p + 1 : p) <= 0)
2989 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
2990 &o->nb_stream_maps, o->nb_stream_maps + 1);
2991 m = &o->stream_maps[o->nb_stream_maps - 1];
2993 m->file_index = file_idx;
2994 m->stream_index = i;
2996 if (sync_file_idx >= 0) {
2997 m->sync_file_index = sync_file_idx;
2998 m->sync_stream_index = sync_stream_idx;
3000 m->sync_file_index = file_idx;
3001 m->sync_stream_index = i;
3006 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3014 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3016 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3017 &o->nb_attachments, o->nb_attachments + 1);
3018 o->attachments[o->nb_attachments - 1] = arg;
3023 * Parse a metadata specifier in arg.
3024 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3025 * @param index for type c/p, chapter/program index is written here
3026 * @param stream_spec for type s, the stream specifier is written here
3028 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3036 if (*(++arg) && *arg != ':') {
3037 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3040 *stream_spec = *arg == ':' ? arg + 1 : "";
3044 if (*(++arg) == ':')
3045 *index = strtol(++arg, NULL, 0);
3048 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3055 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3057 AVDictionary **meta_in = NULL;
3058 AVDictionary **meta_out;
3060 char type_in, type_out;
3061 const char *istream_spec = NULL, *ostream_spec = NULL;
3062 int idx_in = 0, idx_out = 0;
3064 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3065 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3067 if (type_in == 'g' || type_out == 'g')
3068 o->metadata_global_manual = 1;
3069 if (type_in == 's' || type_out == 's')
3070 o->metadata_streams_manual = 1;
3071 if (type_in == 'c' || type_out == 'c')
3072 o->metadata_chapters_manual = 1;
3074 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3075 if ((index) < 0 || (index) >= (nb_elems)) {\
3076 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3081 #define SET_DICT(type, meta, context, index)\
3084 meta = &context->metadata;\
3087 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3088 meta = &context->chapters[index]->metadata;\
3091 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3092 meta = &context->programs[index]->metadata;\
3096 SET_DICT(type_in, meta_in, ic, idx_in);
3097 SET_DICT(type_out, meta_out, oc, idx_out);
3099 /* for input streams choose first matching stream */
3100 if (type_in == 's') {
3101 for (i = 0; i < ic->nb_streams; i++) {
3102 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3103 meta_in = &ic->streams[i]->metadata;
3109 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3114 if (type_out == 's') {
3115 for (i = 0; i < oc->nb_streams; i++) {
3116 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3117 meta_out = &oc->streams[i]->metadata;
3118 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3123 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3128 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3130 const char *codec_string = encoder ? "encoder" : "decoder";
3134 avcodec_find_encoder_by_name(name) :
3135 avcodec_find_decoder_by_name(name);
3137 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3140 if (codec->type != type) {
3141 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3147 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3149 char *codec_name = NULL;
3151 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3153 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3154 st->codec->codec_id = codec->id;
3157 return avcodec_find_decoder(st->codec->codec_id);
3161 * Add all the streams from the given input file to the global
3162 * list of input streams.
3164 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3168 for (i = 0; i < ic->nb_streams; i++) {
3169 AVStream *st = ic->streams[i];
3170 AVCodecContext *dec = st->codec;
3173 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3174 ist = &input_streams[nb_input_streams - 1];
3176 ist->file_index = nb_input_files;
3178 st->discard = AVDISCARD_ALL;
3179 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3181 ist->ts_scale = 1.0;
3182 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3184 ist->dec = choose_decoder(o, ic, st);
3186 switch (dec->codec_type) {
3187 case AVMEDIA_TYPE_VIDEO:
3189 dec->flags |= CODEC_FLAG_EMU_EDGE;
3190 dec->height >>= dec->lowres;
3191 dec->width >>= dec->lowres;
3195 case AVMEDIA_TYPE_AUDIO:
3196 case AVMEDIA_TYPE_DATA:
3197 case AVMEDIA_TYPE_SUBTITLE:
3198 case AVMEDIA_TYPE_ATTACHMENT:
3199 case AVMEDIA_TYPE_UNKNOWN:
3207 static void assert_file_overwrite(const char *filename)
3209 if (!file_overwrite &&
3210 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3211 av_strstart(filename, "file:", NULL))) {
3212 if (avio_check(filename, 0) == 0) {
3214 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3216 if (!read_yesno()) {
3217 fprintf(stderr, "Not overwriting - exiting\n");
3222 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3229 static void dump_attachment(AVStream *st, const char *filename)
3232 AVIOContext *out = NULL;
3233 AVDictionaryEntry *e;
3235 if (!st->codec->extradata_size) {
3236 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3237 nb_input_files - 1, st->index);
3240 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3241 filename = e->value;
3243 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3244 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3248 assert_file_overwrite(filename);
3250 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3251 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3256 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3261 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3263 AVFormatContext *ic;
3264 AVInputFormat *file_iformat = NULL;
3268 AVDictionary **opts;
3269 int orig_nb_streams; // number of streams before avformat_find_stream_info
3272 if (!(file_iformat = av_find_input_format(o->format))) {
3273 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3278 if (!strcmp(filename, "-"))
3281 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3282 !strcmp(filename, "/dev/stdin");
3284 /* get default parameters from command line */
3285 ic = avformat_alloc_context();
3287 print_error(filename, AVERROR(ENOMEM));
3290 if (o->nb_audio_sample_rate) {
3291 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3292 av_dict_set(&format_opts, "sample_rate", buf, 0);
3294 if (o->nb_audio_channels) {
3295 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3296 av_dict_set(&format_opts, "channels", buf, 0);
3298 if (o->nb_frame_rates) {
3299 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3301 if (o->nb_frame_sizes) {
3302 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3304 if (o->nb_frame_pix_fmts)
3305 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3307 ic->flags |= AVFMT_FLAG_NONBLOCK;
3308 ic->interrupt_callback = int_cb;
3310 /* open the input file with generic libav function */
3311 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3313 print_error(filename, err);
3316 assert_avoptions(format_opts);
3318 /* apply forced codec ids */
3319 for (i = 0; i < ic->nb_streams; i++)
3320 choose_decoder(o, ic, ic->streams[i]);
3322 /* Set AVCodecContext options for avformat_find_stream_info */
3323 opts = setup_find_stream_info_opts(ic, codec_opts);
3324 orig_nb_streams = ic->nb_streams;
3326 /* If not enough info to get the stream parameters, we decode the
3327 first frames to get it. (used in mpeg case for example) */
3328 ret = avformat_find_stream_info(ic, opts);
3330 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3331 avformat_close_input(&ic);
3335 timestamp = o->start_time;
3336 /* add the stream start time */
3337 if (ic->start_time != AV_NOPTS_VALUE)
3338 timestamp += ic->start_time;
3340 /* if seeking requested, we execute it */
3341 if (o->start_time != 0) {
3342 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3344 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3345 filename, (double)timestamp / AV_TIME_BASE);
3349 /* update the current parameters so that they match the one of the input stream */
3350 add_input_streams(o, ic);
3352 /* dump the file content */
3353 av_dump_format(ic, nb_input_files, filename, 0);
3355 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3356 input_files[nb_input_files - 1].ctx = ic;
3357 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3358 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3359 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3360 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3362 for (i = 0; i < o->nb_dump_attachment; i++) {
3365 for (j = 0; j < ic->nb_streams; j++) {
3366 AVStream *st = ic->streams[j];
3368 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3369 dump_attachment(st, o->dump_attachment[i].u.str);
3373 for (i = 0; i < orig_nb_streams; i++)
3374 av_dict_free(&opts[i]);
3381 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3382 AVCodecContext *avctx)
3388 for (p = kf; *p; p++)
3391 ost->forced_kf_count = n;
3392 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3393 if (!ost->forced_kf_pts) {
3394 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3397 for (i = 0; i < n; i++) {
3398 p = i ? strchr(p, ',') + 1 : kf;
3399 t = parse_time_or_die("force_key_frames", p, 1);
3400 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3404 static uint8_t *get_line(AVIOContext *s)
3410 if (avio_open_dyn_buf(&line) < 0) {
3411 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3415 while ((c = avio_r8(s)) && c != '\n')
3418 avio_close_dyn_buf(line, &buf);
3423 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3426 char filename[1000];
3427 const char *base[3] = { getenv("AVCONV_DATADIR"),
3432 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3436 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3437 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3438 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3441 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3442 i != 1 ? "" : "/.avconv", preset_name);
3443 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3449 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3451 char *codec_name = NULL;
3453 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3455 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3456 NULL, ost->st->codec->codec_type);
3457 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3458 } else if (!strcmp(codec_name, "copy"))
3459 ost->stream_copy = 1;
3461 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3462 ost->st->codec->codec_id = ost->enc->id;
3466 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3469 AVStream *st = avformat_new_stream(oc, NULL);
3470 int idx = oc->nb_streams - 1, ret = 0;
3471 char *bsf = NULL, *next, *codec_tag = NULL;
3472 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3474 char *buf = NULL, *arg = NULL, *preset = NULL;
3475 AVIOContext *s = NULL;
3478 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3482 if (oc->nb_streams - 1 < o->nb_streamid_map)
3483 st->id = o->streamid_map[oc->nb_streams - 1];
3485 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3486 nb_output_streams + 1);
3487 ost = &output_streams[nb_output_streams - 1];
3488 ost->file_index = nb_output_files;
3491 st->codec->codec_type = type;
3492 choose_encoder(o, oc, ost);
3494 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3497 avcodec_get_context_defaults3(st->codec, ost->enc);
3498 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3500 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3501 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3504 if (!buf[0] || buf[0] == '#') {
3508 if (!(arg = strchr(buf, '='))) {
3509 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3513 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3515 } while (!s->eof_reached);
3519 av_log(NULL, AV_LOG_FATAL,
3520 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3521 preset, ost->file_index, ost->index);
3525 ost->max_frames = INT64_MAX;
3526 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3528 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3530 if (next = strchr(bsf, ','))
3532 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3533 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3537 bsfc_prev->next = bsfc;
3539 ost->bitstream_filters = bsfc;
3545 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3547 uint32_t tag = strtol(codec_tag, &next, 0);
3549 tag = AV_RL32(codec_tag);
3550 st->codec->codec_tag = tag;
3553 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3554 if (qscale >= 0 || same_quant) {
3555 st->codec->flags |= CODEC_FLAG_QSCALE;
3556 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3559 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3560 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3562 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3566 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3569 const char *p = str;
3576 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3583 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3587 AVCodecContext *video_enc;
3589 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3591 video_enc = st->codec;
3593 if (!ost->stream_copy) {
3594 const char *p = NULL;
3595 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3596 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3597 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3600 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3601 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3602 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3606 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3607 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3608 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3612 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3613 if (frame_aspect_ratio)
3614 ost->frame_aspect_ratio = parse_frame_aspect_ratio(frame_aspect_ratio);
3616 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
3617 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
3618 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
3621 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3623 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
3625 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
3626 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
3629 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
3631 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
3633 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
3634 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
3637 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
3640 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
3641 for (i = 0; p; i++) {
3643 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
3645 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
3648 video_enc->rc_override =
3649 av_realloc(video_enc->rc_override,
3650 sizeof(RcOverride) * (i + 1));
3651 video_enc->rc_override[i].start_frame = start;
3652 video_enc->rc_override[i].end_frame = end;
3654 video_enc->rc_override[i].qscale = q;
3655 video_enc->rc_override[i].quality_factor = 1.0;
3658 video_enc->rc_override[i].qscale = 0;
3659 video_enc->rc_override[i].quality_factor = -q/100.0;
3664 video_enc->rc_override_count = i;
3665 if (!video_enc->rc_initial_buffer_occupancy)
3666 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
3667 video_enc->intra_dc_precision = intra_dc_precision - 8;
3672 video_enc->flags |= CODEC_FLAG_PASS1;
3674 video_enc->flags |= CODEC_FLAG_PASS2;
3678 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
3679 if (forced_key_frames)
3680 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3682 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
3684 ost->top_field_first = -1;
3685 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
3688 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
3690 ost->avfilter = av_strdup(filters);
3693 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
3699 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
3703 AVCodecContext *audio_enc;
3705 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
3708 audio_enc = st->codec;
3709 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3711 if (!ost->stream_copy) {
3712 char *sample_fmt = NULL;
3714 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
3716 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
3718 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
3719 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
3723 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
3729 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
3733 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
3734 if (!ost->stream_copy) {
3735 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
3742 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
3744 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
3745 ost->stream_copy = 1;
3749 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
3753 AVCodecContext *subtitle_enc;
3755 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
3757 subtitle_enc = st->codec;
3759 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3764 /* arg format is "output-stream-index:streamid-value". */
3765 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
3771 av_strlcpy(idx_str, arg, sizeof(idx_str));
3772 p = strchr(idx_str, ':');
3774 av_log(NULL, AV_LOG_FATAL,
3775 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3780 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, INT_MAX);
3781 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
3782 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3786 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
3788 AVFormatContext *is = ifile->ctx;
3789 AVFormatContext *os = ofile->ctx;
3792 for (i = 0; i < is->nb_chapters; i++) {
3793 AVChapter *in_ch = is->chapters[i], *out_ch;
3794 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
3795 AV_TIME_BASE_Q, in_ch->time_base);
3796 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
3797 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3800 if (in_ch->end < ts_off)
3802 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3805 out_ch = av_mallocz(sizeof(AVChapter));
3807 return AVERROR(ENOMEM);
3809 out_ch->id = in_ch->id;
3810 out_ch->time_base = in_ch->time_base;
3811 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3812 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3815 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3818 os->chapters = av_realloc(os->chapters, sizeof(AVChapter) * os->nb_chapters);
3820 return AVERROR(ENOMEM);
3821 os->chapters[os->nb_chapters - 1] = out_ch;
3826 static void opt_output_file(void *optctx, const char *filename)
3828 OptionsContext *o = optctx;
3829 AVFormatContext *oc;
3831 AVOutputFormat *file_oformat;
3835 if (!strcmp(filename, "-"))
3838 oc = avformat_alloc_context();
3840 print_error(filename, AVERROR(ENOMEM));
3845 file_oformat = av_guess_format(o->format, NULL, NULL);
3846 if (!file_oformat) {
3847 av_log(NULL, AV_LOG_FATAL, "Requested output format '%s' is not a suitable output format\n", o->format);
3851 file_oformat = av_guess_format(NULL, filename, NULL);
3852 if (!file_oformat) {
3853 av_log(NULL, AV_LOG_FATAL, "Unable to find a suitable output format for '%s'\n",
3859 oc->oformat = file_oformat;
3860 oc->interrupt_callback = int_cb;
3861 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3863 if (!o->nb_stream_maps) {
3864 /* pick the "best" stream of each type */
3865 #define NEW_STREAM(type, index)\
3867 ost = new_ ## type ## _stream(o, oc);\
3868 ost->source_index = index;\
3869 ost->sync_ist = &input_streams[index];\
3870 input_streams[index].discard = 0;\
3871 input_streams[index].st->discard = AVDISCARD_NONE;\
3874 /* video: highest resolution */
3875 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3876 int area = 0, idx = -1;
3877 for (i = 0; i < nb_input_streams; i++) {
3878 ist = &input_streams[i];
3879 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3880 ist->st->codec->width * ist->st->codec->height > area) {
3881 area = ist->st->codec->width * ist->st->codec->height;
3885 NEW_STREAM(video, idx);
3888 /* audio: most channels */
3889 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3890 int channels = 0, idx = -1;
3891 for (i = 0; i < nb_input_streams; i++) {
3892 ist = &input_streams[i];
3893 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3894 ist->st->codec->channels > channels) {
3895 channels = ist->st->codec->channels;
3899 NEW_STREAM(audio, idx);
3902 /* subtitles: pick first */
3903 if (!o->subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3904 for (i = 0; i < nb_input_streams; i++)
3905 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3906 NEW_STREAM(subtitle, i);
3910 /* do something with data? */
3912 for (i = 0; i < o->nb_stream_maps; i++) {
3913 StreamMap *map = &o->stream_maps[i];
3918 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3919 switch (ist->st->codec->codec_type) {
3920 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
3921 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
3922 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
3923 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
3924 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
3926 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
3927 map->file_index, map->stream_index);
3931 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3932 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3933 map->sync_stream_index];
3935 ist->st->discard = AVDISCARD_NONE;
3939 /* handle attached files */
3940 for (i = 0; i < o->nb_attachments; i++) {
3942 uint8_t *attachment;
3946 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
3947 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
3951 if ((len = avio_size(pb)) <= 0) {
3952 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
3956 if (!(attachment = av_malloc(len))) {
3957 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
3961 avio_read(pb, attachment, len);
3963 ost = new_attachment_stream(o, oc);
3964 ost->stream_copy = 0;
3965 ost->source_index = -1;
3966 ost->attachment_filename = o->attachments[i];
3967 ost->st->codec->extradata = attachment;
3968 ost->st->codec->extradata_size = len;
3970 p = strrchr(o->attachments[i], '/');
3971 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
3975 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3976 output_files[nb_output_files - 1].ctx = oc;
3977 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3978 output_files[nb_output_files - 1].recording_time = o->recording_time;
3979 if (o->recording_time != INT64_MAX)
3980 oc->duration = o->recording_time;
3981 output_files[nb_output_files - 1].start_time = o->start_time;
3982 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
3983 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3985 /* check filename in case of an image number is expected */
3986 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3987 if (!av_filename_number_test(oc->filename)) {
3988 print_error(oc->filename, AVERROR(EINVAL));
3993 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3994 /* test if it already exists to avoid losing precious files */
3995 assert_file_overwrite(filename);
3998 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
3999 &oc->interrupt_callback,
4000 &output_files[nb_output_files - 1].opts)) < 0) {
4001 print_error(filename, err);
4006 if (o->mux_preload) {
4008 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4009 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4011 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4012 oc->flags |= AVFMT_FLAG_NONBLOCK;
4015 for (i = 0; i < o->nb_metadata_map; i++) {
4017 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4019 if (in_file_index < 0)
4021 if (in_file_index >= nb_input_files) {
4022 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4025 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4029 if (o->chapters_input_file >= nb_input_files) {
4030 if (o->chapters_input_file == INT_MAX) {
4031 /* copy chapters from the first input file that has them*/
4032 o->chapters_input_file = -1;
4033 for (i = 0; i < nb_input_files; i++)
4034 if (input_files[i].ctx->nb_chapters) {
4035 o->chapters_input_file = i;
4039 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4040 o->chapters_input_file);
4044 if (o->chapters_input_file >= 0)
4045 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4046 !o->metadata_chapters_manual);
4048 /* copy global metadata by default */
4049 if (!o->metadata_global_manual && nb_input_files)
4050 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4051 AV_DICT_DONT_OVERWRITE);
4052 if (!o->metadata_streams_manual)
4053 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4055 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4057 ist = &input_streams[output_streams[i].source_index];
4058 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4061 /* process manually set metadata */
4062 for (i = 0; i < o->nb_metadata; i++) {
4065 const char *stream_spec;
4066 int index = 0, j, ret;
4068 val = strchr(o->metadata[i].u.str, '=');
4070 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4071 o->metadata[i].u.str);
4076 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4078 for (j = 0; j < oc->nb_streams; j++) {
4079 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4080 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4084 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4092 if (index < 0 || index >= oc->nb_chapters) {
4093 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4096 m = &oc->chapters[index]->metadata;
4099 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4102 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4109 /* same option as mencoder */
4110 static int opt_pass(const char *opt, const char *arg)
4112 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
4116 static int64_t getutime(void)
4119 struct rusage rusage;
4121 getrusage(RUSAGE_SELF, &rusage);
4122 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4123 #elif HAVE_GETPROCESSTIMES
4125 FILETIME c, e, k, u;
4126 proc = GetCurrentProcess();
4127 GetProcessTimes(proc, &c, &e, &k, &u);
4128 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4130 return av_gettime();
4134 static int64_t getmaxrss(void)
4136 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4137 struct rusage rusage;
4138 getrusage(RUSAGE_SELF, &rusage);
4139 return (int64_t)rusage.ru_maxrss * 1024;
4140 #elif HAVE_GETPROCESSMEMORYINFO
4142 PROCESS_MEMORY_COUNTERS memcounters;
4143 proc = GetCurrentProcess();
4144 memcounters.cb = sizeof(memcounters);
4145 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4146 return memcounters.PeakPagefileUsage;
4152 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4154 return parse_option(o, "q:a", arg, options);
4157 static void show_usage(void)
4159 printf("Hyper fast Audio and Video encoder\n");
4160 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4164 static void show_help(void)
4166 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4167 av_log_set_callback(log_callback_help);
4169 show_help_options(options, "Main options:\n",
4170 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4171 show_help_options(options, "\nAdvanced options:\n",
4172 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4174 show_help_options(options, "\nVideo options:\n",
4175 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4177 show_help_options(options, "\nAdvanced Video options:\n",
4178 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4179 OPT_VIDEO | OPT_EXPERT);
4180 show_help_options(options, "\nAudio options:\n",
4181 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4183 show_help_options(options, "\nAdvanced Audio options:\n",
4184 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4185 OPT_AUDIO | OPT_EXPERT);
4186 show_help_options(options, "\nSubtitle options:\n",
4187 OPT_SUBTITLE | OPT_GRAB,
4189 show_help_options(options, "\nAudio/Video grab options:\n",
4193 show_help_children(avcodec_get_class(), flags);
4194 show_help_children(avformat_get_class(), flags);
4195 show_help_children(sws_get_class(), flags);
4198 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4200 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4201 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4203 if (!strncmp(arg, "pal-", 4)) {
4206 } else if (!strncmp(arg, "ntsc-", 5)) {
4209 } else if (!strncmp(arg, "film-", 5)) {
4213 /* Try to determine PAL/NTSC by peeking in the input files */
4214 if (nb_input_files) {
4216 for (j = 0; j < nb_input_files; j++) {
4217 for (i = 0; i < input_files[j].nb_streams; i++) {
4218 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4219 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4221 fr = c->time_base.den * 1000 / c->time_base.num;
4225 } else if ((fr == 29970) || (fr == 23976)) {
4230 if (norm != UNKNOWN)
4234 if (norm != UNKNOWN)
4235 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4238 if (norm == UNKNOWN) {
4239 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4240 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4241 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4245 if (!strcmp(arg, "vcd")) {
4246 opt_video_codec(o, "c:v", "mpeg1video");
4247 opt_audio_codec(o, "c:a", "mp2");
4248 parse_option(o, "f", "vcd", options);
4250 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4251 parse_option(o, "r", frame_rates[norm], options);
4252 opt_default("g", norm == PAL ? "15" : "18");
4254 opt_default("b", "1150000");
4255 opt_default("maxrate", "1150000");
4256 opt_default("minrate", "1150000");
4257 opt_default("bufsize", "327680"); // 40*1024*8;
4259 opt_default("b:a", "224000");
4260 parse_option(o, "ar", "44100", options);
4261 parse_option(o, "ac", "2", options);
4263 opt_default("packetsize", "2324");
4264 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4266 /* We have to offset the PTS, so that it is consistent with the SCR.
4267 SCR starts at 36000, but the first two packs contain only padding
4268 and the first pack from the other stream, respectively, may also have
4269 been written before.
4270 So the real data starts at SCR 36000+3*1200. */
4271 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4272 } else if (!strcmp(arg, "svcd")) {
4274 opt_video_codec(o, "c:v", "mpeg2video");
4275 opt_audio_codec(o, "c:a", "mp2");
4276 parse_option(o, "f", "svcd", options);
4278 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4279 parse_option(o, "r", frame_rates[norm], options);
4280 opt_default("g", norm == PAL ? "15" : "18");
4282 opt_default("b", "2040000");
4283 opt_default("maxrate", "2516000");
4284 opt_default("minrate", "0"); // 1145000;
4285 opt_default("bufsize", "1835008"); // 224*1024*8;
4286 opt_default("flags", "+scan_offset");
4289 opt_default("b:a", "224000");
4290 parse_option(o, "ar", "44100", options);
4292 opt_default("packetsize", "2324");
4294 } else if (!strcmp(arg, "dvd")) {
4296 opt_video_codec(o, "c:v", "mpeg2video");
4297 opt_audio_codec(o, "c:a", "ac3");
4298 parse_option(o, "f", "dvd", options);
4300 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4301 parse_option(o, "r", frame_rates[norm], options);
4302 opt_default("g", norm == PAL ? "15" : "18");
4304 opt_default("b", "6000000");
4305 opt_default("maxrate", "9000000");
4306 opt_default("minrate", "0"); // 1500000;
4307 opt_default("bufsize", "1835008"); // 224*1024*8;
4309 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4310 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4312 opt_default("b:a", "448000");
4313 parse_option(o, "ar", "48000", options);
4315 } else if (!strncmp(arg, "dv", 2)) {
4317 parse_option(o, "f", "dv", options);
4319 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4320 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4321 norm == PAL ? "yuv420p" : "yuv411p", options);
4322 parse_option(o, "r", frame_rates[norm], options);
4324 parse_option(o, "ar", "48000", options);
4325 parse_option(o, "ac", "2", options);
4328 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4329 return AVERROR(EINVAL);
4334 static int opt_vstats_file(const char *opt, const char *arg)
4336 av_free (vstats_filename);
4337 vstats_filename = av_strdup (arg);
4341 static int opt_vstats(const char *opt, const char *arg)
4344 time_t today2 = time(NULL);
4345 struct tm *today = localtime(&today2);
4347 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4349 return opt_vstats_file(opt, filename);
4352 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4354 return parse_option(o, "frames:v", arg, options);
4357 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4359 return parse_option(o, "frames:a", arg, options);
4362 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4364 return parse_option(o, "frames:d", arg, options);
4367 static int opt_video_tag(OptionsContext *o, const char *opt, const char *arg)
4369 return parse_option(o, "tag:v", arg, options);
4372 static int opt_audio_tag(OptionsContext *o, const char *opt, const char *arg)
4374 return parse_option(o, "tag:a", arg, options);
4377 static int opt_subtitle_tag(OptionsContext *o, const char *opt, const char *arg)
4379 return parse_option(o, "tag:s", arg, options);
4382 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4384 return parse_option(o, "filter:v", arg, options);
4387 static int opt_vsync(const char *opt, const char *arg)
4389 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4390 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4391 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4393 if (video_sync_method == VSYNC_AUTO)
4394 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4398 static int opt_deinterlace(const char *opt, const char *arg)
4400 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4405 static int opt_cpuflags(const char *opt, const char *arg)
4407 #define CPUFLAG_MMX2 (AV_CPU_FLAG_MMX | AV_CPU_FLAG_MMX2)
4408 #define CPUFLAG_3DNOW (AV_CPU_FLAG_3DNOW | AV_CPU_FLAG_MMX)
4409 #define CPUFLAG_3DNOWEXT (AV_CPU_FLAG_3DNOWEXT | CPUFLAG_3DNOW)
4410 #define CPUFLAG_SSE (AV_CPU_FLAG_SSE | CPUFLAG_MMX2)
4411 #define CPUFLAG_SSE2 (AV_CPU_FLAG_SSE2 | CPUFLAG_SSE)
4412 #define CPUFLAG_SSE2SLOW (AV_CPU_FLAG_SSE2SLOW | CPUFLAG_SSE2)
4413 #define CPUFLAG_SSE3 (AV_CPU_FLAG_SSE3 | CPUFLAG_SSE2)
4414 #define CPUFLAG_SSE3SLOW (AV_CPU_FLAG_SSE3SLOW | CPUFLAG_SSE3)
4415 #define CPUFLAG_SSSE3 (AV_CPU_FLAG_SSSE3 | CPUFLAG_SSE3)
4416 #define CPUFLAG_SSE4 (AV_CPU_FLAG_SSE4 | CPUFLAG_SSSE3)
4417 #define CPUFLAG_SSE42 (AV_CPU_FLAG_SSE42 | CPUFLAG_SSE4)
4418 #define CPUFLAG_AVX (AV_CPU_FLAG_AVX | CPUFLAG_SSE42)
4419 #define CPUFLAG_XOP (AV_CPU_FLAG_XOP | CPUFLAG_AVX)
4420 #define CPUFLAG_FMA4 (AV_CPU_FLAG_FMA4 | CPUFLAG_AVX)
4421 static const AVOption cpuflags_opts[] = {
4422 { "flags" , NULL, 0, AV_OPT_TYPE_FLAGS, { 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
4423 { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ALTIVEC }, .unit = "flags" },
4424 { "mmx" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_MMX }, .unit = "flags" },
4425 { "mmx2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_MMX2 }, .unit = "flags" },
4426 { "sse" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE }, .unit = "flags" },
4427 { "sse2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2 }, .unit = "flags" },
4428 { "sse2slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE2SLOW }, .unit = "flags" },
4429 { "sse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3 }, .unit = "flags" },
4430 { "sse3slow", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE3SLOW }, .unit = "flags" },
4431 { "ssse3" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSSE3 }, .unit = "flags" },
4432 { "atom" , NULL, 0, AV_OPT_TYPE_CONST, { AV_CPU_FLAG_ATOM }, .unit = "flags" },
4433 { "sse4.1" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE4 }, .unit = "flags" },
4434 { "sse4.2" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_SSE42 }, .unit = "flags" },
4435 { "avx" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_AVX }, .unit = "flags" },
4436 { "xop" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_XOP }, .unit = "flags" },
4437 { "fma4" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_FMA4 }, .unit = "flags" },
4438 { "3dnow" , NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOW }, .unit = "flags" },
4439 { "3dnowext", NULL, 0, AV_OPT_TYPE_CONST, { CPUFLAG_3DNOWEXT }, .unit = "flags" },
4442 static const AVClass class = {
4443 .class_name = "cpuflags",
4444 .item_name = av_default_item_name,
4445 .option = cpuflags_opts,
4446 .version = LIBAVUTIL_VERSION_INT,
4450 const AVClass *pclass = &class;
4452 if ((ret = av_opt_eval_flags(&pclass, &cpuflags_opts[0], arg, &flags)) < 0)
4455 av_set_cpu_flags_mask(flags);
4459 static void parse_cpuflags(int argc, char **argv, const OptionDef *options)
4461 int idx = locate_option(argc, argv, options, "cpuflags");
4462 if (idx && argv[idx + 1])
4463 opt_cpuflags("cpuflags", argv[idx + 1]);
4466 #define OFFSET(x) offsetof(OptionsContext, x)
4467 static const OptionDef options[] = {
4469 #include "cmdutils_common_opts.h"
4470 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4471 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4472 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4473 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4474 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4475 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4476 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4477 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4478 "outfile[,metadata]:infile[,metadata]" },
4479 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4480 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4481 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4482 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4483 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4484 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4485 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4486 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4487 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4488 "add timings for benchmarking" },
4489 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4490 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4491 "dump each input packet" },
4492 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4493 "when dumping packets, also dump the payload" },
4494 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4495 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4496 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4497 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4498 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4499 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4500 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4501 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4502 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4503 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4504 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
4505 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
4506 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
4507 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4508 { "qscale", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
4510 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
4512 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
4513 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
4514 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
4515 { "cpuflags", HAS_ARG | OPT_EXPERT, {(void*)opt_cpuflags}, "set CPU flags mask", "mask" },
4518 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
4519 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4520 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
4521 { "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" },
4522 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
4523 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
4524 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4525 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
4526 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4527 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
4528 "use same quantizer as source (implies VBR)" },
4529 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4530 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
4531 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
4532 "this option is deprecated, use the yadif filter instead" },
4533 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4534 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4536 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
4538 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
4539 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
4540 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
4541 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4542 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4543 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4544 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
4545 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4546 { "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" },
4549 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
4550 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
4551 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
4552 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
4553 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
4554 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4555 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4556 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4557 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
4559 /* subtitle options */
4560 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
4561 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4562 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4565 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4568 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
4569 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
4571 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
4573 /* data codec support */
4574 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4576 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4580 int main(int argc, char **argv)
4582 OptionsContext o = { 0 };
4587 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4588 parse_loglevel(argc, argv, options);
4590 avcodec_register_all();
4592 avdevice_register_all();
4595 avfilter_register_all();
4598 avformat_network_init();
4602 parse_cpuflags(argc, argv, options);
4605 parse_options(&o, argc, argv, options, opt_output_file);
4607 if (nb_output_files <= 0 && nb_input_files == 0) {
4609 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4613 /* file converter / grab */
4614 if (nb_output_files <= 0) {
4615 fprintf(stderr, "At least one output file must be specified\n");
4619 if (nb_input_files == 0) {
4620 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
4625 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4627 ti = getutime() - ti;
4629 int maxrss = getmaxrss() / 1024;
4630 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);