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);
832 av_init_packet(&pkt);
833 pkt.stream_index = ost->index;
834 pkt.data = subtitle_out;
835 pkt.size = subtitle_out_size;
836 pkt.pts = av_rescale_q(pts, ist->st->time_base, ost->st->time_base);
837 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
838 /* XXX: the pts correction is handled here. Maybe handling
839 it in the codec would be better */
841 pkt.pts += 90 * sub->start_display_time;
843 pkt.pts += 90 * sub->end_display_time;
845 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
849 static int bit_buffer_size= 1024*256;
850 static uint8_t *bit_buffer= NULL;
852 static void do_video_out(AVFormatContext *s,
858 int nb_frames, i, ret;
859 int64_t topBand, bottomBand, leftBand, rightBand;
860 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
861 AVFrame picture_crop_temp, picture_pad_temp;
862 AVCodecContext *enc, *dec;
864 avcodec_get_frame_defaults(&picture_crop_temp);
865 avcodec_get_frame_defaults(&picture_pad_temp);
867 enc = ost->st->codec;
868 dec = ist->st->codec;
870 /* by default, we output a single frame */
875 if(video_sync_method>0 || (video_sync_method && av_q2d(enc->time_base) > 0.001)){
877 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
878 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
881 else if (video_sync_method == 2 || (video_sync_method<0 && (s->oformat->flags & AVFMT_VARIABLE_FPS))){
885 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
886 }else if (vdelta > 1.1)
887 nb_frames = lrintf(vdelta);
888 //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);
892 fprintf(stderr, "*** drop!\n");
893 }else if (nb_frames > 1) {
894 nb_frames_dup += nb_frames;
896 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
899 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
901 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
905 if (ost->video_crop) {
906 if (av_picture_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
907 fprintf(stderr, "error cropping picture\n");
912 formatted_picture = &picture_crop_temp;
914 formatted_picture = in_picture;
917 final_picture = formatted_picture;
918 padding_src = formatted_picture;
919 resampling_dst = &ost->pict_tmp;
920 if (ost->video_pad) {
921 final_picture = &ost->pict_tmp;
922 if (ost->video_resample) {
923 if (av_picture_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
924 fprintf(stderr, "error padding picture\n");
929 resampling_dst = &picture_pad_temp;
933 if (ost->video_resample) {
935 final_picture = &ost->pict_tmp;
936 if( (ost->resample_height != (ist->st->codec->height - (ost->topBand + ost->bottomBand)))
937 || (ost->resample_width != (ist->st->codec->width - (ost->leftBand + ost->rightBand)))
938 || (ost->resample_pix_fmt!= ist->st->codec->pix_fmt) ) {
940 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));
941 /* keep bands proportional to the frame size */
942 topBand = ((int64_t)ist->st->codec->height * ost->original_topBand / ost->original_height) & ~1;
943 bottomBand = ((int64_t)ist->st->codec->height * ost->original_bottomBand / ost->original_height) & ~1;
944 leftBand = ((int64_t)ist->st->codec->width * ost->original_leftBand / ost->original_width) & ~1;
945 rightBand = ((int64_t)ist->st->codec->width * ost->original_rightBand / ost->original_width) & ~1;
947 /* sanity check to ensure no bad band sizes sneak in */
948 assert(topBand <= INT_MAX && topBand >= 0);
949 assert(bottomBand <= INT_MAX && bottomBand >= 0);
950 assert(leftBand <= INT_MAX && leftBand >= 0);
951 assert(rightBand <= INT_MAX && rightBand >= 0);
953 ost->topBand = topBand;
954 ost->bottomBand = bottomBand;
955 ost->leftBand = leftBand;
956 ost->rightBand = rightBand;
958 ost->resample_height = ist->st->codec->height - (ost->topBand + ost->bottomBand);
959 ost->resample_width = ist->st->codec->width - (ost->leftBand + ost->rightBand);
960 ost->resample_pix_fmt= ist->st->codec->pix_fmt;
962 /* initialize a new scaler context */
963 sws_freeContext(ost->img_resample_ctx);
964 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
965 ost->img_resample_ctx = sws_getContext(
966 ist->st->codec->width - (ost->leftBand + ost->rightBand),
967 ist->st->codec->height - (ost->topBand + ost->bottomBand),
968 ist->st->codec->pix_fmt,
969 ost->st->codec->width - (ost->padleft + ost->padright),
970 ost->st->codec->height - (ost->padtop + ost->padbottom),
971 ost->st->codec->pix_fmt,
972 sws_flags, NULL, NULL, NULL);
973 if (ost->img_resample_ctx == NULL) {
974 fprintf(stderr, "Cannot get resampling context\n");
978 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
979 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
982 if (ost->video_pad) {
983 av_picture_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
984 enc->height, enc->width, enc->pix_fmt,
985 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
988 /* duplicates frame if needed */
989 for(i=0;i<nb_frames;i++) {
991 av_init_packet(&pkt);
992 pkt.stream_index= ost->index;
994 if (s->oformat->flags & AVFMT_RAWPICTURE) {
995 /* raw pictures are written as AVPicture structure to
996 avoid any copies. We support temorarily the older
998 AVFrame* old_frame = enc->coded_frame;
999 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
1000 pkt.data= (uint8_t *)final_picture;
1001 pkt.size= sizeof(AVPicture);
1002 pkt.pts= av_rescale_q(ost->sync_opts, enc->time_base, ost->st->time_base);
1003 pkt.flags |= PKT_FLAG_KEY;
1005 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1006 enc->coded_frame = old_frame;
1008 AVFrame big_picture;
1010 big_picture= *final_picture;
1011 /* better than nothing: use input picture interlaced
1013 big_picture.interlaced_frame = in_picture->interlaced_frame;
1014 if(avcodec_opts[CODEC_TYPE_VIDEO]->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
1015 if(top_field_first == -1)
1016 big_picture.top_field_first = in_picture->top_field_first;
1018 big_picture.top_field_first = top_field_first;
1021 /* handles sameq here. This is not correct because it may
1022 not be a global option */
1024 big_picture.quality = ist->st->quality;
1026 big_picture.quality = ost->st->quality;
1028 big_picture.pict_type = 0;
1029 // big_picture.pts = AV_NOPTS_VALUE;
1030 big_picture.pts= ost->sync_opts;
1031 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
1032 //av_log(NULL, AV_LOG_DEBUG, "%"PRId64" -> encoder\n", ost->sync_opts);
1033 ret = avcodec_encode_video(enc,
1034 bit_buffer, bit_buffer_size,
1037 fprintf(stderr, "Video encoding failed\n");
1042 pkt.data= bit_buffer;
1044 if(enc->coded_frame->pts != AV_NOPTS_VALUE)
1045 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1046 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %"PRId64"/%"PRId64"\n",
1047 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
1048 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
1050 if(enc->coded_frame->key_frame)
1051 pkt.flags |= PKT_FLAG_KEY;
1052 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1055 //fprintf(stderr,"\nFrame: %3d size: %5d type: %d",
1056 // enc->frame_number-1, ret, enc->pict_type);
1057 /* if two pass, output log */
1058 if (ost->logfile && enc->stats_out) {
1059 fprintf(ost->logfile, "%s", enc->stats_out);
1064 ost->frame_number++;
1068 static double psnr(double d){
1069 return -10.0*log(d)/log(10.0);
1072 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1075 AVCodecContext *enc;
1077 double ti1, bitrate, avg_bitrate;
1079 /* this is executed just the first time do_video_stats is called */
1081 vstats_file = fopen(vstats_filename, "w");
1088 enc = ost->st->codec;
1089 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1090 frame_number = ost->frame_number;
1091 fprintf(vstats_file, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1092 if (enc->flags&CODEC_FLAG_PSNR)
1093 fprintf(vstats_file, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1095 fprintf(vstats_file,"f_size= %6d ", frame_size);
1096 /* compute pts value */
1097 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1101 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1102 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1103 fprintf(vstats_file, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1104 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1105 fprintf(vstats_file,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1109 static void print_report(AVFormatContext **output_files,
1110 AVOutputStream **ost_table, int nb_ostreams,
1114 AVOutputStream *ost;
1115 AVFormatContext *oc;
1117 AVCodecContext *enc;
1118 int frame_number, vid, i;
1119 double bitrate, ti1, pts;
1120 static int64_t last_time = -1;
1121 static int qp_histogram[52];
1123 if (!is_last_report) {
1125 /* display the report every 0.5 seconds */
1126 cur_time = av_gettime();
1127 if (last_time == -1) {
1128 last_time = cur_time;
1131 if ((cur_time - last_time) < 500000)
1133 last_time = cur_time;
1137 oc = output_files[0];
1139 total_size = url_fsize(oc->pb);
1140 if(total_size<0) // FIXME improve url_fsize() so it works with non seekable output too
1141 total_size= url_ftell(oc->pb);
1146 for(i=0;i<nb_ostreams;i++) {
1148 enc = ost->st->codec;
1149 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1150 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1151 !ost->st->stream_copy ?
1152 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1154 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1155 float t = (av_gettime()-timer_start) / 1000000.0;
1157 frame_number = ost->frame_number;
1158 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d fps=%3d q=%3.1f ",
1159 frame_number, (t>1)?(int)(frame_number/t+0.5) : 0,
1160 !ost->st->stream_copy ?
1161 enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1163 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1166 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1167 if(qp>=0 && qp<FF_ARRAY_ELEMS(qp_histogram))
1170 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1172 if (enc->flags&CODEC_FLAG_PSNR){
1174 double error, error_sum=0;
1175 double scale, scale_sum=0;
1176 char type[3]= {'Y','U','V'};
1177 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1180 error= enc->error[j];
1181 scale= enc->width*enc->height*255.0*255.0*frame_number;
1183 error= enc->coded_frame->error[j];
1184 scale= enc->width*enc->height*255.0*255.0;
1189 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1191 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1195 /* compute min output value */
1196 pts = (double)ost->st->pts.val * av_q2d(ost->st->time_base);
1197 if ((pts < ti1) && (pts > 0))
1203 if (verbose || is_last_report) {
1204 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1206 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1207 "size=%8.0fkB time=%0.2f bitrate=%6.1fkbits/s",
1208 (double)total_size / 1024, ti1, bitrate);
1211 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1212 nb_frames_dup, nb_frames_drop);
1215 fprintf(stderr, "%s \r", buf);
1220 if (is_last_report && verbose >= 0){
1221 int64_t raw= audio_size + video_size + extra_size;
1222 fprintf(stderr, "\n");
1223 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1227 100.0*(total_size - raw)/raw
1232 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1233 static int output_packet(AVInputStream *ist, int ist_index,
1234 AVOutputStream **ost_table, int nb_ostreams,
1235 const AVPacket *pkt)
1237 AVFormatContext *os;
1238 AVOutputStream *ost;
1241 int data_size, got_picture;
1243 void *buffer_to_free;
1244 static unsigned int samples_size= 0;
1245 AVSubtitle subtitle, *subtitle_to_free;
1249 if(ist->next_pts == AV_NOPTS_VALUE)
1250 ist->next_pts= ist->pts;
1254 av_init_packet(&avpkt);
1262 if(pkt->dts != AV_NOPTS_VALUE)
1263 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1265 //while we have more to decode or while the decoder did output something on EOF
1266 while (avpkt.size > 0 || (!pkt && ist->next_pts != ist->pts)) {
1268 ist->pts= ist->next_pts;
1270 if(avpkt.size && avpkt.size != pkt->size && verbose>0)
1271 fprintf(stderr, "Multiple frames in a packet from stream %d\n", pkt->stream_index);
1273 /* decode the packet if needed */
1274 data_buf = NULL; /* fail safe */
1276 subtitle_to_free = NULL;
1277 if (ist->decoding_needed) {
1278 switch(ist->st->codec->codec_type) {
1279 case CODEC_TYPE_AUDIO:{
1280 if(pkt && samples_size < FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE)) {
1281 samples_size = FFMAX(pkt->size*sizeof(*samples), AVCODEC_MAX_AUDIO_FRAME_SIZE);
1283 samples= av_malloc(samples_size);
1285 data_size= samples_size;
1286 /* XXX: could avoid copy if PCM 16 bits with same
1287 endianness as CPU */
1288 ret = avcodec_decode_audio3(ist->st->codec, samples, &data_size,
1294 /* Some bug in mpeg audio decoder gives */
1295 /* data_size < 0, it seems they are overflows */
1296 if (data_size <= 0) {
1297 /* no audio frame */
1300 data_buf = (uint8_t *)samples;
1301 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1302 (ist->st->codec->sample_rate * ist->st->codec->channels);
1304 case CODEC_TYPE_VIDEO:
1305 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1306 /* XXX: allocate picture correctly */
1307 avcodec_get_frame_defaults(&picture);
1309 ret = avcodec_decode_video2(ist->st->codec,
1310 &picture, &got_picture, &avpkt);
1311 ist->st->quality= picture.quality;
1315 /* no picture yet */
1316 goto discard_packet;
1318 if (ist->st->codec->time_base.num != 0) {
1319 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1320 ist->next_pts += ((int64_t)AV_TIME_BASE *
1321 ist->st->codec->time_base.num * ticks) /
1322 ist->st->codec->time_base.den;
1326 case CODEC_TYPE_SUBTITLE:
1327 ret = avcodec_decode_subtitle2(ist->st->codec,
1328 &subtitle, &got_subtitle, &avpkt);
1331 if (!got_subtitle) {
1332 goto discard_packet;
1334 subtitle_to_free = &subtitle;
1341 switch(ist->st->codec->codec_type) {
1342 case CODEC_TYPE_AUDIO:
1343 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1344 ist->st->codec->sample_rate;
1346 case CODEC_TYPE_VIDEO:
1347 if (ist->st->codec->time_base.num != 0) {
1348 int ticks= ist->st->parser ? ist->st->parser->repeat_pict+1 : ist->st->codec->ticks_per_frame;
1349 ist->next_pts += ((int64_t)AV_TIME_BASE *
1350 ist->st->codec->time_base.num * ticks) /
1351 ist->st->codec->time_base.den;
1355 data_buf = avpkt.data;
1356 data_size = avpkt.size;
1361 buffer_to_free = NULL;
1362 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1363 pre_process_video_frame(ist, (AVPicture *)&picture,
1367 // preprocess audio (volume)
1368 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1369 if (audio_volume != 256) {
1372 for(i=0;i<(data_size / sizeof(short));i++) {
1373 int v = ((*volp) * audio_volume + 128) >> 8;
1374 if (v < -32768) v = -32768;
1375 if (v > 32767) v = 32767;
1381 /* frame rate emulation */
1383 int64_t pts = av_rescale(ist->pts, 1000000, AV_TIME_BASE);
1384 int64_t now = av_gettime() - ist->start;
1389 /* if output time reached then transcode raw format,
1390 encode packets and output them */
1391 if (start_time == 0 || ist->pts >= start_time)
1392 for(i=0;i<nb_ostreams;i++) {
1396 if (ost->source_index == ist_index) {
1397 os = output_files[ost->file_index];
1399 /* set the input output pts pairs */
1400 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1402 if (ost->encoding_needed) {
1403 switch(ost->st->codec->codec_type) {
1404 case CODEC_TYPE_AUDIO:
1405 do_audio_out(os, ost, ist, data_buf, data_size);
1407 case CODEC_TYPE_VIDEO:
1408 do_video_out(os, ost, ist, &picture, &frame_size);
1409 if (vstats_filename && frame_size)
1410 do_video_stats(os, ost, frame_size);
1412 case CODEC_TYPE_SUBTITLE:
1413 do_subtitle_out(os, ost, ist, &subtitle,
1420 AVFrame avframe; //FIXME/XXX remove this
1422 int64_t ost_tb_start_time= av_rescale_q(start_time, AV_TIME_BASE_Q, ost->st->time_base);
1424 av_init_packet(&opkt);
1426 if ((!ost->frame_number && !(pkt->flags & PKT_FLAG_KEY)) && !copy_initial_nonkeyframes)
1429 /* no reencoding needed : output the packet directly */
1430 /* force the input stream PTS */
1432 avcodec_get_frame_defaults(&avframe);
1433 ost->st->codec->coded_frame= &avframe;
1434 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1436 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1437 audio_size += data_size;
1438 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1439 video_size += data_size;
1443 opkt.stream_index= ost->index;
1444 if(pkt->pts != AV_NOPTS_VALUE)
1445 opkt.pts= av_rescale_q(pkt->pts, ist->st->time_base, ost->st->time_base) - ost_tb_start_time;
1447 opkt.pts= AV_NOPTS_VALUE;
1449 if (pkt->dts == AV_NOPTS_VALUE)
1450 opkt.dts = av_rescale_q(ist->pts, AV_TIME_BASE_Q, ost->st->time_base);
1452 opkt.dts = av_rescale_q(pkt->dts, ist->st->time_base, ost->st->time_base);
1453 opkt.dts -= ost_tb_start_time;
1455 opkt.duration = av_rescale_q(pkt->duration, ist->st->time_base, ost->st->time_base);
1456 opkt.flags= pkt->flags;
1458 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1459 if(ost->st->codec->codec_id != CODEC_ID_H264) {
1460 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1461 opkt.destruct= av_destruct_packet;
1463 opkt.data = data_buf;
1464 opkt.size = data_size;
1467 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][opkt.stream_index]);
1468 ost->st->codec->frame_number++;
1469 ost->frame_number++;
1470 av_free_packet(&opkt);
1474 av_free(buffer_to_free);
1475 /* XXX: allocate the subtitles in the codec ? */
1476 if (subtitle_to_free) {
1477 if (subtitle_to_free->rects != NULL) {
1478 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1479 av_freep(&subtitle_to_free->rects[i]->pict.data[0]);
1480 av_freep(&subtitle_to_free->rects[i]->pict.data[1]);
1481 av_freep(&subtitle_to_free->rects[i]);
1483 av_freep(&subtitle_to_free->rects);
1485 subtitle_to_free->num_rects = 0;
1486 subtitle_to_free = NULL;
1493 for(i=0;i<nb_ostreams;i++) {
1495 if (ost->source_index == ist_index) {
1496 AVCodecContext *enc= ost->st->codec;
1497 os = output_files[ost->file_index];
1499 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1501 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1504 if (ost->encoding_needed) {
1508 av_init_packet(&pkt);
1509 pkt.stream_index= ost->index;
1511 switch(ost->st->codec->codec_type) {
1512 case CODEC_TYPE_AUDIO:
1513 fifo_bytes = av_fifo_size(ost->fifo);
1515 /* encode any samples remaining in fifo */
1516 if (fifo_bytes > 0) {
1517 int osize = av_get_bits_per_sample_format(enc->sample_fmt) >> 3;
1518 int fs_tmp = enc->frame_size;
1520 av_fifo_generic_read(ost->fifo, samples, fifo_bytes, NULL);
1521 if (enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1522 enc->frame_size = fifo_bytes / (osize * enc->channels);
1524 int frame_bytes = enc->frame_size*osize*enc->channels;
1525 if (samples_size < frame_bytes)
1527 memset((uint8_t*)samples+fifo_bytes, 0, frame_bytes - fifo_bytes);
1530 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1531 pkt.duration = av_rescale((int64_t)enc->frame_size*ost->st->time_base.den,
1532 ost->st->time_base.num, enc->sample_rate);
1533 enc->frame_size = fs_tmp;
1536 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1539 fprintf(stderr, "Audio encoding failed\n");
1543 pkt.flags |= PKT_FLAG_KEY;
1545 case CODEC_TYPE_VIDEO:
1546 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1548 fprintf(stderr, "Video encoding failed\n");
1552 if(enc->coded_frame && enc->coded_frame->key_frame)
1553 pkt.flags |= PKT_FLAG_KEY;
1554 if (ost->logfile && enc->stats_out) {
1555 fprintf(ost->logfile, "%s", enc->stats_out);
1564 pkt.data= bit_buffer;
1566 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1567 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1568 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1580 static void print_sdp(AVFormatContext **avc, int n)
1584 avf_sdp_create(avc, n, sdp, sizeof(sdp));
1585 printf("SDP:\n%s\n", sdp);
1589 static int stream_index_from_inputs(AVFormatContext **input_files,
1591 AVInputFile *file_table,
1592 AVInputStream **ist_table,
1593 enum CodecType type,
1597 for(z=0; z<nb_input_files; z++) {
1598 AVFormatContext *ic = input_files[z];
1599 for(p=0; p<ic->nb_programs; p++) {
1600 AVProgram *program = ic->programs[p];
1601 if(program->id != programid)
1603 for(q=0; q<program->nb_stream_indexes; q++) {
1604 int sidx = program->stream_index[q];
1605 int ris = file_table[z].ist_index + sidx;
1606 if(ist_table[ris]->discard && ic->streams[sidx]->codec->codec_type == type)
1616 * The following code is the main loop of the file converter
1618 static int av_encode(AVFormatContext **output_files,
1619 int nb_output_files,
1620 AVFormatContext **input_files,
1622 AVStreamMap *stream_maps, int nb_stream_maps)
1624 int ret = 0, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1625 AVFormatContext *is, *os;
1626 AVCodecContext *codec, *icodec;
1627 AVOutputStream *ost, **ost_table = NULL;
1628 AVInputStream *ist, **ist_table = NULL;
1629 AVInputFile *file_table;
1633 uint8_t no_packet[MAX_FILES]={0};
1634 int no_packet_count=0;
1636 file_table= av_mallocz(nb_input_files * sizeof(AVInputFile));
1640 /* input stream init */
1642 for(i=0;i<nb_input_files;i++) {
1643 is = input_files[i];
1644 file_table[i].ist_index = j;
1645 file_table[i].nb_streams = is->nb_streams;
1646 j += is->nb_streams;
1650 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1654 for(i=0;i<nb_istreams;i++) {
1655 ist = av_mallocz(sizeof(AVInputStream));
1661 for(i=0;i<nb_input_files;i++) {
1662 is = input_files[i];
1663 for(k=0;k<is->nb_streams;k++) {
1664 ist = ist_table[j++];
1665 ist->st = is->streams[k];
1666 ist->file_index = i;
1668 ist->discard = 1; /* the stream is discarded by default
1672 ist->start = av_gettime();
1677 /* output stream init */
1679 for(i=0;i<nb_output_files;i++) {
1680 os = output_files[i];
1681 if (!os->nb_streams) {
1682 dump_format(output_files[i], i, output_files[i]->filename, 1);
1683 fprintf(stderr, "Output file #%d does not contain any stream\n", i);
1686 nb_ostreams += os->nb_streams;
1688 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1689 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1693 /* Sanity check the mapping args -- do the input files & streams exist? */
1694 for(i=0;i<nb_stream_maps;i++) {
1695 int fi = stream_maps[i].file_index;
1696 int si = stream_maps[i].stream_index;
1698 if (fi < 0 || fi > nb_input_files - 1 ||
1699 si < 0 || si > file_table[fi].nb_streams - 1) {
1700 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1703 fi = stream_maps[i].sync_file_index;
1704 si = stream_maps[i].sync_stream_index;
1705 if (fi < 0 || fi > nb_input_files - 1 ||
1706 si < 0 || si > file_table[fi].nb_streams - 1) {
1707 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1712 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1715 for(i=0;i<nb_ostreams;i++) {
1716 ost = av_mallocz(sizeof(AVOutputStream));
1723 for(k=0;k<nb_output_files;k++) {
1724 os = output_files[k];
1725 for(i=0;i<os->nb_streams;i++,n++) {
1728 ost->file_index = k;
1730 ost->st = os->streams[i];
1731 if (nb_stream_maps > 0) {
1732 ost->source_index = file_table[stream_maps[n].file_index].ist_index +
1733 stream_maps[n].stream_index;
1735 /* Sanity check that the stream types match */
1736 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1737 int i= ost->file_index;
1738 dump_format(output_files[i], i, output_files[i]->filename, 1);
1739 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1740 stream_maps[n].file_index, stream_maps[n].stream_index,
1741 ost->file_index, ost->index);
1748 j = stream_index_from_inputs(input_files, nb_input_files, file_table, ist_table, ost->st->codec->codec_type, opt_programid);
1750 ost->source_index = j;
1754 /* get corresponding input stream index : we select the first one with the right type */
1756 for(j=0;j<nb_istreams;j++) {
1759 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1760 ost->source_index = j;
1768 if(! opt_programid) {
1769 /* try again and reuse existing stream */
1770 for(j=0;j<nb_istreams;j++) {
1772 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1773 ost->source_index = j;
1779 int i= ost->file_index;
1780 dump_format(output_files[i], i, output_files[i]->filename, 1);
1781 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1782 ost->file_index, ost->index);
1787 ist = ist_table[ost->source_index];
1789 ost->sync_ist = (nb_stream_maps > 0) ?
1790 ist_table[file_table[stream_maps[n].sync_file_index].ist_index +
1791 stream_maps[n].sync_stream_index] : ist;
1795 /* for each output stream, we compute the right encoding parameters */
1796 for(i=0;i<nb_ostreams;i++) {
1797 AVMetadataTag *lang;
1799 os = output_files[ost->file_index];
1800 ist = ist_table[ost->source_index];
1802 codec = ost->st->codec;
1803 icodec = ist->st->codec;
1805 if ((lang=av_metadata_get(ist->st->metadata, "language", NULL, 0))
1806 && !av_metadata_get(ost->st->metadata, "language", NULL, 0))
1807 av_metadata_set(&ost->st->metadata, "language", lang->value);
1809 ost->st->disposition = ist->st->disposition;
1810 codec->bits_per_raw_sample= icodec->bits_per_raw_sample;
1811 codec->chroma_sample_location = icodec->chroma_sample_location;
1813 if (ost->st->stream_copy) {
1814 /* if stream_copy is selected, no need to decode or encode */
1815 codec->codec_id = icodec->codec_id;
1816 codec->codec_type = icodec->codec_type;
1818 if(!codec->codec_tag){
1819 if( !os->oformat->codec_tag
1820 || av_codec_get_id (os->oformat->codec_tag, icodec->codec_tag) > 0
1821 || av_codec_get_tag(os->oformat->codec_tag, icodec->codec_id) <= 0)
1822 codec->codec_tag = icodec->codec_tag;
1825 codec->bit_rate = icodec->bit_rate;
1826 codec->extradata= icodec->extradata;
1827 codec->extradata_size= icodec->extradata_size;
1828 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){
1829 codec->time_base = icodec->time_base;
1830 codec->time_base.num *= icodec->ticks_per_frame;
1832 codec->time_base = ist->st->time_base;
1833 switch(codec->codec_type) {
1834 case CODEC_TYPE_AUDIO:
1835 if(audio_volume != 256) {
1836 fprintf(stderr,"-acodec copy and -vol are incompatible (frames are not decoded)\n");
1839 codec->channel_layout = icodec->channel_layout;
1840 codec->sample_rate = icodec->sample_rate;
1841 codec->channels = icodec->channels;
1842 codec->frame_size = icodec->frame_size;
1843 codec->block_align= icodec->block_align;
1844 if(codec->block_align == 1 && codec->codec_id == CODEC_ID_MP3)
1845 codec->block_align= 0;
1846 if(codec->codec_id == CODEC_ID_AC3)
1847 codec->block_align= 0;
1849 case CODEC_TYPE_VIDEO:
1850 codec->pix_fmt = icodec->pix_fmt;
1851 codec->width = icodec->width;
1852 codec->height = icodec->height;
1853 codec->has_b_frames = icodec->has_b_frames;
1855 case CODEC_TYPE_SUBTITLE:
1856 codec->width = icodec->width;
1857 codec->height = icodec->height;
1863 switch(codec->codec_type) {
1864 case CODEC_TYPE_AUDIO:
1865 ost->fifo= av_fifo_alloc(1024);
1868 ost->reformat_pair = MAKE_SFMT_PAIR(SAMPLE_FMT_NONE,SAMPLE_FMT_NONE);
1869 ost->audio_resample = codec->sample_rate != icodec->sample_rate || audio_sync_method > 1;
1870 icodec->request_channels = codec->channels;
1871 ist->decoding_needed = 1;
1872 ost->encoding_needed = 1;
1874 case CODEC_TYPE_VIDEO:
1875 if (ost->st->codec->pix_fmt == PIX_FMT_NONE) {
1876 fprintf(stderr, "Video pixel format is unknown, stream cannot be decoded\n");
1879 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1880 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1881 ost->video_resample = ((codec->width != icodec->width -
1882 (frame_leftBand + frame_rightBand) +
1883 (frame_padleft + frame_padright)) ||
1884 (codec->height != icodec->height -
1885 (frame_topBand + frame_bottomBand) +
1886 (frame_padtop + frame_padbottom)) ||
1887 (codec->pix_fmt != icodec->pix_fmt));
1888 if (ost->video_crop) {
1889 ost->topBand = ost->original_topBand = frame_topBand;
1890 ost->bottomBand = ost->original_bottomBand = frame_bottomBand;
1891 ost->leftBand = ost->original_leftBand = frame_leftBand;
1892 ost->rightBand = ost->original_rightBand = frame_rightBand;
1894 if (ost->video_pad) {
1895 ost->padtop = frame_padtop;
1896 ost->padleft = frame_padleft;
1897 ost->padbottom = frame_padbottom;
1898 ost->padright = frame_padright;
1899 if (!ost->video_resample) {
1900 avcodec_get_frame_defaults(&ost->pict_tmp);
1901 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1902 codec->width, codec->height))
1906 if (ost->video_resample) {
1907 avcodec_get_frame_defaults(&ost->pict_tmp);
1908 if(avpicture_alloc((AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1909 codec->width, codec->height)) {
1910 fprintf(stderr, "Cannot allocate temp picture, check pix fmt\n");
1913 sws_flags = av_get_int(sws_opts, "sws_flags", NULL);
1914 ost->img_resample_ctx = sws_getContext(
1915 icodec->width - (frame_leftBand + frame_rightBand),
1916 icodec->height - (frame_topBand + frame_bottomBand),
1918 codec->width - (frame_padleft + frame_padright),
1919 codec->height - (frame_padtop + frame_padbottom),
1921 sws_flags, NULL, NULL, NULL);
1922 if (ost->img_resample_ctx == NULL) {
1923 fprintf(stderr, "Cannot get resampling context\n");
1927 ost->original_height = icodec->height;
1928 ost->original_width = icodec->width;
1930 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1931 ost->resample_width = icodec->width - (frame_leftBand + frame_rightBand);
1932 ost->resample_pix_fmt= icodec->pix_fmt;
1933 codec->bits_per_raw_sample= 0;
1935 ost->encoding_needed = 1;
1936 ist->decoding_needed = 1;
1938 case CODEC_TYPE_SUBTITLE:
1939 ost->encoding_needed = 1;
1940 ist->decoding_needed = 1;
1947 if (ost->encoding_needed &&
1948 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1949 char logfilename[1024];
1954 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1955 pass_logfilename_prefix ? pass_logfilename_prefix : DEFAULT_PASS_LOGFILENAME_PREFIX,
1957 if (codec->flags & CODEC_FLAG_PASS1) {
1958 f = fopen(logfilename, "w");
1960 fprintf(stderr, "Cannot write log file '%s' for pass-1 encoding: %s\n", logfilename, strerror(errno));
1965 /* read the log file */
1966 f = fopen(logfilename, "r");
1968 fprintf(stderr, "Cannot read log file '%s' for pass-2 encoding: %s\n", logfilename, strerror(errno));
1971 fseek(f, 0, SEEK_END);
1973 fseek(f, 0, SEEK_SET);
1974 logbuffer = av_malloc(size + 1);
1976 fprintf(stderr, "Could not allocate log buffer\n");
1979 size = fread(logbuffer, 1, size, f);
1981 logbuffer[size] = '\0';
1982 codec->stats_in = logbuffer;
1986 if(codec->codec_type == CODEC_TYPE_VIDEO){
1987 int size= codec->width * codec->height;
1988 bit_buffer_size= FFMAX(bit_buffer_size, 6*size + 200);
1993 bit_buffer = av_malloc(bit_buffer_size);
1995 fprintf(stderr, "Cannot allocate %d bytes output buffer\n",
1997 ret = AVERROR(ENOMEM);
2001 /* open each encoder */
2002 for(i=0;i<nb_ostreams;i++) {
2004 if (ost->encoding_needed) {
2005 AVCodec *codec = output_codecs[i];
2007 codec = avcodec_find_encoder(ost->st->codec->codec_id);
2009 snprintf(error, sizeof(error), "Encoder (codec id %d) not found for output stream #%d.%d",
2010 ost->st->codec->codec_id, ost->file_index, ost->index);
2011 ret = AVERROR(EINVAL);
2014 if (avcodec_open(ost->st->codec, codec) < 0) {
2015 snprintf(error, sizeof(error), "Error while opening encoder for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height",
2016 ost->file_index, ost->index);
2017 ret = AVERROR(EINVAL);
2020 extra_size += ost->st->codec->extradata_size;
2024 /* open each decoder */
2025 for(i=0;i<nb_istreams;i++) {
2027 if (ist->decoding_needed) {
2028 AVCodec *codec = input_codecs[i];
2030 codec = avcodec_find_decoder(ist->st->codec->codec_id);
2032 snprintf(error, sizeof(error), "Decoder (codec id %d) not found for input stream #%d.%d",
2033 ist->st->codec->codec_id, ist->file_index, ist->index);
2034 ret = AVERROR(EINVAL);
2037 if (avcodec_open(ist->st->codec, codec) < 0) {
2038 snprintf(error, sizeof(error), "Error while opening decoder for input stream #%d.%d",
2039 ist->file_index, ist->index);
2040 ret = AVERROR(EINVAL);
2043 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
2044 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
2049 for(i=0;i<nb_istreams;i++) {
2052 ist->next_pts = AV_NOPTS_VALUE;
2056 /* set meta data information from input file if required */
2057 for (i=0;i<nb_meta_data_maps;i++) {
2058 AVFormatContext *out_file;
2059 AVFormatContext *in_file;
2060 AVMetadataTag *mtag;
2062 int out_file_index = meta_data_maps[i].out_file;
2063 int in_file_index = meta_data_maps[i].in_file;
2064 if (out_file_index < 0 || out_file_index >= nb_output_files) {
2065 snprintf(error, sizeof(error), "Invalid output file index %d map_meta_data(%d,%d)",
2066 out_file_index, out_file_index, in_file_index);
2067 ret = AVERROR(EINVAL);
2070 if (in_file_index < 0 || in_file_index >= nb_input_files) {
2071 snprintf(error, sizeof(error), "Invalid input file index %d map_meta_data(%d,%d)",
2072 in_file_index, out_file_index, in_file_index);
2073 ret = AVERROR(EINVAL);
2077 out_file = output_files[out_file_index];
2078 in_file = input_files[in_file_index];
2082 while((mtag=av_metadata_get(in_file->metadata, "", mtag, AV_METADATA_IGNORE_SUFFIX)))
2083 av_metadata_set(&out_file->metadata, mtag->key, mtag->value);
2084 av_metadata_conv(out_file, out_file->oformat->metadata_conv,
2085 in_file->iformat->metadata_conv);
2088 /* open files and write file headers */
2089 for(i=0;i<nb_output_files;i++) {
2090 os = output_files[i];
2091 if (av_write_header(os) < 0) {
2092 snprintf(error, sizeof(error), "Could not write header for output file #%d (incorrect codec parameters ?)", i);
2093 ret = AVERROR(EINVAL);
2096 if (strcmp(output_files[i]->oformat->name, "rtp")) {
2102 /* dump the file output parameters - cannot be done before in case
2104 for(i=0;i<nb_output_files;i++) {
2105 dump_format(output_files[i], i, output_files[i]->filename, 1);
2108 /* dump the stream mapping */
2110 fprintf(stderr, "Stream mapping:\n");
2111 for(i=0;i<nb_ostreams;i++) {
2113 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
2114 ist_table[ost->source_index]->file_index,
2115 ist_table[ost->source_index]->index,
2118 if (ost->sync_ist != ist_table[ost->source_index])
2119 fprintf(stderr, " [sync #%d.%d]",
2120 ost->sync_ist->file_index,
2121 ost->sync_ist->index);
2122 fprintf(stderr, "\n");
2127 fprintf(stderr, "%s\n", error);
2132 print_sdp(output_files, nb_output_files);
2135 if (!using_stdin && verbose >= 0) {
2136 fprintf(stderr, "Press [q] to stop encoding\n");
2137 url_set_interrupt_cb(decode_interrupt_cb);
2141 timer_start = av_gettime();
2143 for(; received_sigterm == 0;) {
2144 int file_index, ist_index;
2152 /* if 'q' pressed, exits */
2156 /* read_key() returns 0 on EOF */
2162 /* select the stream that we must read now by looking at the
2163 smallest output pts */
2165 for(i=0;i<nb_ostreams;i++) {
2168 os = output_files[ost->file_index];
2169 ist = ist_table[ost->source_index];
2170 if(no_packet[ist->file_index])
2172 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
2173 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2175 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2176 ipts = (double)ist->pts;
2177 if (!file_table[ist->file_index].eof_reached){
2178 if(ipts < ipts_min) {
2180 if(input_sync ) file_index = ist->file_index;
2182 if(opts < opts_min) {
2184 if(!input_sync) file_index = ist->file_index;
2187 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2192 /* if none, if is finished */
2193 if (file_index < 0) {
2194 if(no_packet_count){
2196 memset(no_packet, 0, sizeof(no_packet));
2203 /* finish if recording time exhausted */
2204 if (opts_min >= (recording_time / 1000000.0))
2207 /* finish if limit size exhausted */
2208 if (limit_filesize != 0 && limit_filesize < url_ftell(output_files[0]->pb))
2211 /* read a frame from it and output it in the fifo */
2212 is = input_files[file_index];
2213 ret= av_read_frame(is, &pkt);
2214 if(ret == AVERROR(EAGAIN)){
2215 no_packet[file_index]=1;
2220 file_table[file_index].eof_reached = 1;
2228 memset(no_packet, 0, sizeof(no_packet));
2231 av_pkt_dump_log(NULL, AV_LOG_DEBUG, &pkt, do_hex_dump);
2233 /* the following test is needed in case new streams appear
2234 dynamically in stream : we ignore them */
2235 if (pkt.stream_index >= file_table[file_index].nb_streams)
2236 goto discard_packet;
2237 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2238 ist = ist_table[ist_index];
2240 goto discard_packet;
2242 if (pkt.dts != AV_NOPTS_VALUE)
2243 pkt.dts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2244 if (pkt.pts != AV_NOPTS_VALUE)
2245 pkt.pts += av_rescale_q(input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ist->st->time_base);
2247 if(input_files_ts_scale[file_index][pkt.stream_index]){
2248 if(pkt.pts != AV_NOPTS_VALUE)
2249 pkt.pts *= input_files_ts_scale[file_index][pkt.stream_index];
2250 if(pkt.dts != AV_NOPTS_VALUE)
2251 pkt.dts *= input_files_ts_scale[file_index][pkt.stream_index];
2254 // 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);
2255 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE
2256 && (is->iformat->flags & AVFMT_TS_DISCONT)) {
2257 int64_t pkt_dts= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q);
2258 int64_t delta= pkt_dts - ist->next_pts;
2259 if((FFABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE || pkt_dts+1<ist->pts)&& !copy_ts){
2260 input_files_ts_offset[ist->file_index]-= delta;
2262 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2263 pkt.dts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2264 if(pkt.pts != AV_NOPTS_VALUE)
2265 pkt.pts-= av_rescale_q(delta, AV_TIME_BASE_Q, ist->st->time_base);
2269 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2270 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2273 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2274 ist->file_index, ist->index);
2277 av_free_packet(&pkt);
2282 av_free_packet(&pkt);
2284 /* dump report by using the output first video and audio streams */
2285 print_report(output_files, ost_table, nb_ostreams, 0);
2288 /* at the end of stream, we must flush the decoder buffers */
2289 for(i=0;i<nb_istreams;i++) {
2291 if (ist->decoding_needed) {
2292 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2298 /* write the trailer if needed and close file */
2299 for(i=0;i<nb_output_files;i++) {
2300 os = output_files[i];
2301 av_write_trailer(os);
2304 /* dump report by using the first video and audio streams */
2305 print_report(output_files, ost_table, nb_ostreams, 1);
2307 /* close each encoder */
2308 for(i=0;i<nb_ostreams;i++) {
2310 if (ost->encoding_needed) {
2311 av_freep(&ost->st->codec->stats_in);
2312 avcodec_close(ost->st->codec);
2316 /* close each decoder */
2317 for(i=0;i<nb_istreams;i++) {
2319 if (ist->decoding_needed) {
2320 avcodec_close(ist->st->codec);
2328 av_freep(&bit_buffer);
2329 av_free(file_table);
2332 for(i=0;i<nb_istreams;i++) {
2339 for(i=0;i<nb_ostreams;i++) {
2343 fclose(ost->logfile);
2344 ost->logfile = NULL;
2346 av_fifo_free(ost->fifo); /* works even if fifo is not
2347 initialized but set to zero */
2348 av_free(ost->pict_tmp.data[0]);
2349 if (ost->video_resample)
2350 sws_freeContext(ost->img_resample_ctx);
2352 audio_resample_close(ost->resample);
2353 if (ost->reformat_ctx)
2354 av_audio_convert_free(ost->reformat_ctx);
2363 static void opt_format(const char *arg)
2365 /* compatibility stuff for pgmyuv */
2366 if (!strcmp(arg, "pgmyuv")) {
2367 pgmyuv_compatibility_hack=1;
2368 // opt_image_format(arg);
2370 fprintf(stderr, "pgmyuv format is deprecated, use image2\n");
2373 file_iformat = av_find_input_format(arg);
2374 file_oformat = guess_format(arg, NULL, NULL);
2375 if (!file_iformat && !file_oformat) {
2376 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2381 static void opt_video_rc_override_string(const char *arg)
2383 video_rc_override_string = arg;
2386 static int opt_me_threshold(const char *opt, const char *arg)
2388 me_threshold = parse_number_or_die(opt, arg, OPT_INT64, INT_MIN, INT_MAX);
2392 static int opt_verbose(const char *opt, const char *arg)
2394 verbose = parse_number_or_die(opt, arg, OPT_INT64, -10, 10);
2398 static int opt_frame_rate(const char *opt, const char *arg)
2400 if (av_parse_video_frame_rate(&frame_rate, arg) < 0) {
2401 fprintf(stderr, "Incorrect value for %s: %s\n", opt, arg);
2407 static int opt_bitrate(const char *opt, const char *arg)
2409 int codec_type = opt[0]=='a' ? CODEC_TYPE_AUDIO : CODEC_TYPE_VIDEO;
2411 opt_default(opt, arg);
2413 if (av_get_int(avcodec_opts[codec_type], "b", NULL) < 1000)
2414 fprintf(stderr, "WARNING: The bitrate parameter is set too low. It takes bits/s as argument, not kbits/s\n");
2419 static void opt_frame_crop_top(const char *arg)
2421 frame_topBand = atoi(arg);
2422 if (frame_topBand < 0) {
2423 fprintf(stderr, "Incorrect top crop size\n");
2426 if ((frame_topBand) >= frame_height){
2427 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2430 frame_height -= frame_topBand;
2433 static void opt_frame_crop_bottom(const char *arg)
2435 frame_bottomBand = atoi(arg);
2436 if (frame_bottomBand < 0) {
2437 fprintf(stderr, "Incorrect bottom crop size\n");
2440 if ((frame_bottomBand) >= frame_height){
2441 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2444 frame_height -= frame_bottomBand;
2447 static void opt_frame_crop_left(const char *arg)
2449 frame_leftBand = atoi(arg);
2450 if (frame_leftBand < 0) {
2451 fprintf(stderr, "Incorrect left crop size\n");
2454 if ((frame_leftBand) >= frame_width){
2455 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2458 frame_width -= frame_leftBand;
2461 static void opt_frame_crop_right(const char *arg)
2463 frame_rightBand = atoi(arg);
2464 if (frame_rightBand < 0) {
2465 fprintf(stderr, "Incorrect right crop size\n");
2468 if ((frame_rightBand) >= frame_width){
2469 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2472 frame_width -= frame_rightBand;
2475 static void opt_frame_size(const char *arg)
2477 if (av_parse_video_frame_size(&frame_width, &frame_height, arg) < 0) {
2478 fprintf(stderr, "Incorrect frame size\n");
2481 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2482 fprintf(stderr, "Frame size must be a multiple of 2\n");
2487 static void opt_pad_color(const char *arg) {
2488 /* Input is expected to be six hex digits similar to
2489 how colors are expressed in html tags (but without the #) */
2490 int rgb = strtol(arg, NULL, 16);
2494 g = ((rgb >> 8) & 255);
2497 padcolor[0] = RGB_TO_Y(r,g,b);
2498 padcolor[1] = RGB_TO_U(r,g,b,0);
2499 padcolor[2] = RGB_TO_V(r,g,b,0);
2502 static void opt_frame_pad_top(const char *arg)
2504 frame_padtop = atoi(arg);
2505 if (frame_padtop < 0) {
2506 fprintf(stderr, "Incorrect top pad size\n");
2511 static void opt_frame_pad_bottom(const char *arg)
2513 frame_padbottom = atoi(arg);
2514 if (frame_padbottom < 0) {
2515 fprintf(stderr, "Incorrect bottom pad size\n");
2521 static void opt_frame_pad_left(const char *arg)
2523 frame_padleft = atoi(arg);
2524 if (frame_padleft < 0) {
2525 fprintf(stderr, "Incorrect left pad size\n");
2531 static void opt_frame_pad_right(const char *arg)
2533 frame_padright = atoi(arg);
2534 if (frame_padright < 0) {
2535 fprintf(stderr, "Incorrect right pad size\n");
2540 static void list_fmts(void (*get_fmt_string)(char *buf, int buf_size, int fmt), int nb_fmts)
2544 for (i=-1; i < nb_fmts; i++) {
2545 get_fmt_string (fmt_str, sizeof(fmt_str), i);
2546 fprintf(stdout, "%s\n", fmt_str);
2550 static void opt_frame_pix_fmt(const char *arg)
2552 if (strcmp(arg, "list")) {
2553 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2554 if (frame_pix_fmt == PIX_FMT_NONE) {
2555 fprintf(stderr, "Unknown pixel format requested: %s\n", arg);
2559 list_fmts(avcodec_pix_fmt_string, PIX_FMT_NB);
2564 static void opt_frame_aspect_ratio(const char *arg)
2571 p = strchr(arg, ':');
2573 x = strtol(arg, &end, 10);
2575 y = strtol(end+1, &end, 10);
2577 ar = (double)x / (double)y;
2579 ar = strtod(arg, NULL);
2582 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2585 frame_aspect_ratio = ar;
2588 static int opt_metadata(const char *opt, const char *arg)
2590 char *mid= strchr(arg, '=');
2593 fprintf(stderr, "Missing =\n");
2599 metadata= av_realloc(metadata, sizeof(*metadata)*metadata_count);
2600 metadata[metadata_count-1].key = av_strdup(arg);
2601 metadata[metadata_count-1].value= av_strdup(mid);
2606 static void opt_qscale(const char *arg)
2608 video_qscale = atof(arg);
2609 if (video_qscale <= 0 ||
2610 video_qscale > 255) {
2611 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2616 static void opt_top_field_first(const char *arg)
2618 top_field_first= atoi(arg);
2621 static int opt_thread_count(const char *opt, const char *arg)
2623 thread_count= parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2626 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2631 static void opt_audio_sample_fmt(const char *arg)
2633 if (strcmp(arg, "list"))
2634 audio_sample_fmt = avcodec_get_sample_fmt(arg);
2636 list_fmts(avcodec_sample_fmt_string, SAMPLE_FMT_NB);
2641 static int opt_audio_rate(const char *opt, const char *arg)
2643 audio_sample_rate = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2647 static int opt_audio_channels(const char *opt, const char *arg)
2649 audio_channels = parse_number_or_die(opt, arg, OPT_INT64, 0, INT_MAX);
2653 static void opt_video_channel(const char *arg)
2655 video_channel = strtol(arg, NULL, 0);
2658 static void opt_video_standard(const char *arg)
2660 video_standard = av_strdup(arg);
2663 static void opt_codec(int *pstream_copy, char **pcodec_name,
2664 int codec_type, const char *arg)
2666 av_freep(pcodec_name);
2667 if (!strcmp(arg, "copy")) {
2670 *pcodec_name = av_strdup(arg);
2674 static void opt_audio_codec(const char *arg)
2676 opt_codec(&audio_stream_copy, &audio_codec_name, CODEC_TYPE_AUDIO, arg);
2679 static void opt_audio_tag(const char *arg)
2682 audio_codec_tag= strtol(arg, &tail, 0);
2685 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2688 static void opt_video_tag(const char *arg)
2691 video_codec_tag= strtol(arg, &tail, 0);
2694 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2697 static void opt_video_codec(const char *arg)
2699 opt_codec(&video_stream_copy, &video_codec_name, CODEC_TYPE_VIDEO, arg);
2702 static void opt_subtitle_codec(const char *arg)
2704 opt_codec(&subtitle_stream_copy, &subtitle_codec_name, CODEC_TYPE_SUBTITLE, arg);
2707 static void opt_subtitle_tag(const char *arg)
2710 subtitle_codec_tag= strtol(arg, &tail, 0);
2713 subtitle_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2716 static void opt_map(const char *arg)
2721 m = &stream_maps[nb_stream_maps++];
2723 m->file_index = strtol(arg, &p, 0);
2727 m->stream_index = strtol(p, &p, 0);
2730 m->sync_file_index = strtol(p, &p, 0);
2733 m->sync_stream_index = strtol(p, &p, 0);
2735 m->sync_file_index = m->file_index;
2736 m->sync_stream_index = m->stream_index;
2740 static void opt_map_meta_data(const char *arg)
2745 m = &meta_data_maps[nb_meta_data_maps++];
2747 m->out_file = strtol(arg, &p, 0);
2751 m->in_file = strtol(p, &p, 0);
2754 static void opt_input_ts_scale(const char *arg)
2756 unsigned int stream;
2760 stream = strtol(arg, &p, 0);
2763 scale= strtod(p, &p);
2765 if(stream >= MAX_STREAMS)
2768 input_files_ts_scale[nb_input_files][stream]= scale;
2771 static int opt_recording_time(const char *opt, const char *arg)
2773 recording_time = parse_time_or_die(opt, arg, 1);
2777 static int opt_start_time(const char *opt, const char *arg)
2779 start_time = parse_time_or_die(opt, arg, 1);
2783 static int opt_rec_timestamp(const char *opt, const char *arg)
2785 rec_timestamp = parse_time_or_die(opt, arg, 0) / 1000000;
2789 static int opt_input_ts_offset(const char *opt, const char *arg)
2791 input_ts_offset = parse_time_or_die(opt, arg, 1);
2795 static enum CodecID find_codec_or_die(const char *name, int type, int encoder)
2797 const char *codec_string = encoder ? "encoder" : "decoder";
2801 return CODEC_ID_NONE;
2803 avcodec_find_encoder_by_name(name) :
2804 avcodec_find_decoder_by_name(name);
2806 fprintf(stderr, "Unknown %s '%s'\n", codec_string, name);
2809 if(codec->type != type) {
2810 fprintf(stderr, "Invalid %s type '%s'\n", codec_string, name);
2816 static void opt_input_file(const char *filename)
2818 AVFormatContext *ic;
2819 AVFormatParameters params, *ap = ¶ms;
2820 int err, i, ret, rfps, rfps_base;
2823 if (!strcmp(filename, "-"))
2826 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2827 !strcmp(filename, "/dev/stdin");
2829 /* get default parameters from command line */
2830 ic = avformat_alloc_context();
2832 memset(ap, 0, sizeof(*ap));
2833 ap->prealloced_context = 1;
2834 ap->sample_rate = audio_sample_rate;
2835 ap->channels = audio_channels;
2836 ap->time_base.den = frame_rate.num;
2837 ap->time_base.num = frame_rate.den;
2838 ap->width = frame_width + frame_padleft + frame_padright;
2839 ap->height = frame_height + frame_padtop + frame_padbottom;
2840 ap->pix_fmt = frame_pix_fmt;
2841 // ap->sample_fmt = audio_sample_fmt; //FIXME:not implemented in libavformat
2842 ap->channel = video_channel;
2843 ap->standard = video_standard;
2844 ap->video_codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 0);
2845 ap->audio_codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 0);
2846 if(pgmyuv_compatibility_hack)
2847 ap->video_codec_id= CODEC_ID_PGMYUV;
2849 set_context_opts(ic, avformat_opts, AV_OPT_FLAG_DECODING_PARAM);
2851 ic->video_codec_id = find_codec_or_die(video_codec_name , CODEC_TYPE_VIDEO , 0);
2852 ic->audio_codec_id = find_codec_or_die(audio_codec_name , CODEC_TYPE_AUDIO , 0);
2853 ic->subtitle_codec_id= find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 0);
2854 ic->flags |= AVFMT_FLAG_NONBLOCK;
2856 /* open the input file with generic libav function */
2857 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2859 print_error(filename, err);
2864 for(i=0; i<ic->nb_programs; i++)
2865 if(ic->programs[i]->id != opt_programid)
2866 ic->programs[i]->discard = AVDISCARD_ALL;
2869 ic->loop_input = loop_input;
2871 /* If not enough info to get the stream parameters, we decode the
2872 first frames to get it. (used in mpeg case for example) */
2873 ret = av_find_stream_info(ic);
2874 if (ret < 0 && verbose >= 0) {
2875 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2879 timestamp = start_time;
2880 /* add the stream start time */
2881 if (ic->start_time != AV_NOPTS_VALUE)
2882 timestamp += ic->start_time;
2884 /* if seeking requested, we execute it */
2885 if (start_time != 0) {
2886 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2888 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2889 filename, (double)timestamp / AV_TIME_BASE);
2891 /* reset seek info */
2895 /* update the current parameters so that they match the one of the input stream */
2896 for(i=0;i<ic->nb_streams;i++) {
2897 AVCodecContext *enc = ic->streams[i]->codec;
2899 avcodec_thread_init(enc, thread_count);
2900 enc->thread_count= thread_count;
2901 switch(enc->codec_type) {
2902 case CODEC_TYPE_AUDIO:
2903 set_context_opts(enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2904 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2905 channel_layout = enc->channel_layout;
2906 audio_channels = enc->channels;
2907 audio_sample_rate = enc->sample_rate;
2908 audio_sample_fmt = enc->sample_fmt;
2909 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(audio_codec_name);
2911 ic->streams[i]->discard= AVDISCARD_ALL;
2913 case CODEC_TYPE_VIDEO:
2914 set_context_opts(enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_DECODING_PARAM);
2915 frame_height = enc->height;
2916 frame_width = enc->width;
2917 if(ic->streams[i]->sample_aspect_ratio.num)
2918 frame_aspect_ratio=av_q2d(ic->streams[i]->sample_aspect_ratio);
2920 frame_aspect_ratio=av_q2d(enc->sample_aspect_ratio);
2921 frame_aspect_ratio *= (float) enc->width / enc->height;
2922 frame_pix_fmt = enc->pix_fmt;
2923 rfps = ic->streams[i]->r_frame_rate.num;
2924 rfps_base = ic->streams[i]->r_frame_rate.den;
2925 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2927 enc->debug |= FF_DEBUG_MV;
2929 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2932 fprintf(stderr,"\nSeems stream %d codec frame rate differs from container frame rate: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2933 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2935 (float)rfps / rfps_base, rfps, rfps_base);
2937 /* update the current frame rate to match the stream frame rate */
2938 frame_rate.num = rfps;
2939 frame_rate.den = rfps_base;
2941 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(video_codec_name);
2943 ic->streams[i]->discard= AVDISCARD_ALL;
2944 else if(video_discard)
2945 ic->streams[i]->discard= video_discard;
2947 case CODEC_TYPE_DATA:
2949 case CODEC_TYPE_SUBTITLE:
2950 input_codecs[nb_icodecs++] = avcodec_find_decoder_by_name(subtitle_codec_name);
2951 if(subtitle_disable)
2952 ic->streams[i]->discard = AVDISCARD_ALL;
2954 case CODEC_TYPE_ATTACHMENT:
2955 case CODEC_TYPE_UNKNOWN:
2963 input_files[nb_input_files] = ic;
2964 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2965 /* dump the file content */
2967 dump_format(ic, nb_input_files, filename, 0);
2970 file_iformat = NULL;
2971 file_oformat = NULL;
2975 av_freep(&video_codec_name);
2976 av_freep(&audio_codec_name);
2977 av_freep(&subtitle_codec_name);
2980 static void check_audio_video_sub_inputs(int *has_video_ptr, int *has_audio_ptr,
2981 int *has_subtitle_ptr)
2983 int has_video, has_audio, has_subtitle, i, j;
2984 AVFormatContext *ic;
2989 for(j=0;j<nb_input_files;j++) {
2990 ic = input_files[j];
2991 for(i=0;i<ic->nb_streams;i++) {
2992 AVCodecContext *enc = ic->streams[i]->codec;
2993 switch(enc->codec_type) {
2994 case CODEC_TYPE_AUDIO:
2997 case CODEC_TYPE_VIDEO:
3000 case CODEC_TYPE_SUBTITLE:
3003 case CODEC_TYPE_DATA:
3004 case CODEC_TYPE_ATTACHMENT:
3005 case CODEC_TYPE_UNKNOWN:
3012 *has_video_ptr = has_video;
3013 *has_audio_ptr = has_audio;
3014 *has_subtitle_ptr = has_subtitle;
3017 static void new_video_stream(AVFormatContext *oc)
3020 AVCodecContext *video_enc;
3021 enum CodecID codec_id;
3023 st = av_new_stream(oc, oc->nb_streams);
3025 fprintf(stderr, "Could not alloc stream\n");
3028 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_VIDEO);
3029 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
3030 video_bitstream_filters= NULL;
3033 avcodec_thread_init(st->codec, thread_count);
3035 video_enc = st->codec;
3038 video_enc->codec_tag= video_codec_tag;
3040 if( (video_global_header&1)
3041 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3042 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3043 avcodec_opts[CODEC_TYPE_VIDEO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3045 if(video_global_header&2){
3046 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3047 avcodec_opts[CODEC_TYPE_VIDEO]->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3050 if (video_stream_copy) {
3051 st->stream_copy = 1;
3052 video_enc->codec_type = CODEC_TYPE_VIDEO;
3053 video_enc->sample_aspect_ratio =
3054 st->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3059 AVRational fps= frame_rate.num ? frame_rate : (AVRational){25,1};
3061 if (video_codec_name) {
3062 codec_id = find_codec_or_die(video_codec_name, CODEC_TYPE_VIDEO, 1);
3063 codec = avcodec_find_encoder_by_name(video_codec_name);
3064 output_codecs[nb_ocodecs] = codec;
3066 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3067 codec = avcodec_find_encoder(codec_id);
3070 video_enc->codec_id = codec_id;
3072 set_context_opts(video_enc, avcodec_opts[CODEC_TYPE_VIDEO], AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3074 if (codec && codec->supported_framerates && !force_fps)
3075 fps = codec->supported_framerates[av_find_nearest_q_idx(fps, codec->supported_framerates)];
3076 video_enc->time_base.den = fps.num;
3077 video_enc->time_base.num = fps.den;
3079 video_enc->width = frame_width + frame_padright + frame_padleft;
3080 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3081 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3082 video_enc->pix_fmt = frame_pix_fmt;
3083 st->sample_aspect_ratio = video_enc->sample_aspect_ratio;
3085 if(codec && codec->pix_fmts){
3086 const enum PixelFormat *p= codec->pix_fmts;
3088 if(*p == video_enc->pix_fmt)
3092 video_enc->pix_fmt = codec->pix_fmts[0];
3096 video_enc->gop_size = 0;
3097 if (video_qscale || same_quality) {
3098 video_enc->flags |= CODEC_FLAG_QSCALE;
3099 video_enc->global_quality=
3100 st->quality = FF_QP2LAMBDA * video_qscale;
3104 video_enc->intra_matrix = intra_matrix;
3106 video_enc->inter_matrix = inter_matrix;
3108 video_enc->thread_count = thread_count;
3109 p= video_rc_override_string;
3112 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3114 fprintf(stderr, "error parsing rc_override\n");
3117 video_enc->rc_override=
3118 av_realloc(video_enc->rc_override,
3119 sizeof(RcOverride)*(i+1));
3120 video_enc->rc_override[i].start_frame= start;
3121 video_enc->rc_override[i].end_frame = end;
3123 video_enc->rc_override[i].qscale= q;
3124 video_enc->rc_override[i].quality_factor= 1.0;
3127 video_enc->rc_override[i].qscale= 0;
3128 video_enc->rc_override[i].quality_factor= -q/100.0;
3133 video_enc->rc_override_count=i;
3134 if (!video_enc->rc_initial_buffer_occupancy)
3135 video_enc->rc_initial_buffer_occupancy = video_enc->rc_buffer_size*3/4;
3136 video_enc->me_threshold= me_threshold;
3137 video_enc->intra_dc_precision= intra_dc_precision - 8;
3140 video_enc->flags|= CODEC_FLAG_PSNR;
3145 video_enc->flags |= CODEC_FLAG_PASS1;
3147 video_enc->flags |= CODEC_FLAG_PASS2;
3153 /* reset some key parameters */
3155 av_freep(&video_codec_name);
3156 video_stream_copy = 0;
3159 static void new_audio_stream(AVFormatContext *oc)
3162 AVCodecContext *audio_enc;
3163 enum CodecID codec_id;
3165 st = av_new_stream(oc, oc->nb_streams);
3167 fprintf(stderr, "Could not alloc stream\n");
3170 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_AUDIO);
3172 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3173 audio_bitstream_filters= NULL;
3176 avcodec_thread_init(st->codec, thread_count);
3178 audio_enc = st->codec;
3179 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3182 audio_enc->codec_tag= audio_codec_tag;
3184 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3185 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3186 avcodec_opts[CODEC_TYPE_AUDIO]->flags|= CODEC_FLAG_GLOBAL_HEADER;
3188 if (audio_stream_copy) {
3189 st->stream_copy = 1;
3190 audio_enc->channels = audio_channels;
3194 set_context_opts(audio_enc, avcodec_opts[CODEC_TYPE_AUDIO], AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3196 if (audio_codec_name) {
3197 codec_id = find_codec_or_die(audio_codec_name, CODEC_TYPE_AUDIO, 1);
3198 codec = avcodec_find_encoder_by_name(audio_codec_name);
3199 output_codecs[nb_ocodecs] = codec;
3201 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3202 codec = avcodec_find_encoder(codec_id);
3204 audio_enc->codec_id = codec_id;
3206 if (audio_qscale > QSCALE_NONE) {
3207 audio_enc->flags |= CODEC_FLAG_QSCALE;
3208 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3210 audio_enc->thread_count = thread_count;
3211 audio_enc->channels = audio_channels;
3212 audio_enc->sample_fmt = audio_sample_fmt;
3213 audio_enc->channel_layout = channel_layout;
3214 if (avcodec_channel_layout_num_channels(channel_layout) != audio_channels)
3215 audio_enc->channel_layout = 0;
3217 if(codec && codec->sample_fmts){
3218 const enum SampleFormat *p= codec->sample_fmts;
3220 if(*p == audio_enc->sample_fmt)
3224 audio_enc->sample_fmt = codec->sample_fmts[0];
3228 audio_enc->sample_rate = audio_sample_rate;
3229 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3230 if (audio_language) {
3231 av_metadata_set(&st->metadata, "language", audio_language);
3232 av_free(audio_language);
3233 audio_language = NULL;
3236 /* reset some key parameters */
3238 av_freep(&audio_codec_name);
3239 audio_stream_copy = 0;
3242 static void new_subtitle_stream(AVFormatContext *oc)
3245 AVCodecContext *subtitle_enc;
3247 st = av_new_stream(oc, oc->nb_streams);
3249 fprintf(stderr, "Could not alloc stream\n");
3252 avcodec_get_context_defaults2(st->codec, CODEC_TYPE_SUBTITLE);
3254 bitstream_filters[nb_output_files][oc->nb_streams - 1]= subtitle_bitstream_filters;
3255 subtitle_bitstream_filters= NULL;
3257 subtitle_enc = st->codec;
3258 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3260 if(subtitle_codec_tag)
3261 subtitle_enc->codec_tag= subtitle_codec_tag;
3263 if (subtitle_stream_copy) {
3264 st->stream_copy = 1;
3266 set_context_opts(avcodec_opts[CODEC_TYPE_SUBTITLE], subtitle_enc, AV_OPT_FLAG_SUBTITLE_PARAM | AV_OPT_FLAG_ENCODING_PARAM);
3267 subtitle_enc->codec_id = find_codec_or_die(subtitle_codec_name, CODEC_TYPE_SUBTITLE, 1);
3268 output_codecs[nb_ocodecs] = avcodec_find_encoder_by_name(subtitle_codec_name);
3272 if (subtitle_language) {
3273 av_metadata_set(&st->metadata, "language", subtitle_language);
3274 av_free(subtitle_language);
3275 subtitle_language = NULL;
3278 subtitle_disable = 0;
3279 av_freep(&subtitle_codec_name);
3280 subtitle_stream_copy = 0;
3283 static void opt_new_audio_stream(void)
3285 AVFormatContext *oc;
3286 if (nb_output_files <= 0) {
3287 fprintf(stderr, "At least one output file must be specified\n");
3290 oc = output_files[nb_output_files - 1];
3291 new_audio_stream(oc);
3294 static void opt_new_video_stream(void)
3296 AVFormatContext *oc;
3297 if (nb_output_files <= 0) {
3298 fprintf(stderr, "At least one output file must be specified\n");
3301 oc = output_files[nb_output_files - 1];
3302 new_video_stream(oc);
3305 static void opt_new_subtitle_stream(void)
3307 AVFormatContext *oc;
3308 if (nb_output_files <= 0) {
3309 fprintf(stderr, "At least one output file must be specified\n");
3312 oc = output_files[nb_output_files - 1];
3313 new_subtitle_stream(oc);
3316 static void opt_output_file(const char *filename)
3318 AVFormatContext *oc;
3319 int use_video, use_audio, use_subtitle;
3320 int input_has_video, input_has_audio, input_has_subtitle;
3321 AVFormatParameters params, *ap = ¶ms;
3323 if (!strcmp(filename, "-"))
3326 oc = avformat_alloc_context();
3328 if (!file_oformat) {
3329 file_oformat = guess_format(NULL, filename, NULL);
3330 if (!file_oformat) {
3331 fprintf(stderr, "Unable to find a suitable output format for '%s'\n",
3337 oc->oformat = file_oformat;
3338 av_strlcpy(oc->filename, filename, sizeof(oc->filename));
3340 if (!strcmp(file_oformat->name, "ffm") &&
3341 av_strstart(filename, "http:", NULL)) {
3342 /* special case for files sent to ffserver: we get the stream
3343 parameters from ffserver */
3344 int err = read_ffserver_streams(oc, filename);
3346 print_error(filename, err);
3350 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_name;
3351 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_name;
3352 use_subtitle = file_oformat->subtitle_codec != CODEC_ID_NONE || subtitle_stream_copy || subtitle_codec_name;
3354 /* disable if no corresponding type found and at least one
3356 if (nb_input_files > 0) {
3357 check_audio_video_sub_inputs(&input_has_video, &input_has_audio,
3358 &input_has_subtitle);
3359 if (!input_has_video)
3361 if (!input_has_audio)
3363 if (!input_has_subtitle)
3367 /* manual disable */
3368 if (audio_disable) {
3371 if (video_disable) {
3374 if (subtitle_disable) {
3379 new_video_stream(oc);
3383 new_audio_stream(oc);
3387 new_subtitle_stream(oc);
3390 oc->timestamp = rec_timestamp;
3392 for(; metadata_count>0; metadata_count--){
3393 av_metadata_set(&oc->metadata, metadata[metadata_count-1].key,
3394 metadata[metadata_count-1].value);
3396 av_metadata_conv(oc, oc->oformat->metadata_conv, NULL);
3399 output_files[nb_output_files++] = oc;
3401 /* check filename in case of an image number is expected */
3402 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3403 if (!av_filename_number_test(oc->filename)) {
3404 print_error(oc->filename, AVERROR_NUMEXPECTED);
3409 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3410 /* test if it already exists to avoid loosing precious files */
3411 if (!file_overwrite &&
3412 (strchr(filename, ':') == NULL ||
3413 filename[1] == ':' ||
3414 av_strstart(filename, "file:", NULL))) {
3415 if (url_exist(filename)) {
3417 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3419 if (!read_yesno()) {
3420 fprintf(stderr, "Not overwriting - exiting\n");
3425 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3432 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3433 fprintf(stderr, "Could not open '%s'\n", filename);
3438 memset(ap, 0, sizeof(*ap));
3439 if (av_set_parameters(oc, ap) < 0) {
3440 fprintf(stderr, "%s: Invalid encoding parameters\n",
3445 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3446 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3447 oc->loop_output = loop_output;
3448 oc->flags |= AVFMT_FLAG_NONBLOCK;
3450 set_context_opts(oc, avformat_opts, AV_OPT_FLAG_ENCODING_PARAM);
3452 /* reset some options */
3453 file_oformat = NULL;
3454 file_iformat = NULL;
3457 /* same option as mencoder */
3458 static void opt_pass(const char *pass_str)
3461 pass = atoi(pass_str);
3462 if (pass != 1 && pass != 2) {
3463 fprintf(stderr, "pass number can be only 1 or 2\n");
3469 static int64_t getutime(void)
3472 struct rusage rusage;
3474 getrusage(RUSAGE_SELF, &rusage);
3475 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3476 #elif HAVE_GETPROCESSTIMES
3478 FILETIME c, e, k, u;
3479 proc = GetCurrentProcess();
3480 GetProcessTimes(proc, &c, &e, &k, &u);
3481 return ((int64_t) u.dwHighDateTime << 32 | u.dwLowDateTime) / 10;
3483 return av_gettime();
3487 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3490 const char *p = str;
3497 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3504 static void opt_inter_matrix(const char *arg)
3506 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3507 parse_matrix_coeffs(inter_matrix, arg);
3510 static void opt_intra_matrix(const char *arg)
3512 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3513 parse_matrix_coeffs(intra_matrix, arg);
3517 * Trivial log callback.
3518 * Only suitable for show_help and similar since it lacks prefix handling.
3520 static void log_callback_help(void* ptr, int level, const char* fmt, va_list vl)
3522 vfprintf(stdout, fmt, vl);
3525 static void show_help(void)
3527 av_log_set_callback(log_callback_help);
3528 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3529 "Hyper fast Audio and Video encoder\n");
3531 show_help_options(options, "Main options:\n",
3532 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB, 0);
3533 show_help_options(options, "\nAdvanced options:\n",
3534 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_SUBTITLE | OPT_GRAB,
3536 show_help_options(options, "\nVideo options:\n",
3537 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3539 show_help_options(options, "\nAdvanced Video options:\n",
3540 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3541 OPT_VIDEO | OPT_EXPERT);
3542 show_help_options(options, "\nAudio options:\n",
3543 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3545 show_help_options(options, "\nAdvanced Audio options:\n",
3546 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3547 OPT_AUDIO | OPT_EXPERT);
3548 show_help_options(options, "\nSubtitle options:\n",
3549 OPT_SUBTITLE | OPT_GRAB,
3551 show_help_options(options, "\nAudio/Video grab options:\n",
3555 av_opt_show(avcodec_opts[0], NULL);
3557 av_opt_show(avformat_opts, NULL);
3559 av_opt_show(sws_opts, NULL);
3562 static void opt_target(const char *arg)
3565 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3567 if(!strncmp(arg, "pal-", 4)) {
3570 } else if(!strncmp(arg, "ntsc-", 5)) {
3573 } else if(!strncmp(arg, "film-", 5)) {
3578 /* Calculate FR via float to avoid int overflow */
3579 fr = (int)(frame_rate.num * 1000.0 / frame_rate.den);
3582 } else if((fr == 29970) || (fr == 23976)) {
3585 /* Try to determine PAL/NTSC by peeking in the input files */
3586 if(nb_input_files) {
3588 for(j = 0; j < nb_input_files; j++) {
3589 for(i = 0; i < input_files[j]->nb_streams; i++) {
3590 AVCodecContext *c = input_files[j]->streams[i]->codec;
3591 if(c->codec_type != CODEC_TYPE_VIDEO)
3593 fr = c->time_base.den * 1000 / c->time_base.num;
3597 } else if((fr == 29970) || (fr == 23976)) {
3607 if(verbose && norm >= 0)
3608 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3612 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3613 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3614 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3618 if(!strcmp(arg, "vcd")) {
3620 opt_video_codec("mpeg1video");
3621 opt_audio_codec("mp2");
3624 opt_frame_size(norm ? "352x240" : "352x288");
3625 opt_frame_rate(NULL, frame_rates[norm]);
3626 opt_default("g", norm ? "18" : "15");
3628 opt_default("b", "1150000");
3629 opt_default("maxrate", "1150000");
3630 opt_default("minrate", "1150000");
3631 opt_default("bufsize", "327680"); // 40*1024*8;
3633 opt_default("ab", "224000");
3634 audio_sample_rate = 44100;
3637 opt_default("packetsize", "2324");
3638 opt_default("muxrate", "1411200"); // 2352 * 75 * 8;
3640 /* We have to offset the PTS, so that it is consistent with the SCR.
3641 SCR starts at 36000, but the first two packs contain only padding
3642 and the first pack from the other stream, respectively, may also have
3643 been written before.
3644 So the real data starts at SCR 36000+3*1200. */
3645 mux_preload= (36000+3*1200) / 90000.0; //0.44
3646 } else if(!strcmp(arg, "svcd")) {
3648 opt_video_codec("mpeg2video");
3649 opt_audio_codec("mp2");
3652 opt_frame_size(norm ? "480x480" : "480x576");
3653 opt_frame_rate(NULL, frame_rates[norm]);
3654 opt_default("g", norm ? "18" : "15");
3656 opt_default("b", "2040000");
3657 opt_default("maxrate", "2516000");
3658 opt_default("minrate", "0"); //1145000;
3659 opt_default("bufsize", "1835008"); //224*1024*8;
3660 opt_default("flags", "+scan_offset");
3663 opt_default("ab", "224000");
3664 audio_sample_rate = 44100;
3666 opt_default("packetsize", "2324");
3668 } else if(!strcmp(arg, "dvd")) {
3670 opt_video_codec("mpeg2video");
3671 opt_audio_codec("ac3");
3674 opt_frame_size(norm ? "720x480" : "720x576");
3675 opt_frame_rate(NULL, frame_rates[norm]);
3676 opt_default("g", norm ? "18" : "15");
3678 opt_default("b", "6000000");
3679 opt_default("maxrate", "9000000");
3680 opt_default("minrate", "0"); //1500000;
3681 opt_default("bufsize", "1835008"); //224*1024*8;
3683 opt_default("packetsize", "2048"); // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3684 opt_default("muxrate", "10080000"); // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3686 opt_default("ab", "448000");
3687 audio_sample_rate = 48000;
3689 } else if(!strncmp(arg, "dv", 2)) {
3693 opt_frame_size(norm ? "720x480" : "720x576");
3694 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3695 (norm ? "yuv411p" : "yuv420p"));
3696 opt_frame_rate(NULL, frame_rates[norm]);
3698 audio_sample_rate = 48000;
3702 fprintf(stderr, "Unknown target: %s\n", arg);
3707 static void opt_vstats_file (const char *arg)
3709 av_free (vstats_filename);
3710 vstats_filename=av_strdup (arg);
3713 static void opt_vstats (void)
3716 time_t today2 = time(NULL);
3717 struct tm *today = localtime(&today2);
3719 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour, today->tm_min,
3721 opt_vstats_file(filename);
3724 static int opt_bsf(const char *opt, const char *arg)
3726 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3727 AVBitStreamFilterContext **bsfp;
3730 fprintf(stderr, "Unknown bitstream filter %s\n", arg);
3734 bsfp= *opt == 'v' ? &video_bitstream_filters :
3735 *opt == 'a' ? &audio_bitstream_filters :
3736 &subtitle_bitstream_filters;
3738 bsfp= &(*bsfp)->next;
3745 static int opt_preset(const char *opt, const char *arg)
3748 char filename[1000], tmp[1000], tmp2[1000], line[1000];
3750 const char *base[2]= { getenv("HOME"),
3754 for(i=!base[0]; i<2 && !f; i++){
3755 snprintf(filename, sizeof(filename), "%s%s/%s.ffpreset", base[i], i ? "" : "/.ffmpeg", arg);
3756 f= fopen(filename, "r");
3758 char *codec_name= *opt == 'v' ? video_codec_name :
3759 *opt == 'a' ? audio_codec_name :
3760 subtitle_codec_name;
3761 snprintf(filename, sizeof(filename), "%s%s/%s-%s.ffpreset", base[i], i ? "" : "/.ffmpeg", codec_name, arg);
3762 f= fopen(filename, "r");
3765 if(!f && ((arg[0]=='.' && arg[1]=='/') || arg[0]=='/' ||
3767 av_strlcpy(filename, arg, sizeof(filename));
3768 f= fopen(filename, "r");
3772 fprintf(stderr, "File for preset '%s' not found\n", arg);
3777 int e= fscanf(f, "%999[^\n]\n", line) - 1;
3778 if(line[0] == '#' && !e)
3780 e|= sscanf(line, "%999[^=]=%999[^\n]\n", tmp, tmp2) - 2;
3782 fprintf(stderr, "%s: Invalid syntax: '%s'\n", filename, line);
3785 if(!strcmp(tmp, "acodec")){
3786 opt_audio_codec(tmp2);
3787 }else if(!strcmp(tmp, "vcodec")){
3788 opt_video_codec(tmp2);
3789 }else if(!strcmp(tmp, "scodec")){
3790 opt_subtitle_codec(tmp2);
3791 }else if(opt_default(tmp, tmp2) < 0){
3792 fprintf(stderr, "%s: Invalid option or argument: '%s', parsed as '%s' = '%s'\n", filename, line, tmp, tmp2);
3802 static const OptionDef options[] = {
3804 { "L", OPT_EXIT, {(void*)show_license}, "show license" },
3805 { "h", OPT_EXIT, {(void*)show_help}, "show help" },
3806 { "version", OPT_EXIT, {(void*)show_version}, "show version" },
3807 { "formats", OPT_EXIT, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3808 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3809 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3810 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3811 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3812 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3813 { "t", OPT_FUNC2 | HAS_ARG, {(void*)opt_recording_time}, "record or transcode \"duration\" seconds of audio/video", "duration" },
3814 { "fs", HAS_ARG | OPT_INT64, {(void*)&limit_filesize}, "set the limit file size in bytes", "limit_size" }, //
3815 { "ss", OPT_FUNC2 | HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3816 { "itsoffset", OPT_FUNC2 | HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3817 { "itsscale", HAS_ARG, {(void*)opt_input_ts_scale}, "set the input ts scale", "stream:scale" },
3818 { "timestamp", OPT_FUNC2 | HAS_ARG, {(void*)opt_rec_timestamp}, "set the timestamp ('now' to set the current time)", "time" },
3819 { "metadata", OPT_FUNC2 | HAS_ARG, {(void*)opt_metadata}, "add metadata", "string=string" },
3820 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3821 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3822 "add timings for benchmarking" },
3823 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3824 "dump each input packet" },
3825 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3826 "when dumping packets, also dump the payload" },
3827 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3828 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3829 { "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)", "" },
3830 { "v", HAS_ARG | OPT_FUNC2, {(void*)opt_verbose}, "set ffmpeg verbosity level", "number" },
3831 { "loglevel", HAS_ARG | OPT_FUNC2, {(void*)opt_loglevel}, "set libav* logging level", "logging level number or string" },
3832 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3833 { "threads", OPT_FUNC2 | HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3834 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3835 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3836 { "adrift_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&audio_drift_threshold}, "audio drift threshold", "threshold" },
3837 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3838 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3839 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3840 { "dts_delta_threshold", HAS_ARG | OPT_FLOAT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "threshold" },
3841 { "programid", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&opt_programid}, "desired program number", "" },
3842 { "xerror", OPT_BOOL, {(void*)&exit_on_error}, "exit on error", "error" },
3843 { "copyinkf", OPT_BOOL | OPT_EXPERT, {(void*)©_initial_nonkeyframes}, "copy initial non-keyframes" },
3846 { "b", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3847 { "vb", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3848 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3849 { "r", OPT_FUNC2 | HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3850 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3851 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3852 { "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" },
3853 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3854 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3855 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3856 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3857 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3858 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3859 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3860 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3861 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3862 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3863 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3864 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3865 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantizer scale (VBR)", "q" },
3866 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3867 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3868 { "me_threshold", HAS_ARG | OPT_FUNC2 | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "threshold" },
3869 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3870 "use same video quality as source (implies VBR)" },
3871 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3872 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename_prefix}, "select two pass log file name prefix", "prefix" },
3873 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3874 "deinterlace pictures" },
3875 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3876 { "vstats", OPT_EXPERT | OPT_VIDEO, {(void*)&opt_vstats}, "dump video coding statistics to file" },
3877 { "vstats_file", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_vstats_file}, "dump video coding statistics to file", "file" },
3878 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3879 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3880 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3881 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3882 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
3883 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
3884 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
3885 { "force_fps", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&force_fps}, "force the selected framerate, disable the best supported framerate selection" },
3888 { "ab", OPT_FUNC2 | HAS_ARG | OPT_AUDIO, {(void*)opt_bitrate}, "set bitrate (in bits/s)", "bitrate" },
3889 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3890 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
3891 { "ar", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3892 { "ac", HAS_ARG | OPT_FUNC2 | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3893 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3894 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3895 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
3896 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
3897 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
3898 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
3899 { "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" },
3901 /* subtitle options */
3902 { "sn", OPT_BOOL | OPT_SUBTITLE, {(void*)&subtitle_disable}, "disable subtitle" },
3903 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
3904 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
3905 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
3906 { "stag", HAS_ARG | OPT_EXPERT | OPT_SUBTITLE, {(void*)opt_subtitle_tag}, "force subtitle tag/fourcc", "fourcc/tag" },
3909 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3910 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3911 { "isync", OPT_BOOL | OPT_EXPERT | OPT_GRAB, {(void*)&input_sync}, "sync read on input", "" },
3914 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
3915 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
3917 { "absf", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3918 { "vbsf", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3919 { "sbsf", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_bsf}, "", "bitstream_filter" },
3921 { "apre", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_preset}, "set the audio options to the indicated preset", "preset" },
3922 { "vpre", OPT_FUNC2 | HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_preset}, "set the video options to the indicated preset", "preset" },
3923 { "spre", OPT_FUNC2 | HAS_ARG | OPT_SUBTITLE | OPT_EXPERT, {(void*)opt_preset}, "set the subtitle options to the indicated preset", "preset" },
3925 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
3929 int main(int argc, char **argv)
3934 avcodec_register_all();
3935 avdevice_register_all();
3939 if(isatty(STDIN_FILENO))
3940 url_set_interrupt_cb(decode_interrupt_cb);
3943 for(i=0; i<CODEC_TYPE_NB; i++){
3944 avcodec_opts[i]= avcodec_alloc_context2(i);
3946 avformat_opts = avformat_alloc_context();
3947 sws_opts = sws_getContext(16,16,0, 16,16,0, sws_flags, NULL,NULL,NULL);
3952 parse_options(argc, argv, options, opt_output_file);
3954 /* file converter / grab */
3955 if (nb_output_files <= 0) {
3956 fprintf(stderr, "At least one output file must be specified\n");
3960 if (nb_input_files == 0) {
3961 fprintf(stderr, "At least one input file must be specified\n");
3966 if (av_encode(output_files, nb_output_files, input_files, nb_input_files,
3967 stream_maps, nb_stream_maps) < 0)
3969 ti = getutime() - ti;
3971 printf("bench: utime=%0.3fs\n", ti / 1000000.0);