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_FILES 100
113 #define MAX_STREAMS 1024 /* arbitrary sanity check value */
114 static const char *last_asked_format = NULL;
115 static double *ts_scale;
116 static int nb_ts_scale;
118 static AVFormatContext *output_files[MAX_FILES];
119 static AVDictionary *output_opts[MAX_FILES];
120 static int nb_output_files = 0;
122 static StreamMap *stream_maps = NULL;
123 static int nb_stream_maps;
125 static AVDictionary *codec_names;
127 /* first item specifies output metadata, second is input */
128 static MetadataMap (*meta_data_maps)[2] = NULL;
129 static int nb_meta_data_maps;
130 static int metadata_global_autocopy = 1;
131 static int metadata_streams_autocopy = 1;
132 static int metadata_chapters_autocopy = 1;
134 static int chapters_input_file = INT_MAX;
136 /* indexed by output file stream index */
137 static int *streamid_map = NULL;
138 static int nb_streamid_map = 0;
140 static int frame_width = 0;
141 static int frame_height = 0;
142 static float frame_aspect_ratio = 0;
143 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
144 static int frame_bits_per_raw_sample = 0;
145 static enum AVSampleFormat audio_sample_fmt = AV_SAMPLE_FMT_NONE;
146 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
147 static AVRational frame_rate;
148 static float video_qscale = 0;
149 static uint16_t *intra_matrix = NULL;
150 static uint16_t *inter_matrix = NULL;
151 static const char *video_rc_override_string=NULL;
152 static int video_disable = 0;
153 static int video_discard = 0;
154 static unsigned int video_codec_tag = 0;
155 static char *video_language = NULL;
156 static int same_quant = 0;
157 static int do_deinterlace = 0;
158 static int top_field_first = -1;
159 static int me_threshold = 0;
160 static int intra_dc_precision = 8;
161 static int loop_input = 0;
162 static int loop_output = AVFMT_NOOUTPUTLOOP;
163 static int qp_hist = 0;
165 static char *vfilters = NULL;
168 static int intra_only = 0;
169 static int audio_sample_rate = 0;
170 #define QSCALE_NONE -99999
171 static float audio_qscale = QSCALE_NONE;
172 static int audio_disable = 0;
173 static int audio_channels = 0;
174 static unsigned int audio_codec_tag = 0;
175 static char *audio_language = NULL;
177 static int subtitle_disable = 0;
178 static char *subtitle_language = NULL;
179 static unsigned int subtitle_codec_tag = 0;
181 static int data_disable = 0;
182 static unsigned int data_codec_tag = 0;
184 static float mux_preload= 0.5;
185 static float mux_max_delay= 0.7;
187 static int64_t recording_time = INT64_MAX;
188 static int64_t start_time = 0;
189 static int64_t input_ts_offset = 0;
190 static int file_overwrite = 0;
191 static AVDictionary *metadata;
192 static int do_benchmark = 0;
193 static int do_hex_dump = 0;
194 static int do_pkt_dump = 0;
195 static int do_psnr = 0;
196 static int do_pass = 0;
197 static const char *pass_logfilename_prefix;
198 static int video_sync_method= -1;
199 static int audio_sync_method= 0;
200 static float audio_drift_threshold= 0.1;
201 static int copy_ts= 0;
202 static int copy_tb= 0;
203 static int opt_shortest = 0;
204 static char *vstats_filename;
205 static FILE *vstats_file;
206 static int opt_programid = 0;
207 static int copy_initial_nonkeyframes = 0;
209 static int rate_emu = 0;
211 static int audio_volume = 256;
213 static int exit_on_error = 0;
214 static int using_stdin = 0;
215 static int verbose = 1;
216 static int run_as_daemon = 0;
217 static int thread_count= 1;
218 static int q_pressed = 0;
219 static int64_t video_size = 0;
220 static int64_t audio_size = 0;
221 static int64_t extra_size = 0;
222 static int nb_frames_dup = 0;
223 static int nb_frames_drop = 0;
224 static int input_sync;
225 static uint64_t limit_filesize = 0;
226 static int force_fps = 0;
227 static char *forced_key_frames = NULL;
229 static float dts_delta_threshold = 10;
231 static int64_t timer_start;
233 static uint8_t *audio_buf;
234 static uint8_t *audio_out;
235 static unsigned int allocated_audio_out_size, allocated_audio_buf_size;
237 static short *samples;
239 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
240 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
241 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
243 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
247 typedef struct OutputStream {
248 int file_index; /* file index */
249 int index; /* stream index in the output file */
250 int source_index; /* InputStream index */
251 AVStream *st; /* stream in the output file */
252 int encoding_needed; /* true if encoding needed for this stream */
254 /* input pts and corresponding output pts
256 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
257 struct InputStream *sync_ist; /* input stream to sync against */
258 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
259 AVBitStreamFilterContext *bitstream_filters;
264 AVFrame resample_frame; /* temporary frame for image resampling */
265 struct SwsContext *img_resample_ctx; /* for image resampling */
268 int resample_pix_fmt;
269 AVRational frame_rate;
271 float frame_aspect_ratio;
273 /* forced key frames */
274 int64_t *forced_kf_pts;
280 ReSampleContext *resample; /* for audio resampling */
281 int resample_sample_fmt;
282 int resample_channels;
283 int resample_sample_rate;
285 AVAudioConvert *reformat_ctx;
286 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
290 AVFilterContext *output_video_filter;
291 AVFilterContext *input_video_filter;
292 AVFilterBufferRef *picref;
294 AVFilterGraph *graph;
301 static OutputStream **output_streams_for_file[MAX_FILES] = { NULL };
302 static int nb_output_streams_for_file[MAX_FILES] = { 0 };
304 typedef struct InputStream {
307 int discard; /* true if stream data should be discarded */
308 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
311 int64_t start; /* time when read started */
312 int64_t next_pts; /* synthetic pts for cases where pkt.pts
314 int64_t pts; /* current pts */
316 int is_start; /* is 1 at the start and after a discontinuity */
317 int showed_multi_packet_warning;
318 int is_past_recording_time;
322 typedef struct InputFile {
323 AVFormatContext *ctx;
324 int eof_reached; /* true if eof reached */
325 int ist_index; /* index of first stream in ist_table */
326 int buffer_size; /* current total buffer size */
333 /* init terminal so that we can grab keys */
334 static struct termios oldtty;
337 static InputStream *input_streams = NULL;
338 static int nb_input_streams = 0;
339 static InputFile *input_files = NULL;
340 static int nb_input_files = 0;
344 static int configure_video_filters(InputStream *ist, OutputStream *ost)
346 AVFilterContext *last_filter, *filter;
347 /** filter graph containing all filters including input & output */
348 AVCodecContext *codec = ost->st->codec;
349 AVCodecContext *icodec = ist->st->codec;
350 enum PixelFormat pix_fmts[] = { codec->pix_fmt, PIX_FMT_NONE };
351 AVRational sample_aspect_ratio;
355 ost->graph = avfilter_graph_alloc();
357 if (ist->st->sample_aspect_ratio.num){
358 sample_aspect_ratio = ist->st->sample_aspect_ratio;
360 sample_aspect_ratio = ist->st->codec->sample_aspect_ratio;
362 snprintf(args, 255, "%d:%d:%d:%d:%d:%d:%d", ist->st->codec->width,
363 ist->st->codec->height, ist->st->codec->pix_fmt, 1, AV_TIME_BASE,
364 sample_aspect_ratio.num, sample_aspect_ratio.den);
366 ret = avfilter_graph_create_filter(&ost->input_video_filter, avfilter_get_by_name("buffer"),
367 "src", args, NULL, ost->graph);
370 ret = avfilter_graph_create_filter(&ost->output_video_filter, avfilter_get_by_name("buffersink"),
371 "out", NULL, pix_fmts, ost->graph);
374 last_filter = ost->input_video_filter;
376 if (codec->width != icodec->width || codec->height != icodec->height) {
377 snprintf(args, 255, "%d:%d:flags=0x%X",
381 if ((ret = avfilter_graph_create_filter(&filter, avfilter_get_by_name("scale"),
382 NULL, args, NULL, ost->graph)) < 0)
384 if ((ret = avfilter_link(last_filter, 0, filter, 0)) < 0)
386 last_filter = filter;
389 snprintf(args, sizeof(args), "flags=0x%X", ost->sws_flags);
390 ost->graph->scale_sws_opts = av_strdup(args);
393 AVFilterInOut *outputs = avfilter_inout_alloc();
394 AVFilterInOut *inputs = avfilter_inout_alloc();
396 outputs->name = av_strdup("in");
397 outputs->filter_ctx = last_filter;
398 outputs->pad_idx = 0;
399 outputs->next = NULL;
401 inputs->name = av_strdup("out");
402 inputs->filter_ctx = ost->output_video_filter;
406 if ((ret = avfilter_graph_parse(ost->graph, ost->avfilter, &inputs, &outputs, NULL)) < 0)
408 av_freep(&ost->avfilter);
410 if ((ret = avfilter_link(last_filter, 0, ost->output_video_filter, 0)) < 0)
414 if ((ret = avfilter_graph_config(ost->graph, NULL)) < 0)
417 codec->width = ost->output_video_filter->inputs[0]->w;
418 codec->height = ost->output_video_filter->inputs[0]->h;
419 codec->sample_aspect_ratio = ost->st->sample_aspect_ratio =
420 ost->frame_aspect_ratio ? // overriden by the -aspect cli option
421 av_d2q(ost->frame_aspect_ratio*codec->height/codec->width, 255) :
422 ost->output_video_filter->inputs[0]->sample_aspect_ratio;
426 #endif /* CONFIG_AVFILTER */
428 static void term_exit(void)
430 av_log(NULL, AV_LOG_QUIET, "%s", "");
433 tcsetattr (0, TCSANOW, &oldtty);
437 static volatile int received_sigterm = 0;
440 sigterm_handler(int sig)
442 received_sigterm = sig;
447 static void term_init(void)
457 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
458 |INLCR|IGNCR|ICRNL|IXON);
459 tty.c_oflag |= OPOST;
460 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
461 tty.c_cflag &= ~(CSIZE|PARENB);
466 tcsetattr (0, TCSANOW, &tty);
467 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
471 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
472 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
474 signal(SIGXCPU, sigterm_handler);
478 /* read a key without blocking */
479 static int read_key(void)
494 n = select(1, &rfds, NULL, NULL, &tv);
509 static int decode_interrupt_cb(void)
511 q_pressed += read_key() == 'q';
512 return q_pressed > 1;
515 static int exit_program(int ret)
520 for(i=0;i<nb_output_files;i++) {
521 AVFormatContext *s = output_files[i];
522 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
524 avformat_free_context(s);
525 av_free(output_streams_for_file[i]);
526 av_dict_free(&output_opts[i]);
528 for(i=0;i<nb_input_files;i++) {
529 av_close_input_file(input_files[i].ctx);
531 for (i = 0; i < nb_input_streams; i++)
532 av_dict_free(&input_streams[i].opts);
534 av_free(intra_matrix);
535 av_free(inter_matrix);
539 av_free(vstats_filename);
541 av_free(streamid_map);
542 av_free(meta_data_maps);
544 av_freep(&input_streams);
545 av_freep(&input_files);
550 allocated_audio_buf_size= allocated_audio_out_size= 0;
557 if (received_sigterm) {
559 "Received signal %d: terminating.\n",
560 (int) received_sigterm);
564 exit(ret); /* not all OS-es handle main() return value */
568 static void assert_avoptions(AVDictionary *m)
570 AVDictionaryEntry *t;
571 if ((t = av_dict_get(m, "", NULL, AV_DICT_IGNORE_SUFFIX))) {
572 av_log(NULL, AV_LOG_ERROR, "Option %s not found.\n", t->key);
577 static void assert_codec_experimental(AVCodecContext *c, int encoder)
579 const char *codec_string = encoder ? "encoder" : "decoder";
581 if (c->codec->capabilities & CODEC_CAP_EXPERIMENTAL &&
582 c->strict_std_compliance > FF_COMPLIANCE_EXPERIMENTAL) {
583 av_log(NULL, AV_LOG_ERROR, "%s '%s' is experimental and might produce bad "
584 "results.\nAdd '-strict experimental' if you want to use it.\n",
585 codec_string, c->codec->name);
586 codec = encoder ? avcodec_find_encoder(c->codec->id) : avcodec_find_decoder(c->codec->id);
587 if (!(codec->capabilities & CODEC_CAP_EXPERIMENTAL))
588 av_log(NULL, AV_LOG_ERROR, "Or use the non experimental %s '%s'.\n",
589 codec_string, codec->name);
594 /* similar to ff_dynarray_add() and av_fast_realloc() */
595 static void *grow_array(void *array, int elem_size, int *size, int new_size)
597 if (new_size >= INT_MAX / elem_size) {
598 fprintf(stderr, "Array too big.\n");
601 if (*size < new_size) {
602 uint8_t *tmp = av_realloc(array, new_size*elem_size);
604 fprintf(stderr, "Could not alloc buffer.\n");
607 memset(tmp + *size*elem_size, 0, (new_size-*size) * elem_size);
614 static void choose_sample_fmt(AVStream *st, AVCodec *codec)
616 if(codec && codec->sample_fmts){
617 const enum AVSampleFormat *p= codec->sample_fmts;
619 if(*p == st->codec->sample_fmt)
623 if((codec->capabilities & CODEC_CAP_LOSSLESS) && av_get_sample_fmt_name(st->codec->sample_fmt) > av_get_sample_fmt_name(codec->sample_fmts[0]))
624 av_log(NULL, AV_LOG_ERROR, "Convertion will not be lossless'\n");
625 if(av_get_sample_fmt_name(st->codec->sample_fmt))
626 av_log(NULL, AV_LOG_WARNING,
627 "Incompatible sample format '%s' for codec '%s', auto-selecting format '%s'\n",
628 av_get_sample_fmt_name(st->codec->sample_fmt),
630 av_get_sample_fmt_name(codec->sample_fmts[0]));
631 st->codec->sample_fmt = codec->sample_fmts[0];
636 static void choose_sample_rate(AVStream *st, AVCodec *codec)
638 if(codec && codec->supported_samplerates){
639 const int *p= codec->supported_samplerates;
641 int best_dist=INT_MAX;
643 int dist= abs(st->codec->sample_rate - *p);
644 if(dist < best_dist){
650 av_log(st->codec, AV_LOG_WARNING, "Requested sampling rate unsupported using closest supported (%d)\n", best);
652 st->codec->sample_rate= best;
656 static void choose_pixel_fmt(AVStream *st, AVCodec *codec)
658 if(codec && codec->pix_fmts){
659 const enum PixelFormat *p= codec->pix_fmts;
660 if(st->codec->strict_std_compliance <= FF_COMPLIANCE_UNOFFICIAL){
661 if(st->codec->codec_id==CODEC_ID_MJPEG){
662 p= (const enum PixelFormat[]){PIX_FMT_YUVJ420P, PIX_FMT_YUVJ422P, PIX_FMT_YUV420P, PIX_FMT_YUV422P, PIX_FMT_NONE};
663 }else if(st->codec->codec_id==CODEC_ID_LJPEG){
664 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};
668 if(*p == st->codec->pix_fmt)
672 if(st->codec->pix_fmt != PIX_FMT_NONE)
673 av_log(NULL, AV_LOG_WARNING,
674 "Incompatible pixel format '%s' for codec '%s', auto-selecting format '%s'\n",
675 av_pix_fmt_descriptors[st->codec->pix_fmt].name,
677 av_pix_fmt_descriptors[codec->pix_fmts[0]].name);
678 st->codec->pix_fmt = codec->pix_fmts[0];
684 get_sync_ipts(const OutputStream *ost)
686 const InputStream *ist = ost->sync_ist;
687 return (double)(ist->pts - start_time)/AV_TIME_BASE;
690 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
694 AVPacket new_pkt= *pkt;
695 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
696 &new_pkt.data, &new_pkt.size,
697 pkt->data, pkt->size,
698 pkt->flags & AV_PKT_FLAG_KEY);
701 new_pkt.destruct= av_destruct_packet;
703 fprintf(stderr, "%s failed for stream %d, codec %s",
704 bsfc->filter->name, pkt->stream_index,
705 avctx->codec ? avctx->codec->name : "copy");
715 ret= av_interleaved_write_frame(s, pkt);
717 print_error("av_interleaved_write_frame()", ret);
722 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
724 static void do_audio_out(AVFormatContext *s,
727 unsigned char *buf, int size)
730 int64_t audio_out_size, audio_buf_size;
731 int64_t allocated_for_size= size;
733 int size_out, frame_bytes, ret, resample_changed;
734 AVCodecContext *enc= ost->st->codec;
735 AVCodecContext *dec= ist->st->codec;
736 int osize = av_get_bytes_per_sample(enc->sample_fmt);
737 int isize = av_get_bytes_per_sample(dec->sample_fmt);
738 const int coded_bps = av_get_bits_per_sample(enc->codec->id);
741 audio_buf_size= (allocated_for_size + isize*dec->channels - 1) / (isize*dec->channels);
742 audio_buf_size= (audio_buf_size*enc->sample_rate + dec->sample_rate) / dec->sample_rate;
743 audio_buf_size= audio_buf_size*2 + 10000; //safety factors for the deprecated resampling API
744 audio_buf_size= FFMAX(audio_buf_size, enc->frame_size);
745 audio_buf_size*= osize*enc->channels;
747 audio_out_size= FFMAX(audio_buf_size, enc->frame_size * osize * enc->channels);
748 if(coded_bps > 8*osize)
749 audio_out_size= audio_out_size * coded_bps / (8*osize);
750 audio_out_size += FF_MIN_BUFFER_SIZE;
752 if(audio_out_size > INT_MAX || audio_buf_size > INT_MAX){
753 fprintf(stderr, "Buffer sizes too large\n");
757 av_fast_malloc(&audio_buf, &allocated_audio_buf_size, audio_buf_size);
758 av_fast_malloc(&audio_out, &allocated_audio_out_size, audio_out_size);
759 if (!audio_buf || !audio_out){
760 fprintf(stderr, "Out of memory in do_audio_out\n");
764 if (enc->channels != dec->channels)
765 ost->audio_resample = 1;
767 resample_changed = ost->resample_sample_fmt != dec->sample_fmt ||
768 ost->resample_channels != dec->channels ||
769 ost->resample_sample_rate != dec->sample_rate;
771 if ((ost->audio_resample && !ost->resample) || resample_changed) {
772 if (resample_changed) {
773 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",
774 ist->file_index, ist->st->index,
775 ost->resample_sample_rate, av_get_sample_fmt_name(ost->resample_sample_fmt), ost->resample_channels,
776 dec->sample_rate, av_get_sample_fmt_name(dec->sample_fmt), dec->channels);
777 ost->resample_sample_fmt = dec->sample_fmt;
778 ost->resample_channels = dec->channels;
779 ost->resample_sample_rate = dec->sample_rate;
781 audio_resample_close(ost->resample);
783 /* if audio_sync_method is >1 the resampler is needed for audio drift compensation */
784 if (audio_sync_method <= 1 &&
785 ost->resample_sample_fmt == enc->sample_fmt &&
786 ost->resample_channels == enc->channels &&
787 ost->resample_sample_rate == enc->sample_rate) {
788 ost->resample = NULL;
789 ost->audio_resample = 0;
791 if (dec->sample_fmt != AV_SAMPLE_FMT_S16)
792 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
793 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
794 enc->sample_rate, dec->sample_rate,
795 enc->sample_fmt, dec->sample_fmt,
797 if (!ost->resample) {
798 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
799 dec->channels, dec->sample_rate,
800 enc->channels, enc->sample_rate);
806 #define MAKE_SFMT_PAIR(a,b) ((a)+AV_SAMPLE_FMT_NB*(b))
807 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
808 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
809 if (ost->reformat_ctx)
810 av_audio_convert_free(ost->reformat_ctx);
811 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
812 dec->sample_fmt, 1, NULL, 0);
813 if (!ost->reformat_ctx) {
814 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
815 av_get_sample_fmt_name(dec->sample_fmt),
816 av_get_sample_fmt_name(enc->sample_fmt));
819 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
822 if(audio_sync_method){
823 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
824 - av_fifo_size(ost->fifo)/(enc->channels * 2);
825 double idelta= delta*dec->sample_rate / enc->sample_rate;
826 int byte_delta= ((int)idelta)*2*dec->channels;
828 //FIXME resample delay
829 if(fabs(delta) > 50){
830 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
832 byte_delta= FFMAX(byte_delta, -size);
836 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
841 static uint8_t *input_tmp= NULL;
842 input_tmp= av_realloc(input_tmp, byte_delta + size);
844 if(byte_delta > allocated_for_size - size){
845 allocated_for_size= byte_delta + (int64_t)size;
850 memset(input_tmp, 0, byte_delta);
851 memcpy(input_tmp + byte_delta, buf, size);
855 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
857 }else if(audio_sync_method>1){
858 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
859 av_assert0(ost->audio_resample);
861 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
862 // 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));
863 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
867 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
868 - av_fifo_size(ost->fifo)/(enc->channels * 2); //FIXME wrong
870 if (ost->audio_resample) {
872 size_out = audio_resample(ost->resample,
873 (short *)buftmp, (short *)buf,
874 size / (dec->channels * isize));
875 size_out = size_out * enc->channels * osize;
881 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
882 const void *ibuf[6]= {buftmp};
883 void *obuf[6]= {audio_buf};
884 int istride[6]= {isize};
885 int ostride[6]= {osize};
886 int len= size_out/istride[0];
887 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
888 printf("av_audio_convert() failed\n");
894 size_out = len*osize;
897 /* now encode as many frames as possible */
898 if (enc->frame_size > 1) {
899 /* output resampled raw samples */
900 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
901 fprintf(stderr, "av_fifo_realloc2() failed\n");
904 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
906 frame_bytes = enc->frame_size * osize * enc->channels;
908 while (av_fifo_size(ost->fifo) >= frame_bytes) {
910 av_init_packet(&pkt);
912 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
914 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
916 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
919 fprintf(stderr, "Audio encoding failed\n");
923 pkt.stream_index= ost->index;
926 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
927 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
928 pkt.flags |= AV_PKT_FLAG_KEY;
929 write_frame(s, &pkt, enc, ost->bitstream_filters);
931 ost->sync_opts += enc->frame_size;
935 av_init_packet(&pkt);
937 ost->sync_opts += size_out / (osize * enc->channels);
939 /* output a pcm frame */
940 /* determine the size of the coded buffer */
943 size_out = size_out*coded_bps/8;
945 if(size_out > audio_out_size){
946 fprintf(stderr, "Internal error, buffer size too small\n");
950 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
951 ret = avcodec_encode_audio(enc, audio_out, size_out,
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);
968 static void pre_process_video_frame(InputStream *ist, AVPicture *picture, void **bufp)
972 AVPicture picture_tmp;
975 dec = ist->st->codec;
977 /* deinterlace : must be done before any resize */
978 if (do_deinterlace) {
981 /* create temporary picture */
982 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
983 buf = av_malloc(size);
987 picture2 = &picture_tmp;
988 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
990 if(avpicture_deinterlace(picture2, picture,
991 dec->pix_fmt, dec->width, dec->height) < 0) {
992 /* if error, do not deinterlace */
993 fprintf(stderr, "Deinterlacing failed\n");
1002 if (picture != picture2)
1003 *picture = *picture2;
1007 /* we begin to correct av delay at this threshold */
1008 #define AV_DELAY_MAX 0.100
1010 static void do_subtitle_out(AVFormatContext *s,
1016 static uint8_t *subtitle_out = NULL;
1017 int subtitle_out_max_size = 1024 * 1024;
1018 int subtitle_out_size, nb, i;
1019 AVCodecContext *enc;
1022 if (pts == AV_NOPTS_VALUE) {
1023 fprintf(stderr, "Subtitle packets must have a pts\n");
1029 enc = ost->st->codec;
1031 if (!subtitle_out) {
1032 subtitle_out = av_malloc(subtitle_out_max_size);
1035 /* Note: DVB subtitle need one packet to draw them and one other
1036 packet to clear them */
1037 /* XXX: signal it in the codec context ? */
1038 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
1043 for(i = 0; i < nb; i++) {
1044 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
1045 // start_display_time is required to be 0
1046 sub->pts += av_rescale_q(sub->start_display_time, (AVRational){1, 1000}, AV_TIME_BASE_Q);
1047 sub->end_display_time -= sub->start_display_time;
1048 sub->start_display_time = 0;
1049 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
1050 subtitle_out_max_size, sub);
1051 if (subtitle_out_size < 0) {
1052 fprintf(stderr, "Subtitle encoding failed\n");
1056 av_init_packet(&pkt);
1057 pkt.stream_index = ost->index;
1058 pkt.data = subtitle_out;
1059 pkt.size = subtitle_out_size;
1060 pkt.pts = av_rescale_q(sub->pts, AV_TIME_BASE_Q, ost->st->time_base);
1061 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
1062 /* XXX: the pts correction is handled here. Maybe handling
1063 it in the codec would be better */
1065 pkt.pts += 90 * sub->start_display_time;
1067 pkt.pts += 90 * sub->end_display_time;
1069 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1073 static int bit_buffer_size= 1024*256;
1074 static uint8_t *bit_buffer= NULL;
1076 static void do_video_out(AVFormatContext *s,
1079 AVFrame *in_picture,
1080 int *frame_size, float quality)
1082 int nb_frames, i, ret, av_unused resample_changed;
1083 AVFrame *final_picture, *formatted_picture;
1084 AVCodecContext *enc, *dec;
1087 enc = ost->st->codec;
1088 dec = ist->st->codec;
1090 sync_ipts = get_sync_ipts(ost) / av_q2d(enc->time_base);
1092 /* by default, we output a single frame */
1097 if(video_sync_method){
1098 double vdelta = sync_ipts - ost->sync_opts;
1099 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
1102 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
1105 }else if(vdelta>0.6)
1106 ost->sync_opts= lrintf(sync_ipts);
1107 }else if (vdelta > 1.1)
1108 nb_frames = lrintf(vdelta);
1109 //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);
1110 if (nb_frames == 0){
1113 fprintf(stderr, "*** drop!\n");
1114 }else if (nb_frames > 1) {
1115 nb_frames_dup += nb_frames - 1;
1117 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
1120 ost->sync_opts= lrintf(sync_ipts);
1122 nb_frames= FFMIN(nb_frames, max_frames[AVMEDIA_TYPE_VIDEO] - ost->frame_number);
1126 formatted_picture = in_picture;
1127 final_picture = formatted_picture;
1129 #if !CONFIG_AVFILTER
1130 resample_changed = ost->resample_width != dec->width ||
1131 ost->resample_height != dec->height ||
1132 ost->resample_pix_fmt != dec->pix_fmt;
1134 if (resample_changed) {
1135 av_log(NULL, AV_LOG_INFO,
1136 "Input stream #%d.%d frame changed from size:%dx%d fmt:%s to size:%dx%d fmt:%s\n",
1137 ist->file_index, ist->st->index,
1138 ost->resample_width, ost->resample_height, av_get_pix_fmt_name(ost->resample_pix_fmt),
1139 dec->width , dec->height , av_get_pix_fmt_name(dec->pix_fmt));
1140 ost->resample_width = dec->width;
1141 ost->resample_height = dec->height;
1142 ost->resample_pix_fmt = dec->pix_fmt;
1145 ost->video_resample = dec->width != enc->width ||
1146 dec->height != enc->height ||
1147 dec->pix_fmt != enc->pix_fmt;
1149 if (ost->video_resample) {
1150 final_picture = &ost->resample_frame;
1151 if (!ost->img_resample_ctx || resample_changed) {
1152 /* initialize the destination picture */
1153 if (!ost->resample_frame.data[0]) {
1154 avcodec_get_frame_defaults(&ost->resample_frame);
1155 if (avpicture_alloc((AVPicture *)&ost->resample_frame, enc->pix_fmt,
1156 enc->width, enc->height)) {
1157 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1161 /* initialize a new scaler context */
1162 sws_freeContext(ost->img_resample_ctx);
1163 ost->img_resample_ctx = sws_getContext(dec->width, dec->height, dec->pix_fmt,
1164 enc->width, enc->height, enc->pix_fmt,
1165 ost->sws_flags, NULL, NULL, NULL);
1166 if (ost->img_resample_ctx == NULL) {
1167 fprintf(stderr, "Cannot get resampling context\n");
1171 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
1172 0, ost->resample_height, final_picture->data, final_picture->linesize);
1176 /* duplicates frame if needed */
1177 for(i=0;i<nb_frames;i++) {
1179 av_init_packet(&pkt);
1180 pkt.stream_index= ost->index;
1182 if (s->oformat->flags & AVFMT_RAWPICTURE) {
1183 /* raw pictures are written as AVPicture structure to
1184 avoid any copies. We support temorarily the older
1186 AVFrame* old_frame = enc->coded_frame;
1187 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1188 pkt.data= (uint8_t *)final_picture;
1189 pkt.size= sizeof(AVPicture);
1190 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1191 pkt.flags |= AV_PKT_FLAG_KEY;
1193 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1194 enc->coded_frame = old_frame;
1196 AVFrame big_picture;
1198 big_picture= *final_picture;
1199 /* better than nothing: use input picture interlaced
1201 big_picture.interlaced_frame = in_picture->interlaced_frame;
1202 if (ost->st->codec->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)) {
1203 if(top_field_first == -1)
1204 big_picture.top_field_first = in_picture->top_field_first;
1206 big_picture.top_field_first = top_field_first;
1209 /* handles same_quant here. This is not correct because it may
1210 not be a global option */
1211 big_picture.quality = quality;
1213 big_picture.pict_type = 0;
1214 // big_picture.pts = AV_NOPTS_VALUE;
1215 big_picture.pts= ost->sync_opts;
1216 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1217 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1218 if (ost->forced_kf_index < ost->forced_kf_count &&
1219 big_picture.pts >= ost->forced_kf_pts[ost->forced_kf_index]) {
1220 big_picture.pict_type = AV_PICTURE_TYPE_I;
1221 ost->forced_kf_index++;
1223 ret = avcodec_encode_video(enc,
1224 bit_buffer, bit_buffer_size,
1227 fprintf(stderr, "Video encoding failed\n");
1232 pkt.data= bit_buffer;
1234 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1235 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1236 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1237 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1238 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1240 if(enc->coded_frame->key_frame)
1241 pkt.flags |= AV_PKT_FLAG_KEY;
1242 write_frame(s, &pkt, ost->st->codec, ost->bitstream_filters);
1245 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1246 // enc->frame_number-1, ret, enc->pict_type);
1247 /* if two pass, output log */
1248 if (ost->logfile && enc->stats_out) {
1249 fprintf(ost->logfile, "%s", enc->stats_out);
1254 ost->frame_number++;
1258 static double psnr(double d){
1259 return -10.0*log(d)/log(10.0);
1262 static void do_video_stats(AVFormatContext *os, OutputStream *ost,
1265 AVCodecContext *enc;
1267 double ti1, bitrate, avg_bitrate;
1269 /* this is executed just the first time do_video_stats is called */
1271 vstats_file = fopen(vstats_filename, "w");
1278 enc = ost->st->codec;
1279 if (enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1280 frame_number = ost->frame_number;
1281 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1282 if (enc->flags&CODEC_FLAG_PSNR)
1283 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1285 fprintf(vstats_file,"f_size= %6d ", frame_size);
1286 /* compute pts value */
1287 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1291 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1292 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1293 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1294 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1295 fprintf(vstats_file, "type= %c\n", av_get_picture_type_char(enc->coded_frame->pict_type));
1299 static void print_report(AVFormatContext **output_files,
1300 OutputStream **ost_table, int nb_ostreams,
1305 AVFormatContext *oc;
1307 AVCodecContext *enc;
1308 int frame_number, vid, i;
1310 int64_t pts = INT64_MAX;
1311 static int64_t last_time = -1;
1312 static int qp_histogram[52];
1314 if (!is_last_report) {
1316 /* display the report every 0.5 seconds */
1317 cur_time = av_gettime();
1318 if (last_time == -1) {
1319 last_time = cur_time;
1322 if ((cur_time - last_time) < 500000)
1324 last_time = cur_time;
1328 oc = output_files[0];
1330 total_size = avio_size(oc->pb);
1331 if(total_size<0) // FIXME improve avio_size() so it works with non seekable output too
1332 total_size= avio_tell(oc->pb);
1336 for(i=0;i<nb_ostreams;i++) {
1339 enc = ost->st->codec;
1340 if (!ost->st->stream_copy && enc->coded_frame)
1341 q = enc->coded_frame->quality/(float)FF_QP2LAMBDA;
1342 if (vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1343 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ", q);
1345 if (!vid && enc->codec_type == AVMEDIA_TYPE_VIDEO) {
1346 float t = (av_gettime()-timer_start) / 1000000.0;
1348 frame_number = ost->frame_number;
1349 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1350 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0, q);
1352 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1356 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1359 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1361 if (enc->flags&CODEC_FLAG_PSNR){
1363 double error, error_sum=0;
1364 double scale, scale_sum=0;
1365 char type[3]= {'Y','U','V'};
1366 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1369 error= enc->error[j];
1370 scale= enc->width*enc->height*255.0*255.0*frame_number;
1372 error= enc->coded_frame->error[j];
1373 scale= enc->width*enc->height*255.0*255.0;
1378 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1380 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1384 /* compute min output value */
1385 pts = FFMIN(pts, av_rescale_q(ost->st->pts.val,
1386 ost->st->time_base, AV_TIME_BASE_Q));
1389 if (verbose > 0 || is_last_report) {
1390 int hours, mins, secs, us;
1391 secs = pts / AV_TIME_BASE;
1392 us = pts % AV_TIME_BASE;
1398 bitrate = pts ? total_size * 8 / (pts / 1000.0) : 0;
1400 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1401 "size=%8.0fkB time=", total_size / 1024.0);
1402 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1403 "%02d:%02d:%02d.%02d ", hours, mins, secs,
1404 (100 * us) / AV_TIME_BASE);
1405 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1406 "bitrate=%6.1fkbits/s", bitrate);
1408 if (nb_frames_dup || nb_frames_drop)
1409 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1410 nb_frames_dup, nb_frames_drop);
1413 fprintf(stderr, "%s \r", buf);
1418 if (is_last_report && verbose >= 0){
1419 int64_t raw= audio_size + video_size + extra_size;
1420 fprintf(stderr, "\n");
1421 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1425 100.0*(total_size - raw)/raw
1430 static void generate_silence(uint8_t* buf, enum AVSampleFormat sample_fmt, size_t size)
1432 int fill_char = 0x00;
1433 if (sample_fmt == AV_SAMPLE_FMT_U8)
1435 memset(buf, fill_char, size);
1438 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1439 static int output_packet(InputStream *ist, int ist_index,
1440 OutputStream **ost_table, int nb_ostreams,
1441 const AVPacket *pkt)
1443 AVFormatContext *os;
1448 void *buffer_to_free = NULL;
1449 static unsigned int samples_size= 0;
1450 AVSubtitle subtitle, *subtitle_to_free;
1451 int64_t pkt_pts = AV_NOPTS_VALUE;
1453 int frame_available;
1458 int bps = av_get_bytes_per_sample(ist->st->codec->sample_fmt);
1460 if(ist->next_pts == AV_NOPTS_VALUE)
1461 ist->next_pts= ist->pts;
1465 av_init_packet(&avpkt);
1473 if(pkt->dts != AV_NOPTS_VALUE)
1474 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1475 if(pkt->pts != AV_NOPTS_VALUE)
1476 pkt_pts = av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q);
1478 //while we have more to decode or while the decoder did output something on EOF
1479 while (avpkt.size > 0 || (!pkt && got_output)) {
1480 uint8_t *data_buf, *decoded_data_buf;
1481 int data_size, decoded_data_size;
1483 ist->pts= ist->next_pts;
1485 if(avpkt.size && avpkt.size != pkt->size &&
1486 ((!ist->showed_multi_packet_warning && verbose>0) || verbose>1)){
1487 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1488 ist->showed_multi_packet_warning=1;
1491 /* decode the packet if needed */
1492 decoded_data_buf = NULL; /* fail safe */
1493 decoded_data_size= 0;
1494 data_buf = avpkt.data;
1495 data_size = avpkt.size;
1496 subtitle_to_free = NULL;
1497 if (ist->decoding_needed) {
1498 switch(ist->st->codec->codec_type) {
1499 case AVMEDIA_TYPE_AUDIO:{
1500 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1501 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1503 samples= av_malloc(samples_size);
1505 decoded_data_size= samples_size;
1506 /* XXX: could avoid copy if PCM 16 bits with same
1507 endianness as CPU */
1508 ret = avcodec_decode_audio3(ist->st->codec, samples, &decoded_data_size,
1515 got_output = decoded_data_size > 0;
1516 /* Some bug in mpeg audio decoder gives */
1517 /* decoded_data_size < 0, it seems they are overflows */
1519 /* no audio frame */
1522 decoded_data_buf = (uint8_t *)samples;
1523 ist->next_pts += ((int64_t)AV_TIME_BASE/bps * decoded_data_size) /
1524 (ist->st->codec->sample_rate * ist->st->codec->channels);
1526 case AVMEDIA_TYPE_VIDEO:
1527 decoded_data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1528 /* XXX: allocate picture correctly */
1529 avcodec_get_frame_defaults(&picture);
1530 avpkt.pts = pkt_pts;
1531 avpkt.dts = ist->pts;
1532 pkt_pts = AV_NOPTS_VALUE;
1534 ret = avcodec_decode_video2(ist->st->codec,
1535 &picture, &got_output, &avpkt);
1536 quality = same_quant ? picture.quality : 0;
1540 /* no picture yet */
1541 goto discard_packet;
1543 ist->next_pts = ist->pts = picture.best_effort_timestamp;
1544 if (ist->st->codec->time_base.num != 0) {
1545 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1546 ist->next_pts += ((int64_t)AV_TIME_BASE *
1547 ist->st->codec->time_base.num * ticks) /
1548 ist->st->codec->time_base.den;
1551 buffer_to_free = NULL;
1552 pre_process_video_frame(ist, (AVPicture *)&picture, &buffer_to_free);
1554 case AVMEDIA_TYPE_SUBTITLE:
1555 ret = avcodec_decode_subtitle2(ist->st->codec,
1556 &subtitle, &got_output, &avpkt);
1560 goto discard_packet;
1562 subtitle_to_free = &subtitle;
1569 switch(ist->st->codec->codec_type) {
1570 case AVMEDIA_TYPE_AUDIO:
1571 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1572 ist->st->codec->sample_rate;
1574 case AVMEDIA_TYPE_VIDEO:
1575 if (ist->st->codec->time_base.num != 0) {
1576 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1577 ist->next_pts += ((int64_t)AV_TIME_BASE *
1578 ist->st->codec->time_base.num * ticks) /
1579 ist->st->codec->time_base.den;
1588 if(ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO)
1589 if (start_time == 0 || ist->pts >= start_time) {
1590 for(i=0;i<nb_ostreams;i++) {
1592 if (ost->input_video_filter && ost->source_index == ist_index) {
1593 if (!picture.sample_aspect_ratio.num)
1594 picture.sample_aspect_ratio = ist->st->sample_aspect_ratio;
1595 picture.pts = ist->pts;
1597 av_vsrc_buffer_add_frame(ost->input_video_filter, &picture, AV_VSRC_BUF_FLAG_OVERWRITE);
1603 // preprocess audio (volume)
1604 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO) {
1605 if (audio_volume != 256) {
1608 for(i=0;i<(decoded_data_size / sizeof(short));i++) {
1609 int v = ((*volp) * audio_volume + 128) >> 8;
1610 if (v < -32768) v = -32768;
1611 if (v > 32767) v = 32767;
1617 /* frame rate emulation */
1619 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1620 int64_t now = av_gettime() - ist->start;
1624 /* if output time reached then transcode raw format,
1625 encode packets and output them */
1626 if (start_time == 0 || ist->pts >= start_time)
1627 for(i=0;i<nb_ostreams;i++) {
1632 /* finish if recording time exhausted */
1633 if (recording_time != INT64_MAX &&
1634 av_compare_ts(ist->pts, AV_TIME_BASE_Q, recording_time + start_time, (AVRational){1, 1000000})
1636 ist->is_past_recording_time = 1;
1639 if (ost->source_index == ist_index) {
1641 frame_available = ist->st->codec->codec_type != AVMEDIA_TYPE_VIDEO ||
1642 !ost->output_video_filter || avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1643 while (frame_available) {
1644 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && ost->output_video_filter) {
1645 AVRational ist_pts_tb = ost->output_video_filter->inputs[0]->time_base;
1646 if (av_vsink_buffer_get_video_buffer_ref(ost->output_video_filter, &ost->picref, 0) < 0)
1649 avfilter_fill_frame_from_video_buffer_ref(&picture, ost->picref);
1650 ist->pts = av_rescale_q(ost->picref->pts, ist_pts_tb, AV_TIME_BASE_Q);
1654 os = output_files[ost->file_index];
1656 /* set the input output pts pairs */
1657 //ost->sync_ipts = (double)(ist->pts + input_files[ist->file_index].ts_offset - start_time)/ AV_TIME_BASE;
1659 if (ost->encoding_needed) {
1660 av_assert0(ist->decoding_needed);
1661 switch(ost->st->codec->codec_type) {
1662 case AVMEDIA_TYPE_AUDIO:
1663 do_audio_out(os, ost, ist, decoded_data_buf, decoded_data_size);
1665 case AVMEDIA_TYPE_VIDEO:
1667 if (ost->picref->video && !ost->frame_aspect_ratio)
1668 ost->st->codec->sample_aspect_ratio = ost->picref->video->sample_aspect_ratio;
1670 do_video_out(os, ost, ist, &picture, &frame_size,
1671 same_quant ? quality : ost->st->codec->global_quality);
1672 if (vstats_filename && frame_size)
1673 do_video_stats(os, ost, frame_size);
1675 case AVMEDIA_TYPE_SUBTITLE:
1676 do_subtitle_out(os, ost, ist, &subtitle,
1683 AVFrame avframe; //FIXME/XXX remove this
1686 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1688 av_init_packet(&opkt);
1690 if ((!ost->frame_number && !(pkt->flags & AV_PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1691 #if !CONFIG_AVFILTER
1697 /* no reencoding needed : output the packet directly */
1698 /* force the input stream PTS */
1700 avcodec_get_frame_defaults(&avframe);
1701 ost->st->codec->coded_frame= &avframe;
1702 avframe.key_frame = pkt->flags & AV_PKT_FLAG_KEY;
1704 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO)
1705 audio_size += data_size;
1706 else if (ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) {
1707 video_size += data_size;
1711 opkt.stream_index= ost->index;
1712 if(pkt->pts != AV_NOPTS_VALUE)
1713 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1715 opkt.pts= AV_NOPTS_VALUE;
1717 if (pkt->dts == AV_NOPTS_VALUE)
1718 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1720 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1721 opkt.dts -= ost_tb_start_time;
1723 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1724 opkt.flags= pkt->flags;
1726 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1727 if( ost->st->codec->codec_id != CODEC_ID_H264
1728 && ost->st->codec->codec_id != CODEC_ID_MPEG1VIDEO
1729 && ost->st->codec->codec_id != CODEC_ID_MPEG2VIDEO
1731 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & AV_PKT_FLAG_KEY))
1732 opkt.destruct= av_destruct_packet;
1734 opkt.data = data_buf;
1735 opkt.size = data_size;
1738 if (os->oformat->flags & AVFMT_RAWPICTURE) {
1739 /* store AVPicture in AVPacket, as expected by the output format */
1740 avpicture_fill(&pict, opkt.data, ost->st->codec->pix_fmt, ost->st->codec->width, ost->st->codec->height);
1741 opkt.data = (uint8_t *)&pict;
1742 opkt.size = sizeof(AVPicture);
1743 opkt.flags |= AV_PKT_FLAG_KEY;
1745 write_frame(os, &opkt, ost->st->codec, ost->bitstream_filters);
1746 ost->st->codec->frame_number++;
1747 ost->frame_number++;
1748 av_free_packet(&opkt);
1752 frame_available = (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO) &&
1753 ost->output_video_filter && avfilter_poll_frame(ost->output_video_filter->inputs[0]);
1754 avfilter_unref_buffer(ost->picref);
1760 av_free(buffer_to_free);
1761 /* XXX: allocate the subtitles in the codec ? */
1762 if (subtitle_to_free) {
1763 avsubtitle_free(subtitle_to_free);
1764 subtitle_to_free = NULL;
1771 for(i=0;i<nb_ostreams;i++) {
1773 if (ost->source_index == ist_index) {
1774 AVCodecContext *enc= ost->st->codec;
1775 os = output_files[ost->file_index];
1777 if(ost->st->codec->codec_type == AVMEDIA_TYPE_AUDIO && enc->frame_size <=1)
1779 if(ost->st->codec->codec_type == AVMEDIA_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1782 if (ost->encoding_needed) {
1786 av_init_packet(&pkt);
1787 pkt.stream_index= ost->index;
1789 switch(ost->st->codec->codec_type) {
1790 case AVMEDIA_TYPE_AUDIO:
1791 fifo_bytes = av_fifo_size(ost->fifo);
1793 /* encode any samples remaining in fifo */
1794 if (fifo_bytes > 0) {
1795 int osize = av_get_bytes_per_sample(enc->sample_fmt);
1796 int fs_tmp = enc->frame_size;
1798 av_fifo_generic_read(ost->fifo, audio_buf, fifo_bytes, NULL);
1799 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1800 enc->frame_size = fifo_bytes / (osize * enc->channels);
1802 int frame_bytes = enc->frame_size*osize*enc->channels;
1803 if (allocated_audio_buf_size < frame_bytes)
1805 generate_silence(audio_buf+fifo_bytes, enc->sample_fmt, frame_bytes - fifo_bytes);
1808 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, (short *)audio_buf);
1809 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1810 ost->st->time_base.num, enc->sample_rate);
1811 enc->frame_size = fs_tmp;
1814 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1817 fprintf(stderr, "Audio encoding failed\n");
1821 pkt.flags |= AV_PKT_FLAG_KEY;
1823 case AVMEDIA_TYPE_VIDEO:
1824 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1826 fprintf(stderr, "Video encoding failed\n");
1830 if(enc->coded_frame && enc->coded_frame->key_frame)
1831 pkt.flags |= AV_PKT_FLAG_KEY;
1832 if (ost->logfile && enc->stats_out) {
1833 fprintf(ost->logfile, "%s", enc->stats_out);
1842 pkt.data= bit_buffer;
1844 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1845 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1846 write_frame(os, &pkt, ost->st->codec, ost->bitstream_filters);
1856 static void print_sdp(AVFormatContext **avc, int n)
1860 av_sdp_create(avc, n, sdp, sizeof(sdp));
1861 printf("SDP:\n%s\n", sdp);
1866 * The following code is the main loop of the file converter
1868 static int transcode(AVFormatContext **output_files,
1869 int nb_output_files,
1870 InputFile *input_files,
1873 int ret = 0, i, j, k, n, nb_ostreams = 0, step;
1875 AVFormatContext *is, *os;
1876 AVCodecContext *codec, *icodec;
1877 OutputStream *ost, **ost_table = NULL;
1882 uint8_t no_packet[MAX_FILES]={0};
1883 int no_packet_count=0;
1884 int nb_frame_threshold[AVMEDIA_TYPE_NB]={0};
1885 int nb_streams[AVMEDIA_TYPE_NB]={0};
1888 for (i = 0; i < nb_input_streams; i++)
1889 input_streams[i].start = av_gettime();
1891 /* output stream init */
1893 for(i=0;i<nb_output_files;i++) {
1894 os = output_files[i];
1895 if (!os->nb_streams && !(os->oformat->flags & AVFMT_NOSTREAMS)) {
1896 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
1897 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1898 ret = AVERROR(EINVAL);
1901 nb_ostreams += os->nb_streams;
1904 ost_table = av_mallocz(sizeof(OutputStream *) * nb_ostreams);
1908 for(k=0;k<nb_output_files;k++) {
1909 os = output_files[k];
1910 for(i=0;i<os->nb_streams;i++,n++) {
1911 nb_streams[os->streams[i]->codec->codec_type]++;
1914 for(step=1<<30; step; step>>=1){
1915 int found_streams[AVMEDIA_TYPE_NB]={0};
1916 for(j=0; j<AVMEDIA_TYPE_NB; j++)
1917 nb_frame_threshold[j] += step;
1919 for(j=0; j<nb_input_streams; j++) {
1921 ist = &input_streams[j];
1924 AVFormatContext *f= input_files[ ist->file_index ].ctx;
1926 for(pi=0; pi<f->nb_programs; pi++){
1927 AVProgram *p= f->programs[pi];
1928 if(p->id == opt_programid)
1929 for(si=0; si<p->nb_stream_indexes; si++){
1930 if(f->streams[ p->stream_index[si] ] == ist->st)
1935 if (ist->discard && ist->st->discard != AVDISCARD_ALL && !skip
1936 && nb_frame_threshold[ist->st->codec->codec_type] <= ist->st->codec_info_nb_frames){
1937 found_streams[ist->st->codec->codec_type]++;
1940 for(j=0; j<AVMEDIA_TYPE_NB; j++)
1941 if(found_streams[j] < nb_streams[j])
1942 nb_frame_threshold[j] -= step;
1945 for(k=0;k<nb_output_files;k++) {
1946 os = output_files[k];
1947 for (i = 0; i < os->nb_streams; i++, n++)
1948 ost_table[n] = output_streams_for_file[k][i];
1951 /* for each output stream, we compute the right encoding parameters */
1952 for(i=0;i<nb_ostreams;i++) {
1954 os = output_files[ost->file_index];
1955 ist = &input_streams[ost->source_index];
1957 codec = ost->st->codec;
1958 icodec = ist->st->codec;
1960 ost->st->disposition = ist->st->disposition;
1961 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1962 codec->chroma_sample_location = icodec->chroma_sample_location;
1964 if (ost->st->stream_copy) {
1965 uint64_t extra_size = (uint64_t)icodec->extradata_size + FF_INPUT_BUFFER_PADDING_SIZE;
1967 if (extra_size > INT_MAX)
1970 /* if stream_copy is selected, no need to decode or encode */
1971 codec->codec_id = icodec->codec_id;
1972 codec->codec_type = icodec->codec_type;
1974 if(!codec->codec_tag){
1975 if( !os->oformat->codec_tag
1976 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) == codec->codec_id
1977 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1978 codec->codec_tag = icodec->codec_tag;
1981 codec->bit_rate = icodec->bit_rate;
1982 codec->rc_max_rate = icodec->rc_max_rate;
1983 codec->rc_buffer_size = icodec->rc_buffer_size;
1984 codec->extradata= av_mallocz(extra_size);
1985 if (!codec->extradata)
1987 memcpy(codec->extradata, icodec->extradata, icodec->extradata_size);
1988 codec->extradata_size= icodec->extradata_size;
1990 codec->time_base = ist->st->time_base;
1991 if(!strcmp(os->oformat->name, "avi")) {
1992 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){
1993 codec->time_base = icodec->time_base;
1994 codec->time_base.num *= icodec->ticks_per_frame;
1995 codec->time_base.den *= 2;
1997 } else if(!(os->oformat->flags & AVFMT_VARIABLE_FPS)) {
1998 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){
1999 codec->time_base = icodec->time_base;
2000 codec->time_base.num *= icodec->ticks_per_frame;
2003 av_reduce(&codec->time_base.num, &codec->time_base.den,
2004 codec->time_base.num, codec->time_base.den, INT_MAX);
2006 switch(codec->codec_type) {
2007 case AVMEDIA_TYPE_AUDIO:
2008 if(audio_volume != 256) {
2009 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
2012 codec->channel_layout = icodec->channel_layout;
2013 codec->sample_rate = icodec->sample_rate;
2014 codec->channels = icodec->channels;
2015 codec->frame_size = icodec->frame_size;
2016 codec->audio_service_type = icodec->audio_service_type;
2017 codec->block_align= icodec->block_align;
2018 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
2019 codec->block_align= 0;
2020 if(codec->codec_id == CODEC_ID_AC3)
2021 codec->block_align= 0;
2023 case AVMEDIA_TYPE_VIDEO:
2024 codec->pix_fmt = icodec->pix_fmt;
2025 codec->width = icodec->width;
2026 codec->height = icodec->height;
2027 codec->has_b_frames = icodec->has_b_frames;
2028 if (!codec->sample_aspect_ratio.num) {
2029 codec->sample_aspect_ratio =
2030 ost->st->sample_aspect_ratio =
2031 ist->st->sample_aspect_ratio.num ? ist->st->sample_aspect_ratio :
2032 ist->st->codec->sample_aspect_ratio.num ?
2033 ist->st->codec->sample_aspect_ratio : (AVRational){0, 1};
2036 case AVMEDIA_TYPE_SUBTITLE:
2037 codec->width = icodec->width;
2038 codec->height = icodec->height;
2040 case AVMEDIA_TYPE_DATA:
2047 ost->enc = avcodec_find_encoder(ost->st->codec->codec_id);
2048 switch(codec->codec_type) {
2049 case AVMEDIA_TYPE_AUDIO:
2050 ost->fifo= av_fifo_alloc(1024);
2053 ost->reformat_pair = MAKE_SFMT_PAIR(AV_SAMPLE_FMT_NONE,AV_SAMPLE_FMT_NONE);
2054 if (!codec->sample_rate) {
2055 codec->sample_rate = icodec->sample_rate;
2057 choose_sample_rate(ost->st, ost->enc);
2058 codec->time_base = (AVRational){1, codec->sample_rate};
2059 if (codec->sample_fmt == AV_SAMPLE_FMT_NONE)
2060 codec->sample_fmt = icodec->sample_fmt;
2061 choose_sample_fmt(ost->st, ost->enc);
2062 if (!codec->channels) {
2063 codec->channels = icodec->channels;
2064 codec->channel_layout = icodec->channel_layout;
2066 if (av_get_channel_layout_nb_channels(codec->channel_layout) != codec->channels)
2067 codec->channel_layout = 0;
2068 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
2069 icodec->request_channels = codec->channels;
2070 ist->decoding_needed = 1;
2071 ost->encoding_needed = 1;
2072 ost->resample_sample_fmt = icodec->sample_fmt;
2073 ost->resample_sample_rate = icodec->sample_rate;
2074 ost->resample_channels = icodec->channels;
2076 case AVMEDIA_TYPE_VIDEO:
2077 if (codec->pix_fmt == PIX_FMT_NONE)
2078 codec->pix_fmt = icodec->pix_fmt;
2079 choose_pixel_fmt(ost->st, ost->enc);
2081 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
2082 fprintf(stderr, "Video pixel format is unknown, stream cannot be encoded\n");
2086 if (!codec->width || !codec->height) {
2087 codec->width = icodec->width;
2088 codec->height = icodec->height;
2091 ost->video_resample = codec->width != icodec->width ||
2092 codec->height != icodec->height ||
2093 codec->pix_fmt != icodec->pix_fmt;
2094 if (ost->video_resample) {
2095 codec->bits_per_raw_sample= frame_bits_per_raw_sample;
2098 ost->resample_height = icodec->height;
2099 ost->resample_width = icodec->width;
2100 ost->resample_pix_fmt= icodec->pix_fmt;
2101 ost->encoding_needed = 1;
2102 ist->decoding_needed = 1;
2104 if (!ost->frame_rate.num)
2105 ost->frame_rate = ist->st->r_frame_rate.num ? ist->st->r_frame_rate : (AVRational){25,1};
2106 if (ost->enc && ost->enc->supported_framerates && !force_fps) {
2107 int idx = av_find_nearest_q_idx(ost->frame_rate, ost->enc->supported_framerates);
2108 ost->frame_rate = ost->enc->supported_framerates[idx];
2110 codec->time_base = (AVRational){ost->frame_rate.den, ost->frame_rate.num};
2111 if( av_q2d(codec->time_base) < 0.001 && video_sync_method
2112 && (video_sync_method==1 || (video_sync_method<0 && !(os->oformat->flags & AVFMT_VARIABLE_FPS)))){
2113 av_log(os, AV_LOG_WARNING, "Frame rate very high for a muxer not effciciently supporting it.\n"
2114 "Please consider specifiying a lower framerate, a different muxer or -vsync 2\n");
2118 if (configure_video_filters(ist, ost)) {
2119 fprintf(stderr, "Error opening filters!\n");
2124 case AVMEDIA_TYPE_SUBTITLE:
2125 ost->encoding_needed = 1;
2126 ist->decoding_needed = 1;
2133 if (ost->encoding_needed && codec->codec_id != CODEC_ID_H264 &&
2134 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
2135 char logfilename[1024];
2138 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
2139 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
2141 if (codec->flags & CODEC_FLAG_PASS1) {
2142 f = fopen(logfilename, "wb");
2144 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
2150 size_t logbuffer_size;
2151 if (read_file(logfilename, &logbuffer, &logbuffer_size) < 0) {
2152 fprintf(stderr, "Error reading log file '%s' for pass-2 encoding\n", logfilename);
2155 codec->stats_in = logbuffer;
2159 if(codec->codec_type == AVMEDIA_TYPE_VIDEO){
2160 /* maximum video buffer size is 6-bytes per pixel, plus DPX header size */
2161 int size= codec->width * codec->height;
2162 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 1664);
2167 bit_buffer = av_malloc(bit_buffer_size);
2169 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2171 ret = AVERROR(ENOMEM);
2175 /* open each encoder */
2176 for(i=0;i<nb_ostreams;i++) {
2178 if (ost->encoding_needed) {
2179 AVCodec *codec = ost->enc;
2180 AVCodecContext *dec = input_streams[ost->source_index].st->codec;
2182 snprintf(error, sizeof(error), "Encoder (codec %s) not found for output stream #%d.%d",
2183 avcodec_get_name(ost->st->codec->codec_id), ost->file_index, ost->index);
2184 ret = AVERROR(EINVAL);
2187 if (dec->subtitle_header) {
2188 ost->st->codec->subtitle_header = av_malloc(dec->subtitle_header_size);
2189 if (!ost->st->codec->subtitle_header) {
2190 ret = AVERROR(ENOMEM);
2193 memcpy(ost->st->codec->subtitle_header, dec->subtitle_header, dec->subtitle_header_size);
2194 ost->st->codec->subtitle_header_size = dec->subtitle_header_size;
2196 if (avcodec_open2(ost->st->codec, codec, &ost->opts) < 0) {
2197 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2198 ost->file_index, ost->index);
2199 ret = AVERROR(EINVAL);
2202 assert_codec_experimental(ost->st->codec, 1);
2203 assert_avoptions(ost->opts);
2204 if (ost->st->codec->bit_rate && ost->st->codec->bit_rate < 1000)
2205 av_log(NULL, AV_LOG_WARNING, "The bitrate parameter is set too low."
2206 "It takes bits/s as argument, not kbits/s\n");
2207 extra_size += ost->st->codec->extradata_size;
2211 /* open each decoder */
2212 for (i = 0; i < nb_input_streams; i++) {
2213 ist = &input_streams[i];
2214 if (ist->decoding_needed) {
2215 AVCodec *codec = ist->dec;
2217 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2219 snprintf(error, sizeof(error), "Decoder (codec %s) not found for input stream #%d.%d",
2220 avcodec_get_name(ist->st->codec->codec_id), ist->file_index, ist->st->index);
2221 ret = AVERROR(EINVAL);
2224 if (avcodec_open2(ist->st->codec, codec, &ist->opts) < 0) {
2225 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2226 ist->file_index, ist->st->index);
2227 ret = AVERROR(EINVAL);
2230 assert_codec_experimental(ist->st->codec, 0);
2231 assert_avoptions(ost->opts);
2236 for (i = 0; i < nb_input_streams; i++) {
2238 ist = &input_streams[i];
2240 ist->pts = st->avg_frame_rate.num ? - st->codec->has_b_frames*AV_TIME_BASE / av_q2d(st->avg_frame_rate) : 0;
2241 ist->next_pts = AV_NOPTS_VALUE;
2245 /* open files and write file headers */
2246 for(i=0;i<nb_output_files;i++) {
2247 os = output_files[i];
2248 if (avformat_write_header(os, &output_opts[i]) < 0) {
2249 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2250 ret = AVERROR(EINVAL);
2253 // assert_avoptions(output_opts[i]);
2254 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2260 /* dump the file output parameters - cannot be done before in case
2262 for(i=0;i<nb_output_files;i++) {
2263 av_dump_format(output_files[i], i, output_files[i]->filename, 1);
2266 /* dump the stream mapping */
2268 fprintf(stderr, "Stream mapping:\n");
2269 for(i=0;i<nb_ostreams;i++) {
2271 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2272 input_streams[ost->source_index].file_index,
2273 input_streams[ost->source_index].st->index,
2276 if (ost->sync_ist != &input_streams[ost->source_index])
2277 fprintf(stderr, " [sync #%d.%d]",
2278 ost->sync_ist->file_index,
2279 ost->sync_ist->st->index);
2280 if(ost->encoding_needed)
2281 fprintf(stderr, ": %s -> %s",
2282 input_streams[ost->source_index].dec ?
2283 input_streams[ost->source_index].dec->name : "?",
2284 ost->enc ? ost->enc->name : "?");
2286 fprintf(stderr, ": copy");
2287 fprintf(stderr, "\n");
2292 fprintf(stderr, "%s\n", error);
2297 print_sdp(output_files, nb_output_files);
2302 fprintf(stderr, "Press [q] to stop, [?] for help\n");
2303 avio_set_interrupt_cb(decode_interrupt_cb);
2307 timer_start = av_gettime();
2309 for(; received_sigterm == 0;) {
2310 int file_index, ist_index;
2318 /* if 'q' pressed, exits */
2322 /* read_key() returns 0 on EOF */
2326 if (key == '+') verbose++;
2327 if (key == '-') verbose--;
2328 if (key == 's') qp_hist ^= 1;
2331 do_hex_dump = do_pkt_dump = 0;
2332 } else if(do_pkt_dump){
2336 av_log_set_level(AV_LOG_DEBUG);
2338 if (key == 'c' || key == 'C'){
2339 char ret[4096], target[64], cmd[256], arg[256]={0};
2341 fprintf(stderr, "\nEnter command: <target> <time> <command>[ <argument>]\n");
2342 if(scanf("%4095[^\n\r]%*c", ret) == 1 && sscanf(ret, "%63[^ ] %lf %255[^ ] %255[^\n]", target, &ts, cmd, arg) >= 3){
2343 for(i=0;i<nb_ostreams;i++) {
2348 r= avfilter_graph_send_command(ost->graph, target, cmd, arg, ret, sizeof(ret), key == 'c' ? AVFILTER_CMD_FLAG_ONE : 0);
2349 fprintf(stderr, "Command reply for %d: %d, %s\n", i, r, ret);
2351 r= avfilter_graph_queue_command(ost->graph, target, cmd, arg, 0, ts);
2356 fprintf(stderr, "Parse error\n");
2359 if (key == 'd' || key == 'D'){
2362 debug = input_streams[0].st->codec->debug<<1;
2363 if(!debug) debug = 1;
2364 while(debug & (FF_DEBUG_DCT_COEFF|FF_DEBUG_VIS_QP|FF_DEBUG_VIS_MB_TYPE)) //unsupported, would just crash
2367 scanf("%d", &debug);
2368 for(i=0;i<nb_input_streams;i++) {
2369 input_streams[i].st->codec->debug = debug;
2371 for(i=0;i<nb_ostreams;i++) {
2373 ost->st->codec->debug = debug;
2375 if(debug) av_log_set_level(AV_LOG_DEBUG);
2376 fprintf(stderr,"debug=%d\n", debug);
2379 fprintf(stderr, "key function\n"
2380 "? show this help\n"
2381 "+ increase verbosity\n"
2382 "- decrease verbosity\n"
2383 "c Send command to filtergraph\n"
2384 "D cycle through available debug modes\n"
2385 "h dump packets/hex press to cycle through the 3 states\n"
2387 "s Show QP histogram\n"
2392 /* select the stream that we must read now by looking at the
2393 smallest output pts */
2395 for(i=0;i<nb_ostreams;i++) {
2398 os = output_files[ost->file_index];
2399 ist = &input_streams[ost->source_index];
2400 if(ist->is_past_recording_time || no_packet[ist->file_index])
2402 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2403 ipts = (double)ist->pts;
2404 if (!input_files[ist->file_index].eof_reached){
2405 if(ipts < ipts_min) {
2407 if(input_sync ) file_index = ist->file_index;
2409 if(opts < opts_min) {
2411 if(!input_sync) file_index = ist->file_index;
2414 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2419 /* if none, if is finished */
2420 if (file_index < 0) {
2421 if(no_packet_count){
2423 memset(no_packet, 0, sizeof(no_packet));
2430 /* finish if limit size exhausted */
2431 if (limit_filesize != 0 && limit_filesize <= avio_tell(output_files[0]->pb))
2434 /* read a frame from it and output it in the fifo */
2435 is = input_files[file_index].ctx;
2436 ret= av_read_frame(is, &pkt);
2437 if(ret == AVERROR(EAGAIN)){
2438 no_packet[file_index]=1;
2443 input_files[file_index].eof_reached = 1;
2451 memset(no_packet, 0, sizeof(no_packet));
2454 av_pkt_dump_log2(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump,
2455 is->streams[pkt.stream_index]);
2457 /* the following test is needed in case new streams appear
2458 dynamically in stream : we ignore them */
2459 if (pkt.stream_index >= input_files[file_index].nb_streams)
2460 goto discard_packet;
2461 ist_index = input_files[file_index].ist_index + pkt.stream_index;
2462 ist = &input_streams[ist_index];
2464 goto discard_packet;
2466 if (pkt.dts != AV_NOPTS_VALUE)
2467 pkt.dts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2468 if (pkt.pts != AV_NOPTS_VALUE)
2469 pkt.pts += av_rescale_q(input_files[ist->file_index].ts_offset, AV_TIME_BASE_Q, ist->st->time_base);
2471 if (ist->ts_scale) {
2472 if(pkt.pts != AV_NOPTS_VALUE)
2473 pkt.pts *= ist->ts_scale;
2474 if(pkt.dts != AV_NOPTS_VALUE)
2475 pkt.dts *= ist->ts_scale;
2478 // 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);
2479 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2480 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2481 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2482 int64_t delta= pkt_dts - ist->next_pts;
2483 if((delta < -1LL*dts_delta_threshold*AV_TIME_BASE ||
2484 (delta > 1LL*dts_delta_threshold*AV_TIME_BASE &&
2485 ist->st->codec->codec_type != AVMEDIA_TYPE_SUBTITLE) ||
2486 pkt_dts+1<ist->pts)&& !copy_ts){
2487 input_files[ist->file_index].ts_offset -= delta;
2489 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n",
2490 delta, input_files[ist->file_index].ts_offset);
2491 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2492 if(pkt.pts != AV_NOPTS_VALUE)
2493 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2497 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->st->index, pkt.size);
2498 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2501 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2502 ist->file_index, ist->st->index);
2505 av_free_packet(&pkt);
2510 av_free_packet(&pkt);
2512 /* dump report by using the output first video and audio streams */
2513 print_report(output_files, ost_table, nb_ostreams, 0);
2516 /* at the end of stream, we must flush the decoder buffers */
2517 for (i = 0; i < nb_input_streams; i++) {
2518 ist = &input_streams[i];
2519 if (ist->decoding_needed) {
2520 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2526 /* write the trailer if needed and close file */
2527 for(i=0;i<nb_output_files;i++) {
2528 os = output_files[i];
2529 av_write_trailer(os);
2532 /* dump report by using the first video and audio streams */
2533 print_report(output_files, ost_table, nb_ostreams, 1);
2535 /* close each encoder */
2536 for(i=0;i<nb_ostreams;i++) {
2538 if (ost->encoding_needed) {
2539 av_freep(&ost->st->codec->stats_in);
2540 avcodec_close(ost->st->codec);
2543 avfilter_graph_free(&ost->graph);
2547 /* close each decoder */
2548 for (i = 0; i < nb_input_streams; i++) {
2549 ist = &input_streams[i];
2550 if (ist->decoding_needed) {
2551 avcodec_close(ist->st->codec);
2559 av_freep(&bit_buffer);
2562 for(i=0;i<nb_ostreams;i++) {
2565 if (ost->st->stream_copy)
2566 av_freep(&ost->st->codec->extradata);
2568 fclose(ost->logfile);
2569 ost->logfile = NULL;
2571 av_fifo_free(ost->fifo); /* works even if fifo is not
2572 initialized but set to zero */
2573 av_freep(&ost->st->codec->subtitle_header);
2574 av_free(ost->resample_frame.data[0]);
2575 av_free(ost->forced_kf_pts);
2576 if (ost->video_resample)
2577 sws_freeContext(ost->img_resample_ctx);
2579 audio_resample_close(ost->resample);
2580 if (ost->reformat_ctx)
2581 av_audio_convert_free(ost->reformat_ctx);
2582 av_dict_free(&ost->opts);
2591 static int opt_format(const char *opt, const char *arg)
2593 last_asked_format = arg;
2597 static int opt_video_rc_override_string(const char *opt, const char *arg)
2599 video_rc_override_string = arg;
2603 static int opt_me_threshold(const char *opt, const char *arg)
2605 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2609 static int opt_verbose(const char *opt, const char *arg)
2611 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2615 static int opt_frame_rate(const char *opt, const char *arg)
2617 if (av_parse_video_rate(&frame_rate, arg) < 0) {
2618 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2624 static int opt_frame_crop(const char *opt, const char *arg)
2626 fprintf(stderr, "Option '%s' has been removed, use the crop filter instead\n", opt);
2627 return AVERROR(EINVAL);
2630 static int opt_frame_size(const char *opt, const char *arg)
2632 if (av_parse_video_size(&frame_width, &frame_height, arg) < 0) {
2633 fprintf(stderr, "Incorrect frame size\n");
2634 return AVERROR(EINVAL);
2639 static int opt_pad(const char *opt, const char *arg) {
2640 fprintf(stderr, "Option '%s' has been removed, use the pad filter instead\n", opt);
2644 static int opt_frame_pix_fmt(const char *opt, const char *arg)
2646 if (strcmp(arg, "list")) {
2647 frame_pix_fmt = av_get_pix_fmt(arg);
2648 if (frame_pix_fmt == PIX_FMT_NONE) {
2649 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2650 return AVERROR(EINVAL);
2653 opt_pix_fmts(NULL, NULL);
2659 static int opt_frame_aspect_ratio(const char *opt, const char *arg)
2666 p = strchr(arg, ':');
2668 x = strtol(arg, &end, 10);
2670 y = strtol(end+1, &end, 10);
2672 ar = (double)x / (double)y;
2674 ar = strtod(arg, NULL);
2677 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2678 return AVERROR(EINVAL);
2680 frame_aspect_ratio = ar;
2684 static int opt_metadata(const char *opt, const char *arg)
2686 char *mid= strchr(arg, '=');
2689 fprintf(stderr, "Missing =\n");
2694 av_dict_set(&metadata, arg, mid, 0);
2699 static int opt_qscale(const char *opt, const char *arg)
2701 video_qscale = parse_number_or_die(opt, arg, OPT_FLOAT, 0, 255);
2702 if (video_qscale <= 0 || video_qscale > 255) {
2703 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2704 return AVERROR(EINVAL);
2709 static int opt_top_field_first(const char *opt, const char *arg)
2711 top_field_first = parse_number_or_die(opt, arg, OPT_INT, 0, 1);
2712 return opt_default(opt, arg);
2715 static int opt_thread_count(const char *opt, const char *arg)
2717 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2720 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2725 static int opt_audio_sample_fmt(const char *opt, const char *arg)
2727 if (strcmp(arg, "list")) {
2728 audio_sample_fmt = av_get_sample_fmt(arg);
2729 if (audio_sample_fmt == AV_SAMPLE_FMT_NONE) {
2730 av_log(NULL, AV_LOG_ERROR, "Invalid sample format '%s'\n", arg);
2731 return AVERROR(EINVAL);
2736 for (i = -1; i < AV_SAMPLE_FMT_NB; i++)
2737 printf("%s\n", av_get_sample_fmt_string(fmt_str, sizeof(fmt_str), i));
2743 static int opt_audio_rate(const char *opt, const char *arg)
2745 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2749 static int opt_audio_channels(const char *opt, const char *arg)
2751 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2755 static int opt_video_channel(const char *opt, const char *arg)
2757 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -channel.\n");
2758 return opt_default("channel", arg);
2761 static int opt_video_standard(const char *opt, const char *arg)
2763 av_log(NULL, AV_LOG_WARNING, "This option is deprecated, use -standard.\n");
2764 return opt_default("standard", arg);
2767 static int opt_codec(const char *opt, const char *arg)
2769 return av_dict_set(&codec_names, opt, arg, 0);
2772 static int opt_audio_codec(const char *opt, const char *arg)
2774 return opt_codec("codec:a", arg);
2777 static int opt_video_codec(const char *opt, const char *arg)
2779 return opt_codec("codec:v", arg);
2782 static int opt_subtitle_codec(const char *opt, const char *arg)
2784 return opt_codec("codec:s", arg);
2787 static int opt_data_codec(const char *opt, const char *arg)
2789 return opt_codec("codec:d", arg);
2792 static int opt_codec_tag(const char *opt, const char *arg)
2795 uint32_t *codec_tag;
2797 codec_tag = !strcmp(opt, "atag") ? &audio_codec_tag :
2798 !strcmp(opt, "vtag") ? &video_codec_tag :
2799 !strcmp(opt, "stag") ? &subtitle_codec_tag : NULL;
2803 *codec_tag = strtol(arg, &tail, 0);
2805 *codec_tag = AV_RL32(arg);
2810 static int opt_map(const char *opt, const char *arg)
2812 StreamMap *m = NULL;
2813 int i, negative = 0, file_idx;
2814 int sync_file_idx = -1, sync_stream_idx;
2822 map = av_strdup(arg);
2824 /* parse sync stream first, just pick first matching stream */
2825 if (sync = strchr(map, ',')) {
2827 sync_file_idx = strtol(sync + 1, &sync, 0);
2828 if (sync_file_idx >= nb_input_files || sync_file_idx < 0) {
2829 av_log(NULL, AV_LOG_ERROR, "Invalid sync file index: %d.\n", sync_file_idx);
2834 for (i = 0; i < input_files[sync_file_idx].ctx->nb_streams; i++)
2835 if (check_stream_specifier(input_files[sync_file_idx].ctx,
2836 input_files[sync_file_idx].ctx->streams[i], sync) == 1) {
2837 sync_stream_idx = i;
2840 if (i == input_files[sync_file_idx].ctx->nb_streams) {
2841 av_log(NULL, AV_LOG_ERROR, "Sync stream specification in map %s does not "
2842 "match any streams.\n", arg);
2848 file_idx = strtol(map, &p, 0);
2849 if (file_idx >= nb_input_files || file_idx < 0) {
2850 av_log(NULL, AV_LOG_ERROR, "Invalid input file index: %d.\n", file_idx);
2854 /* disable some already defined maps */
2855 for (i = 0; i < nb_stream_maps; i++) {
2856 m = &stream_maps[i];
2857 if (check_stream_specifier(input_files[m->file_index].ctx,
2858 input_files[m->file_index].ctx->streams[m->stream_index],
2859 *p == ':' ? p + 1 : p) > 0)
2863 for (i = 0; i < input_files[file_idx].ctx->nb_streams; i++) {
2864 if (check_stream_specifier(input_files[file_idx].ctx, input_files[file_idx].ctx->streams[i],
2865 *p == ':' ? p + 1 : p) <= 0)
2867 stream_maps = grow_array(stream_maps, sizeof(*stream_maps), &nb_stream_maps, nb_stream_maps + 1);
2868 m = &stream_maps[nb_stream_maps - 1];
2870 m->file_index = file_idx;
2871 m->stream_index = i;
2873 if (sync_file_idx >= 0) {
2874 m->sync_file_index = sync_file_idx;
2875 m->sync_stream_index = sync_stream_idx;
2877 m->sync_file_index = file_idx;
2878 m->sync_stream_index = i;
2883 av_log(NULL, AV_LOG_ERROR, "Stream map '%s' matches no streams.\n", arg);
2891 static void parse_meta_type(char *arg, char *type, int *index)
2901 if (*(++arg) == ':')
2902 *index = strtol(++arg, NULL, 0);
2905 fprintf(stderr, "Invalid metadata type %c.\n", *arg);
2912 static int opt_map_metadata(const char *opt, const char *arg)
2914 MetadataMap *m, *m1;
2917 meta_data_maps = grow_array(meta_data_maps, sizeof(*meta_data_maps),
2918 &nb_meta_data_maps, nb_meta_data_maps + 1);
2920 m = &meta_data_maps[nb_meta_data_maps - 1][1];
2921 m->file = strtol(arg, &p, 0);
2922 parse_meta_type(p, &m->type, &m->index);
2924 m1 = &meta_data_maps[nb_meta_data_maps - 1][0];
2925 if (p = strchr(opt, ':'))
2926 parse_meta_type(p, &m1->type, &m1->index);
2930 if (m->type == 'g' || m1->type == 'g')
2931 metadata_global_autocopy = 0;
2932 if (m->type == 's' || m1->type == 's')
2933 metadata_streams_autocopy = 0;
2934 if (m->type == 'c' || m1->type == 'c')
2935 metadata_chapters_autocopy = 0;
2940 static int opt_map_meta_data(const char *opt, const char *arg)
2942 fprintf(stderr, "-map_meta_data is deprecated and will be removed soon. "
2943 "Use -map_metadata instead.\n");
2944 return opt_map_metadata(opt, arg);
2947 static int opt_input_ts_scale(const char *opt, const char *arg)
2949 unsigned int stream;
2953 stream = strtol(arg, &p, 0);
2956 scale= strtod(p, &p);
2958 if(stream >= MAX_STREAMS)
2961 ts_scale = grow_array(ts_scale, sizeof(*ts_scale), &nb_ts_scale, stream + 1);
2962 ts_scale[stream] = scale;
2966 static int opt_recording_time(const char *opt, const char *arg)
2968 recording_time = parse_time_or_die(opt, arg, 1);
2972 static int opt_start_time(const char *opt, const char *arg)
2974 start_time = parse_time_or_die(opt, arg, 1);
2978 static int opt_recording_timestamp(const char *opt, const char *arg)
2981 int64_t recording_timestamp = parse_time_or_die(opt, arg, 0) / 1E6;
2982 struct tm time = *gmtime((time_t*)&recording_timestamp);
2983 strftime(buf, sizeof(buf), "creation_time=%FT%T%z", &time);
2984 opt_metadata("metadata", buf);
2986 av_log(NULL, AV_LOG_WARNING, "%s is deprecated, set the 'creation_time' metadata "
2987 "tag instead.\n", opt);
2991 static int opt_input_ts_offset(const char *opt, const char *arg)
2993 input_ts_offset = parse_time_or_die(opt, arg, 1);
2997 static enum CodecID find_codec_or_die(const char *name, enum AVMediaType type, int encoder)
2999 const char *codec_string = encoder ? "encoder" : "decoder";
3003 return CODEC_ID_NONE;
3005 avcodec_find_encoder_by_name(name) :
3006 avcodec_find_decoder_by_name(name);
3008 av_log(NULL, AV_LOG_ERROR, "Unknown %s '%s'\n", codec_string, name);
3011 if(codec->type != type) {
3012 av_log(NULL, AV_LOG_ERROR, "Invalid %s type '%s'\n", codec_string, name);
3018 static AVCodec *choose_codec(AVFormatContext *s, AVStream *st, enum AVMediaType type, AVDictionary *codec_names)
3020 AVDictionaryEntry *e = NULL;
3021 char *codec_name = NULL;
3024 while (e = av_dict_get(codec_names, "", e, AV_DICT_IGNORE_SUFFIX)) {
3025 char *p = strchr(e->key, ':');
3027 if ((ret = check_stream_specifier(s, st, p ? p + 1 : "")) > 0)
3028 codec_name = e->value;
3035 st->codec->codec_id = av_guess_codec(s->oformat, NULL, s->filename, NULL, type);
3036 return avcodec_find_encoder(st->codec->codec_id);
3038 } else if (!strcmp(codec_name, "copy"))
3039 st->stream_copy = 1;
3041 st->codec->codec_id = find_codec_or_die(codec_name, type, s->iformat == NULL);
3042 return s->oformat ? avcodec_find_encoder_by_name(codec_name) :
3043 avcodec_find_decoder_by_name(codec_name);
3049 static int opt_input_file(const char *opt, const char *filename)
3051 AVFormatContext *ic;
3052 AVInputFormat *file_iformat = NULL;
3053 int err, i, ret, rfps, rfps_base;
3056 AVDictionary **opts;
3057 int orig_nb_streams; // number of streams before avformat_find_stream_info
3059 if (last_asked_format) {
3060 if (!(file_iformat = av_find_input_format(last_asked_format))) {
3061 fprintf(stderr, "Unknown input format: '%s'\n", last_asked_format);
3064 last_asked_format = NULL;
3067 if (!strcmp(filename, "-"))
3070 using_stdin |= !strncmp(filename, "pipe:", 5) ||
3071 !strcmp(filename, "/dev/stdin");
3073 /* get default parameters from command line */
3074 ic = avformat_alloc_context();
3076 print_error(filename, AVERROR(ENOMEM));
3079 if (audio_sample_rate) {
3080 snprintf(buf, sizeof(buf), "%d", audio_sample_rate);
3081 av_dict_set(&format_opts, "sample_rate", buf, 0);
3083 if (audio_channels) {
3084 snprintf(buf, sizeof(buf), "%d", audio_channels);
3085 av_dict_set(&format_opts, "channels", buf, 0);
3087 if (frame_rate.num) {
3088 snprintf(buf, sizeof(buf), "%d/%d", frame_rate.num, frame_rate.den);
3089 av_dict_set(&format_opts, "framerate", buf, 0);
3091 if (frame_width && frame_height) {
3092 snprintf(buf, sizeof(buf), "%dx%d", frame_width, frame_height);
3093 av_dict_set(&format_opts, "video_size", buf, 0);
3095 if (frame_pix_fmt != PIX_FMT_NONE)
3096 av_dict_set(&format_opts, "pixel_format", av_get_pix_fmt_name(frame_pix_fmt), 0);
3098 ic->flags |= AVFMT_FLAG_NONBLOCK;
3101 av_log(NULL, AV_LOG_WARNING, "-loop_input is deprecated, use -loop 1\n");
3102 ic->loop_input = loop_input;
3105 /* open the input file with generic libav function */
3106 err = avformat_open_input(&ic, filename, file_iformat, &format_opts);
3108 print_error(filename, err);
3111 assert_avoptions(format_opts);
3116 for(i=0; i<ic->nb_streams; i++){
3117 ic->streams[i]->discard= AVDISCARD_ALL;
3119 for(i=0; i<ic->nb_programs; i++){
3120 AVProgram *p= ic->programs[i];
3121 if(p->id != opt_programid){
3122 p->discard = AVDISCARD_ALL;
3125 for(j=0; j<p->nb_stream_indexes; j++){
3126 ic->streams[p->stream_index[j]]->discard= AVDISCARD_DEFAULT;
3131 fprintf(stderr, "Specified program id not found\n");
3137 /* apply forced codec ids */
3138 for (i = 0; i < ic->nb_streams; i++)
3139 choose_codec(ic, ic->streams[i], ic->streams[i]->codec->codec_type, codec_names);
3141 /* Set AVCodecContext options for avformat_find_stream_info */
3142 opts = setup_find_stream_info_opts(ic, codec_opts);
3143 orig_nb_streams = ic->nb_streams;
3145 /* If not enough info to get the stream parameters, we decode the
3146 first frames to get it. (used in mpeg case for example) */
3147 ret = avformat_find_stream_info(ic, opts);
3148 if (ret < 0 && verbose >= 0) {
3149 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3150 av_close_input_file(ic);
3154 timestamp = start_time;
3155 /* add the stream start time */
3156 if (ic->start_time != AV_NOPTS_VALUE)
3157 timestamp += ic->start_time;
3159 /* if seeking requested, we execute it */
3160 if (start_time != 0) {
3161 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3163 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3164 filename, (double)timestamp / AV_TIME_BASE);
3166 /* reset seek info */
3170 /* update the current parameters so that they match the one of the input stream */
3171 for(i=0;i<ic->nb_streams;i++) {
3172 AVStream *st = ic->streams[i];
3173 AVCodecContext *dec = st->codec;
3176 dec->thread_count = thread_count;
3178 input_streams = grow_array(input_streams, sizeof(*input_streams), &nb_input_streams, nb_input_streams + 1);
3179 ist = &input_streams[nb_input_streams - 1];
3181 ist->file_index = nb_input_files;
3183 ist->opts = filter_codec_opts(codec_opts, ist->st->codec->codec_id, ic, st);
3185 if (i < nb_ts_scale)
3186 ist->ts_scale = ts_scale[i];
3188 ist->dec = choose_codec(ic, st, dec->codec_type, codec_names);
3190 switch (dec->codec_type) {
3191 case AVMEDIA_TYPE_AUDIO:
3193 ist->dec = avcodec_find_decoder(dec->codec_id);
3195 st->discard= AVDISCARD_ALL;
3197 case AVMEDIA_TYPE_VIDEO:
3199 ist->dec = avcodec_find_decoder(dec->codec_id);
3200 rfps = ic->streams[i]->r_frame_rate.num;
3201 rfps_base = ic->streams[i]->r_frame_rate.den;
3203 dec->flags |= CODEC_FLAG_EMU_EDGE;
3206 dec->debug |= FF_DEBUG_MV;
3208 if (dec->time_base.den != rfps*dec->ticks_per_frame || dec->time_base.num != rfps_base) {
3211 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3212 i, (float)dec->time_base.den / dec->time_base.num, dec->time_base.den, dec->time_base.num,
3214 (float)rfps / rfps_base, rfps, rfps_base);
3218 st->discard= AVDISCARD_ALL;
3219 else if(video_discard)
3220 st->discard= video_discard;
3222 case AVMEDIA_TYPE_DATA:
3224 case AVMEDIA_TYPE_SUBTITLE:
3226 ist->dec = avcodec_find_decoder(dec->codec_id);
3227 if(subtitle_disable)
3228 st->discard = AVDISCARD_ALL;
3230 case AVMEDIA_TYPE_ATTACHMENT:
3231 case AVMEDIA_TYPE_UNKNOWN:
3238 /* dump the file content */
3240 av_dump_format(ic, nb_input_files, filename, 0);
3242 input_files = grow_array(input_files, sizeof(*input_files), &nb_input_files, nb_input_files + 1);
3243 input_files[nb_input_files - 1].ctx = ic;
3244 input_files[nb_input_files - 1].ist_index = nb_input_streams - ic->nb_streams;
3245 input_files[nb_input_files - 1].ts_offset = input_ts_offset - (copy_ts ? 0 : timestamp);
3246 input_files[nb_input_files - 1].nb_streams = ic->nb_streams;
3248 top_field_first = -1;
3249 frame_rate = (AVRational){0, 0};
3250 frame_pix_fmt = PIX_FMT_NONE;
3253 audio_sample_rate = 0;
3255 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3256 av_freep(&ts_scale);
3259 for (i = 0; i < orig_nb_streams; i++)
3260 av_dict_free(&opts[i]);
3262 av_dict_free(&codec_names);
3268 static void parse_forced_key_frames(char *kf, OutputStream *ost,
3269 AVCodecContext *avctx)
3275 for (p = kf; *p; p++)
3278 ost->forced_kf_count = n;
3279 ost->forced_kf_pts = av_malloc(sizeof(*ost->forced_kf_pts) * n);
3280 if (!ost->forced_kf_pts) {
3281 av_log(NULL, AV_LOG_FATAL, "Could not allocate forced key frames array.\n");
3284 for (i = 0; i < n; i++) {
3285 p = i ? strchr(p, ',') + 1 : kf;
3286 t = parse_time_or_die("force_key_frames", p, 1);
3287 ost->forced_kf_pts[i] = av_rescale_q(t, AV_TIME_BASE_Q, avctx->time_base);
3291 static OutputStream *new_output_stream(AVFormatContext *oc, enum AVMediaType type)
3294 AVStream *st = av_new_stream(oc, oc->nb_streams < nb_streamid_map ? streamid_map[oc->nb_streams] : 0);
3295 int idx = oc->nb_streams - 1;
3298 av_log(NULL, AV_LOG_ERROR, "Could not alloc stream.\n");
3302 output_streams_for_file[nb_output_files] =
3303 grow_array(output_streams_for_file[nb_output_files],
3304 sizeof(*output_streams_for_file[nb_output_files]),
3305 &nb_output_streams_for_file[nb_output_files],
3307 ost = output_streams_for_file[nb_output_files][idx] =
3308 av_mallocz(sizeof(OutputStream));
3310 fprintf(stderr, "Could not alloc output stream\n");
3313 ost->file_index = nb_output_files;
3316 st->codec->codec_type = type;
3317 ost->enc = choose_codec(oc, st, type, codec_names);
3319 ost->opts = filter_codec_opts(codec_opts, ost->enc->id, oc, st);
3322 avcodec_get_context_defaults3(st->codec, ost->enc);
3323 st->codec->codec_type = type; // XXX hack, avcodec_get_context_defaults2() sets type to unknown for stream copy
3325 ost->sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
3329 static OutputStream *new_video_stream(AVFormatContext *oc)
3333 AVCodecContext *video_enc;
3335 ost = new_output_stream(oc, AVMEDIA_TYPE_VIDEO);
3337 if (!st->stream_copy) {
3338 ost->frame_aspect_ratio = frame_aspect_ratio;
3339 frame_aspect_ratio = 0;
3341 ost->avfilter = vfilters;
3346 ost->bitstream_filters = video_bitstream_filters;
3347 video_bitstream_filters= NULL;
3349 st->codec->thread_count= thread_count;
3351 video_enc = st->codec;
3354 video_enc->codec_tag= video_codec_tag;
3356 if(oc->oformat->flags & AVFMT_GLOBALHEADER) {
3357 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3360 if (st->stream_copy) {
3361 video_enc->sample_aspect_ratio =
3362 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3368 ost->frame_rate = frame_rate;
3370 video_enc->width = frame_width;
3371 video_enc->height = frame_height;
3372 video_enc->pix_fmt = frame_pix_fmt;
3373 video_enc->bits_per_raw_sample = frame_bits_per_raw_sample;
3374 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3377 video_enc->gop_size = 0;
3378 if (video_qscale || same_quant) {
3379 video_enc->flags |= CODEC_FLAG_QSCALE;
3380 video_enc->global_quality = FF_QP2LAMBDA * video_qscale;
3384 video_enc->intra_matrix = intra_matrix;
3386 video_enc->inter_matrix = inter_matrix;
3388 p= video_rc_override_string;
3391 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3393 fprintf(stderr, "error parsing rc_override\n");
3396 video_enc->rc_override=
3397 av_realloc(video_enc->rc_override,
3398 sizeof(RcOverride)*(i+1));
3399 video_enc->rc_override[i].start_frame= start;
3400 video_enc->rc_override[i].end_frame = end;
3402 video_enc->rc_override[i].qscale= q;
3403 video_enc->rc_override[i].quality_factor= 1.0;
3406 video_enc->rc_override[i].qscale= 0;
3407 video_enc->rc_override[i].quality_factor= -q/100.0;
3412 video_enc->rc_override_count=i;
3413 if (!video_enc->rc_initial_buffer_occupancy)
3414 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3415 video_enc->me_threshold= me_threshold;
3416 video_enc->intra_dc_precision= intra_dc_precision - 8;
3419 video_enc->flags|= CODEC_FLAG_PSNR;
3424 video_enc->flags |= CODEC_FLAG_PASS1;
3426 video_enc->flags |= CODEC_FLAG_PASS2;
3430 if (forced_key_frames)
3431 parse_forced_key_frames(forced_key_frames, ost, video_enc);
3433 if (video_language) {
3434 av_dict_set(&st->metadata, "language", video_language, 0);
3435 av_freep(&video_language);
3438 /* reset some key parameters */
3440 av_freep(&forced_key_frames);
3441 frame_pix_fmt = PIX_FMT_NONE;
3445 static OutputStream *new_audio_stream(AVFormatContext *oc)
3449 AVCodecContext *audio_enc;
3451 ost = new_output_stream(oc, AVMEDIA_TYPE_AUDIO);
3454 ost->bitstream_filters = audio_bitstream_filters;
3455 audio_bitstream_filters= NULL;
3457 st->codec->thread_count= thread_count;
3459 audio_enc = st->codec;
3460 audio_enc->codec_type = AVMEDIA_TYPE_AUDIO;
3463 audio_enc->codec_tag= audio_codec_tag;
3465 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3466 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3468 if (!st->stream_copy) {
3469 if (audio_qscale > QSCALE_NONE) {
3470 audio_enc->flags |= CODEC_FLAG_QSCALE;
3471 audio_enc->global_quality = FF_QP2LAMBDA * audio_qscale;
3474 audio_enc->channels = audio_channels;
3475 if (audio_sample_fmt != AV_SAMPLE_FMT_NONE)
3476 audio_enc->sample_fmt = audio_sample_fmt;
3477 if (audio_sample_rate)
3478 audio_enc->sample_rate = audio_sample_rate;
3480 if (audio_language) {
3481 av_dict_set(&st->metadata, "language", audio_language, 0);
3482 av_freep(&audio_language);
3485 /* reset some key parameters */
3491 static OutputStream *new_data_stream(AVFormatContext *oc)
3495 AVCodecContext *data_enc;
3497 ost = new_output_stream(oc, AVMEDIA_TYPE_DATA);
3499 data_enc = st->codec;
3500 if (!st->stream_copy) {
3501 fprintf(stderr, "Data stream encoding not supported yet (only streamcopy)\n");
3506 data_enc->codec_tag= data_codec_tag;
3508 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3509 data_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3516 static OutputStream *new_subtitle_stream(AVFormatContext *oc)
3520 AVCodecContext *subtitle_enc;
3522 ost = new_output_stream(oc, AVMEDIA_TYPE_SUBTITLE);
3524 subtitle_enc = st->codec;
3526 ost->bitstream_filters = subtitle_bitstream_filters;
3527 subtitle_bitstream_filters= NULL;
3529 subtitle_enc->codec_type = AVMEDIA_TYPE_SUBTITLE;
3531 if(subtitle_codec_tag)
3532 subtitle_enc->codec_tag= subtitle_codec_tag;
3534 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3535 subtitle_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3538 if (subtitle_language) {
3539 av_dict_set(&st->metadata, "language", subtitle_language, 0);
3540 av_freep(&subtitle_language);
3543 subtitle_disable = 0;
3547 /* arg format is "output-stream-index:streamid-value". */
3548 static int opt_streamid(const char *opt, const char *arg)
3554 av_strlcpy(idx_str, arg, sizeof(idx_str));
3555 p = strchr(idx_str, ':');
3558 "Invalid value '%s' for option '%s', required syntax is 'index:value'\n",
3563 idx = parse_number_or_die(opt, idx_str, OPT_INT, 0, MAX_STREAMS-1);
3564 streamid_map = grow_array(streamid_map, sizeof(*streamid_map), &nb_streamid_map, idx+1);
3565 streamid_map[idx] = parse_number_or_die(opt, p, OPT_INT, 0, INT_MAX);
3568 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
3571 AVFormatContext *ic = NULL;
3573 err = avformat_open_input(&ic, filename, NULL, NULL);
3576 /* copy stream format */
3577 for(i=0;i<ic->nb_streams;i++) {
3582 codec = avcodec_find_encoder(ic->streams[i]->codec->codec_id);
3583 ost = new_output_stream(s, codec->type);
3586 // FIXME: a more elegant solution is needed
3587 memcpy(st, ic->streams[i], sizeof(AVStream));
3588 st->info = av_malloc(sizeof(*st->info));
3589 memcpy(st->info, ic->streams[i]->info, sizeof(*st->info));
3590 avcodec_copy_context(st->codec, ic->streams[i]->codec);
3592 if (st->codec->codec_type == AVMEDIA_TYPE_AUDIO && !st->stream_copy)
3593 choose_sample_fmt(st, codec);
3594 else if (st->codec->codec_type == AVMEDIA_TYPE_VIDEO && !st->stream_copy)
3595 choose_pixel_fmt(st, codec);
3598 av_close_input_file(ic);
3603 static int copy_chapters(int infile, int outfile)
3605 AVFormatContext *is = input_files[infile].ctx;
3606 AVFormatContext *os = output_files[outfile];
3609 for (i = 0; i < is->nb_chapters; i++) {
3610 AVChapter *in_ch = is->chapters[i], *out_ch;
3611 int64_t ts_off = av_rescale_q(start_time - input_files[infile].ts_offset,
3612 AV_TIME_BASE_Q, in_ch->time_base);
3613 int64_t rt = (recording_time == INT64_MAX) ? INT64_MAX :
3614 av_rescale_q(recording_time, AV_TIME_BASE_Q, in_ch->time_base);
3617 if (in_ch->end < ts_off)
3619 if (rt != INT64_MAX && in_ch->start > rt + ts_off)
3622 out_ch = av_mallocz(sizeof(AVChapter));
3624 return AVERROR(ENOMEM);
3626 out_ch->id = in_ch->id;
3627 out_ch->time_base = in_ch->time_base;
3628 out_ch->start = FFMAX(0, in_ch->start - ts_off);
3629 out_ch->end = FFMIN(rt, in_ch->end - ts_off);
3631 if (metadata_chapters_autocopy)
3632 av_dict_copy(&out_ch->metadata, in_ch->metadata, 0);
3635 os->chapters = av_realloc(os->chapters, sizeof(AVChapter)*os->nb_chapters);
3637 return AVERROR(ENOMEM);
3638 os->chapters[os->nb_chapters - 1] = out_ch;
3643 static int opt_output_file(const char *opt, const char *filename)
3645 AVFormatContext *oc;
3647 AVOutputFormat *file_oformat;
3651 if(nb_output_files >= FF_ARRAY_ELEMS(output_files)){
3652 fprintf(stderr, "Too many output files\n");
3656 if (!strcmp(filename, "-"))
3659 err = avformat_alloc_output_context2(&oc, NULL, last_asked_format, filename);
3660 last_asked_format = NULL;
3662 print_error(filename, err);
3665 file_oformat= oc->oformat;
3667 if (!strcmp(file_oformat->name, "ffm") &&
3668 av_strstart(filename, "http:", NULL)) {
3669 /* special case for files sent to ffserver: we get the stream
3670 parameters from ffserver */
3671 int err = read_ffserver_streams(oc, filename);
3673 print_error(filename, err);
3676 } else if (!nb_stream_maps) {
3677 /* pick the "best" stream of each type */
3678 #define NEW_STREAM(type, index)\
3680 ost = new_ ## type ## _stream(oc);\
3681 ost->source_index = index;\
3682 ost->sync_ist = &input_streams[index];\
3683 input_streams[index].discard = 0;\
3686 /* video: highest resolution */
3687 if (!video_disable && oc->oformat->video_codec != CODEC_ID_NONE) {
3688 int area = 0, idx = -1;
3689 for (i = 0; i < nb_input_streams; i++) {
3690 ist = &input_streams[i];
3691 if (ist->st->codec->codec_type == AVMEDIA_TYPE_VIDEO &&
3692 ist->st->codec->width * ist->st->codec->height > area) {
3693 area = ist->st->codec->width * ist->st->codec->height;
3697 NEW_STREAM(video, idx);
3700 /* audio: most channels */
3701 if (!audio_disable && oc->oformat->audio_codec != CODEC_ID_NONE) {
3702 int channels = 0, idx = -1;
3703 for (i = 0; i < nb_input_streams; i++) {
3704 ist = &input_streams[i];
3705 if (ist->st->codec->codec_type == AVMEDIA_TYPE_AUDIO &&
3706 ist->st->codec->channels > channels) {
3707 channels = ist->st->codec->channels;
3711 NEW_STREAM(audio, idx);
3714 /* subtitles: pick first */
3715 if (!subtitle_disable && oc->oformat->subtitle_codec != CODEC_ID_NONE) {
3716 for (i = 0; i < nb_input_streams; i++)
3717 if (input_streams[i].st->codec->codec_type == AVMEDIA_TYPE_SUBTITLE) {
3718 NEW_STREAM(subtitle, i);
3722 /* do something with data? */
3724 for (i = 0; i < nb_stream_maps; i++) {
3725 StreamMap *map = &stream_maps[i];
3730 ist = &input_streams[input_files[map->file_index].ist_index + map->stream_index];
3731 switch (ist->st->codec->codec_type) {
3732 case AVMEDIA_TYPE_VIDEO: ost = new_video_stream(oc); break;
3733 case AVMEDIA_TYPE_AUDIO: ost = new_audio_stream(oc); break;
3734 case AVMEDIA_TYPE_SUBTITLE: ost = new_subtitle_stream(oc); break;
3735 case AVMEDIA_TYPE_DATA: ost = new_data_stream(oc); break;
3737 av_log(NULL, AV_LOG_ERROR, "Cannot map stream #%d.%d - unsupported type.\n",
3738 map->file_index, map->stream_index);
3742 ost->source_index = input_files[map->file_index].ist_index + map->stream_index;
3743 ost->sync_ist = &input_streams[input_files[map->sync_file_index].ist_index +
3744 map->sync_stream_index];
3749 av_dict_copy(&oc->metadata, metadata, 0);
3750 av_dict_free(&metadata);
3752 av_dict_copy(&output_opts[nb_output_files], format_opts, 0);
3753 output_files[nb_output_files++] = oc;
3755 /* check filename in case of an image number is expected */
3756 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3757 if (!av_filename_number_test(oc->filename)) {
3758 print_error(oc->filename, AVERROR(EINVAL));
3763 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3764 /* test if it already exists to avoid loosing precious files */
3765 if (!file_overwrite &&
3766 (strchr(filename, ':') == NULL ||
3767 filename[1] == ':' ||
3768 av_strstart(filename, "file:", NULL))) {
3769 if (avio_check(filename, 0) == 0) {
3771 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3773 if (!read_yesno()) {
3774 fprintf(stderr, "Not overwriting - exiting\n");
3779 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3786 if ((err = avio_open(&oc->pb, filename, AVIO_FLAG_WRITE)) < 0) {
3787 print_error(filename, err);
3792 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3793 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3795 if (loop_output >= 0) {
3796 av_log(NULL, AV_LOG_WARNING, "-loop_output is deprecated, use -loop\n");
3797 oc->loop_output = loop_output;
3801 if (chapters_input_file >= nb_input_files) {
3802 if (chapters_input_file == INT_MAX) {
3803 /* copy chapters from the first input file that has them*/
3804 chapters_input_file = -1;
3805 for (i = 0; i < nb_input_files; i++)
3806 if (input_files[i].ctx->nb_chapters) {
3807 chapters_input_file = i;
3811 av_log(NULL, AV_LOG_ERROR, "Invalid input file index %d in chapter mapping.\n",
3812 chapters_input_file);
3816 if (chapters_input_file >= 0)
3817 copy_chapters(chapters_input_file, nb_output_files - 1);
3820 for (i = 0; i < nb_meta_data_maps; i++) {
3821 AVFormatContext *files[2];
3822 AVDictionary **meta[2];
3825 #define METADATA_CHECK_INDEX(index, nb_elems, desc)\
3826 if ((index) < 0 || (index) >= (nb_elems)) {\
3827 av_log(NULL, AV_LOG_ERROR, "Invalid %s index %d while processing metadata maps\n",\
3832 int in_file_index = meta_data_maps[i][1].file;
3833 if (in_file_index < 0)
3835 METADATA_CHECK_INDEX(in_file_index, nb_input_files, "input file")
3838 files[1] = input_files[in_file_index].ctx;
3840 for (j = 0; j < 2; j++) {
3841 MetadataMap *map = &meta_data_maps[i][j];
3843 switch (map->type) {
3845 meta[j] = &files[j]->metadata;
3848 METADATA_CHECK_INDEX(map->index, files[j]->nb_streams, "stream")
3849 meta[j] = &files[j]->streams[map->index]->metadata;
3852 METADATA_CHECK_INDEX(map->index, files[j]->nb_chapters, "chapter")
3853 meta[j] = &files[j]->chapters[map->index]->metadata;
3856 METADATA_CHECK_INDEX(map->index, files[j]->nb_programs, "program")
3857 meta[j] = &files[j]->programs[map->index]->metadata;
3862 av_dict_copy(meta[0], *meta[1], AV_DICT_DONT_OVERWRITE);
3865 /* copy global metadata by default */
3866 if (metadata_global_autocopy)
3867 av_dict_copy(&oc->metadata, input_files[0].ctx->metadata,
3868 AV_DICT_DONT_OVERWRITE);
3869 if (metadata_streams_autocopy)
3870 for (i = 0; i < oc->nb_streams; i++) {
3871 InputStream *ist = &input_streams[output_streams_for_file[nb_output_files-1][i]->source_index];
3872 av_dict_copy(&oc->streams[i]->metadata, ist->st->metadata, AV_DICT_DONT_OVERWRITE);
3875 frame_rate = (AVRational){0, 0};
3878 audio_sample_rate = 0;
3880 audio_sample_fmt = AV_SAMPLE_FMT_NONE;
3881 chapters_input_file = INT_MAX;
3883 av_freep(&meta_data_maps);
3884 nb_meta_data_maps = 0;
3885 metadata_global_autocopy = 1;
3886 metadata_streams_autocopy = 1;
3887 metadata_chapters_autocopy = 1;
3888 av_freep(&stream_maps);
3891 av_dict_free(&codec_names);
3893 av_freep(&forced_key_frames);
3899 /* same option as mencoder */
3900 static int opt_pass(const char *opt, const char *arg)
3902 do_pass = parse_number_or_die(opt, arg, OPT_INT, 1, 2);
3906 static int64_t getutime(void)
3909 struct rusage rusage;
3911 getrusage(RUSAGE_SELF, &rusage);
3912 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3913 #elif HAVE_GETPROCESSTIMES
3915 FILETIME c, e, k, u;
3916 proc = GetCurrentProcess();
3917 GetProcessTimes(proc, &c, &e, &k, &u);
3918 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3920 return av_gettime();
3924 static int64_t getmaxrss(void)
3926 #if HAVE_GETRUSAGE && HAVE_STRUCT_RUSAGE_RU_MAXRSS
3927 struct rusage rusage;
3928 getrusage(RUSAGE_SELF, &rusage);
3929 return (int64_t)rusage.ru_maxrss * 1024;
3930 #elif HAVE_GETPROCESSMEMORYINFO
3932 PROCESS_MEMORY_COUNTERS memcounters;
3933 proc = GetCurrentProcess();
3934 memcounters.cb = sizeof(memcounters);
3935 GetProcessMemoryInfo(proc, &memcounters, sizeof(memcounters));
3936 return memcounters.PeakPagefileUsage;
3942 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3945 const char *p = str;
3952 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3959 static int opt_inter_matrix(const char *opt, const char *arg)
3961 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3962 parse_matrix_coeffs(inter_matrix, arg);
3966 static int opt_intra_matrix(const char *opt, const char *arg)
3968 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3969 parse_matrix_coeffs(intra_matrix, arg);
3973 static void show_usage(void)
3975 printf("Hyper fast Audio and Video encoder\n");
3976 printf("usage: %s [options] [[infile options] -i infile]... {[outfile options] outfile}...\n", program_name);
3980 static int opt_help(const char *opt, const char *arg)
3983 AVOutputFormat *oformat = NULL;
3984 AVInputFormat *iformat = NULL;
3986 av_log_set_callback(log_callback_help);
3988 show_help_options(options, "Main options:\n",
3989 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3990 show_help_options(options, "\nAdvanced options:\n",
3991 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3993 show_help_options(options, "\nVideo options:\n",
3994 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3996 show_help_options(options, "\nAdvanced Video options:\n",
3997 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3998 OPT_VIDEO | OPT_EXPERT);
3999 show_help_options(options, "\nAudio options:\n",
4000 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4002 show_help_options(options, "\nAdvanced Audio options:\n",
4003 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4004 OPT_AUDIO | OPT_EXPERT);
4005 show_help_options(options, "\nSubtitle options:\n",
4006 OPT_SUBTITLE | OPT_GRAB,
4008 show_help_options(options, "\nAudio/Video grab options:\n",
4012 av_opt_show2(avcodec_opts[0], NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4015 /* individual codec options */
4017 while ((c = av_codec_next(c))) {
4018 if (c->priv_class) {
4019 av_opt_show2(&c->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4024 av_opt_show2(avformat_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4027 /* individual muxer options */
4028 while ((oformat = av_oformat_next(oformat))) {
4029 if (oformat->priv_class) {
4030 av_opt_show2(&oformat->priv_class, NULL, AV_OPT_FLAG_ENCODING_PARAM, 0);
4035 /* individual demuxer options */
4036 while ((iformat = av_iformat_next(iformat))) {
4037 if (iformat->priv_class) {
4038 av_opt_show2(&iformat->priv_class, NULL, AV_OPT_FLAG_DECODING_PARAM, 0);
4043 av_opt_show2(sws_opts, NULL, AV_OPT_FLAG_ENCODING_PARAM|AV_OPT_FLAG_DECODING_PARAM, 0);
4047 static int opt_target(const char *opt, const char *arg)
4049 enum { PAL, NTSC, FILM, UNKNOWN } norm = UNKNOWN;
4050 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4052 if(!strncmp(arg, "pal-", 4)) {
4055 } else if(!strncmp(arg, "ntsc-", 5)) {
4058 } else if(!strncmp(arg, "film-", 5)) {
4063 /* Calculate FR via float to avoid int overflow */
4064 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
4067 } else if((fr == 29970) || (fr == 23976)) {
4070 /* Try to determine PAL/NTSC by peeking in the input files */
4071 if(nb_input_files) {
4073 for (j = 0; j < nb_input_files; j++) {
4074 for (i = 0; i < input_files[j].ctx->nb_streams; i++) {
4075 AVCodecContext *c = input_files[j].ctx->streams[i]->codec;
4076 if(c->codec_type != AVMEDIA_TYPE_VIDEO)
4078 fr = c->time_base.den * 1000 / c->time_base.num;
4082 } else if((fr == 29970) || (fr == 23976)) {
4092 if(verbose > 0 && norm != UNKNOWN)
4093 fprintf(stderr, "Assuming %s for target.\n", norm == PAL ? "PAL" : "NTSC");
4096 if(norm == UNKNOWN) {
4097 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4098 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4099 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4103 if(!strcmp(arg, "vcd")) {
4104 opt_codec("c:v", "mpeg1video");
4105 opt_codec("c:a", "mp2");
4106 opt_format("f", "vcd");
4108 opt_frame_size("s", norm == PAL ? "352x288" : "352x240");
4109 opt_frame_rate("r", frame_rates[norm]);
4110 opt_default("g", norm == PAL ? "15" : "18");
4112 opt_default("b", "1150000");
4113 opt_default("maxrate", "1150000");
4114 opt_default("minrate", "1150000");
4115 opt_default("bufsize", "327680"); // 40*1024*8;
4117 opt_default("b:a", "224000");
4118 audio_sample_rate = 44100;
4121 opt_default("packetsize", "2324");
4122 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
4124 /* We have to offset the PTS, so that it is consistent with the SCR.
4125 SCR starts at 36000, but the first two packs contain only padding
4126 and the first pack from the other stream, respectively, may also have
4127 been written before.
4128 So the real data starts at SCR 36000+3*1200. */
4129 mux_preload= (36000+3*1200) / 90000.0; //0.44
4130 } else if(!strcmp(arg, "svcd")) {
4132 opt_codec("c:v", "mpeg2video");
4133 opt_codec("c:a", "mp2");
4134 opt_format("f", "svcd");
4136 opt_frame_size("s", norm == PAL ? "480x576" : "480x480");
4137 opt_frame_rate("r", frame_rates[norm]);
4138 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4139 opt_default("g", norm == PAL ? "15" : "18");
4141 opt_default("b", "2040000");
4142 opt_default("maxrate", "2516000");
4143 opt_default("minrate", "0"); //1145000;
4144 opt_default("bufsize", "1835008"); //224*1024*8;
4145 opt_default("flags", "+scan_offset");
4148 opt_default("b:a", "224000");
4149 audio_sample_rate = 44100;
4151 opt_default("packetsize", "2324");
4153 } else if(!strcmp(arg, "dvd")) {
4155 opt_codec("c:v", "mpeg2video");
4156 opt_codec("c:a", "ac3");
4157 opt_format("f", "dvd");
4159 opt_frame_size("vcodec", norm == PAL ? "720x576" : "720x480");
4160 opt_frame_rate("r", frame_rates[norm]);
4161 opt_frame_pix_fmt("pix_fmt", "yuv420p");
4162 opt_default("g", norm == PAL ? "15" : "18");
4164 opt_default("b", "6000000");
4165 opt_default("maxrate", "9000000");
4166 opt_default("minrate", "0"); //1500000;
4167 opt_default("bufsize", "1835008"); //224*1024*8;
4169 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4170 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4172 opt_default("b:a", "448000");
4173 audio_sample_rate = 48000;
4175 } else if(!strncmp(arg, "dv", 2)) {
4177 opt_format("f", "dv");
4179 opt_frame_size("s", norm == PAL ? "720x576" : "720x480");
4180 opt_frame_pix_fmt("pix_fmt", !strncmp(arg, "dv50", 4) ? "yuv422p" :
4181 norm == PAL ? "yuv420p" : "yuv411p");
4182 opt_frame_rate("r", frame_rates[norm]);
4184 audio_sample_rate = 48000;
4188 fprintf(stderr, "Unknown target: %s\n", arg);
4189 return AVERROR(EINVAL);
4194 static int opt_vstats_file(const char *opt, const char *arg)
4196 av_free (vstats_filename);
4197 vstats_filename=av_strdup (arg);
4201 static int opt_vstats(const char *opt, const char *arg)
4204 time_t today2 = time(NULL);
4205 struct tm *today = localtime(&today2);
4207 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
4209 return opt_vstats_file(opt, filename);
4212 static int opt_bsf(const char *opt, const char *arg)
4214 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
4215 AVBitStreamFilterContext **bsfp;
4218 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
4222 bsfp= *opt == 'v' ? &video_bitstream_filters :
4223 *opt == 'a' ? &audio_bitstream_filters :
4224 &subtitle_bitstream_filters;
4226 bsfp= &(*bsfp)->next;
4233 static void log_callback_null(void* ptr, int level, const char* fmt, va_list vl)
4237 static int opt_passlogfile(const char *opt, const char *arg)
4239 pass_logfilename_prefix = arg;
4240 #if CONFIG_LIBX264_ENCODER
4241 return opt_default("passlogfile", arg);
4247 static const OptionDef options[] = {
4249 #include "cmdutils_common_opts.h"
4250 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4251 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4252 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4253 { "c", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4254 { "codec", HAS_ARG, {(void*)opt_codec}, "codec name", "codec" },
4255 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file.stream[:syncfile.syncstream]" },
4256 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "DEPRECATED set meta data information of outfile from infile",
4257 "outfile[,metadata]:infile[,metadata]" },
4258 { "map_metadata", HAS_ARG | OPT_EXPERT, {(void*)opt_map_metadata}, "set metadata information of outfile from infile",
4259 "outfile[,metadata]:infile[,metadata]" },
4260 { "map_chapters", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&chapters_input_file}, "set chapters mapping", "input_file_index" },
4261 { "t", HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
4262 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
4263 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4264 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4265 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
4266 { "timestamp", HAS_ARG, {(void*)opt_recording_timestamp}, "set the recording timestamp ('now' to set the current time)", "time" },
4267 { "metadata", HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
4268 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[AVMEDIA_TYPE_DATA]}, "set the number of data frames to record", "number" },
4269 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4270 "add timings for benchmarking" },
4271 { "timelimit", HAS_ARG, {(void*)opt_timelimit}, "set max runtime in seconds", "limit" },
4272 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4273 "dump each input packet" },
4274 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4275 "when dumping packets, also dump the payload" },
4276 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4277 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "deprecated, use -loop" },
4278 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "deprecated, use -loop", "" },
4279 { "v", HAS_ARG, {(void*)opt_verbose}, "set the verbosity level", "number" },
4280 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4281 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4282 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4283 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4284 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
4285 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4286 { "copytb", OPT_BOOL | OPT_EXPERT, {(void*)©_tb}, "copy input stream time base when stream copying" },
4287 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4288 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
4289 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
4290 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
4291 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
4294 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[AVMEDIA_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4295 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4296 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4297 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4298 { "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" },
4299 { "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" },
4300 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4301 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4302 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4303 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop}, "Removed, use the crop filter instead", "size" },
4304 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4305 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4306 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4307 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "size" },
4308 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad}, "Removed, use the pad filter instead", "color" },
4309 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4310 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4311 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4312 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
4313 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4314 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4315 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
4316 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4317 { "same_quant", OPT_BOOL | OPT_VIDEO, {(void*)&same_quant}, "use same quantizer as source (implies VBR)" },
4318 { "pass", HAS_ARG | OPT_VIDEO, {(void*)opt_pass}, "select the pass number (1 or 2)", "n" },
4319 { "passlogfile", HAS_ARG | OPT_VIDEO, {(void*)&opt_passlogfile}, "select two pass log file name prefix", "prefix" },
4320 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4321 "deinterlace pictures" },
4322 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4323 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
4324 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
4326 { "vf", OPT_STRING | HAS_ARG, {(void*)&vfilters}, "video filters", "filter list" },
4328 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4329 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4330 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4331 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4332 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_codec_tag}, "force video tag/fourcc", "fourcc/tag" },
4333 { "vlang", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void *)&video_language}, "set the ISO 639 language code (3 letters) of the current video stream" , "code" },
4334 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4335 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
4336 { "streamid", HAS_ARG | OPT_EXPERT, {(void*)opt_streamid}, "set the value of an outfile streamid", "streamIndex:value" },
4337 { "force_key_frames", OPT_STRING | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void *)&forced_key_frames}, "force key frames at specified timestamps", "timestamps" },
4340 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[AVMEDIA_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4341 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4342 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4343 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4344 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4345 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4346 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_codec_tag}, "force audio tag/fourcc", "fourcc/tag" },
4347 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4348 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4349 { "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" },
4351 /* subtitle options */
4352 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
4353 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4354 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4355 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_codec_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
4358 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "deprecated, use -channel", "channel" },
4359 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "deprecated, use -standard", "standard" },
4360 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
4363 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4364 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4366 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4367 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4368 { "sbsf", HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
4370 /* data codec support */
4371 { "dcodec", HAS_ARG | OPT_DATA, {(void*)opt_data_codec}, "force data codec ('copy' to copy stream)", "codec" },
4373 { "default", HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4377 int main(int argc, char **argv)
4381 av_log_set_flags(AV_LOG_SKIP_REPEATED);
4383 if(argc>1 && !strcmp(argv[1], "-d")){
4386 av_log_set_callback(log_callback_null);
4391 avcodec_register_all();
4393 avdevice_register_all();
4396 avfilter_register_all();
4401 if(isatty(STDIN_FILENO))
4402 avio_set_interrupt_cb(decode_interrupt_cb);
4411 parse_options(argc, argv, options, opt_output_file);
4413 if(nb_output_files <= 0 && nb_input_files == 0) {
4415 fprintf(stderr, "Use -h to get full help or, even better, run 'man %s'\n", program_name);
4419 /* file converter / grab */
4420 if (nb_output_files <= 0) {
4421 fprintf(stderr, "At least one output file must be specified\n");
4425 if (nb_input_files == 0) {
4426 fprintf(stderr, "At least one input file must be specified\n");
4431 if (transcode(output_files, nb_output_files, input_files, nb_input_files) < 0)
4433 ti = getutime() - ti;
4435 int maxrss = getmaxrss() / 1024;
4436 printf("bench: utime=%0.3fs maxrss=%ikB\n", ti / 1000000.0, maxrss);
4439 return exit_program(0);