3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This file is part of FFmpeg.
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
12 * FFmpeg is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
31 #include "libavformat/avformat.h"
32 #include "libavdevice/avdevice.h"
33 #include "libswscale/swscale.h"
34 #include "libavutil/opt.h"
35 #include "libavcodec/audioconvert.h"
36 #include "libavutil/audioconvert.h"
37 #include "libavutil/parseutils.h"
38 #include "libavutil/samplefmt.h"
39 #include "libavutil/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/intreadwrite.h"
42 #include "libavutil/dict.h"
43 #include "libavutil/mathematics.h"
44 #include "libavutil/pixdesc.h"
45 #include "libavutil/avstring.h"
46 #include "libavutil/libm.h"
47 #include "libavformat/os_support.h"
49 #include "libavformat/ffm.h" // not public API
52 # include "libavfilter/avcodec.h"
53 # include "libavfilter/avfilter.h"
54 # include "libavfilter/avfiltergraph.h"
55 # include "libavfilter/vsink_buffer.h"
56 # include "libavfilter/vsrc_buffer.h"
59 #if HAVE_SYS_RESOURCE_H
60 #include <sys/types.h>
62 #include <sys/resource.h>
63 #elif HAVE_GETPROCESSTIMES
66 #if HAVE_GETPROCESSMEMORYINFO
72 #include <sys/select.h>
77 #include <sys/ioctl.h>
87 #include "libavutil/avassert.h"
89 const char program_name[] = "ffmpeg";
90 const int program_birth_year = 2000;
92 /* select an input stream for an output stream */
93 typedef struct StreamMap {
94 int disabled; /** 1 is this mapping is disabled by a negative map */
98 int sync_stream_index;
102 * select an input file for an output file
104 typedef struct MetadataMap {
105 int file; ///< file index
106 char type; ///< type of metadata to copy -- (g)lobal, (s)tream, (c)hapter or (p)rogram
107 int index; ///< stream/chapter/program number
110 static const OptionDef options[];
112 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
113 static const char *last_asked_format = NULL;
114 static AVDictionary *ts_scale;
116 static StreamMap *stream_maps = NULL;
117 static int nb_stream_maps;
119 static AVDictionary *codec_names;
121 /* first item specifies output metadata, second is input */
122 static MetadataMap (*meta_data_maps)[2] = NULL;
123 static int nb_meta_data_maps;
124 static int metadata_global_autocopy = 1;
125 static int metadata_streams_autocopy = 1;
126 static int metadata_chapters_autocopy = 1;
128 static int chapters_input_file = INT_MAX;
130 /* indexed by output file stream index */
131 static int *streamid_map = NULL;
132 static int nb_streamid_map = 0;
134 static int frame_width = 0;
135 static int frame_height = 0;
136 static float frame_aspect_ratio = 0;
137 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
138 static int frame_bits_per_raw_sample = 0;
139 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
140 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
141 static AVRational frame_rate;
142 static float video_qscale = 0;
143 static uint16_t *intra_matrix = NULL;
144 static uint16_t *inter_matrix = NULL;
145 static const char *video_rc_override_string=NULL;
146 static int video_disable = 0;
147 static int video_discard = 0;
148 static char *video_codec_name = NULL;
149 static unsigned int video_codec_tag = 0;
150 static char *video_language = NULL;
151 static int same_quant = 0;
152 static int do_deinterlace = 0;
153 static int top_field_first = -1;
154 static int me_threshold = 0;
155 static int intra_dc_precision = 8;
156 static int loop_input = 0;
157 static int loop_output = AVFMT_NOOUTPUTLOOP;
158 static int qp_hist = 0;
160 static char *vfilters = NULL;
163 static int intra_only = 0;
164 static int audio_sample_rate = 0;
165 #define QSCALE_NONE -99999
166 static float audio_qscale = QSCALE_NONE;
167 static int audio_disable = 0;
168 static int audio_channels = 0;
169 static char *audio_codec_name = NULL;
170 static unsigned int audio_codec_tag = 0;
171 static char *audio_language = NULL;
173 static int subtitle_disable = 0;
174 static char *subtitle_codec_name = NULL;
175 static char *subtitle_language = NULL;
176 static unsigned int subtitle_codec_tag = 0;
178 static int data_disable = 0;
179 static char *data_codec_name = NULL;
180 static unsigned int data_codec_tag = 0;
182 static float mux_preload= 0.5;
183 static float mux_max_delay= 0.7;
185 static int64_t recording_time = INT64_MAX;
186 static int64_t start_time = 0;
187 static int64_t input_ts_offset = 0;
188 static int file_overwrite = 0;
189 static AVDictionary *metadata;
190 static int do_benchmark = 0;
191 static int do_hex_dump = 0;
192 static int do_pkt_dump = 0;
193 static int do_psnr = 0;
194 static int do_pass = 0;
195 static const char *pass_logfilename_prefix;
196 static int video_sync_method= -1;
197 static int audio_sync_method= 0;
198 static float audio_drift_threshold= 0.1;
199 static int copy_ts= 0;
200 static int copy_tb= 0;
201 static int opt_shortest = 0;
202 static char *vstats_filename;
203 static FILE *vstats_file;
204 static int opt_programid = 0;
205 static int copy_initial_nonkeyframes = 0;
207 static int rate_emu = 0;
209 static int audio_volume = 256;
211 static int exit_on_error = 0;
212 static int using_stdin = 0;
213 static int verbose = 1;
214 static int run_as_daemon = 0;
215 static int thread_count= 1;
216 static int q_pressed = 0;
217 static int64_t video_size = 0;
218 static int64_t audio_size = 0;
219 static int64_t extra_size = 0;
220 static int nb_frames_dup = 0;
221 static int nb_frames_drop = 0;
222 static int input_sync;
223 static uint64_t limit_filesize = UINT64_MAX;
224 static int force_fps = 0;
225 static char *forced_key_frames = NULL;
227 static float dts_delta_threshold = 10;
229 static uint8_t *audio_buf;
230 static uint8_t *audio_out;
231 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
233 static short *samples;
235 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
236 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
237 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
239 static uint8_t *input_tmp= NULL;
241 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
243 typedef struct InputStream {
246 int discard; /* true if stream data should be discarded */
247 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
250 int64_t start; /* time when read started */
251 int64_t next_pts; /* synthetic pts for cases where pkt.pts
253 int64_t pts; /* current pts */
255 int is_start; /* is 1 at the start and after a discontinuity */
256 int showed_multi_packet_warning;
260 typedef struct InputFile {
261 AVFormatContext *ctx;
262 int eof_reached; /* true if eof reached */
263 int ist_index; /* index of first stream in ist_table */
264 int buffer_size; /* current total buffer size */
266 int nb_streams; /* number of stream that avconv is aware of; may be different
267 from ctx.nb_streams if new streams appear during av_read_frame() */
270 typedef struct OutputStream {
271 int file_index; /* file index */
272 int index; /* stream index in the output file */
273 int source_index; /* InputStream index */
274 AVStream *st; /* stream in the output file */
275 int encoding_needed; /* true if encoding needed for this stream */
277 /* input pts and corresponding output pts
279 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
280 struct InputStream *sync_ist; /* input stream to sync against */
281 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
282 AVBitStreamFilterContext *bitstream_filters;
287 AVFrame resample_frame; /* temporary frame for image resampling */
288 struct SwsContext *img_resample_ctx; /* for image resampling */
291 int resample_pix_fmt;
292 AVRational frame_rate;
294 float frame_aspect_ratio;
296 /* forced key frames */
297 int64_t *forced_kf_pts;
303 ReSampleContext *resample; /* for audio resampling */
304 int resample_sample_fmt;
305 int resample_channels;
306 int resample_sample_rate;
308 AVAudioConvert *reformat_ctx;
309 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
313 AVFilterContext *output_video_filter;
314 AVFilterContext *input_video_filter;
315 AVFilterBufferRef *picref;
317 AVFilterGraph *graph;
322 int is_past_recording_time;
328 /* init terminal so that we can grab keys */
329 static struct termios oldtty;
332 typedef struct OutputFile {
333 AVFormatContext *ctx;
335 int ost_index; /* index of the first stream in output_streams */
336 int64_t recording_time; /* desired length of the resulting file in microseconds */
337 int64_t start_time; /* start time in microseconds */
338 uint64_t limit_filesize;
341 static InputStream *input_streams = NULL;
342 static int nb_input_streams = 0;
343 static InputFile *input_files = NULL;
344 static int nb_input_files = 0;
346 static OutputStream *output_streams = NULL;
347 static int nb_output_streams = 0;
348 static OutputFile *output_files = NULL;
349 static int nb_output_files = 0;
353 static int configure_video_filters(InputStream *ist, OutputStream *ost)
355 AVFilterContext *last_filter, *filter;
356 /** filter graph containing all filters including input & output */
357 AVCodecContext *codec = ost->st->codec;
358 AVCodecContext *icodec = ist->st->codec;
359 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
360 AVRational sample_aspect_ratio;
364 ost->graph = avfilter_graph_alloc();
366 if (ist->st->sample_aspect_ratio.num){
367 sample_aspect_ratio = ist->st->sample_aspect_ratio;
369 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
371 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
372 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
373 sample_aspect_ratio.num, sample_aspect_ratio.den);
375 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
376 "src", args, NULL, ost->graph);
379 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
380 "out", NULL, pix_fmts, ost->graph);
383 last_filter = ost->input_video_filter;
385 if (codec->width != icodec->width || codec->height != icodec->height) {
386 snprintf(args, 255, "%d:%d:flags=0x%X",
390 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
391 NULL, args, NULL, ost->graph)) < 0)
393 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
395 last_filter = filter;
398 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
399 ost->graph->scale_sws_opts = av_strdup(args);
402 AVFilterInOut *outputs = avfilter_inout_alloc();
403 AVFilterInOut *inputs = avfilter_inout_alloc();
405 outputs->name = av_strdup("in");
406 outputs->filter_ctx = last_filter;
407 outputs->pad_idx = 0;
408 outputs->next = NULL;
410 inputs->name = av_strdup("out");
411 inputs->filter_ctx = ost->output_video_filter;
415 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
417 av_freep(&ost->avfilter);
419 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
423 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
426 codec->width = ost->output_video_filter->inputs[0]->w;
427 codec->height = ost->output_video_filter->inputs[0]->h;
428 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
429 ost->frame_aspect_ratio ? // overridden by the -aspect cli option
430 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
431 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
435 #endif /* CONFIG_AVFILTER */
437 static void term_exit(void)
439 av_log(NULL, AV_LOG_QUIET, "%s", "");
442 tcsetattr (0, TCSANOW, &oldtty);
446 static volatile int received_sigterm = 0;
449 sigterm_handler(int sig)
451 received_sigterm = sig;
456 static void term_init(void)
466 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
467 |INLCR|IGNCR|ICRNL|IXON);
468 tty.c_oflag |= OPOST;
469 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
470 tty.c_cflag &= ~(CSIZE|PARENB);
475 tcsetattr (0, TCSANOW, &tty);
476 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
480 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
481 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
483 signal(SIGXCPU, sigterm_handler);
487 /* read a key without blocking */
488 static int read_key(void)
503 n = select(1, &rfds, NULL, NULL, &tv);
512 # if HAVE_PEEKNAMEDPIPE
514 static HANDLE input_handle;
517 input_handle = GetStdHandle(STD_INPUT_HANDLE);
518 is_pipe = !GetConsoleMode(input_handle, &dw);
521 if (stdin->_cnt > 0) {
526 /* When running under a GUI, you will end here. */
527 if (!PeekNamedPipe(input_handle, NULL, 0, NULL, &nchars, NULL))
544 static int decode_interrupt_cb(void)
546 q_pressed += read_key() == 'q';
547 return q_pressed > 1;
550 static int exit_program(int ret)
555 for(i=0;i<nb_output_files;i++) {
556 AVFormatContext *s = output_files[i].ctx;
557 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
559 avformat_free_context(s);
560 av_dict_free(&output_files[i].opts);
562 for(i=0;i<nb_input_files;i++) {
563 av_close_input_file(input_files[i].ctx);
565 for (i = 0; i < nb_input_streams; i++)
566 av_dict_free(&input_streams[i].opts);
568 av_free(intra_matrix);
569 av_free(inter_matrix);
573 av_free(vstats_filename);
575 av_free(meta_data_maps);
577 av_freep(&input_streams);
578 av_freep(&input_files);
579 av_freep(&output_streams);
580 av_freep(&output_files);
585 allocated_audio_buf_size= allocated_audio_out_size= 0;
592 av_freep(&input_tmp);
594 if (received_sigterm) {
596 "Received signal %d: terminating.\n",
597 (int) received_sigterm);
601 exit(ret); /* not all OS-es handle main() return value */
605 static void assert_avoptions(AVDictionary *m)
607 AVDictionaryEntry *t;
608 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
609 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
614 static void assert_codec_experimental(AVCodecContext *c, int encoder)
616 const char *codec_string = encoder ? "encoder" : "decoder";
618 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
619 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
620 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
621 "results.\nAdd '-strict experimental' if you want to use it.\n",
622 codec_string, c->codec->name);
623 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
624 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
625 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
626 codec_string, codec->name);
631 /* similar to ff_dynarray_add() and av_fast_realloc() */
632 static void *grow_array(void *array, int elem_size, int *size, int new_size)
634 if (new_size >= INT_MAX / elem_size) {
635 fprintf(stderr, "Array too big.\n");
638 if (*size < new_size) {
639 uint8_t *tmp = av_realloc(array, new_size*elem_size);
641 fprintf(stderr, "Could not alloc buffer.\n");
644 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
651 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
653 if(codec && codec->sample_fmts){
654 const enum AVSampleFormat *p= codec->sample_fmts;
656 if(*p == st->codec->sample_fmt)
660 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
661 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
662 if(av_get_sample_fmt_name(st->codec->sample_fmt))
663 av_log(NULL, AV_LOG_WARNING,
664 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
665 av_get_sample_fmt_name(st->codec->sample_fmt),
667 av_get_sample_fmt_name(codec->sample_fmts[0]));
668 st->codec->sample_fmt = codec->sample_fmts[0];
673 static void choose_sample_rate(AVStream *st, AVCodec *codec)
675 if(codec && codec->supported_samplerates){
676 const int *p= codec->supported_samplerates;
678 int best_dist=INT_MAX;
680 int dist= abs(st->codec->sample_rate - *p);
681 if(dist < best_dist){
687 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
689 st->codec->sample_rate= best;
693 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
695 if(codec && codec->pix_fmts){
696 const enum PixelFormat *p= codec->pix_fmts;
697 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
698 if(st->codec->codec_id==CODEC_ID_MJPEG){
699 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
700 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
701 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUVJ444P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_YUV444P, PIX_FMT_BGRA, PIX_FMT_NONE};
705 if(*p == st->codec->pix_fmt)
709 if(st->codec->pix_fmt != PIX_FMT_NONE)
710 av_log(NULL, AV_LOG_WARNING,
711 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
712 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
714 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
715 st->codec->pix_fmt = codec->pix_fmts[0];
721 get_sync_ipts(const OutputStream *ost)
723 const InputStream *ist = ost->sync_ist;
724 OutputFile *of = &output_files[ost->file_index];
725 return (double)(ist->pts - of->start_time)/AV_TIME_BASE;
728 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
732 AVPacket new_pkt= *pkt;
733 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
734 &new_pkt.data, &new_pkt.size,
735 pkt->data, pkt->size,
736 pkt->flags & AV_PKT_FLAG_KEY);
739 new_pkt.destruct= av_destruct_packet;
741 fprintf(stderr, "%s failed for stream %d, codec %s",
742 bsfc->filter->name, pkt->stream_index,
743 avctx->codec ? avctx->codec->name : "copy");
753 ret= av_interleaved_write_frame(s, pkt);
755 print_error("av_interleaved_write_frame()", ret);
760 static void do_audio_out(AVFormatContext *s,
763 unsigned char *buf, int size)
766 int64_t audio_out_size, audio_buf_size;
767 int64_t allocated_for_size= size;
769 int size_out, frame_bytes, ret, resample_changed;
770 AVCodecContext *enc= ost->st->codec;
771 AVCodecContext *dec= ist->st->codec;
772 int osize = av_get_bytes_per_sample(enc->sample_fmt);
773 int isize = av_get_bytes_per_sample(dec->sample_fmt);
774 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
777 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
778 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
779 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
780 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
781 audio_buf_size*= osize*enc->channels;
783 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
784 if(coded_bps > 8*osize)
785 audio_out_size= audio_out_size * coded_bps / (8*osize);
786 audio_out_size += FF_MIN_BUFFER_SIZE;
788 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
789 fprintf(stderr, "Buffer sizes too large\n");
793 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
794 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
795 if (!audio_buf || !audio_out){
796 fprintf(stderr, "Out of memory in do_audio_out\n");
800 if (enc->channels != dec->channels)
801 ost->audio_resample = 1;
803 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
804 ost->resample_channels != dec->channels ||
805 ost->resample_sample_rate != dec->sample_rate;
807 if ((ost->audio_resample && !ost->resample) || resample_changed) {
808 if (resample_changed) {
809 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",
810 ist->file_index, ist->st->index,
811 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
812 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
813 ost->resample_sample_fmt = dec->sample_fmt;
814 ost->resample_channels = dec->channels;
815 ost->resample_sample_rate = dec->sample_rate;
817 audio_resample_close(ost->resample);
819 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
820 if (audio_sync_method <= 1 &&
821 ost->resample_sample_fmt == enc->sample_fmt &&
822 ost->resample_channels == enc->channels &&
823 ost->resample_sample_rate == enc->sample_rate) {
824 ost->resample = NULL;
825 ost->audio_resample = 0;
827 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
828 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
829 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
830 enc->sample_rate, dec->sample_rate,
831 enc->sample_fmt, dec->sample_fmt,
833 if (!ost->resample) {
834 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
835 dec->channels, dec->sample_rate,
836 enc->channels, enc->sample_rate);
842 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
843 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
844 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
845 if (ost->reformat_ctx)
846 av_audio_convert_free(ost->reformat_ctx);
847 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
848 dec->sample_fmt, 1, NULL, 0);
849 if (!ost->reformat_ctx) {
850 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
851 av_get_sample_fmt_name(dec->sample_fmt),
852 av_get_sample_fmt_name(enc->sample_fmt));
855 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
858 if(audio_sync_method){
859 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
860 - av_fifo_size(ost->fifo)/(enc->channels * 2);
861 double idelta= delta*dec->sample_rate / enc->sample_rate;
862 int byte_delta= ((int)idelta)*2*dec->channels;
864 //FIXME resample delay
865 if(fabs(delta) > 50){
866 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
868 byte_delta= FFMAX(byte_delta, -size);
872 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
877 input_tmp= av_realloc(input_tmp, byte_delta + size);
879 if(byte_delta > allocated_for_size - size){
880 allocated_for_size= byte_delta + (int64_t)size;
885 memset(input_tmp, 0, byte_delta);
886 memcpy(input_tmp + byte_delta, buf, size);
890 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
892 }else if(audio_sync_method>1){
893 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
894 av_assert0(ost->audio_resample);
896 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
897 // 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));
898 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
902 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
903 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
905 if (ost->audio_resample) {
907 size_out = audio_resample(ost->resample,
908 (short *)buftmp, (short *)buf,
909 size / (dec->channels * isize));
910 size_out = size_out * enc->channels * osize;
916 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
917 const void *ibuf[6]= {buftmp};
918 void *obuf[6]= {audio_buf};
919 int istride[6]= {isize};
920 int ostride[6]= {osize};
921 int len= size_out/istride[0];
922 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
923 printf("av_audio_convert() failed\n");
929 size_out = len*osize;
932 /* now encode as many frames as possible */
933 if (enc->frame_size > 1) {
934 /* output resampled raw samples */
935 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
936 fprintf(stderr, "av_fifo_realloc2() failed\n");
939 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
941 frame_bytes = enc->frame_size * osize * enc->channels;
943 while (av_fifo_size(ost->fifo) >= frame_bytes) {
945 av_init_packet(&pkt);
947 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
949 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
951 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
954 fprintf(stderr, "Audio encoding failed\n");
958 pkt.stream_index= ost->index;
961 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
962 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
963 pkt.flags |= AV_PKT_FLAG_KEY;
964 write_frame(s, &pkt, enc, ost->bitstream_filters);
966 ost->sync_opts += enc->frame_size;
970 av_init_packet(&pkt);
972 ost->sync_opts += size_out / (osize * enc->channels);
974 /* output a pcm frame */
975 /* determine the size of the coded buffer */
978 size_out = size_out*coded_bps/8;
980 if(size_out > audio_out_size){
981 fprintf(stderr, "Internal error, buffer size too small\n");
985 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
986 ret = avcodec_encode_audio(enc, audio_out, size_out,
989 fprintf(stderr, "Audio encoding failed\n");
993 pkt.stream_index= ost->index;
996 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
997 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
998 pkt.flags |= AV_PKT_FLAG_KEY;
999 write_frame(s, &pkt, enc, ost->bitstream_filters);
1003 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
1005 AVCodecContext *dec;
1006 AVPicture *picture2;
1007 AVPicture picture_tmp;
1010 dec = ist->st->codec;
1012 /* deinterlace : must be done before any resize */
1013 if (do_deinterlace) {
1016 /* create temporary picture */
1017 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
1018 buf = av_malloc(size);
1022 picture2 = &picture_tmp;
1023 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
1025 if(avpicture_deinterlace(picture2, picture,
1026 dec->pix_fmt, dec->width, dec->height) < 0) {
1027 /* if error, do not deinterlace */
1028 fprintf(stderr, "Deinterlacing failed\n");
1037 if (picture != picture2)
1038 *picture = *picture2;
1042 static void do_subtitle_out(AVFormatContext *s,
1048 static uint8_t *subtitle_out = NULL;
1049 int subtitle_out_max_size = 1024 * 1024;
1050 int subtitle_out_size, nb, i;
1051 AVCodecContext *enc;
1054 if (pts == AV_NOPTS_VALUE) {
1055 fprintf(stderr, "Subtitle packets must have a pts\n");
1061 enc = ost->st->codec;
1063 if (!subtitle_out) {
1064 subtitle_out = av_malloc(subtitle_out_max_size);
1067 /* Note: DVB subtitle need one packet to draw them and one other
1068 packet to clear them */
1069 /* XXX: signal it in the codec context ? */
1070 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1075 for(i = 0; i < nb; i++) {
1076 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1077 // start_display_time is required to be 0
1078 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1079 sub->end_display_time -= sub->start_display_time;
1080 sub->start_display_time = 0;
1081 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1082 subtitle_out_max_size, sub);
1083 if (subtitle_out_size < 0) {
1084 fprintf(stderr, "Subtitle encoding failed\n");
1088 av_init_packet(&pkt);
1089 pkt.stream_index = ost->index;
1090 pkt.data = subtitle_out;
1091 pkt.size = subtitle_out_size;
1092 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1093 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1094 /* XXX: the pts correction is handled here. Maybe handling
1095 it in the codec would be better */
1097 pkt.pts += 90 * sub->start_display_time;
1099 pkt.pts += 90 * sub->end_display_time;
1101 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1105 static int bit_buffer_size= 1024*256;
1106 static uint8_t *bit_buffer= NULL;
1108 static void do_video_resample(OutputStream *ost,
1110 AVFrame *in_picture,
1111 AVFrame **out_picture)
1114 *out_picture = in_picture;
1116 AVCodecContext *dec = ist->st->codec;
1117 AVCodecContext *enc = ost->st->codec;
1118 int resample_changed = ost->resample_width != dec->width ||
1119 ost->resample_height != dec->height ||
1120 ost->resample_pix_fmt != dec->pix_fmt;
1122 *out_picture = in_picture;
1123 if (resample_changed) {
1124 av_log(NULL, AV_LOG_INFO,
1125 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1126 ist->file_index, ist->st->index,
1127 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1128 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1129 ost->resample_width = dec->width;
1130 ost->resample_height = dec->height;
1131 ost->resample_pix_fmt = dec->pix_fmt;
1134 ost->video_resample = dec->width != enc->width ||
1135 dec->height != enc->height ||
1136 dec->pix_fmt != enc->pix_fmt;
1138 if (ost->video_resample) {
1139 *out_picture = &ost->resample_frame;
1140 if (!ost->img_resample_ctx || resample_changed) {
1141 /* initialize the destination picture */
1142 if (!ost->resample_frame.data[0]) {
1143 avcodec_get_frame_defaults(&ost->resample_frame);
1144 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1145 enc->width, enc->height)) {
1146 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1150 /* initialize a new scaler context */
1151 sws_freeContext(ost->img_resample_ctx);
1152 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1153 enc->width, enc->height, enc->pix_fmt,
1154 ost->sws_flags, NULL, NULL, NULL);
1155 if (ost->img_resample_ctx == NULL) {
1156 fprintf(stderr, "Cannot get resampling context\n");
1160 sws_scale(ost->img_resample_ctx, in_picture->data, in_picture->linesize,
1161 0, ost->resample_height, (*out_picture)->data, (*out_picture)->linesize);
1167 static void do_video_out(AVFormatContext *s,
1170 AVFrame *in_picture,
1171 int *frame_size, float quality)
1173 int nb_frames, i, ret, format_video_sync;
1174 AVFrame *final_picture;
1175 AVCodecContext *enc;
1178 enc = ost->st->codec;
1180 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1182 /* by default, we output a single frame */
1187 format_video_sync = video_sync_method;
1188 if (format_video_sync < 0)
1189 format_video_sync = (s->oformat->flags & AVFMT_VARIABLE_FPS) ? 2 : 1;
1191 if (format_video_sync) {
1192 double vdelta = sync_ipts - ost->sync_opts;
1193 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1196 else if (format_video_sync == 2) {
1199 }else if(vdelta>0.6)
1200 ost->sync_opts= lrintf(sync_ipts);
1201 }else if (vdelta > 1.1)
1202 nb_frames = lrintf(vdelta);
1203 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%"PRId64", ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, get_sync_ipts(ost), nb_frames);
1204 if (nb_frames == 0){
1207 fprintf(stderr, "*** drop!\n");
1208 }else if (nb_frames > 1) {
1209 nb_frames_dup += nb_frames - 1;
1211 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1214 ost->sync_opts= lrintf(sync_ipts);
1216 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1220 do_video_resample(ost, ist, in_picture, &final_picture);
1222 /* duplicates frame if needed */
1223 for(i=0;i<nb_frames;i++) {
1225 av_init_packet(&pkt);
1226 pkt.stream_index= ost->index;
1228 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1229 /* raw pictures are written as AVPicture structure to
1230 avoid any copies. We support temporarily the older
1232 enc->coded_frame->interlaced_frame = in_picture->interlaced_frame;
1233 enc->coded_frame->top_field_first = in_picture->top_field_first;
1234 pkt.data= (uint8_t *)final_picture;
1235 pkt.size= sizeof(AVPicture);
1236 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1237 pkt.flags |= AV_PKT_FLAG_KEY;
1239 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1241 AVFrame big_picture;
1243 big_picture= *final_picture;
1244 /* better than nothing: use input picture interlaced
1246 big_picture.interlaced_frame = in_picture->interlaced_frame;
1247 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1248 if(top_field_first == -1)
1249 big_picture.top_field_first = in_picture->top_field_first;
1251 big_picture.top_field_first = top_field_first;
1254 /* handles same_quant here. This is not correct because it may
1255 not be a global option */
1256 big_picture.quality = quality;
1258 big_picture.pict_type = 0;
1259 // big_picture.pts = AV_NOPTS_VALUE;
1260 big_picture.pts= ost->sync_opts;
1261 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1262 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1263 if (ost->forced_kf_index < ost->forced_kf_count &&
1264 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1265 big_picture.pict_type = AV_PICTURE_TYPE_I;
1266 ost->forced_kf_index++;
1268 ret = avcodec_encode_video(enc,
1269 bit_buffer, bit_buffer_size,
1272 fprintf(stderr, "Video encoding failed\n");
1277 pkt.data= bit_buffer;
1279 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1280 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1281 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1282 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1283 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1285 if(enc->coded_frame->key_frame)
1286 pkt.flags |= AV_PKT_FLAG_KEY;
1287 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1290 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1291 // enc->frame_number-1, ret, enc->pict_type);
1292 /* if two pass, output log */
1293 if (ost->logfile && enc->stats_out) {
1294 fprintf(ost->logfile, "%s", enc->stats_out);
1299 ost->frame_number++;
1303 static double psnr(double d){
1304 return -10.0*log(d)/log(10.0);
1307 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1310 AVCodecContext *enc;
1312 double ti1, bitrate, avg_bitrate;
1314 /* this is executed just the first time do_video_stats is called */
1316 vstats_file = fopen(vstats_filename, "w");
1323 enc = ost->st->codec;
1324 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1325 frame_number = ost->frame_number;
1326 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1327 if (enc->flags&CODEC_FLAG_PSNR)
1328 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1330 fprintf(vstats_file,"f_size= %6d ", frame_size);
1331 /* compute pts value */
1332 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1336 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1337 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1338 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1339 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1340 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1344 static void print_report(OutputFile *output_files,
1345 OutputStream *ost_table, int nb_ostreams,
1346 int is_last_report, int64_t timer_start)
1350 AVFormatContext *oc;
1352 AVCodecContext *enc;
1353 int frame_number, vid, i;
1355 int64_t pts = INT64_MAX;
1356 static int64_t last_time = -1;
1357 static int qp_histogram[52];
1359 if (!is_last_report) {
1361 /* display the report every 0.5 seconds */
1362 cur_time = av_gettime();
1363 if (last_time == -1) {
1364 last_time = cur_time;
1367 if ((cur_time - last_time) < 500000)
1369 last_time = cur_time;
1373 oc = output_files[0].ctx;
1375 total_size = avio_size(oc->pb);
1376 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1377 total_size= avio_tell(oc->pb);
1381 for(i=0;i<nb_ostreams;i++) {
1383 ost = &ost_table[i];
1384 enc = ost->st->codec;
1385 if (!ost->st->stream_copy && enc->coded_frame)
1386 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1387 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1388 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1390 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1391 float t = (av_gettime()-timer_start) / 1000000.0;
1393 frame_number = ost->frame_number;
1394 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1395 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1397 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1401 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1404 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1406 if (enc->flags&CODEC_FLAG_PSNR){
1408 double error, error_sum=0;
1409 double scale, scale_sum=0;
1410 char type[3]= {'Y','U','V'};
1411 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1414 error= enc->error[j];
1415 scale= enc->width*enc->height*255.0*255.0*frame_number;
1417 error= enc->coded_frame->error[j];
1418 scale= enc->width*enc->height*255.0*255.0;
1423 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1425 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1429 /* compute min output value */
1430 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1431 ost->st->time_base, AV_TIME_BASE_Q));
1434 if (verbose > 0 || is_last_report) {
1435 int hours, mins, secs, us;
1436 secs = pts / AV_TIME_BASE;
1437 us = pts % AV_TIME_BASE;
1443 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1445 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1446 "size=%8.0fkB time=", total_size / 1024.0);
1447 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1448 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1449 (100 * us) / AV_TIME_BASE);
1450 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1451 "bitrate=%6.1fkbits/s", bitrate);
1453 if (nb_frames_dup || nb_frames_drop)
1454 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1455 nb_frames_dup, nb_frames_drop);
1458 fprintf(stderr, "%s \r", buf);
1463 if (is_last_report && verbose >= 0){
1464 int64_t raw= audio_size + video_size + extra_size;
1465 fprintf(stderr, "\n");
1466 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1470 100.0*(total_size - raw)/raw
1475 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1477 int fill_char = 0x00;
1478 if (sample_fmt == AV_SAMPLE_FMT_U8)
1480 memset(buf, fill_char, size);
1483 static void flush_encoders(OutputStream *ost_table, int nb_ostreams)
1487 for (i = 0; i < nb_ostreams; i++) {
1488 OutputStream *ost = &ost_table[i];
1489 AVCodecContext *enc = ost->st->codec;
1490 AVFormatContext *os = output_files[ost->file_index].ctx;
1492 if (!ost->encoding_needed)
1495 if (ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1497 if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1503 av_init_packet(&pkt);
1504 pkt.stream_index= ost->index;
1506 switch (ost->st->codec->codec_type) {
1507 case AVMEDIA_TYPE_AUDIO:
1508 fifo_bytes = av_fifo_size(ost->fifo);
1510 /* encode any samples remaining in fifo */
1511 if (fifo_bytes > 0) {
1512 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1513 int fs_tmp = enc->frame_size;
1515 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1516 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1517 enc->frame_size = fifo_bytes / (osize * enc->channels);
1519 int frame_bytes = enc->frame_size*osize*enc->channels;
1520 if (allocated_audio_buf_size < frame_bytes)
1522 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1525 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1526 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1527 ost->st->time_base.num, enc->sample_rate);
1528 enc->frame_size = fs_tmp;
1531 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1534 fprintf(stderr, "Audio encoding failed\n");
1538 pkt.flags |= AV_PKT_FLAG_KEY;
1540 case AVMEDIA_TYPE_VIDEO:
1541 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1543 fprintf(stderr, "Video encoding failed\n");
1547 if(enc->coded_frame && enc->coded_frame->key_frame)
1548 pkt.flags |= AV_PKT_FLAG_KEY;
1549 if (ost->logfile && enc->stats_out) {
1550 fprintf(ost->logfile, "%s", enc->stats_out);
1559 pkt.data = bit_buffer;
1561 if (enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1562 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1563 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1568 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1569 static int output_packet(InputStream *ist, int ist_index,
1570 OutputStream *ost_table, int nb_ostreams,
1571 const AVPacket *pkt)
1573 AVFormatContext *os;
1578 void *buffer_to_free = NULL;
1579 static unsigned int samples_size= 0;
1580 AVSubtitle subtitle, *subtitle_to_free;
1581 int64_t pkt_pts = AV_NOPTS_VALUE;
1583 int frame_available;
1588 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1590 if(ist->next_pts == AV_NOPTS_VALUE)
1591 ist->next_pts= ist->pts;
1595 av_init_packet(&avpkt);
1603 if(pkt->dts != AV_NOPTS_VALUE)
1604 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1605 if(pkt->pts != AV_NOPTS_VALUE)
1606 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1608 //while we have more to decode or while the decoder did output something on EOF
1609 while (avpkt.size > 0 || (!pkt && got_output)) {
1610 uint8_t *data_buf, *decoded_data_buf;
1611 int data_size, decoded_data_size;
1613 ist->pts= ist->next_pts;
1615 if(avpkt.size && avpkt.size != pkt->size &&
1616 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1617 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1618 ist->showed_multi_packet_warning=1;
1621 /* decode the packet if needed */
1622 decoded_data_buf = NULL; /* fail safe */
1623 decoded_data_size= 0;
1624 data_buf = avpkt.data;
1625 data_size = avpkt.size;
1626 subtitle_to_free = NULL;
1627 if (ist->decoding_needed) {
1628 switch(ist->st->codec->codec_type) {
1629 case AVMEDIA_TYPE_AUDIO:{
1630 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1631 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1633 samples= av_malloc(samples_size);
1635 decoded_data_size= samples_size;
1636 /* XXX: could avoid copy if PCM 16 bits with same
1637 endianness as CPU */
1638 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1645 got_output = decoded_data_size > 0;
1646 /* Some bug in mpeg audio decoder gives */
1647 /* decoded_data_size < 0, it seems they are overflows */
1649 /* no audio frame */
1652 decoded_data_buf = (uint8_t *)samples;
1653 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1654 (ist->st->codec->sample_rate * ist->st->codec->channels);
1656 case AVMEDIA_TYPE_VIDEO:
1657 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1658 /* XXX: allocate picture correctly */
1659 avcodec_get_frame_defaults(&picture);
1660 avpkt.pts = pkt_pts;
1661 avpkt.dts = ist->pts;
1662 pkt_pts = AV_NOPTS_VALUE;
1664 ret = avcodec_decode_video2(ist->st->codec,
1665 &picture, &got_output, &avpkt);
1666 quality = same_quant ? picture.quality : 0;
1670 /* no picture yet */
1671 goto discard_packet;
1673 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1674 if (ist->st->codec->time_base.num != 0) {
1675 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1676 ist->next_pts += ((int64_t)AV_TIME_BASE *
1677 ist->st->codec->time_base.num * ticks) /
1678 ist->st->codec->time_base.den;
1681 buffer_to_free = NULL;
1682 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1684 case AVMEDIA_TYPE_SUBTITLE:
1685 ret = avcodec_decode_subtitle2(ist->st->codec,
1686 &subtitle, &got_output, &avpkt);
1690 goto discard_packet;
1692 subtitle_to_free = &subtitle;
1699 switch(ist->st->codec->codec_type) {
1700 case AVMEDIA_TYPE_AUDIO:
1701 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1702 ist->st->codec->sample_rate;
1704 case AVMEDIA_TYPE_VIDEO:
1705 if (ist->st->codec->time_base.num != 0) {
1706 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1707 ist->next_pts += ((int64_t)AV_TIME_BASE *
1708 ist->st->codec->time_base.num * ticks) /
1709 ist->st->codec->time_base.den;
1717 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1718 if (start_time == 0 || ist->pts >= start_time) {
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = &ost_table[i];
1721 if (ost->input_video_filter && ost->source_index == ist_index) {
1722 if (!picture.sample_aspect_ratio.num)
1723 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1724 picture.pts = ist->pts;
1726 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1732 // preprocess audio (volume)
1733 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1734 if (audio_volume != 256) {
1737 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1738 int v = ((*volp) * audio_volume + 128) >> 8;
1739 *volp++ = av_clip_int16(v);
1744 /* frame rate emulation */
1746 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1747 int64_t now = av_gettime() - ist->start;
1751 /* if output time reached then transcode raw format,
1752 encode packets and output them */
1753 for (i = 0; i < nb_ostreams; i++) {
1754 OutputFile *of = &output_files[ost_table[i].file_index];
1757 ost = &ost_table[i];
1758 if (ost->source_index != ist_index)
1761 if (of->start_time && ist->pts < of->start_time)
1764 if (of->recording_time != INT64_MAX &&
1765 av_compare_ts(ist->pts, AV_TIME_BASE_Q, of->recording_time + of->start_time,
1766 (AVRational){1, 1000000}) >= 0) {
1767 ost->is_past_recording_time = 1;
1772 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1773 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1774 while (frame_available) {
1775 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1776 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1777 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1780 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1781 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1785 os = output_files[ost->file_index].ctx;
1787 /* set the input output pts pairs */
1788 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1790 if (ost->encoding_needed) {
1791 av_assert0(ist->decoding_needed);
1792 switch(ost->st->codec->codec_type) {
1793 case AVMEDIA_TYPE_AUDIO:
1794 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1796 case AVMEDIA_TYPE_VIDEO:
1798 if (ost->picref->video && !ost->frame_aspect_ratio)
1799 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1801 do_video_out(os, ost, ist, &picture, &frame_size,
1802 same_quant ? quality : ost->st->codec->global_quality);
1803 if (vstats_filename && frame_size)
1804 do_video_stats(os, ost, frame_size);
1806 case AVMEDIA_TYPE_SUBTITLE:
1807 do_subtitle_out(os, ost, ist, &subtitle,
1814 AVFrame avframe; //FIXME/XXX remove this
1817 int64_t ost_tb_start_time= av_rescale_q(of->start_time, AV_TIME_BASE_Q, ost->st->time_base);
1818 av_init_packet(&opkt);
1820 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1821 #if !CONFIG_AVFILTER
1827 /* no reencoding needed : output the packet directly */
1828 /* force the input stream PTS */
1830 avcodec_get_frame_defaults(&avframe);
1831 ost->st->codec->coded_frame= &avframe;
1832 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1834 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1835 audio_size += data_size;
1836 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1837 video_size += data_size;
1841 opkt.stream_index= ost->index;
1842 if(pkt->pts != AV_NOPTS_VALUE)
1843 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1845 opkt.pts= AV_NOPTS_VALUE;
1847 if (pkt->dts == AV_NOPTS_VALUE)
1848 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1850 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1851 opkt.dts -= ost_tb_start_time;
1853 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1854 opkt.flags= pkt->flags;
1856 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1857 if( ost->st->codec->codec_id != CODEC_ID_H264
1858 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1859 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1861 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1862 opkt.destruct= av_destruct_packet;
1864 opkt.data = data_buf;
1865 opkt.size = data_size;
1868 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1869 /* store AVPicture in AVPacket, as expected by the output format */
1870 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1871 opkt.data = (uint8_t *)&pict;
1872 opkt.size = sizeof(AVPicture);
1873 opkt.flags |= AV_PKT_FLAG_KEY;
1875 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1876 ost->st->codec->frame_number++;
1877 ost->frame_number++;
1878 av_free_packet(&opkt);
1882 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1883 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1884 avfilter_unref_buffer(ost->picref);
1889 av_free(buffer_to_free);
1890 /* XXX: allocate the subtitles in the codec ? */
1891 if (subtitle_to_free) {
1892 avsubtitle_free(subtitle_to_free);
1893 subtitle_to_free = NULL;
1901 static void print_sdp(OutputFile *output_files, int n)
1905 AVFormatContext **avc = av_malloc(sizeof(*avc)*n);
1909 for (i = 0; i < n; i++)
1910 avc[i] = output_files[i].ctx;
1912 av_sdp_create(avc, n, sdp, sizeof(sdp));
1913 printf("SDP:\n%s\n", sdp);
1918 static int init_input_stream(int ist_index, OutputStream *output_streams, int nb_output_streams,
1919 char *error, int error_len)
1921 InputStream *ist = &input_streams[ist_index];
1922 if (ist->decoding_needed) {
1923 AVCodec *codec = ist->dec;
1925 snprintf(error, error_len, "Decoder (codec %s) not found for input stream #%d.%d",
1926 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
1927 return AVERROR(EINVAL);
1929 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
1930 snprintf(error, error_len, "Error while opening decoder for input stream #%d.%d",
1931 ist->file_index, ist->st->index);
1932 return AVERROR(EINVAL);
1934 assert_codec_experimental(ist->st->codec, 0);
1935 assert_avoptions(ist->opts);
1938 ist->pts = ist->st->avg_frame_rate.num ? - ist->st->codec->has_b_frames*AV_TIME_BASE / av_q2d(ist->st->avg_frame_rate) : 0;
1939 ist->next_pts = AV_NOPTS_VALUE;
1945 static int transcode_init(OutputFile *output_files,
1946 int nb_output_files,
1947 InputFile *input_files,
1951 AVFormatContext *os;
1952 AVCodecContext *codec, *icodec;
1959 for (i = 0; i < nb_input_streams; i++)
1960 input_streams[i].start = av_gettime();
1962 /* output stream init */
1963 for(i=0;i<nb_output_files;i++) {
1964 os = output_files[i].ctx;
1965 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1966 av_dump_format(os, i, os->filename, 1);
1967 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1968 return AVERROR(EINVAL);
1972 /* for each output stream, we compute the right encoding parameters */
1973 for (i = 0; i < nb_output_streams; i++) {
1974 ost = &output_streams[i];
1975 os = output_files[ost->file_index].ctx;
1976 ist = &input_streams[ost->source_index];
1978 codec = ost->st->codec;
1979 icodec = ist->st->codec;
1981 ost->st->disposition = ist->st->disposition;
1982 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1983 codec->chroma_sample_location = icodec->chroma_sample_location;
1985 if (ost->st->stream_copy) {
1986 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1988 if (extra_size > INT_MAX) {
1989 return AVERROR(EINVAL);
1992 /* if stream_copy is selected, no need to decode or encode */
1993 codec->codec_id = icodec->codec_id;
1994 codec->codec_type = icodec->codec_type;
1996 if(!codec->codec_tag){
1997 if( !os->oformat->codec_tag
1998 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1999 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
2000 codec->codec_tag = icodec->codec_tag;
2003 codec->bit_rate = icodec->bit_rate;
2004 codec->rc_max_rate = icodec->rc_max_rate;
2005 codec->rc_buffer_size = icodec->rc_buffer_size;
2006 codec->extradata= av_mallocz(extra_size);
2007 if (!codec->extradata) {
2008 return AVERROR(ENOMEM);
2010 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
2011 codec->extradata_size= icodec->extradata_size;
2013 codec->time_base = ist->st->time_base;
2014 if(!strcmp(os->oformat->name, "avi")) {
2015 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > 2*av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2016 codec->time_base = icodec->time_base;
2017 codec->time_base.num *= icodec->ticks_per_frame;
2018 codec->time_base.den *= 2;
2020 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
2021 if(!copy_tb && av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/500){
2022 codec->time_base = icodec->time_base;
2023 codec->time_base.num *= icodec->ticks_per_frame;
2026 av_reduce(&codec->time_base.num, &codec->time_base.den,
2027 codec->time_base.num, codec->time_base.den, INT_MAX);
2029 switch(codec->codec_type) {
2030 case AVMEDIA_TYPE_AUDIO:
2031 if(audio_volume != 256) {
2032 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2035 codec->channel_layout = icodec->channel_layout;
2036 codec->sample_rate = icodec->sample_rate;
2037 codec->channels = icodec->channels;
2038 codec->frame_size = icodec->frame_size;
2039 codec->audio_service_type = icodec->audio_service_type;
2040 codec->block_align= icodec->block_align;
2041 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2042 codec->block_align= 0;
2043 if(codec->codec_id == CODEC_ID_AC3)
2044 codec->block_align= 0;
2046 case AVMEDIA_TYPE_VIDEO:
2047 codec->pix_fmt = icodec->pix_fmt;
2048 codec->width = icodec->width;
2049 codec->height = icodec->height;
2050 codec->has_b_frames = icodec->has_b_frames;
2051 if (!codec->sample_aspect_ratio.num) {
2052 codec->sample_aspect_ratio =
2053 ost->st->sample_aspect_ratio =
2054 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2055 ist->st->codec->sample_aspect_ratio.num ?
2056 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2059 case AVMEDIA_TYPE_SUBTITLE:
2060 codec->width = icodec->width;
2061 codec->height = icodec->height;
2063 case AVMEDIA_TYPE_DATA:
2070 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2071 switch(codec->codec_type) {
2072 case AVMEDIA_TYPE_AUDIO:
2073 ost->fifo= av_fifo_alloc(1024);
2075 return AVERROR(ENOMEM);
2077 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2078 if (!codec->sample_rate) {
2079 codec->sample_rate = icodec->sample_rate;
2081 choose_sample_rate(ost->st, ost->enc);
2082 codec->time_base = (AVRational){1, codec->sample_rate};
2083 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2084 codec->sample_fmt = icodec->sample_fmt;
2085 choose_sample_fmt(ost->st, ost->enc);
2086 if (!codec->channels) {
2087 codec->channels = icodec->channels;
2088 codec->channel_layout = icodec->channel_layout;
2090 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2091 codec->channel_layout = 0;
2092 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2093 icodec->request_channels = codec->channels;
2094 ist->decoding_needed = 1;
2095 ost->encoding_needed = 1;
2096 ost->resample_sample_fmt = icodec->sample_fmt;
2097 ost->resample_sample_rate = icodec->sample_rate;
2098 ost->resample_channels = icodec->channels;
2100 case AVMEDIA_TYPE_VIDEO:
2101 if (codec->pix_fmt == PIX_FMT_NONE)
2102 codec->pix_fmt = icodec->pix_fmt;
2103 choose_pixel_fmt(ost->st, ost->enc);
2105 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2106 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2110 if (!codec->width || !codec->height) {
2111 codec->width = icodec->width;
2112 codec->height = icodec->height;
2115 ost->video_resample = codec->width != icodec->width ||
2116 codec->height != icodec->height ||
2117 codec->pix_fmt != icodec->pix_fmt;
2118 if (ost->video_resample) {
2119 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2122 ost->resample_height = icodec->height;
2123 ost->resample_width = icodec->width;
2124 ost->resample_pix_fmt= icodec->pix_fmt;
2125 ost->encoding_needed = 1;
2126 ist->decoding_needed = 1;
2128 if (!ost->frame_rate.num)
2129 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2130 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2131 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2132 ost->frame_rate = ost->enc->supported_framerates[idx];
2134 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2135 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2136 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2137 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2138 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2142 if (configure_video_filters(ist, ost)) {
2143 fprintf(stderr, "Error opening filters!\n");
2148 case AVMEDIA_TYPE_SUBTITLE:
2149 ost->encoding_needed = 1;
2150 ist->decoding_needed = 1;
2157 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2158 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2159 char logfilename[1024];
2162 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2163 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2165 if (codec->flags & CODEC_FLAG_PASS1) {
2166 f = fopen(logfilename, "wb");
2168 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2174 size_t logbuffer_size;
2175 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2176 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2179 codec->stats_in = logbuffer;
2183 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2184 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2185 int size= codec->width * codec->height;
2186 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2191 bit_buffer = av_malloc(bit_buffer_size);
2193 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2195 return AVERROR(ENOMEM);
2198 /* open each encoder */
2199 for (i = 0; i < nb_output_streams; i++) {
2200 ost = &output_streams[i];
2201 if (ost->encoding_needed) {
2202 AVCodec *codec = ost->enc;
2203 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2205 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2206 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2207 ret = AVERROR(EINVAL);
2210 if (dec->subtitle_header) {
2211 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2212 if (!ost->st->codec->subtitle_header) {
2213 ret = AVERROR(ENOMEM);
2216 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2217 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2219 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2220 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2221 ost->file_index, ost->index);
2222 ret = AVERROR(EINVAL);
2225 assert_codec_experimental(ost->st->codec, 1);
2226 assert_avoptions(ost->opts);
2227 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2228 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2229 "It takes bits/s as argument, not kbits/s\n");
2230 extra_size += ost->st->codec->extradata_size;
2234 /* init input streams */
2235 for (i = 0; i < nb_input_streams; i++)
2236 if ((ret = init_input_stream(i, output_streams, nb_output_streams, error, sizeof(error))) < 0)
2239 /* open files and write file headers */
2240 for (i = 0; i < nb_output_files; i++) {
2241 os = output_files[i].ctx;
2242 if (avformat_write_header(os, &output_files[i].opts) < 0) {
2243 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2244 ret = AVERROR(EINVAL);
2247 // assert_avoptions(output_files[i].opts);
2248 if (strcmp(os->oformat->name, "rtp")) {
2254 /* dump the file output parameters - cannot be done before in case
2256 for(i=0;i<nb_output_files;i++) {
2257 av_dump_format(output_files[i].ctx, i, output_files[i].ctx->filename, 1);
2260 /* dump the stream mapping */
2262 fprintf(stderr, "Stream mapping:\n");
2263 for (i = 0; i < nb_output_streams;i ++) {
2264 ost = &output_streams[i];
2265 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2266 input_streams[ost->source_index].file_index,
2267 input_streams[ost->source_index].st->index,
2270 if (ost->sync_ist != &input_streams[ost->source_index])
2271 fprintf(stderr, " [sync #%d.%d]",
2272 ost->sync_ist->file_index,
2273 ost->sync_ist->st->index);
2274 if (ost->st->stream_copy)
2275 fprintf(stderr, " (copy)");
2277 fprintf(stderr, " (%s -> %s)", input_streams[ost->source_index].dec ?
2278 input_streams[ost->source_index].dec->name : "?",
2279 ost->enc ? ost->enc->name : "?");
2280 fprintf(stderr, "\n");
2285 fprintf(stderr, "%s\n", error);
2290 print_sdp(output_files, nb_output_files);
2297 * The following code is the main loop of the file converter
2299 static int transcode(OutputFile *output_files,
2300 int nb_output_files,
2301 InputFile *input_files,
2305 AVFormatContext *is, *os;
2309 int no_packet_count=0;
2310 int64_t timer_start;
2313 if (!(no_packet = av_mallocz(nb_input_files)))
2316 ret = transcode_init(output_files, nb_output_files, input_files, nb_input_files);
2322 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2323 avio_set_interrupt_cb(decode_interrupt_cb);
2327 timer_start = av_gettime();
2329 for(; received_sigterm == 0;) {
2330 int file_index, ist_index;
2335 ipts_min= INT64_MAX;
2337 /* if 'q' pressed, exits */
2341 /* read_key() returns 0 on EOF */
2345 if (key == '+') verbose++;
2346 if (key == '-') verbose--;
2347 if (key == 's') qp_hist ^= 1;
2350 do_hex_dump = do_pkt_dump = 0;
2351 } else if(do_pkt_dump){
2355 av_log_set_level(AV_LOG_DEBUG);
2358 if (key == 'c' || key == 'C'){
2359 char ret[4096], target[64], cmd[256], arg[256]={0};
2362 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2364 while((k=read_key()) !='\n' && k!='\r' && i<sizeof(ret)-1)
2365 if(k>0) ret[i++]= k;
2367 if(k>0 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
2368 for(i=0;i<nb_output_streams;i++) {
2370 ost = &output_streams[i];
2373 r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2374 fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret);
2376 r= avfilter_graph_queue_command(ost->graph, target, cmd, arg, 0, ts);
2381 fprintf(stderr, "Parse error\n");
2385 if (key == 'd' || key == 'D'){
2388 debug = input_streams[0].st->codec->debug<<1;
2389 if(!debug) debug = 1;
2390 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2393 scanf("%d", &debug);
2394 for(i=0;i<nb_input_streams;i++) {
2395 input_streams[i].st->codec->debug = debug;
2397 for(i=0;i<nb_output_streams;i++) {
2398 ost = &output_streams[i];
2399 ost->st->codec->debug = debug;
2401 if(debug) av_log_set_level(AV_LOG_DEBUG);
2402 fprintf(stderr,"debug=%d\n", debug);
2405 fprintf(stderr, "key function\n"
2406 "? show this help\n"
2407 "+ increase verbosity\n"
2408 "- decrease verbosity\n"
2409 "c Send command to filtergraph\n"
2410 "D cycle through available debug modes\n"
2411 "h dump packets/hex press to cycle through the 3 states\n"
2413 "s Show QP histogram\n"
2418 /* select the stream that we must read now by looking at the
2419 smallest output pts */
2421 for (i = 0; i < nb_output_streams; i++) {
2425 ost = &output_streams[i];
2426 of = &output_files[ost->file_index];
2427 os = output_files[ost->file_index].ctx;
2428 ist = &input_streams[ost->source_index];
2429 if (ost->is_past_recording_time || no_packet[ist->file_index] ||
2430 (os->pb && avio_tell(os->pb) >= of->limit_filesize))
2432 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2434 if (!input_files[ist->file_index].eof_reached){
2435 if(ipts < ipts_min) {
2437 if(input_sync ) file_index = ist->file_index;
2439 if(opts < opts_min) {
2441 if(!input_sync) file_index = ist->file_index;
2444 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2449 /* if none, if is finished */
2450 if (file_index < 0) {
2451 if(no_packet_count){
2453 memset(no_packet, 0, nb_input_files);
2460 /* read a frame from it and output it in the fifo */
2461 is = input_files[file_index].ctx;
2462 ret= av_read_frame(is, &pkt);
2463 if(ret == AVERROR(EAGAIN)){
2464 no_packet[file_index]=1;
2469 input_files[file_index].eof_reached = 1;
2477 memset(no_packet, 0, nb_input_files);
2480 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2481 is->streams[pkt.stream_index]);
2483 /* the following test is needed in case new streams appear
2484 dynamically in stream : we ignore them */
2485 if (pkt.stream_index >= input_files[file_index].nb_streams)
2486 goto discard_packet;
2487 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2488 ist = &input_streams[ist_index];
2490 goto discard_packet;
2492 if (pkt.dts != AV_NOPTS_VALUE)
2493 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2494 if (pkt.pts != AV_NOPTS_VALUE)
2495 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2497 if (ist->ts_scale) {
2498 if(pkt.pts != AV_NOPTS_VALUE)
2499 pkt.pts *= ist->ts_scale;
2500 if(pkt.dts != AV_NOPTS_VALUE)
2501 pkt.dts *= ist->ts_scale;
2504 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files[ist->file_index].ts_offset, ist->st->codec->codec_type);
2505 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2506 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2507 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2508 int64_t delta= pkt_dts - ist->next_pts;
2509 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2510 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2511 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2512 pkt_dts+1<ist->pts)&& !copy_ts){
2513 input_files[ist->file_index].ts_offset -= delta;
2515 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2516 delta, input_files[ist->file_index].ts_offset);
2517 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2518 if(pkt.pts != AV_NOPTS_VALUE)
2519 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2523 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2524 if (output_packet(ist, ist_index, output_streams, nb_output_streams, &pkt) < 0) {
2527 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2528 ist->file_index, ist->st->index);
2531 av_free_packet(&pkt);
2536 av_free_packet(&pkt);
2538 /* dump report by using the output first video and audio streams */
2539 print_report(output_files, output_streams, nb_output_streams, 0, timer_start);
2542 /* at the end of stream, we must flush the decoder buffers */
2543 for (i = 0; i < nb_input_streams; i++) {
2544 ist = &input_streams[i];
2545 if (ist->decoding_needed) {
2546 output_packet(ist, i, output_streams, nb_output_streams, NULL);
2549 flush_encoders(output_streams, nb_output_streams);
2553 /* write the trailer if needed and close file */
2554 for(i=0;i<nb_output_files;i++) {
2555 os = output_files[i].ctx;
2556 av_write_trailer(os);
2559 /* dump report by using the first video and audio streams */
2560 print_report(output_files, output_streams, nb_output_streams, 1, timer_start);
2562 /* close each encoder */
2563 for (i = 0; i < nb_output_streams; i++) {
2564 ost = &output_streams[i];
2565 if (ost->encoding_needed) {
2566 av_freep(&ost->st->codec->stats_in);
2567 avcodec_close(ost->st->codec);
2570 avfilter_graph_free(&ost->graph);
2574 /* close each decoder */
2575 for (i = 0; i < nb_input_streams; i++) {
2576 ist = &input_streams[i];
2577 if (ist->decoding_needed) {
2578 avcodec_close(ist->st->codec);
2586 av_freep(&bit_buffer);
2587 av_freep(&no_packet);
2589 if (output_streams) {
2590 for (i = 0; i < nb_output_streams; i++) {
2591 ost = &output_streams[i];
2593 if (ost->st->stream_copy)
2594 av_freep(&ost->st->codec->extradata);
2596 fclose(ost->logfile);
2597 ost->logfile = NULL;
2599 av_fifo_free(ost->fifo); /* works even if fifo is not
2600 initialized but set to zero */
2601 av_freep(&ost->st->codec->subtitle_header);
2602 av_free(ost->resample_frame.data[0]);
2603 av_free(ost->forced_kf_pts);
2604 if (ost->video_resample)
2605 sws_freeContext(ost->img_resample_ctx);
2607 audio_resample_close(ost->resample);
2608 if (ost->reformat_ctx)
2609 av_audio_convert_free(ost->reformat_ctx);
2610 av_dict_free(&ost->opts);
2617 static int opt_format(const char *opt, const char *arg)
2619 last_asked_format = arg;
2623 static int opt_video_rc_override_string(const char *opt, const char *arg)
2625 video_rc_override_string = arg;
2629 static int opt_me_threshold(const char *opt, const char *arg)
2631 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2635 static int opt_verbose(const char *opt, const char *arg)
2637 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2641 static int opt_frame_rate(const char *opt, const char *arg)
2643 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2644 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2650 static int opt_frame_crop(const char *opt, const char *arg)
2652 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2653 return AVERROR(EINVAL);
2656 static int opt_frame_size(const char *opt, const char *arg)
2658 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2659 fprintf(stderr, "Incorrect frame size\n");
2660 return AVERROR(EINVAL);
2665 static int opt_pad(const char *opt, const char *arg) {
2666 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2670 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2672 if (strcmp(arg, "list")) {
2673 frame_pix_fmt = av_get_pix_fmt(arg);
2674 if (frame_pix_fmt == PIX_FMT_NONE) {
2675 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2676 return AVERROR(EINVAL);
2679 opt_pix_fmts(NULL, NULL);
2685 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2692 p = strchr(arg, ':');
2694 x = strtol(arg, &end, 10);
2696 y = strtol(end+1, &end, 10);
2698 ar = (double)x / (double)y;
2700 ar = strtod(arg, NULL);
2703 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2704 return AVERROR(EINVAL);
2706 frame_aspect_ratio = ar;
2710 static int opt_metadata(const char *opt, const char *arg)
2712 char *mid= strchr(arg, '=');
2715 fprintf(stderr, "Missing =\n");
2720 av_dict_set(&metadata, arg, mid, 0);
2725 static int opt_qscale(const char *opt, const char *arg)
2727 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2728 if (video_qscale <= 0 || video_qscale > 255) {
2729 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2730 return AVERROR(EINVAL);
2735 static int opt_top_field_first(const char *opt, const char *arg)
2737 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2738 return opt_default(opt, arg);
2741 static int opt_thread_count(const char *opt, const char *arg)
2743 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2746 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2751 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2753 if (strcmp(arg, "list")) {
2754 audio_sample_fmt = av_get_sample_fmt(arg);
2755 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2756 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2757 return AVERROR(EINVAL);
2762 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2763 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2769 static int opt_audio_rate(const char *opt, const char *arg)
2771 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2775 static int opt_audio_channels(const char *opt, const char *arg)
2777 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2781 static int opt_video_channel(const char *opt, const char *arg)
2783 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2784 return opt_default("channel", arg);
2787 static int opt_video_standard(const char *opt, const char *arg)
2789 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2790 return opt_default("standard", arg);
2793 static int opt_codec(const char *opt, const char *arg)
2795 switch(opt[strlen(opt)-1]){
2796 case 'a': audio_codec_name = arg; break;
2797 case 'v': video_codec_name = arg; break;
2798 case 's': subtitle_codec_name = arg; break;
2801 return av_dict_set(&codec_names, opt, arg, 0);
2804 static int opt_audio_codec(const char *opt, const char *arg)
2806 return opt_codec("codec:a", arg);
2809 static int opt_video_codec(const char *opt, const char *arg)
2811 return opt_codec("codec:v", arg);
2814 static int opt_subtitle_codec(const char *opt, const char *arg)
2816 return opt_codec("codec:s", arg);
2819 static int opt_data_codec(const char *opt, const char *arg)
2821 return opt_codec("codec:d", arg);
2824 static int opt_codec_tag(const char *opt, const char *arg)
2827 uint32_t *codec_tag;
2829 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2830 !strcmp(opt, "vtag") ? &video_codec_tag :
2831 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2835 *codec_tag = strtol(arg, &tail, 0);
2837 *codec_tag = AV_RL32(arg);
2842 static int opt_map(const char *opt, const char *arg)
2844 StreamMap *m = NULL;
2845 int i, negative = 0, file_idx;
2846 int sync_file_idx = -1, sync_stream_idx;
2854 map = av_strdup(arg);
2856 /* parse sync stream first, just pick first matching stream */
2857 if (sync = strchr(map, ',')) {
2859 sync_file_idx = strtol(sync + 1, &sync, 0);
2860 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2861 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2866 for (i = 0; i < input_files[sync_file_idx].nb_streams; i++)
2867 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2868 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2869 sync_stream_idx = i;
2872 if (i == input_files[sync_file_idx].nb_streams) {
2873 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2874 "match any streams.\n", arg);
2880 file_idx = strtol(map, &p, 0);
2881 if (file_idx >= nb_input_files || file_idx < 0) {
2882 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2886 /* disable some already defined maps */
2887 for (i = 0; i < nb_stream_maps; i++) {
2888 m = &stream_maps[i];
2889 if (check_stream_specifier(input_files[m->file_index].ctx,
2890 input_files[m->file_index].ctx->streams[m->stream_index],
2891 *p == ':' ? p + 1 : p) > 0)
2895 for (i = 0; i < input_files[file_idx].nb_streams; i++) {
2896 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2897 *p == ':' ? p + 1 : p) <= 0)
2899 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2900 m = &stream_maps[nb_stream_maps - 1];
2902 m->file_index = file_idx;
2903 m->stream_index = i;
2905 if (sync_file_idx >= 0) {
2906 m->sync_file_index = sync_file_idx;
2907 m->sync_stream_index = sync_stream_idx;
2909 m->sync_file_index = file_idx;
2910 m->sync_stream_index = i;
2915 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2923 static void parse_meta_type(char *arg, char *type, int *index)
2933 if (*(++arg) == ':')
2934 *index = strtol(++arg, NULL, 0);
2937 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2944 static int opt_map_metadata(const char *opt, const char *arg)
2946 MetadataMap *m, *m1;
2949 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2950 &nb_meta_data_maps, nb_meta_data_maps + 1);
2952 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2953 m->file = strtol(arg, &p, 0);
2954 parse_meta_type(p, &m->type, &m->index);
2956 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2957 if (p = strchr(opt, ':'))
2958 parse_meta_type(p, &m1->type, &m1->index);
2962 if (m->type == 'g' || m1->type == 'g')
2963 metadata_global_autocopy = 0;
2964 if (m->type == 's' || m1->type == 's')
2965 metadata_streams_autocopy = 0;
2966 if (m->type == 'c' || m1->type == 'c')
2967 metadata_chapters_autocopy = 0;
2972 static int opt_map_meta_data(const char *opt, const char *arg)
2974 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2975 "Use -map_metadata instead.\n");
2976 return opt_map_metadata(opt, arg);
2979 static int opt_input_ts_scale(const char *opt, const char *arg)
2981 return av_dict_set(&ts_scale, opt, arg, 0);
2984 static int opt_recording_time(const char *opt, const char *arg)
2986 recording_time = parse_time_or_die(opt, arg, 1);
2990 static int opt_start_time(const char *opt, const char *arg)
2992 start_time = parse_time_or_die(opt, arg, 1);
2996 static int opt_recording_timestamp(const char *opt, const char *arg)
2999 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
3000 struct tm time = *gmtime((time_t*)&recording_timestamp);
3001 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
3002 opt_metadata("metadata", buf);
3004 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
3005 "tag instead.\n", opt);
3009 static int opt_input_ts_offset(const char *opt, const char *arg)
3011 input_ts_offset = parse_time_or_die(opt, arg, 1);
3015 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
3017 const char *codec_string = encoder ? "encoder" : "decoder";
3021 return CODEC_ID_NONE;
3023 avcodec_find_encoder_by_name(name) :
3024 avcodec_find_decoder_by_name(name);
3026 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
3029 if(codec->type != type) {
3030 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
3036 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
3038 AVDictionaryEntry *e = NULL;
3039 char *codec_name = NULL;
3042 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
3043 char *p = strchr(e->key, ':');
3045 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
3046 codec_name = e->value;
3053 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
3054 return avcodec_find_encoder(st->codec->codec_id);
3056 } else if (!strcmp(codec_name, "copy"))
3057 st->stream_copy = 1;
3059 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
3060 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
3061 avcodec_find_decoder_by_name(codec_name);
3068 * Add all the streams from the given input file to the global
3069 * list of input streams.
3071 static void add_input_streams(AVFormatContext *ic)
3073 int i, rfps, rfps_base, ret;
3075 for (i = 0; i < ic->nb_streams; i++) {
3076 AVStream *st = ic->streams[i];
3077 AVCodecContext *dec = st->codec;
3078 AVDictionaryEntry *e = NULL;
3082 dec->thread_count = thread_count;
3084 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3085 ist = &input_streams[nb_input_streams - 1];
3087 ist->file_index = nb_input_files;
3089 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3091 while (e = av_dict_get(ts_scale, "", e, AV_DICT_IGNORE_SUFFIX)) {
3092 char *p = strchr(e->key, ':');
3094 if ((ret = check_stream_specifier(ic, st, p ? p + 1 : "")) > 0)
3100 ist->ts_scale = strtod(scale, NULL);
3102 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3104 ist->dec = avcodec_find_decoder(dec->codec_id);
3106 switch (dec->codec_type) {
3107 case AVMEDIA_TYPE_AUDIO:
3109 ist->dec = avcodec_find_decoder(dec->codec_id);
3111 st->discard= AVDISCARD_ALL;
3113 case AVMEDIA_TYPE_VIDEO:
3115 ist->dec = avcodec_find_decoder(dec->codec_id);
3116 rfps = ic->streams[i]->r_frame_rate.num;
3117 rfps_base = ic->streams[i]->r_frame_rate.den;
3119 dec->flags |= CODEC_FLAG_EMU_EDGE;
3122 dec->debug |= FF_DEBUG_MV;
3124 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3127 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3128 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3130 (float)rfps / rfps_base, rfps, rfps_base);
3134 st->discard= AVDISCARD_ALL;
3135 else if(video_discard)
3136 st->discard= video_discard;
3138 case AVMEDIA_TYPE_DATA:
3140 case AVMEDIA_TYPE_SUBTITLE:
3142 ist->dec = avcodec_find_decoder(dec->codec_id);
3143 if(subtitle_disable)
3144 st->discard = AVDISCARD_ALL;
3146 case AVMEDIA_TYPE_ATTACHMENT:
3147 case AVMEDIA_TYPE_UNKNOWN:
3155 static int opt_input_file(const char *opt, const char *filename)
3157 AVFormatContext *ic;
3158 AVInputFormat *file_iformat = NULL;
3162 AVDictionary **opts;
3163 int orig_nb_streams; // number of streams before avformat_find_stream_info
3165 if (last_asked_format) {
3166 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3167 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3170 last_asked_format = NULL;
3173 if (!strcmp(filename, "-"))
3176 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3177 !strcmp(filename, "/dev/stdin");
3179 /* get default parameters from command line */
3180 ic = avformat_alloc_context();
3182 print_error(filename, AVERROR(ENOMEM));
3185 if (audio_sample_rate) {
3186 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3187 av_dict_set(&format_opts, "sample_rate", buf, 0);
3189 if (audio_channels) {
3190 snprintf(buf, sizeof(buf), "%d", audio_channels);
3191 av_dict_set(&format_opts, "channels", buf, 0);
3193 if (frame_rate.num) {
3194 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3195 av_dict_set(&format_opts, "framerate", buf, 0);
3197 if (frame_width && frame_height) {
3198 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3199 av_dict_set(&format_opts, "video_size", buf, 0);
3201 if (frame_pix_fmt != PIX_FMT_NONE)
3202 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3204 ic->flags |= AVFMT_FLAG_NONBLOCK;
3207 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3208 ic->loop_input = loop_input;
3211 /* open the input file with generic libav function */
3212 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3214 print_error(filename, err);
3217 assert_avoptions(format_opts);
3222 for(i=0; i<ic->nb_streams; i++){
3223 ic->streams[i]->discard= AVDISCARD_ALL;
3225 for(i=0; i<ic->nb_programs; i++){
3226 AVProgram *p= ic->programs[i];
3227 if(p->id != opt_programid){
3228 p->discard = AVDISCARD_ALL;
3231 for(j=0; j<p->nb_stream_indexes; j++){
3232 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3237 fprintf(stderr, "Specified program id not found\n");
3243 /* apply forced codec ids */
3244 for (i = 0; i < ic->nb_streams; i++)
3245 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3247 /* Set AVCodecContext options for avformat_find_stream_info */
3248 opts = setup_find_stream_info_opts(ic, codec_opts);
3249 orig_nb_streams = ic->nb_streams;
3251 /* If not enough info to get the stream parameters, we decode the
3252 first frames to get it. (used in mpeg case for example) */
3253 ret = avformat_find_stream_info(ic, opts);
3254 if (ret < 0 && verbose >= 0) {
3255 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3256 av_close_input_file(ic);
3260 timestamp = start_time;
3261 /* add the stream start time */
3262 if (ic->start_time != AV_NOPTS_VALUE)
3263 timestamp += ic->start_time;
3265 /* if seeking requested, we execute it */
3266 if (start_time != 0) {
3267 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3269 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3270 filename, (double)timestamp / AV_TIME_BASE);
3272 /* reset seek info */
3276 /* update the current parameters so that they match the one of the input stream */
3277 add_input_streams(ic);
3279 /* dump the file content */
3281 av_dump_format(ic, nb_input_files, filename, 0);
3283 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3284 input_files[nb_input_files - 1].ctx = ic;
3285 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3286 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3287 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3289 top_field_first = -1;
3290 frame_rate = (AVRational){0, 0};
3291 frame_pix_fmt = PIX_FMT_NONE;
3294 audio_sample_rate = 0;
3296 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3297 av_dict_free(&ts_scale);
3298 input_ts_offset = 0;
3300 for (i = 0; i < orig_nb_streams; i++)
3301 av_dict_free(&opts[i]);
3303 av_dict_free(&codec_names);
3309 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3310 AVCodecContext *avctx)
3316 for (p = kf; *p; p++)
3319 ost->forced_kf_count = n;
3320 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3321 if (!ost->forced_kf_pts) {
3322 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3325 for (i = 0; i < n; i++) {
3326 p = i ? strchr(p, ',') + 1 : kf;
3327 t = parse_time_or_die("force_key_frames", p, 1);
3328 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3332 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3335 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3336 int idx = oc->nb_streams - 1;
3339 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3343 output_streams = grow_array(output_streams, sizeof(*output_streams), &nb_output_streams,
3344 nb_output_streams + 1);
3345 ost = &output_streams[nb_output_streams - 1];
3346 ost->file_index = nb_output_files;
3349 st->codec->codec_type = type;
3350 ost->enc = choose_codec(oc, st, type, codec_names);
3352 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3355 avcodec_get_context_defaults3(st->codec, ost->enc);
3356 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3358 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3362 static OutputStream *new_video_stream(AVFormatContext *oc)
3366 AVCodecContext *video_enc;
3368 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3370 if (!st->stream_copy) {
3371 ost->frame_aspect_ratio = frame_aspect_ratio;
3372 frame_aspect_ratio = 0;
3374 ost->avfilter = vfilters;
3379 ost->bitstream_filters = video_bitstream_filters;
3380 video_bitstream_filters= NULL;
3382 st->codec->thread_count= thread_count;
3384 video_enc = st->codec;
3387 video_enc->codec_tag= video_codec_tag;
3389 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3390 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3393 if (st->stream_copy) {
3394 video_enc->sample_aspect_ratio =
3395 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3401 ost->frame_rate = frame_rate;
3403 video_enc->width = frame_width;
3404 video_enc->height = frame_height;
3405 video_enc->pix_fmt = frame_pix_fmt;
3406 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3407 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3410 video_enc->gop_size = 0;
3411 if (video_qscale || same_quant) {
3412 video_enc->flags |= CODEC_FLAG_QSCALE;
3413 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3417 video_enc->intra_matrix = intra_matrix;
3419 video_enc->inter_matrix = inter_matrix;
3421 p= video_rc_override_string;
3424 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3426 fprintf(stderr, "error parsing rc_override\n");
3429 video_enc->rc_override=
3430 av_realloc(video_enc->rc_override,
3431 sizeof(RcOverride)*(i+1));
3432 video_enc->rc_override[i].start_frame= start;
3433 video_enc->rc_override[i].end_frame = end;
3435 video_enc->rc_override[i].qscale= q;
3436 video_enc->rc_override[i].quality_factor= 1.0;
3439 video_enc->rc_override[i].qscale= 0;
3440 video_enc->rc_override[i].quality_factor= -q/100.0;
3445 video_enc->rc_override_count=i;
3446 if (!video_enc->rc_initial_buffer_occupancy)
3447 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3448 video_enc->me_threshold= me_threshold;
3449 video_enc->intra_dc_precision= intra_dc_precision - 8;
3452 video_enc->flags|= CODEC_FLAG_PSNR;
3457 video_enc->flags |= CODEC_FLAG_PASS1;
3459 video_enc->flags |= CODEC_FLAG_PASS2;
3463 if (forced_key_frames)
3464 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3466 if (video_language) {
3467 av_dict_set(&st->metadata, "language", video_language, 0);
3468 av_freep(&video_language);
3471 /* reset some key parameters */
3473 av_freep(&forced_key_frames);
3474 frame_pix_fmt = PIX_FMT_NONE;
3478 static OutputStream *new_audio_stream(AVFormatContext *oc)
3482 AVCodecContext *audio_enc;
3484 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3487 ost->bitstream_filters = audio_bitstream_filters;
3488 audio_bitstream_filters= NULL;
3490 st->codec->thread_count= thread_count;
3492 audio_enc = st->codec;
3493 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3496 audio_enc->codec_tag= audio_codec_tag;
3498 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3499 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3501 if (!st->stream_copy) {
3502 if (audio_qscale > QSCALE_NONE) {
3503 audio_enc->flags |= CODEC_FLAG_QSCALE;
3504 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3507 audio_enc->channels = audio_channels;
3508 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3509 audio_enc->sample_fmt = audio_sample_fmt;
3510 if (audio_sample_rate)
3511 audio_enc->sample_rate = audio_sample_rate;
3513 if (audio_language) {
3514 av_dict_set(&st->metadata, "language", audio_language, 0);
3515 av_freep(&audio_language);
3518 /* reset some key parameters */
3524 static OutputStream *new_data_stream(AVFormatContext *oc)
3528 AVCodecContext *data_enc;
3530 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3532 data_enc = st->codec;
3533 if (!st->stream_copy) {
3534 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3539 data_enc->codec_tag= data_codec_tag;
3541 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3542 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3549 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3553 AVCodecContext *subtitle_enc;
3555 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3557 subtitle_enc = st->codec;
3559 ost->bitstream_filters = subtitle_bitstream_filters;
3560 subtitle_bitstream_filters= NULL;
3562 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3564 if(subtitle_codec_tag)
3565 subtitle_enc->codec_tag= subtitle_codec_tag;
3567 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3568 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3571 if (subtitle_language) {
3572 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3573 av_freep(&subtitle_language);
3576 subtitle_disable = 0;
3580 /* arg format is "output-stream-index:streamid-value". */
3581 static int opt_streamid(const char *opt, const char *arg)
3587 av_strlcpy(idx_str, arg, sizeof(idx_str));
3588 p = strchr(idx_str, ':');
3591 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3596 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3597 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3598 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3601 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3604 AVFormatContext *ic = NULL;
3606 err = avformat_open_input(&ic, filename, NULL, NULL);
3609 /* copy stream format */
3610 for(i=0;i<ic->nb_streams;i++) {
3615 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3616 ost = new_output_stream(s, codec->type);
3619 // FIXME: a more elegant solution is needed
3620 memcpy(st, ic->streams[i], sizeof(AVStream));
3621 st->info = av_malloc(sizeof(*st->info));
3622 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3623 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3625 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3626 choose_sample_fmt(st, codec);
3627 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3628 choose_pixel_fmt(st, codec);
3631 av_close_input_file(ic);
3636 static int copy_chapters(int infile, int outfile)
3638 AVFormatContext *is = input_files[infile].ctx;
3639 AVFormatContext *os = output_files[outfile].ctx;
3642 for (i = 0; i < is->nb_chapters; i++) {
3643 AVChapter *in_ch = is->chapters[i], *out_ch;
3644 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3645 AV_TIME_BASE_Q, in_ch->time_base);
3646 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3647 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3650 if (in_ch->end < ts_off)
3652 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3655 out_ch = av_mallocz(sizeof(AVChapter));
3657 return AVERROR(ENOMEM);
3659 out_ch->id = in_ch->id;
3660 out_ch->time_base = in_ch->time_base;
3661 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3662 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3664 if (metadata_chapters_autocopy)
3665 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3668 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3670 return AVERROR(ENOMEM);
3671 os->chapters[os->nb_chapters - 1] = out_ch;
3676 static int opt_output_file(const char *opt, const char *filename)
3678 AVFormatContext *oc;
3680 AVOutputFormat *file_oformat;
3684 if (!strcmp(filename, "-"))
3687 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3688 last_asked_format = NULL;
3690 print_error(filename, err);
3693 file_oformat= oc->oformat;
3695 if (!strcmp(file_oformat->name, "ffm") &&
3696 av_strstart(filename, "http:", NULL)) {
3697 /* special case for files sent to ffserver: we get the stream
3698 parameters from ffserver */
3699 int err = read_ffserver_streams(oc, filename);
3701 print_error(filename, err);
3704 } else if (!nb_stream_maps) {
3705 /* pick the "best" stream of each type */
3706 #define NEW_STREAM(type, index)\
3708 ost = new_ ## type ## _stream(oc);\
3709 ost->source_index = index;\
3710 ost->sync_ist = &input_streams[index];\
3711 input_streams[index].discard = 0;\
3714 /* video: highest resolution */
3715 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3716 int area = 0, idx = -1;
3717 for (i = 0; i < nb_input_streams; i++) {
3718 ist = &input_streams[i];
3719 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3720 ist->st->codec->width * ist->st->codec->height > area) {
3721 area = ist->st->codec->width * ist->st->codec->height;
3725 NEW_STREAM(video, idx);
3728 /* audio: most channels */
3729 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3730 int channels = 0, idx = -1;
3731 for (i = 0; i < nb_input_streams; i++) {
3732 ist = &input_streams[i];
3733 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3734 ist->st->codec->channels > channels) {
3735 channels = ist->st->codec->channels;
3739 NEW_STREAM(audio, idx);
3742 /* subtitles: pick first */
3743 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3744 for (i = 0; i < nb_input_streams; i++)
3745 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3746 NEW_STREAM(subtitle, i);
3750 /* do something with data? */
3752 for (i = 0; i < nb_stream_maps; i++) {
3753 StreamMap *map = &stream_maps[i];
3758 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3759 switch (ist->st->codec->codec_type) {
3760 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3761 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3762 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3763 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3765 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3766 map->file_index, map->stream_index);
3770 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3771 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3772 map->sync_stream_index];
3777 av_dict_copy(&oc->metadata, metadata, 0);
3778 av_dict_free(&metadata);
3781 output_files = grow_array(output_files, sizeof(*output_files), &nb_output_files, nb_output_files + 1);
3782 output_files[nb_output_files - 1].ctx = oc;
3783 output_files[nb_output_files - 1].ost_index = nb_output_streams - oc->nb_streams;
3784 output_files[nb_output_files - 1].recording_time = recording_time;
3785 output_files[nb_output_files - 1].start_time = start_time;
3786 output_files[nb_output_files - 1].limit_filesize = limit_filesize;
3787 av_dict_copy(&output_files[nb_output_files - 1].opts, format_opts, 0);
3789 /* check filename in case of an image number is expected */
3790 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3791 if (!av_filename_number_test(oc->filename)) {
3792 print_error(oc->filename, AVERROR(EINVAL));
3797 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3798 /* test if it already exists to avoid loosing precious files */
3799 if (!file_overwrite &&
3800 (strchr(filename, ':') == NULL ||
3801 filename[1] == ':' ||
3802 av_strstart(filename, "file:", NULL))) {
3803 if (avio_check(filename, 0) == 0) {
3805 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3807 if (!read_yesno()) {
3808 fprintf(stderr, "Not overwriting - exiting\n");
3813 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3820 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3821 print_error(filename, err);
3826 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3827 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3829 if (loop_output >= 0) {
3830 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3831 oc->loop_output = loop_output;
3835 if (chapters_input_file >= nb_input_files) {
3836 if (chapters_input_file == INT_MAX) {
3837 /* copy chapters from the first input file that has them*/
3838 chapters_input_file = -1;
3839 for (i = 0; i < nb_input_files; i++)
3840 if (input_files[i].ctx->nb_chapters) {
3841 chapters_input_file = i;
3845 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3846 chapters_input_file);
3850 if (chapters_input_file >= 0)
3851 copy_chapters(chapters_input_file, nb_output_files - 1);
3854 for (i = 0; i < nb_meta_data_maps; i++) {
3855 AVFormatContext *files[2];
3856 AVDictionary **meta[2];
3859 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3860 if ((index) < 0 || (index) >= (nb_elems)) {\
3861 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3866 int in_file_index = meta_data_maps[i][1].file;
3867 if (in_file_index < 0)
3869 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3872 files[1] = input_files[in_file_index].ctx;
3874 for (j = 0; j < 2; j++) {
3875 MetadataMap *map = &meta_data_maps[i][j];
3877 switch (map->type) {
3879 meta[j] = &files[j]->metadata;
3882 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3883 meta[j] = &files[j]->streams[map->index]->metadata;
3886 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3887 meta[j] = &files[j]->chapters[map->index]->metadata;
3890 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3891 meta[j] = &files[j]->programs[map->index]->metadata;
3896 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3899 /* copy global metadata by default */
3900 if (metadata_global_autocopy && nb_input_files)
3901 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3902 AV_DICT_DONT_OVERWRITE);
3903 if (metadata_streams_autocopy)
3904 for (i = output_files[nb_output_files - 1].ost_index; i < nb_output_streams; i++) {
3905 InputStream *ist = &input_streams[output_streams[i].source_index];
3906 av_dict_copy(&output_streams[i].st->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3909 frame_rate = (AVRational){0, 0};
3912 audio_sample_rate = 0;
3914 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3915 chapters_input_file = INT_MAX;
3916 recording_time = INT64_MAX;
3918 limit_filesize = UINT64_MAX;
3920 av_freep(&meta_data_maps);
3921 nb_meta_data_maps = 0;
3922 metadata_global_autocopy = 1;
3923 metadata_streams_autocopy = 1;
3924 metadata_chapters_autocopy = 1;
3925 av_freep(&stream_maps);
3927 av_freep(&streamid_map);
3928 nb_streamid_map = 0;
3930 av_dict_free(&codec_names);
3932 av_freep(&forced_key_frames);
3938 /* same option as mencoder */
3939 static int opt_pass(const char *opt, const char *arg)
3941 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3945 static int64_t getutime(void)
3948 struct rusage rusage;
3950 getrusage(RUSAGE_SELF, &rusage);
3951 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3952 #elif HAVE_GETPROCESSTIMES
3954 FILETIME c, e, k, u;
3955 proc = GetCurrentProcess();
3956 GetProcessTimes(proc, &c, &e, &k, &u);
3957 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3959 return av_gettime();
3963 static int64_t getmaxrss(void)
3965 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3966 struct rusage rusage;
3967 getrusage(RUSAGE_SELF, &rusage);
3968 return (int64_t)rusage.ru_maxrss * 1024;
3969 #elif HAVE_GETPROCESSMEMORYINFO
3971 PROCESS_MEMORY_COUNTERS memcounters;
3972 proc = GetCurrentProcess();
3973 memcounters.cb = sizeof(memcounters);
3974 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3975 return memcounters.PeakPagefileUsage;
3981 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3984 const char *p = str;
3991 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3998 static int opt_inter_matrix(const char *opt, const char *arg)
4000 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
4001 parse_matrix_coeffs(inter_matrix, arg);
4005 static int opt_intra_matrix(const char *opt, const char *arg)
4007 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
4008 parse_matrix_coeffs(intra_matrix, arg);
4012 static void show_usage(void)
4014 printf("Hyper fast Audio and Video encoder\n");
4015 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
4019 static int opt_help(const char *opt, const char *arg)
4022 AVOutputFormat *oformat = NULL;
4023 AVInputFormat *iformat = NULL;
4024 const AVClass *class;
4026 av_log_set_callback(log_callback_help);
4028 show_help_options(options, "Main options:\n",
4029 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
4030 show_help_options(options, "\nAdvanced options:\n",
4031 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
4033 show_help_options(options, "\nVideo options:\n",
4034 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4036 show_help_options(options, "\nAdvanced Video options:\n",
4037 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4038 OPT_VIDEO | OPT_EXPERT);
4039 show_help_options(options, "\nAudio options:\n",
4040 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4042 show_help_options(options, "\nAdvanced Audio options:\n",
4043 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4044 OPT_AUDIO | OPT_EXPERT);
4045 show_help_options(options, "\nSubtitle options:\n",
4046 OPT_SUBTITLE | OPT_GRAB,
4048 show_help_options(options, "\nAudio/Video grab options:\n",
4052 class = avcodec_get_class();
4053 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4056 /* individual codec options */
4058 while ((c = av_codec_next(c))) {
4059 if (c->priv_class) {
4060 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4065 class = avformat_get_class();
4066 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4069 /* individual muxer options */
4070 while ((oformat = av_oformat_next(oformat))) {
4071 if (oformat->priv_class) {
4072 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4077 /* individual demuxer options */
4078 while ((iformat = av_iformat_next(iformat))) {
4079 if (iformat->priv_class) {
4080 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4085 class = sws_get_class();
4086 av_opt_show2(&class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4090 static int opt_target(const char *opt, const char *arg)
4092 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4093 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4095 if(!strncmp(arg, "pal-", 4)) {
4098 } else if(!strncmp(arg, "ntsc-", 5)) {
4101 } else if(!strncmp(arg, "film-", 5)) {
4106 /* Calculate FR via float to avoid int overflow */
4107 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4110 } else if((fr == 29970) || (fr == 23976)) {
4113 /* Try to determine PAL/NTSC by peeking in the input files */
4114 if(nb_input_files) {
4116 for (j = 0; j < nb_input_files; j++) {
4117 for (i = 0; i < input_files[j].nb_streams; i++) {
4118 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4119 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4121 fr = c->time_base.den * 1000 / c->time_base.num;
4125 } else if((fr == 29970) || (fr == 23976)) {
4135 if(verbose > 0 && norm != UNKNOWN)
4136 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4139 if(norm == UNKNOWN) {
4140 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4141 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4142 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4146 if(!strcmp(arg, "vcd")) {
4147 opt_codec("c:v", "mpeg1video");
4148 opt_codec("c:a", "mp2");
4149 opt_format("f", "vcd");
4151 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4152 opt_frame_rate("r", frame_rates[norm]);
4153 opt_default("g", norm == PAL ? "15" : "18");
4155 opt_default("b", "1150000");
4156 opt_default("maxrate", "1150000");
4157 opt_default("minrate", "1150000");
4158 opt_default("bufsize", "327680"); // 40*1024*8;
4160 opt_default("b:a", "224000");
4161 audio_sample_rate = 44100;
4164 opt_default("packetsize", "2324");
4165 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4167 /* We have to offset the PTS, so that it is consistent with the SCR.
4168 SCR starts at 36000, but the first two packs contain only padding
4169 and the first pack from the other stream, respectively, may also have
4170 been written before.
4171 So the real data starts at SCR 36000+3*1200. */
4172 mux_preload= (36000+3*1200) / 90000.0; //0.44
4173 } else if(!strcmp(arg, "svcd")) {
4175 opt_codec("c:v", "mpeg2video");
4176 opt_codec("c:a", "mp2");
4177 opt_format("f", "svcd");
4179 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4180 opt_frame_rate("r", frame_rates[norm]);
4181 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4182 opt_default("g", norm == PAL ? "15" : "18");
4184 opt_default("b", "2040000");
4185 opt_default("maxrate", "2516000");
4186 opt_default("minrate", "0"); //1145000;
4187 opt_default("bufsize", "1835008"); //224*1024*8;
4188 opt_default("flags", "+scan_offset");
4191 opt_default("b:a", "224000");
4192 audio_sample_rate = 44100;
4194 opt_default("packetsize", "2324");
4196 } else if(!strcmp(arg, "dvd")) {
4198 opt_codec("c:v", "mpeg2video");
4199 opt_codec("c:a", "ac3");
4200 opt_format("f", "dvd");
4202 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4203 opt_frame_rate("r", frame_rates[norm]);
4204 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4205 opt_default("g", norm == PAL ? "15" : "18");
4207 opt_default("b", "6000000");
4208 opt_default("maxrate", "9000000");
4209 opt_default("minrate", "0"); //1500000;
4210 opt_default("bufsize", "1835008"); //224*1024*8;
4212 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4213 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4215 opt_default("b:a", "448000");
4216 audio_sample_rate = 48000;
4218 } else if(!strncmp(arg, "dv", 2)) {
4220 opt_format("f", "dv");
4222 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4223 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4224 norm == PAL ? "yuv420p" : "yuv411p");
4225 opt_frame_rate("r", frame_rates[norm]);
4227 audio_sample_rate = 48000;
4231 fprintf(stderr, "Unknown target: %s\n", arg);
4232 return AVERROR(EINVAL);
4237 static int opt_vstats_file(const char *opt, const char *arg)
4239 av_free (vstats_filename);
4240 vstats_filename=av_strdup (arg);
4244 static int opt_vstats(const char *opt, const char *arg)
4247 time_t today2 = time(NULL);
4248 struct tm *today = localtime(&today2);
4250 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4252 return opt_vstats_file(opt, filename);
4255 static int opt_bsf(const char *opt, const char *arg)
4257 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4258 AVBitStreamFilterContext **bsfp;
4261 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4265 bsfp= *opt == 'v' ? &video_bitstream_filters :
4266 *opt == 'a' ? &audio_bitstream_filters :
4267 &subtitle_bitstream_filters;
4269 bsfp= &(*bsfp)->next;
4276 static int opt_preset(const char *opt, const char *arg)
4279 char filename[1000], tmp[1000], tmp2[1000], line[1000];
4280 char *codec_name = *opt == 'v' ? video_codec_name :
4281 *opt == 'a' ? audio_codec_name :
4282 subtitle_codec_name;
4284 if (!(f = get_preset_file(filename, sizeof(filename), arg, *opt == 'f', codec_name))) {
4285 fprintf(stderr, "File for preset '%s' not found\n", arg);
4290 int e= fscanf(f, "%999[^\n]\n", line) - 1;
4291 if(line[0] == '#' && !e)
4293 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
4295 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
4298 if(!strcmp(tmp, "acodec")){
4299 opt_audio_codec(tmp, tmp2);
4300 }else if(!strcmp(tmp, "vcodec")){
4301 opt_video_codec(tmp, tmp2);
4302 }else if(!strcmp(tmp, "scodec")){
4303 opt_subtitle_codec(tmp, tmp2);
4304 }else if(!strcmp(tmp, "dcodec")){
4305 opt_data_codec(tmp, tmp2);
4306 }else if(opt_default(tmp, tmp2) < 0){
4307 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
4317 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4321 static int opt_passlogfile(const char *opt, const char *arg)
4323 pass_logfilename_prefix = arg;
4324 #if CONFIG_LIBX264_ENCODER
4325 return opt_default("passlogfile", arg);
4331 static const OptionDef options[] = {
4333 #include "cmdutils_common_opts.h"
4334 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4335 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4336 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4337 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4338 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4339 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4340 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4341 "outfile[,metadata]:infile[,metadata]" },
4342 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4343 "outfile[,metadata]:infile[,metadata]" },
4344 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4345 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4346 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4347 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4348 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4349 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "scale" },
4350 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4351 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4352 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4353 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4354 "add timings for benchmarking" },
4355 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4356 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4357 "dump each input packet" },
4358 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4359 "when dumping packets, also dump the payload" },
4360 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4361 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4362 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4363 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4364 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4365 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4366 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4367 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4368 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4369 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4370 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4371 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4372 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4373 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4374 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4375 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4378 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4379 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4380 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4381 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4382 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format, 'list' as argument shows all the pixel formats supported", "format" },
4383 { "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" },
4384 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4385 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4386 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4387 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4388 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4389 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4390 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4391 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4392 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4393 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4394 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4395 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4396 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4397 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4398 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4399 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimation threshold", "threshold" },
4400 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4401 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4402 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4403 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4404 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4405 "deinterlace pictures" },
4406 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4407 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4408 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4410 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4412 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4413 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4414 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4415 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4416 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4417 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4418 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4419 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4420 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4421 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4424 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4425 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4426 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4427 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4428 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4429 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4430 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4431 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4432 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4433 { "sample_fmt", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_sample_fmt}, "set sample format, 'list' as argument shows all the sample formats supported", "format" },
4435 /* subtitle options */
4436 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4437 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4438 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4439 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4442 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4443 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4444 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4447 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4448 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4450 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4451 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4452 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4454 { "apre", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
4455 { "vpre", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
4456 { "spre", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
4457 { "fpre", HAS_ARG | OPT_EXPERT, {(void*)opt_preset}, "set options from indicated preset file", "filename" },
4458 /* data codec support */
4459 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4461 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4465 int main(int argc, char **argv)
4469 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4471 if(argc>1 && !strcmp(argv[1], "-d")){
4474 av_log_set_callback(log_callback_null);
4479 avcodec_register_all();
4481 avdevice_register_all();
4484 avfilter_register_all();
4489 if(isatty(STDIN_FILENO))
4490 avio_set_interrupt_cb(decode_interrupt_cb);
4499 parse_options(argc, argv, options, opt_output_file);
4501 if(nb_output_files <= 0 && nb_input_files == 0) {
4503 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4507 /* file converter / grab */
4508 if (nb_output_files <= 0) {
4509 fprintf(stderr, "At least one output file must be specified\n");
4513 if (nb_input_files == 0) {
4514 fprintf(stderr, "At least one input file must be specified\n");
4519 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4521 ti = getutime() - ti;
4523 int maxrss = getmaxrss() / 1024;
4524 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4527 return exit_program(0);