3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #define HAVE_AV_CONFIG_H
21 #include "framehook.h"
26 #include <sys/ioctl.h>
29 #include <sys/resource.h>
33 #include <sys/types.h>
34 #include <sys/select.h>
41 #if !defined(INFINITY) && defined(HUGE_VAL)
42 #define INFINITY HUGE_VAL
45 /* select an input stream for an output stream */
46 typedef struct AVStreamMap {
51 extern const OptionDef options[];
53 static void show_help(void);
54 static void show_license(void);
58 static AVFormatContext *input_files[MAX_FILES];
59 static int nb_input_files = 0;
61 static AVFormatContext *output_files[MAX_FILES];
62 static int nb_output_files = 0;
64 static AVStreamMap stream_maps[MAX_FILES];
65 static int nb_stream_maps;
67 static AVInputFormat *file_iformat;
68 static AVOutputFormat *file_oformat;
69 static AVImageFormat *image_format;
70 static int frame_width = 160;
71 static int frame_height = 128;
72 static float frame_aspect_ratio = 0;
73 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
74 static int frame_topBand = 0;
75 static int frame_bottomBand = 0;
76 static int frame_leftBand = 0;
77 static int frame_rightBand = 0;
78 static int frame_rate = 25;
79 static int frame_rate_base = 1;
80 static int video_bit_rate = 200*1000;
81 static int video_bit_rate_tolerance = 4000*1000;
82 static float video_qscale = 0;
83 static int video_qmin = 2;
84 static int video_qmax = 31;
85 static int video_mb_qmin = 2;
86 static int video_mb_qmax = 31;
87 static int video_qdiff = 3;
88 static float video_qblur = 0.5;
89 static float video_qcomp = 0.5;
90 static uint16_t *intra_matrix = NULL;
91 static uint16_t *inter_matrix = NULL;
92 #if 0 //experimental, (can be removed)
93 static float video_rc_qsquish=1.0;
94 static float video_rc_qmod_amp=0;
95 static int video_rc_qmod_freq=0;
97 static char *video_rc_override_string=NULL;
98 static char *video_rc_eq="tex^qComp";
99 static int video_rc_buffer_size=0;
100 static float video_rc_buffer_aggressivity=1.0;
101 static int video_rc_max_rate=0;
102 static int video_rc_min_rate=0;
103 static float video_rc_initial_cplx=0;
104 static float video_b_qfactor = 1.25;
105 static float video_b_qoffset = 1.25;
106 static float video_i_qfactor = -0.8;
107 static float video_i_qoffset = 0.0;
108 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
109 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
110 static int me_method = ME_EPZS;
111 static int video_disable = 0;
112 static int video_codec_id = CODEC_ID_NONE;
113 static int same_quality = 0;
114 static int b_frames = 0;
115 static int mb_decision = FF_MB_DECISION_SIMPLE;
116 static int ildct_cmp = FF_CMP_VSAD;
117 static int mb_cmp = FF_CMP_SAD;
118 static int sub_cmp = FF_CMP_SAD;
119 static int cmp = FF_CMP_SAD;
120 static int use_4mv = 0;
121 static int use_obmc = 0;
122 static int use_aic = 0;
123 static int use_aiv = 0;
124 static int use_umv = 0;
125 static int use_alt_scan = 0;
126 static int use_trell = 0;
127 static int use_scan_offset = 0;
128 static int closed_gop = 0;
129 static int do_deinterlace = 0;
130 static int do_interlace_dct = 0;
131 static int do_interlace_me = 0;
132 static int workaround_bugs = FF_BUG_AUTODETECT;
133 static int error_resilience = 2;
134 static int error_concealment = 3;
135 static int dct_algo = 0;
136 static int idct_algo = 0;
137 static int use_part = 0;
138 static int packet_size = 0;
139 static int error_rate = 0;
140 static int strict = 0;
141 static int top_field_first = -1;
142 static int noise_reduction = 0;
143 static int sc_threshold = 0;
144 static int debug = 0;
145 static int debug_mv = 0;
146 extern int loop_input; /* currently a hack */
148 static int gop_size = 12;
149 static int intra_only = 0;
150 static int audio_sample_rate = 44100;
151 static int audio_bit_rate = 64000;
152 static int audio_disable = 0;
153 static int audio_channels = 1;
154 static int audio_codec_id = CODEC_ID_NONE;
156 static int64_t recording_time = 0;
157 static int64_t start_time = 0;
158 static int file_overwrite = 0;
159 static char *str_title = NULL;
160 static char *str_author = NULL;
161 static char *str_copyright = NULL;
162 static char *str_comment = NULL;
163 static int do_benchmark = 0;
164 static int do_hex_dump = 0;
165 static int do_pkt_dump = 0;
166 static int do_psnr = 0;
167 static int do_vstats = 0;
168 static int do_pass = 0;
169 static int bitexact = 0;
170 static char *pass_logfilename = NULL;
171 static int audio_stream_copy = 0;
172 static int video_stream_copy = 0;
174 static int rate_emu = 0;
176 static char *video_grab_format = "video4linux";
177 static char *video_device = NULL;
178 static int video_channel = 0;
179 static char *video_standard = "ntsc";
181 static char *audio_grab_format = "audio_device";
182 static char *audio_device = NULL;
184 static int using_stdin = 0;
185 static int using_vhook = 0;
186 static int verbose = 1;
188 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
190 typedef struct AVOutputStream {
191 int file_index; /* file index */
192 int index; /* stream index in the output file */
193 int source_index; /* AVInputStream index */
194 AVStream *st; /* stream in the output file */
195 int encoding_needed; /* true if encoding needed for this stream */
197 /* input pts and corresponding output pts
200 double sync_ipts_offset;
203 int video_resample; /* video_resample and video_crop are mutually exclusive */
204 AVPicture pict_tmp; /* temporary image for resampling */
205 ImgReSampleContext *img_resample_ctx; /* for image resampling */
207 int video_crop; /* video_resample and video_crop are mutually exclusive */
208 int topBand; /* cropping area sizes */
213 ReSampleContext *resample; /* for audio resampling */
214 FifoBuffer fifo; /* for compression: one audio fifo per codec */
218 typedef struct AVInputStream {
222 int discard; /* true if stream data should be discarded */
223 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
224 int64_t sample_index; /* current sample */
226 int64_t start; /* time when read started */
227 unsigned long frame; /* current frame */
228 int64_t next_pts; /* synthetic pts for cases where pkt.pts
230 int64_t pts; /* current pts */
233 typedef struct AVInputFile {
234 int eof_reached; /* true if eof reached */
235 int ist_index; /* index of first stream in ist_table */
236 int buffer_size; /* current total buffer size */
237 int buffer_size_max; /* buffer size at which we consider we can stop
239 int nb_streams; /* nb streams we are aware of */
244 /* init terminal so that we can grab keys */
245 static struct termios oldtty;
247 static void term_exit(void)
249 tcsetattr (0, TCSANOW, &oldtty);
252 static volatile sig_atomic_t received_sigterm = 0;
255 sigterm_handler(int sig)
257 received_sigterm = sig;
261 static void term_init(void)
268 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
269 |INLCR|IGNCR|ICRNL|IXON);
270 tty.c_oflag |= OPOST;
271 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
272 tty.c_cflag &= ~(CSIZE|PARENB);
277 tcsetattr (0, TCSANOW, &tty);
279 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
280 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
281 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
283 register a function to be called at normal program termination
286 #ifdef CONFIG_BEOS_NETSERVER
287 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
291 /* read a key without blocking */
292 static int read_key(void)
296 #ifndef CONFIG_BEOS_NETSERVER
304 n = select(1, &rfds, NULL, NULL, &tv);
318 static volatile int received_sigterm = 0;
320 /* no interactive support */
321 static void term_exit(void)
325 static void term_init(void)
329 static int read_key(void)
336 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
341 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
344 /* copy stream format */
345 s->nb_streams = ic->nb_streams;
346 for(i=0;i<ic->nb_streams;i++) {
349 st = av_mallocz(sizeof(AVStream));
350 memcpy(st, ic->streams[i], sizeof(AVStream));
354 av_close_input_file(ic);
358 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
360 static void do_audio_out(AVFormatContext *s,
363 unsigned char *buf, int size)
366 static uint8_t *audio_buf = NULL;
367 static uint8_t *audio_out = NULL;
368 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
370 int size_out, frame_bytes, ret;
373 /* SC: dynamic allocation of buffers */
375 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
377 audio_out = av_malloc(audio_out_size);
378 if (!audio_buf || !audio_out)
379 return; /* Should signal an error ! */
382 enc = &ost->st->codec;
384 if (ost->audio_resample) {
386 size_out = audio_resample(ost->resample,
387 (short *)buftmp, (short *)buf,
388 size / (ist->st->codec.channels * 2));
389 size_out = size_out * enc->channels * 2;
395 /* now encode as many frames as possible */
396 if (enc->frame_size > 1) {
397 /* output resampled raw samples */
398 fifo_write(&ost->fifo, buftmp, size_out,
401 frame_bytes = enc->frame_size * 2 * enc->channels;
403 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
404 &ost->fifo.rptr) == 0) {
405 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
407 av_write_frame(s, ost->index, audio_out, ret);
410 /* output a pcm frame */
411 /* XXX: change encoding codec API to avoid this ? */
412 switch(enc->codec->id) {
413 case CODEC_ID_PCM_S16LE:
414 case CODEC_ID_PCM_S16BE:
415 case CODEC_ID_PCM_U16LE:
416 case CODEC_ID_PCM_U16BE:
419 size_out = size_out >> 1;
422 ret = avcodec_encode_audio(enc, audio_out, size_out,
424 av_write_frame(s, ost->index, audio_out, ret);
428 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
432 AVPicture picture_tmp;
435 dec = &ist->st->codec;
437 /* deinterlace : must be done before any resize */
438 if (do_deinterlace || using_vhook) {
441 /* create temporary picture */
442 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
443 buf = av_malloc(size);
447 picture2 = &picture_tmp;
448 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
451 if(avpicture_deinterlace(picture2, picture,
452 dec->pix_fmt, dec->width, dec->height) < 0) {
453 /* if error, do not deinterlace */
459 if (img_convert(picture2, dec->pix_fmt, picture,
460 dec->pix_fmt, dec->width, dec->height) < 0) {
461 /* if error, do not copy */
471 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
473 if (picture != picture2)
474 *picture = *picture2;
478 /* we begin to correct av delay at this threshold */
479 #define AV_DELAY_MAX 0.100
481 static void do_video_out(AVFormatContext *s,
485 int *frame_size, AVOutputStream *audio_sync)
487 int nb_frames, i, ret;
488 AVPicture *final_picture, *formatted_picture;
489 AVPicture picture_format_temp, picture_crop_temp;
490 static uint8_t *video_buffer= NULL;
491 uint8_t *buf = NULL, *buf1 = NULL;
492 AVCodecContext *enc, *dec;
493 enum PixelFormat target_pixfmt;
495 #define VIDEO_BUFFER_SIZE (1024*1024)
497 enc = &ost->st->codec;
498 dec = &ist->st->codec;
500 /* by default, we output a single frame */
505 /* NOTE: the A/V sync is always done by considering the audio is
506 the master clock. It is suffisant for transcoding or playing,
507 but not for the general case */
509 /* compute the A-V delay and duplicate/remove frames if needed */
510 double adelta, vdelta, av_delay;
512 adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts *
513 s->pts_num / s->pts_den);
515 vdelta = ost->sync_ipts - ((double)ost->sync_opts *
516 s->pts_num / s->pts_den);
518 av_delay = adelta - vdelta;
519 // printf("delay=%f\n", av_delay);
520 if (av_delay < -AV_DELAY_MAX)
522 else if (av_delay > AV_DELAY_MAX)
527 vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
528 if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
529 if (vdelta < -AV_DELAY_MAX)
531 else if (vdelta > AV_DELAY_MAX)
534 ost->sync_ipts_offset -= vdelta;
535 if (!ost->sync_ipts_offset)
536 ost->sync_ipts_offset = 0.000001; /* one microsecond */
540 #if defined(AVSYNC_DEBUG)
542 static char *action[] = { "drop frame", "copy frame", "dup frame" };
544 fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
545 (double) audio_sync->sync_ipts,
546 (double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
547 fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
548 (double) ost->sync_ipts,
549 (double) ost->st->pts.val * s->pts_num / s->pts_den,
558 video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
562 /* convert pixel format if needed */
563 target_pixfmt = ost->video_resample ? PIX_FMT_YUV420P : enc->pix_fmt;
564 if (dec->pix_fmt != target_pixfmt) {
567 /* create temporary picture */
568 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
569 buf = av_malloc(size);
572 formatted_picture = &picture_format_temp;
573 avpicture_fill(formatted_picture, buf, target_pixfmt, dec->width, dec->height);
575 if (img_convert(formatted_picture, target_pixfmt,
576 (AVPicture *)in_picture, dec->pix_fmt,
577 dec->width, dec->height) < 0) {
578 fprintf(stderr, "pixel format conversion not handled\n");
582 formatted_picture = (AVPicture *)in_picture;
585 /* XXX: resampling could be done before raw format convertion in
586 some cases to go faster */
587 /* XXX: only works for YUV420P */
588 if (ost->video_resample) {
589 final_picture = &ost->pict_tmp;
590 img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
591 if (enc->pix_fmt != PIX_FMT_YUV420P) {
595 /* create temporary picture */
596 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
597 buf = av_malloc(size);
600 final_picture = &picture_format_temp;
601 avpicture_fill(final_picture, buf, enc->pix_fmt, enc->width, enc->height);
603 if (img_convert(final_picture, enc->pix_fmt,
604 &ost->pict_tmp, PIX_FMT_YUV420P,
605 enc->width, enc->height) < 0) {
606 fprintf(stderr, "pixel format conversion not handled\n");
610 } else if (ost->video_crop) {
611 picture_crop_temp.data[0] = formatted_picture->data[0] +
612 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
614 picture_crop_temp.data[1] = formatted_picture->data[1] +
615 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
616 (ost->leftBand >> 1);
618 picture_crop_temp.data[2] = formatted_picture->data[2] +
619 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
620 (ost->leftBand >> 1);
622 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
623 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
624 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
625 final_picture = &picture_crop_temp;
627 final_picture = formatted_picture;
629 /* duplicates frame if needed */
630 /* XXX: pb because no interleaving */
631 for(i=0;i<nb_frames;i++) {
632 if (s->oformat->flags & AVFMT_RAWPICTURE) {
633 /* raw pictures are written as AVPicture structure to
634 avoid any copies. We support temorarily the older
636 AVFrame* old_frame = enc->coded_frame;
637 enc->coded_frame = dec->coded_frame;
638 av_write_frame(s, ost->index,
639 (uint8_t *)final_picture, sizeof(AVPicture));
640 enc->coded_frame = old_frame;
644 memset(&big_picture, 0, sizeof(AVFrame));
645 *(AVPicture*)&big_picture= *final_picture;
646 /* better than nothing: use input picture interlaced
648 big_picture.interlaced_frame = in_picture->interlaced_frame;
649 if(do_interlace_me || do_interlace_dct){
650 if(top_field_first == -1)
651 big_picture.top_field_first = in_picture->top_field_first;
653 big_picture.top_field_first = 1;
656 /* handles sameq here. This is not correct because it may
657 not be a global option */
659 big_picture.quality = ist->st->quality;
661 big_picture.quality = ost->st->quality;
663 ret = avcodec_encode_video(enc,
664 video_buffer, VIDEO_BUFFER_SIZE,
666 //enc->frame_number = enc->real_pict_num;
667 av_write_frame(s, ost->index, video_buffer, ret);
669 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
670 // enc->frame_number-1, enc->real_pict_num, ret,
672 /* if two pass, output log */
673 if (ost->logfile && enc->stats_out) {
674 fprintf(ost->logfile, "%s", enc->stats_out);
684 static double psnr(double d){
685 if(d==0) return INFINITY;
686 return -10.0*log(d)/log(10.0);
689 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
692 static FILE *fvstats=NULL;
693 static int64_t total_size = 0;
700 double ti1, bitrate, avg_bitrate;
704 today = localtime(&today2);
705 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
708 fvstats = fopen(filename,"w");
716 enc = &ost->st->codec;
717 total_size += frame_size;
718 if (enc->codec_type == CODEC_TYPE_VIDEO) {
719 frame_number = ost->frame_number;
720 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
721 if (enc->flags&CODEC_FLAG_PSNR)
722 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
724 fprintf(fvstats,"f_size= %6d ", frame_size);
725 /* compute pts value */
726 ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
730 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
731 avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
732 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
733 (double)total_size / 1024, ti1, bitrate, avg_bitrate);
734 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
738 static void print_report(AVFormatContext **output_files,
739 AVOutputStream **ost_table, int nb_ostreams,
744 AVFormatContext *oc, *os;
747 int frame_number, vid, i;
748 double bitrate, ti1, pts;
749 static int64_t last_time = -1;
751 if (!is_last_report) {
753 /* display the report every 0.5 seconds */
754 cur_time = av_gettime();
755 if (last_time == -1) {
756 last_time = cur_time;
759 if ((cur_time - last_time) < 500000)
761 last_time = cur_time;
765 oc = output_files[0];
767 total_size = url_ftell(&oc->pb);
772 for(i=0;i<nb_ostreams;i++) {
774 os = output_files[ost->file_index];
775 enc = &ost->st->codec;
776 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
777 sprintf(buf + strlen(buf), "q=%2.1f ",
778 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
780 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
781 frame_number = ost->frame_number;
782 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
783 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
785 sprintf(buf + strlen(buf), "L");
786 if (enc->flags&CODEC_FLAG_PSNR){
788 double error, error_sum=0;
789 double scale, scale_sum=0;
790 char type[3]= {'Y','U','V'};
791 sprintf(buf + strlen(buf), "PSNR=");
794 error= enc->error[j];
795 scale= enc->width*enc->height*255.0*255.0*frame_number;
797 error= enc->coded_frame->error[j];
798 scale= enc->width*enc->height*255.0*255.0;
803 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
805 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
809 /* compute min output value */
810 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
811 if ((pts < ti1) && (pts > 0))
817 if (verbose || is_last_report) {
818 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
820 sprintf(buf + strlen(buf),
821 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
822 (double)total_size / 1024, ti1, bitrate);
824 fprintf(stderr, "%s \r", buf);
829 fprintf(stderr, "\n");
832 /* pkt = NULL means EOF (needed to flush decoder buffers) */
833 static int output_packet(AVInputStream *ist, int ist_index,
834 AVOutputStream **ost_table, int nb_ostreams,
842 int data_size, got_picture;
844 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
845 void *buffer_to_free;
847 if (pkt && pkt->pts != AV_NOPTS_VALUE) {
850 ist->pts = ist->next_pts;
864 /* decode the packet if needed */
865 data_buf = NULL; /* fail safe */
867 if (ist->decoding_needed) {
868 switch(ist->st->codec.codec_type) {
869 case CODEC_TYPE_AUDIO:
870 /* XXX: could avoid copy if PCM 16 bits with same
872 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
878 /* Some bug in mpeg audio decoder gives */
879 /* data_size < 0, it seems they are overflows */
880 if (data_size <= 0) {
884 data_buf = (uint8_t *)samples;
885 ist->next_pts += ((int64_t)AV_TIME_BASE * data_size) /
886 (2 * ist->st->codec.channels);
888 case CODEC_TYPE_VIDEO:
889 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
890 /* XXX: allocate picture correctly */
891 memset(&picture, 0, sizeof(picture));
892 ret = avcodec_decode_video(&ist->st->codec,
893 &picture, &got_picture, ptr, len);
894 ist->st->quality= picture.quality;
901 if (ist->st->codec.frame_rate_base != 0) {
902 ist->next_pts += ((int64_t)AV_TIME_BASE *
903 ist->st->codec.frame_rate_base) /
904 ist->st->codec.frame_rate;
918 buffer_to_free = NULL;
919 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
920 pre_process_video_frame(ist, (AVPicture *)&picture,
924 /* frame rate emulation */
925 if (ist->st->codec.rate_emu) {
926 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
927 int64_t now = av_gettime() - ist->start;
935 /* mpeg PTS deordering : if it is a P or I frame, the PTS
936 is the one of the next displayed one */
937 /* XXX: add mpeg4 too ? */
938 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
939 if (ist->st->codec.pict_type != B_TYPE) {
941 tmp = ist->last_ip_pts;
942 ist->last_ip_pts = ist->frac_pts.val;
943 ist->frac_pts.val = tmp;
947 /* if output time reached then transcode raw format,
948 encode packets and output them */
949 if (start_time == 0 || ist->pts >= start_time)
950 for(i=0;i<nb_ostreams;i++) {
954 if (ost->source_index == ist_index) {
955 os = output_files[ost->file_index];
958 printf("%d: got pts=%0.3f %0.3f\n", i,
959 (double)pkt->pts / AV_TIME_BASE,
960 ((double)ist->pts / AV_TIME_BASE) -
961 ((double)ost->st->pts.val * os->pts_num / os->pts_den));
963 /* set the input output pts pairs */
964 ost->sync_ipts = (double)ist->pts / AV_TIME_BASE;
965 /* XXX: take into account the various fifos,
966 in particular for audio */
967 ost->sync_opts = ost->st->pts.val;
968 //printf("ipts=%lld sync_ipts=%f sync_opts=%lld pts.val=%lld pkt->pts=%lld\n", ist->pts, ost->sync_ipts, ost->sync_opts, ost->st->pts.val, pkt->pts);
970 if (ost->encoding_needed) {
971 switch(ost->st->codec.codec_type) {
972 case CODEC_TYPE_AUDIO:
973 do_audio_out(os, ost, ist, data_buf, data_size);
975 case CODEC_TYPE_VIDEO:
976 /* find an audio stream for synchro */
979 AVOutputStream *audio_sync, *ost1;
981 for(i=0;i<nb_ostreams;i++) {
983 if (ost1->file_index == ost->file_index &&
984 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
990 do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
991 if (do_vstats && frame_size)
992 do_video_stats(os, ost, frame_size);
1001 /* no reencoding needed : output the packet directly */
1002 /* force the input stream PTS */
1004 memset(&avframe, 0, sizeof(AVFrame));
1005 ost->st->codec.coded_frame= &avframe;
1006 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1008 av_write_frame(os, ost->index, data_buf, data_size);
1009 ost->st->codec.frame_number++;
1010 ost->frame_number++;
1014 av_free(buffer_to_free);
1024 * The following code is the main loop of the file converter
1026 static int av_encode(AVFormatContext **output_files,
1027 int nb_output_files,
1028 AVFormatContext **input_files,
1030 AVStreamMap *stream_maps, int nb_stream_maps)
1032 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1033 AVFormatContext *is, *os;
1034 AVCodecContext *codec, *icodec;
1035 AVOutputStream *ost, **ost_table = NULL;
1036 AVInputStream *ist, **ist_table = NULL;
1037 AVInputFile *file_table;
1038 AVFormatContext *stream_no_data;
1041 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1045 /* input stream init */
1047 for(i=0;i<nb_input_files;i++) {
1048 is = input_files[i];
1049 file_table[i].ist_index = j;
1050 file_table[i].nb_streams = is->nb_streams;
1051 j += is->nb_streams;
1055 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1059 for(i=0;i<nb_istreams;i++) {
1060 ist = av_mallocz(sizeof(AVInputStream));
1066 for(i=0;i<nb_input_files;i++) {
1067 is = input_files[i];
1068 for(k=0;k<is->nb_streams;k++) {
1069 ist = ist_table[j++];
1070 ist->st = is->streams[k];
1071 ist->file_index = i;
1073 ist->discard = 1; /* the stream is discarded by default
1076 if (ist->st->codec.rate_emu) {
1077 ist->start = av_gettime();
1083 /* output stream init */
1085 for(i=0;i<nb_output_files;i++) {
1086 os = output_files[i];
1087 nb_ostreams += os->nb_streams;
1089 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1090 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1094 /* Sanity check the mapping args -- do the input files & streams exist? */
1095 for(i=0;i<nb_stream_maps;i++) {
1096 int fi = stream_maps[i].file_index;
1097 int si = stream_maps[i].stream_index;
1099 if (fi < 0 || fi > nb_input_files - 1 ||
1100 si < 0 || si > file_table[fi].nb_streams - 1) {
1101 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1106 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1109 for(i=0;i<nb_ostreams;i++) {
1110 ost = av_mallocz(sizeof(AVOutputStream));
1117 for(k=0;k<nb_output_files;k++) {
1118 os = output_files[k];
1119 for(i=0;i<os->nb_streams;i++) {
1121 ost = ost_table[n++];
1122 ost->file_index = k;
1124 ost->st = os->streams[i];
1125 if (nb_stream_maps > 0) {
1126 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1127 stream_maps[n-1].stream_index;
1129 /* Sanity check that the stream types match */
1130 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1131 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1132 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1133 ost->file_index, ost->index);
1138 /* get corresponding input stream index : we select the first one with the right type */
1140 for(j=0;j<nb_istreams;j++) {
1143 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1144 ost->source_index = j;
1150 /* try again and reuse existing stream */
1151 for(j=0;j<nb_istreams;j++) {
1153 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1154 ost->source_index = j;
1159 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1160 ost->file_index, ost->index);
1165 ist = ist_table[ost->source_index];
1170 /* for each output stream, we compute the right encoding parameters */
1171 for(i=0;i<nb_ostreams;i++) {
1173 ist = ist_table[ost->source_index];
1175 codec = &ost->st->codec;
1176 icodec = &ist->st->codec;
1178 if (ost->st->stream_copy) {
1179 /* if stream_copy is selected, no need to decode or encode */
1180 codec->codec_id = icodec->codec_id;
1181 codec->codec_type = icodec->codec_type;
1182 codec->codec_tag = icodec->codec_tag;
1183 codec->bit_rate = icodec->bit_rate;
1184 switch(codec->codec_type) {
1185 case CODEC_TYPE_AUDIO:
1186 codec->sample_rate = icodec->sample_rate;
1187 codec->channels = icodec->channels;
1189 case CODEC_TYPE_VIDEO:
1190 codec->frame_rate = icodec->frame_rate;
1191 codec->frame_rate_base = icodec->frame_rate_base;
1192 codec->width = icodec->width;
1193 codec->height = icodec->height;
1199 switch(codec->codec_type) {
1200 case CODEC_TYPE_AUDIO:
1201 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1204 if (codec->channels == icodec->channels &&
1205 codec->sample_rate == icodec->sample_rate) {
1206 ost->audio_resample = 0;
1208 if (codec->channels != icodec->channels &&
1209 icodec->codec_id == CODEC_ID_AC3) {
1210 /* Special case for 5:1 AC3 input */
1211 /* and mono or stereo output */
1212 /* Request specific number of channels */
1213 icodec->channels = codec->channels;
1214 if (codec->sample_rate == icodec->sample_rate)
1215 ost->audio_resample = 0;
1217 ost->audio_resample = 1;
1218 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1220 icodec->sample_rate);
1223 printf("Can't resample. Aborting.\n");
1227 /* Request specific number of channels */
1228 icodec->channels = codec->channels;
1230 ost->audio_resample = 1;
1231 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1233 icodec->sample_rate);
1236 printf("Can't resample. Aborting.\n");
1241 ist->decoding_needed = 1;
1242 ost->encoding_needed = 1;
1244 case CODEC_TYPE_VIDEO:
1245 if (codec->width == icodec->width &&
1246 codec->height == icodec->height &&
1247 frame_topBand == 0 &&
1248 frame_bottomBand == 0 &&
1249 frame_leftBand == 0 &&
1250 frame_rightBand == 0)
1252 ost->video_resample = 0;
1253 ost->video_crop = 0;
1254 } else if ((codec->width == icodec->width -
1255 (frame_leftBand + frame_rightBand)) &&
1256 (codec->height == icodec->height -
1257 (frame_topBand + frame_bottomBand)))
1259 ost->video_resample = 0;
1260 ost->video_crop = 1;
1261 ost->topBand = frame_topBand;
1262 ost->leftBand = frame_leftBand;
1265 ost->video_resample = 1;
1266 ost->video_crop = 0; // cropping is handled as part of resample
1267 buf = av_malloc((codec->width * codec->height * 3) / 2);
1270 ost->pict_tmp.data[0] = buf;
1271 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1272 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1273 ost->pict_tmp.linesize[0] = codec->width;
1274 ost->pict_tmp.linesize[1] = codec->width / 2;
1275 ost->pict_tmp.linesize[2] = codec->width / 2;
1277 ost->img_resample_ctx = img_resample_full_init(
1278 ost->st->codec.width, ost->st->codec.height,
1279 ist->st->codec.width, ist->st->codec.height,
1280 frame_topBand, frame_bottomBand,
1281 frame_leftBand, frame_rightBand);
1283 ost->encoding_needed = 1;
1284 ist->decoding_needed = 1;
1290 if (ost->encoding_needed &&
1291 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1292 char logfilename[1024];
1297 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1299 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1300 if (codec->flags & CODEC_FLAG_PASS1) {
1301 f = fopen(logfilename, "w");
1303 perror(logfilename);
1308 /* read the log file */
1309 f = fopen(logfilename, "r");
1311 perror(logfilename);
1314 fseek(f, 0, SEEK_END);
1316 fseek(f, 0, SEEK_SET);
1317 logbuffer = av_malloc(size + 1);
1319 fprintf(stderr, "Could not allocate log buffer\n");
1322 fread(logbuffer, 1, size, f);
1324 logbuffer[size] = '\0';
1325 codec->stats_in = logbuffer;
1331 /* dump the file output parameters - cannot be done before in case
1333 for(i=0;i<nb_output_files;i++) {
1334 dump_format(output_files[i], i, output_files[i]->filename, 1);
1337 /* dump the stream mapping */
1338 fprintf(stderr, "Stream mapping:\n");
1339 for(i=0;i<nb_ostreams;i++) {
1341 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1342 ist_table[ost->source_index]->file_index,
1343 ist_table[ost->source_index]->index,
1348 /* open each encoder */
1349 for(i=0;i<nb_ostreams;i++) {
1351 if (ost->encoding_needed) {
1353 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1355 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1356 ost->file_index, ost->index);
1359 if (avcodec_open(&ost->st->codec, codec) < 0) {
1360 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1361 ost->file_index, ost->index);
1367 /* open each decoder */
1368 for(i=0;i<nb_istreams;i++) {
1370 if (ist->decoding_needed) {
1372 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1374 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1375 ist->st->codec.codec_id, ist->file_index, ist->index);
1378 if (avcodec_open(&ist->st->codec, codec) < 0) {
1379 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1380 ist->file_index, ist->index);
1383 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1384 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1389 for(i=0;i<nb_istreams;i++) {
1391 is = input_files[ist->file_index];
1396 /* compute buffer size max (should use a complete heuristic) */
1397 for(i=0;i<nb_input_files;i++) {
1398 file_table[i].buffer_size_max = 2048;
1401 /* open files and write file headers */
1402 for(i=0;i<nb_output_files;i++) {
1403 os = output_files[i];
1404 if (av_write_header(os) < 0) {
1405 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1411 #ifndef CONFIG_WIN32
1413 fprintf(stderr, "Press [q] to stop encoding\n");
1420 for(; received_sigterm == 0;) {
1421 int file_index, ist_index;
1426 /* if 'q' pressed, exits */
1428 /* read_key() returns 0 on EOF */
1434 /* select the stream that we must read now by looking at the
1435 smallest output pts */
1438 for(i=0;i<nb_ostreams;i++) {
1441 os = output_files[ost->file_index];
1442 ist = ist_table[ost->source_index];
1443 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1444 if (!file_table[ist->file_index].eof_reached &&
1447 file_index = ist->file_index;
1450 /* if none, if is finished */
1451 if (file_index < 0) {
1455 /* finish if recording time exhausted */
1456 if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1459 /* read a frame from it and output it in the fifo */
1460 is = input_files[file_index];
1461 if (av_read_frame(is, &pkt) < 0) {
1462 file_table[file_index].eof_reached = 1;
1467 stream_no_data = is;
1472 av_pkt_dump(stdout, &pkt, do_hex_dump);
1474 /* the following test is needed in case new streams appear
1475 dynamically in stream : we ignore them */
1476 if (pkt.stream_index >= file_table[file_index].nb_streams)
1477 goto discard_packet;
1478 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1479 ist = ist_table[ist_index];
1481 goto discard_packet;
1483 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1484 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1485 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1486 ist->file_index, ist->index);
1487 av_free_packet(&pkt);
1492 av_free_packet(&pkt);
1494 /* dump report by using the output first video and audio streams */
1495 print_report(output_files, ost_table, nb_ostreams, 0);
1498 /* at the end of stream, we must flush the decoder buffers */
1499 for(i=0;i<nb_istreams;i++) {
1501 if (ist->decoding_needed) {
1502 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1508 /* dump report by using the first video and audio streams */
1509 print_report(output_files, ost_table, nb_ostreams, 1);
1511 /* close each encoder */
1512 for(i=0;i<nb_ostreams;i++) {
1514 if (ost->encoding_needed) {
1515 av_freep(&ost->st->codec.stats_in);
1516 avcodec_close(&ost->st->codec);
1520 /* close each decoder */
1521 for(i=0;i<nb_istreams;i++) {
1523 if (ist->decoding_needed) {
1524 avcodec_close(&ist->st->codec);
1529 /* write the trailer if needed and close file */
1530 for(i=0;i<nb_output_files;i++) {
1531 os = output_files[i];
1532 av_write_trailer(os);
1538 av_free(file_table);
1541 for(i=0;i<nb_istreams;i++) {
1548 for(i=0;i<nb_ostreams;i++) {
1552 fclose(ost->logfile);
1553 ost->logfile = NULL;
1555 fifo_free(&ost->fifo); /* works even if fifo is not
1556 initialized but set to zero */
1557 av_free(ost->pict_tmp.data[0]);
1558 if (ost->video_resample)
1559 img_resample_close(ost->img_resample_ctx);
1560 if (ost->audio_resample)
1561 audio_resample_close(ost->resample);
1574 int file_read(const char *filename)
1577 unsigned char buffer[1024];
1580 if (url_open(&h, filename, O_RDONLY) < 0) {
1581 printf("could not open '%s'\n", filename);
1585 len = url_read(h, buffer, sizeof(buffer));
1588 for(i=0;i<len;i++) putchar(buffer[i]);
1595 static void opt_image_format(const char *arg)
1599 for(f = first_image_format; f != NULL; f = f->next) {
1600 if (!strcmp(arg, f->name))
1604 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1610 static void opt_format(const char *arg)
1612 /* compatibility stuff for pgmyuv */
1613 if (!strcmp(arg, "pgmyuv")) {
1614 opt_image_format(arg);
1618 file_iformat = av_find_input_format(arg);
1619 file_oformat = guess_format(arg, NULL, NULL);
1620 if (!file_iformat && !file_oformat) {
1621 fprintf(stderr, "Unknown input or output format: %s\n", arg);
1626 static void opt_video_bitrate(const char *arg)
1628 video_bit_rate = atoi(arg) * 1000;
1631 static void opt_video_bitrate_tolerance(const char *arg)
1633 video_bit_rate_tolerance = atoi(arg) * 1000;
1636 static void opt_video_bitrate_max(const char *arg)
1638 video_rc_max_rate = atoi(arg) * 1000;
1641 static void opt_video_bitrate_min(const char *arg)
1643 video_rc_min_rate = atoi(arg) * 1000;
1646 static void opt_video_buffer_size(const char *arg)
1648 video_rc_buffer_size = atoi(arg) * 8*1024;
1651 static void opt_video_rc_eq(char *arg)
1656 static void opt_video_rc_override_string(char *arg)
1658 video_rc_override_string = arg;
1662 static void opt_workaround_bugs(const char *arg)
1664 workaround_bugs = atoi(arg);
1667 static void opt_dct_algo(const char *arg)
1669 dct_algo = atoi(arg);
1672 static void opt_idct_algo(const char *arg)
1674 idct_algo = atoi(arg);
1678 static void opt_error_resilience(const char *arg)
1680 error_resilience = atoi(arg);
1683 static void opt_error_concealment(const char *arg)
1685 error_concealment = atoi(arg);
1688 static void opt_debug(const char *arg)
1693 static void opt_vismv(const char *arg)
1695 debug_mv = atoi(arg);
1698 static void opt_verbose(const char *arg)
1700 verbose = atoi(arg);
1703 static void opt_frame_rate(const char *arg)
1705 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
1706 fprintf(stderr, "Incorrect frame rate\n");
1711 static void opt_frame_crop_top(const char *arg)
1713 frame_topBand = atoi(arg);
1714 if (frame_topBand < 0) {
1715 fprintf(stderr, "Incorrect top crop size\n");
1718 if ((frame_topBand % 2) != 0) {
1719 fprintf(stderr, "Top crop size must be a multiple of 2\n");
1722 if ((frame_topBand) >= frame_height){
1723 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1726 frame_height -= frame_topBand;
1729 static void opt_frame_crop_bottom(const char *arg)
1731 frame_bottomBand = atoi(arg);
1732 if (frame_bottomBand < 0) {
1733 fprintf(stderr, "Incorrect bottom crop size\n");
1736 if ((frame_bottomBand % 2) != 0) {
1737 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1740 if ((frame_bottomBand) >= frame_height){
1741 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1744 frame_height -= frame_bottomBand;
1747 static void opt_frame_crop_left(const char *arg)
1749 frame_leftBand = atoi(arg);
1750 if (frame_leftBand < 0) {
1751 fprintf(stderr, "Incorrect left crop size\n");
1754 if ((frame_leftBand % 2) != 0) {
1755 fprintf(stderr, "Left crop size must be a multiple of 2\n");
1758 if ((frame_leftBand) >= frame_width){
1759 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1762 frame_width -= frame_leftBand;
1765 static void opt_frame_crop_right(const char *arg)
1767 frame_rightBand = atoi(arg);
1768 if (frame_rightBand < 0) {
1769 fprintf(stderr, "Incorrect right crop size\n");
1772 if ((frame_rightBand % 2) != 0) {
1773 fprintf(stderr, "Right crop size must be a multiple of 2\n");
1776 if ((frame_rightBand) >= frame_width){
1777 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1780 frame_width -= frame_rightBand;
1783 static void opt_frame_size(const char *arg)
1785 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
1786 fprintf(stderr, "Incorrect frame size\n");
1789 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1790 fprintf(stderr, "Frame size must be a multiple of 2\n");
1795 static void opt_frame_pix_fmt(const char *arg)
1797 frame_pix_fmt = avcodec_get_pix_fmt(arg);
1800 static void opt_frame_aspect_ratio(const char *arg)
1806 p = strchr(arg, ':');
1808 x = strtol(arg, (char **)&arg, 10);
1810 y = strtol(arg+1, (char **)&arg, 10);
1812 ar = (double)x / (double)y;
1814 ar = strtod(arg, (char **)&arg);
1817 fprintf(stderr, "Incorrect aspect ratio specification.\n");
1820 frame_aspect_ratio = ar;
1823 static void opt_gop_size(const char *arg)
1825 gop_size = atoi(arg);
1828 static void opt_b_frames(const char *arg)
1830 b_frames = atoi(arg);
1831 if (b_frames > FF_MAX_B_FRAMES) {
1832 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1834 } else if (b_frames < 1) {
1835 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1840 static void opt_mb_decision(const char *arg)
1842 mb_decision = atoi(arg);
1845 static void opt_mb_cmp(const char *arg)
1850 static void opt_ildct_cmp(const char *arg)
1852 ildct_cmp = atoi(arg);
1855 static void opt_sub_cmp(const char *arg)
1857 sub_cmp = atoi(arg);
1860 static void opt_cmp(const char *arg)
1865 static void opt_qscale(const char *arg)
1867 video_qscale = atof(arg);
1868 if (video_qscale < 0.01 ||
1869 video_qscale > 255) {
1870 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
1875 static void opt_qmin(const char *arg)
1877 video_qmin = atoi(arg);
1878 if (video_qmin < 0 ||
1880 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1885 static void opt_qmax(const char *arg)
1887 video_qmax = atoi(arg);
1888 if (video_qmax < 0 ||
1890 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1895 static void opt_mb_qmin(const char *arg)
1897 video_mb_qmin = atoi(arg);
1898 if (video_mb_qmin < 0 ||
1899 video_mb_qmin > 31) {
1900 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1905 static void opt_mb_qmax(const char *arg)
1907 video_mb_qmax = atoi(arg);
1908 if (video_mb_qmax < 0 ||
1909 video_mb_qmax > 31) {
1910 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1915 static void opt_qdiff(const char *arg)
1917 video_qdiff = atoi(arg);
1918 if (video_qdiff < 0 ||
1920 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1925 static void opt_qblur(const char *arg)
1927 video_qblur = atof(arg);
1930 static void opt_qcomp(const char *arg)
1932 video_qcomp = atof(arg);
1935 static void opt_rc_initial_cplx(const char *arg)
1937 video_rc_initial_cplx = atof(arg);
1939 static void opt_b_qfactor(const char *arg)
1941 video_b_qfactor = atof(arg);
1943 static void opt_i_qfactor(const char *arg)
1945 video_i_qfactor = atof(arg);
1947 static void opt_b_qoffset(const char *arg)
1949 video_b_qoffset = atof(arg);
1951 static void opt_i_qoffset(const char *arg)
1953 video_i_qoffset = atof(arg);
1956 static void opt_ibias(const char *arg)
1958 video_intra_quant_bias = atoi(arg);
1960 static void opt_pbias(const char *arg)
1962 video_inter_quant_bias = atoi(arg);
1965 static void opt_packet_size(const char *arg)
1967 packet_size= atoi(arg);
1970 static void opt_error_rate(const char *arg)
1972 error_rate= atoi(arg);
1975 static void opt_strict(const char *arg)
1980 static void opt_top_field_first(const char *arg)
1982 top_field_first= atoi(arg);
1985 static void opt_noise_reduction(const char *arg)
1987 noise_reduction= atoi(arg);
1990 static void opt_sc_threshold(const char *arg)
1992 sc_threshold= atoi(arg);
1995 static void opt_audio_bitrate(const char *arg)
1997 audio_bit_rate = atoi(arg) * 1000;
2000 static void opt_audio_rate(const char *arg)
2002 audio_sample_rate = atoi(arg);
2005 static void opt_audio_channels(const char *arg)
2007 audio_channels = atoi(arg);
2010 static void opt_video_device(const char *arg)
2012 video_device = av_strdup(arg);
2015 static void opt_video_channel(const char *arg)
2017 video_channel = strtol(arg, NULL, 0);
2020 static void opt_video_standard(const char *arg)
2022 video_standard = av_strdup(arg);
2025 static void opt_audio_device(const char *arg)
2027 audio_device = av_strdup(arg);
2030 static void opt_dv1394(const char *arg)
2032 video_grab_format = "dv1394";
2033 audio_grab_format = NULL;
2036 static void opt_audio_codec(const char *arg)
2040 if (!strcmp(arg, "copy")) {
2041 audio_stream_copy = 1;
2045 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2050 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2053 audio_codec_id = p->id;
2058 static void add_frame_hooker(const char *arg)
2063 char *args = av_strdup(arg);
2067 argv[0] = strtok(args, " ");
2068 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2071 i = frame_hook_add(argc, argv);
2074 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2079 const char *motion_str[] = {
2089 static void opt_motion_estimation(const char *arg)
2095 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2098 if (!strcmp(*p, arg))
2102 me_method = (p - motion_str) + 1;
2105 static void opt_video_codec(const char *arg)
2109 if (!strcmp(arg, "copy")) {
2110 video_stream_copy = 1;
2114 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2119 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2122 video_codec_id = p->id;
2127 static void opt_map(const char *arg)
2133 m = &stream_maps[nb_stream_maps++];
2135 m->file_index = strtol(arg, (char **)&p, 0);
2139 m->stream_index = strtol(p, (char **)&p, 0);
2142 static void opt_recording_time(const char *arg)
2144 recording_time = parse_date(arg, 1);
2147 static void opt_start_time(const char *arg)
2149 start_time = parse_date(arg, 1);
2152 static void opt_input_file(const char *filename)
2154 AVFormatContext *ic;
2155 AVFormatParameters params, *ap = ¶ms;
2156 int err, i, ret, rfps, rfps_base;
2158 if (!strcmp(filename, "-"))
2161 using_stdin |= !strcmp(filename, "pipe:" ) ||
2162 !strcmp( filename, "/dev/stdin" );
2164 /* get default parameters from command line */
2165 memset(ap, 0, sizeof(*ap));
2166 ap->sample_rate = audio_sample_rate;
2167 ap->channels = audio_channels;
2168 ap->frame_rate = frame_rate;
2169 ap->frame_rate_base = frame_rate_base;
2170 ap->width = frame_width;
2171 ap->height = frame_height;
2172 ap->image_format = image_format;
2173 ap->pix_fmt = frame_pix_fmt;
2175 /* open the input file with generic libav function */
2176 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2178 print_error(filename, err);
2182 /* If not enough info to get the stream parameters, we decode the
2183 first frames to get it. (used in mpeg case for example) */
2184 ret = av_find_stream_info(ic);
2186 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2190 /* if seeking requested, we execute it */
2191 if (start_time != 0) {
2194 timestamp = start_time;
2195 /* add the stream start time */
2196 if (ic->start_time != AV_NOPTS_VALUE)
2197 timestamp += ic->start_time;
2198 ret = av_seek_frame(ic, -1, timestamp);
2200 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2201 filename, (double)timestamp / AV_TIME_BASE);
2203 /* reset seek info */
2207 /* update the current parameters so that they match the one of the input stream */
2208 for(i=0;i<ic->nb_streams;i++) {
2209 AVCodecContext *enc = &ic->streams[i]->codec;
2210 switch(enc->codec_type) {
2211 case CODEC_TYPE_AUDIO:
2212 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2213 audio_channels = enc->channels;
2214 audio_sample_rate = enc->sample_rate;
2216 case CODEC_TYPE_VIDEO:
2217 frame_height = enc->height;
2218 frame_width = enc->width;
2219 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2220 frame_pix_fmt = enc->pix_fmt;
2221 rfps = ic->streams[i]->r_frame_rate;
2222 rfps_base = ic->streams[i]->r_frame_rate_base;
2223 enc->workaround_bugs = workaround_bugs;
2224 enc->error_resilience = error_resilience;
2225 enc->error_concealment = error_concealment;
2226 enc->idct_algo = idct_algo;
2228 enc->debug_mv = debug_mv;
2230 enc->flags|= CODEC_FLAG_BITEXACT;
2232 assert(enc->frame_rate_base == rfps_base); // should be true for now
2233 if (enc->frame_rate != rfps) {
2234 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2235 i, (float)enc->frame_rate / enc->frame_rate_base,
2236 (float)rfps / rfps_base);
2238 /* update the current frame rate to match the stream frame rate */
2240 frame_rate_base = rfps_base;
2242 enc->rate_emu = rate_emu;
2244 case CODEC_TYPE_DATA:
2251 input_files[nb_input_files] = ic;
2252 /* dump the file content */
2253 dump_format(ic, nb_input_files, filename, 0);
2255 file_iformat = NULL;
2256 file_oformat = NULL;
2257 image_format = NULL;
2262 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2264 int has_video, has_audio, i, j;
2265 AVFormatContext *ic;
2269 for(j=0;j<nb_input_files;j++) {
2270 ic = input_files[j];
2271 for(i=0;i<ic->nb_streams;i++) {
2272 AVCodecContext *enc = &ic->streams[i]->codec;
2273 switch(enc->codec_type) {
2274 case CODEC_TYPE_AUDIO:
2277 case CODEC_TYPE_VIDEO:
2285 *has_video_ptr = has_video;
2286 *has_audio_ptr = has_audio;
2289 static void opt_output_file(const char *filename)
2292 AVFormatContext *oc;
2293 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2295 AVFormatParameters params, *ap = ¶ms;
2297 if (!strcmp(filename, "-"))
2300 oc = av_mallocz(sizeof(AVFormatContext));
2302 if (!file_oformat) {
2303 file_oformat = guess_format(NULL, filename, NULL);
2304 if (!file_oformat) {
2305 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2311 oc->oformat = file_oformat;
2313 if (!strcmp(file_oformat->name, "ffm") &&
2314 strstart(filename, "http:", NULL)) {
2315 /* special case for files sent to ffserver: we get the stream
2316 parameters from ffserver */
2317 if (read_ffserver_streams(oc, filename) < 0) {
2318 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2322 use_video = file_oformat->video_codec != CODEC_ID_NONE;
2323 use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2325 /* disable if no corresponding type found and at least one
2327 if (nb_input_files > 0) {
2328 check_audio_video_inputs(&input_has_video, &input_has_audio);
2329 if (!input_has_video)
2331 if (!input_has_audio)
2335 /* manual disable */
2336 if (audio_disable) {
2339 if (video_disable) {
2345 AVCodecContext *video_enc;
2347 st = av_mallocz(sizeof(AVStream));
2349 fprintf(stderr, "Could not alloc stream\n");
2352 avcodec_get_context_defaults(&st->codec);
2354 video_enc = &st->codec;
2356 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2357 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2358 if (video_stream_copy) {
2359 st->stream_copy = 1;
2360 video_enc->codec_type = CODEC_TYPE_VIDEO;
2365 codec_id = file_oformat->video_codec;
2366 if (video_codec_id != CODEC_ID_NONE)
2367 codec_id = video_codec_id;
2369 video_enc->codec_id = codec_id;
2371 video_enc->bit_rate = video_bit_rate;
2372 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2373 video_enc->frame_rate = frame_rate;
2374 video_enc->frame_rate_base = frame_rate_base;
2376 video_enc->width = frame_width;
2377 video_enc->height = frame_height;
2378 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2379 video_enc->pix_fmt = frame_pix_fmt;
2382 video_enc->gop_size = gop_size;
2384 video_enc->gop_size = 0;
2385 if (video_qscale || same_quality) {
2386 video_enc->flags |= CODEC_FLAG_QSCALE;
2387 st->quality = FF_QP2LAMBDA * video_qscale;
2391 video_enc->intra_matrix = intra_matrix;
2393 video_enc->inter_matrix = inter_matrix;
2396 video_enc->flags |= CODEC_FLAG_BITEXACT;
2398 video_enc->mb_decision = mb_decision;
2399 video_enc->mb_cmp = mb_cmp;
2400 video_enc->ildct_cmp = ildct_cmp;
2401 video_enc->me_sub_cmp = sub_cmp;
2402 video_enc->me_cmp = cmp;
2405 video_enc->flags |= CODEC_FLAG_H263P_UMV;
2408 video_enc->flags |= CODEC_FLAG_H263P_AIC;
2411 video_enc->flags |= CODEC_FLAG_H263P_AIV;
2414 video_enc->flags |= CODEC_FLAG_4MV;
2417 video_enc->flags |= CODEC_FLAG_OBMC;
2421 video_enc->flags |= CODEC_FLAG_PART;
2424 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
2427 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
2429 if (use_scan_offset) {
2430 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
2433 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
2436 video_enc->max_b_frames = b_frames;
2437 video_enc->b_frame_strategy = 0;
2438 video_enc->b_quant_factor = 2.0;
2440 if (do_interlace_dct) {
2441 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
2443 if (do_interlace_me) {
2444 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
2446 video_enc->qmin = video_qmin;
2447 video_enc->qmax = video_qmax;
2448 video_enc->mb_qmin = video_mb_qmin;
2449 video_enc->mb_qmax = video_mb_qmax;
2450 video_enc->max_qdiff = video_qdiff;
2451 video_enc->qblur = video_qblur;
2452 video_enc->qcompress = video_qcomp;
2453 video_enc->rc_eq = video_rc_eq;
2454 video_enc->debug = debug;
2455 video_enc->debug_mv = debug_mv;
2456 p= video_rc_override_string;
2459 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2461 fprintf(stderr, "error parsing rc_override\n");
2464 video_enc->rc_override=
2465 av_realloc(video_enc->rc_override,
2466 sizeof(RcOverride)*(i+1));
2467 video_enc->rc_override[i].start_frame= start;
2468 video_enc->rc_override[i].end_frame = end;
2470 video_enc->rc_override[i].qscale= q;
2471 video_enc->rc_override[i].quality_factor= 1.0;
2474 video_enc->rc_override[i].qscale= 0;
2475 video_enc->rc_override[i].quality_factor= -q/100.0;
2480 video_enc->rc_override_count=i;
2482 video_enc->rc_max_rate = video_rc_max_rate;
2483 video_enc->rc_min_rate = video_rc_min_rate;
2484 video_enc->rc_buffer_size = video_rc_buffer_size;
2485 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2486 video_enc->rc_initial_cplx= video_rc_initial_cplx;
2487 video_enc->i_quant_factor = video_i_qfactor;
2488 video_enc->b_quant_factor = video_b_qfactor;
2489 video_enc->i_quant_offset = video_i_qoffset;
2490 video_enc->b_quant_offset = video_b_qoffset;
2491 video_enc->intra_quant_bias = video_intra_quant_bias;
2492 video_enc->inter_quant_bias = video_inter_quant_bias;
2493 video_enc->dct_algo = dct_algo;
2494 video_enc->idct_algo = idct_algo;
2495 video_enc->strict_std_compliance = strict;
2496 video_enc->error_rate = error_rate;
2497 video_enc->noise_reduction= noise_reduction;
2498 video_enc->scenechange_threshold= sc_threshold;
2500 video_enc->rtp_mode= 1;
2501 video_enc->rtp_payload_size= packet_size;
2505 video_enc->flags|= CODEC_FLAG_PSNR;
2507 video_enc->me_method = me_method;
2512 video_enc->flags |= CODEC_FLAG_PASS1;
2514 video_enc->flags |= CODEC_FLAG_PASS2;
2518 oc->streams[nb_streams] = st;
2523 AVCodecContext *audio_enc;
2525 st = av_mallocz(sizeof(AVStream));
2527 fprintf(stderr, "Could not alloc stream\n");
2530 avcodec_get_context_defaults(&st->codec);
2532 audio_enc = &st->codec;
2533 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2535 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2536 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2537 if (audio_stream_copy) {
2538 st->stream_copy = 1;
2540 codec_id = file_oformat->audio_codec;
2541 if (audio_codec_id != CODEC_ID_NONE)
2542 codec_id = audio_codec_id;
2543 audio_enc->codec_id = codec_id;
2545 audio_enc->bit_rate = audio_bit_rate;
2546 audio_enc->sample_rate = audio_sample_rate;
2547 /* For audio codecs other than AC3 we limit */
2548 /* the number of coded channels to stereo */
2549 if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2550 audio_enc->channels = 2;
2552 audio_enc->channels = audio_channels;
2554 oc->streams[nb_streams] = st;
2558 oc->nb_streams = nb_streams;
2561 fprintf(stderr, "No audio or video streams available\n");
2566 pstrcpy(oc->title, sizeof(oc->title), str_title);
2568 pstrcpy(oc->author, sizeof(oc->author), str_author);
2570 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2572 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2575 output_files[nb_output_files++] = oc;
2577 strcpy(oc->filename, filename);
2579 /* check filename in case of an image number is expected */
2580 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2581 if (filename_number_test(oc->filename) < 0) {
2582 print_error(oc->filename, AVERROR_NUMEXPECTED);
2587 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2588 /* test if it already exists to avoid loosing precious files */
2589 if (!file_overwrite &&
2590 (strchr(filename, ':') == NULL ||
2591 strstart(filename, "file:", NULL))) {
2592 if (url_exist(filename)) {
2595 if ( !using_stdin ) {
2596 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2599 if (toupper(c) != 'Y') {
2600 fprintf(stderr, "Not overwriting - exiting\n");
2605 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2612 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2613 fprintf(stderr, "Could not open '%s'\n", filename);
2618 memset(ap, 0, sizeof(*ap));
2619 ap->image_format = image_format;
2620 if (av_set_parameters(oc, ap) < 0) {
2621 fprintf(stderr, "%s: Invalid encoding parameters\n",
2626 /* reset some options */
2627 file_oformat = NULL;
2628 file_iformat = NULL;
2629 image_format = NULL;
2632 audio_codec_id = CODEC_ID_NONE;
2633 video_codec_id = CODEC_ID_NONE;
2634 audio_stream_copy = 0;
2635 video_stream_copy = 0;
2638 /* prepare dummy protocols for grab */
2639 static void prepare_grab(void)
2641 int has_video, has_audio, i, j;
2642 AVFormatContext *oc;
2643 AVFormatContext *ic;
2644 AVFormatParameters vp1, *vp = &vp1;
2645 AVFormatParameters ap1, *ap = &ap1;
2647 /* see if audio/video inputs are needed */
2650 memset(ap, 0, sizeof(*ap));
2651 memset(vp, 0, sizeof(*vp));
2652 for(j=0;j<nb_output_files;j++) {
2653 oc = output_files[j];
2654 for(i=0;i<oc->nb_streams;i++) {
2655 AVCodecContext *enc = &oc->streams[i]->codec;
2656 switch(enc->codec_type) {
2657 case CODEC_TYPE_AUDIO:
2658 if (enc->sample_rate > ap->sample_rate)
2659 ap->sample_rate = enc->sample_rate;
2660 if (enc->channels > ap->channels)
2661 ap->channels = enc->channels;
2664 case CODEC_TYPE_VIDEO:
2665 if (enc->width > vp->width)
2666 vp->width = enc->width;
2667 if (enc->height > vp->height)
2668 vp->height = enc->height;
2670 assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
2671 if (enc->frame_rate > vp->frame_rate){
2672 vp->frame_rate = enc->frame_rate;
2673 vp->frame_rate_base = enc->frame_rate_base;
2683 if (has_video == 0 && has_audio == 0) {
2684 fprintf(stderr, "Output file must have at least one audio or video stream\n");
2689 AVInputFormat *fmt1;
2690 fmt1 = av_find_input_format(video_grab_format);
2691 vp->device = video_device;
2692 vp->channel = video_channel;
2693 vp->standard = video_standard;
2694 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2695 fprintf(stderr, "Could not find video grab device\n");
2698 /* If not enough info to get the stream parameters, we decode the
2699 first frames to get it. */
2700 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
2701 fprintf(stderr, "Could not find video grab parameters\n");
2704 /* by now video grab has one stream */
2705 ic->streams[0]->r_frame_rate = vp->frame_rate;
2706 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
2707 input_files[nb_input_files] = ic;
2708 dump_format(ic, nb_input_files, "", 0);
2711 if (has_audio && audio_grab_format) {
2712 AVInputFormat *fmt1;
2713 fmt1 = av_find_input_format(audio_grab_format);
2714 ap->device = audio_device;
2715 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2716 fprintf(stderr, "Could not find audio grab device\n");
2719 input_files[nb_input_files] = ic;
2720 dump_format(ic, nb_input_files, "", 0);
2725 /* same option as mencoder */
2726 static void opt_pass(const char *pass_str)
2729 pass = atoi(pass_str);
2730 if (pass != 1 && pass != 2) {
2731 fprintf(stderr, "pass number can be only 1 or 2\n");
2737 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2738 static int64_t getutime(void)
2740 return av_gettime();
2743 static int64_t getutime(void)
2745 struct rusage rusage;
2747 getrusage(RUSAGE_SELF, &rusage);
2748 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2752 extern int ffm_nopts;
2754 static void opt_bitexact(void)
2757 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2761 static void show_formats(void)
2763 AVInputFormat *ifmt;
2764 AVOutputFormat *ofmt;
2765 AVImageFormat *image_fmt;
2770 printf("Output audio/video file formats:");
2771 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2772 printf(" %s", ofmt->name);
2776 printf("Input audio/video file formats:");
2777 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2778 printf(" %s", ifmt->name);
2782 printf("Output image formats:");
2783 for(image_fmt = first_image_format; image_fmt != NULL;
2784 image_fmt = image_fmt->next) {
2785 if (image_fmt->img_write)
2786 printf(" %s", image_fmt->name);
2790 printf("Input image formats:");
2791 for(image_fmt = first_image_format; image_fmt != NULL;
2792 image_fmt = image_fmt->next) {
2793 if (image_fmt->img_read)
2794 printf(" %s", image_fmt->name);
2798 printf("Codecs:\n");
2799 printf(" Encoders:");
2800 for(p = first_avcodec; p != NULL; p = p->next) {
2802 printf(" %s", p->name);
2806 printf(" Decoders:");
2807 for(p = first_avcodec; p != NULL; p = p->next) {
2809 printf(" %s", p->name);
2813 printf("Supported file protocols:");
2814 for(up = first_protocol; up != NULL; up = up->next)
2815 printf(" %s:", up->name);
2818 printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2819 printf("Motion estimation methods:");
2823 if ((pp - motion_str + 1) == ME_ZERO)
2824 printf("(fastest)");
2825 else if ((pp - motion_str + 1) == ME_FULL)
2826 printf("(slowest)");
2827 else if ((pp - motion_str + 1) == ME_EPZS)
2828 printf("(default)");
2835 void parse_matrix_coeffs(uint16_t *dest, const char *str)
2838 const char *p = str;
2845 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2852 void opt_inter_matrix(const char *arg)
2854 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
2855 parse_matrix_coeffs(inter_matrix, arg);
2858 void opt_intra_matrix(const char *arg)
2860 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
2861 parse_matrix_coeffs(intra_matrix, arg);
2864 static void opt_target(const char *arg)
2868 if(!strncmp(arg, "pal-", 4)) {
2871 } else if(!strncmp(arg, "ntsc-", 5)) {
2876 /* Calculate FR via float to avoid int overflow */
2877 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
2880 } else if((fr == 29970) || (fr == 23976)) {
2883 /* Try to determine PAL/NTSC by peeking in the input files */
2884 if(nb_input_files) {
2886 for(j = 0; j < nb_input_files; j++) {
2887 for(i = 0; i < input_files[j]->nb_streams; i++) {
2888 AVCodecContext *c = &input_files[j]->streams[i]->codec;
2889 if(c->codec_type != CODEC_TYPE_VIDEO)
2891 fr = c->frame_rate * 1000 / c->frame_rate_base;
2895 } else if((fr == 29970) || (fr == 23976)) {
2905 if(verbose && norm >= 0)
2906 printf("Assuming %s for target.\n", norm ? "NTSC" : "PAL");
2910 fprintf(stderr, "Could not determine norm (PAL/NTSC) for target.\n");
2911 fprintf(stderr, "Please prefix target with \"pal-\" or \"ntsc-\",\n");
2912 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
2916 if(!strcmp(arg, "vcd")) {
2918 opt_video_codec("mpeg1video");
2919 opt_audio_codec("mp2");
2922 opt_frame_size(norm ? "352x240" : "352x288");
2924 video_bit_rate = 1150000;
2925 video_rc_max_rate = 1150000;
2926 video_rc_min_rate = 1150000;
2927 video_rc_buffer_size = 40*1024*8;
2929 audio_bit_rate = 224000;
2930 audio_sample_rate = 44100;
2932 } else if(!strcmp(arg, "svcd")) {
2934 opt_video_codec("mpeg2video");
2935 opt_audio_codec("mp2");
2938 opt_frame_size(norm ? "480x480" : "480x576");
2939 opt_gop_size(norm ? "18" : "15");
2941 video_bit_rate = 2040000;
2942 video_rc_max_rate = 2516000;
2943 video_rc_min_rate = 0; //1145000;
2944 video_rc_buffer_size = 224*1024*8;
2945 use_scan_offset = 1;
2947 audio_bit_rate = 224000;
2948 audio_sample_rate = 44100;
2950 } else if(!strcmp(arg, "dvd")) {
2952 opt_video_codec("mpeg2video");
2953 opt_audio_codec("ac3");
2956 opt_frame_size(norm ? "720x480" : "720x576");
2957 opt_gop_size(norm ? "18" : "15");
2959 video_bit_rate = 6000000;
2960 video_rc_max_rate = 9000000;
2961 video_rc_min_rate = 0; //1500000;
2962 video_rc_buffer_size = 224*1024*8;
2964 audio_bit_rate = 448000;
2965 audio_sample_rate = 48000;
2968 fprintf(stderr, "Unknown target: %s\n", arg);
2973 const OptionDef options[] = {
2975 { "L", 0, {(void*)show_license}, "show license" },
2976 { "h", 0, {(void*)show_help}, "show help" },
2977 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2978 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2979 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2980 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2981 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2982 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2983 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2984 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
2985 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2986 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2987 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2988 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2989 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2990 { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
2991 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
2992 "add timings for benchmarking" },
2993 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
2994 "dump each input packet" },
2995 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
2996 "when dumping packets, also dump the payload" },
2997 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
2998 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
2999 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3000 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3001 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\" or \"dvd\")", "type" },
3004 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
3005 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3006 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3007 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3008 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3009 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3010 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3011 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3012 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3013 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
3014 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3015 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3016 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
3017 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
3018 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
3019 { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
3020 { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
3021 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
3022 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
3023 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
3024 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
3025 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
3026 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
3027 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
3028 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
3029 { "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" },
3030 { "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" },
3031 // { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
3032 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3033 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3034 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
3035 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
3036 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
3037 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kByte)", "size" },
3038 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3039 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
3041 { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" },
3042 { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" },
3043 { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" },
3044 { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" },
3045 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
3046 { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
3047 { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
3048 { "mbcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_cmp}, "macroblock compare function", "cmp function" },
3049 { "ildctcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ildct_cmp}, "ildct compare function", "cmp function" },
3050 { "subcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sub_cmp}, "subpel compare function", "cmp function" },
3051 { "cmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_cmp}, "fullpel compare function", "cmp function" },
3052 { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (MPEG4)" },
3053 { "obmc", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_obmc}, "use overlapped block motion compensation (h263+)" },
3054 { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (MPEG4)" },
3055 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
3056 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
3057 { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
3058 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" },
3059 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3060 "use same video quality as source (implies VBR)" },
3061 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3062 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3063 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3064 "deinterlace pictures" },
3065 { "ildct", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_dct},
3066 "force interlaced dct support in encoder (MPEG2/MPEG4)" },
3067 { "ilme", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_me},
3068 "force interlacied me support in encoder MPEG2" },
3069 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3070 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
3071 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3072 { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
3073 { "aiv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aiv}, "enable Alternative inter vlc (h263+)" },
3074 { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
3075 { "alt", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_alt_scan}, "enable alternate scantable (mpeg2)" },
3076 { "trell", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_trell}, "enable trellis quantization" },
3077 { "cgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&closed_gop}, "closed gop" },
3078 { "scan_offset", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_scan_offset}, "enable SVCD Scan Offset placeholder" },
3079 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3080 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3081 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3082 { "nr", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_noise_reduction}, "noise reduction", "" },
3083 { "sc_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sc_threshold}, "scene change threshold", "threshold" },
3086 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
3087 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3088 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3089 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3090 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3093 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
3094 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3095 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3096 { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
3097 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
3101 static void show_banner(void)
3103 printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
3106 static void show_license(void)
3110 "This library is free software; you can redistribute it and/or\n"
3111 "modify it under the terms of the GNU Lesser General Public\n"
3112 "License as published by the Free Software Foundation; either\n"
3113 "version 2 of the License, or (at your option) any later version.\n"
3115 "This library is distributed in the hope that it will be useful,\n"
3116 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3117 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3118 "Lesser General Public License for more details.\n"
3120 "You should have received a copy of the GNU Lesser General Public\n"
3121 "License along with this library; if not, write to the Free Software\n"
3122 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
3127 static void show_help(void)
3130 printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
3131 "Hyper fast Audio and Video encoder\n");
3133 show_help_options(options, "Main options:\n",
3134 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3135 show_help_options(options, "\nVideo options:\n",
3136 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3138 show_help_options(options, "\nAdvanced Video options:\n",
3139 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3140 OPT_VIDEO | OPT_EXPERT);
3141 show_help_options(options, "\nAudio options:\n",
3142 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3144 show_help_options(options, "\nAdvanced Audio options:\n",
3145 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3146 OPT_AUDIO | OPT_EXPERT);
3147 show_help_options(options, "\nAudio/Video grab options:\n",
3150 show_help_options(options, "\nAdvanced options:\n",
3151 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3156 void parse_arg_file(const char *filename)
3158 opt_output_file(filename);
3161 int main(int argc, char **argv)
3172 parse_options(argc, argv, options);
3174 /* file converter / grab */
3175 if (nb_output_files <= 0) {
3176 fprintf(stderr, "Must supply at least one output file\n");
3180 if (nb_input_files == 0) {
3185 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3186 stream_maps, nb_stream_maps);
3187 ti = getutime() - ti;
3189 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3193 for(i=0;i<nb_output_files;i++) {
3194 /* maybe av_close_output_file ??? */
3195 AVFormatContext *s = output_files[i];
3197 if (!(s->oformat->flags & AVFMT_NOFILE))
3199 for(j=0;j<s->nb_streams;j++)
3200 av_free(s->streams[j]);
3203 for(i=0;i<nb_input_files;i++)
3204 av_close_input_file(input_files[i]);
3209 av_free(intra_matrix);
3211 av_free(inter_matrix);
3213 #ifdef POWERPC_PERFORMANCE_REPORT
3214 extern void powerpc_display_perf_report(void);
3215 powerpc_display_perf_report();
3216 #endif /* POWERPC_PERFORMANCE_REPORT */
3218 #ifndef CONFIG_WIN32
3219 if (received_sigterm) {
3221 "Received signal %d: terminating.\n",
3222 (int) received_sigterm);
3226 exit(0); /* not all OS-es handle main() return value */