2 * Copyright (c) 2000-2003 Fabrice Bellard
4 * This file is part of FFmpeg.
6 * FFmpeg is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
11 * FFmpeg is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with FFmpeg; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
23 * multimedia converter based on the FFmpeg libraries
35 #include "libavformat/avformat.h"
36 #include "libavdevice/avdevice.h"
37 #include "libswscale/swscale.h"
38 #include "libavutil/opt.h"
39 #include "libavcodec/audioconvert.h"
40 #include "libavutil/audioconvert.h"
41 #include "libavutil/parseutils.h"
42 #include "libavutil/samplefmt.h"
43 #include "libavutil/colorspace.h"
44 #include "libavutil/fifo.h"
45 #include "libavutil/intreadwrite.h"
46 #include "libavutil/dict.h"
47 #include "libavutil/mathematics.h"
48 #include "libavutil/pixdesc.h"
49 #include "libavutil/avstring.h"
50 #include "libavutil/libm.h"
51 #include "libavutil/imgutils.h"
52 #include "libavutil/timestamp.h"
53 #include "libavformat/os_support.h"
54 #include "libswresample/swresample.h"
56 #include "libavformat/ffm.h" // not public API
58 # include "libavfilter/avcodec.h"
59 # include "libavfilter/avfilter.h"
60 # include "libavfilter/avfiltergraph.h"
61 # include "libavfilter/buffersink.h"
62 # include "libavfilter/buffersrc.h"
63 # include "libavfilter/vsrc_buffer.h"
65 #if HAVE_SYS_RESOURCE_H
66 #include <sys/types.h>
68 #include <sys/resource.h>
69 #elif HAVE_GETPROCESSTIMES
72 #if HAVE_GETPROCESSMEMORYINFO
78 #include <sys/select.h>
83 #include <sys/ioctl.h>
93 #include "libavutil/avassert.h"
96 #define VSYNC_PASSTHROUGH 0
99 #define VSYNC_DROP 0xff
101 const char program_name[] = "ffmpeg";
102 const int program_birth_year = 2000;
104 /* select an input stream for an output stream */
105 typedef struct StreamMap {
106 int disabled; /** 1 is this mapping is disabled by a negative map */
110 int sync_stream_index;
111 char *linklabel; /** name of an output link, for mapping lavfi outputs */
115 int file_idx, stream_idx, channel_idx; // input
116 int ofile_idx, ostream_idx; // output
119 static const OptionDef options[];
121 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
123 static int frame_bits_per_raw_sample = 0;
124 static int video_discard = 0;
125 static int same_quant = 0;
126 static int do_deinterlace = 0;
127 static int intra_dc_precision = 8;
128 static int qp_hist = 0;
129 static int intra_only = 0;
130 static const char *video_codec_name = NULL;
131 static const char *audio_codec_name = NULL;
132 static const char *subtitle_codec_name = NULL;
134 static int file_overwrite = 0;
135 static int no_file_overwrite = 0;
136 static int do_benchmark = 0;
137 static int do_benchmark_all = 0;
138 static int do_hex_dump = 0;
139 static int do_pkt_dump = 0;
140 static int do_psnr = 0;
141 static int do_pass = 0;
142 static const char *pass_logfilename_prefix;
143 static int video_sync_method = VSYNC_AUTO;
144 static int audio_sync_method = 0;
145 static float audio_drift_threshold = 0.1;
146 static int copy_ts = 0;
147 static int copy_tb = -1;
148 static int opt_shortest = 0;
149 static char *vstats_filename;
150 static FILE *vstats_file;
152 static int audio_volume = 256;
154 static int exit_on_error = 0;
155 static int using_stdin = 0;
156 static int run_as_daemon = 0;
157 static volatile int received_nb_signals = 0;
158 static int64_t video_size = 0;
159 static int64_t audio_size = 0;
160 static int64_t extra_size = 0;
161 static int nb_frames_dup = 0;
162 static int nb_frames_drop = 0;
163 static int input_sync;
165 static float dts_delta_threshold = 10;
166 static float dts_error_threshold = 3600*30;
168 static int print_stats = 1;
169 static int debug_ts = 0;
170 static int current_time;
172 static uint8_t *audio_buf;
173 static unsigned int allocated_audio_buf_size;
174 static uint8_t *async_buf;
175 static unsigned int allocated_async_buf_size;
177 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
179 typedef struct InputFilter {
180 AVFilterContext *filter;
181 struct InputStream *ist;
182 struct FilterGraph *graph;
185 typedef struct OutputFilter {
186 AVFilterContext *filter;
187 struct OutputStream *ost;
188 struct FilterGraph *graph;
190 /* temporary storage until stream maps are processed */
191 AVFilterInOut *out_tmp;
194 typedef struct FilterGraph {
196 const char *graph_desc;
198 AVFilterGraph *graph;
200 InputFilter **inputs;
202 OutputFilter **outputs;
206 typedef struct FrameBuffer {
212 enum PixelFormat pix_fmt;
215 struct InputStream *ist;
216 struct FrameBuffer *next;
219 typedef struct InputStream {
222 int discard; /* true if stream data should be discarded */
223 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
225 AVFrame *decoded_frame;
227 int64_t start; /* time when read started */
228 /* predicted dts of the next packet read for this stream or (when there are
229 * several frames in a packet) of the next frame in current packet */
231 /* dts of the last packet read for this stream */
234 int64_t next_pts; ///< synthetic pts for the next decode frame
235 int64_t pts; ///< current pts of the decoded frame
237 int is_start; /* is 1 at the start and after a discontinuity */
238 int showed_multi_packet_warning;
243 int resample_pix_fmt;
245 /* a pool of free buffers for decoded data */
246 FrameBuffer *buffer_pool;
249 /* decoded data from this stream goes into all those filters
250 * currently video only */
251 InputFilter **filters;
255 typedef struct InputFile {
256 AVFormatContext *ctx;
257 int eof_reached; /* true if eof reached */
258 int ist_index; /* index of first stream in input_streams */
259 int buffer_size; /* current total buffer size */
261 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
262 from ctx.nb_streams if new streams appear during av_read_frame() */
266 typedef struct OutputStream {
267 int file_index; /* file index */
268 int index; /* stream index in the output file */
269 int source_index; /* InputStream index */
270 AVStream *st; /* stream in the output file */
271 int encoding_needed; /* true if encoding needed for this stream */
273 /* input pts and corresponding output pts
275 struct InputStream *sync_ist; /* input stream to sync against */
276 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
277 AVBitStreamFilterContext *bitstream_filters;
280 AVFrame *output_frame;
281 AVFrame *filtered_frame;
284 AVRational frame_rate;
288 float frame_aspect_ratio;
291 /* forced key frames */
292 int64_t *forced_kf_pts;
298 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
299 int audio_channels_mapped; ///< number of channels in audio_channels_map
300 int resample_sample_fmt;
301 int resample_channels;
302 int resample_sample_rate;
303 float rematrix_volume;
304 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
309 OutputFilter *filter;
313 int64_t swr_dither_method;
314 double swr_dither_scale;
316 int is_past_recording_time;
318 const char *attachment_filename;
319 int copy_initial_nonkeyframes;
321 enum PixelFormat pix_fmts[2];
327 /* init terminal so that we can grab keys */
328 static struct termios oldtty;
329 static int restore_tty;
332 typedef struct OutputFile {
333 AVFormatContext *ctx;
335 int ost_index; /* index of the first stream in output_streams */
336 int64_t recording_time; /* desired length of the resulting file in microseconds */
337 int64_t start_time; /* start time in microseconds */
338 uint64_t limit_filesize; /* filesize limit expressed in bytes */
341 static InputStream **input_streams = NULL;
342 static int nb_input_streams = 0;
343 static InputFile **input_files = NULL;
344 static int nb_input_files = 0;
346 static OutputStream **output_streams = NULL;
347 static int nb_output_streams = 0;
348 static OutputFile **output_files = NULL;
349 static int nb_output_files = 0;
351 static FilterGraph **filtergraphs;
354 typedef struct OptionsContext {
355 /* input/output options */
359 SpecifierOpt *codec_names;
361 SpecifierOpt *audio_channels;
362 int nb_audio_channels;
363 SpecifierOpt *audio_sample_rate;
364 int nb_audio_sample_rate;
365 SpecifierOpt *rematrix_volume;
366 int nb_rematrix_volume;
367 SpecifierOpt *frame_rates;
369 SpecifierOpt *frame_sizes;
371 SpecifierOpt *frame_pix_fmts;
372 int nb_frame_pix_fmts;
375 int64_t input_ts_offset;
378 SpecifierOpt *ts_scale;
380 SpecifierOpt *dump_attachment;
381 int nb_dump_attachment;
384 StreamMap *stream_maps;
386 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
387 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
388 int metadata_global_manual;
389 int metadata_streams_manual;
390 int metadata_chapters_manual;
391 const char **attachments;
394 int chapters_input_file;
396 int64_t recording_time;
397 uint64_t limit_filesize;
403 int subtitle_disable;
406 /* indexed by output file stream index */
410 SpecifierOpt *metadata;
412 SpecifierOpt *max_frames;
414 SpecifierOpt *bitstream_filters;
415 int nb_bitstream_filters;
416 SpecifierOpt *codec_tags;
418 SpecifierOpt *sample_fmts;
420 SpecifierOpt *qscale;
422 SpecifierOpt *forced_key_frames;
423 int nb_forced_key_frames;
424 SpecifierOpt *force_fps;
426 SpecifierOpt *frame_aspect_ratios;
427 int nb_frame_aspect_ratios;
428 SpecifierOpt *rc_overrides;
430 SpecifierOpt *intra_matrices;
431 int nb_intra_matrices;
432 SpecifierOpt *inter_matrices;
433 int nb_inter_matrices;
434 SpecifierOpt *top_field_first;
435 int nb_top_field_first;
436 SpecifierOpt *metadata_map;
438 SpecifierOpt *presets;
440 SpecifierOpt *copy_initial_nonkeyframes;
441 int nb_copy_initial_nonkeyframes;
442 SpecifierOpt *filters;
446 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
449 for (i = 0; i < o->nb_ ## name; i++) {\
450 char *spec = o->name[i].specifier;\
451 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
452 outvar = o->name[i].u.type;\
458 static int64_t getutime(void)
461 struct rusage rusage;
463 getrusage(RUSAGE_SELF, &rusage);
464 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
465 #elif HAVE_GETPROCESSTIMES
468 proc = GetCurrentProcess();
469 GetProcessTimes(proc, &c, &e, &k, &u);
470 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
476 static void update_benchmark(const char *fmt, ...)
478 if (do_benchmark_all) {
479 int64_t t = getutime();
485 vsnprintf(buf, sizeof(buf), fmt, va);
487 printf("bench: %8"PRIu64" %s \n", t - current_time, buf);
493 static void reset_options(OptionsContext *o, int is_input)
495 const OptionDef *po = options;
496 OptionsContext bak= *o;
499 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
501 void *dst = (uint8_t*)o + po->u.off;
503 if (po->flags & OPT_SPEC) {
504 SpecifierOpt **so = dst;
505 int i, *count = (int*)(so + 1);
506 for (i = 0; i < *count; i++) {
507 av_freep(&(*so)[i].specifier);
508 if (po->flags & OPT_STRING)
509 av_freep(&(*so)[i].u.str);
513 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
518 for (i = 0; i < o->nb_stream_maps; i++)
519 av_freep(&o->stream_maps[i].linklabel);
520 av_freep(&o->stream_maps);
521 av_freep(&o->audio_channel_maps);
522 av_freep(&o->streamid_map);
524 memset(o, 0, sizeof(*o));
526 if(is_input) o->recording_time = bak.recording_time;
527 else o->recording_time = INT64_MAX;
528 o->mux_max_delay = 0.7;
529 o->limit_filesize = UINT64_MAX;
530 o->chapters_input_file = INT_MAX;
536 static int alloc_buffer(InputStream *ist, AVCodecContext *s, FrameBuffer **pbuf)
538 FrameBuffer *buf = av_mallocz(sizeof(*buf));
540 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
541 int h_chroma_shift, v_chroma_shift;
542 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
543 int w = s->width, h = s->height;
546 return AVERROR(ENOMEM);
548 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
553 avcodec_align_dimensions(s, &w, &h);
554 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
555 s->pix_fmt, 32)) < 0) {
559 /* XXX this shouldn't be needed, but some tests break without this line
560 * those decoders are buggy and need to be fixed.
561 * the following tests fail:
562 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
564 memset(buf->base[0], 128, ret);
566 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
567 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
568 const int h_shift = i==0 ? 0 : h_chroma_shift;
569 const int v_shift = i==0 ? 0 : v_chroma_shift;
570 if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[1])
571 buf->data[i] = buf->base[i];
573 buf->data[i] = buf->base[i] +
574 FFALIGN((buf->linesize[i]*edge >> v_shift) +
575 (pixel_size*edge >> h_shift), 32);
579 buf->pix_fmt = s->pix_fmt;
586 static void free_buffer_pool(InputStream *ist)
588 FrameBuffer *buf = ist->buffer_pool;
590 ist->buffer_pool = buf->next;
591 av_freep(&buf->base[0]);
593 buf = ist->buffer_pool;
597 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
599 av_assert0(buf->refcount);
601 if (!buf->refcount) {
602 buf->next = ist->buffer_pool;
603 ist->buffer_pool = buf;
607 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
609 InputStream *ist = s->opaque;
613 if(av_image_check_size(s->width, s->height, 0, s) || s->pix_fmt<0)
616 if (!ist->buffer_pool && (ret = alloc_buffer(ist, s, &ist->buffer_pool)) < 0)
619 buf = ist->buffer_pool;
620 ist->buffer_pool = buf->next;
622 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
623 av_freep(&buf->base[0]);
625 if ((ret = alloc_buffer(ist, s, &buf)) < 0)
631 frame->type = FF_BUFFER_TYPE_USER;
632 frame->extended_data = frame->data;
633 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
634 frame->width = buf->w;
635 frame->height = buf->h;
636 frame->format = buf->pix_fmt;
637 frame->sample_aspect_ratio = s->sample_aspect_ratio;
639 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
640 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
641 frame->data[i] = buf->data[i];
642 frame->linesize[i] = buf->linesize[i];
648 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
650 InputStream *ist = s->opaque;
651 FrameBuffer *buf = frame->opaque;
654 if(frame->type!=FF_BUFFER_TYPE_USER)
655 return avcodec_default_release_buffer(s, frame);
657 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
658 frame->data[i] = NULL;
660 unref_buffer(ist, buf);
663 static void filter_release_buffer(AVFilterBuffer *fb)
665 FrameBuffer *buf = fb->priv;
667 unref_buffer(buf->ist, buf);
670 static enum PixelFormat choose_pixel_fmt(AVStream *st, AVCodec *codec, enum PixelFormat target)
672 if (codec && codec->pix_fmts) {
673 const enum PixelFormat *p = codec->pix_fmts;
674 int has_alpha= av_pix_fmt_descriptors[target].nb_components % 2 == 0;
675 enum PixelFormat best= PIX_FMT_NONE;
676 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
677 if (st->codec->codec_id == CODEC_ID_MJPEG) {
678 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
679 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
680 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
681 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
684 for (; *p != PIX_FMT_NONE; p++) {
685 best= avcodec_find_best_pix_fmt2(best, *p, target, has_alpha, NULL);
689 if (*p == PIX_FMT_NONE) {
690 if (target != PIX_FMT_NONE)
691 av_log(NULL, AV_LOG_WARNING,
692 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
693 av_pix_fmt_descriptors[target].name,
695 av_pix_fmt_descriptors[best].name);
702 static const enum PixelFormat *choose_pixel_fmts(OutputStream *ost)
704 if (ost->st->codec->pix_fmt != PIX_FMT_NONE) {
705 ost->pix_fmts[0] = choose_pixel_fmt(ost->st, ost->enc, ost->st->codec->pix_fmt);
706 return ost->pix_fmts;
707 } else if (ost->enc->pix_fmts)
708 return ost->enc->pix_fmts;
713 static int configure_video_filters(FilterGraph *fg)
715 InputStream *ist = fg->inputs[0]->ist;
716 OutputStream *ost = fg->outputs[0]->ost;
717 AVFilterContext *last_filter, *filter;
718 /** filter graph containing all filters including input & output */
719 AVCodecContext *codec = ost->st->codec;
720 enum PixelFormat *pix_fmts = choose_pixel_fmts(ost);
721 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
722 AVRational sample_aspect_ratio;
726 avfilter_graph_free(&fg->graph);
727 fg->graph = avfilter_graph_alloc();
729 return AVERROR(ENOMEM);
731 if (ist->st->sample_aspect_ratio.num) {
732 sample_aspect_ratio = ist->st->sample_aspect_ratio;
734 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
736 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d:flags=%d", ist->st->codec->width,
737 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
738 sample_aspect_ratio.num, sample_aspect_ratio.den, SWS_BILINEAR + ((ist->st->codec->flags&CODEC_FLAG_BITEXACT) ? SWS_BITEXACT:0));
740 ret = avfilter_graph_create_filter(&fg->inputs[0]->filter,
741 avfilter_get_by_name("buffer"),
742 "src", args, NULL, fg->graph);
746 #if FF_API_OLD_VSINK_API
747 ret = avfilter_graph_create_filter(&fg->outputs[0]->filter, avfilter_get_by_name("buffersink"),
748 "out", NULL, pix_fmts, fg->graph);
750 buffersink_params->pixel_fmts = pix_fmts;
751 ret = avfilter_graph_create_filter(&fg->outputs[0]->filter, avfilter_get_by_name("buffersink"),
752 "out", NULL, buffersink_params, fg->graph);
754 av_freep(&buffersink_params);
758 last_filter = fg->inputs[0]->filter;
760 if (codec->width || codec->height) {
761 snprintf(args, 255, "%d:%d:flags=0x%X",
764 (unsigned)ost->sws_flags);
765 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
766 NULL, args, NULL, fg->graph)) < 0)
768 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
770 last_filter = filter;
773 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
774 fg->graph->scale_sws_opts = av_strdup(args);
777 AVFilterInOut *outputs = avfilter_inout_alloc();
778 AVFilterInOut *inputs = avfilter_inout_alloc();
780 outputs->name = av_strdup("in");
781 outputs->filter_ctx = last_filter;
782 outputs->pad_idx = 0;
783 outputs->next = NULL;
785 inputs->name = av_strdup("out");
786 inputs->filter_ctx = fg->outputs[0]->filter;
790 if ((ret = avfilter_graph_parse(fg->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
792 av_freep(&ost->avfilter);
794 if ((ret = avfilter_link(last_filter, 0, fg->outputs[0]->filter, 0)) < 0)
798 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
801 ost->filter = fg->outputs[0];
806 static FilterGraph *init_simple_filtergraph(InputStream *ist, OutputStream *ost)
808 FilterGraph *fg = av_mallocz(sizeof(*fg));
812 fg->index = nb_filtergraphs;
814 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs), &fg->nb_outputs,
816 if (!(fg->outputs[0] = av_mallocz(sizeof(*fg->outputs[0]))))
818 fg->outputs[0]->ost = ost;
819 fg->outputs[0]->graph = fg;
821 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs), &fg->nb_inputs,
823 if (!(fg->inputs[0] = av_mallocz(sizeof(*fg->inputs[0]))))
825 fg->inputs[0]->ist = ist;
826 fg->inputs[0]->graph = fg;
828 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
829 &ist->nb_filters, ist->nb_filters + 1);
830 ist->filters[ist->nb_filters - 1] = fg->inputs[0];
832 filtergraphs = grow_array(filtergraphs, sizeof(*filtergraphs),
833 &nb_filtergraphs, nb_filtergraphs + 1);
834 filtergraphs[nb_filtergraphs - 1] = fg;
839 static void init_input_filter(FilterGraph *fg, AVFilterInOut *in)
842 enum AVMediaType type = in->filter_ctx->input_pads[in->pad_idx].type;
845 // TODO: support other filter types
846 if (type != AVMEDIA_TYPE_VIDEO) {
847 av_log(NULL, AV_LOG_FATAL, "Only video filters supported currently.\n");
855 int file_idx = strtol(in->name, &p, 0);
857 if (file_idx < 0 || file_idx > nb_input_files) {
858 av_log(NULL, AV_LOG_FATAL, "Invalid file index %d in filtegraph description %s.\n",
859 file_idx, fg->graph_desc);
862 s = input_files[file_idx]->ctx;
864 for (i = 0; i < s->nb_streams; i++) {
865 if (s->streams[i]->codec->codec_type != type)
867 if (check_stream_specifier(s, s->streams[i], *p == ':' ? p + 1 : p) == 1) {
873 av_log(NULL, AV_LOG_FATAL, "Stream specifier '%s' in filtergraph description %s "
874 "matches no streams.\n", p, fg->graph_desc);
877 ist = input_streams[input_files[file_idx]->ist_index + st->index];
879 /* find the first unused stream of corresponding type */
880 for (i = 0; i < nb_input_streams; i++) {
881 ist = input_streams[i];
882 if (ist->st->codec->codec_type == type && ist->discard)
885 if (i == nb_input_streams) {
886 av_log(NULL, AV_LOG_FATAL, "Cannot find a matching stream for "
887 "unlabeled input pad %d on filter %s", in->pad_idx,
888 in->filter_ctx->name);
893 ist->decoding_needed = 1;
894 ist->st->discard = AVDISCARD_NONE;
896 fg->inputs = grow_array(fg->inputs, sizeof(*fg->inputs),
897 &fg->nb_inputs, fg->nb_inputs + 1);
898 if (!(fg->inputs[fg->nb_inputs - 1] = av_mallocz(sizeof(*fg->inputs[0]))))
900 fg->inputs[fg->nb_inputs - 1]->ist = ist;
901 fg->inputs[fg->nb_inputs - 1]->graph = fg;
903 ist->filters = grow_array(ist->filters, sizeof(*ist->filters),
904 &ist->nb_filters, ist->nb_filters + 1);
905 ist->filters[ist->nb_filters - 1] = fg->inputs[fg->nb_inputs - 1];
908 static int configure_output_filter(FilterGraph *fg, OutputFilter *ofilter, AVFilterInOut *out)
910 AVCodecContext *codec = ofilter->ost->st->codec;
911 AVFilterContext *last_filter = out->filter_ctx;
912 int pad_idx = out->pad_idx;
914 enum PixelFormat *pix_fmts = choose_pixel_fmts(ofilter->ost);
915 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
917 #if FF_API_OLD_VSINK_API
918 ret = avfilter_graph_create_filter(&ofilter->filter, avfilter_get_by_name("buffersink"),
919 "out", NULL, pix_fmts, fg->graph);
921 buffersink_params->pixel_fmts = pix_fmts;
922 ret = avfilter_graph_create_filter(&ofilter->filter, avfilter_get_by_name("buffersink"),
923 "out", NULL, buffersink_params, fg->graph);
925 av_freep(&buffersink_params);
930 if (codec->width || codec->height) {
932 snprintf(args, sizeof(args), "%d:%d:flags=0x%X",
935 (unsigned)ofilter->ost->sws_flags);
936 if ((ret = avfilter_graph_create_filter(&last_filter, avfilter_get_by_name("scale"),
937 NULL, args, NULL, fg->graph)) < 0)
939 if ((ret = avfilter_link(out->filter_ctx, out->pad_idx, last_filter, 0)) < 0)
944 if ((ret = avfilter_link(last_filter, pad_idx, ofilter->filter, 0)) < 0)
950 static int configure_complex_filter(FilterGraph *fg)
952 AVFilterInOut *inputs, *outputs, *cur;
953 int ret, i, init = !fg->graph;
955 avfilter_graph_free(&fg->graph);
956 if (!(fg->graph = avfilter_graph_alloc()))
957 return AVERROR(ENOMEM);
959 if ((ret = avfilter_graph_parse2(fg->graph, fg->graph_desc, &inputs, &outputs)) < 0)
962 for (cur = inputs; init && cur; cur = cur->next)
963 init_input_filter(fg, cur);
965 for (cur = inputs, i = 0; cur; cur = cur->next, i++) {
966 InputFilter *ifilter = fg->inputs[i];
967 InputStream *ist = ifilter->ist;
971 sar = ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
972 ist->st->codec->sample_aspect_ratio;
973 snprintf(args, sizeof(args), "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
974 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
977 if ((ret = avfilter_graph_create_filter(&ifilter->filter,
978 avfilter_get_by_name("buffer"), cur->name,
979 args, NULL, fg->graph)) < 0)
981 if ((ret = avfilter_link(ifilter->filter, 0,
982 cur->filter_ctx, cur->pad_idx)) < 0)
985 avfilter_inout_free(&inputs);
988 /* we already know the mappings between lavfi outputs and output streams,
989 * so we can finish the setup */
990 for (cur = outputs, i = 0; cur; cur = cur->next, i++)
991 configure_output_filter(fg, fg->outputs[i], cur);
992 avfilter_inout_free(&outputs);
994 if ((ret = avfilter_graph_config(fg->graph, NULL)) < 0)
997 /* wait until output mappings are processed */
998 for (cur = outputs; cur;) {
999 fg->outputs = grow_array(fg->outputs, sizeof(*fg->outputs),
1000 &fg->nb_outputs, fg->nb_outputs + 1);
1001 if (!(fg->outputs[fg->nb_outputs - 1] = av_mallocz(sizeof(*fg->outputs[0]))))
1003 fg->outputs[fg->nb_outputs - 1]->graph = fg;
1004 fg->outputs[fg->nb_outputs - 1]->out_tmp = cur;
1006 fg->outputs[fg->nb_outputs - 1]->out_tmp->next = NULL;
1013 static int configure_complex_filters(void)
1017 for (i = 0; i < nb_filtergraphs; i++)
1018 if (!filtergraphs[i]->graph &&
1019 (ret = configure_complex_filter(filtergraphs[i])) < 0)
1024 static int configure_filtergraph(FilterGraph *fg)
1026 return fg->graph_desc ? configure_complex_filter(fg) : configure_video_filters(fg);
1029 static int ist_in_filtergraph(FilterGraph *fg, InputStream *ist)
1032 for (i = 0; i < fg->nb_inputs; i++)
1033 if (fg->inputs[i]->ist == ist)
1038 static void term_exit(void)
1040 av_log(NULL, AV_LOG_QUIET, "%s", "");
1043 tcsetattr (0, TCSANOW, &oldtty);
1047 static volatile int received_sigterm = 0;
1049 static void sigterm_handler(int sig)
1051 received_sigterm = sig;
1052 received_nb_signals++;
1054 if(received_nb_signals > 3)
1058 static void term_init(void)
1064 if (tcgetattr (0, &tty) == 0) {
1069 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
1070 |INLCR|IGNCR|ICRNL|IXON);
1071 tty.c_oflag |= OPOST;
1072 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
1073 tty.c_cflag &= ~(CSIZE|PARENB);
1076 tty.c_cc[VTIME] = 0;
1078 tcsetattr (0, TCSANOW, &tty);
1080 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
1083 avformat_network_deinit();
1085 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
1086 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
1088 signal(SIGXCPU, sigterm_handler);
1092 /* read a key without blocking */
1093 static int read_key(void)
1105 n = select(1, &rfds, NULL, NULL, &tv);
1107 n = read(0, &ch, 1);
1114 # if HAVE_PEEKNAMEDPIPE
1116 static HANDLE input_handle;
1119 input_handle = GetStdHandle(STD_INPUT_HANDLE);
1120 is_pipe = !GetConsoleMode(input_handle, &dw);
1123 if (stdin->_cnt > 0) {
1128 /* When running under a GUI, you will end here. */
1129 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
1146 static int decode_interrupt_cb(void *ctx)
1148 return received_nb_signals > 1;
1151 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
1153 void av_noreturn exit_program(int ret)
1157 for (i = 0; i < nb_filtergraphs; i++) {
1158 avfilter_graph_free(&filtergraphs[i]->graph);
1159 for (j = 0; j < filtergraphs[i]->nb_inputs; j++)
1160 av_freep(&filtergraphs[i]->inputs[j]);
1161 av_freep(&filtergraphs[i]->inputs);
1162 for (j = 0; j < filtergraphs[i]->nb_outputs; j++)
1163 av_freep(&filtergraphs[i]->outputs[j]);
1164 av_freep(&filtergraphs[i]->outputs);
1165 av_freep(&filtergraphs[i]);
1167 av_freep(&filtergraphs);
1170 for (i = 0; i < nb_output_files; i++) {
1171 AVFormatContext *s = output_files[i]->ctx;
1172 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
1174 avformat_free_context(s);
1175 av_dict_free(&output_files[i]->opts);
1176 av_freep(&output_files[i]);
1178 for (i = 0; i < nb_output_streams; i++) {
1179 AVBitStreamFilterContext *bsfc = output_streams[i]->bitstream_filters;
1181 AVBitStreamFilterContext *next = bsfc->next;
1182 av_bitstream_filter_close(bsfc);
1185 output_streams[i]->bitstream_filters = NULL;
1187 if (output_streams[i]->output_frame) {
1188 AVFrame *frame = output_streams[i]->output_frame;
1189 if (frame->extended_data != frame->data)
1190 av_freep(&frame->extended_data);
1193 av_freep(&output_streams[i]->filtered_frame);
1194 av_freep(&output_streams[i]);
1196 for (i = 0; i < nb_input_files; i++) {
1197 avformat_close_input(&input_files[i]->ctx);
1198 av_freep(&input_files[i]);
1200 for (i = 0; i < nb_input_streams; i++) {
1201 av_freep(&input_streams[i]->decoded_frame);
1202 av_dict_free(&input_streams[i]->opts);
1203 free_buffer_pool(input_streams[i]);
1204 av_freep(&input_streams[i]->filters);
1205 av_freep(&input_streams[i]);
1209 fclose(vstats_file);
1210 av_free(vstats_filename);
1212 av_freep(&input_streams);
1213 av_freep(&input_files);
1214 av_freep(&output_streams);
1215 av_freep(&output_files);
1218 av_freep(&audio_buf);
1219 allocated_audio_buf_size = 0;
1220 av_freep(&async_buf);
1221 allocated_async_buf_size = 0;
1224 avformat_network_deinit();
1226 if (received_sigterm) {
1227 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
1228 (int) received_sigterm);
1232 exit(ret); /* not all OS-es handle main() return value */
1235 static void assert_avoptions(AVDictionary *m)
1237 AVDictionaryEntry *t;
1238 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
1239 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
1244 static void assert_codec_experimental(AVCodecContext *c, int encoder)
1246 const char *codec_string = encoder ? "encoder" : "decoder";
1248 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
1249 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
1250 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
1251 "results.\nAdd '-strict experimental' if you want to use it.\n",
1252 codec_string, c->codec->name);
1253 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
1254 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
1255 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
1256 codec_string, codec->name);
1261 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
1263 if (codec && codec->sample_fmts) {
1264 const enum AVSampleFormat *p = codec->sample_fmts;
1265 for (; *p != -1; p++) {
1266 if (*p == st->codec->sample_fmt)
1270 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
1271 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
1272 if(av_get_sample_fmt_name(st->codec->sample_fmt))
1273 av_log(NULL, AV_LOG_WARNING,
1274 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
1275 av_get_sample_fmt_name(st->codec->sample_fmt),
1277 av_get_sample_fmt_name(codec->sample_fmts[0]));
1278 st->codec->sample_fmt = codec->sample_fmts[0];
1283 static void choose_sample_rate(AVStream *st, AVCodec *codec)
1285 if (codec && codec->supported_samplerates) {
1286 const int *p = codec->supported_samplerates;
1288 int best_dist = INT_MAX;
1290 int dist = abs(st->codec->sample_rate - *p);
1291 if (dist < best_dist) {
1298 const int *sample_rates = codec->supported_samplerates;
1299 av_log(st->codec, AV_LOG_WARNING,
1300 "Requested sampling rate (%dHz) unsupported, using %dHz instead\n"
1301 "Available sampling rates for %s:",
1302 st->codec->sample_rate, best, codec->name);
1303 for (i = 0; sample_rates[i]; i++) {
1304 if (!sample_rates[i + 1]) av_log(st->codec, AV_LOG_WARNING, " and");
1305 else if (i) av_log(st->codec, AV_LOG_WARNING, ",");
1306 av_log(st->codec, AV_LOG_WARNING, " %d", sample_rates[i]);
1308 av_log(st->codec, AV_LOG_WARNING, ".\n");
1310 st->codec->sample_rate = best;
1315 get_sync_ipts(const OutputStream *ost, int64_t pts)
1317 OutputFile *of = output_files[ost->file_index];
1318 return (double)(pts - of->start_time) / AV_TIME_BASE;
1321 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
1323 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
1324 AVCodecContext *avctx = ost->st->codec;
1327 if ((avctx->codec_type == AVMEDIA_TYPE_VIDEO && video_sync_method == VSYNC_DROP) ||
1328 (avctx->codec_type == AVMEDIA_TYPE_AUDIO && audio_sync_method < 0))
1329 pkt->pts = pkt->dts = AV_NOPTS_VALUE;
1332 * Audio encoders may split the packets -- #frames in != #packets out.
1333 * But there is no reordering, so we can limit the number of output packets
1334 * by simply dropping them here.
1335 * Counting encoded video frames needs to be done separately because of
1336 * reordering, see do_video_out()
1338 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1339 if (ost->frame_number >= ost->max_frames) {
1340 av_free_packet(pkt);
1343 ost->frame_number++;
1347 AVPacket new_pkt = *pkt;
1348 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1349 &new_pkt.data, &new_pkt.size,
1350 pkt->data, pkt->size,
1351 pkt->flags & AV_PKT_FLAG_KEY);
1353 av_free_packet(pkt);
1354 new_pkt.destruct = av_destruct_packet;
1356 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1357 bsfc->filter->name, pkt->stream_index,
1358 avctx->codec ? avctx->codec->name : "copy");
1368 pkt->stream_index = ost->index;
1369 ret = av_interleaved_write_frame(s, pkt);
1371 print_error("av_interleaved_write_frame()", ret);
1376 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1378 int fill_char = 0x00;
1379 if (sample_fmt == AV_SAMPLE_FMT_U8)
1381 memset(buf, fill_char, size);
1384 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1385 const uint8_t *buf, int buf_size)
1387 AVCodecContext *enc = ost->st->codec;
1388 AVFrame *frame = NULL;
1390 int ret, got_packet;
1392 av_init_packet(&pkt);
1396 if (buf && buf_size) {
1397 if (!ost->output_frame) {
1398 ost->output_frame = avcodec_alloc_frame();
1399 if (!ost->output_frame) {
1400 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1404 frame = ost->output_frame;
1405 if (frame->extended_data != frame->data)
1406 av_freep(&frame->extended_data);
1407 avcodec_get_frame_defaults(frame);
1409 frame->nb_samples = buf_size /
1410 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1411 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1412 buf, buf_size, 1)) < 0) {
1413 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_fill_audio_frame)\n");
1417 frame->pts = ost->sync_opts;
1418 ost->sync_opts += frame->nb_samples;
1422 update_benchmark(NULL);
1423 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1424 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed (avcodec_encode_audio2)\n");
1427 update_benchmark("encode_audio %d.%d", ost->file_index, ost->index);
1432 if (pkt.pts != AV_NOPTS_VALUE)
1433 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1434 if (pkt.dts != AV_NOPTS_VALUE) {
1435 int64_t max = ost->st->cur_dts + !(s->oformat->flags & AVFMT_TS_NONSTRICT);
1436 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1437 if (ost->st->cur_dts && ost->st->cur_dts != AV_NOPTS_VALUE && max > pkt.dts) {
1438 av_log(s, max - pkt.dts > 2 ? AV_LOG_WARNING : AV_LOG_DEBUG, "Audio timestamp %"PRId64" < %"PRId64" invalid, cliping\n", pkt.dts, max);
1439 pkt.pts = pkt.dts = max;
1442 if (pkt.duration > 0)
1443 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1445 write_frame(s, &pkt, ost);
1447 audio_size += pkt.size;
1449 av_free_packet(&pkt);
1453 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1454 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1455 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1456 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1462 static int alloc_audio_output_buf(AVCodecContext *dec, AVCodecContext *enc,
1465 int64_t audio_buf_samples;
1468 /* calculate required number of samples to allocate */
1469 audio_buf_samples = ((int64_t)nb_samples * enc->sample_rate + dec->sample_rate) /
1471 audio_buf_samples = 4 * audio_buf_samples + 10000; // safety factors for resampling
1472 audio_buf_samples = FFMAX(audio_buf_samples, enc->frame_size);
1473 if (audio_buf_samples > INT_MAX)
1474 return AVERROR(EINVAL);
1476 audio_buf_size = av_samples_get_buffer_size(NULL, enc->channels,
1478 enc->sample_fmt, 0);
1479 if (audio_buf_size < 0)
1480 return audio_buf_size;
1482 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1484 return AVERROR(ENOMEM);
1489 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1490 InputStream *ist, AVFrame *decoded_frame)
1495 int frame_bytes, resample_changed;
1496 AVCodecContext *enc = ost->st->codec;
1497 AVCodecContext *dec = ist->st->codec;
1498 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1499 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1500 uint8_t *buf[AV_NUM_DATA_POINTERS];
1501 int size = decoded_frame->nb_samples * dec->channels * isize;
1502 int planes = av_sample_fmt_is_planar(dec->sample_fmt) ? dec->channels : 1;
1505 av_assert0(planes <= AV_NUM_DATA_POINTERS);
1507 for(i=0; i<planes; i++)
1508 buf[i]= decoded_frame->data[i];
1510 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples) < 0) {
1511 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
1515 if (enc->channels != dec->channels
1516 || enc->sample_fmt != dec->sample_fmt
1517 || enc->sample_rate!= dec->sample_rate
1519 ost->audio_resample = 1;
1521 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1522 ost->resample_channels != dec->channels ||
1523 ost->resample_sample_rate != dec->sample_rate;
1525 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1526 if (resample_changed) {
1527 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",
1528 ist->file_index, ist->st->index,
1529 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1530 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1531 ost->resample_sample_fmt = dec->sample_fmt;
1532 ost->resample_channels = dec->channels;
1533 ost->resample_sample_rate = dec->sample_rate;
1534 swr_free(&ost->swr);
1536 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1537 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1538 ost->resample_sample_fmt == enc->sample_fmt &&
1539 ost->resample_channels == enc->channels &&
1540 ost->resample_sample_rate == enc->sample_rate) {
1542 ost->audio_resample = 0;
1544 ost->swr = swr_alloc_set_opts(ost->swr,
1545 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1546 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1548 av_opt_set_int(ost->swr, "dither_method", ost->swr_dither_method,0);
1549 av_opt_set_int(ost->swr, "dither_scale", ost->swr_dither_scale,0);
1550 if (ost->audio_channels_mapped)
1551 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1552 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1553 if (ost->audio_channels_mapped) {
1554 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1555 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1557 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1558 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1561 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1562 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1565 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1566 if(ost->swr && swr_init(ost->swr) < 0){
1567 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1568 swr_free(&ost->swr);
1572 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1573 dec->channels, dec->sample_rate,
1574 enc->channels, enc->sample_rate);
1580 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1582 if (audio_sync_method > 0) {
1583 double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
1584 av_fifo_size(ost->fifo) / (enc->channels * osize);
1585 int idelta = delta * dec->sample_rate / enc->sample_rate;
1586 int byte_delta = idelta * isize * dec->channels;
1588 // FIXME resample delay
1589 if (fabs(delta) > 50) {
1590 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1591 if (byte_delta < 0) {
1592 byte_delta = FFMAX(byte_delta, -size);
1594 for (i=0; i<planes; i++)
1595 buf[i] -= byte_delta/planes;
1596 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1597 -byte_delta / (isize * dec->channels));
1602 av_fast_malloc(&async_buf, &allocated_async_buf_size,
1605 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1609 if (alloc_audio_output_buf(dec, enc, decoded_frame->nb_samples + idelta) < 0) {
1610 av_log(NULL, AV_LOG_FATAL, "Error allocating audio buffer\n");
1615 for (i=0; i<planes; i++) {
1616 uint8_t *t = async_buf + i*((byte_delta + size)/planes);
1617 generate_silence(t, dec->sample_fmt, byte_delta/planes);
1618 memcpy(t + byte_delta/planes, buf[i], size/planes);
1622 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1624 } else if (audio_sync_method > 1) {
1625 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1626 av_assert0(ost->audio_resample);
1627 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1628 delta, comp, enc->sample_rate);
1629 // 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));
1630 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1633 } else if (audio_sync_method == 0)
1634 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
1635 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1637 if (ost->audio_resample || ost->audio_channels_mapped) {
1639 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, allocated_audio_buf_size / (enc->channels * osize),
1640 buf, size / (dec->channels * isize));
1642 av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
1645 size_out = size_out * enc->channels * osize;
1651 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1653 /* now encode as many frames as possible */
1654 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1655 /* output resampled raw samples */
1656 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1657 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1660 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1662 frame_bytes = enc->frame_size * osize * enc->channels;
1664 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1665 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1666 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1669 encode_audio_frame(s, ost, buftmp, size_out);
1673 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1675 AVCodecContext *dec;
1676 AVPicture *picture2;
1677 AVPicture picture_tmp;
1680 dec = ist->st->codec;
1682 /* deinterlace : must be done before any resize */
1683 if (do_deinterlace) {
1686 /* create temporary picture */
1687 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1688 buf = av_malloc(size);
1692 picture2 = &picture_tmp;
1693 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1695 if (avpicture_deinterlace(picture2, picture,
1696 dec->pix_fmt, dec->width, dec->height) < 0) {
1697 /* if error, do not deinterlace */
1698 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1707 if (picture != picture2)
1708 *picture = *picture2;
1712 static void do_subtitle_out(AVFormatContext *s,
1718 static uint8_t *subtitle_out = NULL;
1719 int subtitle_out_max_size = 1024 * 1024;
1720 int subtitle_out_size, nb, i;
1721 AVCodecContext *enc;
1724 if (pts == AV_NOPTS_VALUE) {
1725 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1731 enc = ost->st->codec;
1733 if (!subtitle_out) {
1734 subtitle_out = av_malloc(subtitle_out_max_size);
1737 /* Note: DVB subtitle need one packet to draw them and one other
1738 packet to clear them */
1739 /* XXX: signal it in the codec context ? */
1740 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1745 for (i = 0; i < nb; i++) {
1746 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1748 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1749 // start_display_time is required to be 0
1750 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1751 sub->end_display_time -= sub->start_display_time;
1752 sub->start_display_time = 0;
1753 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1754 subtitle_out_max_size, sub);
1755 if (subtitle_out_size < 0) {
1756 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1760 av_init_packet(&pkt);
1761 pkt.data = subtitle_out;
1762 pkt.size = subtitle_out_size;
1763 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1764 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1765 /* XXX: the pts correction is handled here. Maybe handling
1766 it in the codec would be better */
1768 pkt.pts += 90 * sub->start_display_time;
1770 pkt.pts += 90 * sub->end_display_time;
1772 write_frame(s, &pkt, ost);
1776 static double psnr(double d)
1778 return -10.0 * log(d) / log(10.0);
1781 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1784 AVCodecContext *enc;
1786 double ti1, bitrate, avg_bitrate;
1788 /* this is executed just the first time do_video_stats is called */
1790 vstats_file = fopen(vstats_filename, "w");
1797 enc = ost->st->codec;
1798 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1799 frame_number = ost->frame_number;
1800 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1801 if (enc->flags&CODEC_FLAG_PSNR)
1802 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1804 fprintf(vstats_file,"f_size= %6d ", frame_size);
1805 /* compute pts value */
1806 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1810 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1811 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1812 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1813 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1814 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1819 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1820 AVFrame *in_picture, float quality)
1822 int nb_frames, i, ret, format_video_sync;
1823 AVCodecContext *enc;
1824 double sync_ipts, delta;
1825 double duration = 0;
1827 InputStream *ist = NULL;
1829 if (ost->source_index >= 0)
1830 ist = input_streams[ost->source_index];
1832 enc = ost->st->codec;
1834 if (ist && ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1835 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1836 if(ist->st->r_frame_rate.num)
1837 duration= FFMAX(duration, 1/av_q2d(ist->st->r_frame_rate));
1838 if(ist->st->avg_frame_rate.num && 0)
1839 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1841 duration /= av_q2d(enc->time_base);
1844 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1845 delta = sync_ipts - ost->sync_opts + duration;
1847 /* by default, we output a single frame */
1850 format_video_sync = video_sync_method;
1851 if (format_video_sync == VSYNC_AUTO)
1852 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1854 switch (format_video_sync) {
1856 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1859 else if (delta > 1.1)
1860 nb_frames = lrintf(delta);
1865 else if (delta > 0.6)
1866 ost->sync_opts = lrintf(sync_ipts);
1869 case VSYNC_PASSTHROUGH:
1870 ost->sync_opts = lrintf(sync_ipts);
1876 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1877 if (nb_frames == 0) {
1879 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1881 } else if (nb_frames > 1) {
1882 nb_frames_dup += nb_frames - 1;
1883 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1886 /* duplicates frame if needed */
1887 for (i = 0; i < nb_frames; i++) {
1889 av_init_packet(&pkt);
1893 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1894 enc->codec->id == CODEC_ID_RAWVIDEO) {
1895 /* raw pictures are written as AVPicture structure to
1896 avoid any copies. We support temporarily the older
1898 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1899 enc->coded_frame->top_field_first = in_picture->top_field_first;
1900 pkt.data = (uint8_t *)in_picture;
1901 pkt.size = sizeof(AVPicture);
1902 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1903 pkt.flags |= AV_PKT_FLAG_KEY;
1905 write_frame(s, &pkt, ost);
1908 AVFrame big_picture;
1910 big_picture = *in_picture;
1911 /* better than nothing: use input picture interlaced
1913 big_picture.interlaced_frame = in_picture->interlaced_frame;
1914 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1915 if (ost->top_field_first == -1)
1916 big_picture.top_field_first = in_picture->top_field_first;
1918 big_picture.top_field_first = !!ost->top_field_first;
1921 /* handles same_quant here. This is not correct because it may
1922 not be a global option */
1923 big_picture.quality = quality;
1924 if (!enc->me_threshold)
1925 big_picture.pict_type = 0;
1926 big_picture.pts = ost->sync_opts;
1927 if (ost->forced_kf_index < ost->forced_kf_count &&
1928 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1929 big_picture.pict_type = AV_PICTURE_TYPE_I;
1930 ost->forced_kf_index++;
1932 update_benchmark(NULL);
1933 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1934 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
1936 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1941 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1942 pkt.pts = ost->sync_opts;
1944 if (pkt.pts != AV_NOPTS_VALUE)
1945 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1946 if (pkt.dts != AV_NOPTS_VALUE)
1947 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1950 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1951 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1952 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1953 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1956 write_frame(s, &pkt, ost);
1957 frame_size = pkt.size;
1958 video_size += pkt.size;
1959 av_free_packet(&pkt);
1961 /* if two pass, output log */
1962 if (ost->logfile && enc->stats_out) {
1963 fprintf(ost->logfile, "%s", enc->stats_out);
1969 * For video, number of frames in == number of packets out.
1970 * But there may be reordering, so we can't throw away frames on encoder
1971 * flush, we need to limit them here, before they go into encoder.
1973 ost->frame_number++;
1975 if (vstats_filename && frame_size)
1976 do_video_stats(output_files[ost->file_index]->ctx, ost, frame_size);
1979 /* check for new output on any of the filtergraphs */
1980 static int poll_filters(void)
1982 AVFilterBufferRef *picref;
1983 AVFrame *filtered_frame = NULL;
1986 for (i = 0; i < nb_output_streams; i++) {
1987 OutputStream *ost = output_streams[i];
1988 OutputFile *of = output_files[ost->file_index];
1990 if (!ost->filter || ost->is_past_recording_time)
1993 if (!ost->filtered_frame && !(ost->filtered_frame = avcodec_alloc_frame())) {
1994 return AVERROR(ENOMEM);
1996 avcodec_get_frame_defaults(ost->filtered_frame);
1997 filtered_frame = ost->filtered_frame;
1999 while (avfilter_poll_frame(ost->filter->filter->inputs[0])) {
2000 AVRational ist_pts_tb = ost->filter->filter->inputs[0]->time_base;
2001 if ((ret = av_buffersink_get_buffer_ref(ost->filter->filter,
2004 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2007 filtered_frame->pts = av_rescale_q(picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2008 // if (ost->source_index >= 0)
2009 // *filtered_frame= *input_streams[ost->source_index]->decoded_frame; //for me_threshold
2011 if (of->start_time && filtered_frame->pts < of->start_time)
2014 switch (ost->filter->filter->inputs[0]->type) {
2015 case AVMEDIA_TYPE_VIDEO:
2016 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, picref);
2017 if (!ost->frame_aspect_ratio)
2018 ost->st->codec->sample_aspect_ratio = picref->video->sample_aspect_ratio;
2020 do_video_out(of->ctx, ost, filtered_frame,
2021 same_quant ? ost->last_quality :
2022 ost->st->codec->global_quality);
2025 // TODO support audio/subtitle filters
2029 avfilter_unref_buffer(picref);
2035 static void print_report(int is_last_report, int64_t timer_start, int64_t cur_time)
2039 AVFormatContext *oc;
2041 AVCodecContext *enc;
2042 int frame_number, vid, i;
2044 int64_t pts = INT64_MAX;
2045 static int64_t last_time = -1;
2046 static int qp_histogram[52];
2047 int hours, mins, secs, us;
2049 if (!print_stats && !is_last_report)
2052 if (!is_last_report) {
2053 if (last_time == -1) {
2054 last_time = cur_time;
2057 if ((cur_time - last_time) < 500000)
2059 last_time = cur_time;
2063 oc = output_files[0]->ctx;
2065 total_size = avio_size(oc->pb);
2066 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
2067 total_size = avio_tell(oc->pb);
2074 for (i = 0; i < nb_output_streams; i++) {
2076 ost = output_streams[i];
2077 enc = ost->st->codec;
2078 if (!ost->stream_copy && enc->coded_frame)
2079 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
2080 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2081 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
2083 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
2084 float fps, t = (cur_time-timer_start) / 1000000.0;
2086 frame_number = ost->frame_number;
2087 fps = t > 1 ? frame_number / t : 0;
2088 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3.*f q=%3.1f ",
2089 frame_number, fps < 9.95, fps, q);
2091 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
2095 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
2097 for (j = 0; j < 32; j++)
2098 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
2100 if (enc->flags&CODEC_FLAG_PSNR) {
2102 double error, error_sum = 0;
2103 double scale, scale_sum = 0;
2104 char type[3] = { 'Y','U','V' };
2105 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
2106 for (j = 0; j < 3; j++) {
2107 if (is_last_report) {
2108 error = enc->error[j];
2109 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
2111 error = enc->coded_frame->error[j];
2112 scale = enc->width * enc->height * 255.0 * 255.0;
2118 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
2120 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
2124 /* compute min output value */
2125 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
2126 ost->st->time_base, AV_TIME_BASE_Q));
2129 secs = pts / AV_TIME_BASE;
2130 us = pts % AV_TIME_BASE;
2136 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
2138 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2139 "size=%8.0fkB time=", total_size / 1024.0);
2140 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2141 "%02d:%02d:%02d.%02d ", hours, mins, secs,
2142 (100 * us) / AV_TIME_BASE);
2143 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
2144 "bitrate=%6.1fkbits/s", bitrate);
2146 if (nb_frames_dup || nb_frames_drop)
2147 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
2148 nb_frames_dup, nb_frames_drop);
2150 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
2154 if (is_last_report) {
2155 int64_t raw= audio_size + video_size + extra_size;
2156 av_log(NULL, AV_LOG_INFO, "\n");
2157 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
2158 video_size / 1024.0,
2159 audio_size / 1024.0,
2160 extra_size / 1024.0,
2161 100.0 * (total_size - raw) / raw
2163 if(video_size + audio_size + extra_size == 0){
2164 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
2169 static void flush_encoders(void)
2173 for (i = 0; i < nb_output_streams; i++) {
2174 OutputStream *ost = output_streams[i];
2175 AVCodecContext *enc = ost->st->codec;
2176 AVFormatContext *os = output_files[ost->file_index]->ctx;
2177 int stop_encoding = 0;
2179 if (!ost->encoding_needed)
2182 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
2184 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
2189 int fifo_bytes, got_packet;
2190 av_init_packet(&pkt);
2194 switch (ost->st->codec->codec_type) {
2195 case AVMEDIA_TYPE_AUDIO:
2196 fifo_bytes = av_fifo_size(ost->fifo);
2197 if (fifo_bytes > 0) {
2198 /* encode any samples remaining in fifo */
2199 int frame_bytes = fifo_bytes;
2201 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
2203 /* pad last frame with silence if needed */
2204 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
2205 frame_bytes = enc->frame_size * enc->channels *
2206 av_get_bytes_per_sample(enc->sample_fmt);
2207 if (allocated_audio_buf_size < frame_bytes)
2209 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
2211 encode_audio_frame(os, ost, audio_buf, frame_bytes);
2213 /* flush encoder with NULL frames until it is done
2214 returning packets */
2215 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
2221 case AVMEDIA_TYPE_VIDEO:
2222 update_benchmark(NULL);
2223 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
2224 update_benchmark("encode_video %d.%d", ost->file_index, ost->index);
2226 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
2229 video_size += pkt.size;
2230 if (ost->logfile && enc->stats_out) {
2231 fprintf(ost->logfile, "%s", enc->stats_out);
2237 if (pkt.pts != AV_NOPTS_VALUE)
2238 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
2239 if (pkt.dts != AV_NOPTS_VALUE)
2240 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
2241 write_frame(os, &pkt, ost);
2253 * Check whether a packet from ist should be written into ost at this time
2255 static int check_output_constraints(InputStream *ist, OutputStream *ost)
2257 OutputFile *of = output_files[ost->file_index];
2258 int ist_index = input_files[ist->file_index]->ist_index + ist->st->index;
2260 if (ost->source_index != ist_index)
2263 if (of->start_time && ist->pts < of->start_time)
2266 if (of->recording_time != INT64_MAX &&
2267 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
2268 (AVRational){ 1, 1000000 }) >= 0) {
2269 ost->is_past_recording_time = 1;
2276 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
2278 OutputFile *of = output_files[ost->file_index];
2279 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
2283 av_init_packet(&opkt);
2285 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
2286 !ost->copy_initial_nonkeyframes)
2289 /* force the input stream PTS */
2290 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
2291 audio_size += pkt->size;
2292 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
2293 video_size += pkt->size;
2297 if (pkt->pts != AV_NOPTS_VALUE)
2298 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
2300 opkt.pts = AV_NOPTS_VALUE;
2302 if (pkt->dts == AV_NOPTS_VALUE)
2303 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
2305 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
2306 opkt.dts -= ost_tb_start_time;
2308 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
2309 opkt.flags = pkt->flags;
2311 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
2312 if ( ost->st->codec->codec_id != CODEC_ID_H264
2313 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
2314 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
2315 && ost->st->codec->codec_id != CODEC_ID_VC1
2317 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
2318 opkt.destruct = av_destruct_packet;
2320 opkt.data = pkt->data;
2321 opkt.size = pkt->size;
2323 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
2324 /* store AVPicture in AVPacket, as expected by the output format */
2325 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
2326 opkt.data = (uint8_t *)&pict;
2327 opkt.size = sizeof(AVPicture);
2328 opkt.flags |= AV_PKT_FLAG_KEY;
2331 write_frame(of->ctx, &opkt, ost);
2332 ost->st->codec->frame_number++;
2333 av_free_packet(&opkt);
2336 static void rate_emu_sleep(InputStream *ist)
2338 if (input_files[ist->file_index]->rate_emu) {
2339 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
2340 int64_t now = av_gettime() - ist->start;
2346 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
2348 AVFrame *decoded_frame;
2349 AVCodecContext *avctx = ist->st->codec;
2350 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
2353 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2354 return AVERROR(ENOMEM);
2356 avcodec_get_frame_defaults(ist->decoded_frame);
2357 decoded_frame = ist->decoded_frame;
2359 update_benchmark(NULL);
2360 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
2361 update_benchmark("decode_audio %d.%d", ist->file_index, ist->st->index);
2365 if (avctx->sample_rate <= 0) {
2366 av_log(avctx, AV_LOG_ERROR, "Sample rate %d invalid\n", avctx->sample_rate);
2367 return AVERROR_INVALIDDATA;
2371 /* no audio frame */
2375 /* if the decoder provides a pts, use it instead of the last packet pts.
2376 the decoder could be delaying output by a packet or more. */
2377 if (decoded_frame->pts != AV_NOPTS_VALUE)
2378 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2380 /* increment next_dts to use for the case where the input stream does not
2381 have timestamps or there are multiple frames in the packet */
2382 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2384 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2388 // preprocess audio (volume)
2389 if (audio_volume != 256) {
2390 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2391 void *samples = decoded_frame->data[0];
2392 switch (avctx->sample_fmt) {
2393 case AV_SAMPLE_FMT_U8:
2395 uint8_t *volp = samples;
2396 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2397 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2398 *volp++ = av_clip_uint8(v);
2402 case AV_SAMPLE_FMT_S16:
2404 int16_t *volp = samples;
2405 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2406 int v = ((*volp) * audio_volume + 128) >> 8;
2407 *volp++ = av_clip_int16(v);
2411 case AV_SAMPLE_FMT_S32:
2413 int32_t *volp = samples;
2414 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2415 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2416 *volp++ = av_clipl_int32(v);
2420 case AV_SAMPLE_FMT_FLT:
2422 float *volp = samples;
2423 float scale = audio_volume / 256.f;
2424 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2429 case AV_SAMPLE_FMT_DBL:
2431 double *volp = samples;
2432 double scale = audio_volume / 256.;
2433 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2439 av_log(NULL, AV_LOG_FATAL,
2440 "Audio volume adjustment on sample format %s is not supported.\n",
2441 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2446 rate_emu_sleep(ist);
2448 for (i = 0; i < nb_output_streams; i++) {
2449 OutputStream *ost = output_streams[i];
2451 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2453 do_audio_out(output_files[ost->file_index]->ctx, ost, ist, decoded_frame);
2459 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2461 AVFrame *decoded_frame;
2462 void *buffer_to_free = NULL;
2463 int i, ret = 0, resample_changed;
2464 int64_t *best_effort_timestamp;
2465 AVRational *frame_sample_aspect;
2468 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2469 return AVERROR(ENOMEM);
2471 avcodec_get_frame_defaults(ist->decoded_frame);
2472 decoded_frame = ist->decoded_frame;
2473 pkt->pts = *pkt_pts;
2474 pkt->dts = ist->dts;
2475 *pkt_pts = AV_NOPTS_VALUE;
2477 update_benchmark(NULL);
2478 ret = avcodec_decode_video2(ist->st->codec,
2479 decoded_frame, got_output, pkt);
2480 update_benchmark("decode_video %d.%d", ist->file_index, ist->st->index);
2484 quality = same_quant ? decoded_frame->quality : 0;
2486 /* no picture yet */
2490 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2491 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2492 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2496 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2498 rate_emu_sleep(ist);
2500 if (ist->st->sample_aspect_ratio.num)
2501 decoded_frame->sample_aspect_ratio = ist->st->sample_aspect_ratio;
2503 resample_changed = ist->resample_width != decoded_frame->width ||
2504 ist->resample_height != decoded_frame->height ||
2505 ist->resample_pix_fmt != decoded_frame->format;
2506 if (resample_changed) {
2507 av_log(NULL, AV_LOG_INFO,
2508 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
2509 ist->file_index, ist->st->index,
2510 ist->resample_width, ist->resample_height, av_get_pix_fmt_name(ist->resample_pix_fmt),
2511 decoded_frame->width, decoded_frame->height, av_get_pix_fmt_name(decoded_frame->format));
2513 ist->resample_width = decoded_frame->width;
2514 ist->resample_height = decoded_frame->height;
2515 ist->resample_pix_fmt = decoded_frame->format;
2517 for (i = 0; i < nb_filtergraphs; i++)
2518 if (ist_in_filtergraph(filtergraphs[i], ist) &&
2519 configure_filtergraph(filtergraphs[i]) < 0) {
2520 av_log(NULL, AV_LOG_FATAL, "Error reinitializing filters!\n");
2525 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2526 for (i = 0; i < ist->nb_filters; i++) {
2527 int changed = ist->st->codec->width != ist->filters[i]->filter->outputs[0]->w
2528 || ist->st->codec->height != ist->filters[i]->filter->outputs[0]->h
2529 || ist->st->codec->pix_fmt != ist->filters[i]->filter->outputs[0]->format;
2530 // XXX what an ugly hack
2531 if (ist->filters[i]->graph->nb_outputs == 1)
2532 ist->filters[i]->graph->outputs[0]->ost->last_quality = quality;
2534 if (!frame_sample_aspect->num)
2535 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2536 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER && !changed) {
2537 FrameBuffer *buf = decoded_frame->opaque;
2538 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2539 decoded_frame->data, decoded_frame->linesize,
2540 AV_PERM_READ | AV_PERM_PRESERVE,
2541 ist->st->codec->width, ist->st->codec->height,
2542 ist->st->codec->pix_fmt);
2544 avfilter_copy_frame_props(fb, decoded_frame);
2545 fb->buf->priv = buf;
2546 fb->buf->free = filter_release_buffer;
2549 av_buffersrc_buffer(ist->filters[i]->filter, fb);
2551 if(av_vsrc_buffer_add_frame(ist->filters[i]->filter, decoded_frame,AV_VSRC_BUF_FLAG_OVERWRITE)<0) {
2552 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2558 av_free(buffer_to_free);
2562 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2564 AVSubtitle subtitle;
2565 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2566 &subtitle, got_output, pkt);
2572 rate_emu_sleep(ist);
2574 for (i = 0; i < nb_output_streams; i++) {
2575 OutputStream *ost = output_streams[i];
2577 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2580 do_subtitle_out(output_files[ost->file_index]->ctx, ost, ist, &subtitle, pkt->pts);
2583 avsubtitle_free(&subtitle);
2587 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2588 static int output_packet(InputStream *ist, const AVPacket *pkt)
2592 int64_t pkt_pts = AV_NOPTS_VALUE;
2596 if (ist->next_dts == AV_NOPTS_VALUE)
2597 ist->next_dts = ist->dts;
2598 if (ist->next_pts == AV_NOPTS_VALUE)
2599 ist->next_pts = ist->pts;
2603 av_init_packet(&avpkt);
2611 if (pkt->dts != AV_NOPTS_VALUE) {
2612 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2613 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2614 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2616 if(pkt->pts != AV_NOPTS_VALUE)
2617 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2619 // while we have more to decode or while the decoder did output something on EOF
2620 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2624 ist->pts = ist->next_pts;
2625 ist->dts = ist->next_dts;
2627 if (avpkt.size && avpkt.size != pkt->size) {
2628 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2629 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2630 ist->showed_multi_packet_warning = 1;
2633 switch (ist->st->codec->codec_type) {
2634 case AVMEDIA_TYPE_AUDIO:
2635 ret = transcode_audio (ist, &avpkt, &got_output);
2637 case AVMEDIA_TYPE_VIDEO:
2638 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2639 if (avpkt.duration) {
2640 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2641 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2642 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2643 duration = ((int64_t)AV_TIME_BASE *
2644 ist->st->codec->time_base.num * ticks) /
2645 ist->st->codec->time_base.den;
2649 if(ist->dts != AV_NOPTS_VALUE && duration) {
2650 ist->next_dts += duration;
2652 ist->next_dts = AV_NOPTS_VALUE;
2655 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2657 case AVMEDIA_TYPE_SUBTITLE:
2658 ret = transcode_subtitles(ist, &avpkt, &got_output);
2668 avpkt.pts= AV_NOPTS_VALUE;
2670 // touch data and size only if not EOF
2672 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2682 /* handle stream copy */
2683 if (!ist->decoding_needed) {
2684 rate_emu_sleep(ist);
2685 ist->dts = ist->next_dts;
2686 switch (ist->st->codec->codec_type) {
2687 case AVMEDIA_TYPE_AUDIO:
2688 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2689 ist->st->codec->sample_rate;
2691 case AVMEDIA_TYPE_VIDEO:
2692 if (pkt->duration) {
2693 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2694 } else if(ist->st->codec->time_base.num != 0) {
2695 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2696 ist->next_dts += ((int64_t)AV_TIME_BASE *
2697 ist->st->codec->time_base.num * ticks) /
2698 ist->st->codec->time_base.den;
2702 ist->pts = ist->dts;
2703 ist->next_pts = ist->next_dts;
2705 for (i = 0; pkt && i < nb_output_streams; i++) {
2706 OutputStream *ost = output_streams[i];
2708 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2711 do_streamcopy(ist, ost, pkt);
2717 static void print_sdp(void)
2721 AVFormatContext **avc = av_malloc(sizeof(*avc) * nb_output_files);
2725 for (i = 0; i < nb_output_files; i++)
2726 avc[i] = output_files[i]->ctx;
2728 av_sdp_create(avc, nb_output_files, sdp, sizeof(sdp));
2729 printf("SDP:\n%s\n", sdp);
2734 static void get_default_channel_layouts(OutputStream *ost, InputStream *ist)
2736 char layout_name[256];
2737 AVCodecContext *enc = ost->st->codec;
2738 AVCodecContext *dec = ist->st->codec;
2740 if (!dec->channel_layout) {
2741 if (enc->channel_layout && dec->channels == enc->channels) {
2742 dec->channel_layout = enc->channel_layout;
2744 dec->channel_layout = av_get_default_channel_layout(dec->channels);
2746 if (!dec->channel_layout) {
2747 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel "
2748 "layout for Input Stream #%d.%d\n", ist->file_index,
2753 av_get_channel_layout_string(layout_name, sizeof(layout_name),
2754 dec->channels, dec->channel_layout);
2755 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Input Stream "
2756 "#%d.%d : %s\n", ist->file_index, ist->st->index, layout_name);
2758 if (!enc->channel_layout) {
2759 if (dec->channels == enc->channels) {
2760 enc->channel_layout = dec->channel_layout;
2763 enc->channel_layout = av_get_default_channel_layout(enc->channels);
2765 if (!enc->channel_layout) {
2766 av_log(NULL, AV_LOG_FATAL, "Unable to find default channel layout "
2767 "for Output Stream #%d.%d\n", ost->file_index,
2771 av_get_channel_layout_string(layout_name, sizeof(layout_name),
2772 enc->channels, enc->channel_layout);
2773 av_log(NULL, AV_LOG_WARNING, "Guessed Channel Layout for Output Stream "
2774 "#%d.%d : %s\n", ost->file_index, ost->st->index, layout_name);
2779 static int init_input_stream(int ist_index, char *error, int error_len)
2782 InputStream *ist = input_streams[ist_index];
2784 if (ist->decoding_needed) {
2785 AVCodec *codec = ist->dec;
2787 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2788 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2789 return AVERROR(EINVAL);
2792 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2793 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2794 ist->st->codec->get_buffer = codec_get_buffer;
2795 ist->st->codec->release_buffer = codec_release_buffer;
2796 ist->st->codec->opaque = ist;
2799 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2800 av_dict_set(&ist->opts, "threads", "auto", 0);
2801 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2802 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2803 ist->file_index, ist->st->index);
2804 return AVERROR(EINVAL);
2806 assert_codec_experimental(ist->st->codec, 0);
2807 assert_avoptions(ist->opts);
2809 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
2810 for (i = 0; i < nb_output_streams; i++) {
2811 OutputStream *ost = output_streams[i];
2812 if (ost->source_index == ist_index) {
2813 if (!ist->st->codec->channel_layout || !ost->st->codec->channel_layout)
2814 get_default_channel_layouts(ost, ist);
2821 ist->dts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames * AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
2822 ist->next_pts = AV_NOPTS_VALUE;
2823 ist->next_dts = AV_NOPTS_VALUE;
2829 static InputStream *get_input_stream(OutputStream *ost)
2831 if (ost->source_index >= 0)
2832 return input_streams[ost->source_index];
2835 FilterGraph *fg = ost->filter->graph;
2838 for (i = 0; i < fg->nb_inputs; i++)
2839 if (fg->inputs[i]->ist->st->codec->codec_type == ost->st->codec->codec_type)
2840 return fg->inputs[i]->ist;
2846 static int transcode_init(void)
2848 int ret = 0, i, j, k;
2849 AVFormatContext *oc;
2850 AVCodecContext *codec, *icodec;
2856 /* init framerate emulation */
2857 for (i = 0; i < nb_input_files; i++) {
2858 InputFile *ifile = input_files[i];
2859 if (ifile->rate_emu)
2860 for (j = 0; j < ifile->nb_streams; j++)
2861 input_streams[j + ifile->ist_index]->start = av_gettime();
2864 /* output stream init */
2865 for (i = 0; i < nb_output_files; i++) {
2866 oc = output_files[i]->ctx;
2867 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2868 av_dump_format(oc, i, oc->filename, 1);
2869 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2870 return AVERROR(EINVAL);
2874 /* init complex filtergraphs */
2875 for (i = 0; i < nb_filtergraphs; i++)
2876 if ((ret = avfilter_graph_config(filtergraphs[i]->graph, NULL)) < 0)
2879 /* for each output stream, we compute the right encoding parameters */
2880 for (i = 0; i < nb_output_streams; i++) {
2881 ost = output_streams[i];
2882 oc = output_files[ost->file_index]->ctx;
2883 ist = get_input_stream(ost);
2885 if (ost->attachment_filename)
2888 codec = ost->st->codec;
2891 icodec = ist->st->codec;
2893 ost->st->disposition = ist->st->disposition;
2894 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2895 codec->chroma_sample_location = icodec->chroma_sample_location;
2898 if (ost->stream_copy) {
2899 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2901 if (extra_size > INT_MAX) {
2902 return AVERROR(EINVAL);
2905 /* if stream_copy is selected, no need to decode or encode */
2906 codec->codec_id = icodec->codec_id;
2907 codec->codec_type = icodec->codec_type;
2909 if (!codec->codec_tag) {
2910 if (!oc->oformat->codec_tag ||
2911 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2912 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2913 codec->codec_tag = icodec->codec_tag;
2916 codec->bit_rate = icodec->bit_rate;
2917 codec->rc_max_rate = icodec->rc_max_rate;
2918 codec->rc_buffer_size = icodec->rc_buffer_size;
2919 codec->field_order = icodec->field_order;
2920 codec->extradata = av_mallocz(extra_size);
2921 if (!codec->extradata) {
2922 return AVERROR(ENOMEM);
2924 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2925 codec->extradata_size= icodec->extradata_size;
2927 codec->time_base = ist->st->time_base;
2929 * Avi is a special case here because it supports variable fps but
2930 * having the fps and timebase differe significantly adds quite some
2933 if(!strcmp(oc->oformat->name, "avi")) {
2934 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2935 && av_q2d(ist->st->time_base) < 1.0/500
2937 codec->time_base = icodec->time_base;
2938 codec->time_base.num *= icodec->ticks_per_frame;
2939 codec->time_base.den *= 2;
2940 codec->ticks_per_frame = 2;
2942 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2943 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2944 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2946 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2947 && av_q2d(ist->st->time_base) < 1.0/500
2949 codec->time_base = icodec->time_base;
2950 codec->time_base.num *= icodec->ticks_per_frame;
2953 av_reduce(&codec->time_base.num, &codec->time_base.den,
2954 codec->time_base.num, codec->time_base.den, INT_MAX);
2956 switch (codec->codec_type) {
2957 case AVMEDIA_TYPE_AUDIO:
2958 if (audio_volume != 256) {
2959 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2962 codec->channel_layout = icodec->channel_layout;
2963 codec->sample_rate = icodec->sample_rate;
2964 codec->channels = icodec->channels;
2965 codec->frame_size = icodec->frame_size;
2966 codec->audio_service_type = icodec->audio_service_type;
2967 codec->block_align = icodec->block_align;
2969 case AVMEDIA_TYPE_VIDEO:
2970 codec->pix_fmt = icodec->pix_fmt;
2971 codec->width = icodec->width;
2972 codec->height = icodec->height;
2973 codec->has_b_frames = icodec->has_b_frames;
2974 if (!codec->sample_aspect_ratio.num) {
2975 codec->sample_aspect_ratio =
2976 ost->st->sample_aspect_ratio =
2977 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2978 ist->st->codec->sample_aspect_ratio.num ?
2979 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2981 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2983 case AVMEDIA_TYPE_SUBTITLE:
2984 codec->width = icodec->width;
2985 codec->height = icodec->height;
2987 case AVMEDIA_TYPE_DATA:
2988 case AVMEDIA_TYPE_ATTACHMENT:
2995 ost->enc = avcodec_find_encoder(codec->codec_id);
2998 ist->decoding_needed = 1;
2999 ost->encoding_needed = 1;
3001 switch (codec->codec_type) {
3002 case AVMEDIA_TYPE_AUDIO:
3003 ost->fifo = av_fifo_alloc(1024);
3005 return AVERROR(ENOMEM);
3007 if (!codec->sample_rate)
3008 codec->sample_rate = icodec->sample_rate;
3009 choose_sample_rate(ost->st, ost->enc);
3010 codec->time_base = (AVRational){ 1, codec->sample_rate };
3012 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
3013 codec->sample_fmt = icodec->sample_fmt;
3014 choose_sample_fmt(ost->st, ost->enc);
3016 if (ost->audio_channels_mapped) {
3017 /* the requested output channel is set to the number of
3018 * -map_channel only if no -ac are specified */
3019 if (!codec->channels) {
3020 codec->channels = ost->audio_channels_mapped;
3021 codec->channel_layout = av_get_default_channel_layout(codec->channels);
3022 if (!codec->channel_layout) {
3023 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
3027 /* fill unused channel mapping with -1 (which means a muted
3028 * channel in case the number of output channels is bigger
3029 * than the number of mapped channel) */
3030 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
3031 ost->audio_channels_map[j] = -1;
3032 } else if (!codec->channels) {
3033 codec->channels = icodec->channels;
3034 codec->channel_layout = icodec->channel_layout;
3036 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
3037 codec->channel_layout = 0;
3039 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
3040 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
3041 || codec->channel_layout != icodec->channel_layout;
3042 icodec->request_channels = codec->channels;
3043 ost->resample_sample_fmt = icodec->sample_fmt;
3044 ost->resample_sample_rate = icodec->sample_rate;
3045 ost->resample_channels = icodec->channels;
3047 case AVMEDIA_TYPE_VIDEO:
3050 fg = init_simple_filtergraph(ist, ost);
3051 if (configure_video_filters(fg)) {
3052 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
3057 if (ist && !ost->frame_rate.num)
3058 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
3059 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
3060 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
3061 ost->frame_rate = ost->enc->supported_framerates[idx];
3063 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
3064 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
3065 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
3066 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not efficiently supporting it.\n"
3067 "Please consider specifying a lower framerate, a different muxer or -vsync 2\n");
3069 for (j = 0; j < ost->forced_kf_count; j++)
3070 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
3074 codec->width = ost->filter->filter->inputs[0]->w;
3075 codec->height = ost->filter->filter->inputs[0]->h;
3076 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
3077 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
3078 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
3079 ost->filter->filter->inputs[0]->sample_aspect_ratio;
3080 codec->pix_fmt = ost->filter->filter->inputs[0]->format;
3082 if (codec->width != icodec->width ||
3083 codec->height != icodec->height ||
3084 codec->pix_fmt != icodec->pix_fmt) {
3085 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
3089 case AVMEDIA_TYPE_SUBTITLE:
3090 codec->time_base = (AVRational){1, 1000};
3097 if (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2)) {
3098 char logfilename[1024];
3101 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
3102 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
3104 if (!strcmp(ost->enc->name, "libx264")) {
3105 av_dict_set(&ost->opts, "stats", logfilename, AV_DICT_DONT_OVERWRITE);
3107 if (codec->flags & CODEC_FLAG_PASS2) {
3109 size_t logbuffer_size;
3110 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
3111 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
3115 codec->stats_in = logbuffer;
3117 if (codec->flags & CODEC_FLAG_PASS1) {
3118 f = fopen(logfilename, "wb");
3120 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
3121 logfilename, strerror(errno));
3131 /* open each encoder */
3132 for (i = 0; i < nb_output_streams; i++) {
3133 ost = output_streams[i];
3134 if (ost->encoding_needed) {
3135 AVCodec *codec = ost->enc;
3136 AVCodecContext *dec = NULL;
3138 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
3139 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
3140 ret = AVERROR(EINVAL);
3144 if ((ist = get_input_stream(ost)))
3145 dec = ist->st->codec;
3146 if (dec && dec->subtitle_header) {
3147 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
3148 if (!ost->st->codec->subtitle_header) {
3149 ret = AVERROR(ENOMEM);
3152 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
3153 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
3155 if (!av_dict_get(ost->opts, "threads", NULL, 0))
3156 av_dict_set(&ost->opts, "threads", "auto", 0);
3157 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
3158 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
3159 ost->file_index, ost->index);
3160 ret = AVERROR(EINVAL);
3163 assert_codec_experimental(ost->st->codec, 1);
3164 assert_avoptions(ost->opts);
3165 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
3166 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
3167 " It takes bits/s as argument, not kbits/s\n");
3168 extra_size += ost->st->codec->extradata_size;
3170 if (ost->st->codec->me_threshold)
3171 input_streams[ost->source_index]->st->codec->debug |= FF_DEBUG_MV;
3175 /* init input streams */
3176 for (i = 0; i < nb_input_streams; i++)
3177 if ((ret = init_input_stream(i, error, sizeof(error))) < 0)
3180 /* discard unused programs */
3181 for (i = 0; i < nb_input_files; i++) {
3182 InputFile *ifile = input_files[i];
3183 for (j = 0; j < ifile->ctx->nb_programs; j++) {
3184 AVProgram *p = ifile->ctx->programs[j];
3185 int discard = AVDISCARD_ALL;
3187 for (k = 0; k < p->nb_stream_indexes; k++)
3188 if (!input_streams[ifile->ist_index + p->stream_index[k]]->discard) {
3189 discard = AVDISCARD_DEFAULT;
3192 p->discard = discard;
3196 /* open files and write file headers */
3197 for (i = 0; i < nb_output_files; i++) {
3198 oc = output_files[i]->ctx;
3199 oc->interrupt_callback = int_cb;
3200 if (avformat_write_header(oc, &output_files[i]->opts) < 0) {
3201 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
3202 ret = AVERROR(EINVAL);
3205 // assert_avoptions(output_files[i]->opts);
3206 if (strcmp(oc->oformat->name, "rtp")) {
3212 /* dump the file output parameters - cannot be done before in case
3214 for (i = 0; i < nb_output_files; i++) {
3215 av_dump_format(output_files[i]->ctx, i, output_files[i]->ctx->filename, 1);
3218 /* dump the stream mapping */
3219 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
3220 for (i = 0; i < nb_input_streams; i++) {
3221 ist = input_streams[i];
3223 for (j = 0; j < ist->nb_filters; j++) {
3224 AVFilterLink *link = ist->filters[j]->filter->outputs[0];
3225 if (ist->filters[j]->graph->graph_desc) {
3226 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d (%s) -> %s",
3227 ist->file_index, ist->st->index, ist->dec ? ist->dec->name : "?",
3228 link->dst->filter->name);
3229 if (link->dst->input_count > 1)
3230 av_log(NULL, AV_LOG_INFO, ":%s", link->dstpad->name);
3231 if (nb_filtergraphs > 1)
3232 av_log(NULL, AV_LOG_INFO, " (graph %d)", ist->filters[j]->graph->index);
3233 av_log(NULL, AV_LOG_INFO, "\n");
3238 for (i = 0; i < nb_output_streams; i++) {
3239 ost = output_streams[i];
3241 if (ost->attachment_filename) {
3242 /* an attached file */
3243 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
3244 ost->attachment_filename, ost->file_index, ost->index);
3248 if (ost->filter && ost->filter->graph->graph_desc) {
3249 /* output from a complex graph */
3250 AVFilterLink *link = ost->filter->filter->inputs[0];
3251 av_log(NULL, AV_LOG_INFO, " %s", link->src->filter->name);
3252 if (link->src->output_count > 1)
3253 av_log(NULL, AV_LOG_INFO, ":%s", link->srcpad->name);
3254 if (nb_filtergraphs > 1)
3255 av_log(NULL, AV_LOG_INFO, " (graph %d)", ost->filter->graph->index);
3257 av_log(NULL, AV_LOG_INFO, " -> Stream #%d:%d (%s)\n", ost->file_index,
3258 ost->index, ost->enc ? ost->enc->name : "?");
3262 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
3263 input_streams[ost->source_index]->file_index,
3264 input_streams[ost->source_index]->st->index,
3267 if (ost->audio_channels_mapped) {
3268 av_log(NULL, AV_LOG_INFO, " [ch:");
3269 for (j = 0; j < ost->audio_channels_mapped; j++)
3270 if (ost->audio_channels_map[j] == -1)
3271 av_log(NULL, AV_LOG_INFO, " M");
3273 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
3274 av_log(NULL, AV_LOG_INFO, "]");
3276 if (ost->sync_ist != input_streams[ost->source_index])
3277 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
3278 ost->sync_ist->file_index,
3279 ost->sync_ist->st->index);
3280 if (ost->stream_copy)
3281 av_log(NULL, AV_LOG_INFO, " (copy)");
3283 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index]->dec ?
3284 input_streams[ost->source_index]->dec->name : "?",
3285 ost->enc ? ost->enc->name : "?");
3286 av_log(NULL, AV_LOG_INFO, "\n");
3290 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
3302 * The following code is the main loop of the file converter
3304 static int transcode(void)
3307 AVFormatContext *is, *os;
3311 int no_packet_count = 0;
3312 int64_t timer_start;
3315 if (!(no_packet = av_mallocz(nb_input_files)))
3318 ret = transcode_init();
3323 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
3326 timer_start = av_gettime();
3328 for (; received_sigterm == 0;) {
3329 int file_index, ist_index, past_recording_time = 1;
3332 int64_t cur_time= av_gettime();
3334 ipts_min = INT64_MAX;
3335 /* if 'q' pressed, exits */
3337 static int64_t last_time;
3338 if (received_nb_signals)
3340 /* read_key() returns 0 on EOF */
3341 if(cur_time - last_time >= 100000 && !run_as_daemon){
3343 last_time = cur_time;
3348 if (key == '+') av_log_set_level(av_log_get_level()+10);
3349 if (key == '-') av_log_set_level(av_log_get_level()-10);
3350 if (key == 's') qp_hist ^= 1;
3353 do_hex_dump = do_pkt_dump = 0;
3354 } else if(do_pkt_dump){
3358 av_log_set_level(AV_LOG_DEBUG);
3360 if (key == 'c' || key == 'C'){
3361 char buf[4096], target[64], command[256], arg[256] = {0};
3364 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
3366 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
3371 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
3372 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
3373 target, time, command, arg);
3374 for (i = 0; i < nb_filtergraphs; i++) {
3375 FilterGraph *fg = filtergraphs[i];
3378 ret = avfilter_graph_send_command(fg->graph, target, command, arg, buf, sizeof(buf),
3379 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
3380 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
3382 ret = avfilter_graph_queue_command(fg->graph, target, command, arg, 0, time);
3387 av_log(NULL, AV_LOG_ERROR,
3388 "Parse error, at least 3 arguments were expected, "
3389 "only %d given in string '%s'\n", n, buf);
3392 if (key == 'd' || key == 'D'){
3395 debug = input_streams[0]->st->codec->debug<<1;
3396 if(!debug) debug = 1;
3397 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
3400 if(scanf("%d", &debug)!=1)
3401 fprintf(stderr,"error parsing debug value\n");
3402 for(i=0;i<nb_input_streams;i++) {
3403 input_streams[i]->st->codec->debug = debug;
3405 for(i=0;i<nb_output_streams;i++) {
3406 ost = output_streams[i];
3407 ost->st->codec->debug = debug;
3409 if(debug) av_log_set_level(AV_LOG_DEBUG);
3410 fprintf(stderr,"debug=%d\n", debug);
3413 fprintf(stderr, "key function\n"
3414 "? show this help\n"
3415 "+ increase verbosity\n"
3416 "- decrease verbosity\n"
3417 "c Send command to filtergraph\n"
3418 "D cycle through available debug modes\n"
3419 "h dump packets/hex press to cycle through the 3 states\n"
3421 "s Show QP histogram\n"
3426 /* check if there's any stream where output is still needed */
3427 for (i = 0; i < nb_output_streams; i++) {
3429 ost = output_streams[i];
3430 of = output_files[ost->file_index];
3431 os = output_files[ost->file_index]->ctx;
3432 if (ost->is_past_recording_time ||
3433 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
3435 if (ost->frame_number > ost->max_frames) {
3437 for (j = 0; j < of->ctx->nb_streams; j++)
3438 output_streams[of->ost_index + j]->is_past_recording_time = 1;
3441 past_recording_time = 0;
3443 if (past_recording_time)
3446 /* select the stream that we must read now by looking at the
3447 smallest output pts */
3449 for (i = 0; i < nb_input_streams; i++) {
3451 ist = input_streams[i];
3453 if (ist->discard || no_packet[ist->file_index])
3455 if (!input_files[ist->file_index]->eof_reached) {
3456 if (ipts < ipts_min) {
3458 file_index = ist->file_index;
3462 /* if none, if is finished */
3463 if (file_index < 0) {
3464 if (no_packet_count) {
3465 no_packet_count = 0;
3466 memset(no_packet, 0, nb_input_files);
3473 /* read a frame from it and output it in the fifo */
3474 is = input_files[file_index]->ctx;
3475 ret = av_read_frame(is, &pkt);
3476 if (ret == AVERROR(EAGAIN)) {
3477 no_packet[file_index] = 1;
3482 input_files[file_index]->eof_reached = 1;
3489 no_packet_count = 0;
3490 memset(no_packet, 0, nb_input_files);
3493 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3494 is->streams[pkt.stream_index]);
3496 /* the following test is needed in case new streams appear
3497 dynamically in stream : we ignore them */
3498 if (pkt.stream_index >= input_files[file_index]->nb_streams)
3499 goto discard_packet;
3500 ist_index = input_files[file_index]->ist_index + pkt.stream_index;
3501 ist = input_streams[ist_index];
3503 goto discard_packet;
3505 if (pkt.dts != AV_NOPTS_VALUE)
3506 pkt.dts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3507 if (pkt.pts != AV_NOPTS_VALUE)
3508 pkt.pts += av_rescale_q(input_files[ist->file_index]->ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3510 if (pkt.pts != AV_NOPTS_VALUE)
3511 pkt.pts *= ist->ts_scale;
3512 if (pkt.dts != AV_NOPTS_VALUE)
3513 pkt.dts *= ist->ts_scale;
3516 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3517 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3518 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3519 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3520 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3521 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3522 input_files[ist->file_index]->ts_offset);
3525 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3526 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3527 int64_t delta = pkt_dts - ist->next_dts;
3528 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3529 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3530 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3531 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3532 pkt_dts+1<ist->pts){
3533 input_files[ist->file_index]->ts_offset -= delta;
3534 av_log(NULL, AV_LOG_DEBUG,
3535 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3536 delta, input_files[ist->file_index]->ts_offset);
3537 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3538 if (pkt.pts != AV_NOPTS_VALUE)
3539 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3542 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3543 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3544 pkt_dts+1<ist->pts){
3545 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid dropping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3546 pkt.dts = AV_NOPTS_VALUE;
3548 if (pkt.pts != AV_NOPTS_VALUE){
3549 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3550 delta = pkt_pts - ist->next_dts;
3551 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3552 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3553 pkt_pts+1<ist->pts) {
3554 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid dropping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3555 pkt.pts = AV_NOPTS_VALUE;
3561 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3562 if (output_packet(ist, &pkt) < 0 || poll_filters() < 0) {
3563 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3564 ist->file_index, ist->st->index);
3567 av_free_packet(&pkt);
3572 av_free_packet(&pkt);
3574 /* dump report by using the output first video and audio streams */
3575 print_report(0, timer_start, cur_time);
3578 /* at the end of stream, we must flush the decoder buffers */
3579 for (i = 0; i < nb_input_streams; i++) {
3580 ist = input_streams[i];
3581 if (ist->decoding_needed) {
3582 output_packet(ist, NULL);
3590 /* write the trailer if needed and close file */
3591 for (i = 0; i < nb_output_files; i++) {
3592 os = output_files[i]->ctx;
3593 av_write_trailer(os);
3596 /* dump report by using the first video and audio streams */
3597 print_report(1, timer_start, av_gettime());
3599 /* close each encoder */
3600 for (i = 0; i < nb_output_streams; i++) {
3601 ost = output_streams[i];
3602 if (ost->encoding_needed) {
3603 av_freep(&ost->st->codec->stats_in);
3604 avcodec_close(ost->st->codec);
3608 /* close each decoder */
3609 for (i = 0; i < nb_input_streams; i++) {
3610 ist = input_streams[i];
3611 if (ist->decoding_needed) {
3612 avcodec_close(ist->st->codec);
3620 av_freep(&no_packet);
3622 if (output_streams) {
3623 for (i = 0; i < nb_output_streams; i++) {
3624 ost = output_streams[i];
3626 if (ost->stream_copy)
3627 av_freep(&ost->st->codec->extradata);
3629 fclose(ost->logfile);
3630 ost->logfile = NULL;
3632 av_fifo_free(ost->fifo); /* works even if fifo is not
3633 initialized but set to zero */
3634 av_freep(&ost->st->codec->subtitle_header);
3635 av_free(ost->forced_kf_pts);
3636 swr_free(&ost->swr);
3637 av_dict_free(&ost->opts);
3644 static int opt_frame_crop(const char *opt, const char *arg)
3646 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3647 return AVERROR(EINVAL);
3650 static int opt_pad(const char *opt, const char *arg)
3652 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3656 static int opt_video_channel(const char *opt, const char *arg)
3658 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3659 return opt_default("channel", arg);
3662 static int opt_video_standard(const char *opt, const char *arg)
3664 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3665 return opt_default("standard", arg);
3668 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3670 audio_codec_name = arg;
3671 return parse_option(o, "codec:a", arg, options);
3674 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3676 video_codec_name = arg;
3677 return parse_option(o, "codec:v", arg, options);
3680 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3682 subtitle_codec_name = arg;
3683 return parse_option(o, "codec:s", arg, options);
3686 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3688 return parse_option(o, "codec:d", arg, options);
3691 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3693 StreamMap *m = NULL;
3694 int i, negative = 0, file_idx;
3695 int sync_file_idx = -1, sync_stream_idx = 0;
3703 map = av_strdup(arg);
3705 /* parse sync stream first, just pick first matching stream */
3706 if (sync = strchr(map, ',')) {
3708 sync_file_idx = strtol(sync + 1, &sync, 0);
3709 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3710 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3715 for (i = 0; i < input_files[sync_file_idx]->nb_streams; i++)
3716 if (check_stream_specifier(input_files[sync_file_idx]->ctx,
3717 input_files[sync_file_idx]->ctx->streams[i], sync) == 1) {
3718 sync_stream_idx = i;
3721 if (i == input_files[sync_file_idx]->nb_streams) {
3722 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3723 "match any streams.\n", arg);
3729 if (map[0] == '[') {
3730 /* this mapping refers to lavfi output */
3731 const char *c = map + 1;
3732 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3733 &o->nb_stream_maps, o->nb_stream_maps + 1);
3734 m = &o->stream_maps[o->nb_stream_maps - 1];
3735 m->linklabel = av_get_token(&c, "]");
3736 if (!m->linklabel) {
3737 av_log(NULL, AV_LOG_ERROR, "Invalid output link label: %s.\n", map);
3741 file_idx = strtol(map, &p, 0);
3742 if (file_idx >= nb_input_files || file_idx < 0) {
3743 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3747 /* disable some already defined maps */
3748 for (i = 0; i < o->nb_stream_maps; i++) {
3749 m = &o->stream_maps[i];
3750 if (file_idx == m->file_index &&
3751 check_stream_specifier(input_files[m->file_index]->ctx,
3752 input_files[m->file_index]->ctx->streams[m->stream_index],
3753 *p == ':' ? p + 1 : p) > 0)
3757 for (i = 0; i < input_files[file_idx]->nb_streams; i++) {
3758 if (check_stream_specifier(input_files[file_idx]->ctx, input_files[file_idx]->ctx->streams[i],
3759 *p == ':' ? p + 1 : p) <= 0)
3761 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3762 &o->nb_stream_maps, o->nb_stream_maps + 1);
3763 m = &o->stream_maps[o->nb_stream_maps - 1];
3765 m->file_index = file_idx;
3766 m->stream_index = i;
3768 if (sync_file_idx >= 0) {
3769 m->sync_file_index = sync_file_idx;
3770 m->sync_stream_index = sync_stream_idx;
3772 m->sync_file_index = file_idx;
3773 m->sync_stream_index = i;
3779 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3787 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3789 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3790 &o->nb_attachments, o->nb_attachments + 1);
3791 o->attachments[o->nb_attachments - 1] = arg;
3795 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3801 o->audio_channel_maps =
3802 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3803 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3804 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3806 /* muted channel syntax */
3807 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3808 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3809 m->file_idx = m->stream_idx = -1;
3811 m->ofile_idx = m->ostream_idx = -1;
3816 n = sscanf(arg, "%d.%d.%d:%d.%d",
3817 &m->file_idx, &m->stream_idx, &m->channel_idx,
3818 &m->ofile_idx, &m->ostream_idx);
3820 if (n != 3 && n != 5) {
3821 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3822 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3826 if (n != 5) // only file.stream.channel specified
3827 m->ofile_idx = m->ostream_idx = -1;
3830 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3831 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3835 if (m->stream_idx < 0 ||
3836 m->stream_idx >= input_files[m->file_idx]->nb_streams) {
3837 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3838 m->file_idx, m->stream_idx);
3841 st = input_files[m->file_idx]->ctx->streams[m->stream_idx];
3842 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3843 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3844 m->file_idx, m->stream_idx);
3847 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3848 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3849 m->file_idx, m->stream_idx, m->channel_idx);
3856 * Parse a metadata specifier in arg.
3857 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3858 * @param index for type c/p, chapter/program index is written here
3859 * @param stream_spec for type s, the stream specifier is written here
3861 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3869 if (*(++arg) && *arg != ':') {
3870 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3873 *stream_spec = *arg == ':' ? arg + 1 : "";
3877 if (*(++arg) == ':')
3878 *index = strtol(++arg, NULL, 0);
3881 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3888 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3890 AVDictionary **meta_in = NULL;
3891 AVDictionary **meta_out = NULL;
3893 char type_in, type_out;
3894 const char *istream_spec = NULL, *ostream_spec = NULL;
3895 int idx_in = 0, idx_out = 0;
3897 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3898 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3901 if (type_out == 'g' || !*outspec)
3902 o->metadata_global_manual = 1;
3903 if (type_out == 's' || !*outspec)
3904 o->metadata_streams_manual = 1;
3905 if (type_out == 'c' || !*outspec)
3906 o->metadata_chapters_manual = 1;
3910 if (type_in == 'g' || type_out == 'g')
3911 o->metadata_global_manual = 1;
3912 if (type_in == 's' || type_out == 's')
3913 o->metadata_streams_manual = 1;
3914 if (type_in == 'c' || type_out == 'c')
3915 o->metadata_chapters_manual = 1;
3917 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3918 if ((index) < 0 || (index) >= (nb_elems)) {\
3919 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3924 #define SET_DICT(type, meta, context, index)\
3927 meta = &context->metadata;\
3930 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3931 meta = &context->chapters[index]->metadata;\
3934 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\