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
59 # include "libavfilter/avcodec.h"
60 # include "libavfilter/avfilter.h"
61 # include "libavfilter/avfiltergraph.h"
62 # include "libavfilter/buffersink.h"
63 # include "libavfilter/buffersrc.h"
64 # include "libavfilter/vsrc_buffer.h"
67 #if HAVE_SYS_RESOURCE_H
68 #include <sys/types.h>
70 #include <sys/resource.h>
71 #elif HAVE_GETPROCESSTIMES
74 #if HAVE_GETPROCESSMEMORYINFO
80 #include <sys/select.h>
85 #include <sys/ioctl.h>
95 #include "libavutil/avassert.h"
98 #define VSYNC_PASSTHROUGH 0
101 #define VSYNC_DROP 0xff
103 const char program_name[] = "ffmpeg";
104 const int program_birth_year = 2000;
106 /* select an input stream for an output stream */
107 typedef struct StreamMap {
108 int disabled; /** 1 is this mapping is disabled by a negative map */
112 int sync_stream_index;
116 int file_idx, stream_idx, channel_idx; // input
117 int ofile_idx, ostream_idx; // output
121 * select an input file for an output file
123 typedef struct MetadataMap {
124 int file; ///< file index
125 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
126 int index; ///< stream/chapter/program number
129 static const OptionDef options[];
131 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
133 static int frame_bits_per_raw_sample = 0;
134 static int video_discard = 0;
135 static int same_quant = 0;
136 static int do_deinterlace = 0;
137 static int intra_dc_precision = 8;
138 static int qp_hist = 0;
139 static int intra_only = 0;
140 static const char *video_codec_name = NULL;
141 static const char *audio_codec_name = NULL;
142 static const char *subtitle_codec_name = NULL;
144 static int file_overwrite = 0;
145 static int no_file_overwrite = 0;
146 static int do_benchmark = 0;
147 static int do_hex_dump = 0;
148 static int do_pkt_dump = 0;
149 static int do_psnr = 0;
150 static int do_pass = 0;
151 static const char *pass_logfilename_prefix;
152 static int video_sync_method = VSYNC_AUTO;
153 static int audio_sync_method = 0;
154 static float audio_drift_threshold = 0.1;
155 static int copy_ts = 0;
156 static int copy_tb = -1;
157 static int opt_shortest = 0;
158 static char *vstats_filename;
159 static FILE *vstats_file;
161 static int audio_volume = 256;
163 static int exit_on_error = 0;
164 static int using_stdin = 0;
165 static int run_as_daemon = 0;
166 static volatile int received_nb_signals = 0;
167 static int64_t video_size = 0;
168 static int64_t audio_size = 0;
169 static int64_t extra_size = 0;
170 static int nb_frames_dup = 0;
171 static int nb_frames_drop = 0;
172 static int input_sync;
174 static float dts_delta_threshold = 10;
175 static float dts_error_threshold = 3600*30;
177 static int print_stats = 1;
178 static int debug_ts = 0;
180 static uint8_t *audio_buf;
181 static unsigned int allocated_audio_buf_size;
183 static uint8_t *input_tmp= NULL;
185 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
187 typedef struct FrameBuffer {
193 enum PixelFormat pix_fmt;
196 struct InputStream *ist;
197 struct FrameBuffer *next;
200 typedef struct InputStream {
203 int discard; /* true if stream data should be discarded */
204 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
206 AVFrame *decoded_frame;
207 AVFrame *filtered_frame;
209 int64_t start; /* time when read started */
210 /* predicted dts of the next packet read for this stream or (when there are
211 * several frames in a packet) of the next frame in current packet */
213 /* dts of the last packet read for this stream */
216 int64_t next_pts; ///< synthetic pts for the next decode frame
217 int64_t pts; ///< current pts of the decoded frame
219 int is_start; /* is 1 at the start and after a discontinuity */
220 int showed_multi_packet_warning;
223 /* a pool of free buffers for decoded data */
224 FrameBuffer *buffer_pool;
228 typedef struct InputFile {
229 AVFormatContext *ctx;
230 int eof_reached; /* true if eof reached */
231 int ist_index; /* index of first stream in input_streams */
232 int buffer_size; /* current total buffer size */
234 int nb_streams; /* number of stream that ffmpeg is aware of; may be different
235 from ctx.nb_streams if new streams appear during av_read_frame() */
239 typedef struct OutputStream {
240 int file_index; /* file index */
241 int index; /* stream index in the output file */
242 int source_index; /* InputStream index */
243 AVStream *st; /* stream in the output file */
244 int encoding_needed; /* true if encoding needed for this stream */
246 /* input pts and corresponding output pts
248 struct InputStream *sync_ist; /* input stream to sync against */
249 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ // FIXME look at frame_number
250 AVBitStreamFilterContext *bitstream_filters;
253 AVFrame *output_frame;
257 AVFrame resample_frame; /* temporary frame for image resampling */
258 struct SwsContext *img_resample_ctx; /* for image resampling */
261 int resample_pix_fmt;
262 AVRational frame_rate;
266 float frame_aspect_ratio;
268 /* forced key frames */
269 int64_t *forced_kf_pts;
275 int audio_channels_map[SWR_CH_MAX]; ///< list of the channels id to pick from the source stream
276 int audio_channels_mapped; ///< number of channels in audio_channels_map
277 int resample_sample_fmt;
278 int resample_channels;
279 int resample_sample_rate;
280 float rematrix_volume;
281 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
284 struct SwrContext *swr;
287 AVFilterContext *output_video_filter;
288 AVFilterContext *input_video_filter;
289 AVFilterBufferRef *picref;
291 AVFilterGraph *graph;
296 int is_past_recording_time;
298 const char *attachment_filename;
299 int copy_initial_nonkeyframes;
305 /* init terminal so that we can grab keys */
306 static struct termios oldtty;
307 static int restore_tty;
310 typedef struct OutputFile {
311 AVFormatContext *ctx;
313 int ost_index; /* index of the first stream in output_streams */
314 int64_t recording_time; /* desired length of the resulting file in microseconds */
315 int64_t start_time; /* start time in microseconds */
316 uint64_t limit_filesize; /* filesize limit expressed in bytes */
319 static InputStream *input_streams = NULL;
320 static int nb_input_streams = 0;
321 static InputFile *input_files = NULL;
322 static int nb_input_files = 0;
324 static OutputStream *output_streams = NULL;
325 static int nb_output_streams = 0;
326 static OutputFile *output_files = NULL;
327 static int nb_output_files = 0;
329 typedef struct OptionsContext {
330 /* input/output options */
334 SpecifierOpt *codec_names;
336 SpecifierOpt *audio_channels;
337 int nb_audio_channels;
338 SpecifierOpt *audio_sample_rate;
339 int nb_audio_sample_rate;
340 SpecifierOpt *rematrix_volume;
341 int nb_rematrix_volume;
342 SpecifierOpt *frame_rates;
344 SpecifierOpt *frame_sizes;
346 SpecifierOpt *frame_pix_fmts;
347 int nb_frame_pix_fmts;
350 int64_t input_ts_offset;
353 SpecifierOpt *ts_scale;
355 SpecifierOpt *dump_attachment;
356 int nb_dump_attachment;
359 StreamMap *stream_maps;
361 AudioChannelMap *audio_channel_maps; ///< one info entry per -map_channel
362 int nb_audio_channel_maps; ///< number of (valid) -map_channel settings
363 /* first item specifies output metadata, second is input */
364 MetadataMap (*meta_data_maps)[2];
365 int nb_meta_data_maps;
366 int metadata_global_manual;
367 int metadata_streams_manual;
368 int metadata_chapters_manual;
369 const char **attachments;
372 int chapters_input_file;
374 int64_t recording_time;
375 uint64_t limit_filesize;
381 int subtitle_disable;
384 /* indexed by output file stream index */
388 SpecifierOpt *metadata;
390 SpecifierOpt *max_frames;
392 SpecifierOpt *bitstream_filters;
393 int nb_bitstream_filters;
394 SpecifierOpt *codec_tags;
396 SpecifierOpt *sample_fmts;
398 SpecifierOpt *qscale;
400 SpecifierOpt *forced_key_frames;
401 int nb_forced_key_frames;
402 SpecifierOpt *force_fps;
404 SpecifierOpt *frame_aspect_ratios;
405 int nb_frame_aspect_ratios;
406 SpecifierOpt *rc_overrides;
408 SpecifierOpt *intra_matrices;
409 int nb_intra_matrices;
410 SpecifierOpt *inter_matrices;
411 int nb_inter_matrices;
412 SpecifierOpt *top_field_first;
413 int nb_top_field_first;
414 SpecifierOpt *metadata_map;
416 SpecifierOpt *presets;
418 SpecifierOpt *copy_initial_nonkeyframes;
419 int nb_copy_initial_nonkeyframes;
421 SpecifierOpt *filters;
426 #define MATCH_PER_STREAM_OPT(name, type, outvar, fmtctx, st)\
429 for (i = 0; i < o->nb_ ## name; i++) {\
430 char *spec = o->name[i].specifier;\
431 if ((ret = check_stream_specifier(fmtctx, st, spec)) > 0)\
432 outvar = o->name[i].u.type;\
438 static void reset_options(OptionsContext *o, int is_input)
440 const OptionDef *po = options;
441 OptionsContext bak= *o;
443 /* all OPT_SPEC and OPT_STRING can be freed in generic way */
445 void *dst = (uint8_t*)o + po->u.off;
447 if (po->flags & OPT_SPEC) {
448 SpecifierOpt **so = dst;
449 int i, *count = (int*)(so + 1);
450 for (i = 0; i < *count; i++) {
451 av_freep(&(*so)[i].specifier);
452 if (po->flags & OPT_STRING)
453 av_freep(&(*so)[i].u.str);
457 } else if (po->flags & OPT_OFFSET && po->flags & OPT_STRING)
462 av_freep(&o->stream_maps);
463 av_freep(&o->audio_channel_maps);
464 av_freep(&o->meta_data_maps);
465 av_freep(&o->streamid_map);
467 memset(o, 0, sizeof(*o));
469 if(is_input) o->recording_time = bak.recording_time;
470 else o->recording_time = INT64_MAX;
471 o->mux_max_delay = 0.7;
472 o->limit_filesize = UINT64_MAX;
473 o->chapters_input_file = INT_MAX;
479 static int alloc_buffer(AVCodecContext *s, InputStream *ist, FrameBuffer **pbuf)
481 FrameBuffer *buf = av_mallocz(sizeof(*buf));
483 const int pixel_size = av_pix_fmt_descriptors[s->pix_fmt].comp[0].step_minus1+1;
484 int h_chroma_shift, v_chroma_shift;
485 int edge = 32; // XXX should be avcodec_get_edge_width(), but that fails on svq1
486 int w = s->width, h = s->height;
489 return AVERROR(ENOMEM);
491 if (!(s->flags & CODEC_FLAG_EMU_EDGE)) {
496 avcodec_align_dimensions(s, &w, &h);
497 if ((ret = av_image_alloc(buf->base, buf->linesize, w, h,
498 s->pix_fmt, 32)) < 0) {
502 /* XXX this shouldn't be needed, but some tests break without this line
503 * those decoders are buggy and need to be fixed.
504 * the following tests fail:
505 * cdgraphics, ansi, aasc, fraps-v1, qtrle-1bit
507 memset(buf->base[0], 128, ret);
509 avcodec_get_chroma_sub_sample(s->pix_fmt, &h_chroma_shift, &v_chroma_shift);
510 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
511 const int h_shift = i==0 ? 0 : h_chroma_shift;
512 const int v_shift = i==0 ? 0 : v_chroma_shift;
513 if ((s->flags & CODEC_FLAG_EMU_EDGE) || !buf->linesize[1])
514 buf->data[i] = buf->base[i];
516 buf->data[i] = buf->base[i] +
517 FFALIGN((buf->linesize[i]*edge >> v_shift) +
518 (pixel_size*edge >> h_shift), 32);
522 buf->pix_fmt = s->pix_fmt;
529 static void free_buffer_pool(InputStream *ist)
531 FrameBuffer *buf = ist->buffer_pool;
533 ist->buffer_pool = buf->next;
534 av_freep(&buf->base[0]);
536 buf = ist->buffer_pool;
540 static void unref_buffer(InputStream *ist, FrameBuffer *buf)
542 av_assert0(buf->refcount);
544 if (!buf->refcount) {
545 buf->next = ist->buffer_pool;
546 ist->buffer_pool = buf;
550 static int codec_get_buffer(AVCodecContext *s, AVFrame *frame)
552 InputStream *ist = s->opaque;
556 if(av_image_check_size(s->width, s->height, 0, s))
559 if (!ist->buffer_pool && (ret = alloc_buffer(s, ist, &ist->buffer_pool)) < 0)
562 buf = ist->buffer_pool;
563 ist->buffer_pool = buf->next;
565 if (buf->w != s->width || buf->h != s->height || buf->pix_fmt != s->pix_fmt) {
566 av_freep(&buf->base[0]);
569 if ((ret = alloc_buffer(s, ist, &buf)) < 0)
575 frame->type = FF_BUFFER_TYPE_USER;
576 frame->extended_data = frame->data;
577 frame->pkt_pts = s->pkt ? s->pkt->pts : AV_NOPTS_VALUE;
579 for (i = 0; i < FF_ARRAY_ELEMS(buf->data); i++) {
580 frame->base[i] = buf->base[i]; // XXX h264.c uses base though it shouldn't
581 frame->data[i] = buf->data[i];
582 frame->linesize[i] = buf->linesize[i];
588 static void codec_release_buffer(AVCodecContext *s, AVFrame *frame)
590 InputStream *ist = s->opaque;
591 FrameBuffer *buf = frame->opaque;
594 if(frame->type!=FF_BUFFER_TYPE_USER)
595 return avcodec_default_release_buffer(s, frame);
597 for (i = 0; i < FF_ARRAY_ELEMS(frame->data); i++)
598 frame->data[i] = NULL;
600 unref_buffer(ist, buf);
603 static void filter_release_buffer(AVFilterBuffer *fb)
605 FrameBuffer *buf = fb->priv;
607 unref_buffer(buf->ist, buf);
612 static int configure_video_filters(InputStream *ist, OutputStream *ost)
614 AVFilterContext *last_filter, *filter;
615 /** filter graph containing all filters including input & output */
616 AVCodecContext *codec = ost->st->codec;
617 AVCodecContext *icodec = ist->st->codec;
618 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
619 AVBufferSinkParams *buffersink_params = av_buffersink_params_alloc();
620 AVRational sample_aspect_ratio;
624 ost->graph = avfilter_graph_alloc();
626 return AVERROR(ENOMEM);
628 if (ist->st->sample_aspect_ratio.num) {
629 sample_aspect_ratio = ist->st->sample_aspect_ratio;
631 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
633 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
634 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
635 sample_aspect_ratio.num, sample_aspect_ratio.den);
637 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
638 "src", args, NULL, ost->graph);
642 #if FF_API_OLD_VSINK_API
643 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
644 "out", NULL, pix_fmts, ost->graph);
646 buffersink_params->pixel_fmts = pix_fmts;
647 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
648 "out", NULL, buffersink_params, ost->graph);
650 av_freep(&buffersink_params);
654 last_filter = ost->input_video_filter;
656 if (codec->width != icodec->width || codec->height != icodec->height) {
657 snprintf(args, 255, "%d:%d:flags=0x%X",
660 (unsigned)ost->sws_flags);
661 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
662 NULL, args, NULL, ost->graph)) < 0)
664 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
666 last_filter = filter;
669 snprintf(args, sizeof(args), "flags=0x%X", (unsigned)ost->sws_flags);
670 ost->graph->scale_sws_opts = av_strdup(args);
673 AVFilterInOut *outputs = avfilter_inout_alloc();
674 AVFilterInOut *inputs = avfilter_inout_alloc();
676 outputs->name = av_strdup("in");
677 outputs->filter_ctx = last_filter;
678 outputs->pad_idx = 0;
679 outputs->next = NULL;
681 inputs->name = av_strdup("out");
682 inputs->filter_ctx = ost->output_video_filter;
686 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
688 av_freep(&ost->avfilter);
690 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
694 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
697 codec->width = ost->output_video_filter->inputs[0]->w;
698 codec->height = ost->output_video_filter->inputs[0]->h;
699 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
700 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
701 av_d2q(ost->frame_aspect_ratio * codec->height/codec->width, 255) :
702 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
706 #endif /* CONFIG_AVFILTER */
708 static void term_exit(void)
710 av_log(NULL, AV_LOG_QUIET, "%s", "");
713 tcsetattr (0, TCSANOW, &oldtty);
717 static volatile int received_sigterm = 0;
719 static void sigterm_handler(int sig)
721 received_sigterm = sig;
722 received_nb_signals++;
724 if(received_nb_signals > 3)
728 static void term_init(void)
734 if (tcgetattr (0, &tty) == 0) {
739 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
740 |INLCR|IGNCR|ICRNL|IXON);
741 tty.c_oflag |= OPOST;
742 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
743 tty.c_cflag &= ~(CSIZE|PARENB);
748 tcsetattr (0, TCSANOW, &tty);
750 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
753 avformat_network_deinit();
755 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
756 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
758 signal(SIGXCPU, sigterm_handler);
762 /* read a key without blocking */
763 static int read_key(void)
775 n = select(1, &rfds, NULL, NULL, &tv);
784 # if HAVE_PEEKNAMEDPIPE
786 static HANDLE input_handle;
789 input_handle = GetStdHandle(STD_INPUT_HANDLE);
790 is_pipe = !GetConsoleMode(input_handle, &dw);
793 if (stdin->_cnt > 0) {
798 /* When running under a GUI, you will end here. */
799 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
816 static int decode_interrupt_cb(void *ctx)
818 return received_nb_signals > 1;
821 static const AVIOInterruptCB int_cb = { decode_interrupt_cb, NULL };
823 void av_noreturn exit_program(int ret)
828 for (i = 0; i < nb_output_files; i++) {
829 AVFormatContext *s = output_files[i].ctx;
830 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
832 avformat_free_context(s);
833 av_dict_free(&output_files[i].opts);
835 for (i = 0; i < nb_output_streams; i++) {
836 AVBitStreamFilterContext *bsfc = output_streams[i].bitstream_filters;
838 AVBitStreamFilterContext *next = bsfc->next;
839 av_bitstream_filter_close(bsfc);
842 output_streams[i].bitstream_filters = NULL;
844 if (output_streams[i].output_frame) {
845 AVFrame *frame = output_streams[i].output_frame;
846 if (frame->extended_data != frame->data)
847 av_freep(&frame->extended_data);
851 for (i = 0; i < nb_input_files; i++) {
852 avformat_close_input(&input_files[i].ctx);
854 for (i = 0; i < nb_input_streams; i++) {
855 av_freep(&input_streams[i].decoded_frame);
856 av_freep(&input_streams[i].filtered_frame);
857 av_dict_free(&input_streams[i].opts);
858 free_buffer_pool(&input_streams[i]);
863 av_free(vstats_filename);
865 av_freep(&input_streams);
866 av_freep(&input_files);
867 av_freep(&output_streams);
868 av_freep(&output_files);
872 allocated_audio_buf_size = 0;
877 avformat_network_deinit();
879 av_freep(&input_tmp);
881 if (received_sigterm) {
882 av_log(NULL, AV_LOG_INFO, "Received signal %d: terminating.\n",
883 (int) received_sigterm);
887 exit(ret); /* not all OS-es handle main() return value */
890 static void assert_avoptions(AVDictionary *m)
892 AVDictionaryEntry *t;
893 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
894 av_log(NULL, AV_LOG_FATAL, "Option %s not found.\n", t->key);
899 static void assert_codec_experimental(AVCodecContext *c, int encoder)
901 const char *codec_string = encoder ? "encoder" : "decoder";
903 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
904 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
905 av_log(NULL, AV_LOG_FATAL, "%s '%s' is experimental and might produce bad "
906 "results.\nAdd '-strict experimental' if you want to use it.\n",
907 codec_string, c->codec->name);
908 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
909 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
910 av_log(NULL, AV_LOG_FATAL, "Or use the non experimental %s '%s'.\n",
911 codec_string, codec->name);
916 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
918 if (codec && codec->sample_fmts) {
919 const enum AVSampleFormat *p = codec->sample_fmts;
920 for (; *p != -1; p++) {
921 if (*p == st->codec->sample_fmt)
925 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
926 av_log(NULL, AV_LOG_ERROR, "Conversion will not be lossless.\n");
927 if(av_get_sample_fmt_name(st->codec->sample_fmt))
928 av_log(NULL, AV_LOG_WARNING,
929 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
930 av_get_sample_fmt_name(st->codec->sample_fmt),
932 av_get_sample_fmt_name(codec->sample_fmts[0]));
933 st->codec->sample_fmt = codec->sample_fmts[0];
938 static void choose_sample_rate(AVStream *st, AVCodec *codec)
940 if (codec && codec->supported_samplerates) {
941 const int *p = codec->supported_samplerates;
943 int best_dist = INT_MAX;
945 int dist = abs(st->codec->sample_rate - *p);
946 if (dist < best_dist) {
952 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
954 st->codec->sample_rate = best;
958 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
960 if (codec && codec->pix_fmts) {
961 const enum PixelFormat *p = codec->pix_fmts;
962 int has_alpha= av_pix_fmt_descriptors[st->codec->pix_fmt].nb_components % 2 == 0;
963 enum PixelFormat best= PIX_FMT_NONE;
964 if (st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL) {
965 if (st->codec->codec_id == CODEC_ID_MJPEG) {
966 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE };
967 } else if (st->codec->codec_id == CODEC_ID_LJPEG) {
968 p = (const enum PixelFormat[]) { PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P,
969 PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE };
972 for (; *p != PIX_FMT_NONE; p++) {
973 best= avcodec_find_best_pix_fmt2(best, *p, st->codec->pix_fmt, has_alpha, NULL);
974 if (*p == st->codec->pix_fmt)
977 if (*p == PIX_FMT_NONE) {
978 if (st->codec->pix_fmt != PIX_FMT_NONE)
979 av_log(NULL, AV_LOG_WARNING,
980 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
981 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
983 av_pix_fmt_descriptors[best].name);
984 st->codec->pix_fmt = best;
990 get_sync_ipts(const OutputStream *ost, int64_t pts)
992 OutputFile *of = &output_files[ost->file_index];
993 return (double)(pts - of->start_time) / AV_TIME_BASE;
996 static void write_frame(AVFormatContext *s, AVPacket *pkt, OutputStream *ost)
998 AVBitStreamFilterContext *bsfc = ost->bitstream_filters;
999 AVCodecContext *avctx = ost->st->codec;
1003 * Audio encoders may split the packets -- #frames in != #packets out.
1004 * But there is no reordering, so we can limit the number of output packets
1005 * by simply dropping them here.
1006 * Counting encoded video frames needs to be done separately because of
1007 * reordering, see do_video_out()
1009 if (!(avctx->codec_type == AVMEDIA_TYPE_VIDEO && avctx->codec)) {
1010 if (ost->frame_number >= ost->max_frames)
1012 ost->frame_number++;
1016 AVPacket new_pkt = *pkt;
1017 int a = av_bitstream_filter_filter(bsfc, avctx, NULL,
1018 &new_pkt.data, &new_pkt.size,
1019 pkt->data, pkt->size,
1020 pkt->flags & AV_PKT_FLAG_KEY);
1022 av_free_packet(pkt);
1023 new_pkt.destruct = av_destruct_packet;
1025 av_log(NULL, AV_LOG_ERROR, "Failed to open bitstream filter %s for stream %d with codec %s",
1026 bsfc->filter->name, pkt->stream_index,
1027 avctx->codec ? avctx->codec->name : "copy");
1037 pkt->stream_index = ost->index;
1038 ret = av_interleaved_write_frame(s, pkt);
1040 print_error("av_interleaved_write_frame()", ret);
1045 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1047 int fill_char = 0x00;
1048 if (sample_fmt == AV_SAMPLE_FMT_U8)
1050 memset(buf, fill_char, size);
1053 static int encode_audio_frame(AVFormatContext *s, OutputStream *ost,
1054 const uint8_t *buf, int buf_size)
1056 AVCodecContext *enc = ost->st->codec;
1057 AVFrame *frame = NULL;
1059 int ret, got_packet;
1061 av_init_packet(&pkt);
1066 if (!ost->output_frame) {
1067 ost->output_frame = avcodec_alloc_frame();
1068 if (!ost->output_frame) {
1069 av_log(NULL, AV_LOG_FATAL, "out-of-memory in encode_audio_frame()\n");
1073 frame = ost->output_frame;
1074 if (frame->extended_data != frame->data)
1075 av_freep(&frame->extended_data);
1076 avcodec_get_frame_defaults(frame);
1078 frame->nb_samples = buf_size /
1079 (enc->channels * av_get_bytes_per_sample(enc->sample_fmt));
1080 if ((ret = avcodec_fill_audio_frame(frame, enc->channels, enc->sample_fmt,
1081 buf, buf_size, 1)) < 0) {
1082 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1086 ost->sync_opts += frame->nb_samples;
1090 if (avcodec_encode_audio2(enc, &pkt, frame, &got_packet) < 0) {
1091 av_log(NULL, AV_LOG_FATAL, "Audio encoding failed\n");
1098 if (pkt.pts != AV_NOPTS_VALUE)
1099 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1100 if (pkt.dts != AV_NOPTS_VALUE)
1101 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1102 if (pkt.duration > 0)
1103 pkt.duration = av_rescale_q(pkt.duration, enc->time_base, ost->st->time_base);
1105 write_frame(s, &pkt, ost);
1107 audio_size += pkt.size;
1109 av_free_packet(&pkt);
1113 av_log(NULL, AV_LOG_INFO, "encoder -> type:audio "
1114 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1115 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1116 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1122 static void do_audio_out(AVFormatContext *s, OutputStream *ost,
1123 InputStream *ist, AVFrame *decoded_frame)
1126 int64_t audio_buf_size, size_out;
1128 int frame_bytes, resample_changed;
1129 AVCodecContext *enc = ost->st->codec;
1130 AVCodecContext *dec = ist->st->codec;
1131 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1132 int isize = av_get_bytes_per_sample(dec->sample_fmt);
1133 uint8_t *buf = decoded_frame->data[0];
1134 int size = decoded_frame->nb_samples * dec->channels * isize;
1135 int64_t allocated_for_size = size;
1138 audio_buf_size = (allocated_for_size + isize * dec->channels - 1) / (isize * dec->channels);
1139 audio_buf_size = (audio_buf_size * enc->sample_rate + dec->sample_rate) / dec->sample_rate;
1140 audio_buf_size = audio_buf_size * 2 + 10000; // safety factors for the deprecated resampling API
1141 audio_buf_size = FFMAX(audio_buf_size, enc->frame_size);
1142 audio_buf_size *= osize * enc->channels;
1144 if (audio_buf_size > INT_MAX) {
1145 av_log(NULL, AV_LOG_FATAL, "Buffer sizes too large\n");
1149 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
1151 av_log(NULL, AV_LOG_FATAL, "Out of memory in do_audio_out\n");
1155 if (enc->channels != dec->channels
1156 || enc->sample_fmt != dec->sample_fmt
1157 || enc->sample_rate!= dec->sample_rate
1159 ost->audio_resample = 1;
1161 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
1162 ost->resample_channels != dec->channels ||
1163 ost->resample_sample_rate != dec->sample_rate;
1165 if ((ost->audio_resample && !ost->swr) || resample_changed || ost->audio_channels_mapped) {
1166 if (resample_changed) {
1167 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",
1168 ist->file_index, ist->st->index,
1169 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
1170 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
1171 ost->resample_sample_fmt = dec->sample_fmt;
1172 ost->resample_channels = dec->channels;
1173 ost->resample_sample_rate = dec->sample_rate;
1174 swr_free(&ost->swr);
1176 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
1177 if (audio_sync_method <= 1 && !ost->audio_channels_mapped &&
1178 ost->resample_sample_fmt == enc->sample_fmt &&
1179 ost->resample_channels == enc->channels &&
1180 ost->resample_sample_rate == enc->sample_rate) {
1182 ost->audio_resample = 0;
1184 ost->swr = swr_alloc_set_opts(ost->swr,
1185 enc->channel_layout, enc->sample_fmt, enc->sample_rate,
1186 dec->channel_layout, dec->sample_fmt, dec->sample_rate,
1188 if (ost->audio_channels_mapped)
1189 swr_set_channel_mapping(ost->swr, ost->audio_channels_map);
1190 av_opt_set_double(ost->swr, "rmvol", ost->rematrix_volume, 0);
1191 if (ost->audio_channels_mapped) {
1192 av_opt_set_int(ost->swr, "icl", av_get_default_channel_layout(ost->audio_channels_mapped), 0);
1193 av_opt_set_int(ost->swr, "uch", ost->audio_channels_mapped, 0);
1195 if (av_opt_set_int(ost->swr, "ich", dec->channels, 0) < 0) {
1196 av_log(NULL, AV_LOG_FATAL, "Unsupported number of input channels\n");
1199 if (av_opt_set_int(ost->swr, "och", enc->channels, 0) < 0) {
1200 av_log(NULL, AV_LOG_FATAL, "Unsupported number of output channels\n");
1203 if(audio_sync_method>1) av_opt_set_int(ost->swr, "flags", SWR_FLAG_RESAMPLE, 0);
1204 if(ost->swr && swr_init(ost->swr) < 0){
1205 av_log(NULL, AV_LOG_FATAL, "swr_init() failed\n");
1206 swr_free(&ost->swr);
1210 av_log(NULL, AV_LOG_FATAL, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
1211 dec->channels, dec->sample_rate,
1212 enc->channels, enc->sample_rate);
1218 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1220 if (audio_sync_method) {
1221 double delta = get_sync_ipts(ost, ist->pts) * enc->sample_rate - ost->sync_opts -
1222 av_fifo_size(ost->fifo) / (enc->channels * osize);
1223 int idelta = delta * dec->sample_rate / enc->sample_rate;
1224 int byte_delta = idelta * isize * dec->channels;
1226 // FIXME resample delay
1227 if (fabs(delta) > 50) {
1228 if (ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate) {
1229 if (byte_delta < 0) {
1230 byte_delta = FFMAX(byte_delta, -size);
1233 av_log(NULL, AV_LOG_VERBOSE, "discarding %d audio samples\n",
1234 -byte_delta / (isize * dec->channels));
1239 input_tmp = av_realloc(input_tmp, byte_delta + size);
1241 if (byte_delta > allocated_for_size - size) {
1242 allocated_for_size = byte_delta + (int64_t)size;
1247 generate_silence(input_tmp, dec->sample_fmt, byte_delta);
1248 memcpy(input_tmp + byte_delta, buf, size);
1251 av_log(NULL, AV_LOG_VERBOSE, "adding %d audio samples of silence\n", idelta);
1253 } else if (audio_sync_method > 1) {
1254 int comp = av_clip(delta, -audio_sync_method, audio_sync_method);
1255 av_assert0(ost->audio_resample);
1256 av_log(NULL, AV_LOG_VERBOSE, "compensating audio timestamp drift:%f compensation:%d in:%d\n",
1257 delta, comp, enc->sample_rate);
1258 // 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));
1259 swr_set_compensation(ost->swr, comp, enc->sample_rate);
1263 ost->sync_opts = lrintf(get_sync_ipts(ost, ist->pts) * enc->sample_rate) -
1264 av_fifo_size(ost->fifo) / (enc->channels * osize); // FIXME wrong
1266 if (ost->audio_resample || ost->audio_channels_mapped) {
1268 size_out = swr_convert(ost->swr, ( uint8_t*[]){buftmp}, audio_buf_size / (enc->channels * osize),
1269 (const uint8_t*[]){buf }, size / (dec->channels * isize));
1270 size_out = size_out * enc->channels * osize;
1276 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1278 /* now encode as many frames as possible */
1279 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1280 /* output resampled raw samples */
1281 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1282 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1285 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1287 frame_bytes = enc->frame_size * osize * enc->channels;
1289 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1290 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1291 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1294 encode_audio_frame(s, ost, buftmp, size_out);
1298 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1300 AVCodecContext *dec;
1301 AVPicture *picture2;
1302 AVPicture picture_tmp;
1305 dec = ist->st->codec;
1307 /* deinterlace : must be done before any resize */
1308 if (do_deinterlace) {
1311 /* create temporary picture */
1312 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1313 buf = av_malloc(size);
1317 picture2 = &picture_tmp;
1318 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1320 if (avpicture_deinterlace(picture2, picture,
1321 dec->pix_fmt, dec->width, dec->height) < 0) {
1322 /* if error, do not deinterlace */
1323 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1332 if (picture != picture2)
1333 *picture = *picture2;
1337 static void do_subtitle_out(AVFormatContext *s,
1343 static uint8_t *subtitle_out = NULL;
1344 int subtitle_out_max_size = 1024 * 1024;
1345 int subtitle_out_size, nb, i;
1346 AVCodecContext *enc;
1349 if (pts == AV_NOPTS_VALUE) {
1350 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1356 enc = ost->st->codec;
1358 if (!subtitle_out) {
1359 subtitle_out = av_malloc(subtitle_out_max_size);
1362 /* Note: DVB subtitle need one packet to draw them and one other
1363 packet to clear them */
1364 /* XXX: signal it in the codec context ? */
1365 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1370 for (i = 0; i < nb; i++) {
1371 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1373 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1374 // start_display_time is required to be 0
1375 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1376 sub->end_display_time -= sub->start_display_time;
1377 sub->start_display_time = 0;
1378 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1379 subtitle_out_max_size, sub);
1380 if (subtitle_out_size < 0) {
1381 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1385 av_init_packet(&pkt);
1386 pkt.data = subtitle_out;
1387 pkt.size = subtitle_out_size;
1388 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1389 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1390 /* XXX: the pts correction is handled here. Maybe handling
1391 it in the codec would be better */
1393 pkt.pts += 90 * sub->start_display_time;
1395 pkt.pts += 90 * sub->end_display_time;
1397 write_frame(s, &pkt, ost);
1401 static void do_video_resample(OutputStream *ost,
1403 AVFrame *in_picture,
1404 AVFrame **out_picture)
1407 *out_picture = in_picture;
1409 AVCodecContext *dec = ist->st->codec;
1410 AVCodecContext *enc = ost->st->codec;
1411 int resample_changed = ost->resample_width != in_picture->width ||
1412 ost->resample_height != in_picture->height ||
1413 ost->resample_pix_fmt != in_picture->format;
1415 *out_picture = in_picture;
1416 if (resample_changed) {
1417 av_log(NULL, AV_LOG_INFO,
1418 "Input stream #%d:%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s / frm size:%dx%d fmt:%s\n",
1419 ist->file_index, ist->st->index,
1420 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1421 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1422 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1423 ost->resample_width = in_picture->width;
1424 ost->resample_height = in_picture->height;
1425 ost->resample_pix_fmt = in_picture->format;
1428 ost->video_resample = in_picture->width != enc->width ||
1429 in_picture->height != enc->height ||
1430 in_picture->format != enc->pix_fmt;
1432 if (ost->video_resample) {
1433 *out_picture = &ost->resample_frame;
1434 if (!ost->img_resample_ctx || resample_changed) {
1435 /* initialize the destination picture */
1436 if (!ost->resample_frame.data[0]) {
1437 avcodec_get_frame_defaults(&ost->resample_frame);
1438 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1439 enc->width, enc->height)) {
1440 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1444 /* initialize a new scaler context */
1445 sws_freeContext(ost->img_resample_ctx);
1446 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1447 enc->width, enc->height, enc->pix_fmt,
1448 ost->sws_flags, NULL, NULL, NULL);
1449 if (ost->img_resample_ctx == NULL) {
1450 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1454 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1455 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1460 static double psnr(double d)
1462 return -10.0 * log(d) / log(10.0);
1465 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1468 AVCodecContext *enc;
1470 double ti1, bitrate, avg_bitrate;
1472 /* this is executed just the first time do_video_stats is called */
1474 vstats_file = fopen(vstats_filename, "w");
1481 enc = ost->st->codec;
1482 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1483 frame_number = ost->frame_number;
1484 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1485 if (enc->flags&CODEC_FLAG_PSNR)
1486 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1488 fprintf(vstats_file,"f_size= %6d ", frame_size);
1489 /* compute pts value */
1490 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1494 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1495 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1496 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1497 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1498 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1503 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1504 InputStream *ist, AVFrame *in_picture)
1506 int nb_frames, i, ret, format_video_sync;
1507 AVFrame *final_picture;
1508 AVCodecContext *enc;
1510 double duration = 0;
1512 float quality = same_quant ? in_picture->quality
1513 : ost->st->codec->global_quality;
1515 enc = ost->st->codec;
1517 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1518 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1519 if(ist->st->avg_frame_rate.num)
1520 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1522 duration /= av_q2d(enc->time_base);
1525 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1527 /* by default, we output a single frame */
1530 format_video_sync = video_sync_method;
1531 if (format_video_sync == VSYNC_AUTO)
1532 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1534 if (format_video_sync != VSYNC_PASSTHROUGH && format_video_sync != VSYNC_DROP) {
1535 double vdelta = sync_ipts - ost->sync_opts + duration;
1536 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1539 else if (format_video_sync == VSYNC_VFR) {
1540 if (vdelta <= -0.6) {
1542 } else if (vdelta > 0.6)
1543 ost->sync_opts = lrintf(sync_ipts);
1544 } else if (vdelta > 1.1)
1545 nb_frames = lrintf(vdelta);
1546 if (nb_frames == 0) {
1548 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1549 } else if (nb_frames > 1) {
1550 nb_frames_dup += nb_frames - 1;
1551 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1554 ost->sync_opts = lrintf(sync_ipts);
1556 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1560 do_video_resample(ost, ist, in_picture, &final_picture);
1562 /* duplicates frame if needed */
1563 for (i = 0; i < nb_frames; i++) {
1565 av_init_packet(&pkt);
1569 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1570 enc->codec->id == CODEC_ID_RAWVIDEO) {
1571 /* raw pictures are written as AVPicture structure to
1572 avoid any copies. We support temporarily the older
1574 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1575 enc->coded_frame->top_field_first = in_picture->top_field_first;
1576 pkt.data = (uint8_t *)final_picture;
1577 pkt.size = sizeof(AVPicture);
1578 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1579 pkt.flags |= AV_PKT_FLAG_KEY;
1581 write_frame(s, &pkt, ost);
1584 AVFrame big_picture;
1586 big_picture = *final_picture;
1587 /* better than nothing: use input picture interlaced
1589 big_picture.interlaced_frame = in_picture->interlaced_frame;
1590 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1591 if (ost->top_field_first == -1)
1592 big_picture.top_field_first = in_picture->top_field_first;
1594 big_picture.top_field_first = !!ost->top_field_first;
1597 /* handles same_quant here. This is not correct because it may
1598 not be a global option */
1599 big_picture.quality = quality;
1600 if (!enc->me_threshold)
1601 big_picture.pict_type = 0;
1602 big_picture.pts = ost->sync_opts;
1603 if (ost->forced_kf_index < ost->forced_kf_count &&
1604 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1605 big_picture.pict_type = AV_PICTURE_TYPE_I;
1606 ost->forced_kf_index++;
1608 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1610 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1615 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1616 pkt.pts = ost->sync_opts;
1618 if (pkt.pts != AV_NOPTS_VALUE)
1619 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1620 if (pkt.dts != AV_NOPTS_VALUE)
1621 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1624 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1625 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1626 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1627 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1630 if (format_video_sync == VSYNC_DROP)
1631 pkt.pts = pkt.dts = AV_NOPTS_VALUE;
1633 write_frame(s, &pkt, ost);
1634 frame_size = pkt.size;
1635 video_size += pkt.size;
1637 /* if two pass, output log */
1638 if (ost->logfile && enc->stats_out) {
1639 fprintf(ost->logfile, "%s", enc->stats_out);
1645 * For video, number of frames in == number of packets out.
1646 * But there may be reordering, so we can't throw away frames on encoder
1647 * flush, we need to limit them here, before they go into encoder.
1649 ost->frame_number++;
1651 if (vstats_filename && frame_size)
1652 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1655 static void print_report(OutputFile *output_files,
1656 OutputStream *ost_table, int nb_ostreams,
1657 int is_last_report, int64_t timer_start, int64_t cur_time)
1661 AVFormatContext *oc;
1663 AVCodecContext *enc;
1664 int frame_number, vid, i;
1666 int64_t pts = INT64_MAX;
1667 static int64_t last_time = -1;
1668 static int qp_histogram[52];
1669 int hours, mins, secs, us;
1671 if (!print_stats && !is_last_report)
1674 if (!is_last_report) {
1675 if (last_time == -1) {
1676 last_time = cur_time;
1679 if ((cur_time - last_time) < 500000)
1681 last_time = cur_time;
1685 oc = output_files[0].ctx;
1687 total_size = avio_size(oc->pb);
1688 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1689 total_size = avio_tell(oc->pb);
1696 for (i = 0; i < nb_ostreams; i++) {
1698 ost = &ost_table[i];
1699 enc = ost->st->codec;
1700 if (!ost->stream_copy && enc->coded_frame)
1701 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1702 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1703 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1705 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1706 float t = (cur_time-timer_start) / 1000000.0;
1708 frame_number = ost->frame_number;
1709 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1710 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1712 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1716 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1718 for (j = 0; j < 32; j++)
1719 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1721 if (enc->flags&CODEC_FLAG_PSNR) {
1723 double error, error_sum = 0;
1724 double scale, scale_sum = 0;
1725 char type[3] = { 'Y','U','V' };
1726 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1727 for (j = 0; j < 3; j++) {
1728 if (is_last_report) {
1729 error = enc->error[j];
1730 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1732 error = enc->coded_frame->error[j];
1733 scale = enc->width * enc->height * 255.0 * 255.0;
1739 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1741 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1745 /* compute min output value */
1746 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1747 ost->st->time_base, AV_TIME_BASE_Q));
1750 secs = pts / AV_TIME_BASE;
1751 us = pts % AV_TIME_BASE;
1757 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1759 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1760 "size=%8.0fkB time=", total_size / 1024.0);
1761 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1762 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1763 (100 * us) / AV_TIME_BASE);
1764 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1765 "bitrate=%6.1fkbits/s", bitrate);
1767 if (nb_frames_dup || nb_frames_drop)
1768 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1769 nb_frames_dup, nb_frames_drop);
1771 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1775 if (is_last_report) {
1776 int64_t raw= audio_size + video_size + extra_size;
1777 av_log(NULL, AV_LOG_INFO, "\n");
1778 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1779 video_size / 1024.0,
1780 audio_size / 1024.0,
1781 extra_size / 1024.0,
1782 100.0 * (total_size - raw) / raw
1784 if(video_size + audio_size + extra_size == 0){
1785 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1790 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1794 for (i = 0; i < nb_ostreams; i++) {
1795 OutputStream *ost = &ost_table[i];
1796 AVCodecContext *enc = ost->st->codec;
1797 AVFormatContext *os = output_files[ost->file_index].ctx;
1798 int stop_encoding = 0;
1800 if (!ost->encoding_needed)
1803 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1805 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1810 int fifo_bytes, got_packet;
1811 av_init_packet(&pkt);
1815 switch (ost->st->codec->codec_type) {
1816 case AVMEDIA_TYPE_AUDIO:
1817 fifo_bytes = av_fifo_size(ost->fifo);
1818 if (fifo_bytes > 0) {
1819 /* encode any samples remaining in fifo */
1820 int frame_bytes = fifo_bytes;
1822 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1824 /* pad last frame with silence if needed */
1825 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1826 frame_bytes = enc->frame_size * enc->channels *
1827 av_get_bytes_per_sample(enc->sample_fmt);
1828 if (allocated_audio_buf_size < frame_bytes)
1830 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1832 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1834 /* flush encoder with NULL frames until it is done
1835 returning packets */
1836 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1842 case AVMEDIA_TYPE_VIDEO:
1843 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1845 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1848 video_size += pkt.size;
1849 if (ost->logfile && enc->stats_out) {
1850 fprintf(ost->logfile, "%s", enc->stats_out);
1856 if (pkt.pts != AV_NOPTS_VALUE)
1857 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1858 if (pkt.dts != AV_NOPTS_VALUE)
1859 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1860 write_frame(os, &pkt, ost);
1872 * Check whether a packet from ist should be written into ost at this time
1874 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1876 OutputFile *of = &output_files[ost->file_index];
1877 int ist_index = ist - input_streams;
1879 if (ost->source_index != ist_index)
1882 if (of->start_time && ist->pts < of->start_time)
1885 if (of->recording_time != INT64_MAX &&
1886 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1887 (AVRational){ 1, 1000000 }) >= 0) {
1888 ost->is_past_recording_time = 1;
1895 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1897 OutputFile *of = &output_files[ost->file_index];
1898 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1902 av_init_packet(&opkt);
1904 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1905 !ost->copy_initial_nonkeyframes)
1908 /* force the input stream PTS */
1909 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1910 audio_size += pkt->size;
1911 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1912 video_size += pkt->size;
1916 if (pkt->pts != AV_NOPTS_VALUE)
1917 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1919 opkt.pts = AV_NOPTS_VALUE;
1921 if (pkt->dts == AV_NOPTS_VALUE)
1922 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1924 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1925 opkt.dts -= ost_tb_start_time;
1927 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1928 opkt.flags = pkt->flags;
1930 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1931 if ( ost->st->codec->codec_id != CODEC_ID_H264
1932 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1933 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1934 && ost->st->codec->codec_id != CODEC_ID_VC1
1936 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1937 opkt.destruct = av_destruct_packet;
1939 opkt.data = pkt->data;
1940 opkt.size = pkt->size;
1942 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1943 /* store AVPicture in AVPacket, as expected by the output format */
1944 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1945 opkt.data = (uint8_t *)&pict;
1946 opkt.size = sizeof(AVPicture);
1947 opkt.flags |= AV_PKT_FLAG_KEY;
1950 write_frame(of->ctx, &opkt, ost);
1951 ost->st->codec->frame_number++;
1952 av_free_packet(&opkt);
1955 static void rate_emu_sleep(InputStream *ist)
1957 if (input_files[ist->file_index].rate_emu) {
1958 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1959 int64_t now = av_gettime() - ist->start;
1965 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1967 AVFrame *decoded_frame;
1968 AVCodecContext *avctx = ist->st->codec;
1969 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1972 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1973 return AVERROR(ENOMEM);
1975 avcodec_get_frame_defaults(ist->decoded_frame);
1976 decoded_frame = ist->decoded_frame;
1978 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1984 /* no audio frame */
1988 /* if the decoder provides a pts, use it instead of the last packet pts.
1989 the decoder could be delaying output by a packet or more. */
1990 if (decoded_frame->pts != AV_NOPTS_VALUE)
1991 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
1993 /* increment next_dts to use for the case where the input stream does not
1994 have timestamps or there are multiple frames in the packet */
1995 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
1997 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2001 // preprocess audio (volume)
2002 if (audio_volume != 256) {
2003 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2004 void *samples = decoded_frame->data[0];
2005 switch (avctx->sample_fmt) {
2006 case AV_SAMPLE_FMT_U8:
2008 uint8_t *volp = samples;
2009 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2010 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2011 *volp++ = av_clip_uint8(v);
2015 case AV_SAMPLE_FMT_S16:
2017 int16_t *volp = samples;
2018 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2019 int v = ((*volp) * audio_volume + 128) >> 8;
2020 *volp++ = av_clip_int16(v);
2024 case AV_SAMPLE_FMT_S32:
2026 int32_t *volp = samples;
2027 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2028 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2029 *volp++ = av_clipl_int32(v);
2033 case AV_SAMPLE_FMT_FLT:
2035 float *volp = samples;
2036 float scale = audio_volume / 256.f;
2037 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2042 case AV_SAMPLE_FMT_DBL:
2044 double *volp = samples;
2045 double scale = audio_volume / 256.;
2046 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2052 av_log(NULL, AV_LOG_FATAL,
2053 "Audio volume adjustment on sample format %s is not supported.\n",
2054 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2059 rate_emu_sleep(ist);
2061 for (i = 0; i < nb_output_streams; i++) {
2062 OutputStream *ost = &output_streams[i];
2064 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2066 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2072 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2074 AVFrame *decoded_frame;
2075 void *buffer_to_free = NULL;
2077 int64_t *best_effort_timestamp;
2078 AVRational *frame_sample_aspect;
2080 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2081 return AVERROR(ENOMEM);
2083 avcodec_get_frame_defaults(ist->decoded_frame);
2084 decoded_frame = ist->decoded_frame;
2085 pkt->pts = *pkt_pts;
2086 pkt->dts = ist->dts;
2087 *pkt_pts = AV_NOPTS_VALUE;
2089 ret = avcodec_decode_video2(ist->st->codec,
2090 decoded_frame, got_output, pkt);
2095 /* no picture yet */
2099 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2100 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2101 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2105 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2108 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2109 for(i=0;i<nb_output_streams;i++) {
2110 OutputStream *ost = ost = &output_streams[i];
2111 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2112 if (!frame_sample_aspect->num)
2113 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2114 decoded_frame->pts = ist->pts;
2115 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2116 FrameBuffer *buf = decoded_frame->opaque;
2117 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2118 decoded_frame->data, decoded_frame->linesize,
2119 AV_PERM_READ | AV_PERM_PRESERVE,
2120 ist->st->codec->width, ist->st->codec->height,
2121 ist->st->codec->pix_fmt);
2123 avfilter_copy_frame_props(fb, decoded_frame);
2124 fb->buf->priv = buf;
2125 fb->buf->free = filter_release_buffer;
2128 av_buffersrc_buffer(ost->input_video_filter, fb);
2130 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2131 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2138 rate_emu_sleep(ist);
2140 for (i = 0; i < nb_output_streams; i++) {
2141 OutputStream *ost = &output_streams[i];
2143 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2147 while (av_buffersink_poll_frame(ost->output_video_filter)) {
2148 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2149 AVFrame *filtered_frame;
2151 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2152 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2155 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2156 ret = AVERROR(ENOMEM);
2159 filtered_frame = ist->filtered_frame;
2160 *filtered_frame= *decoded_frame; //for me_threshold
2161 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2162 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2163 if (ost->picref->video && !ost->frame_aspect_ratio)
2164 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2165 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame);
2167 avfilter_unref_buffer(ost->picref);
2170 do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2175 av_free(buffer_to_free);
2179 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2181 AVSubtitle subtitle;
2182 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2183 &subtitle, got_output, pkt);
2189 rate_emu_sleep(ist);
2191 for (i = 0; i < nb_output_streams; i++) {
2192 OutputStream *ost = &output_streams[i];
2194 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2197 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2200 avsubtitle_free(&subtitle);
2204 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2205 static int output_packet(InputStream *ist,
2206 OutputStream *ost_table, int nb_ostreams,
2207 const AVPacket *pkt)
2211 int64_t pkt_pts = AV_NOPTS_VALUE;
2215 if (ist->next_dts == AV_NOPTS_VALUE)
2216 ist->next_dts = ist->dts;
2217 if (ist->next_pts == AV_NOPTS_VALUE)
2218 ist->next_pts = ist->pts;
2222 av_init_packet(&avpkt);
2230 if (pkt->dts != AV_NOPTS_VALUE) {
2231 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2232 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2233 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2235 if(pkt->pts != AV_NOPTS_VALUE)
2236 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2238 // while we have more to decode or while the decoder did output something on EOF
2239 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2243 ist->pts = ist->next_pts;
2244 ist->dts = ist->next_dts;
2246 if (avpkt.size && avpkt.size != pkt->size) {
2247 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2248 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2249 ist->showed_multi_packet_warning = 1;
2252 switch (ist->st->codec->codec_type) {
2253 case AVMEDIA_TYPE_AUDIO:
2254 ret = transcode_audio (ist, &avpkt, &got_output);
2256 case AVMEDIA_TYPE_VIDEO:
2257 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2258 if (avpkt.duration) {
2259 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2260 } else if(ist->st->codec->time_base.num != 0) {
2261 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2262 duration = ((int64_t)AV_TIME_BASE *
2263 ist->st->codec->time_base.num * ticks) /
2264 ist->st->codec->time_base.den;
2268 if(ist->dts != AV_NOPTS_VALUE && duration) {
2269 ist->next_dts += duration;
2271 ist->next_dts = AV_NOPTS_VALUE;
2274 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2276 case AVMEDIA_TYPE_SUBTITLE:
2277 ret = transcode_subtitles(ist, &avpkt, &got_output);
2287 avpkt.pts= AV_NOPTS_VALUE;
2289 // touch data and size only if not EOF
2291 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2301 /* handle stream copy */
2302 if (!ist->decoding_needed) {
2303 rate_emu_sleep(ist);
2304 ist->dts = ist->next_dts;
2305 switch (ist->st->codec->codec_type) {
2306 case AVMEDIA_TYPE_AUDIO:
2307 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2308 ist->st->codec->sample_rate;
2310 case AVMEDIA_TYPE_VIDEO:
2311 if (pkt->duration) {
2312 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2313 } else if(ist->st->codec->time_base.num != 0) {
2314 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2315 ist->next_dts += ((int64_t)AV_TIME_BASE *
2316 ist->st->codec->time_base.num * ticks) /
2317 ist->st->codec->time_base.den;
2321 ist->pts = ist->dts;
2322 ist->next_pts = ist->next_dts;
2324 for (i = 0; pkt && i < nb_ostreams; i++) {
2325 OutputStream *ost = &ost_table[i];
2327 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2330 do_streamcopy(ist, ost, pkt);
2336 static void print_sdp(OutputFile *output_files, int n)
2340 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2344 for (i = 0; i < n; i++)
2345 avc[i] = output_files[i].ctx;
2347 av_sdp_create(avc, n, sdp, sizeof(sdp));
2348 printf("SDP:\n%s\n", sdp);
2353 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2354 char *error, int error_len)
2356 InputStream *ist = &input_streams[ist_index];
2357 if (ist->decoding_needed) {
2358 AVCodec *codec = ist->dec;
2360 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2361 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2362 return AVERROR(EINVAL);
2365 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2366 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2367 ist->st->codec->get_buffer = codec_get_buffer;
2368 ist->st->codec->release_buffer = codec_release_buffer;
2369 ist->st->codec->opaque = ist;
2372 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2373 av_dict_set(&ist->opts, "threads", "auto", 0);
2374 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2375 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2376 ist->file_index, ist->st->index);
2377 return AVERROR(EINVAL);
2379 assert_codec_experimental(ist->st->codec, 0);
2380 assert_avoptions(ist->opts);
2383 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;
2384 ist->next_pts = AV_NOPTS_VALUE;
2385 ist->next_dts = AV_NOPTS_VALUE;
2391 static int transcode_init(OutputFile *output_files, int nb_output_files,
2392 InputFile *input_files, int nb_input_files)
2394 int ret = 0, i, j, k;
2395 AVFormatContext *oc;
2396 AVCodecContext *codec, *icodec;
2402 /* init framerate emulation */
2403 for (i = 0; i < nb_input_files; i++) {
2404 InputFile *ifile = &input_files[i];
2405 if (ifile->rate_emu)
2406 for (j = 0; j < ifile->nb_streams; j++)
2407 input_streams[j + ifile->ist_index].start = av_gettime();
2410 /* output stream init */
2411 for (i = 0; i < nb_output_files; i++) {
2412 oc = output_files[i].ctx;
2413 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2414 av_dump_format(oc, i, oc->filename, 1);
2415 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2416 return AVERROR(EINVAL);
2420 /* for each output stream, we compute the right encoding parameters */
2421 for (i = 0; i < nb_output_streams; i++) {
2422 ost = &output_streams[i];
2423 oc = output_files[ost->file_index].ctx;
2424 ist = &input_streams[ost->source_index];
2426 if (ost->attachment_filename)
2429 codec = ost->st->codec;
2430 icodec = ist->st->codec;
2432 ost->st->disposition = ist->st->disposition;
2433 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2434 codec->chroma_sample_location = icodec->chroma_sample_location;
2436 if (ost->stream_copy) {
2437 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2439 if (extra_size > INT_MAX) {
2440 return AVERROR(EINVAL);
2443 /* if stream_copy is selected, no need to decode or encode */
2444 codec->codec_id = icodec->codec_id;
2445 codec->codec_type = icodec->codec_type;
2447 if (!codec->codec_tag) {
2448 if (!oc->oformat->codec_tag ||
2449 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2450 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2451 codec->codec_tag = icodec->codec_tag;
2454 codec->bit_rate = icodec->bit_rate;
2455 codec->rc_max_rate = icodec->rc_max_rate;
2456 codec->rc_buffer_size = icodec->rc_buffer_size;
2457 codec->field_order = icodec->field_order;
2458 codec->extradata = av_mallocz(extra_size);
2459 if (!codec->extradata) {
2460 return AVERROR(ENOMEM);
2462 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2463 codec->extradata_size= icodec->extradata_size;
2465 codec->time_base = ist->st->time_base;
2467 * Avi is a special case here because it supports variable fps but
2468 * having the fps and timebase differe significantly adds quite some
2471 if(!strcmp(oc->oformat->name, "avi")) {
2472 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2473 && av_q2d(ist->st->time_base) < 1.0/500
2475 codec->time_base = icodec->time_base;
2476 codec->time_base.num *= icodec->ticks_per_frame;
2477 codec->time_base.den *= 2;
2479 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2480 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2481 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2483 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2484 && av_q2d(ist->st->time_base) < 1.0/500
2486 codec->time_base = icodec->time_base;
2487 codec->time_base.num *= icodec->ticks_per_frame;
2490 av_reduce(&codec->time_base.num, &codec->time_base.den,
2491 codec->time_base.num, codec->time_base.den, INT_MAX);
2493 switch (codec->codec_type) {
2494 case AVMEDIA_TYPE_AUDIO:
2495 if (audio_volume != 256) {
2496 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2499 codec->channel_layout = icodec->channel_layout;
2500 codec->sample_rate = icodec->sample_rate;
2501 codec->channels = icodec->channels;
2502 codec->frame_size = icodec->frame_size;
2503 codec->audio_service_type = icodec->audio_service_type;
2504 codec->block_align = icodec->block_align;
2506 case AVMEDIA_TYPE_VIDEO:
2507 codec->pix_fmt = icodec->pix_fmt;
2508 codec->width = icodec->width;
2509 codec->height = icodec->height;
2510 codec->has_b_frames = icodec->has_b_frames;
2511 if (!codec->sample_aspect_ratio.num) {
2512 codec->sample_aspect_ratio =
2513 ost->st->sample_aspect_ratio =
2514 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2515 ist->st->codec->sample_aspect_ratio.num ?
2516 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2518 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2520 case AVMEDIA_TYPE_SUBTITLE:
2521 codec->width = icodec->width;
2522 codec->height = icodec->height;
2524 case AVMEDIA_TYPE_DATA:
2525 case AVMEDIA_TYPE_ATTACHMENT:
2532 ost->enc = avcodec_find_encoder(codec->codec_id);
2534 ist->decoding_needed = 1;
2535 ost->encoding_needed = 1;
2537 switch (codec->codec_type) {
2538 case AVMEDIA_TYPE_AUDIO:
2539 ost->fifo = av_fifo_alloc(1024);
2541 return AVERROR(ENOMEM);
2543 if (!codec->sample_rate)
2544 codec->sample_rate = icodec->sample_rate;
2545 choose_sample_rate(ost->st, ost->enc);
2546 codec->time_base = (AVRational){ 1, codec->sample_rate };
2548 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2549 codec->sample_fmt = icodec->sample_fmt;
2550 choose_sample_fmt(ost->st, ost->enc);
2552 if (ost->audio_channels_mapped) {
2553 /* the requested output channel is set to the number of
2554 * -map_channel only if no -ac are specified */
2555 if (!codec->channels) {
2556 codec->channels = ost->audio_channels_mapped;
2557 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2558 if (!codec->channel_layout) {
2559 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2563 /* fill unused channel mapping with -1 (which means a muted
2564 * channel in case the number of output channels is bigger
2565 * than the number of mapped channel) */
2566 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2567 ost->audio_channels_map[j] = -1;
2568 } else if (!codec->channels) {
2569 codec->channels = icodec->channels;
2570 codec->channel_layout = icodec->channel_layout;
2572 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2573 codec->channel_layout = 0;
2575 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2576 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2577 || codec->channel_layout != icodec->channel_layout;
2578 icodec->request_channels = codec->channels;
2579 ost->resample_sample_fmt = icodec->sample_fmt;
2580 ost->resample_sample_rate = icodec->sample_rate;
2581 ost->resample_channels = icodec->channels;
2583 case AVMEDIA_TYPE_VIDEO:
2584 if (codec->pix_fmt == PIX_FMT_NONE)
2585 codec->pix_fmt = icodec->pix_fmt;
2586 choose_pixel_fmt(ost->st, ost->enc);
2588 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2589 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2593 if (!codec->width || !codec->height) {
2594 codec->width = icodec->width;
2595 codec->height = icodec->height;
2598 ost->video_resample = codec->width != icodec->width ||
2599 codec->height != icodec->height ||
2600 codec->pix_fmt != icodec->pix_fmt;
2601 if (ost->video_resample) {
2602 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2605 ost->resample_height = icodec->height;
2606 ost->resample_width = icodec->width;
2607 ost->resample_pix_fmt = icodec->pix_fmt;
2609 if (!ost->frame_rate.num)
2610 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2611 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2612 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2613 ost->frame_rate = ost->enc->supported_framerates[idx];
2615 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2616 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2617 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2618 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2619 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2621 for (j = 0; j < ost->forced_kf_count; j++)
2622 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2627 if (configure_video_filters(ist, ost)) {
2628 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2633 case AVMEDIA_TYPE_SUBTITLE:
2634 codec->time_base = (AVRational){1, 1000};
2641 if (codec->codec_id != CODEC_ID_H264 &&
2642 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2643 char logfilename[1024];
2646 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2647 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2649 if (codec->flags & CODEC_FLAG_PASS2) {
2651 size_t logbuffer_size;
2652 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2653 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2657 codec->stats_in = logbuffer;
2659 if (codec->flags & CODEC_FLAG_PASS1) {
2660 f = fopen(logfilename, "wb");
2662 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2663 logfilename, strerror(errno));
2672 /* open each encoder */
2673 for (i = 0; i < nb_output_streams; i++) {
2674 ost = &output_streams[i];
2675 if (ost->encoding_needed) {
2676 AVCodec *codec = ost->enc;
2677 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2679 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2680 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2681 ret = AVERROR(EINVAL);
2684 if (dec->subtitle_header) {
2685 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2686 if (!ost->st->codec->subtitle_header) {
2687 ret = AVERROR(ENOMEM);
2690 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2691 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2693 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2694 av_dict_set(&ost->opts, "threads", "auto", 0);
2695 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2696 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2697 ost->file_index, ost->index);
2698 ret = AVERROR(EINVAL);
2701 assert_codec_experimental(ost->st->codec, 1);
2702 assert_avoptions(ost->opts);
2703 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2704 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2705 " It takes bits/s as argument, not kbits/s\n");
2706 extra_size += ost->st->codec->extradata_size;
2708 if (ost->st->codec->me_threshold)
2709 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2713 /* init input streams */
2714 for (i = 0; i < nb_input_streams; i++)
2715 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2718 /* discard unused programs */
2719 for (i = 0; i < nb_input_files; i++) {
2720 InputFile *ifile = &input_files[i];
2721 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2722 AVProgram *p = ifile->ctx->programs[j];
2723 int discard = AVDISCARD_ALL;
2725 for (k = 0; k < p->nb_stream_indexes; k++)
2726 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2727 discard = AVDISCARD_DEFAULT;
2730 p->discard = discard;
2734 /* open files and write file headers */
2735 for (i = 0; i < nb_output_files; i++) {
2736 oc = output_files[i].ctx;
2737 oc->interrupt_callback = int_cb;
2738 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2739 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2740 ret = AVERROR(EINVAL);
2743 // assert_avoptions(output_files[i].opts);
2744 if (strcmp(oc->oformat->name, "rtp")) {
2750 /* dump the file output parameters - cannot be done before in case
2752 for (i = 0; i < nb_output_files; i++) {
2753 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2756 /* dump the stream mapping */
2757 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2758 for (i = 0; i < nb_output_streams; i++) {
2759 ost = &output_streams[i];
2761 if (ost->attachment_filename) {
2762 /* an attached file */
2763 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2764 ost->attachment_filename, ost->file_index, ost->index);
2767 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2768 input_streams[ost->source_index].file_index,
2769 input_streams[ost->source_index].st->index,
2772 if (ost->audio_channels_mapped) {
2773 av_log(NULL, AV_LOG_INFO, " [ch:");
2774 for (j = 0; j < ost->audio_channels_mapped; j++)
2775 if (ost->audio_channels_map[j] == -1)
2776 av_log(NULL, AV_LOG_INFO, " M");
2778 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2779 av_log(NULL, AV_LOG_INFO, "]");
2781 if (ost->sync_ist != &input_streams[ost->source_index])
2782 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2783 ost->sync_ist->file_index,
2784 ost->sync_ist->st->index);
2785 if (ost->stream_copy)
2786 av_log(NULL, AV_LOG_INFO, " (copy)");
2788 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2789 input_streams[ost->source_index].dec->name : "?",
2790 ost->enc ? ost->enc->name : "?");
2791 av_log(NULL, AV_LOG_INFO, "\n");
2795 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2800 print_sdp(output_files, nb_output_files);
2807 * The following code is the main loop of the file converter
2809 static int transcode(OutputFile *output_files, int nb_output_files,
2810 InputFile *input_files, int nb_input_files)
2813 AVFormatContext *is, *os;
2817 int no_packet_count = 0;
2818 int64_t timer_start;
2821 if (!(no_packet = av_mallocz(nb_input_files)))
2824 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2829 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2832 timer_start = av_gettime();
2834 for (; received_sigterm == 0;) {
2835 int file_index, ist_index;
2839 int64_t cur_time= av_gettime();
2841 ipts_min = INT64_MAX;
2843 /* if 'q' pressed, exits */
2845 static int64_t last_time;
2846 if (received_nb_signals)
2848 /* read_key() returns 0 on EOF */
2849 if(cur_time - last_time >= 100000 && !run_as_daemon){
2851 last_time = cur_time;
2856 if (key == '+') av_log_set_level(av_log_get_level()+10);
2857 if (key == '-') av_log_set_level(av_log_get_level()-10);
2858 if (key == 's') qp_hist ^= 1;
2861 do_hex_dump = do_pkt_dump = 0;
2862 } else if(do_pkt_dump){
2866 av_log_set_level(AV_LOG_DEBUG);
2869 if (key == 'c' || key == 'C'){
2870 char buf[4096], target[64], command[256], arg[256] = {0};
2873 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2875 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2880 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2881 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2882 target, time, command, arg);
2883 for (i = 0; i < nb_output_streams; i++) {
2884 ost = &output_streams[i];
2887 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2888 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2889 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2891 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2896 av_log(NULL, AV_LOG_ERROR,
2897 "Parse error, at least 3 arguments were expected, "
2898 "only %d given in string '%s'\n", n, buf);
2902 if (key == 'd' || key == 'D'){
2905 debug = input_streams[0].st->codec->debug<<1;
2906 if(!debug) debug = 1;
2907 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2910 if(scanf("%d", &debug)!=1)
2911 fprintf(stderr,"error parsing debug value\n");
2912 for(i=0;i<nb_input_streams;i++) {
2913 input_streams[i].st->codec->debug = debug;
2915 for(i=0;i<nb_output_streams;i++) {
2916 ost = &output_streams[i];
2917 ost->st->codec->debug = debug;
2919 if(debug) av_log_set_level(AV_LOG_DEBUG);
2920 fprintf(stderr,"debug=%d\n", debug);
2923 fprintf(stderr, "key function\n"
2924 "? show this help\n"
2925 "+ increase verbosity\n"
2926 "- decrease verbosity\n"
2927 "c Send command to filtergraph\n"
2928 "D cycle through available debug modes\n"
2929 "h dump packets/hex press to cycle through the 3 states\n"
2931 "s Show QP histogram\n"
2936 /* select the stream that we must read now by looking at the
2937 smallest output pts */
2939 for (i = 0; i < nb_output_streams; i++) {
2943 ost = &output_streams[i];
2944 of = &output_files[ost->file_index];
2945 os = output_files[ost->file_index].ctx;
2946 ist = &input_streams[ost->source_index];
2947 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2948 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2950 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2952 if (!input_files[ist->file_index].eof_reached) {
2953 if (ipts < ipts_min) {
2956 file_index = ist->file_index;
2958 if (opts < opts_min) {
2960 if (!input_sync) file_index = ist->file_index;
2963 if (ost->frame_number >= ost->max_frames) {
2965 for (j = 0; j < of->ctx->nb_streams; j++)
2966 output_streams[of->ost_index + j].is_past_recording_time = 1;
2970 /* if none, if is finished */
2971 if (file_index < 0) {
2972 if (no_packet_count) {
2973 no_packet_count = 0;
2974 memset(no_packet, 0, nb_input_files);
2981 /* read a frame from it and output it in the fifo */
2982 is = input_files[file_index].ctx;
2983 ret = av_read_frame(is, &pkt);
2984 if (ret == AVERROR(EAGAIN)) {
2985 no_packet[file_index] = 1;
2990 input_files[file_index].eof_reached = 1;
2997 no_packet_count = 0;
2998 memset(no_packet, 0, nb_input_files);
3001 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3002 is->streams[pkt.stream_index]);
3004 /* the following test is needed in case new streams appear
3005 dynamically in stream : we ignore them */
3006 if (pkt.stream_index >= input_files[file_index].nb_streams)
3007 goto discard_packet;
3008 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3009 ist = &input_streams[ist_index];
3011 goto discard_packet;
3013 if (pkt.dts != AV_NOPTS_VALUE)
3014 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3015 if (pkt.pts != AV_NOPTS_VALUE)
3016 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3018 if (pkt.pts != AV_NOPTS_VALUE)
3019 pkt.pts *= ist->ts_scale;
3020 if (pkt.dts != AV_NOPTS_VALUE)
3021 pkt.dts *= ist->ts_scale;
3024 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3025 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3026 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3027 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3028 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3029 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3030 input_files[ist->file_index].ts_offset);
3033 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3034 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3035 int64_t delta = pkt_dts - ist->next_dts;
3036 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3037 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3038 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3039 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3040 pkt_dts+1<ist->pts){
3041 input_files[ist->file_index].ts_offset -= delta;
3042 av_log(NULL, AV_LOG_DEBUG,
3043 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3044 delta, input_files[ist->file_index].ts_offset);
3045 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3046 if (pkt.pts != AV_NOPTS_VALUE)
3047 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3050 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3051 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3052 pkt_dts+1<ist->pts){
3053 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3054 pkt.dts = AV_NOPTS_VALUE;
3056 if (pkt.pts != AV_NOPTS_VALUE){
3057 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3058 delta = pkt_pts - ist->next_dts;
3059 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3060 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3061 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3062 pkt.pts = AV_NOPTS_VALUE;
3068 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3069 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3071 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3072 ist->file_index, ist->st->index);
3075 av_free_packet(&pkt);
3080 av_free_packet(&pkt);
3082 /* dump report by using the output first video and audio streams */
3083 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3086 /* at the end of stream, we must flush the decoder buffers */
3087 for (i = 0; i < nb_input_streams; i++) {
3088 ist = &input_streams[i];
3089 if (ist->decoding_needed) {
3090 output_packet(ist, output_streams, nb_output_streams, NULL);
3093 flush_encoders(output_streams, nb_output_streams);
3097 /* write the trailer if needed and close file */
3098 for (i = 0; i < nb_output_files; i++) {
3099 os = output_files[i].ctx;
3100 av_write_trailer(os);
3103 /* dump report by using the first video and audio streams */
3104 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3106 /* close each encoder */
3107 for (i = 0; i < nb_output_streams; i++) {
3108 ost = &output_streams[i];
3109 if (ost->encoding_needed) {
3110 av_freep(&ost->st->codec->stats_in);
3111 avcodec_close(ost->st->codec);
3114 avfilter_graph_free(&ost->graph);
3118 /* close each decoder */
3119 for (i = 0; i < nb_input_streams; i++) {
3120 ist = &input_streams[i];
3121 if (ist->decoding_needed) {
3122 avcodec_close(ist->st->codec);
3130 av_freep(&no_packet);
3132 if (output_streams) {
3133 for (i = 0; i < nb_output_streams; i++) {
3134 ost = &output_streams[i];
3136 if (ost->stream_copy)
3137 av_freep(&ost->st->codec->extradata);
3139 fclose(ost->logfile);
3140 ost->logfile = NULL;
3142 av_fifo_free(ost->fifo); /* works even if fifo is not
3143 initialized but set to zero */
3144 av_freep(&ost->st->codec->subtitle_header);
3145 av_free(ost->resample_frame.data[0]);
3146 av_free(ost->forced_kf_pts);
3147 if (ost->video_resample)
3148 sws_freeContext(ost->img_resample_ctx);
3149 swr_free(&ost->swr);
3150 av_dict_free(&ost->opts);
3157 static int opt_frame_crop(const char *opt, const char *arg)
3159 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3160 return AVERROR(EINVAL);
3163 static int opt_pad(const char *opt, const char *arg)
3165 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3169 static int opt_video_channel(const char *opt, const char *arg)
3171 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3172 return opt_default("channel", arg);
3175 static int opt_video_standard(const char *opt, const char *arg)
3177 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3178 return opt_default("standard", arg);
3181 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3183 audio_codec_name = arg;
3184 return parse_option(o, "codec:a", arg, options);
3187 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3189 video_codec_name = arg;
3190 return parse_option(o, "codec:v", arg, options);
3193 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3195 subtitle_codec_name = arg;
3196 return parse_option(o, "codec:s", arg, options);
3199 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3201 return parse_option(o, "codec:d", arg, options);
3204 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3206 StreamMap *m = NULL;
3207 int i, negative = 0, file_idx;
3208 int sync_file_idx = -1, sync_stream_idx = 0;
3216 map = av_strdup(arg);
3218 /* parse sync stream first, just pick first matching stream */
3219 if (sync = strchr(map, ',')) {
3221 sync_file_idx = strtol(sync + 1, &sync, 0);
3222 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3223 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3228 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3229 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3230 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3231 sync_stream_idx = i;
3234 if (i == input_files[sync_file_idx].nb_streams) {
3235 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3236 "match any streams.\n", arg);
3242 file_idx = strtol(map, &p, 0);
3243 if (file_idx >= nb_input_files || file_idx < 0) {
3244 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3248 /* disable some already defined maps */
3249 for (i = 0; i < o->nb_stream_maps; i++) {
3250 m = &o->stream_maps[i];
3251 if (file_idx == m->file_index &&
3252 check_stream_specifier(input_files[m->file_index].ctx,
3253 input_files[m->file_index].ctx->streams[m->stream_index],
3254 *p == ':' ? p + 1 : p) > 0)
3258 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3259 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3260 *p == ':' ? p + 1 : p) <= 0)
3262 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3263 &o->nb_stream_maps, o->nb_stream_maps + 1);
3264 m = &o->stream_maps[o->nb_stream_maps - 1];
3266 m->file_index = file_idx;
3267 m->stream_index = i;
3269 if (sync_file_idx >= 0) {
3270 m->sync_file_index = sync_file_idx;
3271 m->sync_stream_index = sync_stream_idx;
3273 m->sync_file_index = file_idx;
3274 m->sync_stream_index = i;
3279 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3287 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3289 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3290 &o->nb_attachments, o->nb_attachments + 1);
3291 o->attachments[o->nb_attachments - 1] = arg;
3295 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3301 o->audio_channel_maps =
3302 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3303 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3304 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3306 /* muted channel syntax */
3307 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3308 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3309 m->file_idx = m->stream_idx = -1;
3311 m->ofile_idx = m->ostream_idx = -1;
3316 n = sscanf(arg, "%d.%d.%d:%d.%d",
3317 &m->file_idx, &m->stream_idx, &m->channel_idx,
3318 &m->ofile_idx, &m->ostream_idx);
3320 if (n != 3 && n != 5) {
3321 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3322 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3326 if (n != 5) // only file.stream.channel specified
3327 m->ofile_idx = m->ostream_idx = -1;
3330 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3331 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3335 if (m->stream_idx < 0 ||
3336 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3337 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3338 m->file_idx, m->stream_idx);
3341 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3342 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3343 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3344 m->file_idx, m->stream_idx);
3347 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3348 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3349 m->file_idx, m->stream_idx, m->channel_idx);
3356 * Parse a metadata specifier in arg.
3357 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3358 * @param index for type c/p, chapter/program index is written here
3359 * @param stream_spec for type s, the stream specifier is written here
3361 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3369 if (*(++arg) && *arg != ':') {
3370 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3373 *stream_spec = *arg == ':' ? arg + 1 : "";
3377 if (*(++arg) == ':')
3378 *index = strtol(++arg, NULL, 0);
3381 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3388 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3390 AVDictionary **meta_in = NULL;
3391 AVDictionary **meta_out = NULL;
3393 char type_in, type_out;
3394 const char *istream_spec = NULL, *ostream_spec = NULL;
3395 int idx_in = 0, idx_out = 0;
3397 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3398 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3400 if (type_in == 'g' || type_out == 'g')
3401 o->metadata_global_manual = 1;
3402 if (type_in == 's' || type_out == 's')
3403 o->metadata_streams_manual = 1;
3404 if (type_in == 'c' || type_out == 'c')
3405 o->metadata_chapters_manual = 1;
3407 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3408 if ((index) < 0 || (index) >= (nb_elems)) {\
3409 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3414 #define SET_DICT(type, meta, context, index)\
3417 meta = &context->metadata;\
3420 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3421 meta = &context->chapters[index]->metadata;\
3424 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3425 meta = &context->programs[index]->metadata;\
3429 SET_DICT(type_in, meta_in, ic, idx_in);
3430 SET_DICT(type_out, meta_out, oc, idx_out);
3432 /* for input streams choose first matching stream */
3433 if (type_in == 's') {
3434 for (i = 0; i < ic->nb_streams; i++) {
3435 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3436 meta_in = &ic->streams[i]->metadata;
3442 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3447 if (type_out == 's') {
3448 for (i = 0; i < oc->nb_streams; i++) {
3449 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3450 meta_out = &oc->streams[i]->metadata;
3451 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3456 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3461 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3464 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3465 struct tm time = *gmtime((time_t*)&recording_timestamp);
3466 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3467 parse_option(o, "metadata", buf, options);
3469 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3470 "tag instead.\n", opt);
3474 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3476 const char *codec_string = encoder ? "encoder" : "decoder";
3480 avcodec_find_encoder_by_name(name) :
3481 avcodec_find_decoder_by_name(name);
3483 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3486 if (codec->type != type) {
3487 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3493 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3495 char *codec_name = NULL;
3497 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3499 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3500 st->codec->codec_id = codec->id;
3503 return avcodec_find_decoder(st->codec->codec_id);
3507 * Add all the streams from the given input file to the global
3508 * list of input streams.
3510 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3513 char *next, *codec_tag = NULL;
3515 for (i = 0; i < ic->nb_streams; i++) {
3516 AVStream *st = ic->streams[i];
3517 AVCodecContext *dec = st->codec;
3520 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3521 ist = &input_streams[nb_input_streams - 1];
3523 ist->file_index = nb_input_files;
3525 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3527 ist->ts_scale = 1.0;
3528 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3530 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3532 uint32_t tag = strtol(codec_tag, &next, 0);
3534 tag = AV_RL32(codec_tag);
3535 st->codec->codec_tag = tag;
3538 ist->dec = choose_decoder(o, ic, st);
3540 switch (dec->codec_type) {
3541 case AVMEDIA_TYPE_AUDIO:
3543 ist->dec = avcodec_find_decoder(dec->codec_id);
3544 if (o->audio_disable)
3545 st->discard = AVDISCARD_ALL;
3547 case AVMEDIA_TYPE_VIDEO:
3549 ist->dec = avcodec_find_decoder(dec->codec_id);
3551 dec->flags |= CODEC_FLAG_EMU_EDGE;
3554 if (o->video_disable)
3555 st->discard = AVDISCARD_ALL;
3556 else if (video_discard)
3557 st->discard = video_discard;
3559 case AVMEDIA_TYPE_DATA:
3560 if (o->data_disable)
3561 st->discard= AVDISCARD_ALL;
3563 case AVMEDIA_TYPE_SUBTITLE:
3565 ist->dec = avcodec_find_decoder(dec->codec_id);
3566 if(o->subtitle_disable)
3567 st->discard = AVDISCARD_ALL;
3569 case AVMEDIA_TYPE_ATTACHMENT:
3570 case AVMEDIA_TYPE_UNKNOWN:
3578 static void assert_file_overwrite(const char *filename)
3580 if ((!file_overwrite || no_file_overwrite) &&
3581 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3582 av_strstart(filename, "file:", NULL))) {
3583 if (avio_check(filename, 0) == 0) {
3584 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3585 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3588 signal(SIGINT, SIG_DFL);
3589 if (!read_yesno()) {
3590 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
3596 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3603 static void dump_attachment(AVStream *st, const char *filename)
3606 AVIOContext *out = NULL;
3607 AVDictionaryEntry *e;
3609 if (!st->codec->extradata_size) {
3610 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3611 nb_input_files - 1, st->index);
3614 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3615 filename = e->value;
3617 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3618 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3622 assert_file_overwrite(filename);
3624 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3625 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3630 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3635 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3637 AVFormatContext *ic;
3638 AVInputFormat *file_iformat = NULL;
3642 AVDictionary **opts;
3643 int orig_nb_streams; // number of streams before avformat_find_stream_info
3646 if (!(file_iformat = av_find_input_format(o->format))) {
3647 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3652 if (!strcmp(filename, "-"))
3655 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3656 !strcmp(filename, "/dev/stdin");
3658 /* get default parameters from command line */
3659 ic = avformat_alloc_context();
3661 print_error(filename, AVERROR(ENOMEM));
3664 if (o->nb_audio_sample_rate) {
3665 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3666 av_dict_set(&format_opts, "sample_rate", buf, 0);
3668 if (o->nb_audio_channels) {
3669 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3670 av_dict_set(&format_opts, "channels", buf, 0);
3672 if (o->nb_frame_rates) {
3673 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3675 if (o->nb_frame_sizes) {
3676 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3678 if (o->nb_frame_pix_fmts)
3679 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3681 ic->video_codec_id = video_codec_name ?
3682 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3683 ic->audio_codec_id = audio_codec_name ?
3684 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3685 ic->subtitle_codec_id= subtitle_codec_name ?
3686 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3687 ic->flags |= AVFMT_FLAG_NONBLOCK;
3688 ic->interrupt_callback = int_cb;
3690 /* open the input file with generic avformat function */
3691 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3693 print_error(filename, err);
3696 assert_avoptions(format_opts);
3698 /* apply forced codec ids */
3699 for (i = 0; i < ic->nb_streams; i++)
3700 choose_decoder(o, ic, ic->streams[i]);
3702 /* Set AVCodecContext options for avformat_find_stream_info */
3703 opts = setup_find_stream_info_opts(ic, codec_opts);
3704 orig_nb_streams = ic->nb_streams;
3706 /* If not enough info to get the stream parameters, we decode the
3707 first frames to get it. (used in mpeg case for example) */
3708 ret = avformat_find_stream_info(ic, opts);
3710 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3711 avformat_close_input(&ic);
3715 timestamp = o->start_time;
3716 /* add the stream start time */
3717 if (ic->start_time != AV_NOPTS_VALUE)
3718 timestamp += ic->start_time;
3720 /* if seeking requested, we execute it */
3721 if (o->start_time != 0) {
3722 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3724 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3725 filename, (double)timestamp / AV_TIME_BASE);
3729 /* update the current parameters so that they match the one of the input stream */
3730 add_input_streams(o, ic);
3732 /* dump the file content */
3733 av_dump_format(ic, nb_input_files, filename, 0);
3735 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3736 input_files[nb_input_files - 1].ctx = ic;
3737 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3738 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3739 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3740 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3742 for (i = 0; i < o->nb_dump_attachment; i++) {
3745 for (j = 0; j < ic->nb_streams; j++) {
3746 AVStream *st = ic->streams[j];
3748 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3749 dump_attachment(st, o->dump_attachment[i].u.str);
3753 for (i = 0; i < orig_nb_streams; i++)
3754 av_dict_free(&opts[i]);
3757 reset_options(o, 1);
3761 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3766 for (p = kf; *p; p++)
3769 ost->forced_kf_count = n;
3770 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3771 if (!ost->forced_kf_pts) {
3772 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3775 for (i = 0; i < n; i++) {
3776 p = i ? strchr(p, ',') + 1 : kf;
3777 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3781 static uint8_t *get_line(AVIOContext *s)
3787 if (avio_open_dyn_buf(&line) < 0) {
3788 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3792 while ((c = avio_r8(s)) && c != '\n')
3795 avio_close_dyn_buf(line, &buf);
3800 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3803 char filename[1000];
3804 const char *base[3] = { getenv("AVCONV_DATADIR"),
3809 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3813 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3814 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3815 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3818 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3819 i != 1 ? "" : "/.avconv", preset_name);
3820 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3826 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3828 char *codec_name = NULL;
3830 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3832 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3833 NULL, ost->st->codec->codec_type);
3834 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3835 } else if (!strcmp(codec_name, "copy"))
3836 ost->stream_copy = 1;
3838 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3839 ost->st->codec->codec_id = ost->enc->id;
3843 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3846 AVStream *st = avformat_new_stream(oc, NULL);
3847 int idx = oc->nb_streams - 1, ret = 0;
3848 char *bsf = NULL, *next, *codec_tag = NULL;
3849 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3851 char *buf = NULL, *arg = NULL, *preset = NULL;
3852 AVIOContext *s = NULL;
3855 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3859 if (oc->nb_streams - 1 < o->nb_streamid_map)
3860 st->id = o->streamid_map[oc->nb_streams - 1];
3862 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3863 nb_output_streams + 1);
3864 ost = &output_streams[nb_output_streams - 1];
3865 ost->file_index = nb_output_files;
3868 st->codec->codec_type = type;
3869 choose_encoder(o, oc, ost);
3871 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3874 avcodec_get_context_defaults3(st->codec, ost->enc);
3875 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3877 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3878 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3881 if (!buf[0] || buf[0] == '#') {
3885 if (!(arg = strchr(buf, '='))) {
3886 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3890 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3892 } while (!s->eof_reached);
3896 av_log(NULL, AV_LOG_FATAL,
3897 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3898 preset, ost->file_index, ost->index);
3902 ost->max_frames = INT64_MAX;
3903 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3905 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3907 if (next = strchr(bsf, ','))
3909 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3910 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3914 bsfc_prev->next = bsfc;
3916 ost->bitstream_filters = bsfc;
3922 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3924 uint32_t tag = strtol(codec_tag, &next, 0);
3926 tag = AV_RL32(codec_tag);
3927 st->codec->codec_tag = tag;
3930 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3931 if (qscale >= 0 || same_quant) {
3932 st->codec->flags |= CODEC_FLAG_QSCALE;
3933 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3936 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3937 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3939 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3943 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3946 const char *p = str;
3953 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3960 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3964 AVCodecContext *video_enc;
3966 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3968 video_enc = st->codec;
3970 if (!ost->stream_copy) {
3971 const char *p = NULL;
3972 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3973 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3974 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3977 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3978 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3979 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3983 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3984 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3985 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3989 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3990 if (frame_aspect_ratio) {
3992 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
3993 q.num <= 0 || q.den <= 0) {
3994 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
3997 ost->frame_aspect_ratio = av_q2d(q);
4000 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4001 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4002 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4003 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4006 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4009 video_enc->gop_size = 0;
4010 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4012 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4013 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4016 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4018 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4020 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4021 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4024 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4027 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4028 for (i = 0; p; i++) {
4030 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4032 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4035 /* FIXME realloc failure */
4036 video_enc->rc_override =
4037 av_realloc(video_enc->rc_override,
4038 sizeof(RcOverride) * (i + 1));
4039 video_enc->rc_override[i].start_frame = start;
4040 video_enc->rc_override[i].end_frame = end;
4042 video_enc->rc_override[i].qscale = q;
4043 video_enc->rc_override[i].quality_factor = 1.0;
4046 video_enc->rc_override[i].qscale = 0;
4047 video_enc->rc_override[i].quality_factor = -q/100.0;
4052 video_enc->rc_override_count = i;
4053 if (!video_enc->rc_initial_buffer_occupancy)
4054 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4055 video_enc->intra_dc_precision = intra_dc_precision - 8;
4058 video_enc->flags|= CODEC_FLAG_PSNR;
4063 video_enc->flags |= CODEC_FLAG_PASS1;
4066 video_enc->flags |= CODEC_FLAG_PASS2;
4070 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4071 if (forced_key_frames)
4072 parse_forced_key_frames(forced_key_frames, ost);
4074 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4076 ost->top_field_first = -1;
4077 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4080 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4082 ost->avfilter = av_strdup(filters);
4085 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4091 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4096 AVCodecContext *audio_enc;
4098 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4101 audio_enc = st->codec;
4102 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4104 if (!ost->stream_copy) {
4105 char *sample_fmt = NULL;
4107 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4109 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4111 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4112 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4116 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4118 ost->rematrix_volume=1.0;
4119 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4122 /* check for channel mapping for this audio stream */
4123 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4124 AudioChannelMap *map = &o->audio_channel_maps[n];
4125 InputStream *ist = &input_streams[ost->source_index];
4126 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4127 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4128 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4129 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4130 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4132 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4133 ost->file_index, ost->st->index);
4140 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4144 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4145 if (!ost->stream_copy) {
4146 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4153 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4155 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4156 ost->stream_copy = 1;
4160 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4164 AVCodecContext *subtitle_enc;
4166 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4168 subtitle_enc = st->codec;
4170 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4175 /* arg format is "output-stream-index:streamid-value". */
4176 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4182 av_strlcpy(idx_str, arg, sizeof(idx_str));
4183 p = strchr(idx_str, ':');
4185 av_log(NULL, AV_LOG_FATAL,
4186 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4191 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4192 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4193 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4197 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4199 AVFormatContext *is = ifile->ctx;
4200 AVFormatContext *os = ofile->ctx;
4203 for (i = 0; i < is->nb_chapters; i++) {
4204 AVChapter *in_ch = is->chapters[i], *out_ch;
4205 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4206 AV_TIME_BASE_Q, in_ch->time_base);
4207 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4208 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4211 if (in_ch->end < ts_off)
4213 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4216 out_ch = av_mallocz(sizeof(AVChapter));
4218 return AVERROR(ENOMEM);
4220 out_ch->id = in_ch->id;
4221 out_ch->time_base = in_ch->time_base;
4222 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4223 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4226 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4229 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4231 return AVERROR(ENOMEM);
4232 os->chapters[os->nb_chapters - 1] = out_ch;
4237 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4240 AVFormatContext *ic = avformat_alloc_context();
4242 ic->interrupt_callback = int_cb;
4243 err = avformat_open_input(&ic, filename, NULL, NULL);
4246 /* copy stream format */
4247 for(i=0;i<ic->nb_streams;i++) {
4251 AVCodecContext *avctx;
4253 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4254 ost = new_output_stream(o, s, codec->type);
4259 // FIXME: a more elegant solution is needed
4260 memcpy(st, ic->streams[i], sizeof(AVStream));
4261 st->info = av_malloc(sizeof(*st->info));
4262 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4264 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4266 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4267 choose_sample_fmt(st, codec);
4268 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4269 choose_pixel_fmt(st, codec);
4272 avformat_close_input(&ic);
4276 static void opt_output_file(void *optctx, const char *filename)
4278 OptionsContext *o = optctx;
4279 AVFormatContext *oc;
4281 AVOutputFormat *file_oformat;
4285 if (!strcmp(filename, "-"))
4288 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4290 print_error(filename, err);
4293 file_oformat= oc->oformat;
4294 oc->interrupt_callback = int_cb;
4296 if (!strcmp(file_oformat->name, "ffm") &&
4297 av_strstart(filename, "http:", NULL)) {
4299 /* special case for files sent to ffserver: we get the stream
4300 parameters from ffserver */
4301 int err = read_ffserver_streams(o, oc, filename);
4303 print_error(filename, err);
4306 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4307 ost = &output_streams[j];
4308 for (i = 0; i < nb_input_streams; i++) {
4309 ist = &input_streams[i];
4310 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4312 ost->source_index= i;
4318 av_log(NULL, AV_LOG_FATAL, "Missing %s stream which is required by this ffm\n", av_get_media_type_string(ost->st->codec->codec_type));
4322 } else if (!o->nb_stream_maps) {
4323 /* pick the "best" stream of each type */
4324 #define NEW_STREAM(type, index)\
4326 ost = new_ ## type ## _stream(o, oc);\
4327 ost->source_index = index;\
4328 ost->sync_ist = &input_streams[index];\
4329 input_streams[index].discard = 0;\
4332 /* video: highest resolution */
4333 if (!o->video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
4334 int area = 0, idx = -1;
4335 for (i = 0; i < nb_input_streams; i++) {
4336 ist = &input_streams[i];
4337 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
4338 ist->st->codec->width * ist->st->codec->height > area) {
4339 area = ist->st->codec->width * ist->st->codec->height;
4343 NEW_STREAM(video, idx);
4346 /* audio: most channels */
4347 if (!o->audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
4348 int channels = 0, idx = -1;
4349 for (i = 0; i < nb_input_streams; i++) {
4350 ist = &input_streams[i];
4351 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
4352 ist->st->codec->channels > channels) {
4353 channels = ist->st->codec->channels;
4357 NEW_STREAM(audio, idx);
4360 /* subtitles: pick first */
4361 if (!o->subtitle_disable && (oc->oformat->subtitle_codec != CODEC_ID_NONE || subtitle_codec_name)) {
4362 for (i = 0; i < nb_input_streams; i++)
4363 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
4364 NEW_STREAM(subtitle, i);
4368 /* do something with data? */
4370 for (i = 0; i < o->nb_stream_maps; i++) {
4371 StreamMap *map = &o->stream_maps[i];
4376 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
4377 if(o->subtitle_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE)
4379 if(o-> audio_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
4381 if(o-> video_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
4383 if(o-> data_disable && ist->st->codec->codec_type == AVMEDIA_TYPE_DATA)
4386 switch (ist->st->codec->codec_type) {
4387 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(o, oc); break;
4388 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(o, oc); break;
4389 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(o, oc); break;
4390 case AVMEDIA_TYPE_DATA: ost = new_data_stream(o, oc); break;
4391 case AVMEDIA_TYPE_ATTACHMENT: ost = new_attachment_stream(o, oc); break;
4393 av_log(NULL, AV_LOG_FATAL, "Cannot map stream #%d:%d - unsupported type.\n",
4394 map->file_index, map->stream_index);
4398 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
4399 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
4400 map->sync_stream_index];
4406 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
4407 AVDictionaryEntry *e;
4408 ost = &output_streams[i];
4410 if ( ost->stream_copy
4411 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
4412 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
4413 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
4417 /* handle attached files */
4418 for (i = 0; i < o->nb_attachments; i++) {
4420 uint8_t *attachment;
4424 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4425 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4429 if ((len = avio_size(pb)) <= 0) {
4430 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4434 if (!(attachment = av_malloc(len))) {
4435 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4439 avio_read(pb, attachment, len);
4441 ost = new_attachment_stream(o, oc);
4442 ost->stream_copy = 0;
4443 ost->source_index = -1;
4444 ost->attachment_filename = o->attachments[i];
4445 ost->st->codec->extradata = attachment;
4446 ost->st->codec->extradata_size = len;
4448 p = strrchr(o->attachments[i], '/');
4449 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4453 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4454 output_files[nb_output_files - 1].ctx = oc;
4455 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4456 output_files[nb_output_files - 1].recording_time = o->recording_time;
4457 if (o->recording_time != INT64_MAX)
4458 oc->duration = o->recording_time;
4459 output_files[nb_output_files - 1].start_time = o->start_time;
4460 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4461 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4463 /* check filename in case of an image number is expected */
4464 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4465 if (!av_filename_number_test(oc->filename)) {
4466 print_error(oc->filename, AVERROR(EINVAL));
4471 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4472 /* test if it already exists to avoid losing precious files */
4473 assert_file_overwrite(filename);
4476 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4477 &oc->interrupt_callback,
4478 &output_files[nb_output_files - 1].opts)) < 0) {
4479 print_error(filename, err);
4484 if (o->mux_preload) {
4486 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4487 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4489 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4492 for (i = 0; i < o->nb_metadata_map; i++) {
4494 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4496 if (in_file_index < 0)
4498 if (in_file_index >= nb_input_files) {
4499 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4502 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4506 if (o->chapters_input_file >= nb_input_files) {
4507 if (o->chapters_input_file == INT_MAX) {
4508 /* copy chapters from the first input file that has them*/
4509 o->chapters_input_file = -1;
4510 for (i = 0; i < nb_input_files; i++)
4511 if (input_files[i].ctx->nb_chapters) {
4512 o->chapters_input_file = i;
4516 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4517 o->chapters_input_file);
4521 if (o->chapters_input_file >= 0)
4522 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4523 !o->metadata_chapters_manual);
4525 /* copy global metadata by default */
4526 if (!o->metadata_global_manual && nb_input_files){
4527 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4528 AV_DICT_DONT_OVERWRITE);
4529 if(o->recording_time != INT64_MAX)
4530 av_dict_set(&oc->metadata, "duration", NULL, 0);
4532 if (!o->metadata_streams_manual)
4533 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4535 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4537 ist = &input_streams[output_streams[i].source_index];
4538 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4541 /* process manually set metadata */
4542 for (i = 0; i < o->nb_metadata; i++) {
4545 const char *stream_spec;
4546 int index = 0, j, ret = 0;
4548 val = strchr(o->metadata[i].u.str, '=');
4550 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4551 o->metadata[i].u.str);
4556 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4558 for (j = 0; j < oc->nb_streams; j++) {
4559 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4560 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4564 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4572 if (index < 0 || index >= oc->nb_chapters) {
4573 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4576 m = &oc->chapters[index]->metadata;
4579 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4582 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4586 reset_options(o, 0);
4589 /* same option as mencoder */
4590 static int opt_pass(const char *opt, const char *arg)
4592 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4596 static int64_t getutime(void)
4599 struct rusage rusage;
4601 getrusage(RUSAGE_SELF, &rusage);
4602 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4603 #elif HAVE_GETPROCESSTIMES
4605 FILETIME c, e, k, u;
4606 proc = GetCurrentProcess();
4607 GetProcessTimes(proc, &c, &e, &k, &u);
4608 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4610 return av_gettime();
4614 static int64_t getmaxrss(void)
4616 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4617 struct rusage rusage;
4618 getrusage(RUSAGE_SELF, &rusage);
4619 return (int64_t)rusage.ru_maxrss * 1024;
4620 #elif HAVE_GETPROCESSMEMORYINFO
4622 PROCESS_MEMORY_COUNTERS memcounters;
4623 proc = GetCurrentProcess();
4624 memcounters.cb = sizeof(memcounters);
4625 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4626 return memcounters.PeakPagefileUsage;
4632 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4634 return parse_option(o, "q:a", arg, options);
4637 static void show_usage(void)
4639 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4640 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4641 av_log(NULL, AV_LOG_INFO, "\n");
4644 static int opt_help(const char *opt, const char *arg)
4646 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4647 av_log_set_callback(log_callback_help);
4649 show_help_options(options, "Main options:\n",
4650 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4651 show_help_options(options, "\nAdvanced options:\n",
4652 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4654 show_help_options(options, "\nVideo options:\n",
4655 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4657 show_help_options(options, "\nAdvanced Video options:\n",
4658 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4659 OPT_VIDEO | OPT_EXPERT);
4660 show_help_options(options, "\nAudio options:\n",
4661 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4663 show_help_options(options, "\nAdvanced Audio options:\n",
4664 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4665 OPT_AUDIO | OPT_EXPERT);
4666 show_help_options(options, "\nSubtitle options:\n",
4667 OPT_SUBTITLE | OPT_GRAB,
4669 show_help_options(options, "\nAudio/Video grab options:\n",
4673 show_help_children(avcodec_get_class(), flags);
4674 show_help_children(avformat_get_class(), flags);
4675 show_help_children(sws_get_class(), flags);
4680 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4682 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4683 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4685 if (!strncmp(arg, "pal-", 4)) {
4688 } else if (!strncmp(arg, "ntsc-", 5)) {
4691 } else if (!strncmp(arg, "film-", 5)) {
4695 /* Try to determine PAL/NTSC by peeking in the input files */
4696 if (nb_input_files) {
4698 for (j = 0; j < nb_input_files; j++) {
4699 for (i = 0; i < input_files[j].nb_streams; i++) {
4700 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4701 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4703 fr = c->time_base.den * 1000 / c->time_base.num;
4707 } else if ((fr == 29970) || (fr == 23976)) {
4712 if (norm != UNKNOWN)
4716 if (norm != UNKNOWN)
4717 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4720 if (norm == UNKNOWN) {
4721 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4722 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4723 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4727 if (!strcmp(arg, "vcd")) {
4728 opt_video_codec(o, "c:v", "mpeg1video");
4729 opt_audio_codec(o, "c:a", "mp2");
4730 parse_option(o, "f", "vcd", options);
4732 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4733 parse_option(o, "r", frame_rates[norm], options);
4734 opt_default("g", norm == PAL ? "15" : "18");
4736 opt_default("b:v", "1150000");
4737 opt_default("maxrate", "1150000");
4738 opt_default("minrate", "1150000");
4739 opt_default("bufsize", "327680"); // 40*1024*8;
4741 opt_default("b:a", "224000");
4742 parse_option(o, "ar", "44100", options);
4743 parse_option(o, "ac", "2", options);
4745 opt_default("packetsize", "2324");
4746 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4748 /* We have to offset the PTS, so that it is consistent with the SCR.
4749 SCR starts at 36000, but the first two packs contain only padding
4750 and the first pack from the other stream, respectively, may also have
4751 been written before.
4752 So the real data starts at SCR 36000+3*1200. */
4753 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4754 } else if (!strcmp(arg, "svcd")) {
4756 opt_video_codec(o, "c:v", "mpeg2video");
4757 opt_audio_codec(o, "c:a", "mp2");
4758 parse_option(o, "f", "svcd", options);
4760 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4761 parse_option(o, "r", frame_rates[norm], options);
4762 parse_option(o, "pix_fmt", "yuv420p", options);
4763 opt_default("g", norm == PAL ? "15" : "18");
4765 opt_default("b:v", "2040000");
4766 opt_default("maxrate", "2516000");
4767 opt_default("minrate", "0"); // 1145000;
4768 opt_default("bufsize", "1835008"); // 224*1024*8;
4769 opt_default("flags", "+scan_offset");
4772 opt_default("b:a", "224000");
4773 parse_option(o, "ar", "44100", options);
4775 opt_default("packetsize", "2324");
4777 } else if (!strcmp(arg, "dvd")) {
4779 opt_video_codec(o, "c:v", "mpeg2video");
4780 opt_audio_codec(o, "c:a", "ac3");
4781 parse_option(o, "f", "dvd", options);
4783 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4784 parse_option(o, "r", frame_rates[norm], options);
4785 parse_option(o, "pix_fmt", "yuv420p", options);
4786 opt_default("g", norm == PAL ? "15" : "18");
4788 opt_default("b:v", "6000000");
4789 opt_default("maxrate", "9000000");
4790 opt_default("minrate", "0"); // 1500000;
4791 opt_default("bufsize", "1835008"); // 224*1024*8;
4793 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4794 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4796 opt_default("b:a", "448000");
4797 parse_option(o, "ar", "48000", options);
4799 } else if (!strncmp(arg, "dv", 2)) {
4801 parse_option(o, "f", "dv", options);
4803 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4804 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4805 norm == PAL ? "yuv420p" : "yuv411p", options);
4806 parse_option(o, "r", frame_rates[norm], options);
4808 parse_option(o, "ar", "48000", options);
4809 parse_option(o, "ac", "2", options);
4812 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4813 return AVERROR(EINVAL);
4818 static int opt_vstats_file(const char *opt, const char *arg)
4820 av_free (vstats_filename);
4821 vstats_filename = av_strdup (arg);
4825 static int opt_vstats(const char *opt, const char *arg)
4828 time_t today2 = time(NULL);
4829 struct tm *today = localtime(&today2);
4831 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4833 return opt_vstats_file(opt, filename);
4836 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4838 return parse_option(o, "frames:v", arg, options);
4841 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4843 return parse_option(o, "frames:a", arg, options);
4846 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4848 return parse_option(o, "frames:d", arg, options);
4851 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4854 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4855 const char *codec_name = *opt == 'v' ? video_codec_name :
4856 *opt == 'a' ? audio_codec_name :
4857 subtitle_codec_name;
4859 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4860 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4861 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4863 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4868 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4869 if(line[0] == '#' && !e)
4871 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4873 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4876 if(!strcmp(tmp, "acodec")){
4877 opt_audio_codec(o, tmp, tmp2);
4878 }else if(!strcmp(tmp, "vcodec")){
4879 opt_video_codec(o, tmp, tmp2);
4880 }else if(!strcmp(tmp, "scodec")){
4881 opt_subtitle_codec(o, tmp, tmp2);
4882 }else if(!strcmp(tmp, "dcodec")){
4883 opt_data_codec(o, tmp, tmp2);
4884 }else if(opt_default(tmp, tmp2) < 0){
4885 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4895 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4899 static int opt_passlogfile(const char *opt, const char *arg)
4901 pass_logfilename_prefix = arg;
4902 #if CONFIG_LIBX264_ENCODER
4903 return opt_default(opt, arg);
4909 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4911 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4912 int ret = parse_option(o, s, arg, options);
4917 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4919 if(!strcmp(opt, "b")){
4920 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4921 return parse_option(o, "b:v", arg, options);
4923 return opt_default(opt, arg);
4926 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
4930 if(!strcmp(opt, "qscale")){
4931 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
4932 return parse_option(o, "q:v", arg, options);
4934 s = av_asprintf("q%s", opt + 6);
4935 ret = parse_option(o, s, arg, options);
4940 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4942 return parse_option(o, "filter:v", arg, options);
4945 static int opt_vsync(const char *opt, const char *arg)
4947 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4948 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4949 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4950 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
4952 if (video_sync_method == VSYNC_AUTO)
4953 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4957 static int opt_deinterlace(const char *opt, const char *arg)
4959 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4964 #define OFFSET(x) offsetof(OptionsContext, x)
4965 static const OptionDef options[] = {
4967 #include "cmdutils_common_opts.h"
4968 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4969 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4970 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4971 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4972 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4973 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4974 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4975 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4976 { "map_channel", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map_channel}, "map an audio channel from one stream to another", "file.stream.channel[:syncfile.syncstream]" },
4977 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4978 "outfile[,metadata]:infile[,metadata]" },
4979 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4980 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4981 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4982 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4983 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4984 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4985 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4986 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4987 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4988 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4989 "add timings for benchmarking" },
4990 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4991 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4992 "dump each input packet" },
4993 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4994 "when dumping packets, also dump the payload" },
4995 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4996 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4997 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4998 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4999 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5000 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5001 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
5002 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5003 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5004 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5005 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5006 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5007 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5008 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5009 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5010 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5012 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5014 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5015 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5016 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5017 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5020 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5021 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5022 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5023 { "aspect", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_aspect_ratios)}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
5024 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5025 { "bits_per_raw_sample", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&frame_bits_per_raw_sample}, "set the number of bits per raw sample", "number" },
5026 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5027 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5028 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5029 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5030 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5031 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5032 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5033 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5034 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5035 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
5036 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5037 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5038 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5039 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5040 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5041 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5042 "use same quantizer as source (implies VBR)" },
5043 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5044 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5045 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5046 "this option is deprecated, use the yadif filter instead" },
5047 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5048 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5049 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5051 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5053 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5054 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5055 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5056 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5057 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5058 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5059 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5060 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5061 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(forced_key_frames)}, "force key frames at specified timestamps", "timestamps" },
5062 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5065 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5066 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5067 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5068 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5069 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5070 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5071 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5072 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5073 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5074 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5076 /* subtitle options */
5077 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5078 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5079 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5082 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5083 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5084 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5087 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5088 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5090 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5091 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5092 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5094 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5095 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5096 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5097 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5098 /* data codec support */
5099 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5100 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5102 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5106 int main(int argc, char **argv)
5108 OptionsContext o = { 0 };
5111 reset_options(&o, 0);
5113 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5114 parse_loglevel(argc, argv, options);
5116 if(argc>1 && !strcmp(argv[1], "-d")){
5118 av_log_set_callback(log_callback_null);
5123 avcodec_register_all();
5125 avdevice_register_all();
5128 avfilter_register_all();
5131 avformat_network_init();
5133 show_banner(argc, argv, options);
5138 parse_options(&o, argc, argv, options, opt_output_file);
5140 if (nb_output_files <= 0 && nb_input_files == 0) {
5142 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5146 /* file converter / grab */
5147 if (nb_output_files <= 0) {
5148 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5152 if (nb_input_files == 0) {
5153 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5158 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5160 ti = getutime() - ti;
5162 int maxrss = getmaxrss() / 1024;
5163 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);