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) || s->pix_fmt<0)
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));
1271 av_log(NULL, AV_LOG_FATAL, "swr_convert failed\n");
1274 size_out = size_out * enc->channels * osize;
1280 av_assert0(ost->audio_resample || dec->sample_fmt==enc->sample_fmt);
1282 /* now encode as many frames as possible */
1283 if (!(enc->codec->capabilities & CODEC_CAP_VARIABLE_FRAME_SIZE)) {
1284 /* output resampled raw samples */
1285 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
1286 av_log(NULL, AV_LOG_FATAL, "av_fifo_realloc2() failed\n");
1289 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
1291 frame_bytes = enc->frame_size * osize * enc->channels;
1293 while (av_fifo_size(ost->fifo) >= frame_bytes) {
1294 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
1295 encode_audio_frame(s, ost, audio_buf, frame_bytes);
1298 encode_audio_frame(s, ost, buftmp, size_out);
1302 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1304 AVCodecContext *dec;
1305 AVPicture *picture2;
1306 AVPicture picture_tmp;
1309 dec = ist->st->codec;
1311 /* deinterlace : must be done before any resize */
1312 if (do_deinterlace) {
1315 /* create temporary picture */
1316 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1317 buf = av_malloc(size);
1321 picture2 = &picture_tmp;
1322 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1324 if (avpicture_deinterlace(picture2, picture,
1325 dec->pix_fmt, dec->width, dec->height) < 0) {
1326 /* if error, do not deinterlace */
1327 av_log(NULL, AV_LOG_WARNING, "Deinterlacing failed\n");
1336 if (picture != picture2)
1337 *picture = *picture2;
1341 static void do_subtitle_out(AVFormatContext *s,
1347 static uint8_t *subtitle_out = NULL;
1348 int subtitle_out_max_size = 1024 * 1024;
1349 int subtitle_out_size, nb, i;
1350 AVCodecContext *enc;
1353 if (pts == AV_NOPTS_VALUE) {
1354 av_log(NULL, AV_LOG_ERROR, "Subtitle packets must have a pts\n");
1360 enc = ost->st->codec;
1362 if (!subtitle_out) {
1363 subtitle_out = av_malloc(subtitle_out_max_size);
1366 /* Note: DVB subtitle need one packet to draw them and one other
1367 packet to clear them */
1368 /* XXX: signal it in the codec context ? */
1369 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1374 for (i = 0; i < nb; i++) {
1375 ost->sync_opts = av_rescale_q(pts, ist->st->time_base, enc->time_base);
1377 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1378 // start_display_time is required to be 0
1379 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){ 1, 1000 }, AV_TIME_BASE_Q);
1380 sub->end_display_time -= sub->start_display_time;
1381 sub->start_display_time = 0;
1382 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1383 subtitle_out_max_size, sub);
1384 if (subtitle_out_size < 0) {
1385 av_log(NULL, AV_LOG_FATAL, "Subtitle encoding failed\n");
1389 av_init_packet(&pkt);
1390 pkt.data = subtitle_out;
1391 pkt.size = subtitle_out_size;
1392 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1393 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1394 /* XXX: the pts correction is handled here. Maybe handling
1395 it in the codec would be better */
1397 pkt.pts += 90 * sub->start_display_time;
1399 pkt.pts += 90 * sub->end_display_time;
1401 write_frame(s, &pkt, ost);
1405 static void do_video_resample(OutputStream *ost,
1407 AVFrame *in_picture,
1408 AVFrame **out_picture)
1411 *out_picture = in_picture;
1413 AVCodecContext *dec = ist->st->codec;
1414 AVCodecContext *enc = ost->st->codec;
1415 int resample_changed = ost->resample_width != in_picture->width ||
1416 ost->resample_height != in_picture->height ||
1417 ost->resample_pix_fmt != in_picture->format;
1419 *out_picture = in_picture;
1420 if (resample_changed) {
1421 av_log(NULL, AV_LOG_INFO,
1422 "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",
1423 ist->file_index, ist->st->index,
1424 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1425 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt),
1426 in_picture->width, in_picture->height, av_get_pix_fmt_name(in_picture->format));
1427 ost->resample_width = in_picture->width;
1428 ost->resample_height = in_picture->height;
1429 ost->resample_pix_fmt = in_picture->format;
1432 ost->video_resample = in_picture->width != enc->width ||
1433 in_picture->height != enc->height ||
1434 in_picture->format != enc->pix_fmt;
1436 if (ost->video_resample) {
1437 *out_picture = &ost->resample_frame;
1438 if (!ost->img_resample_ctx || resample_changed) {
1439 /* initialize the destination picture */
1440 if (!ost->resample_frame.data[0]) {
1441 avcodec_get_frame_defaults(&ost->resample_frame);
1442 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1443 enc->width, enc->height)) {
1444 av_log(NULL, AV_LOG_FATAL, "Cannot allocate temp picture, check pix fmt\n");
1448 /* initialize a new scaler context */
1449 sws_freeContext(ost->img_resample_ctx);
1450 ost->img_resample_ctx = sws_getContext(in_picture->width, in_picture->height, in_picture->format,
1451 enc->width, enc->height, enc->pix_fmt,
1452 ost->sws_flags, NULL, NULL, NULL);
1453 if (ost->img_resample_ctx == NULL) {
1454 av_log(NULL, AV_LOG_FATAL, "Cannot get resampling context\n");
1458 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1459 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1464 static double psnr(double d)
1466 return -10.0 * log(d) / log(10.0);
1469 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1472 AVCodecContext *enc;
1474 double ti1, bitrate, avg_bitrate;
1476 /* this is executed just the first time do_video_stats is called */
1478 vstats_file = fopen(vstats_filename, "w");
1485 enc = ost->st->codec;
1486 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1487 frame_number = ost->frame_number;
1488 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality / (float)FF_QP2LAMBDA);
1489 if (enc->flags&CODEC_FLAG_PSNR)
1490 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0] / (enc->width * enc->height * 255.0 * 255.0)));
1492 fprintf(vstats_file,"f_size= %6d ", frame_size);
1493 /* compute pts value */
1494 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1498 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1499 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1500 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1501 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1502 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1507 static void do_video_out(AVFormatContext *s, OutputStream *ost,
1508 InputStream *ist, AVFrame *in_picture)
1510 int nb_frames, i, ret, format_video_sync;
1511 AVFrame *final_picture;
1512 AVCodecContext *enc;
1513 double sync_ipts, delta;
1514 double duration = 0;
1516 float quality = same_quant ? in_picture->quality
1517 : ost->st->codec->global_quality;
1519 enc = ost->st->codec;
1521 if (ist->st->start_time != AV_NOPTS_VALUE && ist->st->first_dts != AV_NOPTS_VALUE) {
1522 duration = FFMAX(av_q2d(ist->st->time_base), av_q2d(ist->st->codec->time_base));
1523 if(ist->st->avg_frame_rate.num)
1524 duration= FFMAX(duration, 1/av_q2d(ist->st->avg_frame_rate));
1526 duration /= av_q2d(enc->time_base);
1529 sync_ipts = get_sync_ipts(ost, in_picture->pts) / av_q2d(enc->time_base);
1530 delta = sync_ipts - ost->sync_opts + duration;
1532 /* by default, we output a single frame */
1535 format_video_sync = video_sync_method;
1536 if (format_video_sync == VSYNC_AUTO)
1537 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? ((s->oformat->flags & AVFMT_NOTIMESTAMPS) ? VSYNC_PASSTHROUGH : VSYNC_VFR) : 1;
1539 switch (format_video_sync) {
1541 // FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1544 else if (delta > 1.1)
1545 nb_frames = lrintf(delta);
1550 else if (delta > 0.6)
1551 ost->sync_opts = lrintf(sync_ipts);
1554 case VSYNC_PASSTHROUGH:
1555 ost->sync_opts = lrintf(sync_ipts);
1561 nb_frames = FFMIN(nb_frames, ost->max_frames - ost->frame_number);
1562 if (nb_frames == 0) {
1564 av_log(NULL, AV_LOG_VERBOSE, "*** drop!\n");
1566 } else if (nb_frames > 1) {
1567 nb_frames_dup += nb_frames - 1;
1568 av_log(NULL, AV_LOG_VERBOSE, "*** %d dup!\n", nb_frames - 1);
1571 do_video_resample(ost, ist, in_picture, &final_picture);
1573 /* duplicates frame if needed */
1574 for (i = 0; i < nb_frames; i++) {
1576 av_init_packet(&pkt);
1580 if (s->oformat->flags & AVFMT_RAWPICTURE &&
1581 enc->codec->id == CODEC_ID_RAWVIDEO) {
1582 /* raw pictures are written as AVPicture structure to
1583 avoid any copies. We support temporarily the older
1585 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1586 enc->coded_frame->top_field_first = in_picture->top_field_first;
1587 pkt.data = (uint8_t *)final_picture;
1588 pkt.size = sizeof(AVPicture);
1589 pkt.pts = av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1590 pkt.flags |= AV_PKT_FLAG_KEY;
1592 write_frame(s, &pkt, ost);
1595 AVFrame big_picture;
1597 big_picture = *final_picture;
1598 /* better than nothing: use input picture interlaced
1600 big_picture.interlaced_frame = in_picture->interlaced_frame;
1601 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1602 if (ost->top_field_first == -1)
1603 big_picture.top_field_first = in_picture->top_field_first;
1605 big_picture.top_field_first = !!ost->top_field_first;
1608 /* handles same_quant here. This is not correct because it may
1609 not be a global option */
1610 big_picture.quality = quality;
1611 if (!enc->me_threshold)
1612 big_picture.pict_type = 0;
1613 big_picture.pts = ost->sync_opts;
1614 if (ost->forced_kf_index < ost->forced_kf_count &&
1615 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1616 big_picture.pict_type = AV_PICTURE_TYPE_I;
1617 ost->forced_kf_index++;
1619 ret = avcodec_encode_video2(enc, &pkt, &big_picture, &got_packet);
1621 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1626 if (pkt.pts == AV_NOPTS_VALUE && !(enc->codec->capabilities & CODEC_CAP_DELAY))
1627 pkt.pts = ost->sync_opts;
1629 if (pkt.pts != AV_NOPTS_VALUE)
1630 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1631 if (pkt.dts != AV_NOPTS_VALUE)
1632 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1635 av_log(NULL, AV_LOG_INFO, "encoder -> type:video "
1636 "pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s\n",
1637 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ost->st->time_base),
1638 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ost->st->time_base));
1641 if (format_video_sync == VSYNC_DROP)
1642 pkt.pts = pkt.dts = AV_NOPTS_VALUE;
1644 write_frame(s, &pkt, ost);
1645 frame_size = pkt.size;
1646 video_size += pkt.size;
1647 av_free_packet(&pkt);
1649 /* if two pass, output log */
1650 if (ost->logfile && enc->stats_out) {
1651 fprintf(ost->logfile, "%s", enc->stats_out);
1657 * For video, number of frames in == number of packets out.
1658 * But there may be reordering, so we can't throw away frames on encoder
1659 * flush, we need to limit them here, before they go into encoder.
1661 ost->frame_number++;
1663 if (vstats_filename && frame_size)
1664 do_video_stats(output_files[ost->file_index].ctx, ost, frame_size);
1667 static void print_report(OutputFile *output_files,
1668 OutputStream *ost_table, int nb_ostreams,
1669 int is_last_report, int64_t timer_start, int64_t cur_time)
1673 AVFormatContext *oc;
1675 AVCodecContext *enc;
1676 int frame_number, vid, i;
1678 int64_t pts = INT64_MAX;
1679 static int64_t last_time = -1;
1680 static int qp_histogram[52];
1681 int hours, mins, secs, us;
1683 if (!print_stats && !is_last_report)
1686 if (!is_last_report) {
1687 if (last_time == -1) {
1688 last_time = cur_time;
1691 if ((cur_time - last_time) < 500000)
1693 last_time = cur_time;
1697 oc = output_files[0].ctx;
1699 total_size = avio_size(oc->pb);
1700 if (total_size < 0) { // FIXME improve avio_size() so it works with non seekable output too
1701 total_size = avio_tell(oc->pb);
1708 for (i = 0; i < nb_ostreams; i++) {
1710 ost = &ost_table[i];
1711 enc = ost->st->codec;
1712 if (!ost->stream_copy && enc->coded_frame)
1713 q = enc->coded_frame->quality / (float)FF_QP2LAMBDA;
1714 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1715 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1717 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1718 float t = (cur_time-timer_start) / 1000000.0;
1720 frame_number = ost->frame_number;
1721 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1722 frame_number, (t > 1) ? (int)(frame_number / t + 0.5) : 0, q);
1724 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1728 if (qp >= 0 && qp < FF_ARRAY_ELEMS(qp_histogram))
1730 for (j = 0; j < 32; j++)
1731 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j] + 1) / log(2)));
1733 if (enc->flags&CODEC_FLAG_PSNR) {
1735 double error, error_sum = 0;
1736 double scale, scale_sum = 0;
1737 char type[3] = { 'Y','U','V' };
1738 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1739 for (j = 0; j < 3; j++) {
1740 if (is_last_report) {
1741 error = enc->error[j];
1742 scale = enc->width * enc->height * 255.0 * 255.0 * frame_number;
1744 error = enc->coded_frame->error[j];
1745 scale = enc->width * enc->height * 255.0 * 255.0;
1751 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error / scale));
1753 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum / scale_sum));
1757 /* compute min output value */
1758 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1759 ost->st->time_base, AV_TIME_BASE_Q));
1762 secs = pts / AV_TIME_BASE;
1763 us = pts % AV_TIME_BASE;
1769 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1771 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1772 "size=%8.0fkB time=", total_size / 1024.0);
1773 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1774 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1775 (100 * us) / AV_TIME_BASE);
1776 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1777 "bitrate=%6.1fkbits/s", bitrate);
1779 if (nb_frames_dup || nb_frames_drop)
1780 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1781 nb_frames_dup, nb_frames_drop);
1783 av_log(NULL, AV_LOG_INFO, "%s \r", buf);
1787 if (is_last_report) {
1788 int64_t raw= audio_size + video_size + extra_size;
1789 av_log(NULL, AV_LOG_INFO, "\n");
1790 av_log(NULL, AV_LOG_INFO, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1791 video_size / 1024.0,
1792 audio_size / 1024.0,
1793 extra_size / 1024.0,
1794 100.0 * (total_size - raw) / raw
1796 if(video_size + audio_size + extra_size == 0){
1797 av_log(NULL, AV_LOG_WARNING, "Output file is empty, nothing was encoded (check -ss / -t / -frames parameters if used)\n");
1802 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1806 for (i = 0; i < nb_ostreams; i++) {
1807 OutputStream *ost = &ost_table[i];
1808 AVCodecContext *enc = ost->st->codec;
1809 AVFormatContext *os = output_files[ost->file_index].ctx;
1810 int stop_encoding = 0;
1812 if (!ost->encoding_needed)
1815 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <= 1)
1817 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE) && enc->codec->id == CODEC_ID_RAWVIDEO)
1822 int fifo_bytes, got_packet;
1823 av_init_packet(&pkt);
1827 switch (ost->st->codec->codec_type) {
1828 case AVMEDIA_TYPE_AUDIO:
1829 fifo_bytes = av_fifo_size(ost->fifo);
1830 if (fifo_bytes > 0) {
1831 /* encode any samples remaining in fifo */
1832 int frame_bytes = fifo_bytes;
1834 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1836 /* pad last frame with silence if needed */
1837 if (!(enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME)) {
1838 frame_bytes = enc->frame_size * enc->channels *
1839 av_get_bytes_per_sample(enc->sample_fmt);
1840 if (allocated_audio_buf_size < frame_bytes)
1842 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1844 encode_audio_frame(os, ost, audio_buf, frame_bytes);
1846 /* flush encoder with NULL frames until it is done
1847 returning packets */
1848 if (encode_audio_frame(os, ost, NULL, 0) == 0) {
1854 case AVMEDIA_TYPE_VIDEO:
1855 ret = avcodec_encode_video2(enc, &pkt, NULL, &got_packet);
1857 av_log(NULL, AV_LOG_FATAL, "Video encoding failed\n");
1860 video_size += pkt.size;
1861 if (ost->logfile && enc->stats_out) {
1862 fprintf(ost->logfile, "%s", enc->stats_out);
1868 if (pkt.pts != AV_NOPTS_VALUE)
1869 pkt.pts = av_rescale_q(pkt.pts, enc->time_base, ost->st->time_base);
1870 if (pkt.dts != AV_NOPTS_VALUE)
1871 pkt.dts = av_rescale_q(pkt.dts, enc->time_base, ost->st->time_base);
1872 write_frame(os, &pkt, ost);
1884 * Check whether a packet from ist should be written into ost at this time
1886 static int check_output_constraints(InputStream *ist, OutputStream *ost)
1888 OutputFile *of = &output_files[ost->file_index];
1889 int ist_index = ist - input_streams;
1891 if (ost->source_index != ist_index)
1894 if (of->start_time && ist->pts < of->start_time)
1897 if (of->recording_time != INT64_MAX &&
1898 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1899 (AVRational){ 1, 1000000 }) >= 0) {
1900 ost->is_past_recording_time = 1;
1907 static void do_streamcopy(InputStream *ist, OutputStream *ost, const AVPacket *pkt)
1909 OutputFile *of = &output_files[ost->file_index];
1910 int64_t ost_tb_start_time = av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1914 av_init_packet(&opkt);
1916 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) &&
1917 !ost->copy_initial_nonkeyframes)
1920 /* force the input stream PTS */
1921 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1922 audio_size += pkt->size;
1923 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1924 video_size += pkt->size;
1928 if (pkt->pts != AV_NOPTS_VALUE)
1929 opkt.pts = av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1931 opkt.pts = AV_NOPTS_VALUE;
1933 if (pkt->dts == AV_NOPTS_VALUE)
1934 opkt.dts = av_rescale_q(ist->dts, AV_TIME_BASE_Q, ost->st->time_base);
1936 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1937 opkt.dts -= ost_tb_start_time;
1939 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1940 opkt.flags = pkt->flags;
1942 // FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1943 if ( ost->st->codec->codec_id != CODEC_ID_H264
1944 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1945 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1946 && ost->st->codec->codec_id != CODEC_ID_VC1
1948 if (av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, pkt->data, pkt->size, pkt->flags & AV_PKT_FLAG_KEY))
1949 opkt.destruct = av_destruct_packet;
1951 opkt.data = pkt->data;
1952 opkt.size = pkt->size;
1954 if (of->ctx->oformat->flags & AVFMT_RAWPICTURE) {
1955 /* store AVPicture in AVPacket, as expected by the output format */
1956 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1957 opkt.data = (uint8_t *)&pict;
1958 opkt.size = sizeof(AVPicture);
1959 opkt.flags |= AV_PKT_FLAG_KEY;
1962 write_frame(of->ctx, &opkt, ost);
1963 ost->st->codec->frame_number++;
1964 av_free_packet(&opkt);
1967 static void rate_emu_sleep(InputStream *ist)
1969 if (input_files[ist->file_index].rate_emu) {
1970 int64_t pts = av_rescale(ist->dts, 1000000, AV_TIME_BASE);
1971 int64_t now = av_gettime() - ist->start;
1977 static int transcode_audio(InputStream *ist, AVPacket *pkt, int *got_output)
1979 AVFrame *decoded_frame;
1980 AVCodecContext *avctx = ist->st->codec;
1981 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1984 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
1985 return AVERROR(ENOMEM);
1987 avcodec_get_frame_defaults(ist->decoded_frame);
1988 decoded_frame = ist->decoded_frame;
1990 ret = avcodec_decode_audio4(avctx, decoded_frame, got_output, pkt);
1996 /* no audio frame */
2000 /* if the decoder provides a pts, use it instead of the last packet pts.
2001 the decoder could be delaying output by a packet or more. */
2002 if (decoded_frame->pts != AV_NOPTS_VALUE)
2003 ist->dts = ist->next_dts = ist->pts = ist->next_pts = decoded_frame->pts;
2005 /* increment next_dts to use for the case where the input stream does not
2006 have timestamps or there are multiple frames in the packet */
2007 ist->next_pts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2009 ist->next_dts += ((int64_t)AV_TIME_BASE * decoded_frame->nb_samples) /
2013 // preprocess audio (volume)
2014 if (audio_volume != 256) {
2015 int decoded_data_size = decoded_frame->nb_samples * avctx->channels * bps;
2016 void *samples = decoded_frame->data[0];
2017 switch (avctx->sample_fmt) {
2018 case AV_SAMPLE_FMT_U8:
2020 uint8_t *volp = samples;
2021 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2022 int v = (((*volp - 128) * audio_volume + 128) >> 8) + 128;
2023 *volp++ = av_clip_uint8(v);
2027 case AV_SAMPLE_FMT_S16:
2029 int16_t *volp = samples;
2030 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2031 int v = ((*volp) * audio_volume + 128) >> 8;
2032 *volp++ = av_clip_int16(v);
2036 case AV_SAMPLE_FMT_S32:
2038 int32_t *volp = samples;
2039 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2040 int64_t v = (((int64_t)*volp * audio_volume + 128) >> 8);
2041 *volp++ = av_clipl_int32(v);
2045 case AV_SAMPLE_FMT_FLT:
2047 float *volp = samples;
2048 float scale = audio_volume / 256.f;
2049 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2054 case AV_SAMPLE_FMT_DBL:
2056 double *volp = samples;
2057 double scale = audio_volume / 256.;
2058 for (i = 0; i < (decoded_data_size / sizeof(*volp)); i++) {
2064 av_log(NULL, AV_LOG_FATAL,
2065 "Audio volume adjustment on sample format %s is not supported.\n",
2066 av_get_sample_fmt_name(ist->st->codec->sample_fmt));
2071 rate_emu_sleep(ist);
2073 for (i = 0; i < nb_output_streams; i++) {
2074 OutputStream *ost = &output_streams[i];
2076 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2078 do_audio_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2084 static int transcode_video(InputStream *ist, AVPacket *pkt, int *got_output, int64_t *pkt_pts)
2086 AVFrame *decoded_frame;
2087 void *buffer_to_free = NULL;
2089 int64_t *best_effort_timestamp;
2090 AVRational *frame_sample_aspect;
2092 if (!ist->decoded_frame && !(ist->decoded_frame = avcodec_alloc_frame()))
2093 return AVERROR(ENOMEM);
2095 avcodec_get_frame_defaults(ist->decoded_frame);
2096 decoded_frame = ist->decoded_frame;
2097 pkt->pts = *pkt_pts;
2098 pkt->dts = ist->dts;
2099 *pkt_pts = AV_NOPTS_VALUE;
2101 ret = avcodec_decode_video2(ist->st->codec,
2102 decoded_frame, got_output, pkt);
2107 /* no picture yet */
2111 best_effort_timestamp= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "best_effort_timestamp");
2112 if(*best_effort_timestamp != AV_NOPTS_VALUE)
2113 ist->next_pts = ist->pts = decoded_frame->pts = *best_effort_timestamp;
2117 pre_process_video_frame(ist, (AVPicture *)decoded_frame, &buffer_to_free);
2120 frame_sample_aspect= av_opt_ptr(avcodec_get_frame_class(), decoded_frame, "sample_aspect_ratio");
2121 for(i=0;i<nb_output_streams;i++) {
2122 OutputStream *ost = ost = &output_streams[i];
2123 if(check_output_constraints(ist, ost) && ost->encoding_needed){
2124 if (!frame_sample_aspect->num)
2125 *frame_sample_aspect = ist->st->sample_aspect_ratio;
2126 decoded_frame->pts = ist->pts;
2127 if (ist->dr1 && decoded_frame->type==FF_BUFFER_TYPE_USER) {
2128 FrameBuffer *buf = decoded_frame->opaque;
2129 AVFilterBufferRef *fb = avfilter_get_video_buffer_ref_from_arrays(
2130 decoded_frame->data, decoded_frame->linesize,
2131 AV_PERM_READ | AV_PERM_PRESERVE,
2132 ist->st->codec->width, ist->st->codec->height,
2133 ist->st->codec->pix_fmt);
2135 avfilter_copy_frame_props(fb, decoded_frame);
2136 fb->buf->priv = buf;
2137 fb->buf->free = filter_release_buffer;
2140 av_buffersrc_buffer(ost->input_video_filter, fb);
2142 if((av_vsrc_buffer_add_frame(ost->input_video_filter, decoded_frame, AV_VSRC_BUF_FLAG_OVERWRITE)) < 0){
2143 av_log(NULL, AV_LOG_FATAL, "Failed to inject frame into filter network\n");
2150 rate_emu_sleep(ist);
2152 for (i = 0; i < nb_output_streams; i++) {
2153 OutputStream *ost = &output_streams[i];
2155 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2159 while (av_buffersink_poll_frame(ost->output_video_filter)) {
2160 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
2161 AVFrame *filtered_frame;
2163 if (av_buffersink_get_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0){
2164 av_log(NULL, AV_LOG_WARNING, "AV Filter told us it has a frame available but failed to output one\n");
2167 if (!ist->filtered_frame && !(ist->filtered_frame = avcodec_alloc_frame())) {
2168 ret = AVERROR(ENOMEM);
2171 filtered_frame = ist->filtered_frame;
2172 *filtered_frame= *decoded_frame; //for me_threshold
2173 avfilter_fill_frame_from_video_buffer_ref(filtered_frame, ost->picref);
2174 filtered_frame->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
2175 if (ost->picref->video && !ost->frame_aspect_ratio)
2176 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
2177 do_video_out(output_files[ost->file_index].ctx, ost, ist, filtered_frame);
2179 avfilter_unref_buffer(ost->picref);
2182 do_video_out(output_files[ost->file_index].ctx, ost, ist, decoded_frame);
2187 av_free(buffer_to_free);
2191 static int transcode_subtitles(InputStream *ist, AVPacket *pkt, int *got_output)
2193 AVSubtitle subtitle;
2194 int i, ret = avcodec_decode_subtitle2(ist->st->codec,
2195 &subtitle, got_output, pkt);
2201 rate_emu_sleep(ist);
2203 for (i = 0; i < nb_output_streams; i++) {
2204 OutputStream *ost = &output_streams[i];
2206 if (!check_output_constraints(ist, ost) || !ost->encoding_needed)
2209 do_subtitle_out(output_files[ost->file_index].ctx, ost, ist, &subtitle, pkt->pts);
2212 avsubtitle_free(&subtitle);
2216 /* pkt = NULL means EOF (needed to flush decoder buffers) */
2217 static int output_packet(InputStream *ist,
2218 OutputStream *ost_table, int nb_ostreams,
2219 const AVPacket *pkt)
2223 int64_t pkt_pts = AV_NOPTS_VALUE;
2227 if (ist->next_dts == AV_NOPTS_VALUE)
2228 ist->next_dts = ist->dts;
2229 if (ist->next_pts == AV_NOPTS_VALUE)
2230 ist->next_pts = ist->pts;
2234 av_init_packet(&avpkt);
2242 if (pkt->dts != AV_NOPTS_VALUE) {
2243 ist->next_dts = ist->dts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2244 if (ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO || !ist->decoding_needed)
2245 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
2247 if(pkt->pts != AV_NOPTS_VALUE)
2248 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
2250 // while we have more to decode or while the decoder did output something on EOF
2251 while (ist->decoding_needed && (avpkt.size > 0 || (!pkt && got_output))) {
2255 ist->pts = ist->next_pts;
2256 ist->dts = ist->next_dts;
2258 if (avpkt.size && avpkt.size != pkt->size) {
2259 av_log(NULL, ist->showed_multi_packet_warning ? AV_LOG_VERBOSE : AV_LOG_WARNING,
2260 "Multiple frames in a packet from stream %d\n", pkt->stream_index);
2261 ist->showed_multi_packet_warning = 1;
2264 switch (ist->st->codec->codec_type) {
2265 case AVMEDIA_TYPE_AUDIO:
2266 ret = transcode_audio (ist, &avpkt, &got_output);
2268 case AVMEDIA_TYPE_VIDEO:
2269 ret = transcode_video (ist, &avpkt, &got_output, &pkt_pts);
2270 if (avpkt.duration) {
2271 duration = av_rescale_q(avpkt.duration, ist->st->time_base, AV_TIME_BASE_Q);
2272 } else if(ist->st->codec->time_base.num != 0 && ist->st->codec->time_base.den != 0) {
2273 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
2274 duration = ((int64_t)AV_TIME_BASE *
2275 ist->st->codec->time_base.num * ticks) /
2276 ist->st->codec->time_base.den;
2280 if(ist->dts != AV_NOPTS_VALUE && duration) {
2281 ist->next_dts += duration;
2283 ist->next_dts = AV_NOPTS_VALUE;
2286 ist->next_pts += duration; //FIXME the duration is not correct in some cases
2288 case AVMEDIA_TYPE_SUBTITLE:
2289 ret = transcode_subtitles(ist, &avpkt, &got_output);
2299 avpkt.pts= AV_NOPTS_VALUE;
2301 // touch data and size only if not EOF
2303 if(ist->st->codec->codec_type != AVMEDIA_TYPE_AUDIO)
2313 /* handle stream copy */
2314 if (!ist->decoding_needed) {
2315 rate_emu_sleep(ist);
2316 ist->dts = ist->next_dts;
2317 switch (ist->st->codec->codec_type) {
2318 case AVMEDIA_TYPE_AUDIO:
2319 ist->next_dts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
2320 ist->st->codec->sample_rate;
2322 case AVMEDIA_TYPE_VIDEO:
2323 if (pkt->duration) {
2324 ist->next_dts += av_rescale_q(pkt->duration, ist->st->time_base, AV_TIME_BASE_Q);
2325 } else if(ist->st->codec->time_base.num != 0) {
2326 int ticks= ist->st->parser ? ist->st->parser->repeat_pict + 1 : ist->st->codec->ticks_per_frame;
2327 ist->next_dts += ((int64_t)AV_TIME_BASE *
2328 ist->st->codec->time_base.num * ticks) /
2329 ist->st->codec->time_base.den;
2333 ist->pts = ist->dts;
2334 ist->next_pts = ist->next_dts;
2336 for (i = 0; pkt && i < nb_ostreams; i++) {
2337 OutputStream *ost = &ost_table[i];
2339 if (!check_output_constraints(ist, ost) || ost->encoding_needed)
2342 do_streamcopy(ist, ost, pkt);
2348 static void print_sdp(OutputFile *output_files, int n)
2352 AVFormatContext **avc = av_malloc(sizeof(*avc) * n);
2356 for (i = 0; i < n; i++)
2357 avc[i] = output_files[i].ctx;
2359 av_sdp_create(avc, n, sdp, sizeof(sdp));
2360 printf("SDP:\n%s\n", sdp);
2365 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
2366 char *error, int error_len)
2368 InputStream *ist = &input_streams[ist_index];
2369 if (ist->decoding_needed) {
2370 AVCodec *codec = ist->dec;
2372 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d:%d",
2373 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2374 return AVERROR(EINVAL);
2377 ist->dr1 = codec->capabilities & CODEC_CAP_DR1;
2378 if (codec->type == AVMEDIA_TYPE_VIDEO && ist->dr1) {
2379 ist->st->codec->get_buffer = codec_get_buffer;
2380 ist->st->codec->release_buffer = codec_release_buffer;
2381 ist->st->codec->opaque = ist;
2384 if (!av_dict_get(ist->opts, "threads", NULL, 0))
2385 av_dict_set(&ist->opts, "threads", "auto", 0);
2386 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2387 snprintf(error, error_len, "Error while opening decoder for input stream #%d:%d",
2388 ist->file_index, ist->st->index);
2389 return AVERROR(EINVAL);
2391 assert_codec_experimental(ist->st->codec, 0);
2392 assert_avoptions(ist->opts);
2395 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;
2396 ist->next_pts = AV_NOPTS_VALUE;
2397 ist->next_dts = AV_NOPTS_VALUE;
2403 static int transcode_init(OutputFile *output_files, int nb_output_files,
2404 InputFile *input_files, int nb_input_files)
2406 int ret = 0, i, j, k;
2407 AVFormatContext *oc;
2408 AVCodecContext *codec, *icodec;
2414 /* init framerate emulation */
2415 for (i = 0; i < nb_input_files; i++) {
2416 InputFile *ifile = &input_files[i];
2417 if (ifile->rate_emu)
2418 for (j = 0; j < ifile->nb_streams; j++)
2419 input_streams[j + ifile->ist_index].start = av_gettime();
2422 /* output stream init */
2423 for (i = 0; i < nb_output_files; i++) {
2424 oc = output_files[i].ctx;
2425 if (!oc->nb_streams && !(oc->oformat->flags & AVFMT_NOSTREAMS)) {
2426 av_dump_format(oc, i, oc->filename, 1);
2427 av_log(NULL, AV_LOG_ERROR, "Output file #%d does not contain any stream\n", i);
2428 return AVERROR(EINVAL);
2432 /* for each output stream, we compute the right encoding parameters */
2433 for (i = 0; i < nb_output_streams; i++) {
2434 ost = &output_streams[i];
2435 oc = output_files[ost->file_index].ctx;
2436 ist = &input_streams[ost->source_index];
2438 if (ost->attachment_filename)
2441 codec = ost->st->codec;
2442 icodec = ist->st->codec;
2444 ost->st->disposition = ist->st->disposition;
2445 codec->bits_per_raw_sample = icodec->bits_per_raw_sample;
2446 codec->chroma_sample_location = icodec->chroma_sample_location;
2448 if (ost->stream_copy) {
2449 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
2451 if (extra_size > INT_MAX) {
2452 return AVERROR(EINVAL);
2455 /* if stream_copy is selected, no need to decode or encode */
2456 codec->codec_id = icodec->codec_id;
2457 codec->codec_type = icodec->codec_type;
2459 if (!codec->codec_tag) {
2460 if (!oc->oformat->codec_tag ||
2461 av_codec_get_id (oc->oformat->codec_tag, icodec->codec_tag) == codec->codec_id ||
2462 av_codec_get_tag(oc->oformat->codec_tag, icodec->codec_id) <= 0)
2463 codec->codec_tag = icodec->codec_tag;
2466 codec->bit_rate = icodec->bit_rate;
2467 codec->rc_max_rate = icodec->rc_max_rate;
2468 codec->rc_buffer_size = icodec->rc_buffer_size;
2469 codec->field_order = icodec->field_order;
2470 codec->extradata = av_mallocz(extra_size);
2471 if (!codec->extradata) {
2472 return AVERROR(ENOMEM);
2474 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2475 codec->extradata_size= icodec->extradata_size;
2477 codec->time_base = ist->st->time_base;
2479 * Avi is a special case here because it supports variable fps but
2480 * having the fps and timebase differe significantly adds quite some
2483 if(!strcmp(oc->oformat->name, "avi")) {
2484 if ( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base)
2485 && av_q2d(ist->st->time_base) < 1.0/500
2487 codec->time_base = icodec->time_base;
2488 codec->time_base.num *= icodec->ticks_per_frame;
2489 codec->time_base.den *= 2;
2491 } else if(!(oc->oformat->flags & AVFMT_VARIABLE_FPS)
2492 && strcmp(oc->oformat->name, "mov") && strcmp(oc->oformat->name, "mp4") && strcmp(oc->oformat->name, "3gp")
2493 && strcmp(oc->oformat->name, "3g2") && strcmp(oc->oformat->name, "psp") && strcmp(oc->oformat->name, "ipod")
2495 if( copy_tb<0 && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base)
2496 && av_q2d(ist->st->time_base) < 1.0/500
2498 codec->time_base = icodec->time_base;
2499 codec->time_base.num *= icodec->ticks_per_frame;
2502 av_reduce(&codec->time_base.num, &codec->time_base.den,
2503 codec->time_base.num, codec->time_base.den, INT_MAX);
2505 switch (codec->codec_type) {
2506 case AVMEDIA_TYPE_AUDIO:
2507 if (audio_volume != 256) {
2508 av_log(NULL, AV_LOG_FATAL, "-acodec copy and -vol are incompatible (frames are not decoded)\n");
2511 codec->channel_layout = icodec->channel_layout;
2512 codec->sample_rate = icodec->sample_rate;
2513 codec->channels = icodec->channels;
2514 codec->frame_size = icodec->frame_size;
2515 codec->audio_service_type = icodec->audio_service_type;
2516 codec->block_align = icodec->block_align;
2518 case AVMEDIA_TYPE_VIDEO:
2519 codec->pix_fmt = icodec->pix_fmt;
2520 codec->width = icodec->width;
2521 codec->height = icodec->height;
2522 codec->has_b_frames = icodec->has_b_frames;
2523 if (!codec->sample_aspect_ratio.num) {
2524 codec->sample_aspect_ratio =
2525 ost->st->sample_aspect_ratio =
2526 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2527 ist->st->codec->sample_aspect_ratio.num ?
2528 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2530 ost->st->avg_frame_rate = ist->st->avg_frame_rate;
2532 case AVMEDIA_TYPE_SUBTITLE:
2533 codec->width = icodec->width;
2534 codec->height = icodec->height;
2536 case AVMEDIA_TYPE_DATA:
2537 case AVMEDIA_TYPE_ATTACHMENT:
2544 ost->enc = avcodec_find_encoder(codec->codec_id);
2546 ist->decoding_needed = 1;
2547 ost->encoding_needed = 1;
2549 switch (codec->codec_type) {
2550 case AVMEDIA_TYPE_AUDIO:
2551 ost->fifo = av_fifo_alloc(1024);
2553 return AVERROR(ENOMEM);
2555 if (!codec->sample_rate)
2556 codec->sample_rate = icodec->sample_rate;
2557 choose_sample_rate(ost->st, ost->enc);
2558 codec->time_base = (AVRational){ 1, codec->sample_rate };
2560 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2561 codec->sample_fmt = icodec->sample_fmt;
2562 choose_sample_fmt(ost->st, ost->enc);
2564 if (ost->audio_channels_mapped) {
2565 /* the requested output channel is set to the number of
2566 * -map_channel only if no -ac are specified */
2567 if (!codec->channels) {
2568 codec->channels = ost->audio_channels_mapped;
2569 codec->channel_layout = av_get_default_channel_layout(codec->channels);
2570 if (!codec->channel_layout) {
2571 av_log(NULL, AV_LOG_FATAL, "Unable to find an appropriate channel layout for requested number of channel\n");
2575 /* fill unused channel mapping with -1 (which means a muted
2576 * channel in case the number of output channels is bigger
2577 * than the number of mapped channel) */
2578 for (j = ost->audio_channels_mapped; j < FF_ARRAY_ELEMS(ost->audio_channels_map); j++)
2579 ost->audio_channels_map[j] = -1;
2580 } else if (!codec->channels) {
2581 codec->channels = icodec->channels;
2582 codec->channel_layout = icodec->channel_layout;
2584 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2585 codec->channel_layout = 0;
2587 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2588 ost->audio_resample |= codec->sample_fmt != icodec->sample_fmt
2589 || codec->channel_layout != icodec->channel_layout;
2590 icodec->request_channels = codec->channels;
2591 ost->resample_sample_fmt = icodec->sample_fmt;
2592 ost->resample_sample_rate = icodec->sample_rate;
2593 ost->resample_channels = icodec->channels;
2595 case AVMEDIA_TYPE_VIDEO:
2596 if (codec->pix_fmt == PIX_FMT_NONE)
2597 codec->pix_fmt = icodec->pix_fmt;
2598 choose_pixel_fmt(ost->st, ost->enc);
2600 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2601 av_log(NULL, AV_LOG_FATAL, "Video pixel format is unknown, stream cannot be encoded\n");
2605 if (!codec->width || !codec->height) {
2606 codec->width = icodec->width;
2607 codec->height = icodec->height;
2610 ost->video_resample = codec->width != icodec->width ||
2611 codec->height != icodec->height ||
2612 codec->pix_fmt != icodec->pix_fmt;
2613 if (ost->video_resample) {
2614 codec->bits_per_raw_sample = frame_bits_per_raw_sample;
2617 ost->resample_height = icodec->height;
2618 ost->resample_width = icodec->width;
2619 ost->resample_pix_fmt = icodec->pix_fmt;
2621 if (!ost->frame_rate.num)
2622 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational) { 25, 1 };
2623 if (ost->enc && ost->enc->supported_framerates && !ost->force_fps) {
2624 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2625 ost->frame_rate = ost->enc->supported_framerates[idx];
2627 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2628 if ( av_q2d(codec->time_base) < 0.001 && video_sync_method != VSYNC_PASSTHROUGH
2629 && (video_sync_method == VSYNC_CFR || (video_sync_method == VSYNC_AUTO && !(oc->oformat->flags & AVFMT_VARIABLE_FPS)))){
2630 av_log(oc, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2631 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2633 for (j = 0; j < ost->forced_kf_count; j++)
2634 ost->forced_kf_pts[j] = av_rescale_q(ost->forced_kf_pts[j],
2639 if (configure_video_filters(ist, ost)) {
2640 av_log(NULL, AV_LOG_FATAL, "Error opening filters!\n");
2645 case AVMEDIA_TYPE_SUBTITLE:
2646 codec->time_base = (AVRational){1, 1000};
2653 if (codec->codec_id != CODEC_ID_H264 &&
2654 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2655 char logfilename[1024];
2658 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2659 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2661 if (codec->flags & CODEC_FLAG_PASS2) {
2663 size_t logbuffer_size;
2664 if (cmdutils_read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2665 av_log(NULL, AV_LOG_FATAL, "Error reading log file '%s' for pass-2 encoding\n",
2669 codec->stats_in = logbuffer;
2671 if (codec->flags & CODEC_FLAG_PASS1) {
2672 f = fopen(logfilename, "wb");
2674 av_log(NULL, AV_LOG_FATAL, "Cannot write log file '%s' for pass-1 encoding: %s\n",
2675 logfilename, strerror(errno));
2684 /* open each encoder */
2685 for (i = 0; i < nb_output_streams; i++) {
2686 ost = &output_streams[i];
2687 if (ost->encoding_needed) {
2688 AVCodec *codec = ost->enc;
2689 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2691 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d:%d",
2692 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2693 ret = AVERROR(EINVAL);
2696 if (dec->subtitle_header) {
2697 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2698 if (!ost->st->codec->subtitle_header) {
2699 ret = AVERROR(ENOMEM);
2702 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2703 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2705 if (!av_dict_get(ost->opts, "threads", NULL, 0))
2706 av_dict_set(&ost->opts, "threads", "auto", 0);
2707 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2708 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d:%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2709 ost->file_index, ost->index);
2710 ret = AVERROR(EINVAL);
2713 assert_codec_experimental(ost->st->codec, 1);
2714 assert_avoptions(ost->opts);
2715 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2716 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2717 " It takes bits/s as argument, not kbits/s\n");
2718 extra_size += ost->st->codec->extradata_size;
2720 if (ost->st->codec->me_threshold)
2721 input_streams[ost->source_index].st->codec->debug |= FF_DEBUG_MV;
2725 /* init input streams */
2726 for (i = 0; i < nb_input_streams; i++)
2727 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2730 /* discard unused programs */
2731 for (i = 0; i < nb_input_files; i++) {
2732 InputFile *ifile = &input_files[i];
2733 for (j = 0; j < ifile->ctx->nb_programs; j++) {
2734 AVProgram *p = ifile->ctx->programs[j];
2735 int discard = AVDISCARD_ALL;
2737 for (k = 0; k < p->nb_stream_indexes; k++)
2738 if (!input_streams[ifile->ist_index + p->stream_index[k]].discard) {
2739 discard = AVDISCARD_DEFAULT;
2742 p->discard = discard;
2746 /* open files and write file headers */
2747 for (i = 0; i < nb_output_files; i++) {
2748 oc = output_files[i].ctx;
2749 oc->interrupt_callback = int_cb;
2750 if (avformat_write_header(oc, &output_files[i].opts) < 0) {
2751 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2752 ret = AVERROR(EINVAL);
2755 // assert_avoptions(output_files[i].opts);
2756 if (strcmp(oc->oformat->name, "rtp")) {
2762 /* dump the file output parameters - cannot be done before in case
2764 for (i = 0; i < nb_output_files; i++) {
2765 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2768 /* dump the stream mapping */
2769 av_log(NULL, AV_LOG_INFO, "Stream mapping:\n");
2770 for (i = 0; i < nb_output_streams; i++) {
2771 ost = &output_streams[i];
2773 if (ost->attachment_filename) {
2774 /* an attached file */
2775 av_log(NULL, AV_LOG_INFO, " File %s -> Stream #%d:%d\n",
2776 ost->attachment_filename, ost->file_index, ost->index);
2779 av_log(NULL, AV_LOG_INFO, " Stream #%d:%d -> #%d:%d",
2780 input_streams[ost->source_index].file_index,
2781 input_streams[ost->source_index].st->index,
2784 if (ost->audio_channels_mapped) {
2785 av_log(NULL, AV_LOG_INFO, " [ch:");
2786 for (j = 0; j < ost->audio_channels_mapped; j++)
2787 if (ost->audio_channels_map[j] == -1)
2788 av_log(NULL, AV_LOG_INFO, " M");
2790 av_log(NULL, AV_LOG_INFO, " %d", ost->audio_channels_map[j]);
2791 av_log(NULL, AV_LOG_INFO, "]");
2793 if (ost->sync_ist != &input_streams[ost->source_index])
2794 av_log(NULL, AV_LOG_INFO, " [sync #%d:%d]",
2795 ost->sync_ist->file_index,
2796 ost->sync_ist->st->index);
2797 if (ost->stream_copy)
2798 av_log(NULL, AV_LOG_INFO, " (copy)");
2800 av_log(NULL, AV_LOG_INFO, " (%s -> %s)", input_streams[ost->source_index].dec ?
2801 input_streams[ost->source_index].dec->name : "?",
2802 ost->enc ? ost->enc->name : "?");
2803 av_log(NULL, AV_LOG_INFO, "\n");
2807 av_log(NULL, AV_LOG_ERROR, "%s\n", error);
2812 print_sdp(output_files, nb_output_files);
2819 * The following code is the main loop of the file converter
2821 static int transcode(OutputFile *output_files, int nb_output_files,
2822 InputFile *input_files, int nb_input_files)
2825 AVFormatContext *is, *os;
2829 int no_packet_count = 0;
2830 int64_t timer_start;
2833 if (!(no_packet = av_mallocz(nb_input_files)))
2836 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2841 av_log(NULL, AV_LOG_INFO, "Press [q] to stop, [?] for help\n");
2844 timer_start = av_gettime();
2846 for (; received_sigterm == 0;) {
2847 int file_index, ist_index;
2851 int64_t cur_time= av_gettime();
2853 ipts_min = INT64_MAX;
2855 /* if 'q' pressed, exits */
2857 static int64_t last_time;
2858 if (received_nb_signals)
2860 /* read_key() returns 0 on EOF */
2861 if(cur_time - last_time >= 100000 && !run_as_daemon){
2863 last_time = cur_time;
2868 if (key == '+') av_log_set_level(av_log_get_level()+10);
2869 if (key == '-') av_log_set_level(av_log_get_level()-10);
2870 if (key == 's') qp_hist ^= 1;
2873 do_hex_dump = do_pkt_dump = 0;
2874 } else if(do_pkt_dump){
2878 av_log_set_level(AV_LOG_DEBUG);
2881 if (key == 'c' || key == 'C'){
2882 char buf[4096], target[64], command[256], arg[256] = {0};
2885 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2887 while ((k = read_key()) != '\n' && k != '\r' && i < sizeof(buf)-1)
2892 (n = sscanf(buf, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &time, command, arg)) >= 3) {
2893 av_log(NULL, AV_LOG_DEBUG, "Processing command target:%s time:%f command:%s arg:%s",
2894 target, time, command, arg);
2895 for (i = 0; i < nb_output_streams; i++) {
2896 ost = &output_streams[i];
2899 ret = avfilter_graph_send_command(ost->graph, target, command, arg, buf, sizeof(buf),
2900 key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2901 fprintf(stderr, "Command reply for stream %d: ret:%d res:%s\n", i, ret, buf);
2903 ret = avfilter_graph_queue_command(ost->graph, target, command, arg, 0, time);
2908 av_log(NULL, AV_LOG_ERROR,
2909 "Parse error, at least 3 arguments were expected, "
2910 "only %d given in string '%s'\n", n, buf);
2914 if (key == 'd' || key == 'D'){
2917 debug = input_streams[0].st->codec->debug<<1;
2918 if(!debug) debug = 1;
2919 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2922 if(scanf("%d", &debug)!=1)
2923 fprintf(stderr,"error parsing debug value\n");
2924 for(i=0;i<nb_input_streams;i++) {
2925 input_streams[i].st->codec->debug = debug;
2927 for(i=0;i<nb_output_streams;i++) {
2928 ost = &output_streams[i];
2929 ost->st->codec->debug = debug;
2931 if(debug) av_log_set_level(AV_LOG_DEBUG);
2932 fprintf(stderr,"debug=%d\n", debug);
2935 fprintf(stderr, "key function\n"
2936 "? show this help\n"
2937 "+ increase verbosity\n"
2938 "- decrease verbosity\n"
2939 "c Send command to filtergraph\n"
2940 "D cycle through available debug modes\n"
2941 "h dump packets/hex press to cycle through the 3 states\n"
2943 "s Show QP histogram\n"
2948 /* select the stream that we must read now by looking at the
2949 smallest output pts */
2951 for (i = 0; i < nb_output_streams; i++) {
2955 ost = &output_streams[i];
2956 of = &output_files[ost->file_index];
2957 os = output_files[ost->file_index].ctx;
2958 ist = &input_streams[ost->source_index];
2959 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2960 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2962 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2964 if (!input_files[ist->file_index].eof_reached) {
2965 if (ipts < ipts_min) {
2968 file_index = ist->file_index;
2970 if (opts < opts_min) {
2972 if (!input_sync) file_index = ist->file_index;
2975 if (ost->frame_number >= ost->max_frames) {
2977 for (j = 0; j < of->ctx->nb_streams; j++)
2978 output_streams[of->ost_index + j].is_past_recording_time = 1;
2982 /* if none, if is finished */
2983 if (file_index < 0) {
2984 if (no_packet_count) {
2985 no_packet_count = 0;
2986 memset(no_packet, 0, nb_input_files);
2993 /* read a frame from it and output it in the fifo */
2994 is = input_files[file_index].ctx;
2995 ret = av_read_frame(is, &pkt);
2996 if (ret == AVERROR(EAGAIN)) {
2997 no_packet[file_index] = 1;
3002 input_files[file_index].eof_reached = 1;
3009 no_packet_count = 0;
3010 memset(no_packet, 0, nb_input_files);
3013 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
3014 is->streams[pkt.stream_index]);
3016 /* the following test is needed in case new streams appear
3017 dynamically in stream : we ignore them */
3018 if (pkt.stream_index >= input_files[file_index].nb_streams)
3019 goto discard_packet;
3020 ist_index = input_files[file_index].ist_index + pkt.stream_index;
3021 ist = &input_streams[ist_index];
3023 goto discard_packet;
3025 if (pkt.dts != AV_NOPTS_VALUE)
3026 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3027 if (pkt.pts != AV_NOPTS_VALUE)
3028 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
3030 if (pkt.pts != AV_NOPTS_VALUE)
3031 pkt.pts *= ist->ts_scale;
3032 if (pkt.dts != AV_NOPTS_VALUE)
3033 pkt.dts *= ist->ts_scale;
3036 av_log(NULL, AV_LOG_INFO, "demuxer -> ist_index:%d type:%s "
3037 "next_pts:%s next_pts_time:%s pkt_pts:%s pkt_pts_time:%s pkt_dts:%s pkt_dts_time:%s off:%"PRId64"\n",
3038 ist_index, av_get_media_type_string(ist->st->codec->codec_type),
3039 av_ts2str(ist->next_pts), av_ts2timestr(ist->next_pts, &ist->st->time_base),
3040 av_ts2str(pkt.pts), av_ts2timestr(pkt.pts, &ist->st->time_base),
3041 av_ts2str(pkt.dts), av_ts2timestr(pkt.dts, &ist->st->time_base),
3042 input_files[ist->file_index].ts_offset);
3045 if (pkt.dts != AV_NOPTS_VALUE && ist->next_dts != AV_NOPTS_VALUE && !copy_ts) {
3046 int64_t pkt_dts = av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
3047 int64_t delta = pkt_dts - ist->next_dts;
3048 if (is->iformat->flags & AVFMT_TS_DISCONT) {
3049 if(delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
3050 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
3051 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3052 pkt_dts+1<ist->pts){
3053 input_files[ist->file_index].ts_offset -= delta;
3054 av_log(NULL, AV_LOG_DEBUG,
3055 "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
3056 delta, input_files[ist->file_index].ts_offset);
3057 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3058 if (pkt.pts != AV_NOPTS_VALUE)
3059 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
3062 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3063 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
3064 pkt_dts+1<ist->pts){
3065 av_log(NULL, AV_LOG_WARNING, "DTS %"PRId64", next:%"PRId64" st:%d invalid droping\n", pkt.dts, ist->next_dts, pkt.stream_index);
3066 pkt.dts = AV_NOPTS_VALUE;
3068 if (pkt.pts != AV_NOPTS_VALUE){
3069 int64_t pkt_pts = av_rescale_q(pkt.pts, ist->st->time_base, AV_TIME_BASE_Q);
3070 delta = pkt_pts - ist->next_dts;
3071 if ( delta < -1LL*dts_error_threshold*AV_TIME_BASE ||
3072 (delta > 1LL*dts_error_threshold*AV_TIME_BASE && ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE)) {
3073 av_log(NULL, AV_LOG_WARNING, "PTS %"PRId64", next:%"PRId64" invalid droping st:%d\n", pkt.pts, ist->next_dts, pkt.stream_index);
3074 pkt.pts = AV_NOPTS_VALUE;
3080 // fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
3081 if (output_packet(ist, output_streams, nb_output_streams, &pkt) < 0) {
3083 av_log(NULL, AV_LOG_ERROR, "Error while decoding stream #%d:%d\n",
3084 ist->file_index, ist->st->index);
3087 av_free_packet(&pkt);
3092 av_free_packet(&pkt);
3094 /* dump report by using the output first video and audio streams */
3095 print_report(output_files, output_streams, nb_output_streams, 0, timer_start, cur_time);
3098 /* at the end of stream, we must flush the decoder buffers */
3099 for (i = 0; i < nb_input_streams; i++) {
3100 ist = &input_streams[i];
3101 if (ist->decoding_needed) {
3102 output_packet(ist, output_streams, nb_output_streams, NULL);
3105 flush_encoders(output_streams, nb_output_streams);
3109 /* write the trailer if needed and close file */
3110 for (i = 0; i < nb_output_files; i++) {
3111 os = output_files[i].ctx;
3112 av_write_trailer(os);
3115 /* dump report by using the first video and audio streams */
3116 print_report(output_files, output_streams, nb_output_streams, 1, timer_start, av_gettime());
3118 /* close each encoder */
3119 for (i = 0; i < nb_output_streams; i++) {
3120 ost = &output_streams[i];
3121 if (ost->encoding_needed) {
3122 av_freep(&ost->st->codec->stats_in);
3123 avcodec_close(ost->st->codec);
3126 avfilter_graph_free(&ost->graph);
3130 /* close each decoder */
3131 for (i = 0; i < nb_input_streams; i++) {
3132 ist = &input_streams[i];
3133 if (ist->decoding_needed) {
3134 avcodec_close(ist->st->codec);
3142 av_freep(&no_packet);
3144 if (output_streams) {
3145 for (i = 0; i < nb_output_streams; i++) {
3146 ost = &output_streams[i];
3148 if (ost->stream_copy)
3149 av_freep(&ost->st->codec->extradata);
3151 fclose(ost->logfile);
3152 ost->logfile = NULL;
3154 av_fifo_free(ost->fifo); /* works even if fifo is not
3155 initialized but set to zero */
3156 av_freep(&ost->st->codec->subtitle_header);
3157 av_free(ost->resample_frame.data[0]);
3158 av_free(ost->forced_kf_pts);
3159 if (ost->video_resample)
3160 sws_freeContext(ost->img_resample_ctx);
3161 swr_free(&ost->swr);
3162 av_dict_free(&ost->opts);
3169 static int opt_frame_crop(const char *opt, const char *arg)
3171 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the crop filter instead\n", opt);
3172 return AVERROR(EINVAL);
3175 static int opt_pad(const char *opt, const char *arg)
3177 av_log(NULL, AV_LOG_FATAL, "Option '%s' has been removed, use the pad filter instead\n", opt);
3181 static int opt_video_channel(const char *opt, const char *arg)
3183 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
3184 return opt_default("channel", arg);
3187 static int opt_video_standard(const char *opt, const char *arg)
3189 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
3190 return opt_default("standard", arg);
3193 static int opt_audio_codec(OptionsContext *o, const char *opt, const char *arg)
3195 audio_codec_name = arg;
3196 return parse_option(o, "codec:a", arg, options);
3199 static int opt_video_codec(OptionsContext *o, const char *opt, const char *arg)
3201 video_codec_name = arg;
3202 return parse_option(o, "codec:v", arg, options);
3205 static int opt_subtitle_codec(OptionsContext *o, const char *opt, const char *arg)
3207 subtitle_codec_name = arg;
3208 return parse_option(o, "codec:s", arg, options);
3211 static int opt_data_codec(OptionsContext *o, const char *opt, const char *arg)
3213 return parse_option(o, "codec:d", arg, options);
3216 static int opt_map(OptionsContext *o, const char *opt, const char *arg)
3218 StreamMap *m = NULL;
3219 int i, negative = 0, file_idx;
3220 int sync_file_idx = -1, sync_stream_idx = 0;
3228 map = av_strdup(arg);
3230 /* parse sync stream first, just pick first matching stream */
3231 if (sync = strchr(map, ',')) {
3233 sync_file_idx = strtol(sync + 1, &sync, 0);
3234 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
3235 av_log(NULL, AV_LOG_FATAL, "Invalid sync file index: %d.\n", sync_file_idx);
3240 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
3241 if (check_stream_specifier(input_files[sync_file_idx].ctx,
3242 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
3243 sync_stream_idx = i;
3246 if (i == input_files[sync_file_idx].nb_streams) {
3247 av_log(NULL, AV_LOG_FATAL, "Sync stream specification in map %s does not "
3248 "match any streams.\n", arg);
3254 file_idx = strtol(map, &p, 0);
3255 if (file_idx >= nb_input_files || file_idx < 0) {
3256 av_log(NULL, AV_LOG_FATAL, "Invalid input file index: %d.\n", file_idx);
3260 /* disable some already defined maps */
3261 for (i = 0; i < o->nb_stream_maps; i++) {
3262 m = &o->stream_maps[i];
3263 if (file_idx == m->file_index &&
3264 check_stream_specifier(input_files[m->file_index].ctx,
3265 input_files[m->file_index].ctx->streams[m->stream_index],
3266 *p == ':' ? p + 1 : p) > 0)
3270 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
3271 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
3272 *p == ':' ? p + 1 : p) <= 0)
3274 o->stream_maps = grow_array(o->stream_maps, sizeof(*o->stream_maps),
3275 &o->nb_stream_maps, o->nb_stream_maps + 1);
3276 m = &o->stream_maps[o->nb_stream_maps - 1];
3278 m->file_index = file_idx;
3279 m->stream_index = i;
3281 if (sync_file_idx >= 0) {
3282 m->sync_file_index = sync_file_idx;
3283 m->sync_stream_index = sync_stream_idx;
3285 m->sync_file_index = file_idx;
3286 m->sync_stream_index = i;
3291 av_log(NULL, AV_LOG_FATAL, "Stream map '%s' matches no streams.\n", arg);
3299 static int opt_attach(OptionsContext *o, const char *opt, const char *arg)
3301 o->attachments = grow_array(o->attachments, sizeof(*o->attachments),
3302 &o->nb_attachments, o->nb_attachments + 1);
3303 o->attachments[o->nb_attachments - 1] = arg;
3307 static int opt_map_channel(OptionsContext *o, const char *opt, const char *arg)
3313 o->audio_channel_maps =
3314 grow_array(o->audio_channel_maps, sizeof(*o->audio_channel_maps),
3315 &o->nb_audio_channel_maps, o->nb_audio_channel_maps + 1);
3316 m = &o->audio_channel_maps[o->nb_audio_channel_maps - 1];
3318 /* muted channel syntax */
3319 n = sscanf(arg, "%d:%d.%d", &m->channel_idx, &m->ofile_idx, &m->ostream_idx);
3320 if ((n == 1 || n == 3) && m->channel_idx == -1) {
3321 m->file_idx = m->stream_idx = -1;
3323 m->ofile_idx = m->ostream_idx = -1;
3328 n = sscanf(arg, "%d.%d.%d:%d.%d",
3329 &m->file_idx, &m->stream_idx, &m->channel_idx,
3330 &m->ofile_idx, &m->ostream_idx);
3332 if (n != 3 && n != 5) {
3333 av_log(NULL, AV_LOG_FATAL, "Syntax error, mapchan usage: "
3334 "[file.stream.channel|-1][:syncfile:syncstream]\n");
3338 if (n != 5) // only file.stream.channel specified
3339 m->ofile_idx = m->ostream_idx = -1;
3342 if (m->file_idx < 0 || m->file_idx >= nb_input_files) {
3343 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file index: %d\n",
3347 if (m->stream_idx < 0 ||
3348 m->stream_idx >= input_files[m->file_idx].nb_streams) {
3349 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid input file stream index #%d.%d\n",
3350 m->file_idx, m->stream_idx);
3353 st = input_files[m->file_idx].ctx->streams[m->stream_idx];
3354 if (st->codec->codec_type != AVMEDIA_TYPE_AUDIO) {
3355 av_log(NULL, AV_LOG_FATAL, "mapchan: stream #%d.%d is not an audio stream.\n",
3356 m->file_idx, m->stream_idx);
3359 if (m->channel_idx < 0 || m->channel_idx >= st->codec->channels) {
3360 av_log(NULL, AV_LOG_FATAL, "mapchan: invalid audio channel #%d.%d.%d\n",
3361 m->file_idx, m->stream_idx, m->channel_idx);
3368 * Parse a metadata specifier in arg.
3369 * @param type metadata type is written here -- g(lobal)/s(tream)/c(hapter)/p(rogram)
3370 * @param index for type c/p, chapter/program index is written here
3371 * @param stream_spec for type s, the stream specifier is written here
3373 static void parse_meta_type(char *arg, char *type, int *index, const char **stream_spec)
3381 if (*(++arg) && *arg != ':') {
3382 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", arg);
3385 *stream_spec = *arg == ':' ? arg + 1 : "";
3389 if (*(++arg) == ':')
3390 *index = strtol(++arg, NULL, 0);
3393 av_log(NULL, AV_LOG_FATAL, "Invalid metadata type %c.\n", *arg);
3400 static int copy_metadata(char *outspec, char *inspec, AVFormatContext *oc, AVFormatContext *ic, OptionsContext *o)
3402 AVDictionary **meta_in = NULL;
3403 AVDictionary **meta_out = NULL;
3405 char type_in, type_out;
3406 const char *istream_spec = NULL, *ostream_spec = NULL;
3407 int idx_in = 0, idx_out = 0;
3409 parse_meta_type(inspec, &type_in, &idx_in, &istream_spec);
3410 parse_meta_type(outspec, &type_out, &idx_out, &ostream_spec);
3412 if (type_in == 'g' || type_out == 'g')
3413 o->metadata_global_manual = 1;
3414 if (type_in == 's' || type_out == 's')
3415 o->metadata_streams_manual = 1;
3416 if (type_in == 'c' || type_out == 'c')
3417 o->metadata_chapters_manual = 1;
3419 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3420 if ((index) < 0 || (index) >= (nb_elems)) {\
3421 av_log(NULL, AV_LOG_FATAL, "Invalid %s index %d while processing metadata maps.\n",\
3426 #define SET_DICT(type, meta, context, index)\
3429 meta = &context->metadata;\
3432 METADATA_CHECK_INDEX(index, context->nb_chapters, "chapter")\
3433 meta = &context->chapters[index]->metadata;\
3436 METADATA_CHECK_INDEX(index, context->nb_programs, "program")\
3437 meta = &context->programs[index]->metadata;\
3441 SET_DICT(type_in, meta_in, ic, idx_in);
3442 SET_DICT(type_out, meta_out, oc, idx_out);
3444 /* for input streams choose first matching stream */
3445 if (type_in == 's') {
3446 for (i = 0; i < ic->nb_streams; i++) {
3447 if ((ret = check_stream_specifier(ic, ic->streams[i], istream_spec)) > 0) {
3448 meta_in = &ic->streams[i]->metadata;
3454 av_log(NULL, AV_LOG_FATAL, "Stream specifier %s does not match any streams.\n", istream_spec);
3459 if (type_out == 's') {
3460 for (i = 0; i < oc->nb_streams; i++) {
3461 if ((ret = check_stream_specifier(oc, oc->streams[i], ostream_spec)) > 0) {
3462 meta_out = &oc->streams[i]->metadata;
3463 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3468 av_dict_copy(meta_out, *meta_in, AV_DICT_DONT_OVERWRITE);
3473 static int opt_recording_timestamp(OptionsContext *o, const char *opt, const char *arg)
3476 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3477 struct tm time = *gmtime((time_t*)&recording_timestamp);
3478 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3479 parse_option(o, "metadata", buf, options);
3481 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3482 "tag instead.\n", opt);
3486 static AVCodec *find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3488 const char *codec_string = encoder ? "encoder" : "decoder";
3492 avcodec_find_encoder_by_name(name) :
3493 avcodec_find_decoder_by_name(name);
3495 av_log(NULL, AV_LOG_FATAL, "Unknown %s '%s'\n", codec_string, name);
3498 if (codec->type != type) {
3499 av_log(NULL, AV_LOG_FATAL, "Invalid %s type '%s'\n", codec_string, name);
3505 static AVCodec *choose_decoder(OptionsContext *o, AVFormatContext *s, AVStream *st)
3507 char *codec_name = NULL;
3509 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, st);
3511 AVCodec *codec = find_codec_or_die(codec_name, st->codec->codec_type, 0);
3512 st->codec->codec_id = codec->id;
3515 return avcodec_find_decoder(st->codec->codec_id);
3519 * Add all the streams from the given input file to the global
3520 * list of input streams.
3522 static void add_input_streams(OptionsContext *o, AVFormatContext *ic)
3525 char *next, *codec_tag = NULL;
3527 for (i = 0; i < ic->nb_streams; i++) {
3528 AVStream *st = ic->streams[i];
3529 AVCodecContext *dec = st->codec;
3532 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3533 ist = &input_streams[nb_input_streams - 1];
3535 ist->file_index = nb_input_files;
3537 st->discard = AVDISCARD_ALL;
3538 ist->opts = filter_codec_opts(codec_opts, choose_decoder(o, ic, st), ic, st);
3540 ist->ts_scale = 1.0;
3541 MATCH_PER_STREAM_OPT(ts_scale, dbl, ist->ts_scale, ic, st);
3543 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, ic, st);
3545 uint32_t tag = strtol(codec_tag, &next, 0);
3547 tag = AV_RL32(codec_tag);
3548 st->codec->codec_tag = tag;
3551 ist->dec = choose_decoder(o, ic, st);
3553 switch (dec->codec_type) {
3554 case AVMEDIA_TYPE_VIDEO:
3556 ist->dec = avcodec_find_decoder(dec->codec_id);
3558 dec->flags |= CODEC_FLAG_EMU_EDGE;
3562 case AVMEDIA_TYPE_AUDIO:
3563 case AVMEDIA_TYPE_DATA:
3564 case AVMEDIA_TYPE_SUBTITLE:
3566 ist->dec = avcodec_find_decoder(dec->codec_id);
3568 case AVMEDIA_TYPE_ATTACHMENT:
3569 case AVMEDIA_TYPE_UNKNOWN:
3577 static void assert_file_overwrite(const char *filename)
3579 if ((!file_overwrite || no_file_overwrite) &&
3580 (strchr(filename, ':') == NULL || filename[1] == ':' ||
3581 av_strstart(filename, "file:", NULL))) {
3582 if (avio_check(filename, 0) == 0) {
3583 if (!using_stdin && (!no_file_overwrite || file_overwrite)) {
3584 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3587 signal(SIGINT, SIG_DFL);
3588 if (!read_yesno()) {
3589 av_log(NULL, AV_LOG_FATAL, "Not overwriting - exiting\n");
3595 av_log(NULL, AV_LOG_FATAL, "File '%s' already exists. Exiting.\n", filename);
3602 static void dump_attachment(AVStream *st, const char *filename)
3605 AVIOContext *out = NULL;
3606 AVDictionaryEntry *e;
3608 if (!st->codec->extradata_size) {
3609 av_log(NULL, AV_LOG_WARNING, "No extradata to dump in stream #%d:%d.\n",
3610 nb_input_files - 1, st->index);
3613 if (!*filename && (e = av_dict_get(st->metadata, "filename", NULL, 0)))
3614 filename = e->value;
3616 av_log(NULL, AV_LOG_FATAL, "No filename specified and no 'filename' tag"
3617 "in stream #%d:%d.\n", nb_input_files - 1, st->index);
3621 assert_file_overwrite(filename);
3623 if ((ret = avio_open2(&out, filename, AVIO_FLAG_WRITE, &int_cb, NULL)) < 0) {
3624 av_log(NULL, AV_LOG_FATAL, "Could not open file %s for writing.\n",
3629 avio_write(out, st->codec->extradata, st->codec->extradata_size);
3634 static int opt_input_file(OptionsContext *o, const char *opt, const char *filename)
3636 AVFormatContext *ic;
3637 AVInputFormat *file_iformat = NULL;
3641 AVDictionary **opts;
3642 int orig_nb_streams; // number of streams before avformat_find_stream_info
3645 if (!(file_iformat = av_find_input_format(o->format))) {
3646 av_log(NULL, AV_LOG_FATAL, "Unknown input format: '%s'\n", o->format);
3651 if (!strcmp(filename, "-"))
3654 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3655 !strcmp(filename, "/dev/stdin");
3657 /* get default parameters from command line */
3658 ic = avformat_alloc_context();
3660 print_error(filename, AVERROR(ENOMEM));
3663 if (o->nb_audio_sample_rate) {
3664 snprintf(buf, sizeof(buf), "%d", o->audio_sample_rate[o->nb_audio_sample_rate - 1].u.i);
3665 av_dict_set(&format_opts, "sample_rate", buf, 0);
3667 if (o->nb_audio_channels) {
3668 snprintf(buf, sizeof(buf), "%d", o->audio_channels[o->nb_audio_channels - 1].u.i);
3669 av_dict_set(&format_opts, "channels", buf, 0);
3671 if (o->nb_frame_rates) {
3672 av_dict_set(&format_opts, "framerate", o->frame_rates[o->nb_frame_rates - 1].u.str, 0);
3674 if (o->nb_frame_sizes) {
3675 av_dict_set(&format_opts, "video_size", o->frame_sizes[o->nb_frame_sizes - 1].u.str, 0);
3677 if (o->nb_frame_pix_fmts)
3678 av_dict_set(&format_opts, "pixel_format", o->frame_pix_fmts[o->nb_frame_pix_fmts - 1].u.str, 0);
3680 ic->video_codec_id = video_codec_name ?
3681 find_codec_or_die(video_codec_name , AVMEDIA_TYPE_VIDEO , 0)->id : CODEC_ID_NONE;
3682 ic->audio_codec_id = audio_codec_name ?
3683 find_codec_or_die(audio_codec_name , AVMEDIA_TYPE_AUDIO , 0)->id : CODEC_ID_NONE;
3684 ic->subtitle_codec_id= subtitle_codec_name ?
3685 find_codec_or_die(subtitle_codec_name, AVMEDIA_TYPE_SUBTITLE, 0)->id : CODEC_ID_NONE;
3686 ic->flags |= AVFMT_FLAG_NONBLOCK;
3687 ic->interrupt_callback = int_cb;
3689 /* open the input file with generic avformat function */
3690 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3692 print_error(filename, err);
3695 assert_avoptions(format_opts);
3697 /* apply forced codec ids */
3698 for (i = 0; i < ic->nb_streams; i++)
3699 choose_decoder(o, ic, ic->streams[i]);
3701 /* Set AVCodecContext options for avformat_find_stream_info */
3702 opts = setup_find_stream_info_opts(ic, codec_opts);
3703 orig_nb_streams = ic->nb_streams;
3705 /* If not enough info to get the stream parameters, we decode the
3706 first frames to get it. (used in mpeg case for example) */
3707 ret = avformat_find_stream_info(ic, opts);
3709 av_log(NULL, AV_LOG_FATAL, "%s: could not find codec parameters\n", filename);
3710 avformat_close_input(&ic);
3714 timestamp = o->start_time;
3715 /* add the stream start time */
3716 if (ic->start_time != AV_NOPTS_VALUE)
3717 timestamp += ic->start_time;
3719 /* if seeking requested, we execute it */
3720 if (o->start_time != 0) {
3721 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3723 av_log(NULL, AV_LOG_WARNING, "%s: could not seek to position %0.3f\n",
3724 filename, (double)timestamp / AV_TIME_BASE);
3728 /* update the current parameters so that they match the one of the input stream */
3729 add_input_streams(o, ic);
3731 /* dump the file content */
3732 av_dump_format(ic, nb_input_files, filename, 0);
3734 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3735 input_files[nb_input_files - 1].ctx = ic;
3736 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3737 input_files[nb_input_files - 1].ts_offset = o->input_ts_offset - (copy_ts ? 0 : timestamp);
3738 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3739 input_files[nb_input_files - 1].rate_emu = o->rate_emu;
3741 for (i = 0; i < o->nb_dump_attachment; i++) {
3744 for (j = 0; j < ic->nb_streams; j++) {
3745 AVStream *st = ic->streams[j];
3747 if (check_stream_specifier(ic, st, o->dump_attachment[i].specifier) == 1)
3748 dump_attachment(st, o->dump_attachment[i].u.str);
3752 for (i = 0; i < orig_nb_streams; i++)
3753 av_dict_free(&opts[i]);
3756 reset_options(o, 1);
3760 static void parse_forced_key_frames(char *kf, OutputStream *ost)
3765 for (p = kf; *p; p++)
3768 ost->forced_kf_count = n;
3769 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3770 if (!ost->forced_kf_pts) {
3771 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3774 for (i = 0; i < n; i++) {
3775 p = i ? strchr(p, ',') + 1 : kf;
3776 ost->forced_kf_pts[i] = parse_time_or_die("force_key_frames", p, 1);
3780 static uint8_t *get_line(AVIOContext *s)
3786 if (avio_open_dyn_buf(&line) < 0) {
3787 av_log(NULL, AV_LOG_FATAL, "Could not alloc buffer for reading preset.\n");
3791 while ((c = avio_r8(s)) && c != '\n')
3794 avio_close_dyn_buf(line, &buf);
3799 static int get_preset_file_2(const char *preset_name, const char *codec_name, AVIOContext **s)
3802 char filename[1000];
3803 const char *base[3] = { getenv("AVCONV_DATADIR"),
3808 for (i = 0; i < FF_ARRAY_ELEMS(base) && ret; i++) {
3812 snprintf(filename, sizeof(filename), "%s%s/%s-%s.avpreset", base[i],
3813 i != 1 ? "" : "/.avconv", codec_name, preset_name);
3814 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3817 snprintf(filename, sizeof(filename), "%s%s/%s.avpreset", base[i],
3818 i != 1 ? "" : "/.avconv", preset_name);
3819 ret = avio_open2(s, filename, AVIO_FLAG_READ, &int_cb, NULL);
3825 static void choose_encoder(OptionsContext *o, AVFormatContext *s, OutputStream *ost)
3827 char *codec_name = NULL;
3829 MATCH_PER_STREAM_OPT(codec_names, str, codec_name, s, ost->st);
3831 ost->st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename,
3832 NULL, ost->st->codec->codec_type);
3833 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
3834 } else if (!strcmp(codec_name, "copy"))
3835 ost->stream_copy = 1;
3837 ost->enc = find_codec_or_die(codec_name, ost->st->codec->codec_type, 1);
3838 ost->st->codec->codec_id = ost->enc->id;
3842 static OutputStream *new_output_stream(OptionsContext *o, AVFormatContext *oc, enum AVMediaType type)
3845 AVStream *st = avformat_new_stream(oc, NULL);
3846 int idx = oc->nb_streams - 1, ret = 0;
3847 char *bsf = NULL, *next, *codec_tag = NULL;
3848 AVBitStreamFilterContext *bsfc, *bsfc_prev = NULL;
3850 char *buf = NULL, *arg = NULL, *preset = NULL;
3851 AVIOContext *s = NULL;
3854 av_log(NULL, AV_LOG_FATAL, "Could not alloc stream.\n");
3858 if (oc->nb_streams - 1 < o->nb_streamid_map)
3859 st->id = o->streamid_map[oc->nb_streams - 1];
3861 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3862 nb_output_streams + 1);
3863 ost = &output_streams[nb_output_streams - 1];
3864 ost->file_index = nb_output_files;
3867 st->codec->codec_type = type;
3868 choose_encoder(o, oc, ost);
3870 ost->opts = filter_codec_opts(codec_opts, ost->enc, oc, st);
3873 avcodec_get_context_defaults3(st->codec, ost->enc);
3874 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3876 MATCH_PER_STREAM_OPT(presets, str, preset, oc, st);
3877 if (preset && (!(ret = get_preset_file_2(preset, ost->enc->name, &s)))) {
3880 if (!buf[0] || buf[0] == '#') {
3884 if (!(arg = strchr(buf, '='))) {
3885 av_log(NULL, AV_LOG_FATAL, "Invalid line found in the preset file.\n");
3889 av_dict_set(&ost->opts, buf, arg, AV_DICT_DONT_OVERWRITE);
3891 } while (!s->eof_reached);
3895 av_log(NULL, AV_LOG_FATAL,
3896 "Preset %s specified for stream %d:%d, but could not be opened.\n",
3897 preset, ost->file_index, ost->index);
3901 ost->max_frames = INT64_MAX;
3902 MATCH_PER_STREAM_OPT(max_frames, i64, ost->max_frames, oc, st);
3904 MATCH_PER_STREAM_OPT(bitstream_filters, str, bsf, oc, st);
3906 if (next = strchr(bsf, ','))
3908 if (!(bsfc = av_bitstream_filter_init(bsf))) {
3909 av_log(NULL, AV_LOG_FATAL, "Unknown bitstream filter %s\n", bsf);
3913 bsfc_prev->next = bsfc;
3915 ost->bitstream_filters = bsfc;
3921 MATCH_PER_STREAM_OPT(codec_tags, str, codec_tag, oc, st);
3923 uint32_t tag = strtol(codec_tag, &next, 0);
3925 tag = AV_RL32(codec_tag);
3926 st->codec->codec_tag = tag;
3929 MATCH_PER_STREAM_OPT(qscale, dbl, qscale, oc, st);
3930 if (qscale >= 0 || same_quant) {
3931 st->codec->flags |= CODEC_FLAG_QSCALE;
3932 st->codec->global_quality = FF_QP2LAMBDA * qscale;
3935 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3936 st->codec->flags |= CODEC_FLAG_GLOBAL_HEADER;
3938 av_opt_get_int(sws_opts, "sws_flags", 0, &ost->sws_flags);
3942 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3945 const char *p = str;
3952 av_log(NULL, AV_LOG_FATAL, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3959 static OutputStream *new_video_stream(OptionsContext *o, AVFormatContext *oc)
3963 AVCodecContext *video_enc;
3965 ost = new_output_stream(o, oc, AVMEDIA_TYPE_VIDEO);
3967 video_enc = st->codec;
3969 if (!ost->stream_copy) {
3970 const char *p = NULL;
3971 char *forced_key_frames = NULL, *frame_rate = NULL, *frame_size = NULL;
3972 char *frame_aspect_ratio = NULL, *frame_pix_fmt = NULL;
3973 char *intra_matrix = NULL, *inter_matrix = NULL, *filters = NULL;
3976 MATCH_PER_STREAM_OPT(frame_rates, str, frame_rate, oc, st);
3977 if (frame_rate && av_parse_video_rate(&ost->frame_rate, frame_rate) < 0) {
3978 av_log(NULL, AV_LOG_FATAL, "Invalid framerate value: %s\n", frame_rate);
3982 MATCH_PER_STREAM_OPT(frame_sizes, str, frame_size, oc, st);
3983 if (frame_size && av_parse_video_size(&video_enc->width, &video_enc->height, frame_size) < 0) {
3984 av_log(NULL, AV_LOG_FATAL, "Invalid frame size: %s.\n", frame_size);
3988 MATCH_PER_STREAM_OPT(frame_aspect_ratios, str, frame_aspect_ratio, oc, st);
3989 if (frame_aspect_ratio) {
3991 if (av_parse_ratio(&q, frame_aspect_ratio, 255, 0, NULL) < 0 ||
3992 q.num <= 0 || q.den <= 0) {
3993 av_log(NULL, AV_LOG_FATAL, "Invalid aspect ratio: %s\n", frame_aspect_ratio);
3996 ost->frame_aspect_ratio = av_q2d(q);
3999 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
4000 MATCH_PER_STREAM_OPT(frame_pix_fmts, str, frame_pix_fmt, oc, st);
4001 if (frame_pix_fmt && (video_enc->pix_fmt = av_get_pix_fmt(frame_pix_fmt)) == PIX_FMT_NONE) {
4002 av_log(NULL, AV_LOG_FATAL, "Unknown pixel format requested: %s.\n", frame_pix_fmt);
4005 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
4008 video_enc->gop_size = 0;
4009 MATCH_PER_STREAM_OPT(intra_matrices, str, intra_matrix, oc, st);
4011 if (!(video_enc->intra_matrix = av_mallocz(sizeof(*video_enc->intra_matrix) * 64))) {
4012 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for intra matrix.\n");
4015 parse_matrix_coeffs(video_enc->intra_matrix, intra_matrix);
4017 MATCH_PER_STREAM_OPT(inter_matrices, str, inter_matrix, oc, st);
4019 if (!(video_enc->inter_matrix = av_mallocz(sizeof(*video_enc->inter_matrix) * 64))) {
4020 av_log(NULL, AV_LOG_FATAL, "Could not allocate memory for inter matrix.\n");
4023 parse_matrix_coeffs(video_enc->inter_matrix, inter_matrix);
4026 MATCH_PER_STREAM_OPT(rc_overrides, str, p, oc, st);
4027 for (i = 0; p; i++) {
4029 int e = sscanf(p, "%d,%d,%d", &start, &end, &q);
4031 av_log(NULL, AV_LOG_FATAL, "error parsing rc_override\n");
4034 /* FIXME realloc failure */
4035 video_enc->rc_override =
4036 av_realloc(video_enc->rc_override,
4037 sizeof(RcOverride) * (i + 1));
4038 video_enc->rc_override[i].start_frame = start;
4039 video_enc->rc_override[i].end_frame = end;
4041 video_enc->rc_override[i].qscale = q;
4042 video_enc->rc_override[i].quality_factor = 1.0;
4045 video_enc->rc_override[i].qscale = 0;
4046 video_enc->rc_override[i].quality_factor = -q/100.0;
4051 video_enc->rc_override_count = i;
4052 if (!video_enc->rc_initial_buffer_occupancy)
4053 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size * 3 / 4;
4054 video_enc->intra_dc_precision = intra_dc_precision - 8;
4057 video_enc->flags|= CODEC_FLAG_PSNR;
4062 video_enc->flags |= CODEC_FLAG_PASS1;
4065 video_enc->flags |= CODEC_FLAG_PASS2;
4069 MATCH_PER_STREAM_OPT(forced_key_frames, str, forced_key_frames, oc, st);
4070 if (forced_key_frames)
4071 parse_forced_key_frames(forced_key_frames, ost);
4073 MATCH_PER_STREAM_OPT(force_fps, i, ost->force_fps, oc, st);
4075 ost->top_field_first = -1;
4076 MATCH_PER_STREAM_OPT(top_field_first, i, ost->top_field_first, oc, st);
4079 MATCH_PER_STREAM_OPT(filters, str, filters, oc, st);
4081 ost->avfilter = av_strdup(filters);
4084 MATCH_PER_STREAM_OPT(copy_initial_nonkeyframes, i, ost->copy_initial_nonkeyframes, oc ,st);
4090 static OutputStream *new_audio_stream(OptionsContext *o, AVFormatContext *oc)
4095 AVCodecContext *audio_enc;
4097 ost = new_output_stream(o, oc, AVMEDIA_TYPE_AUDIO);
4100 audio_enc = st->codec;
4101 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
4103 if (!ost->stream_copy) {
4104 char *sample_fmt = NULL;
4106 MATCH_PER_STREAM_OPT(audio_channels, i, audio_enc->channels, oc, st);
4108 MATCH_PER_STREAM_OPT(sample_fmts, str, sample_fmt, oc, st);
4110 (audio_enc->sample_fmt = av_get_sample_fmt(sample_fmt)) == AV_SAMPLE_FMT_NONE) {
4111 av_log(NULL, AV_LOG_FATAL, "Invalid sample format '%s'\n", sample_fmt);
4115 MATCH_PER_STREAM_OPT(audio_sample_rate, i, audio_enc->sample_rate, oc, st);
4117 ost->rematrix_volume=1.0;
4118 MATCH_PER_STREAM_OPT(rematrix_volume, f, ost->rematrix_volume, oc, st);
4121 /* check for channel mapping for this audio stream */
4122 for (n = 0; n < o->nb_audio_channel_maps; n++) {
4123 AudioChannelMap *map = &o->audio_channel_maps[n];
4124 InputStream *ist = &input_streams[ost->source_index];
4125 if ((map->channel_idx == -1 || (ist->file_index == map->file_idx && ist->st->index == map->stream_idx)) &&
4126 (map->ofile_idx == -1 || ost->file_index == map->ofile_idx) &&
4127 (map->ostream_idx == -1 || ost->st->index == map->ostream_idx)) {
4128 if (ost->audio_channels_mapped < FF_ARRAY_ELEMS(ost->audio_channels_map))
4129 ost->audio_channels_map[ost->audio_channels_mapped++] = map->channel_idx;
4131 av_log(NULL, AV_LOG_FATAL, "Max channel mapping for output %d.%d reached\n",
4132 ost->file_index, ost->st->index);
4139 static OutputStream *new_data_stream(OptionsContext *o, AVFormatContext *oc)
4143 ost = new_output_stream(o, oc, AVMEDIA_TYPE_DATA);
4144 if (!ost->stream_copy) {
4145 av_log(NULL, AV_LOG_FATAL, "Data stream encoding not supported yet (only streamcopy)\n");
4152 static OutputStream *new_attachment_stream(OptionsContext *o, AVFormatContext *oc)
4154 OutputStream *ost = new_output_stream(o, oc, AVMEDIA_TYPE_ATTACHMENT);
4155 ost->stream_copy = 1;
4159 static OutputStream *new_subtitle_stream(OptionsContext *o, AVFormatContext *oc)
4163 AVCodecContext *subtitle_enc;
4165 ost = new_output_stream(o, oc, AVMEDIA_TYPE_SUBTITLE);
4167 subtitle_enc = st->codec;
4169 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
4174 /* arg format is "output-stream-index:streamid-value". */
4175 static int opt_streamid(OptionsContext *o, const char *opt, const char *arg)
4181 av_strlcpy(idx_str, arg, sizeof(idx_str));
4182 p = strchr(idx_str, ':');
4184 av_log(NULL, AV_LOG_FATAL,
4185 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
4190 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
4191 o->streamid_map = grow_array(o->streamid_map, sizeof(*o->streamid_map), &o->nb_streamid_map, idx+1);
4192 o->streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
4196 static int copy_chapters(InputFile *ifile, OutputFile *ofile, int copy_metadata)
4198 AVFormatContext *is = ifile->ctx;
4199 AVFormatContext *os = ofile->ctx;
4202 for (i = 0; i < is->nb_chapters; i++) {
4203 AVChapter *in_ch = is->chapters[i], *out_ch;
4204 int64_t ts_off = av_rescale_q(ofile->start_time - ifile->ts_offset,
4205 AV_TIME_BASE_Q, in_ch->time_base);
4206 int64_t rt = (ofile->recording_time == INT64_MAX) ? INT64_MAX :
4207 av_rescale_q(ofile->recording_time, AV_TIME_BASE_Q, in_ch->time_base);
4210 if (in_ch->end < ts_off)
4212 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
4215 out_ch = av_mallocz(sizeof(AVChapter));
4217 return AVERROR(ENOMEM);
4219 out_ch->id = in_ch->id;
4220 out_ch->time_base = in_ch->time_base;
4221 out_ch->start = FFMAX(0, in_ch->start - ts_off);
4222 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
4225 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
4228 os->chapters = av_realloc_f(os->chapters, os->nb_chapters, sizeof(AVChapter));
4230 return AVERROR(ENOMEM);
4231 os->chapters[os->nb_chapters - 1] = out_ch;
4236 static int read_ffserver_streams(OptionsContext *o, AVFormatContext *s, const char *filename)
4239 AVFormatContext *ic = avformat_alloc_context();
4241 ic->interrupt_callback = int_cb;
4242 err = avformat_open_input(&ic, filename, NULL, NULL);
4245 /* copy stream format */
4246 for(i=0;i<ic->nb_streams;i++) {
4250 AVCodecContext *avctx;
4252 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
4253 ost = new_output_stream(o, s, codec->type);
4258 // FIXME: a more elegant solution is needed
4259 memcpy(st, ic->streams[i], sizeof(AVStream));
4260 st->info = av_malloc(sizeof(*st->info));
4261 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
4263 avcodec_copy_context(st->codec, ic->streams[i]->codec);
4265 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !ost->stream_copy)
4266 choose_sample_fmt(st, codec);
4267 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !ost->stream_copy)
4268 choose_pixel_fmt(st, codec);
4271 avformat_close_input(&ic);
4275 static void opt_output_file(void *optctx, const char *filename)
4277 OptionsContext *o = optctx;
4278 AVFormatContext *oc;
4280 AVOutputFormat *file_oformat;
4284 if (!strcmp(filename, "-"))
4287 err = avformat_alloc_output_context2(&oc, NULL, o->format, filename);
4289 print_error(filename, err);
4292 file_oformat= oc->oformat;
4293 oc->interrupt_callback = int_cb;
4295 if (!strcmp(file_oformat->name, "ffm") &&
4296 av_strstart(filename, "http:", NULL)) {
4298 /* special case for files sent to ffserver: we get the stream
4299 parameters from ffserver */
4300 int err = read_ffserver_streams(o, oc, filename);
4302 print_error(filename, err);
4305 for(j = nb_output_streams - oc->nb_streams; j < nb_output_streams; j++) {
4306 ost = &output_streams[j];
4307 for (i = 0; i < nb_input_streams; i++) {
4308 ist = &input_streams[i];
4309 if(ist->st->codec->codec_type == ost->st->codec->codec_type){
4311 ost->source_index= i;
4317 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));
4321 } else if (!o->nb_stream_maps) {
4322 /* pick the "best" stream of each type */
4323 #define NEW_STREAM(type, index)\
4325 ost = new_ ## type ## _stream(o, oc);\
4326 ost->source_index = index;\
4327 ost->sync_ist = &input_streams[index];\
4328 input_streams[index].discard = 0;\
4329 input_streams[index].st->discard = AVDISCARD_NONE;\
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];
4402 ist->st->discard = AVDISCARD_NONE;
4407 for (i = nb_output_streams - oc->nb_streams; i < nb_output_streams; i++) { //for all streams of this output file
4408 AVDictionaryEntry *e;
4409 ost = &output_streams[i];
4411 if ( ost->stream_copy
4412 && (e = av_dict_get(codec_opts, "flags", NULL, AV_DICT_IGNORE_SUFFIX))
4413 && (!e->key[5] || check_stream_specifier(oc, ost->st, e->key+6)))
4414 if (av_opt_set(ost->st->codec, "flags", e->value, 0) < 0)
4418 /* handle attached files */
4419 for (i = 0; i < o->nb_attachments; i++) {
4421 uint8_t *attachment;
4425 if ((err = avio_open2(&pb, o->attachments[i], AVIO_FLAG_READ, &int_cb, NULL)) < 0) {
4426 av_log(NULL, AV_LOG_FATAL, "Could not open attachment file %s.\n",
4430 if ((len = avio_size(pb)) <= 0) {
4431 av_log(NULL, AV_LOG_FATAL, "Could not get size of the attachment %s.\n",
4435 if (!(attachment = av_malloc(len))) {
4436 av_log(NULL, AV_LOG_FATAL, "Attachment %s too large to fit into memory.\n",
4440 avio_read(pb, attachment, len);
4442 ost = new_attachment_stream(o, oc);
4443 ost->stream_copy = 0;
4444 ost->source_index = -1;
4445 ost->attachment_filename = o->attachments[i];
4446 ost->st->codec->extradata = attachment;
4447 ost->st->codec->extradata_size = len;
4449 p = strrchr(o->attachments[i], '/');
4450 av_dict_set(&ost->st->metadata, "filename", (p && *p) ? p + 1 : o->attachments[i], AV_DICT_DONT_OVERWRITE);
4454 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
4455 output_files[nb_output_files - 1].ctx = oc;
4456 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
4457 output_files[nb_output_files - 1].recording_time = o->recording_time;
4458 if (o->recording_time != INT64_MAX)
4459 oc->duration = o->recording_time;
4460 output_files[nb_output_files - 1].start_time = o->start_time;
4461 output_files[nb_output_files - 1].limit_filesize = o->limit_filesize;
4462 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
4464 /* check filename in case of an image number is expected */
4465 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
4466 if (!av_filename_number_test(oc->filename)) {
4467 print_error(oc->filename, AVERROR(EINVAL));
4472 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
4473 /* test if it already exists to avoid losing precious files */
4474 assert_file_overwrite(filename);
4477 if ((err = avio_open2(&oc->pb, filename, AVIO_FLAG_WRITE,
4478 &oc->interrupt_callback,
4479 &output_files[nb_output_files - 1].opts)) < 0) {
4480 print_error(filename, err);
4485 if (o->mux_preload) {
4487 snprintf(buf, sizeof(buf), "%d", (int)(o->mux_preload*AV_TIME_BASE));
4488 av_dict_set(&output_files[nb_output_files - 1].opts, "preload", buf, 0);
4490 oc->max_delay = (int)(o->mux_max_delay * AV_TIME_BASE);
4493 for (i = 0; i < o->nb_metadata_map; i++) {
4495 int in_file_index = strtol(o->metadata_map[i].u.str, &p, 0);
4497 if (in_file_index < 0)
4499 if (in_file_index >= nb_input_files) {
4500 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d while processing metadata maps\n", in_file_index);
4503 copy_metadata(o->metadata_map[i].specifier, *p ? p + 1 : p, oc, input_files[in_file_index].ctx, o);
4507 if (o->chapters_input_file >= nb_input_files) {
4508 if (o->chapters_input_file == INT_MAX) {
4509 /* copy chapters from the first input file that has them*/
4510 o->chapters_input_file = -1;
4511 for (i = 0; i < nb_input_files; i++)
4512 if (input_files[i].ctx->nb_chapters) {
4513 o->chapters_input_file = i;
4517 av_log(NULL, AV_LOG_FATAL, "Invalid input file index %d in chapter mapping.\n",
4518 o->chapters_input_file);
4522 if (o->chapters_input_file >= 0)
4523 copy_chapters(&input_files[o->chapters_input_file], &output_files[nb_output_files - 1],
4524 !o->metadata_chapters_manual);
4526 /* copy global metadata by default */
4527 if (!o->metadata_global_manual && nb_input_files){
4528 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
4529 AV_DICT_DONT_OVERWRITE);
4530 if(o->recording_time != INT64_MAX)
4531 av_dict_set(&oc->metadata, "duration", NULL, 0);
4533 if (!o->metadata_streams_manual)
4534 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
4536 if (output_streams[i].source_index < 0) /* this is true e.g. for attached files */
4538 ist = &input_streams[output_streams[i].source_index];
4539 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
4542 /* process manually set metadata */
4543 for (i = 0; i < o->nb_metadata; i++) {
4546 const char *stream_spec;
4547 int index = 0, j, ret = 0;
4549 val = strchr(o->metadata[i].u.str, '=');
4551 av_log(NULL, AV_LOG_FATAL, "No '=' character in metadata string %s.\n",
4552 o->metadata[i].u.str);
4557 parse_meta_type(o->metadata[i].specifier, &type, &index, &stream_spec);
4559 for (j = 0; j < oc->nb_streams; j++) {
4560 if ((ret = check_stream_specifier(oc, oc->streams[j], stream_spec)) > 0) {
4561 av_dict_set(&oc->streams[j]->metadata, o->metadata[i].u.str, *val ? val : NULL, 0);
4565 printf("ret %d, stream_spec %s\n", ret, stream_spec);
4573 if (index < 0 || index >= oc->nb_chapters) {
4574 av_log(NULL, AV_LOG_FATAL, "Invalid chapter index %d in metadata specifier.\n", index);
4577 m = &oc->chapters[index]->metadata;
4580 av_log(NULL, AV_LOG_FATAL, "Invalid metadata specifier %s.\n", o->metadata[i].specifier);
4583 av_dict_set(m, o->metadata[i].u.str, *val ? val : NULL, 0);
4587 reset_options(o, 0);
4590 /* same option as mencoder */
4591 static int opt_pass(const char *opt, const char *arg)
4593 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 3);
4597 static int64_t getutime(void)
4600 struct rusage rusage;
4602 getrusage(RUSAGE_SELF, &rusage);
4603 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
4604 #elif HAVE_GETPROCESSTIMES
4606 FILETIME c, e, k, u;
4607 proc = GetCurrentProcess();
4608 GetProcessTimes(proc, &c, &e, &k, &u);
4609 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
4611 return av_gettime();
4615 static int64_t getmaxrss(void)
4617 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
4618 struct rusage rusage;
4619 getrusage(RUSAGE_SELF, &rusage);
4620 return (int64_t)rusage.ru_maxrss * 1024;
4621 #elif HAVE_GETPROCESSMEMORYINFO
4623 PROCESS_MEMORY_COUNTERS memcounters;
4624 proc = GetCurrentProcess();
4625 memcounters.cb = sizeof(memcounters);
4626 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
4627 return memcounters.PeakPagefileUsage;
4633 static int opt_audio_qscale(OptionsContext *o, const char *opt, const char *arg)
4635 return parse_option(o, "q:a", arg, options);
4638 static void show_usage(void)
4640 av_log(NULL, AV_LOG_INFO, "Hyper fast Audio and Video encoder\n");
4641 av_log(NULL, AV_LOG_INFO, "usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4642 av_log(NULL, AV_LOG_INFO, "\n");
4645 static int opt_help(const char *opt, const char *arg)
4647 int flags = AV_OPT_FLAG_DECODING_PARAM | AV_OPT_FLAG_ENCODING_PARAM;
4648 av_log_set_callback(log_callback_help);
4650 show_help_options(options, "Main options:\n",
4651 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4652 show_help_options(options, "\nAdvanced options:\n",
4653 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4655 show_help_options(options, "\nVideo options:\n",
4656 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4658 show_help_options(options, "\nAdvanced Video options:\n",
4659 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4660 OPT_VIDEO | OPT_EXPERT);
4661 show_help_options(options, "\nAudio options:\n",
4662 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4664 show_help_options(options, "\nAdvanced Audio options:\n",
4665 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4666 OPT_AUDIO | OPT_EXPERT);
4667 show_help_options(options, "\nSubtitle options:\n",
4668 OPT_SUBTITLE | OPT_GRAB,
4670 show_help_options(options, "\nAudio/Video grab options:\n",
4674 show_help_children(avcodec_get_class(), flags);
4675 show_help_children(avformat_get_class(), flags);
4676 show_help_children(sws_get_class(), flags);
4681 static int opt_target(OptionsContext *o, const char *opt, const char *arg)
4683 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4684 static const char *const frame_rates[] = { "25", "30000/1001", "24000/1001" };
4686 if (!strncmp(arg, "pal-", 4)) {
4689 } else if (!strncmp(arg, "ntsc-", 5)) {
4692 } else if (!strncmp(arg, "film-", 5)) {
4696 /* Try to determine PAL/NTSC by peeking in the input files */
4697 if (nb_input_files) {
4699 for (j = 0; j < nb_input_files; j++) {
4700 for (i = 0; i < input_files[j].nb_streams; i++) {
4701 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4702 if (c->codec_type != AVMEDIA_TYPE_VIDEO)
4704 fr = c->time_base.den * 1000 / c->time_base.num;
4708 } else if ((fr == 29970) || (fr == 23976)) {
4713 if (norm != UNKNOWN)
4717 if (norm != UNKNOWN)
4718 av_log(NULL, AV_LOG_INFO, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4721 if (norm == UNKNOWN) {
4722 av_log(NULL, AV_LOG_FATAL, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4723 av_log(NULL, AV_LOG_FATAL, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4724 av_log(NULL, AV_LOG_FATAL, "or set a framerate with \"-r xxx\".\n");
4728 if (!strcmp(arg, "vcd")) {
4729 opt_video_codec(o, "c:v", "mpeg1video");
4730 opt_audio_codec(o, "c:a", "mp2");
4731 parse_option(o, "f", "vcd", options);
4733 parse_option(o, "s", norm == PAL ? "352x288" : "352x240", options);
4734 parse_option(o, "r", frame_rates[norm], options);
4735 opt_default("g", norm == PAL ? "15" : "18");
4737 opt_default("b:v", "1150000");
4738 opt_default("maxrate", "1150000");
4739 opt_default("minrate", "1150000");
4740 opt_default("bufsize", "327680"); // 40*1024*8;
4742 opt_default("b:a", "224000");
4743 parse_option(o, "ar", "44100", options);
4744 parse_option(o, "ac", "2", options);
4746 opt_default("packetsize", "2324");
4747 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4749 /* We have to offset the PTS, so that it is consistent with the SCR.
4750 SCR starts at 36000, but the first two packs contain only padding
4751 and the first pack from the other stream, respectively, may also have
4752 been written before.
4753 So the real data starts at SCR 36000+3*1200. */
4754 o->mux_preload = (36000 + 3 * 1200) / 90000.0; // 0.44
4755 } else if (!strcmp(arg, "svcd")) {
4757 opt_video_codec(o, "c:v", "mpeg2video");
4758 opt_audio_codec(o, "c:a", "mp2");
4759 parse_option(o, "f", "svcd", options);
4761 parse_option(o, "s", norm == PAL ? "480x576" : "480x480", options);
4762 parse_option(o, "r", frame_rates[norm], options);
4763 parse_option(o, "pix_fmt", "yuv420p", options);
4764 opt_default("g", norm == PAL ? "15" : "18");
4766 opt_default("b:v", "2040000");
4767 opt_default("maxrate", "2516000");
4768 opt_default("minrate", "0"); // 1145000;
4769 opt_default("bufsize", "1835008"); // 224*1024*8;
4770 opt_default("flags", "+scan_offset");
4773 opt_default("b:a", "224000");
4774 parse_option(o, "ar", "44100", options);
4776 opt_default("packetsize", "2324");
4778 } else if (!strcmp(arg, "dvd")) {
4780 opt_video_codec(o, "c:v", "mpeg2video");
4781 opt_audio_codec(o, "c:a", "ac3");
4782 parse_option(o, "f", "dvd", options);
4784 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4785 parse_option(o, "r", frame_rates[norm], options);
4786 parse_option(o, "pix_fmt", "yuv420p", options);
4787 opt_default("g", norm == PAL ? "15" : "18");
4789 opt_default("b:v", "6000000");
4790 opt_default("maxrate", "9000000");
4791 opt_default("minrate", "0"); // 1500000;
4792 opt_default("bufsize", "1835008"); // 224*1024*8;
4794 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4795 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4797 opt_default("b:a", "448000");
4798 parse_option(o, "ar", "48000", options);
4800 } else if (!strncmp(arg, "dv", 2)) {
4802 parse_option(o, "f", "dv", options);
4804 parse_option(o, "s", norm == PAL ? "720x576" : "720x480", options);
4805 parse_option(o, "pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4806 norm == PAL ? "yuv420p" : "yuv411p", options);
4807 parse_option(o, "r", frame_rates[norm], options);
4809 parse_option(o, "ar", "48000", options);
4810 parse_option(o, "ac", "2", options);
4813 av_log(NULL, AV_LOG_ERROR, "Unknown target: %s\n", arg);
4814 return AVERROR(EINVAL);
4819 static int opt_vstats_file(const char *opt, const char *arg)
4821 av_free (vstats_filename);
4822 vstats_filename = av_strdup (arg);
4826 static int opt_vstats(const char *opt, const char *arg)
4829 time_t today2 = time(NULL);
4830 struct tm *today = localtime(&today2);
4832 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4834 return opt_vstats_file(opt, filename);
4837 static int opt_video_frames(OptionsContext *o, const char *opt, const char *arg)
4839 return parse_option(o, "frames:v", arg, options);
4842 static int opt_audio_frames(OptionsContext *o, const char *opt, const char *arg)
4844 return parse_option(o, "frames:a", arg, options);
4847 static int opt_data_frames(OptionsContext *o, const char *opt, const char *arg)
4849 return parse_option(o, "frames:d", arg, options);
4852 static int opt_preset(OptionsContext *o, const char *opt, const char *arg)
4855 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4856 const char *codec_name = *opt == 'v' ? video_codec_name :
4857 *opt == 'a' ? audio_codec_name :
4858 subtitle_codec_name;
4860 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4861 if(!strncmp(arg, "libx264-lossless", strlen("libx264-lossless"))){
4862 av_log(NULL, AV_LOG_FATAL, "Please use -preset <speed> -qp 0\n");
4864 av_log(NULL, AV_LOG_FATAL, "File for preset '%s' not found\n", arg);
4869 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4870 if(line[0] == '#' && !e)
4872 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4874 av_log(NULL, AV_LOG_FATAL, "%s: Invalid syntax: '%s'\n", filename, line);
4877 if(!strcmp(tmp, "acodec")){
4878 opt_audio_codec(o, tmp, tmp2);
4879 }else if(!strcmp(tmp, "vcodec")){
4880 opt_video_codec(o, tmp, tmp2);
4881 }else if(!strcmp(tmp, "scodec")){
4882 opt_subtitle_codec(o, tmp, tmp2);
4883 }else if(!strcmp(tmp, "dcodec")){
4884 opt_data_codec(o, tmp, tmp2);
4885 }else if(opt_default(tmp, tmp2) < 0){
4886 av_log(NULL, AV_LOG_FATAL, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4896 static void log_callback_null(void *ptr, int level, const char *fmt, va_list vl)
4900 static int opt_passlogfile(const char *opt, const char *arg)
4902 pass_logfilename_prefix = arg;
4903 #if CONFIG_LIBX264_ENCODER
4904 return opt_default(opt, arg);
4910 static int opt_old2new(OptionsContext *o, const char *opt, const char *arg)
4912 char *s = av_asprintf("%s:%c", opt + 1, *opt);
4913 int ret = parse_option(o, s, arg, options);
4918 static int opt_bitrate(OptionsContext *o, const char *opt, const char *arg)
4920 if(!strcmp(opt, "b")){
4921 av_log(NULL, AV_LOG_WARNING, "Please use -b:a or -b:v, -b is ambiguous\n");
4922 return parse_option(o, "b:v", arg, options);
4924 return opt_default(opt, arg);
4927 static int opt_qscale(OptionsContext *o, const char *opt, const char *arg)
4931 if(!strcmp(opt, "qscale")){
4932 av_log(NULL, AV_LOG_WARNING, "Please use -q:a or -q:v, -qscale is ambiguous\n");
4933 return parse_option(o, "q:v", arg, options);
4935 s = av_asprintf("q%s", opt + 6);
4936 ret = parse_option(o, s, arg, options);
4941 static int opt_video_filters(OptionsContext *o, const char *opt, const char *arg)
4943 return parse_option(o, "filter:v", arg, options);
4946 static int opt_vsync(const char *opt, const char *arg)
4948 if (!av_strcasecmp(arg, "cfr")) video_sync_method = VSYNC_CFR;
4949 else if (!av_strcasecmp(arg, "vfr")) video_sync_method = VSYNC_VFR;
4950 else if (!av_strcasecmp(arg, "passthrough")) video_sync_method = VSYNC_PASSTHROUGH;
4951 else if (!av_strcasecmp(arg, "drop")) video_sync_method = VSYNC_DROP;
4953 if (video_sync_method == VSYNC_AUTO)
4954 video_sync_method = parse_number_or_die("vsync", arg, OPT_INT, VSYNC_AUTO, VSYNC_VFR);
4958 static int opt_deinterlace(const char *opt, const char *arg)
4960 av_log(NULL, AV_LOG_WARNING, "-%s is deprecated, use -filter:v yadif instead\n", opt);
4965 #define OFFSET(x) offsetof(OptionsContext, x)
4966 static const OptionDef options[] = {
4968 #include "cmdutils_common_opts.h"
4969 { "f", HAS_ARG | OPT_STRING | OPT_OFFSET, {.off = OFFSET(format)}, "force format", "fmt" },
4970 { "i", HAS_ARG | OPT_FUNC2, {(void*)opt_input_file}, "input file name", "filename" },
4971 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4972 { "n", OPT_BOOL, {(void*)&no_file_overwrite}, "do not overwrite output files" },
4973 { "c", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4974 { "codec", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(codec_names)}, "codec name", "codec" },
4975 { "pre", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(presets)}, "preset name", "preset" },
4976 { "map", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_map}, "set input stream mapping", "[-]input_file_id[:stream_specifier][,sync_file_id[:stream_specifier]]" },
4977 { "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]" },
4978 { "map_metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata_map)}, "set metadata information of outfile from infile",
4979 "outfile[,metadata]:infile[,metadata]" },
4980 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(chapters_input_file)}, "set chapters mapping", "input_file_index" },
4981 { "t", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(recording_time)}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4982 { "fs", HAS_ARG | OPT_INT64 | OPT_OFFSET, {.off = OFFSET(limit_filesize)}, "set the limit file size in bytes", "limit_size" }, //
4983 { "ss", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(start_time)}, "set the start time offset", "time_off" },
4984 { "itsoffset", HAS_ARG | OPT_TIME | OPT_OFFSET, {.off = OFFSET(input_ts_offset)}, "set the input ts offset", "time_off" },
4985 { "itsscale", HAS_ARG | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(ts_scale)}, "set the input ts scale", "scale" },
4986 { "timestamp", HAS_ARG | OPT_FUNC2, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4987 { "metadata", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(metadata)}, "add metadata", "string=string" },
4988 { "dframes", HAS_ARG | OPT_FUNC2, {(void*)opt_data_frames}, "set the number of data frames to record", "number" },
4989 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4990 "add timings for benchmarking" },
4991 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4992 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4993 "dump each input packet" },
4994 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4995 "when dumping packets, also dump the payload" },
4996 { "re", OPT_BOOL | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(rate_emu)}, "read input at native frame rate", "" },
4997 { "target", HAS_ARG | OPT_FUNC2, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4998 { "vsync", HAS_ARG | OPT_EXPERT, {(void*)opt_vsync}, "video sync method", "" },
4999 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
5000 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
5001 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
5002 { "copytb", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying", "source" },
5003 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
5004 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
5005 { "dts_error_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_error_threshold}, "timestamp error delta threshold", "threshold" },
5006 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
5007 { "copyinkf", OPT_BOOL | OPT_EXPERT | OPT_SPEC, {.off = OFFSET(copy_initial_nonkeyframes)}, "copy initial non-keyframes" },
5008 { "frames", OPT_INT64 | HAS_ARG | OPT_SPEC, {.off = OFFSET(max_frames)}, "set the number of frames to record", "number" },
5009 { "tag", OPT_STRING | HAS_ARG | OPT_SPEC, {.off = OFFSET(codec_tags)}, "force codec tag/fourcc", "fourcc/tag" },
5010 { "q", HAS_ARG | OPT_EXPERT | OPT_DOUBLE | OPT_SPEC, {.off = OFFSET(qscale)}, "use fixed quality scale (VBR)", "q" },
5011 { "qscale", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_qscale}, "use fixed quality scale (VBR)", "q" },
5013 { "filter", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(filters)}, "set stream filterchain", "filter_list" },
5015 { "stats", OPT_BOOL, {&print_stats}, "print progress report during encoding", },
5016 { "attach", HAS_ARG | OPT_FUNC2, {(void*)opt_attach}, "add an attachment to the output file", "filename" },
5017 { "dump_attachment", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(dump_attachment)}, "extract an attachment into a file", "filename" },
5018 { "debug_ts", OPT_BOOL | OPT_EXPERT, {&debug_ts}, "print timestamp debugging info" },
5021 { "vframes", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_frames}, "set the number of video frames to record", "number" },
5022 { "r", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_rates)}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
5023 { "s", HAS_ARG | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_sizes)}, "set frame size (WxH or abbreviation)", "size" },
5024 { "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" },
5025 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(frame_pix_fmts)}, "set pixel format", "format" },
5026 { "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" },
5027 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5028 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5029 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5030 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
5031 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5032 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5033 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5034 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
5035 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
5036 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
5037 { "vn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(video_disable)}, "disable video" },
5038 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
5039 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(rc_overrides)}, "rate control override for specific intervals", "override" },
5040 { "vcodec", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
5041 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
5042 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant},
5043 "use same quantizer as source (implies VBR)" },
5044 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
5045 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
5046 { "deinterlace", OPT_EXPERT | OPT_VIDEO, {(void*)opt_deinterlace},
5047 "this option is deprecated, use the yadif filter instead" },
5048 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
5049 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
5050 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
5052 { "vf", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_video_filters}, "video filters", "filter list" },
5054 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(intra_matrices)}, "specify intra matrix coeffs", "matrix" },
5055 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_STRING | OPT_SPEC, {.off = OFFSET(inter_matrices)}, "specify inter matrix coeffs", "matrix" },
5056 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_INT| OPT_SPEC, {.off = OFFSET(top_field_first)}, "top=1/bottom=0/auto=-1 field first", "" },
5057 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
5058 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_FUNC2, {(void*)opt_old2new}, "force video tag/fourcc", "fourcc/tag" },
5059 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
5060 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO | OPT_SPEC, {.off = OFFSET(force_fps)}, "force the selected framerate, disable the best supported framerate selection" },
5061 { "streamid", HAS_ARG | OPT_EXPERT | OPT_FUNC2, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
5062 { "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" },
5063 { "b", HAS_ARG | OPT_VIDEO | OPT_FUNC2, {(void*)opt_bitrate}, "video bitrate (please use -b:v)", "bitrate" },
5066 { "aframes", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_frames}, "set the number of audio frames to record", "number" },
5067 { "aq", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_qscale}, "set audio quality (codec-specific)", "quality", },
5068 { "ar", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_sample_rate)}, "set audio sampling rate (in Hz)", "rate" },
5069 { "ac", HAS_ARG | OPT_AUDIO | OPT_INT | OPT_SPEC, {.off = OFFSET(audio_channels)}, "set number of audio channels", "channels" },
5070 { "an", OPT_BOOL | OPT_AUDIO | OPT_OFFSET, {.off = OFFSET(audio_disable)}, "disable audio" },
5071 { "acodec", HAS_ARG | OPT_AUDIO | OPT_FUNC2, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
5072 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_FUNC2, {(void*)opt_old2new}, "force audio tag/fourcc", "fourcc/tag" },
5073 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
5074 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_SPEC | OPT_STRING, {.off = OFFSET(sample_fmts)}, "set sample format", "format" },
5075 { "rmvol", HAS_ARG | OPT_AUDIO | OPT_FLOAT | OPT_SPEC, {.off = OFFSET(rematrix_volume)}, "rematrix volume (as factor)", "volume" },
5077 /* subtitle options */
5078 { "sn", OPT_BOOL | OPT_SUBTITLE | OPT_OFFSET, {.off = OFFSET(subtitle_disable)}, "disable subtitle" },
5079 { "scodec", HAS_ARG | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
5080 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE | OPT_FUNC2, {(void*)opt_old2new}, "force subtitle tag/fourcc", "fourcc/tag" },
5083 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
5084 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
5085 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
5088 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_max_delay)}, "set the maximum demux-decode delay", "seconds" },
5089 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT | OPT_OFFSET, {.off = OFFSET(mux_preload)}, "set the initial demux-decode delay", "seconds" },
5091 { "bsf", HAS_ARG | OPT_STRING | OPT_SPEC, {.off = OFFSET(bitstream_filters)}, "A comma-separated list of bitstream filters", "bitstream_filters" },
5092 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "audio bitstream_filters" },
5093 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_old2new}, "deprecated", "video bitstream_filters" },
5095 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
5096 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
5097 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
5098 { "fpre", HAS_ARG | OPT_EXPERT| OPT_FUNC2, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
5099 /* data codec support */
5100 { "dcodec", HAS_ARG | OPT_DATA | OPT_FUNC2, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
5101 { "dn", OPT_BOOL | OPT_VIDEO | OPT_OFFSET, {.off = OFFSET(data_disable)}, "disable data" },
5103 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
5107 int main(int argc, char **argv)
5109 OptionsContext o = { 0 };
5112 reset_options(&o, 0);
5114 av_log_set_flags(AV_LOG_SKIP_REPEATED);
5115 parse_loglevel(argc, argv, options);
5117 if(argc>1 && !strcmp(argv[1], "-d")){
5119 av_log_set_callback(log_callback_null);
5124 avcodec_register_all();
5126 avdevice_register_all();
5129 avfilter_register_all();
5132 avformat_network_init();
5134 show_banner(argc, argv, options);
5139 parse_options(&o, argc, argv, options, opt_output_file);
5141 if (nb_output_files <= 0 && nb_input_files == 0) {
5143 av_log(NULL, AV_LOG_WARNING, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
5147 /* file converter / grab */
5148 if (nb_output_files <= 0) {
5149 av_log(NULL, AV_LOG_FATAL, "At least one output file must be specified\n");
5153 if (nb_input_files == 0) {
5154 av_log(NULL, AV_LOG_FATAL, "At least one input file must be specified\n");
5159 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
5161 ti = getutime() - ti;
5163 int maxrss = getmaxrss() / 1024;
5164 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);