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
22 /* needed for usleep() */
23 #define _XOPEN_SOURCE 600
34 #include "libavformat/avformat.h"
35 #include "libavdevice/avdevice.h"
36 #include "libswscale/swscale.h"
37 #include "libavcodec/opt.h"
38 #include "libavcodec/audioconvert.h"
39 #include "libavcodec/colorspace.h"
40 #include "libavutil/fifo.h"
41 #include "libavutil/avstring.h"
42 #include "libavformat/os_support.h"
44 #if HAVE_SYS_RESOURCE_H
45 #include <sys/types.h>
46 #include <sys/resource.h>
47 #elif HAVE_GETPROCESSTIMES
52 #include <sys/select.h>
57 #include <sys/ioctl.h>
63 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
73 const char program_name[] = "FFmpeg";
74 const int program_birth_year = 2000;
76 /* select an input stream for an output stream */
77 typedef struct AVStreamMap {
81 int sync_stream_index;
84 /** select an input file for an output file */
85 typedef struct AVMetaDataMap {
90 static const OptionDef options[];
94 static AVFormatContext *input_files[MAX_FILES];
95 static int64_t input_files_ts_offset[MAX_FILES];
96 static double input_files_ts_scale[MAX_FILES][MAX_STREAMS];
97 static AVCodec *input_codecs[MAX_FILES*MAX_STREAMS];
98 static int nb_input_files = 0;
99 static int nb_icodecs;
101 static AVFormatContext *output_files[MAX_FILES];
102 static AVCodec *output_codecs[MAX_FILES*MAX_STREAMS];
103 static int nb_output_files = 0;
104 static int nb_ocodecs;
106 static AVStreamMap stream_maps[MAX_FILES*MAX_STREAMS];
107 static int nb_stream_maps;
109 static AVMetaDataMap meta_data_maps[MAX_FILES];
110 static int nb_meta_data_maps;
112 static AVInputFormat *file_iformat;
113 static AVOutputFormat *file_oformat;
114 static int frame_width = 0;
115 static int frame_height = 0;
116 static float frame_aspect_ratio = 0;
117 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
118 static enum SampleFormat audio_sample_fmt = SAMPLE_FMT_NONE;
119 static int frame_padtop = 0;
120 static int frame_padbottom = 0;
121 static int frame_padleft = 0;
122 static int frame_padright = 0;
123 static int padcolor[3] = {16,128,128}; /* default to black */
124 static int frame_topBand = 0;
125 static int frame_bottomBand = 0;
126 static int frame_leftBand = 0;
127 static int frame_rightBand = 0;
128 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
129 static AVRational frame_rate;
130 static float video_qscale = 0;
131 static uint16_t *intra_matrix = NULL;
132 static uint16_t *inter_matrix = NULL;
133 static const char *video_rc_override_string=NULL;
134 static int video_disable = 0;
135 static int video_discard = 0;
136 static char *video_codec_name = NULL;
137 static int video_codec_tag = 0;
138 static int same_quality = 0;
139 static int do_deinterlace = 0;
140 static int top_field_first = -1;
141 static int me_threshold = 0;
142 static int intra_dc_precision = 8;
143 static int loop_input = 0;
144 static int loop_output = AVFMT_NOOUTPUTLOOP;
145 static int qp_hist = 0;
147 static int intra_only = 0;
148 static int audio_sample_rate = 44100;
149 static int64_t channel_layout = 0;
150 #define QSCALE_NONE -99999
151 static float audio_qscale = QSCALE_NONE;
152 static int audio_disable = 0;
153 static int audio_channels = 1;
154 static char *audio_codec_name = NULL;
155 static int audio_codec_tag = 0;
156 static char *audio_language = NULL;
158 static int subtitle_disable = 0;
159 static char *subtitle_codec_name = NULL;
160 static char *subtitle_language = NULL;
161 static int subtitle_codec_tag = 0;
163 static float mux_preload= 0.5;
164 static float mux_max_delay= 0.7;
166 static int64_t recording_time = INT64_MAX;
167 static int64_t start_time = 0;
168 static int64_t rec_timestamp = 0;
169 static int64_t input_ts_offset = 0;
170 static int file_overwrite = 0;
171 static int metadata_count;
172 static AVMetadataTag *metadata;
173 static int do_benchmark = 0;
174 static int do_hex_dump = 0;
175 static int do_pkt_dump = 0;
176 static int do_psnr = 0;
177 static int do_pass = 0;
178 static char *pass_logfilename_prefix = NULL;
179 static int audio_stream_copy = 0;
180 static int video_stream_copy = 0;
181 static int subtitle_stream_copy = 0;
182 static int video_sync_method= -1;
183 static int audio_sync_method= 0;
184 static float audio_drift_threshold= 0.1;
185 static int copy_ts= 0;
186 static int opt_shortest = 0;
187 static int video_global_header = 0;
188 static char *vstats_filename;
189 static FILE *vstats_file;
190 static int opt_programid = 0;
191 static int copy_initial_nonkeyframes = 0;
193 static int rate_emu = 0;
195 static int video_channel = 0;
196 static char *video_standard;
198 static int audio_volume = 256;
200 static int exit_on_error = 0;
201 static int using_stdin = 0;
202 static int verbose = 1;
203 static int thread_count= 1;
204 static int q_pressed = 0;
205 static int64_t video_size = 0;
206 static int64_t audio_size = 0;
207 static int64_t extra_size = 0;
208 static int nb_frames_dup = 0;
209 static int nb_frames_drop = 0;
210 static int input_sync;
211 static uint64_t limit_filesize = 0;
212 static int force_fps = 0;
214 static int pgmyuv_compatibility_hack=0;
215 static float dts_delta_threshold = 10;
217 static unsigned int sws_flags = SWS_BICUBIC;
219 static int64_t timer_start;
221 static uint8_t *audio_buf;
222 static uint8_t *audio_out;
223 static uint8_t *audio_out2;
225 static short *samples;
227 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
228 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
229 static AVBitStreamFilterContext *subtitle_bitstream_filters=NULL;
230 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
232 #define DEFAULT_PASS_LOGFILENAME_PREFIX "ffmpeg2pass"
234 struct AVInputStream;
236 typedef struct AVOutputStream {
237 int file_index; /* file index */
238 int index; /* stream index in the output file */
239 int source_index; /* AVInputStream index */
240 AVStream *st; /* stream in the output file */
241 int encoding_needed; /* true if encoding needed for this stream */
243 /* input pts and corresponding output pts
245 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
246 struct AVInputStream *sync_ist; /* input stream to sync against */
247 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
250 AVFrame pict_tmp; /* temporary image for resampling */
251 struct SwsContext *img_resample_ctx; /* for image resampling */
254 int resample_pix_fmt;
256 /* full frame size of first frame */
260 /* cropping area sizes */
267 /* cropping area of first frame */
268 int original_topBand;
269 int original_bottomBand;
270 int original_leftBand;
271 int original_rightBand;
273 /* padding area sizes */
282 ReSampleContext *resample; /* for audio resampling */
284 AVAudioConvert *reformat_ctx;
285 AVFifoBuffer *fifo; /* for compression: one audio fifo per codec */
289 typedef struct AVInputStream {
293 int discard; /* true if stream data should be discarded */
294 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
295 int64_t sample_index; /* current sample */
297 int64_t start; /* time when read started */
298 int64_t next_pts; /* synthetic pts for cases where pkt.pts
300 int64_t pts; /* current pts */
301 int is_start; /* is 1 at the start and after a discontinuity */
304 typedef struct AVInputFile {
305 int eof_reached; /* true if eof reached */
306 int ist_index; /* index of first stream in ist_table */
307 int buffer_size; /* current total buffer size */
308 int nb_streams; /* nb streams we are aware of */
313 /* init terminal so that we can grab keys */
314 static struct termios oldtty;
317 static void term_exit(void)
320 tcsetattr (0, TCSANOW, &oldtty);
324 static volatile int received_sigterm = 0;
327 sigterm_handler(int sig)
329 received_sigterm = sig;
333 static void term_init(void)
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
351 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
354 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
355 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
357 register a function to be called at normal program termination
360 #if CONFIG_BEOS_NETSERVER
361 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
365 /* read a key without blocking */
366 static int read_key(void)
371 #if !CONFIG_BEOS_NETSERVER
379 n = select(1, &rfds, NULL, NULL, &tv);
395 static int decode_interrupt_cb(void)
397 return q_pressed || (q_pressed = read_key() == 'q');
400 static int av_exit(int ret)
405 for(i=0;i<nb_output_files;i++) {
406 /* maybe av_close_output_file ??? */
407 AVFormatContext *s = output_files[i];
409 if (!(s->oformat->flags & AVFMT_NOFILE) && s->pb)
411 for(j=0;j<s->nb_streams;j++) {
412 av_metadata_free(&s->streams[j]->metadata);
413 av_free(s->streams[j]->codec);
414 av_free(s->streams[j]);
416 for(j=0;j<s->nb_programs;j++) {
417 av_metadata_free(&s->programs[j]->metadata);
419 for(j=0;j<s->nb_chapters;j++) {
420 av_metadata_free(&s->chapters[j]->metadata);
422 av_metadata_free(&s->metadata);
425 for(i=0;i<nb_input_files;i++)
426 av_close_input_file(input_files[i]);
428 av_free(intra_matrix);
429 av_free(inter_matrix);
433 av_free(vstats_filename);
437 av_free(video_codec_name);
438 av_free(audio_codec_name);
439 av_free(subtitle_codec_name);
441 av_free(video_standard);
443 #if CONFIG_POWERPC_PERF
444 void powerpc_display_perf_report(void);
445 powerpc_display_perf_report();
446 #endif /* CONFIG_POWERPC_PERF */
448 for (i=0;i<CODEC_TYPE_NB;i++)
449 av_free(avcodec_opts[i]);
450 av_free(avformat_opts);
457 if (received_sigterm) {
459 "Received signal %d: terminating.\n",
460 (int) received_sigterm);
464 exit(ret); /* not all OS-es handle main() return value */
468 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
474 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
477 /* copy stream format */
478 s->nb_streams = ic->nb_streams;
479 for(i=0;i<ic->nb_streams;i++) {
482 // FIXME: a more elegant solution is needed
483 st = av_mallocz(sizeof(AVStream));
484 memcpy(st, ic->streams[i], sizeof(AVStream));
485 st->codec = avcodec_alloc_context();
486 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
489 if (st->codec->codec_type == CODEC_TYPE_AUDIO && audio_stream_copy)
491 else if (st->codec->codec_type == CODEC_TYPE_VIDEO && video_stream_copy)
494 if(!st->codec->thread_count)
495 st->codec->thread_count = 1;
496 if(st->codec->thread_count>1)
497 avcodec_thread_init(st->codec, st->codec->thread_count);
499 if(st->codec->flags & CODEC_FLAG_BITEXACT)
504 s->timestamp = av_gettime();
506 av_close_input_file(ic);
511 get_sync_ipts(const AVOutputStream *ost)
513 const AVInputStream *ist = ost->sync_ist;
514 return (double)(ist->pts - start_time)/AV_TIME_BASE;
517 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
521 AVPacket new_pkt= *pkt;
522 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
523 &new_pkt.data, &new_pkt.size,
524 pkt->data, pkt->size,
525 pkt->flags & PKT_FLAG_KEY);
528 new_pkt.destruct= av_destruct_packet;
530 fprintf(stderr, "%s failed for stream %d, codec %s",
531 bsfc->filter->name, pkt->stream_index,
532 avctx->codec ? avctx->codec->name : "copy");
542 ret= av_interleaved_write_frame(s, pkt);
544 print_error("av_interleaved_write_frame()", ret);
549 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
551 static void do_audio_out(AVFormatContext *s,
554 unsigned char *buf, int size)
557 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
559 int size_out, frame_bytes, ret;
560 AVCodecContext *enc= ost->st->codec;
561 AVCodecContext *dec= ist->st->codec;
562 int osize= av_get_bits_per_sample_format(enc->sample_fmt)/8;
563 int isize= av_get_bits_per_sample_format(dec->sample_fmt)/8;
565 /* SC: dynamic allocation of buffers */
567 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
569 audio_out = av_malloc(audio_out_size);
570 if (!audio_buf || !audio_out)
571 return; /* Should signal an error ! */
573 if (enc->channels != dec->channels)
574 ost->audio_resample = 1;
576 if (ost->audio_resample && !ost->resample) {
577 if (dec->sample_fmt != SAMPLE_FMT_S16)
578 fprintf(stderr, "Warning, using s16 intermediate sample format for resampling\n");
579 ost->resample = av_audio_resample_init(enc->channels, dec->channels,
580 enc->sample_rate, dec->sample_rate,
581 enc->sample_fmt, dec->sample_fmt,
583 if (!ost->resample) {
584 fprintf(stderr, "Can not resample %d channels @ %d Hz to %d channels @ %d Hz\n",
585 dec->channels, dec->sample_rate,
586 enc->channels, enc->sample_rate);
591 #define MAKE_SFMT_PAIR(a,b) ((a)+SAMPLE_FMT_NB*(b))
592 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt &&
593 MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt)!=ost->reformat_pair) {
595 audio_out2 = av_malloc(audio_out_size);
598 if (ost->reformat_ctx)
599 av_audio_convert_free(ost->reformat_ctx);
600 ost->reformat_ctx = av_audio_convert_alloc(enc->sample_fmt, 1,
601 dec->sample_fmt, 1, NULL, 0);
602 if (!ost->reformat_ctx) {
603 fprintf(stderr, "Cannot convert %s sample format to %s sample format\n",
604 avcodec_get_sample_fmt_name(dec->sample_fmt),
605 avcodec_get_sample_fmt_name(enc->sample_fmt));
608 ost->reformat_pair=MAKE_SFMT_PAIR(enc->sample_fmt,dec->sample_fmt);
611 if(audio_sync_method){
612 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
613 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2);
614 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
615 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
617 //FIXME resample delay
618 if(fabs(delta) > 50){
619 if(ist->is_start || fabs(delta) > audio_drift_threshold*enc->sample_rate){
621 byte_delta= FFMAX(byte_delta, -size);
625 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
630 static uint8_t *input_tmp= NULL;
631 input_tmp= av_realloc(input_tmp, byte_delta + size);
633 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
636 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
638 memset(input_tmp, 0, byte_delta);
639 memcpy(input_tmp + byte_delta, buf, size);
643 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
645 }else if(audio_sync_method>1){
646 int comp= av_clip(delta, -audio_sync_method, audio_sync_method);
647 assert(ost->audio_resample);
649 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
650 // 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));
651 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
655 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
656 - av_fifo_size(ost->fifo)/(ost->st->codec->channels * 2); //FIXME wrong
658 if (ost->audio_resample) {
660 size_out = audio_resample(ost->resample,
661 (short *)buftmp, (short *)buf,
662 size / (ist->st->codec->channels * isize));
663 size_out = size_out * enc->channels * osize;
669 if (!ost->audio_resample && dec->sample_fmt!=enc->sample_fmt) {
670 const void *ibuf[6]= {buftmp};
671 void *obuf[6]= {audio_out2};
672 int istride[6]= {isize};
673 int ostride[6]= {osize};
674 int len= size_out/istride[0];
675 if (av_audio_convert(ost->reformat_ctx, obuf, ostride, ibuf, istride, len)<0) {
676 printf("av_audio_convert() failed\n");
682 size_out = len*osize;
685 /* now encode as many frames as possible */
686 if (enc->frame_size > 1) {
687 /* output resampled raw samples */
688 if (av_fifo_realloc2(ost->fifo, av_fifo_size(ost->fifo) + size_out) < 0) {
689 fprintf(stderr, "av_fifo_realloc2() failed\n");
692 av_fifo_generic_write(ost->fifo, buftmp, size_out, NULL);
694 frame_bytes = enc->frame_size * osize * enc->channels;
696 while (av_fifo_size(ost->fifo) >= frame_bytes) {
698 av_init_packet(&pkt);
700 av_fifo_generic_read(ost->fifo, audio_buf, frame_bytes, NULL);
702 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
704 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
707 fprintf(stderr, "Audio encoding failed\n");
711 pkt.stream_index= ost->index;
714 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
715 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
716 pkt.flags |= PKT_FLAG_KEY;
717 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
719 ost->sync_opts += enc->frame_size;
723 int coded_bps = av_get_bits_per_sample(enc->codec->id)/8;
724 av_init_packet(&pkt);
726 ost->sync_opts += size_out / (osize * enc->channels);
728 /* output a pcm frame */
729 /* determine the size of the coded buffer */
732 size_out *= coded_bps;
734 //FIXME pass ost->sync_opts as AVFrame.pts in avcodec_encode_audio()
735 ret = avcodec_encode_audio(enc, audio_out, size_out,
738 fprintf(stderr, "Audio encoding failed\n");
742 pkt.stream_index= ost->index;
745 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
746 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
747 pkt.flags |= PKT_FLAG_KEY;
748 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
752 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
756 AVPicture picture_tmp;
759 dec = ist->st->codec;
761 /* deinterlace : must be done before any resize */
762 if (do_deinterlace) {
765 /* create temporary picture */
766 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
767 buf = av_malloc(size);
771 picture2 = &picture_tmp;
772 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
774 if(avpicture_deinterlace(picture2, picture,
775 dec->pix_fmt, dec->width, dec->height) < 0) {
776 /* if error, do not deinterlace */
777 fprintf(stderr, "Deinterlacing failed\n");
786 if (picture != picture2)
787 *picture = *picture2;
791 /* we begin to correct av delay at this threshold */
792 #define AV_DELAY_MAX 0.100
794 static void do_subtitle_out(AVFormatContext *s,
800 static uint8_t *subtitle_out = NULL;
801 int subtitle_out_max_size = 65536;
802 int subtitle_out_size, nb, i;
806 if (pts == AV_NOPTS_VALUE) {
807 fprintf(stderr, "Subtitle packets must have a pts\n");
813 enc = ost->st->codec;
816 subtitle_out = av_malloc(subtitle_out_max_size);
819 /* Note: DVB subtitle need one packet to draw them and one other
820 packet to clear them */
821 /* XXX: signal it in the codec context ? */
822 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
827 for(i = 0; i < nb; i++) {
828 sub->pts = av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q);
829 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
830 subtitle_out_max_size, sub);
831 if (subtitle_out_size < 0) {
832 fprintf(stderr, "Subtitle encoding failed\n");
836 av_init_packet(&pkt);
837 pkt.stream_index = ost->index;
838 pkt.data = subtitle_out;
839 pkt.size = subtitle_out_size;
840 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
841 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
842 /* XXX: the pts correction is handled here. Maybe handling
843 it in the codec would be better */
845 pkt.pts += 90 * sub->start_display_time;
847 pkt.pts += 90 * sub->end_display_time;
849 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
853 static int bit_buffer_size= 1024*256;
854 static uint8_t *bit_buffer= NULL;
856 static void do_video_out(AVFormatContext *s,
862 int nb_frames, i, ret;
863 int64_t topBand, bottomBand, leftBand, rightBand;
864 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
865 AVFrame picture_crop_temp, picture_pad_temp;
866 AVCodecContext *enc, *dec;
868 avcodec_get_frame_defaults(&picture_crop_temp);
869 avcodec_get_frame_defaults(&picture_pad_temp);
871 enc = ost->st->codec;
872 dec = ist->st->codec;
874 /* by default, we output a single frame */
879 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
881 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
882 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
885 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
889 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
890 }else if (vdelta > 1.1)
891 nb_frames = lrintf(vdelta);
892 //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);
896 fprintf(stderr, "*** drop!\n");
897 }else if (nb_frames > 1) {
898 nb_frames_dup += nb_frames;
900 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
903 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
905 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
909 if (ost->video_crop) {
910 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
911 fprintf(stderr, "error cropping picture\n");
916 formatted_picture = &picture_crop_temp;
918 formatted_picture = in_picture;
921 final_picture = formatted_picture;
922 padding_src = formatted_picture;
923 resampling_dst = &ost->pict_tmp;
924 if (ost->video_pad) {
925 final_picture = &ost->pict_tmp;
926 if (ost->video_resample) {
927 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
928 fprintf(stderr, "error padding picture\n");
933 resampling_dst = &picture_pad_temp;
937 if (ost->video_resample) {
939 final_picture = &ost->pict_tmp;
940 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
941 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
942 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
944 fprintf(stderr,"Input Stream #%d.%d frame size changed to %dx%d, %s\n", ist->file_index, ist->index, ist->st->codec->width, ist->st->codec->height,avcodec_get_pix_fmt_name(ist->st->codec->pix_fmt));
945 /* keep bands proportional to the frame size */
946 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
947 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
948 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
949 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
951 /* sanity check to ensure no bad band sizes sneak in */
952 assert(topBand <= INT_MAX && topBand >= 0);
953 assert(bottomBand <= INT_MAX && bottomBand >= 0);
954 assert(leftBand <= INT_MAX && leftBand >= 0);
955 assert(rightBand <= INT_MAX && rightBand >= 0);
957 ost->topBand = topBand;
958 ost->bottomBand = bottomBand;
959 ost->leftBand = leftBand;
960 ost->rightBand = rightBand;
962 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
963 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
964 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
966 /* initialize a new scaler context */
967 sws_freeContext(ost->img_resample_ctx);
968 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
969 ost->img_resample_ctx = sws_getContext(
970 ist->st->codec->width - (ost->leftBand + ost->rightBand),
971 ist->st->codec->height - (ost->topBand + ost->bottomBand),
972 ist->st->codec->pix_fmt,
973 ost->st->codec->width - (ost->padleft + ost->padright),
974 ost->st->codec->height - (ost->padtop + ost->padbottom),
975 ost->st->codec->pix_fmt,
976 sws_flags, NULL, NULL, NULL);
977 if (ost->img_resample_ctx == NULL) {
978 fprintf(stderr, "Cannot get resampling context\n");
982 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
983 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
986 if (ost->video_pad) {
987 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
988 enc->height, enc->width, enc->pix_fmt,
989 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
992 /* duplicates frame if needed */
993 for(i=0;i<nb_frames;i++) {
995 av_init_packet(&pkt);
996 pkt.stream_index= ost->index;
998 if (s->oformat->flags & AVFMT_RAWPICTURE) {
999 /* raw pictures are written as AVPicture structure to
1000 avoid any copies. We support temorarily the older
1002 AVFrame* old_frame = enc->coded_frame;
1003 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1004 pkt.data= (uint8_t *)final_picture;
1005 pkt.size= sizeof(AVPicture);
1006 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1007 pkt.flags |= PKT_FLAG_KEY;
1009 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1010 enc->coded_frame = old_frame;
1012 AVFrame big_picture;
1014 big_picture= *final_picture;
1015 /* better than nothing: use input picture interlaced
1017 big_picture.interlaced_frame = in_picture->interlaced_frame;
1018 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1019 if(top_field_first == -1)
1020 big_picture.top_field_first = in_picture->top_field_first;
1022 big_picture.top_field_first = top_field_first;
1025 /* handles sameq here. This is not correct because it may
1026 not be a global option */
1028 big_picture.quality = ist->st->quality;
1030 big_picture.quality = ost->st->quality;
1032 big_picture.pict_type = 0;
1033 // big_picture.pts = AV_NOPTS_VALUE;
1034 big_picture.pts= ost->sync_opts;
1035 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1036 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1037 ret = avcodec_encode_video(enc,
1038 bit_buffer, bit_buffer_size,
1041 fprintf(stderr, "Video encoding failed\n");
1046 pkt.data= bit_buffer;
1048 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1049 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1050 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1051 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1052 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1054 if(enc->coded_frame->key_frame)
1055 pkt.flags |= PKT_FLAG_KEY;
1056 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1059 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1060 // enc->frame_number-1, ret, enc->pict_type);
1061 /* if two pass, output log */
1062 if (ost->logfile && enc->stats_out) {
1063 fprintf(ost->logfile, "%s", enc->stats_out);
1068 ost->frame_number++;
1072 static double psnr(double d){
1073 return -10.0*log(d)/log(10.0);
1076 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1079 AVCodecContext *enc;
1081 double ti1, bitrate, avg_bitrate;
1083 /* this is executed just the first time do_video_stats is called */
1085 vstats_file = fopen(vstats_filename, "w");
1092 enc = ost->st->codec;
1093 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1094 frame_number = ost->frame_number;
1095 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1096 if (enc->flags&CODEC_FLAG_PSNR)
1097 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1099 fprintf(vstats_file,"f_size= %6d ", frame_size);
1100 /* compute pts value */
1101 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1105 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1106 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1107 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1108 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1109 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1113 static void print_report(AVFormatContext **output_files,
1114 AVOutputStream **ost_table, int nb_ostreams,
1118 AVOutputStream *ost;
1119 AVFormatContext *oc;
1121 AVCodecContext *enc;
1122 int frame_number, vid, i;
1123 double bitrate, ti1, pts;
1124 static int64_t last_time = -1;
1125 static int qp_histogram[52];
1127 if (!is_last_report) {
1129 /* display the report every 0.5 seconds */
1130 cur_time = av_gettime();
1131 if (last_time == -1) {
1132 last_time = cur_time;
1135 if ((cur_time - last_time) < 500000)
1137 last_time = cur_time;
1141 oc = output_files[0];
1143 total_size = url_fsize(oc->pb);
1144 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1145 total_size= url_ftell(oc->pb);
1150 for(i=0;i<nb_ostreams;i++) {
1152 enc = ost->st->codec;
1153 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1154 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1155 !ost->st->stream_copy ?
1156 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1158 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1159 float t = (av_gettime()-timer_start) / 1000000.0;
1161 frame_number = ost->frame_number;
1162 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1163 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1164 !ost->st->stream_copy ?
1165 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1167 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1170 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1171 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1174 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1176 if (enc->flags&CODEC_FLAG_PSNR){
1178 double error, error_sum=0;
1179 double scale, scale_sum=0;
1180 char type[3]= {'Y','U','V'};
1181 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1184 error= enc->error[j];
1185 scale= enc->width*enc->height*255.0*255.0*frame_number;
1187 error= enc->coded_frame->error[j];
1188 scale= enc->width*enc->height*255.0*255.0;
1193 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1195 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1199 /* compute min output value */
1200 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1201 if ((pts < ti1) && (pts > 0))
1207 if (verbose || is_last_report) {
1208 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1210 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1211 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1212 (double)total_size / 1024, ti1, bitrate);
1215 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1216 nb_frames_dup, nb_frames_drop);
1219 fprintf(stderr, "%s \r", buf);
1224 if (is_last_report && verbose >= 0){
1225 int64_t raw= audio_size + video_size + extra_size;
1226 fprintf(stderr, "\n");
1227 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1231 100.0*(total_size - raw)/raw
1236 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1237 static int output_packet(AVInputStream *ist, int ist_index,
1238 AVOutputStream **ost_table, int nb_ostreams,
1239 const AVPacket *pkt)
1241 AVFormatContext *os;
1242 AVOutputStream *ost;
1245 int data_size, got_picture;
1247 void *buffer_to_free;
1248 static unsigned int samples_size= 0;
1249 AVSubtitle subtitle, *subtitle_to_free;
1253 if(ist->next_pts == AV_NOPTS_VALUE)
1254 ist->next_pts= ist->pts;
1258 av_init_packet(&avpkt);
1266 if(pkt->dts != AV_NOPTS_VALUE)
1267 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1269 //while we have more to decode or while the decoder did output something on EOF
1270 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1272 ist->pts= ist->next_pts;
1274 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1275 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1277 /* decode the packet if needed */
1278 data_buf = NULL; /* fail safe */
1280 subtitle_to_free = NULL;
1281 if (ist->decoding_needed) {
1282 switch(ist->st->codec->codec_type) {
1283 case CODEC_TYPE_AUDIO:{
1284 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1285 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1287 samples= av_malloc(samples_size);
1289 data_size= samples_size;
1290 /* XXX: could avoid copy if PCM 16 bits with same
1291 endianness as CPU */
1292 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1298 /* Some bug in mpeg audio decoder gives */
1299 /* data_size < 0, it seems they are overflows */
1300 if (data_size <= 0) {
1301 /* no audio frame */
1304 data_buf = (uint8_t *)samples;
1305 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1306 (ist->st->codec->sample_rate * ist->st->codec->channels);
1308 case CODEC_TYPE_VIDEO:
1309 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1310 /* XXX: allocate picture correctly */
1311 avcodec_get_frame_defaults(&picture);
1313 ret = avcodec_decode_video2(ist->st->codec,
1314 &picture, &got_picture, &avpkt);
1315 ist->st->quality= picture.quality;
1319 /* no picture yet */
1320 goto discard_packet;
1322 if (ist->st->codec->time_base.num != 0) {
1323 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1324 ist->next_pts += ((int64_t)AV_TIME_BASE *
1325 ist->st->codec->time_base.num * ticks) /
1326 ist->st->codec->time_base.den;
1330 case CODEC_TYPE_SUBTITLE:
1331 ret = avcodec_decode_subtitle2(ist->st->codec,
1332 &subtitle, &got_subtitle, &avpkt);
1335 if (!got_subtitle) {
1336 goto discard_packet;
1338 subtitle_to_free = &subtitle;
1345 switch(ist->st->codec->codec_type) {
1346 case CODEC_TYPE_AUDIO:
1347 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1348 ist->st->codec->sample_rate;
1350 case CODEC_TYPE_VIDEO:
1351 if (ist->st->codec->time_base.num != 0) {
1352 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1353 ist->next_pts += ((int64_t)AV_TIME_BASE *
1354 ist->st->codec->time_base.num * ticks) /
1355 ist->st->codec->time_base.den;
1359 data_buf = avpkt.data;
1360 data_size = avpkt.size;
1365 buffer_to_free = NULL;
1366 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1367 pre_process_video_frame(ist, (AVPicture *)&picture,
1371 // preprocess audio (volume)
1372 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1373 if (audio_volume != 256) {
1376 for(i=0;i<(data_size / sizeof(short));i++) {
1377 int v = ((*volp) * audio_volume + 128) >> 8;
1378 if (v < -32768) v = -32768;
1379 if (v > 32767) v = 32767;
1385 /* frame rate emulation */
1387 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1388 int64_t now = av_gettime() - ist->start;
1393 /* if output time reached then transcode raw format,
1394 encode packets and output them */
1395 if (start_time == 0 || ist->pts >= start_time)
1396 for(i=0;i<nb_ostreams;i++) {
1400 if (ost->source_index == ist_index) {
1401 os = output_files[ost->file_index];
1403 /* set the input output pts pairs */
1404 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1406 if (ost->encoding_needed) {
1407 switch(ost->st->codec->codec_type) {
1408 case CODEC_TYPE_AUDIO:
1409 do_audio_out(os, ost, ist, data_buf, data_size);
1411 case CODEC_TYPE_VIDEO:
1412 do_video_out(os, ost, ist, &picture, &frame_size);
1413 if (vstats_filename && frame_size)
1414 do_video_stats(os, ost, frame_size);
1416 case CODEC_TYPE_SUBTITLE:
1417 do_subtitle_out(os, ost, ist, &subtitle,
1424 AVFrame avframe; //FIXME/XXX remove this
1426 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1428 av_init_packet(&opkt);
1430 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1433 /* no reencoding needed : output the packet directly */
1434 /* force the input stream PTS */
1436 avcodec_get_frame_defaults(&avframe);
1437 ost->st->codec->coded_frame= &avframe;
1438 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1440 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1441 audio_size += data_size;
1442 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1443 video_size += data_size;
1447 opkt.stream_index= ost->index;
1448 if(pkt->pts != AV_NOPTS_VALUE)
1449 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1451 opkt.pts= AV_NOPTS_VALUE;
1453 if (pkt->dts == AV_NOPTS_VALUE)
1454 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1456 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1457 opkt.dts -= ost_tb_start_time;
1459 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1460 opkt.flags= pkt->flags;
1462 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1463 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1464 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1465 opkt.destruct= av_destruct_packet;
1467 opkt.data = data_buf;
1468 opkt.size = data_size;
1471 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1472 ost->st->codec->frame_number++;
1473 ost->frame_number++;
1474 av_free_packet(&opkt);
1478 av_free(buffer_to_free);
1479 /* XXX: allocate the subtitles in the codec ? */
1480 if (subtitle_to_free) {
1481 if (subtitle_to_free->rects != NULL) {
1482 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1483 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1484 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1485 av_freep(&subtitle_to_free->rects[i]);
1487 av_freep(&subtitle_to_free->rects);
1489 subtitle_to_free->num_rects = 0;
1490 subtitle_to_free = NULL;
1497 for(i=0;i<nb_ostreams;i++) {
1499 if (ost->source_index == ist_index) {
1500 AVCodecContext *enc= ost->st->codec;
1501 os = output_files[ost->file_index];
1503 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1505 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1508 if (ost->encoding_needed) {
1512 av_init_packet(&pkt);
1513 pkt.stream_index= ost->index;
1515 switch(ost->st->codec->codec_type) {
1516 case CODEC_TYPE_AUDIO:
1517 fifo_bytes = av_fifo_size(ost->fifo);
1519 /* encode any samples remaining in fifo */
1520 if (fifo_bytes > 0) {
1521 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1522 int fs_tmp = enc->frame_size;
1524 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1525 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1526 enc->frame_size = fifo_bytes / (osize * enc->channels);
1528 int frame_bytes = enc->frame_size*osize*enc->channels;
1529 if (samples_size < frame_bytes)
1531 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1534 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1535 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1536 ost->st->time_base.num, enc->sample_rate);
1537 enc->frame_size = fs_tmp;
1540 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1543 fprintf(stderr, "Audio encoding failed\n");
1547 pkt.flags |= PKT_FLAG_KEY;
1549 case CODEC_TYPE_VIDEO:
1550 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1552 fprintf(stderr, "Video encoding failed\n");
1556 if(enc->coded_frame && enc->coded_frame->key_frame)
1557 pkt.flags |= PKT_FLAG_KEY;
1558 if (ost->logfile && enc->stats_out) {
1559 fprintf(ost->logfile, "%s", enc->stats_out);
1568 pkt.data= bit_buffer;
1570 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1571 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1572 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1584 static void print_sdp(AVFormatContext **avc, int n)
1588 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1589 printf("SDP:\n%s\n", sdp);
1593 static int stream_index_from_inputs(AVFormatContext **input_files,
1595 AVInputFile *file_table,
1596 AVInputStream **ist_table,
1597 enum CodecType type,
1601 for(z=0; z<nb_input_files; z++) {
1602 AVFormatContext *ic = input_files[z];
1603 for(p=0; p<ic->nb_programs; p++) {
1604 AVProgram *program = ic->programs[p];
1605 if(program->id != programid)
1607 for(q=0; q<program->nb_stream_indexes; q++) {
1608 int sidx = program->stream_index[q];
1609 int ris = file_table[z].ist_index + sidx;
1610 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1620 * The following code is the main loop of the file converter
1622 static int av_encode(AVFormatContext **output_files,
1623 int nb_output_files,
1624 AVFormatContext **input_files,
1626 AVStreamMap *stream_maps, int nb_stream_maps)
1628 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1629 AVFormatContext *is, *os;
1630 AVCodecContext *codec, *icodec;
1631 AVOutputStream *ost, **ost_table = NULL;
1632 AVInputStream *ist, **ist_table = NULL;
1633 AVInputFile *file_table;
1637 uint8_t no_packet[MAX_FILES]={0};
1638 int no_packet_count=0;
1640 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1644 /* input stream init */
1646 for(i=0;i<nb_input_files;i++) {
1647 is = input_files[i];
1648 file_table[i].ist_index = j;
1649 file_table[i].nb_streams = is->nb_streams;
1650 j += is->nb_streams;
1654 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1658 for(i=0;i<nb_istreams;i++) {
1659 ist = av_mallocz(sizeof(AVInputStream));
1665 for(i=0;i<nb_input_files;i++) {
1666 is = input_files[i];
1667 for(k=0;k<is->nb_streams;k++) {
1668 ist = ist_table[j++];
1669 ist->st = is->streams[k];
1670 ist->file_index = i;
1672 ist->discard = 1; /* the stream is discarded by default
1676 ist->start = av_gettime();
1681 /* output stream init */
1683 for(i=0;i<nb_output_files;i++) {
1684 os = output_files[i];
1685 if (!os->nb_streams) {
1686 dump_format(output_files[i], i, output_files[i]->filename, 1);
1687 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1690 nb_ostreams += os->nb_streams;
1692 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1693 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1697 /* Sanity check the mapping args -- do the input files & streams exist? */
1698 for(i=0;i<nb_stream_maps;i++) {
1699 int fi = stream_maps[i].file_index;
1700 int si = stream_maps[i].stream_index;
1702 if (fi < 0 || fi > nb_input_files - 1 ||
1703 si < 0 || si > file_table[fi].nb_streams - 1) {
1704 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1707 fi = stream_maps[i].sync_file_index;
1708 si = stream_maps[i].sync_stream_index;
1709 if (fi < 0 || fi > nb_input_files - 1 ||
1710 si < 0 || si > file_table[fi].nb_streams - 1) {
1711 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1716 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1719 for(i=0;i<nb_ostreams;i++) {
1720 ost = av_mallocz(sizeof(AVOutputStream));
1727 for(k=0;k<nb_output_files;k++) {
1728 os = output_files[k];
1729 for(i=0;i<os->nb_streams;i++,n++) {
1732 ost->file_index = k;
1734 ost->st = os->streams[i];
1735 if (nb_stream_maps > 0) {
1736 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1737 stream_maps[n].stream_index;
1739 /* Sanity check that the stream types match */
1740 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1741 int i= ost->file_index;
1742 dump_format(output_files[i], i, output_files[i]->filename, 1);
1743 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1744 stream_maps[n].file_index, stream_maps[n].stream_index,
1745 ost->file_index, ost->index);
1752 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1754 ost->source_index = j;
1758 /* get corresponding input stream index : we select the first one with the right type */
1760 for(j=0;j<nb_istreams;j++) {
1763 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1764 ost->source_index = j;
1772 if(! opt_programid) {
1773 /* try again and reuse existing stream */
1774 for(j=0;j<nb_istreams;j++) {
1776 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1777 ost->source_index = j;
1783 int i= ost->file_index;
1784 dump_format(output_files[i], i, output_files[i]->filename, 1);
1785 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1786 ost->file_index, ost->index);
1791 ist = ist_table[ost->source_index];
1793 ost->sync_ist = (nb_stream_maps > 0) ?
1794 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1795 stream_maps[n].sync_stream_index] : ist;
1799 /* for each output stream, we compute the right encoding parameters */
1800 for(i=0;i<nb_ostreams;i++) {
1801 AVMetadataTag *lang;
1803 os = output_files[ost->file_index];
1804 ist = ist_table[ost->source_index];
1806 codec = ost->st->codec;
1807 icodec = ist->st->codec;
1809 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1810 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1811 av_metadata_set(&ost->st->metadata, "language", lang->value);
1813 ost->st->disposition = ist->st->disposition;
1814 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1815 codec->chroma_sample_location = icodec->chroma_sample_location;
1817 if (ost->st->stream_copy) {
1818 /* if stream_copy is selected, no need to decode or encode */
1819 codec->codec_id = icodec->codec_id;
1820 codec->codec_type = icodec->codec_type;
1822 if(!codec->codec_tag){
1823 if( !os->oformat->codec_tag
1824 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1825 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1826 codec->codec_tag = icodec->codec_tag;
1829 codec->bit_rate = icodec->bit_rate;
1830 codec->extradata= icodec->extradata;
1831 codec->extradata_size= icodec->extradata_size;
1832 if(av_q2d(icodec->time_base)*icodec->ticks_per_frame > av_q2d(ist->st->time_base) && av_q2d(ist->st->time_base) < 1.0/1000){
1833 codec->time_base = icodec->time_base;
1834 codec->time_base.num *= icodec->ticks_per_frame;
1836 codec->time_base = ist->st->time_base;
1837 switch(codec->codec_type) {
1838 case CODEC_TYPE_AUDIO:
1839 if(audio_volume != 256) {
1840 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1843 codec->channel_layout = icodec->channel_layout;
1844 codec->sample_rate = icodec->sample_rate;
1845 codec->channels = icodec->channels;
1846 codec->frame_size = icodec->frame_size;
1847 codec->block_align= icodec->block_align;
1848 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1849 codec->block_align= 0;
1850 if(codec->codec_id == CODEC_ID_AC3)
1851 codec->block_align= 0;
1853 case CODEC_TYPE_VIDEO:
1854 codec->pix_fmt = icodec->pix_fmt;
1855 codec->width = icodec->width;
1856 codec->height = icodec->height;
1857 codec->has_b_frames = icodec->has_b_frames;
1859 case CODEC_TYPE_SUBTITLE:
1860 codec->width = icodec->width;
1861 codec->height = icodec->height;
1867 switch(codec->codec_type) {
1868 case CODEC_TYPE_AUDIO:
1869 ost->fifo= av_fifo_alloc(1024);
1872 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1873 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1874 icodec->request_channels = codec->channels;
1875 ist->decoding_needed = 1;
1876 ost->encoding_needed = 1;
1878 case CODEC_TYPE_VIDEO:
1879 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1880 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1883 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1884 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1885 ost->video_resample = ((codec->width != icodec->width -
1886 (frame_leftBand + frame_rightBand) +
1887 (frame_padleft + frame_padright)) ||
1888 (codec->height != icodec->height -
1889 (frame_topBand + frame_bottomBand) +
1890 (frame_padtop + frame_padbottom)) ||
1891 (codec->pix_fmt != icodec->pix_fmt));
1892 if (ost->video_crop) {
1893 ost->topBand = ost->original_topBand = frame_topBand;
1894 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1895 ost->leftBand = ost->original_leftBand = frame_leftBand;
1896 ost->rightBand = ost->original_rightBand = frame_rightBand;
1898 if (ost->video_pad) {
1899 ost->padtop = frame_padtop;
1900 ost->padleft = frame_padleft;
1901 ost->padbottom = frame_padbottom;
1902 ost->padright = frame_padright;
1903 if (!ost->video_resample) {
1904 avcodec_get_frame_defaults(&ost->pict_tmp);
1905 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1906 codec->width, codec->height))
1910 if (ost->video_resample) {
1911 avcodec_get_frame_defaults(&ost->pict_tmp);
1912 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1913 codec->width, codec->height)) {
1914 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1917 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1918 ost->img_resample_ctx = sws_getContext(
1919 icodec->width - (frame_leftBand + frame_rightBand),
1920 icodec->height - (frame_topBand + frame_bottomBand),
1922 codec->width - (frame_padleft + frame_padright),
1923 codec->height - (frame_padtop + frame_padbottom),
1925 sws_flags, NULL, NULL, NULL);
1926 if (ost->img_resample_ctx == NULL) {
1927 fprintf(stderr, "Cannot get resampling context\n");
1931 ost->original_height = icodec->height;
1932 ost->original_width = icodec->width;
1934 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1935 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1936 ost->resample_pix_fmt= icodec->pix_fmt;
1937 codec->bits_per_raw_sample= 0;
1939 ost->encoding_needed = 1;
1940 ist->decoding_needed = 1;
1942 case CODEC_TYPE_SUBTITLE:
1943 ost->encoding_needed = 1;
1944 ist->decoding_needed = 1;
1951 if (ost->encoding_needed &&
1952 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1953 char logfilename[1024];
1958 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1959 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1961 if (codec->flags & CODEC_FLAG_PASS1) {
1962 f = fopen(logfilename, "w");
1964 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1969 /* read the log file */
1970 f = fopen(logfilename, "r");
1972 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1975 fseek(f, 0, SEEK_END);
1977 fseek(f, 0, SEEK_SET);
1978 logbuffer = av_malloc(size + 1);
1980 fprintf(stderr, "Could not allocate log buffer\n");
1983 size = fread(logbuffer, 1, size, f);
1985 logbuffer[size] = '\0';
1986 codec->stats_in = logbuffer;
1990 if(codec->codec_type == CODEC_TYPE_VIDEO){
1991 int size= codec->width * codec->height;
1992 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1997 bit_buffer = av_malloc(bit_buffer_size);
1999 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
2001 ret = AVERROR(ENOMEM);
2005 /* open each encoder */
2006 for(i=0;i<nb_ostreams;i++) {
2008 if (ost->encoding_needed) {
2009 AVCodec *codec = output_codecs[i];
2011 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2013 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2014 ost->st->codec->codec_id, ost->file_index, ost->index);
2015 ret = AVERROR(EINVAL);
2018 if (avcodec_open(ost->st->codec, codec) < 0) {
2019 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2020 ost->file_index, ost->index);
2021 ret = AVERROR(EINVAL);
2024 extra_size += ost->st->codec->extradata_size;
2028 /* open each decoder */
2029 for(i=0;i<nb_istreams;i++) {
2031 if (ist->decoding_needed) {
2032 AVCodec *codec = input_codecs[i];
2034 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2036 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2037 ist->st->codec->codec_id, ist->file_index, ist->index);
2038 ret = AVERROR(EINVAL);
2041 if (avcodec_open(ist->st->codec, codec) < 0) {
2042 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2043 ist->file_index, ist->index);
2044 ret = AVERROR(EINVAL);
2047 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2048 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2053 for(i=0;i<nb_istreams;i++) {
2056 ist->next_pts = AV_NOPTS_VALUE;
2060 /* set meta data information from input file if required */
2061 for (i=0;i<nb_meta_data_maps;i++) {
2062 AVFormatContext *out_file;
2063 AVFormatContext *in_file;
2064 AVMetadataTag *mtag;
2066 int out_file_index = meta_data_maps[i].out_file;
2067 int in_file_index = meta_data_maps[i].in_file;
2068 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2069 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2070 out_file_index, out_file_index, in_file_index);
2071 ret = AVERROR(EINVAL);
2074 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2075 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2076 in_file_index, out_file_index, in_file_index);
2077 ret = AVERROR(EINVAL);
2081 out_file = output_files[out_file_index];
2082 in_file = input_files[in_file_index];
2086 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2087 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2088 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2089 in_file->iformat->metadata_conv);
2092 /* open files and write file headers */
2093 for(i=0;i<nb_output_files;i++) {
2094 os = output_files[i];
2095 if (av_write_header(os) < 0) {
2096 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2097 ret = AVERROR(EINVAL);
2100 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2106 /* dump the file output parameters - cannot be done before in case
2108 for(i=0;i<nb_output_files;i++) {
2109 dump_format(output_files[i], i, output_files[i]->filename, 1);
2112 /* dump the stream mapping */
2114 fprintf(stderr, "Stream mapping:\n");
2115 for(i=0;i<nb_ostreams;i++) {
2117 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2118 ist_table[ost->source_index]->file_index,
2119 ist_table[ost->source_index]->index,
2122 if (ost->sync_ist != ist_table[ost->source_index])
2123 fprintf(stderr, " [sync #%d.%d]",
2124 ost->sync_ist->file_index,
2125 ost->sync_ist->index);
2126 fprintf(stderr, "\n");
2131 fprintf(stderr, "%s\n", error);
2136 print_sdp(output_files, nb_output_files);
2139 if (!using_stdin && verbose >= 0) {
2140 fprintf(stderr, "Press [q] to stop encoding\n");
2141 url_set_interrupt_cb(decode_interrupt_cb);
2145 timer_start = av_gettime();
2147 for(; received_sigterm == 0;) {
2148 int file_index, ist_index;
2156 /* if 'q' pressed, exits */
2160 /* read_key() returns 0 on EOF */
2166 /* select the stream that we must read now by looking at the
2167 smallest output pts */
2169 for(i=0;i<nb_ostreams;i++) {
2172 os = output_files[ost->file_index];
2173 ist = ist_table[ost->source_index];
2174 if(no_packet[ist->file_index])
2176 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2177 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2179 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2180 ipts = (double)ist->pts;
2181 if (!file_table[ist->file_index].eof_reached){
2182 if(ipts < ipts_min) {
2184 if(input_sync ) file_index = ist->file_index;
2186 if(opts < opts_min) {
2188 if(!input_sync) file_index = ist->file_index;
2191 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2196 /* if none, if is finished */
2197 if (file_index < 0) {
2198 if(no_packet_count){
2200 memset(no_packet, 0, sizeof(no_packet));
2207 /* finish if recording time exhausted */
2208 if (opts_min >= (recording_time / 1000000.0))
2211 /* finish if limit size exhausted */
2212 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2215 /* read a frame from it and output it in the fifo */
2216 is = input_files[file_index];
2217 ret= av_read_frame(is, &pkt);
2218 if(ret == AVERROR(EAGAIN)){
2219 no_packet[file_index]=1;
2224 file_table[file_index].eof_reached = 1;
2232 memset(no_packet, 0, sizeof(no_packet));
2235 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2237 /* the following test is needed in case new streams appear
2238 dynamically in stream : we ignore them */
2239 if (pkt.stream_index >= file_table[file_index].nb_streams)
2240 goto discard_packet;
2241 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2242 ist = ist_table[ist_index];
2244 goto discard_packet;
2246 if (pkt.dts != AV_NOPTS_VALUE)
2247 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2248 if (pkt.pts != AV_NOPTS_VALUE)
2249 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2251 if(input_files_ts_scale[file_index][pkt.stream_index]){
2252 if(pkt.pts != AV_NOPTS_VALUE)
2253 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2254 if(pkt.dts != AV_NOPTS_VALUE)
2255 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2258 // fprintf(stderr, "next:%"PRId64" dts:%"PRId64" off:%"PRId64" %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec->codec_type);
2259 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2260 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2261 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2262 int64_t delta= pkt_dts - ist->next_pts;
2263 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2264 input_files_ts_offset[ist->file_index]-= delta;
2266 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2267 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2268 if(pkt.pts != AV_NOPTS_VALUE)
2269 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2273 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2274 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2277 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2278 ist->file_index, ist->index);
2281 av_free_packet(&pkt);
2286 av_free_packet(&pkt);
2288 /* dump report by using the output first video and audio streams */
2289 print_report(output_files, ost_table, nb_ostreams, 0);
2292 /* at the end of stream, we must flush the decoder buffers */
2293 for(i=0;i<nb_istreams;i++) {
2295 if (ist->decoding_needed) {
2296 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2302 /* write the trailer if needed and close file */
2303 for(i=0;i<nb_output_files;i++) {
2304 os = output_files[i];
2305 av_write_trailer(os);
2308 /* dump report by using the first video and audio streams */
2309 print_report(output_files, ost_table, nb_ostreams, 1);
2311 /* close each encoder */
2312 for(i=0;i<nb_ostreams;i++) {
2314 if (ost->encoding_needed) {
2315 av_freep(&ost->st->codec->stats_in);
2316 avcodec_close(ost->st->codec);
2320 /* close each decoder */
2321 for(i=0;i<nb_istreams;i++) {
2323 if (ist->decoding_needed) {
2324 avcodec_close(ist->st->codec);
2332 av_freep(&bit_buffer);
2333 av_free(file_table);
2336 for(i=0;i<nb_istreams;i++) {
2343 for(i=0;i<nb_ostreams;i++) {
2347 fclose(ost->logfile);
2348 ost->logfile = NULL;
2350 av_fifo_free(ost->fifo); /* works even if fifo is not
2351 initialized but set to zero */
2352 av_free(ost->pict_tmp.data[0]);
2353 if (ost->video_resample)
2354 sws_freeContext(ost->img_resample_ctx);
2356 audio_resample_close(ost->resample);
2357 if (ost->reformat_ctx)
2358 av_audio_convert_free(ost->reformat_ctx);
2367 static void opt_format(const char *arg)
2369 /* compatibility stuff for pgmyuv */
2370 if (!strcmp(arg, "pgmyuv")) {
2371 pgmyuv_compatibility_hack=1;
2372 // opt_image_format(arg);
2374 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2377 file_iformat = av_find_input_format(arg);
2378 file_oformat = guess_format(arg, NULL, NULL);
2379 if (!file_iformat && !file_oformat) {
2380 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2385 static void opt_video_rc_override_string(const char *arg)
2387 video_rc_override_string = arg;
2390 static int opt_me_threshold(const char *opt, const char *arg)
2392 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2396 static int opt_verbose(const char *opt, const char *arg)
2398 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2402 static int opt_frame_rate(const char *opt, const char *arg)
2404 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2405 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2411 static int opt_bitrate(const char *opt, const char *arg)
2413 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2415 opt_default(opt, arg);
2417 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2418 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2423 static void opt_frame_crop_top(const char *arg)
2425 frame_topBand = atoi(arg);
2426 if (frame_topBand < 0) {
2427 fprintf(stderr, "Incorrect top crop size\n");
2430 if ((frame_topBand) >= frame_height){
2431 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2434 frame_height -= frame_topBand;
2437 static void opt_frame_crop_bottom(const char *arg)
2439 frame_bottomBand = atoi(arg);
2440 if (frame_bottomBand < 0) {
2441 fprintf(stderr, "Incorrect bottom crop size\n");
2444 if ((frame_bottomBand) >= frame_height){
2445 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2448 frame_height -= frame_bottomBand;
2451 static void opt_frame_crop_left(const char *arg)
2453 frame_leftBand = atoi(arg);
2454 if (frame_leftBand < 0) {
2455 fprintf(stderr, "Incorrect left crop size\n");
2458 if ((frame_leftBand) >= frame_width){
2459 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2462 frame_width -= frame_leftBand;
2465 static void opt_frame_crop_right(const char *arg)
2467 frame_rightBand = atoi(arg);
2468 if (frame_rightBand < 0) {
2469 fprintf(stderr, "Incorrect right crop size\n");
2472 if ((frame_rightBand) >= frame_width){
2473 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2476 frame_width -= frame_rightBand;
2479 static void opt_frame_size(const char *arg)
2481 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2482 fprintf(stderr, "Incorrect frame size\n");
2485 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2486 fprintf(stderr, "Frame size must be a multiple of 2\n");
2491 static void opt_pad_color(const char *arg) {
2492 /* Input is expected to be six hex digits similar to
2493 how colors are expressed in html tags (but without the #) */
2494 int rgb = strtol(arg, NULL, 16);
2498 g = ((rgb >> 8) & 255);
2501 padcolor[0] = RGB_TO_Y(r,g,b);
2502 padcolor[1] = RGB_TO_U(r,g,b,0);
2503 padcolor[2] = RGB_TO_V(r,g,b,0);
2506 static void opt_frame_pad_top(const char *arg)
2508 frame_padtop = atoi(arg);
2509 if (frame_padtop < 0) {
2510 fprintf(stderr, "Incorrect top pad size\n");
2515 static void opt_frame_pad_bottom(const char *arg)
2517 frame_padbottom = atoi(arg);
2518 if (frame_padbottom < 0) {
2519 fprintf(stderr, "Incorrect bottom pad size\n");
2525 static void opt_frame_pad_left(const char *arg)
2527 frame_padleft = atoi(arg);
2528 if (frame_padleft < 0) {
2529 fprintf(stderr, "Incorrect left pad size\n");
2535 static void opt_frame_pad_right(const char *arg)
2537 frame_padright = atoi(arg);
2538 if (frame_padright < 0) {
2539 fprintf(stderr, "Incorrect right pad size\n");
2544 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2548 for (i=-1; i < nb_fmts; i++) {
2549 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2550 fprintf(stdout, "%s\n", fmt_str);
2554 static void opt_frame_pix_fmt(const char *arg)
2556 if (strcmp(arg, "list")) {
2557 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2558 if (frame_pix_fmt == PIX_FMT_NONE) {
2559 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2563 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2568 static void opt_frame_aspect_ratio(const char *arg)
2575 p = strchr(arg, ':');
2577 x = strtol(arg, &end, 10);
2579 y = strtol(end+1, &end, 10);
2581 ar = (double)x / (double)y;
2583 ar = strtod(arg, NULL);
2586 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2589 frame_aspect_ratio = ar;
2592 static int opt_metadata(const char *opt, const char *arg)
2594 char *mid= strchr(arg, '=');
2597 fprintf(stderr, "Missing =\n");
2603 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2604 metadata[metadata_count-1].key = av_strdup(arg);
2605 metadata[metadata_count-1].value= av_strdup(mid);
2610 static void opt_qscale(const char *arg)
2612 video_qscale = atof(arg);
2613 if (video_qscale <= 0 ||
2614 video_qscale > 255) {
2615 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2620 static void opt_top_field_first(const char *arg)
2622 top_field_first= atoi(arg);
2625 static int opt_thread_count(const char *opt, const char *arg)
2627 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2630 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2635 static void opt_audio_sample_fmt(const char *arg)
2637 if (strcmp(arg, "list"))
2638 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2640 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2645 static int opt_audio_rate(const char *opt, const char *arg)
2647 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2651 static int opt_audio_channels(const char *opt, const char *arg)
2653 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2657 static void opt_video_channel(const char *arg)
2659 video_channel = strtol(arg, NULL, 0);
2662 static void opt_video_standard(const char *arg)
2664 video_standard = av_strdup(arg);
2667 static void opt_codec(int *pstream_copy, char **pcodec_name,
2668 int codec_type, const char *arg)
2670 av_freep(pcodec_name);
2671 if (!strcmp(arg, "copy")) {
2674 *pcodec_name = av_strdup(arg);
2678 static void opt_audio_codec(const char *arg)
2680 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2683 static void opt_audio_tag(const char *arg)
2686 audio_codec_tag= strtol(arg, &tail, 0);
2689 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2692 static void opt_video_tag(const char *arg)
2695 video_codec_tag= strtol(arg, &tail, 0);
2698 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2701 static void opt_video_codec(const char *arg)
2703 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2706 static void opt_subtitle_codec(const char *arg)
2708 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2711 static void opt_subtitle_tag(const char *arg)
2714 subtitle_codec_tag= strtol(arg, &tail, 0);
2717 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2720 static void opt_map(const char *arg)
2725 m = &stream_maps[nb_stream_maps++];
2727 m->file_index = strtol(arg, &p, 0);
2731 m->stream_index = strtol(p, &p, 0);
2734 m->sync_file_index = strtol(p, &p, 0);
2737 m->sync_stream_index = strtol(p, &p, 0);
2739 m->sync_file_index = m->file_index;
2740 m->sync_stream_index = m->stream_index;
2744 static void opt_map_meta_data(const char *arg)
2749 m = &meta_data_maps[nb_meta_data_maps++];
2751 m->out_file = strtol(arg, &p, 0);
2755 m->in_file = strtol(p, &p, 0);
2758 static void opt_input_ts_scale(const char *arg)
2760 unsigned int stream;
2764 stream = strtol(arg, &p, 0);
2767 scale= strtod(p, &p);
2769 if(stream >= MAX_STREAMS)
2772 input_files_ts_scale[nb_input_files][stream]= scale;
2775 static int opt_recording_time(const char *opt, const char *arg)
2777 recording_time = parse_time_or_die(opt, arg, 1);
2781 static int opt_start_time(const char *opt, const char *arg)
2783 start_time = parse_time_or_die(opt, arg, 1);
2787 static int opt_rec_timestamp(const char *opt, const char *arg)
2789 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2793 static int opt_input_ts_offset(const char *opt, const char *arg)
2795 input_ts_offset = parse_time_or_die(opt, arg, 1);
2799 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2801 const char *codec_string = encoder ? "encoder" : "decoder";
2805 return CODEC_ID_NONE;
2807 avcodec_find_encoder_by_name(name) :
2808 avcodec_find_decoder_by_name(name);
2810 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2813 if(codec->type != type) {
2814 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2820 static void opt_input_file(const char *filename)
2822 AVFormatContext *ic;
2823 AVFormatParameters params, *ap = ¶ms;
2824 int err, i, ret, rfps, rfps_base;
2827 if (!strcmp(filename, "-"))
2830 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2831 !strcmp(filename, "/dev/stdin");
2833 /* get default parameters from command line */
2834 ic = avformat_alloc_context();
2836 memset(ap, 0, sizeof(*ap));
2837 ap->prealloced_context = 1;
2838 ap->sample_rate = audio_sample_rate;
2839 ap->channels = audio_channels;
2840 ap->time_base.den = frame_rate.num;
2841 ap->time_base.num = frame_rate.den;
2842 ap->width = frame_width + frame_padleft + frame_padright;
2843 ap->height = frame_height + frame_padtop + frame_padbottom;
2844 ap->pix_fmt = frame_pix_fmt;
2845 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2846 ap->channel = video_channel;
2847 ap->standard = video_standard;
2848 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2849 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2850 if(pgmyuv_compatibility_hack)
2851 ap->video_codec_id= CODEC_ID_PGMYUV;
2853 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2855 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2856 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2857 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2858 ic->flags |= AVFMT_FLAG_NONBLOCK;
2860 /* open the input file with generic libav function */
2861 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2863 print_error(filename, err);
2868 for(i=0; i<ic->nb_programs; i++)
2869 if(ic->programs[i]->id != opt_programid)
2870 ic->programs[i]->discard = AVDISCARD_ALL;
2873 ic->loop_input = loop_input;
2875 /* If not enough info to get the stream parameters, we decode the
2876 first frames to get it. (used in mpeg case for example) */
2877 ret = av_find_stream_info(ic);
2878 if (ret < 0 && verbose >= 0) {
2879 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2883 timestamp = start_time;
2884 /* add the stream start time */
2885 if (ic->start_time != AV_NOPTS_VALUE)
2886 timestamp += ic->start_time;
2888 /* if seeking requested, we execute it */
2889 if (start_time != 0) {
2890 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2892 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2893 filename, (double)timestamp / AV_TIME_BASE);
2895 /* reset seek info */
2899 /* update the current parameters so that they match the one of the input stream */
2900 for(i=0;i<ic->nb_streams;i++) {
2901 AVCodecContext *enc = ic->streams[i]->codec;
2903 avcodec_thread_init(enc, thread_count);
2904 enc->thread_count= thread_count;
2905 switch(enc->codec_type) {
2906 case CODEC_TYPE_AUDIO:
2907 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2908 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2909 channel_layout = enc->channel_layout;
2910 audio_channels = enc->channels;
2911 audio_sample_rate = enc->sample_rate;
2912 audio_sample_fmt = enc->sample_fmt;
2913 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2915 ic->streams[i]->discard= AVDISCARD_ALL;
2917 case CODEC_TYPE_VIDEO:
2918 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2919 frame_height = enc->height;
2920 frame_width = enc->width;
2921 if(ic->streams[i]->sample_aspect_ratio.num)
2922 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2924 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2925 frame_aspect_ratio *= (float) enc->width / enc->height;
2926 frame_pix_fmt = enc->pix_fmt;
2927 rfps = ic->streams[i]->r_frame_rate.num;
2928 rfps_base = ic->streams[i]->r_frame_rate.den;
2929 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2931 enc->debug |= FF_DEBUG_MV;
2933 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2936 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2937 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2939 (float)rfps / rfps_base, rfps, rfps_base);
2941 /* update the current frame rate to match the stream frame rate */
2942 frame_rate.num = rfps;
2943 frame_rate.den = rfps_base;
2945 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2947 ic->streams[i]->discard= AVDISCARD_ALL;
2948 else if(video_discard)
2949 ic->streams[i]->discard= video_discard;
2951 case CODEC_TYPE_DATA:
2953 case CODEC_TYPE_SUBTITLE:
2954 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2955 if(subtitle_disable)
2956 ic->streams[i]->discard = AVDISCARD_ALL;
2958 case CODEC_TYPE_ATTACHMENT:
2959 case CODEC_TYPE_UNKNOWN:
2967 input_files[nb_input_files] = ic;
2968 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2969 /* dump the file content */
2971 dump_format(ic, nb_input_files, filename, 0);
2974 file_iformat = NULL;
2975 file_oformat = NULL;
2979 av_freep(&video_codec_name);
2980 av_freep(&audio_codec_name);
2981 av_freep(&subtitle_codec_name);
2984 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2985 int *has_subtitle_ptr)
2987 int has_video, has_audio, has_subtitle, i, j;
2988 AVFormatContext *ic;
2993 for(j=0;j<nb_input_files;j++) {
2994 ic = input_files[j];
2995 for(i=0;i<ic->nb_streams;i++) {
2996 AVCodecContext *enc = ic->streams[i]->codec;
2997 switch(enc->codec_type) {
2998 case CODEC_TYPE_AUDIO:
3001 case CODEC_TYPE_VIDEO:
3004 case CODEC_TYPE_SUBTITLE:
3007 case CODEC_TYPE_DATA:
3008 case CODEC_TYPE_ATTACHMENT:
3009 case CODEC_TYPE_UNKNOWN:
3016 *has_video_ptr = has_video;
3017 *has_audio_ptr = has_audio;
3018 *has_subtitle_ptr = has_subtitle;
3021 static void new_video_stream(AVFormatContext *oc)
3024 AVCodecContext *video_enc;
3025 enum CodecID codec_id;
3027 st = av_new_stream(oc, oc->nb_streams);
3029 fprintf(stderr, "Could not alloc stream\n");
3032 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3033 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3034 video_bitstream_filters= NULL;
3037 avcodec_thread_init(st->codec, thread_count);
3039 video_enc = st->codec;
3042 video_enc->codec_tag= video_codec_tag;
3044 if( (video_global_header&1)
3045 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3046 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3047 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3049 if(video_global_header&2){
3050 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3051 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3054 if (video_stream_copy) {
3055 st->stream_copy = 1;
3056 video_enc->codec_type = CODEC_TYPE_VIDEO;
3057 video_enc->sample_aspect_ratio =
3058 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3063 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3065 if (video_codec_name) {
3066 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3067 codec = avcodec_find_encoder_by_name(video_codec_name);
3068 output_codecs[nb_ocodecs] = codec;
3070 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3071 codec = avcodec_find_encoder(codec_id);
3074 video_enc->codec_id = codec_id;
3076 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3078 if (codec && codec->supported_framerates && !force_fps)
3079 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3080 video_enc->time_base.den = fps.num;
3081 video_enc->time_base.num = fps.den;
3083 video_enc->width = frame_width + frame_padright + frame_padleft;
3084 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3085 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3086 video_enc->pix_fmt = frame_pix_fmt;
3087 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3089 if(codec && codec->pix_fmts){
3090 const enum PixelFormat *p= codec->pix_fmts;
3092 if(*p == video_enc->pix_fmt)
3096 video_enc->pix_fmt = codec->pix_fmts[0];
3100 video_enc->gop_size = 0;
3101 if (video_qscale || same_quality) {
3102 video_enc->flags |= CODEC_FLAG_QSCALE;
3103 video_enc->global_quality=
3104 st->quality = FF_QP2LAMBDA * video_qscale;
3108 video_enc->intra_matrix = intra_matrix;
3110 video_enc->inter_matrix = inter_matrix;
3112 video_enc->thread_count = thread_count;
3113 p= video_rc_override_string;
3116 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3118 fprintf(stderr, "error parsing rc_override\n");
3121 video_enc->rc_override=
3122 av_realloc(video_enc->rc_override,
3123 sizeof(RcOverride)*(i+1));
3124 video_enc->rc_override[i].start_frame= start;
3125 video_enc->rc_override[i].end_frame = end;
3127 video_enc->rc_override[i].qscale= q;
3128 video_enc->rc_override[i].quality_factor= 1.0;
3131 video_enc->rc_override[i].qscale= 0;
3132 video_enc->rc_override[i].quality_factor= -q/100.0;
3137 video_enc->rc_override_count=i;
3138 if (!video_enc->rc_initial_buffer_occupancy)
3139 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3140 video_enc->me_threshold= me_threshold;
3141 video_enc->intra_dc_precision= intra_dc_precision - 8;
3144 video_enc->flags|= CODEC_FLAG_PSNR;
3149 video_enc->flags |= CODEC_FLAG_PASS1;
3151 video_enc->flags |= CODEC_FLAG_PASS2;
3157 /* reset some key parameters */
3159 av_freep(&video_codec_name);
3160 video_stream_copy = 0;
3163 static void new_audio_stream(AVFormatContext *oc)
3166 AVCodecContext *audio_enc;
3167 enum CodecID codec_id;
3169 st = av_new_stream(oc, oc->nb_streams);
3171 fprintf(stderr, "Could not alloc stream\n");
3174 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3176 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3177 audio_bitstream_filters= NULL;
3180 avcodec_thread_init(st->codec, thread_count);
3182 audio_enc = st->codec;
3183 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3186 audio_enc->codec_tag= audio_codec_tag;
3188 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3189 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3190 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3192 if (audio_stream_copy) {
3193 st->stream_copy = 1;
3194 audio_enc->channels = audio_channels;
3198 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3200 if (audio_codec_name) {
3201 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3202 codec = avcodec_find_encoder_by_name(audio_codec_name);
3203 output_codecs[nb_ocodecs] = codec;
3205 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3206 codec = avcodec_find_encoder(codec_id);
3208 audio_enc->codec_id = codec_id;
3210 if (audio_qscale > QSCALE_NONE) {
3211 audio_enc->flags |= CODEC_FLAG_QSCALE;
3212 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3214 audio_enc->thread_count = thread_count;
3215 audio_enc->channels = audio_channels;
3216 audio_enc->sample_fmt = audio_sample_fmt;
3217 audio_enc->channel_layout = channel_layout;
3218 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3219 audio_enc->channel_layout = 0;
3221 if(codec && codec->sample_fmts){
3222 const enum SampleFormat *p= codec->sample_fmts;
3224 if(*p == audio_enc->sample_fmt)
3228 audio_enc->sample_fmt = codec->sample_fmts[0];
3232 audio_enc->sample_rate = audio_sample_rate;
3233 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3234 if (audio_language) {
3235 av_metadata_set(&st->metadata, "language", audio_language);
3236 av_free(audio_language);
3237 audio_language = NULL;
3240 /* reset some key parameters */
3242 av_freep(&audio_codec_name);
3243 audio_stream_copy = 0;
3246 static void new_subtitle_stream(AVFormatContext *oc)
3249 AVCodecContext *subtitle_enc;
3251 st = av_new_stream(oc, oc->nb_streams);
3253 fprintf(stderr, "Could not alloc stream\n");
3256 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3258 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3259 subtitle_bitstream_filters= NULL;
3261 subtitle_enc = st->codec;
3262 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3264 if(subtitle_codec_tag)
3265 subtitle_enc->codec_tag= subtitle_codec_tag;
3267 if (subtitle_stream_copy) {
3268 st->stream_copy = 1;
3270 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3271 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3272 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3276 if (subtitle_language) {
3277 av_metadata_set(&st->metadata, "language", subtitle_language);
3278 av_free(subtitle_language);
3279 subtitle_language = NULL;
3282 subtitle_disable = 0;
3283 av_freep(&subtitle_codec_name);
3284 subtitle_stream_copy = 0;
3287 static void opt_new_audio_stream(void)
3289 AVFormatContext *oc;
3290 if (nb_output_files <= 0) {
3291 fprintf(stderr, "At least one output file must be specified\n");
3294 oc = output_files[nb_output_files - 1];
3295 new_audio_stream(oc);
3298 static void opt_new_video_stream(void)
3300 AVFormatContext *oc;
3301 if (nb_output_files <= 0) {
3302 fprintf(stderr, "At least one output file must be specified\n");
3305 oc = output_files[nb_output_files - 1];
3306 new_video_stream(oc);
3309 static void opt_new_subtitle_stream(void)
3311 AVFormatContext *oc;
3312 if (nb_output_files <= 0) {
3313 fprintf(stderr, "At least one output file must be specified\n");
3316 oc = output_files[nb_output_files - 1];
3317 new_subtitle_stream(oc);
3320 static void opt_output_file(const char *filename)
3322 AVFormatContext *oc;
3323 int use_video, use_audio, use_subtitle;
3324 int input_has_video, input_has_audio, input_has_subtitle;
3325 AVFormatParameters params, *ap = ¶ms;
3327 if (!strcmp(filename, "-"))
3330 oc = avformat_alloc_context();
3332 if (!file_oformat) {
3333 file_oformat = guess_format(NULL, filename, NULL);
3334 if (!file_oformat) {
3335 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3341 oc->oformat = file_oformat;
3342 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3344 if (!strcmp(file_oformat->name, "ffm") &&
3345 av_strstart(filename, "http:", NULL)) {
3346 /* special case for files sent to ffserver: we get the stream
3347 parameters from ffserver */
3348 int err = read_ffserver_streams(oc, filename);
3350 print_error(filename, err);
3354 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3355 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3356 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3358 /* disable if no corresponding type found and at least one
3360 if (nb_input_files > 0) {
3361 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3362 &input_has_subtitle);
3363 if (!input_has_video)
3365 if (!input_has_audio)
3367 if (!input_has_subtitle)
3371 /* manual disable */
3372 if (audio_disable) {
3375 if (video_disable) {
3378 if (subtitle_disable) {
3383 new_video_stream(oc);
3387 new_audio_stream(oc);
3391 new_subtitle_stream(oc);
3394 oc->timestamp = rec_timestamp;
3396 for(; metadata_count>0; metadata_count--){
3397 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3398 metadata[metadata_count-1].value);
3400 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3403 output_files[nb_output_files++] = oc;
3405 /* check filename in case of an image number is expected */
3406 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3407 if (!av_filename_number_test(oc->filename)) {
3408 print_error(oc->filename, AVERROR_NUMEXPECTED);
3413 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3414 /* test if it already exists to avoid loosing precious files */
3415 if (!file_overwrite &&
3416 (strchr(filename, ':') == NULL ||
3417 filename[1] == ':' ||
3418 av_strstart(filename, "file:", NULL))) {
3419 if (url_exist(filename)) {
3421 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3423 if (!read_yesno()) {
3424 fprintf(stderr, "Not overwriting - exiting\n");
3429 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3436 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3437 fprintf(stderr, "Could not open '%s'\n", filename);
3442 memset(ap, 0, sizeof(*ap));
3443 if (av_set_parameters(oc, ap) < 0) {
3444 fprintf(stderr, "%s: Invalid encoding parameters\n",
3449 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3450 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3451 oc->loop_output = loop_output;
3452 oc->flags |= AVFMT_FLAG_NONBLOCK;
3454 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3456 /* reset some options */
3457 file_oformat = NULL;
3458 file_iformat = NULL;
3461 /* same option as mencoder */
3462 static void opt_pass(const char *pass_str)
3465 pass = atoi(pass_str);
3466 if (pass != 1 && pass != 2) {
3467 fprintf(stderr, "pass number can be only 1 or 2\n");
3473 static int64_t getutime(void)
3476 struct rusage rusage;
3478 getrusage(RUSAGE_SELF, &rusage);
3479 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3480 #elif HAVE_GETPROCESSTIMES
3482 FILETIME c, e, k, u;
3483 proc = GetCurrentProcess();
3484 GetProcessTimes(proc, &c, &e, &k, &u);
3485 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3487 return av_gettime();
3491 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3494 const char *p = str;
3501 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3508 static void opt_inter_matrix(const char *arg)
3510 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3511 parse_matrix_coeffs(inter_matrix, arg);
3514 static void opt_intra_matrix(const char *arg)
3516 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3517 parse_matrix_coeffs(intra_matrix, arg);
3521 * Trivial log callback.
3522 * Only suitable for show_help and similar since it lacks prefix handling.
3524 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3526 vfprintf(stdout, fmt, vl);
3529 static void show_help(void)
3531 av_log_set_callback(log_callback_help);
3532 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3533 "Hyper fast Audio and Video encoder\n");
3535 show_help_options(options, "Main options:\n",
3536 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3537 show_help_options(options, "\nAdvanced options:\n",
3538 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3540 show_help_options(options, "\nVideo options:\n",
3541 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3543 show_help_options(options, "\nAdvanced Video options:\n",
3544 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3545 OPT_VIDEO | OPT_EXPERT);
3546 show_help_options(options, "\nAudio options:\n",
3547 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3549 show_help_options(options, "\nAdvanced Audio options:\n",
3550 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3551 OPT_AUDIO | OPT_EXPERT);
3552 show_help_options(options, "\nSubtitle options:\n",
3553 OPT_SUBTITLE | OPT_GRAB,
3555 show_help_options(options, "\nAudio/Video grab options:\n",
3559 av_opt_show(avcodec_opts[0], NULL);
3561 av_opt_show(avformat_opts, NULL);
3563 av_opt_show(sws_opts, NULL);
3566 static void opt_target(const char *arg)
3569 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3571 if(!strncmp(arg, "pal-", 4)) {
3574 } else if(!strncmp(arg, "ntsc-", 5)) {
3577 } else if(!strncmp(arg, "film-", 5)) {
3582 /* Calculate FR via float to avoid int overflow */
3583 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3586 } else if((fr == 29970) || (fr == 23976)) {
3589 /* Try to determine PAL/NTSC by peeking in the input files */
3590 if(nb_input_files) {
3592 for(j = 0; j < nb_input_files; j++) {
3593 for(i = 0; i < input_files[j]->nb_streams; i++) {
3594 AVCodecContext *c = input_files[j]->streams[i]->codec;
3595 if(c->codec_type != CODEC_TYPE_VIDEO)
3597 fr = c->time_base.den * 1000 / c->time_base.num;
3601 } else if((fr == 29970) || (fr == 23976)) {
3611 if(verbose && norm >= 0)
3612 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3616 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3617 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3618 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3622 if(!strcmp(arg, "vcd")) {
3624 opt_video_codec("mpeg1video");
3625 opt_audio_codec("mp2");
3628 opt_frame_size(norm ? "352x240" : "352x288");
3629 opt_frame_rate(NULL, frame_rates[norm]);
3630 opt_default("g", norm ? "18" : "15");
3632 opt_default("b", "1150000");
3633 opt_default("maxrate", "1150000");
3634 opt_default("minrate", "1150000");
3635 opt_default("bufsize", "327680"); // 40*1024*8;
3637 opt_default("ab", "224000");
3638 audio_sample_rate = 44100;
3641 opt_default("packetsize", "2324");
3642 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3644 /* We have to offset the PTS, so that it is consistent with the SCR.
3645 SCR starts at 36000, but the first two packs contain only padding
3646 and the first pack from the other stream, respectively, may also have
3647 been written before.
3648 So the real data starts at SCR 36000+3*1200. */
3649 mux_preload= (36000+3*1200) / 90000.0; //0.44
3650 } else if(!strcmp(arg, "svcd")) {
3652 opt_video_codec("mpeg2video");
3653 opt_audio_codec("mp2");
3656 opt_frame_size(norm ? "480x480" : "480x576");
3657 opt_frame_rate(NULL, frame_rates[norm]);
3658 opt_default("g", norm ? "18" : "15");
3660 opt_default("b", "2040000");
3661 opt_default("maxrate", "2516000");
3662 opt_default("minrate", "0"); //1145000;
3663 opt_default("bufsize", "1835008"); //224*1024*8;
3664 opt_default("flags", "+scan_offset");
3667 opt_default("ab", "224000");
3668 audio_sample_rate = 44100;
3670 opt_default("packetsize", "2324");
3672 } else if(!strcmp(arg, "dvd")) {
3674 opt_video_codec("mpeg2video");
3675 opt_audio_codec("ac3");
3678 opt_frame_size(norm ? "720x480" : "720x576");
3679 opt_frame_rate(NULL, frame_rates[norm]);
3680 opt_default("g", norm ? "18" : "15");
3682 opt_default("b", "6000000");
3683 opt_default("maxrate", "9000000");
3684 opt_default("minrate", "0"); //1500000;
3685 opt_default("bufsize", "1835008"); //224*1024*8;
3687 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3688 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3690 opt_default("ab", "448000");
3691 audio_sample_rate = 48000;
3693 } else if(!strncmp(arg, "dv", 2)) {
3697 opt_frame_size(norm ? "720x480" : "720x576");
3698 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3699 (norm ? "yuv411p" : "yuv420p"));
3700 opt_frame_rate(NULL, frame_rates[norm]);
3702 audio_sample_rate = 48000;
3706 fprintf(stderr, "Unknown target: %s\n", arg);
3711 static void opt_vstats_file (const char *arg)
3713 av_free (vstats_filename);
3714 vstats_filename=av_strdup (arg);
3717 static void opt_vstats (void)
3720 time_t today2 = time(NULL);
3721 struct tm *today = localtime(&today2);
3723 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3725 opt_vstats_file(filename);
3728 static int opt_bsf(const char *opt, const char *arg)
3730 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3731 AVBitStreamFilterContext **bsfp;
3734 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3738 bsfp= *opt == 'v' ? &video_bitstream_filters :
3739 *opt == 'a' ? &audio_bitstream_filters :
3740 &subtitle_bitstream_filters;
3742 bsfp= &(*bsfp)->next;
3749 static int opt_preset(const char *opt, const char *arg)
3752 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3754 const char *base[2]= { getenv("HOME"),
3758 for(i=!base[0]; i<2 && !f; i++){
3759 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3760 f= fopen(filename, "r");
3762 char *codec_name= *opt == 'v' ? video_codec_name :
3763 *opt == 'a' ? audio_codec_name :
3764 subtitle_codec_name;
3765 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3766 f= fopen(filename, "r");
3769 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3771 av_strlcpy(filename, arg, sizeof(filename));
3772 f= fopen(filename, "r");
3776 fprintf(stderr, "File for preset '%s' not found\n", arg);
3781 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3782 if(line[0] == '#' && !e)
3784 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3786 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3789 if(!strcmp(tmp, "acodec")){
3790 opt_audio_codec(tmp2);
3791 }else if(!strcmp(tmp, "vcodec")){
3792 opt_video_codec(tmp2);
3793 }else if(!strcmp(tmp, "scodec")){
3794 opt_subtitle_codec(tmp2);
3795 }else if(opt_default(tmp, tmp2) < 0){
3796 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3806 static const OptionDef options[] = {
3808 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3809 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3810 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3811 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3812 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3813 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3814 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3815 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3816 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3817 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3818 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3819 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3820 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3821 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3822 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3823 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3824 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3825 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3826 "add timings for benchmarking" },
3827 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3828 "dump each input packet" },
3829 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3830 "when dumping packets, also dump the payload" },
3831 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3832 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3833 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
3834 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3835 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "logging level number or string" },
3836 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3837 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3838 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3839 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3840 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3841 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3842 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3843 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3844 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3845 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3846 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3847 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3850 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3851 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3852 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3853 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3854 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3855 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3856 { "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" },
3857 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3858 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3859 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3860 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3861 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3862 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3863 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3864 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3865 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3866 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3867 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3868 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3869 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3870 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3871 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3872 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3873 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3874 "use same video quality as source (implies VBR)" },
3875 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3876 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3877 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3878 "deinterlace pictures" },
3879 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3880 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3881 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3882 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3883 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3884 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3885 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3886 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3887 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3888 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3889 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3892 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3893 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3894 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3895 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3896 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3897 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3898 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3899 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3900 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3901 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3902 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3903 { "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" },
3905 /* subtitle options */
3906 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3907 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3908 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3909 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3910 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3913 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3914 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3915 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3918 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3919 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3921 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3922 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3923 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3925 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3926 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3927 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3929 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3933 int main(int argc, char **argv)
3938 avcodec_register_all();
3939 avdevice_register_all();
3943 if(isatty(STDIN_FILENO))
3944 url_set_interrupt_cb(decode_interrupt_cb);
3947 for(i=0; i<CODEC_TYPE_NB; i++){
3948 avcodec_opts[i]= avcodec_alloc_context2(i);
3950 avformat_opts = avformat_alloc_context();
3951 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3956 parse_options(argc, argv, options, opt_output_file);
3958 /* file converter / grab */
3959 if (nb_output_files <= 0) {
3960 fprintf(stderr, "At least one output file must be specified\n");
3964 if (nb_input_files == 0) {
3965 fprintf(stderr, "At least one input file must be specified\n");
3970 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3971 stream_maps, nb_stream_maps) < 0)
3973 ti = getutime() - ti;
3975 printf("bench: utime=%0.3fs\n", ti / 1000000.0);