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 int 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 #if 0 //experimental, (can be removed)
91 static float video_rc_qsquish=1.0;
92 static float video_rc_qmod_amp=0;
93 static int video_rc_qmod_freq=0;
95 static char *video_rc_override_string=NULL;
96 static char *video_rc_eq="tex^qComp";
97 static int video_rc_buffer_size=0;
98 static float video_rc_buffer_aggressivity=1.0;
99 static int video_rc_max_rate=0;
100 static int video_rc_min_rate=0;
101 static float video_rc_initial_cplx=0;
102 static float video_b_qfactor = 1.25;
103 static float video_b_qoffset = 1.25;
104 static float video_i_qfactor = -0.8;
105 static float video_i_qoffset = 0.0;
106 static int me_method = ME_EPZS;
107 static int video_disable = 0;
108 static int video_codec_id = CODEC_ID_NONE;
109 static int same_quality = 0;
110 static int b_frames = 0;
111 static int mb_decision = FF_MB_DECISION_SIMPLE;
112 static int use_4mv = 0;
113 static int use_aic = 0;
114 static int use_umv = 0;
115 static int do_deinterlace = 0;
116 static int workaround_bugs = FF_BUG_AUTODETECT;
117 static int error_resilience = 2;
118 static int error_concealment = 3;
119 static int dct_algo = 0;
120 static int idct_algo = 0;
121 static int use_part = 0;
122 static int packet_size = 0;
123 static int strict = 0;
124 static int debug = 0;
125 extern int loop_input; /* currently a hack */
127 static int gop_size = 12;
128 static int intra_only = 0;
129 static int audio_sample_rate = 44100;
130 static int audio_bit_rate = 64000;
131 static int audio_disable = 0;
132 static int audio_channels = 1;
133 static int audio_codec_id = CODEC_ID_NONE;
135 static int64_t recording_time = 0;
136 static int file_overwrite = 0;
137 static char *str_title = NULL;
138 static char *str_author = NULL;
139 static char *str_copyright = NULL;
140 static char *str_comment = NULL;
141 static int do_benchmark = 0;
142 static int do_hex_dump = 0;
143 static int do_psnr = 0;
144 static int do_vstats = 0;
145 static int do_pass = 0;
146 static int bitexact = 0;
147 static char *pass_logfilename = NULL;
148 static int audio_stream_copy = 0;
149 static int video_stream_copy = 0;
151 static int rate_emu = 0;
153 static char *video_grab_format = "video4linux";
154 static char *video_device = NULL;
155 static int video_channel = 0;
156 static char *video_standard = "ntsc";
158 static char *audio_grab_format = "audio_device";
159 static char *audio_device = NULL;
161 static int using_stdin = 0;
162 static int using_vhook = 0;
163 static int verbose = 1;
165 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
167 typedef struct AVOutputStream {
168 int file_index; /* file index */
169 int index; /* stream index in the output file */
170 int source_index; /* AVInputStream index */
171 AVStream *st; /* stream in the output file */
172 int encoding_needed; /* true if encoding needed for this stream */
174 /* input pts and corresponding output pts
177 double sync_ipts_offset;
180 int video_resample; /* video_resample and video_crop are mutually exclusive */
181 AVPicture pict_tmp; /* temporary image for resampling */
182 ImgReSampleContext *img_resample_ctx; /* for image resampling */
184 int video_crop; /* video_resample and video_crop are mutually exclusive */
185 int topBand; /* cropping area sizes */
190 ReSampleContext *resample; /* for audio resampling */
191 FifoBuffer fifo; /* for compression: one audio fifo per codec */
195 typedef struct AVInputStream {
199 int discard; /* true if stream data should be discarded */
200 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
201 int64_t sample_index; /* current sample */
202 int frame_decoded; /* true if a video or audio frame has been decoded */
204 int64_t start; /* time when read started */
205 unsigned long frame; /* current frame */
206 AVFrac next_pts; /* synthetic pts for cases where pkt.pts == 0 */
207 int64_t pts; /* current pts */
210 typedef struct AVInputFile {
211 int eof_reached; /* true if eof reached */
212 int ist_index; /* index of first stream in ist_table */
213 int buffer_size; /* current total buffer size */
214 int buffer_size_max; /* buffer size at which we consider we can stop
216 int nb_streams; /* nb streams we are aware of */
221 /* init terminal so that we can grab keys */
222 static struct termios oldtty;
224 static void term_exit(void)
226 tcsetattr (0, TCSANOW, &oldtty);
229 static volatile sig_atomic_t received_sigterm = 0;
232 sigterm_handler(int sig)
234 received_sigterm = sig;
238 static void term_init(void)
245 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
246 |INLCR|IGNCR|ICRNL|IXON);
247 tty.c_oflag |= OPOST;
248 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
249 tty.c_cflag &= ~(CSIZE|PARENB);
254 tcsetattr (0, TCSANOW, &tty);
256 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
257 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
258 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
260 register a function to be called at normal program termination
263 #ifdef CONFIG_BEOS_NETSERVER
264 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
268 /* read a key without blocking */
269 static int read_key(void)
273 #ifndef CONFIG_BEOS_NETSERVER
281 n = select(1, &rfds, NULL, NULL, &tv);
295 static volatile int received_sigterm = 0;
297 /* no interactive support */
298 static void term_exit(void)
302 static void term_init(void)
306 static int read_key(void)
313 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
318 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
321 /* copy stream format */
322 s->nb_streams = ic->nb_streams;
323 for(i=0;i<ic->nb_streams;i++) {
326 st = av_mallocz(sizeof(AVStream));
327 memcpy(st, ic->streams[i], sizeof(AVStream));
331 av_close_input_file(ic);
335 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
337 static void do_audio_out(AVFormatContext *s,
340 unsigned char *buf, int size)
343 static uint8_t *audio_buf = NULL;
344 static uint8_t *audio_out = NULL;
345 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
347 int size_out, frame_bytes, ret;
350 /* SC: dynamic allocation of buffers */
352 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
354 audio_out = av_malloc(audio_out_size);
355 if (!audio_buf || !audio_out)
356 return; /* Should signal an error ! */
359 enc = &ost->st->codec;
361 if (ost->audio_resample) {
363 size_out = audio_resample(ost->resample,
364 (short *)buftmp, (short *)buf,
365 size / (ist->st->codec.channels * 2));
366 size_out = size_out * enc->channels * 2;
372 /* now encode as many frames as possible */
373 if (enc->frame_size > 1) {
374 /* output resampled raw samples */
375 fifo_write(&ost->fifo, buftmp, size_out,
378 frame_bytes = enc->frame_size * 2 * enc->channels;
380 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
381 &ost->fifo.rptr) == 0) {
382 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
384 av_write_frame(s, ost->index, audio_out, ret);
387 /* output a pcm frame */
388 /* XXX: change encoding codec API to avoid this ? */
389 switch(enc->codec->id) {
390 case CODEC_ID_PCM_S16LE:
391 case CODEC_ID_PCM_S16BE:
392 case CODEC_ID_PCM_U16LE:
393 case CODEC_ID_PCM_U16BE:
396 size_out = size_out >> 1;
399 ret = avcodec_encode_audio(enc, audio_out, size_out,
401 av_write_frame(s, ost->index, audio_out, ret);
405 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
409 AVPicture picture_tmp;
412 dec = &ist->st->codec;
414 /* deinterlace : must be done before any resize */
415 if (do_deinterlace || using_vhook) {
418 /* create temporary picture */
419 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
420 buf = av_malloc(size);
424 picture2 = &picture_tmp;
425 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
428 if(avpicture_deinterlace(picture2, picture,
429 dec->pix_fmt, dec->width, dec->height) < 0) {
430 /* if error, do not deinterlace */
436 if (img_convert(picture2, dec->pix_fmt, picture,
437 dec->pix_fmt, dec->width, dec->height) < 0) {
438 /* if error, do not copy */
448 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
450 if (picture != picture2)
451 *picture = *picture2;
455 /* we begin to correct av delay at this threshold */
456 #define AV_DELAY_MAX 0.100
458 static void do_video_out(AVFormatContext *s,
461 AVPicture *in_picture,
462 int *frame_size, AVOutputStream *audio_sync)
464 int nb_frames, i, ret;
465 AVPicture *final_picture, *formatted_picture;
466 AVPicture picture_format_temp, picture_crop_temp;
467 static uint8_t *video_buffer;
468 uint8_t *buf = NULL, *buf1 = NULL;
469 AVCodecContext *enc, *dec;
470 enum PixelFormat target_pixfmt;
472 #define VIDEO_BUFFER_SIZE (1024*1024)
474 enc = &ost->st->codec;
475 dec = &ist->st->codec;
477 /* by default, we output a single frame */
482 /* NOTE: the A/V sync is always done by considering the audio is
483 the master clock. It is suffisant for transcoding or playing,
484 but not for the general case */
486 /* compute the A-V delay and duplicate/remove frames if needed */
487 double adelta, vdelta, av_delay;
489 adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts *
490 s->pts_num / s->pts_den);
492 vdelta = ost->sync_ipts - ((double)ost->sync_opts *
493 s->pts_num / s->pts_den);
495 av_delay = adelta - vdelta;
496 // printf("delay=%f\n", av_delay);
497 if (av_delay < -AV_DELAY_MAX)
499 else if (av_delay > AV_DELAY_MAX)
504 vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
505 if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
506 if (vdelta < -AV_DELAY_MAX)
508 else if (vdelta > AV_DELAY_MAX)
511 ost->sync_ipts_offset -= vdelta;
512 if (!ost->sync_ipts_offset)
513 ost->sync_ipts_offset = 0.000001; /* one microsecond */
517 #if defined(AVSYNC_DEBUG)
518 static char *action[] = { "drop frame", "copy frame", "dup frame" };
520 fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
521 (double) audio_sync->sync_ipts,
522 (double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
523 fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
524 (double) ost->sync_ipts,
525 (double) ost->st->pts.val * s->pts_num / s->pts_den,
533 video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
537 /* convert pixel format if needed */
538 target_pixfmt = ost->video_resample ? PIX_FMT_YUV420P : enc->pix_fmt;
539 if (dec->pix_fmt != target_pixfmt) {
542 /* create temporary picture */
543 size = avpicture_get_size(enc->pix_fmt, dec->width, dec->height);
544 buf = av_malloc(size);
547 formatted_picture = &picture_format_temp;
548 avpicture_fill(formatted_picture, buf, enc->pix_fmt, dec->width, dec->height);
550 if (img_convert(formatted_picture, target_pixfmt,
551 in_picture, dec->pix_fmt,
552 dec->width, dec->height) < 0) {
553 fprintf(stderr, "pixel format conversion not handled\n");
557 formatted_picture = in_picture;
560 /* XXX: resampling could be done before raw format convertion in
561 some cases to go faster */
562 /* XXX: only works for YUV420P */
563 if (ost->video_resample) {
564 final_picture = &ost->pict_tmp;
565 img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
566 if (enc->pix_fmt != PIX_FMT_YUV420P) {
570 /* create temporary picture */
571 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
572 buf = av_malloc(size);
575 final_picture = &picture_format_temp;
576 avpicture_fill(final_picture, buf, enc->pix_fmt, enc->width, enc->height);
578 if (img_convert(final_picture, enc->pix_fmt,
579 &ost->pict_tmp, PIX_FMT_YUV420P,
580 enc->width, enc->height) < 0) {
581 fprintf(stderr, "pixel format conversion not handled\n");
585 } else if (ost->video_crop) {
586 picture_crop_temp.data[0] = formatted_picture->data[0] +
587 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
589 picture_crop_temp.data[1] = formatted_picture->data[1] +
590 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
591 (ost->leftBand >> 1);
593 picture_crop_temp.data[2] = formatted_picture->data[2] +
594 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
595 (ost->leftBand >> 1);
597 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
598 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
599 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
600 final_picture = &picture_crop_temp;
602 final_picture = formatted_picture;
604 /* duplicates frame if needed */
605 /* XXX: pb because no interleaving */
606 for(i=0;i<nb_frames;i++) {
607 if (s->oformat->flags & AVFMT_RAWPICTURE) {
608 /* raw pictures are written as AVPicture structure to
609 avoid any copies. We support temorarily the older
611 av_write_frame(s, ost->index,
612 (uint8_t *)final_picture, sizeof(AVPicture));
616 memset(&big_picture, 0, sizeof(AVFrame));
617 *(AVPicture*)&big_picture= *final_picture;
619 /* handles sameq here. This is not correct because it may
620 not be a global option */
622 big_picture.quality = ist->st->quality;
624 big_picture.quality = ost->st->quality;
626 ret = avcodec_encode_video(enc,
627 video_buffer, VIDEO_BUFFER_SIZE,
629 //enc->frame_number = enc->real_pict_num;
630 av_write_frame(s, ost->index, video_buffer, ret);
632 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
633 // enc->frame_number-1, enc->real_pict_num, ret,
635 /* if two pass, output log */
636 if (ost->logfile && enc->stats_out) {
637 fprintf(ost->logfile, "%s", enc->stats_out);
647 static double psnr(double d){
648 if(d==0) return INFINITY;
649 return -10.0*log(d)/log(10.0);
652 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
655 static FILE *fvstats=NULL;
656 static int64_t total_size = 0;
663 double ti1, bitrate, avg_bitrate;
667 today = localtime(&today2);
668 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
671 fvstats = fopen(filename,"w");
679 enc = &ost->st->codec;
680 total_size += frame_size;
681 if (enc->codec_type == CODEC_TYPE_VIDEO) {
682 frame_number = ost->frame_number;
683 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality);
684 if (enc->flags&CODEC_FLAG_PSNR)
685 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
687 fprintf(fvstats,"f_size= %6d ", frame_size);
688 /* compute pts value */
689 ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
693 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
694 avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
695 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
696 (double)total_size / 1024, ti1, bitrate, avg_bitrate);
697 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
701 static void print_report(AVFormatContext **output_files,
702 AVOutputStream **ost_table, int nb_ostreams,
707 AVFormatContext *oc, *os;
710 int frame_number, vid, i;
711 double bitrate, ti1, pts;
712 static int64_t last_time = -1;
714 if (!is_last_report) {
716 /* display the report every 0.5 seconds */
717 cur_time = av_gettime();
718 if (last_time == -1) {
719 last_time = cur_time;
722 if ((cur_time - last_time) < 500000)
724 last_time = cur_time;
728 oc = output_files[0];
730 total_size = url_ftell(&oc->pb);
735 for(i=0;i<nb_ostreams;i++) {
737 os = output_files[ost->file_index];
738 enc = &ost->st->codec;
739 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
740 sprintf(buf + strlen(buf), "q=%2.1f ",
741 enc->coded_frame->quality);
743 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
744 frame_number = ost->frame_number;
745 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
746 frame_number, enc->coded_frame ? enc->coded_frame->quality : 0);
747 if (enc->flags&CODEC_FLAG_PSNR)
748 sprintf(buf + strlen(buf), "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
751 /* compute min output value */
752 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
753 if ((pts < ti1) && (pts > 0))
759 if (verbose || is_last_report) {
760 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
762 sprintf(buf + strlen(buf),
763 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
764 (double)total_size / 1024, ti1, bitrate);
766 fprintf(stderr, "%s \r", buf);
771 fprintf(stderr, "\n");
775 * The following code is the main loop of the file converter
777 static int av_encode(AVFormatContext **output_files,
779 AVFormatContext **input_files,
781 AVStreamMap *stream_maps, int nb_stream_maps)
783 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
784 AVFormatContext *is, *os;
785 AVCodecContext *codec, *icodec;
786 AVOutputStream *ost, **ost_table = NULL;
787 AVInputStream *ist, **ist_table = NULL;
788 AVInputFile *file_table;
789 AVFormatContext *stream_no_data;
792 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
796 /* input stream init */
798 for(i=0;i<nb_input_files;i++) {
800 file_table[i].ist_index = j;
801 file_table[i].nb_streams = is->nb_streams;
806 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
810 for(i=0;i<nb_istreams;i++) {
811 ist = av_mallocz(sizeof(AVInputStream));
817 for(i=0;i<nb_input_files;i++) {
819 for(k=0;k<is->nb_streams;k++) {
820 ist = ist_table[j++];
821 ist->st = is->streams[k];
824 ist->discard = 1; /* the stream is discarded by default
827 if (ist->st->codec.rate_emu) {
828 ist->start = av_gettime();
834 /* output stream init */
836 for(i=0;i<nb_output_files;i++) {
837 os = output_files[i];
838 nb_ostreams += os->nb_streams;
840 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
841 fprintf(stderr, "Number of stream maps must match number of output streams\n");
845 /* Sanity check the mapping args -- do the input files & streams exist? */
846 for(i=0;i<nb_stream_maps;i++) {
847 int fi = stream_maps[i].file_index;
848 int si = stream_maps[i].stream_index;
850 if (fi < 0 || fi > nb_input_files - 1 ||
851 si < 0 || si > file_table[fi].nb_streams - 1) {
852 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
857 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
860 for(i=0;i<nb_ostreams;i++) {
861 ost = av_mallocz(sizeof(AVOutputStream));
868 for(k=0;k<nb_output_files;k++) {
869 os = output_files[k];
870 for(i=0;i<os->nb_streams;i++) {
872 ost = ost_table[n++];
875 ost->st = os->streams[i];
876 if (nb_stream_maps > 0) {
877 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
878 stream_maps[n-1].stream_index;
880 /* Sanity check that the stream types match */
881 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
882 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
883 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
884 ost->file_index, ost->index);
889 /* get corresponding input stream index : we select the first one with the right type */
891 for(j=0;j<nb_istreams;j++) {
894 ist->st->codec.codec_type == ost->st->codec.codec_type) {
895 ost->source_index = j;
901 /* try again and reuse existing stream */
902 for(j=0;j<nb_istreams;j++) {
904 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
905 ost->source_index = j;
910 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
911 ost->file_index, ost->index);
916 ist = ist_table[ost->source_index];
921 /* for each output stream, we compute the right encoding parameters */
922 for(i=0;i<nb_ostreams;i++) {
924 ist = ist_table[ost->source_index];
926 codec = &ost->st->codec;
927 icodec = &ist->st->codec;
929 if (ost->st->stream_copy) {
930 /* if stream_copy is selected, no need to decode or encode */
931 codec->codec_id = icodec->codec_id;
932 codec->codec_type = icodec->codec_type;
933 codec->codec_tag = icodec->codec_tag;
934 codec->bit_rate = icodec->bit_rate;
935 switch(codec->codec_type) {
936 case CODEC_TYPE_AUDIO:
937 codec->sample_rate = icodec->sample_rate;
938 codec->channels = icodec->channels;
940 case CODEC_TYPE_VIDEO:
941 codec->frame_rate = icodec->frame_rate;
942 codec->frame_rate_base = icodec->frame_rate_base;
943 codec->width = icodec->width;
944 codec->height = icodec->height;
950 switch(codec->codec_type) {
951 case CODEC_TYPE_AUDIO:
952 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
955 if (codec->channels == icodec->channels &&
956 codec->sample_rate == icodec->sample_rate) {
957 ost->audio_resample = 0;
959 if (codec->channels != icodec->channels &&
960 icodec->codec_id == CODEC_ID_AC3) {
961 /* Special case for 5:1 AC3 input */
962 /* and mono or stereo output */
963 /* Request specific number of channels */
964 icodec->channels = codec->channels;
965 if (codec->sample_rate == icodec->sample_rate)
966 ost->audio_resample = 0;
968 ost->audio_resample = 1;
969 ost->resample = audio_resample_init(codec->channels, icodec->channels,
971 icodec->sample_rate);
974 printf("Can't resample. Aborting.\n");
978 /* Request specific number of channels */
979 icodec->channels = codec->channels;
981 ost->audio_resample = 1;
982 ost->resample = audio_resample_init(codec->channels, icodec->channels,
984 icodec->sample_rate);
987 printf("Can't resample. Aborting.\n");
992 ist->decoding_needed = 1;
993 ost->encoding_needed = 1;
995 case CODEC_TYPE_VIDEO:
996 if (codec->width == icodec->width &&
997 codec->height == icodec->height &&
998 frame_topBand == 0 &&
999 frame_bottomBand == 0 &&
1000 frame_leftBand == 0 &&
1001 frame_rightBand == 0)
1003 ost->video_resample = 0;
1004 ost->video_crop = 0;
1005 } else if ((codec->width == icodec->width -
1006 (frame_leftBand + frame_rightBand)) &&
1007 (codec->height == icodec->height -
1008 (frame_topBand + frame_bottomBand)))
1010 ost->video_resample = 0;
1011 ost->video_crop = 1;
1012 ost->topBand = frame_topBand;
1013 ost->leftBand = frame_leftBand;
1016 ost->video_resample = 1;
1017 ost->video_crop = 0; // cropping is handled as part of resample
1018 buf = av_malloc((codec->width * codec->height * 3) / 2);
1021 ost->pict_tmp.data[0] = buf;
1022 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1023 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1024 ost->pict_tmp.linesize[0] = codec->width;
1025 ost->pict_tmp.linesize[1] = codec->width / 2;
1026 ost->pict_tmp.linesize[2] = codec->width / 2;
1028 ost->img_resample_ctx = img_resample_full_init(
1029 ost->st->codec.width, ost->st->codec.height,
1030 ist->st->codec.width, ist->st->codec.height,
1031 frame_topBand, frame_bottomBand,
1032 frame_leftBand, frame_rightBand);
1034 ost->encoding_needed = 1;
1035 ist->decoding_needed = 1;
1041 if (ost->encoding_needed &&
1042 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1043 char logfilename[1024];
1048 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1050 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1051 if (codec->flags & CODEC_FLAG_PASS1) {
1052 f = fopen(logfilename, "w");
1054 perror(logfilename);
1059 /* read the log file */
1060 f = fopen(logfilename, "r");
1062 perror(logfilename);
1065 fseek(f, 0, SEEK_END);
1067 fseek(f, 0, SEEK_SET);
1068 logbuffer = av_malloc(size + 1);
1070 fprintf(stderr, "Could not allocate log buffer\n");
1073 fread(logbuffer, 1, size, f);
1075 logbuffer[size] = '\0';
1076 codec->stats_in = logbuffer;
1082 /* dump the file output parameters - cannot be done before in case
1084 for(i=0;i<nb_output_files;i++) {
1085 dump_format(output_files[i], i, output_files[i]->filename, 1);
1088 /* dump the stream mapping */
1089 fprintf(stderr, "Stream mapping:\n");
1090 for(i=0;i<nb_ostreams;i++) {
1092 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1093 ist_table[ost->source_index]->file_index,
1094 ist_table[ost->source_index]->index,
1099 /* open each encoder */
1100 for(i=0;i<nb_ostreams;i++) {
1102 if (ost->encoding_needed) {
1104 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1106 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1107 ost->file_index, ost->index);
1110 if (avcodec_open(&ost->st->codec, codec) < 0) {
1111 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1112 ost->file_index, ost->index);
1118 /* open each decoder */
1119 for(i=0;i<nb_istreams;i++) {
1121 if (ist->decoding_needed) {
1123 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1125 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1126 ist->st->codec.codec_id, ist->file_index, ist->index);
1129 if (avcodec_open(&ist->st->codec, codec) < 0) {
1130 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1131 ist->file_index, ist->index);
1134 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1135 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1136 ist->frame_decoded = 1;
1141 for(i=0;i<nb_istreams;i++) {
1143 is = input_files[ist->file_index];
1145 if (ist->decoding_needed) {
1146 switch (ist->st->codec.codec_type) {
1147 case CODEC_TYPE_AUDIO:
1148 av_frac_init(&ist->next_pts,
1149 0, 0, (uint64_t)is->pts_num * ist->st->codec.sample_rate);
1151 case CODEC_TYPE_VIDEO:
1152 av_frac_init(&ist->next_pts,
1153 0, 0, (uint64_t)is->pts_num * ist->st->codec.frame_rate);
1161 /* compute buffer size max (should use a complete heuristic) */
1162 for(i=0;i<nb_input_files;i++) {
1163 file_table[i].buffer_size_max = 2048;
1166 /* open files and write file headers */
1167 for(i=0;i<nb_output_files;i++) {
1168 os = output_files[i];
1169 if (av_write_header(os) < 0) {
1170 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1176 #ifndef CONFIG_WIN32
1178 fprintf(stderr, "Press [q] to stop encoding\n");
1185 for(; received_sigterm == 0;) {
1186 int file_index, ist_index;
1191 int data_size, got_picture;
1193 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
1194 void *buffer_to_free;
1198 /* if 'q' pressed, exits */
1200 /* read_key() returns 0 on EOF */
1206 /* select the stream that we must read now by looking at the
1207 smallest output pts */
1210 for(i=0;i<nb_ostreams;i++) {
1213 os = output_files[ost->file_index];
1214 ist = ist_table[ost->source_index];
1215 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1216 if (!file_table[ist->file_index].eof_reached &&
1219 file_index = ist->file_index;
1222 /* if none, if is finished */
1223 if (file_index < 0) {
1227 /* finish if recording time exhausted */
1228 if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1231 /* read a packet from it and output it in the fifo */
1232 is = input_files[file_index];
1233 if (av_read_packet(is, &pkt) < 0) {
1234 file_table[file_index].eof_reached = 1;
1238 stream_no_data = is;
1243 printf("stream #%d, size=%d:\n", pkt.stream_index, pkt.size);
1244 av_hex_dump(pkt.data, pkt.size);
1246 /* the following test is needed in case new streams appear
1247 dynamically in stream : we ignore them */
1248 if (pkt.stream_index >= file_table[file_index].nb_streams)
1249 goto discard_packet;
1250 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1251 ist = ist_table[ist_index];
1253 goto discard_packet;
1255 // printf("read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1260 /* decode the packet if needed */
1261 data_buf = NULL; /* fail safe */
1263 if (ist->decoding_needed) {
1264 /* NOTE1: we only take into account the PTS if a new
1265 frame has begun (MPEG semantics) */
1266 /* NOTE2: even if the fraction is not initialized,
1267 av_frac_set can be used to set the integer part */
1268 if (ist->frame_decoded) {
1269 /* If pts is unavailable -- we have to use synthetic one */
1270 if( pkt.pts != AV_NOPTS_VALUE )
1272 ist->pts = ist->next_pts.val = pkt.pts;
1276 ist->pts = ist->next_pts.val;
1278 ist->frame_decoded = 0;
1281 switch(ist->st->codec.codec_type) {
1282 case CODEC_TYPE_AUDIO:
1283 /* XXX: could avoid copy if PCM 16 bits with same
1284 endianness as CPU */
1285 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1289 /* Some bug in mpeg audio decoder gives */
1290 /* data_size < 0, it seems they are overflows */
1291 if (data_size <= 0) {
1292 /* no audio frame */
1297 data_buf = (uint8_t *)samples;
1298 av_frac_add(&ist->next_pts,
1299 (uint64_t)is->pts_den * data_size / (2 * ist->st->codec.channels));
1301 case CODEC_TYPE_VIDEO:
1303 AVFrame big_picture;
1305 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1306 ret = avcodec_decode_video(&ist->st->codec,
1307 &big_picture, &got_picture, ptr, len);
1308 picture= *(AVPicture*)&big_picture;
1309 ist->st->quality= big_picture.quality;
1312 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1313 ist->file_index, ist->index);
1314 av_free_packet(&pkt);
1318 /* no picture yet */
1323 av_frac_add(&ist->next_pts,
1324 (uint64_t)is->pts_den * ist->st->codec.frame_rate_base);
1339 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1340 pre_process_video_frame(ist, &picture, &buffer_to_free);
1343 ist->frame_decoded = 1;
1345 /* frame rate emulation */
1346 if (ist->st->codec.rate_emu) {
1347 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1348 int64_t now = av_gettime() - ist->start;
1356 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1357 is the one of the next displayed one */
1358 /* XXX: add mpeg4 too ? */
1359 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1360 if (ist->st->codec.pict_type != B_TYPE) {
1362 tmp = ist->last_ip_pts;
1363 ist->last_ip_pts = ist->frac_pts.val;
1364 ist->frac_pts.val = tmp;
1368 /* transcode raw format, encode packets and output them */
1370 for(i=0;i<nb_ostreams;i++) {
1374 if (ost->source_index == ist_index) {
1375 os = output_files[ost->file_index];
1378 printf("%d: got pts=%f %f\n", i, pkt.pts / 90000.0,
1379 (ist->pts - ost->st->pts.val) / 90000.0);
1381 /* set the input output pts pairs */
1382 ost->sync_ipts = (double)ist->pts * is->pts_num /
1384 /* XXX: take into account the various fifos,
1385 in particular for audio */
1386 ost->sync_opts = ost->st->pts.val;
1387 //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);
1389 if (ost->encoding_needed) {
1390 switch(ost->st->codec.codec_type) {
1391 case CODEC_TYPE_AUDIO:
1392 do_audio_out(os, ost, ist, data_buf, data_size);
1394 case CODEC_TYPE_VIDEO:
1395 /* find an audio stream for synchro */
1398 AVOutputStream *audio_sync, *ost1;
1400 for(i=0;i<nb_ostreams;i++) {
1401 ost1 = ost_table[i];
1402 if (ost1->file_index == ost->file_index &&
1403 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1409 do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
1410 if (do_vstats && frame_size)
1411 do_video_stats(os, ost, frame_size);
1420 /* no reencoding needed : output the packet directly */
1421 /* force the input stream PTS */
1423 memset(&avframe, 0, sizeof(AVFrame));
1424 ost->st->codec.coded_frame= &avframe;
1425 avframe.key_frame = pkt.flags & PKT_FLAG_KEY;
1427 av_write_frame(os, ost->index, data_buf, data_size);
1428 ost->st->codec.frame_number++;
1429 ost->frame_number++;
1433 av_free(buffer_to_free);
1436 av_free_packet(&pkt);
1438 /* dump report by using the output first video and audio streams */
1439 print_report(output_files, ost_table, nb_ostreams, 0);
1443 /* dump report by using the first video and audio streams */
1444 print_report(output_files, ost_table, nb_ostreams, 1);
1446 /* close each encoder */
1447 for(i=0;i<nb_ostreams;i++) {
1449 if (ost->encoding_needed) {
1450 av_freep(&ost->st->codec.stats_in);
1451 avcodec_close(&ost->st->codec);
1455 /* close each decoder */
1456 for(i=0;i<nb_istreams;i++) {
1458 if (ist->decoding_needed) {
1459 avcodec_close(&ist->st->codec);
1464 /* write the trailer if needed and close file */
1465 for(i=0;i<nb_output_files;i++) {
1466 os = output_files[i];
1467 av_write_trailer(os);
1473 av_free(file_table);
1476 for(i=0;i<nb_istreams;i++) {
1483 for(i=0;i<nb_ostreams;i++) {
1487 fclose(ost->logfile);
1488 ost->logfile = NULL;
1490 fifo_free(&ost->fifo); /* works even if fifo is not
1491 initialized but set to zero */
1492 av_free(ost->pict_tmp.data[0]);
1493 if (ost->video_resample)
1494 img_resample_close(ost->img_resample_ctx);
1495 if (ost->audio_resample)
1496 audio_resample_close(ost->resample);
1509 int file_read(const char *filename)
1512 unsigned char buffer[1024];
1515 if (url_open(&h, filename, O_RDONLY) < 0) {
1516 printf("could not open '%s'\n", filename);
1520 len = url_read(h, buffer, sizeof(buffer));
1523 for(i=0;i<len;i++) putchar(buffer[i]);
1530 static void opt_image_format(const char *arg)
1534 for(f = first_image_format; f != NULL; f = f->next) {
1535 if (!strcmp(arg, f->name))
1539 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1545 static void opt_format(const char *arg)
1547 /* compatibility stuff for pgmyuv */
1548 if (!strcmp(arg, "pgmyuv")) {
1549 opt_image_format(arg);
1553 file_iformat = av_find_input_format(arg);
1554 file_oformat = guess_format(arg, NULL, NULL);
1555 if (!file_iformat && !file_oformat) {
1556 fprintf(stderr, "Unknown input or output format: %s\n", arg);
1561 static void opt_video_bitrate(const char *arg)
1563 video_bit_rate = atoi(arg) * 1000;
1566 static void opt_video_bitrate_tolerance(const char *arg)
1568 video_bit_rate_tolerance = atoi(arg) * 1000;
1571 static void opt_video_bitrate_max(const char *arg)
1573 video_rc_max_rate = atoi(arg) * 1000;
1576 static void opt_video_bitrate_min(const char *arg)
1578 video_rc_min_rate = atoi(arg) * 1000;
1581 static void opt_video_buffer_size(const char *arg)
1583 video_rc_buffer_size = atoi(arg) * 1000;
1586 static void opt_video_rc_eq(char *arg)
1591 static void opt_video_rc_override_string(char *arg)
1593 video_rc_override_string = arg;
1597 static void opt_workaround_bugs(const char *arg)
1599 workaround_bugs = atoi(arg);
1602 static void opt_dct_algo(const char *arg)
1604 dct_algo = atoi(arg);
1607 static void opt_idct_algo(const char *arg)
1609 idct_algo = atoi(arg);
1613 static void opt_error_resilience(const char *arg)
1615 error_resilience = atoi(arg);
1618 static void opt_error_concealment(const char *arg)
1620 error_concealment = atoi(arg);
1623 static void opt_debug(const char *arg)
1628 static void opt_verbose(const char *arg)
1630 verbose = atoi(arg);
1633 static void opt_frame_rate(const char *arg)
1635 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
1636 fprintf(stderr, "Incorrect frame rate\n");
1641 static void opt_frame_crop_top(const char *arg)
1643 frame_topBand = atoi(arg);
1644 if (frame_topBand < 0) {
1645 fprintf(stderr, "Incorrect top crop size\n");
1648 if ((frame_topBand % 2) != 0) {
1649 fprintf(stderr, "Top crop size must be a multiple of 2\n");
1652 if ((frame_topBand) >= frame_height){
1653 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1656 frame_height -= frame_topBand;
1659 static void opt_frame_crop_bottom(const char *arg)
1661 frame_bottomBand = atoi(arg);
1662 if (frame_bottomBand < 0) {
1663 fprintf(stderr, "Incorrect bottom crop size\n");
1666 if ((frame_bottomBand % 2) != 0) {
1667 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1670 if ((frame_bottomBand) >= frame_height){
1671 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1674 frame_height -= frame_bottomBand;
1677 static void opt_frame_crop_left(const char *arg)
1679 frame_leftBand = atoi(arg);
1680 if (frame_leftBand < 0) {
1681 fprintf(stderr, "Incorrect left crop size\n");
1684 if ((frame_leftBand % 2) != 0) {
1685 fprintf(stderr, "Left crop size must be a multiple of 2\n");
1688 if ((frame_leftBand) >= frame_width){
1689 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1692 frame_width -= frame_leftBand;
1695 static void opt_frame_crop_right(const char *arg)
1697 frame_rightBand = atoi(arg);
1698 if (frame_rightBand < 0) {
1699 fprintf(stderr, "Incorrect right crop size\n");
1702 if ((frame_rightBand % 2) != 0) {
1703 fprintf(stderr, "Right crop size must be a multiple of 2\n");
1706 if ((frame_rightBand) >= frame_width){
1707 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1710 frame_width -= frame_rightBand;
1713 static void opt_frame_size(const char *arg)
1715 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
1716 fprintf(stderr, "Incorrect frame size\n");
1719 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1720 fprintf(stderr, "Frame size must be a multiple of 2\n");
1725 static void opt_frame_pix_fmt(const char *arg)
1727 frame_pix_fmt = avcodec_get_pix_fmt(arg);
1730 static void opt_frame_aspect_ratio(const char *arg)
1736 p = strchr(arg, ':');
1738 x = strtol(arg, (char **)&arg, 10);
1740 y = strtol(arg+1, (char **)&arg, 10);
1742 ar = (double)x / (double)y;
1744 ar = strtod(arg, (char **)&arg);
1747 fprintf(stderr, "Incorrect aspect ratio specification.\n");
1750 frame_aspect_ratio = ar;
1753 static void opt_gop_size(const char *arg)
1755 gop_size = atoi(arg);
1758 static void opt_b_frames(const char *arg)
1760 b_frames = atoi(arg);
1761 if (b_frames > FF_MAX_B_FRAMES) {
1762 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1764 } else if (b_frames < 1) {
1765 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1770 static void opt_mb_decision(const char *arg)
1772 mb_decision = atoi(arg);
1775 static void opt_qscale(const char *arg)
1777 video_qscale = atoi(arg);
1778 if (video_qscale < 0 ||
1779 video_qscale > 31) {
1780 fprintf(stderr, "qscale must be >= 1 and <= 31\n");
1785 static void opt_qmin(const char *arg)
1787 video_qmin = atoi(arg);
1788 if (video_qmin < 0 ||
1790 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1795 static void opt_qmax(const char *arg)
1797 video_qmax = atoi(arg);
1798 if (video_qmax < 0 ||
1800 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1805 static void opt_mb_qmin(const char *arg)
1807 video_mb_qmin = atoi(arg);
1808 if (video_mb_qmin < 0 ||
1809 video_mb_qmin > 31) {
1810 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1815 static void opt_mb_qmax(const char *arg)
1817 video_mb_qmax = atoi(arg);
1818 if (video_mb_qmax < 0 ||
1819 video_mb_qmax > 31) {
1820 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1825 static void opt_qdiff(const char *arg)
1827 video_qdiff = atoi(arg);
1828 if (video_qdiff < 0 ||
1830 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1835 static void opt_qblur(const char *arg)
1837 video_qblur = atof(arg);
1840 static void opt_qcomp(const char *arg)
1842 video_qcomp = atof(arg);
1845 static void opt_rc_initial_cplx(const char *arg)
1847 video_rc_initial_cplx = atof(arg);
1849 static void opt_b_qfactor(const char *arg)
1851 video_b_qfactor = atof(arg);
1853 static void opt_i_qfactor(const char *arg)
1855 video_i_qfactor = atof(arg);
1857 static void opt_b_qoffset(const char *arg)
1859 video_b_qoffset = atof(arg);
1861 static void opt_i_qoffset(const char *arg)
1863 video_i_qoffset = atof(arg);
1866 static void opt_packet_size(const char *arg)
1868 packet_size= atoi(arg);
1871 static void opt_strict(const char *arg)
1876 static void opt_audio_bitrate(const char *arg)
1878 audio_bit_rate = atoi(arg) * 1000;
1881 static void opt_audio_rate(const char *arg)
1883 audio_sample_rate = atoi(arg);
1886 static void opt_audio_channels(const char *arg)
1888 audio_channels = atoi(arg);
1891 static void opt_video_device(const char *arg)
1893 video_device = av_strdup(arg);
1896 static void opt_video_channel(const char *arg)
1898 video_channel = strtol(arg, NULL, 0);
1901 static void opt_video_standard(const char *arg)
1903 video_standard = av_strdup(arg);
1906 static void opt_audio_device(const char *arg)
1908 audio_device = av_strdup(arg);
1911 static void opt_dv1394(const char *arg)
1913 video_grab_format = "dv1394";
1914 audio_grab_format = NULL;
1917 static void opt_audio_codec(const char *arg)
1921 if (!strcmp(arg, "copy")) {
1922 audio_stream_copy = 1;
1926 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
1931 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
1934 audio_codec_id = p->id;
1939 static void add_frame_hooker(const char *arg)
1944 char *args = av_strdup(arg);
1948 argv[0] = strtok(args, " ");
1949 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
1952 i = frame_hook_add(argc, argv);
1955 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
1960 const char *motion_str[] = {
1970 static void opt_motion_estimation(const char *arg)
1976 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
1979 if (!strcmp(*p, arg))
1983 me_method = (p - motion_str) + 1;
1986 static void opt_video_codec(const char *arg)
1990 if (!strcmp(arg, "copy")) {
1991 video_stream_copy = 1;
1995 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2000 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2003 video_codec_id = p->id;
2008 static void opt_map(const char *arg)
2014 m = &stream_maps[nb_stream_maps++];
2016 m->file_index = strtol(arg, (char **)&p, 0);
2020 m->stream_index = strtol(p, (char **)&p, 0);
2023 static void opt_recording_time(const char *arg)
2025 recording_time = parse_date(arg, 1);
2028 static void opt_input_file(const char *filename)
2030 AVFormatContext *ic;
2031 AVFormatParameters params, *ap = ¶ms;
2032 int err, i, ret, rfps, rfps_base;
2034 if (!strcmp(filename, "-"))
2037 using_stdin |= !strcmp(filename, "pipe:" ) ||
2038 !strcmp( filename, "/dev/stdin" );
2040 /* get default parameters from command line */
2041 memset(ap, 0, sizeof(*ap));
2042 ap->sample_rate = audio_sample_rate;
2043 ap->channels = audio_channels;
2044 ap->frame_rate = frame_rate;
2045 ap->frame_rate_base = frame_rate_base;
2046 ap->width = frame_width;
2047 ap->height = frame_height;
2048 ap->image_format = image_format;
2049 ap->pix_fmt = frame_pix_fmt;
2051 /* open the input file with generic libav function */
2052 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2054 print_error(filename, err);
2058 /* If not enough info to get the stream parameters, we decode the
2059 first frames to get it. (used in mpeg case for example) */
2060 ret = av_find_stream_info(ic);
2062 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2066 /* update the current parameters so that they match the one of the input stream */
2067 for(i=0;i<ic->nb_streams;i++) {
2068 AVCodecContext *enc = &ic->streams[i]->codec;
2069 switch(enc->codec_type) {
2070 case CODEC_TYPE_AUDIO:
2071 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2072 audio_channels = enc->channels;
2073 audio_sample_rate = enc->sample_rate;
2075 case CODEC_TYPE_VIDEO:
2076 frame_height = enc->height;
2077 frame_width = enc->width;
2078 frame_aspect_ratio = enc->aspect_ratio;
2079 frame_pix_fmt = enc->pix_fmt;
2080 rfps = ic->streams[i]->r_frame_rate;
2081 rfps_base = ic->streams[i]->r_frame_rate_base;
2082 enc->workaround_bugs = workaround_bugs;
2083 enc->error_resilience = error_resilience;
2084 enc->error_concealment = error_concealment;
2085 enc->idct_algo= idct_algo;
2087 /* if(enc->codec->capabilities & CODEC_CAP_TRUNCATED)
2088 enc->flags|= CODEC_FLAG_TRUNCATED; */
2089 if(/*enc->codec_id==CODEC_ID_MPEG4 || */enc->codec_id==CODEC_ID_MPEG1VIDEO || enc->codec_id==CODEC_ID_H264)
2090 enc->flags|= CODEC_FLAG_TRUNCATED;
2093 enc->flags|= CODEC_FLAG_BITEXACT;
2095 assert(enc->frame_rate_base == rfps_base); // should be true for now
2096 if (enc->frame_rate != rfps) {
2097 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2098 i, (float)enc->frame_rate / enc->frame_rate_base,
2099 (float)rfps / rfps_base);
2101 /* update the current frame rate to match the stream frame rate */
2103 frame_rate_base = rfps_base;
2105 enc->rate_emu = rate_emu;
2112 input_files[nb_input_files] = ic;
2113 /* dump the file content */
2114 dump_format(ic, nb_input_files, filename, 0);
2116 file_iformat = NULL;
2117 file_oformat = NULL;
2118 image_format = NULL;
2123 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2125 int has_video, has_audio, i, j;
2126 AVFormatContext *ic;
2130 for(j=0;j<nb_input_files;j++) {
2131 ic = input_files[j];
2132 for(i=0;i<ic->nb_streams;i++) {
2133 AVCodecContext *enc = &ic->streams[i]->codec;
2134 switch(enc->codec_type) {
2135 case CODEC_TYPE_AUDIO:
2138 case CODEC_TYPE_VIDEO:
2146 *has_video_ptr = has_video;
2147 *has_audio_ptr = has_audio;
2150 static void opt_output_file(const char *filename)
2153 AVFormatContext *oc;
2154 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2156 AVFormatParameters params, *ap = ¶ms;
2158 if (!strcmp(filename, "-"))
2161 oc = av_mallocz(sizeof(AVFormatContext));
2163 if (!file_oformat) {
2164 file_oformat = guess_format(NULL, filename, NULL);
2165 if (!file_oformat) {
2166 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2172 oc->oformat = file_oformat;
2174 if (!strcmp(file_oformat->name, "ffm") &&
2175 strstart(filename, "http:", NULL)) {
2176 /* special case for files sent to ffserver: we get the stream
2177 parameters from ffserver */
2178 if (read_ffserver_streams(oc, filename) < 0) {
2179 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2183 use_video = file_oformat->video_codec != CODEC_ID_NONE;
2184 use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2186 /* disable if no corresponding type found and at least one
2188 if (nb_input_files > 0) {
2189 check_audio_video_inputs(&input_has_video, &input_has_audio);
2190 if (!input_has_video)
2192 if (!input_has_audio)
2196 /* manual disable */
2197 if (audio_disable) {
2200 if (video_disable) {
2206 AVCodecContext *video_enc;
2208 st = av_mallocz(sizeof(AVStream));
2210 fprintf(stderr, "Could not alloc stream\n");
2213 avcodec_get_context_defaults(&st->codec);
2215 video_enc = &st->codec;
2217 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2218 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2219 if (video_stream_copy) {
2220 st->stream_copy = 1;
2221 video_enc->codec_type = CODEC_TYPE_VIDEO;
2226 codec_id = file_oformat->video_codec;
2227 if (video_codec_id != CODEC_ID_NONE)
2228 codec_id = video_codec_id;
2230 video_enc->codec_id = codec_id;
2232 video_enc->bit_rate = video_bit_rate;
2233 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2234 video_enc->frame_rate = frame_rate;
2235 video_enc->frame_rate_base = frame_rate_base;
2237 video_enc->width = frame_width;
2238 video_enc->height = frame_height;
2239 video_enc->aspect_ratio = frame_aspect_ratio;
2240 video_enc->pix_fmt = frame_pix_fmt;
2243 video_enc->gop_size = gop_size;
2245 video_enc->gop_size = 0;
2246 if (video_qscale || same_quality) {
2247 video_enc->flags |= CODEC_FLAG_QSCALE;
2248 st->quality = video_qscale;
2252 video_enc->flags |= CODEC_FLAG_BITEXACT;
2254 video_enc->mb_decision = mb_decision;
2257 video_enc->flags |= CODEC_FLAG_H263P_UMV;
2260 video_enc->flags |= CODEC_FLAG_H263P_AIC;
2263 video_enc->mb_decision = FF_MB_DECISION_BITS; //FIXME remove
2264 video_enc->flags |= CODEC_FLAG_4MV;
2268 video_enc->flags |= CODEC_FLAG_PART;
2272 video_enc->max_b_frames = b_frames;
2273 video_enc->b_frame_strategy = 0;
2274 video_enc->b_quant_factor = 2.0;
2277 video_enc->qmin = video_qmin;
2278 video_enc->qmax = video_qmax;
2279 video_enc->mb_qmin = video_mb_qmin;
2280 video_enc->mb_qmax = video_mb_qmax;
2281 video_enc->max_qdiff = video_qdiff;
2282 video_enc->qblur = video_qblur;
2283 video_enc->qcompress = video_qcomp;
2284 video_enc->rc_eq = video_rc_eq;
2285 video_enc->debug= debug;
2287 p= video_rc_override_string;
2290 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2292 fprintf(stderr, "error parsing rc_override\n");
2295 video_enc->rc_override=
2296 av_realloc(video_enc->rc_override,
2297 sizeof(RcOverride)*(i+1));
2298 video_enc->rc_override[i].start_frame= start;
2299 video_enc->rc_override[i].end_frame = end;
2301 video_enc->rc_override[i].qscale= q;
2302 video_enc->rc_override[i].quality_factor= 1.0;
2305 video_enc->rc_override[i].qscale= 0;
2306 video_enc->rc_override[i].quality_factor= -q/100.0;
2311 video_enc->rc_override_count=i;
2313 video_enc->rc_max_rate = video_rc_max_rate;
2314 video_enc->rc_min_rate = video_rc_min_rate;
2315 video_enc->rc_buffer_size = video_rc_buffer_size;
2316 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2317 video_enc->rc_initial_cplx= video_rc_initial_cplx;
2318 video_enc->i_quant_factor = video_i_qfactor;
2319 video_enc->b_quant_factor = video_b_qfactor;
2320 video_enc->i_quant_offset = video_i_qoffset;
2321 video_enc->b_quant_offset = video_b_qoffset;
2322 video_enc->dct_algo = dct_algo;
2323 video_enc->idct_algo = idct_algo;
2324 video_enc->strict_std_compliance = strict;
2326 video_enc->rtp_mode= 1;
2327 video_enc->rtp_payload_size= packet_size;
2331 video_enc->flags|= CODEC_FLAG_PSNR;
2333 video_enc->me_method = me_method;
2338 video_enc->flags |= CODEC_FLAG_PASS1;
2340 video_enc->flags |= CODEC_FLAG_PASS2;
2344 oc->streams[nb_streams] = st;
2349 AVCodecContext *audio_enc;
2351 st = av_mallocz(sizeof(AVStream));
2353 fprintf(stderr, "Could not alloc stream\n");
2356 avcodec_get_context_defaults(&st->codec);
2358 audio_enc = &st->codec;
2359 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2360 if (audio_stream_copy) {
2361 st->stream_copy = 1;
2363 codec_id = file_oformat->audio_codec;
2364 if (audio_codec_id != CODEC_ID_NONE)
2365 codec_id = audio_codec_id;
2366 audio_enc->codec_id = codec_id;
2368 audio_enc->bit_rate = audio_bit_rate;
2369 audio_enc->sample_rate = audio_sample_rate;
2370 /* For audio codecs other than AC3 we limit */
2371 /* the number of coded channels to stereo */
2372 if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2373 audio_enc->channels = 2;
2375 audio_enc->channels = audio_channels;
2377 oc->streams[nb_streams] = st;
2381 oc->nb_streams = nb_streams;
2384 fprintf(stderr, "No audio or video streams available\n");
2389 pstrcpy(oc->title, sizeof(oc->title), str_title);
2391 pstrcpy(oc->author, sizeof(oc->author), str_author);
2393 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2395 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2398 output_files[nb_output_files++] = oc;
2400 strcpy(oc->filename, filename);
2402 /* check filename in case of an image number is expected */
2403 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2404 if (filename_number_test(oc->filename) < 0) {
2405 print_error(oc->filename, AVERROR_NUMEXPECTED);
2410 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2411 /* test if it already exists to avoid loosing precious files */
2412 if (!file_overwrite &&
2413 (strchr(filename, ':') == NULL ||
2414 strstart(filename, "file:", NULL))) {
2415 if (url_exist(filename)) {
2418 if ( !using_stdin ) {
2419 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2422 if (toupper(c) != 'Y') {
2423 fprintf(stderr, "Not overwriting - exiting\n");
2428 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2435 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2436 fprintf(stderr, "Could not open '%s'\n", filename);
2441 memset(ap, 0, sizeof(*ap));
2442 ap->image_format = image_format;
2443 if (av_set_parameters(oc, ap) < 0) {
2444 fprintf(stderr, "%s: Invalid encoding parameters\n",
2449 /* reset some options */
2450 file_oformat = NULL;
2451 file_iformat = NULL;
2452 image_format = NULL;
2455 audio_codec_id = CODEC_ID_NONE;
2456 video_codec_id = CODEC_ID_NONE;
2457 audio_stream_copy = 0;
2458 video_stream_copy = 0;
2461 /* prepare dummy protocols for grab */
2462 static void prepare_grab(void)
2464 int has_video, has_audio, i, j;
2465 AVFormatContext *oc;
2466 AVFormatContext *ic;
2467 AVFormatParameters vp1, *vp = &vp1;
2468 AVFormatParameters ap1, *ap = &ap1;
2470 /* see if audio/video inputs are needed */
2473 memset(ap, 0, sizeof(*ap));
2474 memset(vp, 0, sizeof(*vp));
2475 for(j=0;j<nb_output_files;j++) {
2476 oc = output_files[j];
2477 for(i=0;i<oc->nb_streams;i++) {
2478 AVCodecContext *enc = &oc->streams[i]->codec;
2479 switch(enc->codec_type) {
2480 case CODEC_TYPE_AUDIO:
2481 if (enc->sample_rate > ap->sample_rate)
2482 ap->sample_rate = enc->sample_rate;
2483 if (enc->channels > ap->channels)
2484 ap->channels = enc->channels;
2487 case CODEC_TYPE_VIDEO:
2488 if (enc->width > vp->width)
2489 vp->width = enc->width;
2490 if (enc->height > vp->height)
2491 vp->height = enc->height;
2493 assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
2494 if (enc->frame_rate > vp->frame_rate){
2495 vp->frame_rate = enc->frame_rate;
2496 vp->frame_rate_base = enc->frame_rate_base;
2506 if (has_video == 0 && has_audio == 0) {
2507 fprintf(stderr, "Output file must have at least one audio or video stream\n");
2512 AVInputFormat *fmt1;
2513 fmt1 = av_find_input_format(video_grab_format);
2514 vp->device = video_device;
2515 vp->channel = video_channel;
2516 vp->standard = video_standard;
2517 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2518 fprintf(stderr, "Could not find video grab device\n");
2521 /* by now video grab has one stream */
2522 ic->streams[0]->r_frame_rate = vp->frame_rate;
2523 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
2524 input_files[nb_input_files] = ic;
2525 dump_format(ic, nb_input_files, "", 0);
2528 if (has_audio && audio_grab_format) {
2529 AVInputFormat *fmt1;
2530 fmt1 = av_find_input_format(audio_grab_format);
2531 ap->device = audio_device;
2532 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2533 fprintf(stderr, "Could not find audio grab device\n");
2536 input_files[nb_input_files] = ic;
2537 dump_format(ic, nb_input_files, "", 0);
2542 /* same option as mencoder */
2543 static void opt_pass(const char *pass_str)
2546 pass = atoi(pass_str);
2547 if (pass != 1 && pass != 2) {
2548 fprintf(stderr, "pass number can be only 1 or 2\n");
2554 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2555 static int64_t getutime(void)
2557 return av_gettime();
2560 static int64_t getutime(void)
2562 struct rusage rusage;
2564 getrusage(RUSAGE_SELF, &rusage);
2565 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2569 extern int ffm_nopts;
2571 static void opt_bitexact(void)
2574 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2578 static void show_formats(void)
2580 AVInputFormat *ifmt;
2581 AVOutputFormat *ofmt;
2582 AVImageFormat *image_fmt;
2587 printf("Output audio/video file formats:");
2588 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2589 printf(" %s", ofmt->name);
2593 printf("Input audio/video file formats:");
2594 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2595 printf(" %s", ifmt->name);
2599 printf("Output image formats:");
2600 for(image_fmt = first_image_format; image_fmt != NULL;
2601 image_fmt = image_fmt->next) {
2602 if (image_fmt->img_write)
2603 printf(" %s", image_fmt->name);
2607 printf("Input image formats:");
2608 for(image_fmt = first_image_format; image_fmt != NULL;
2609 image_fmt = image_fmt->next) {
2610 if (image_fmt->img_read)
2611 printf(" %s", image_fmt->name);
2615 printf("Codecs:\n");
2616 printf(" Encoders:");
2617 for(p = first_avcodec; p != NULL; p = p->next) {
2619 printf(" %s", p->name);
2623 printf(" Decoders:");
2624 for(p = first_avcodec; p != NULL; p = p->next) {
2626 printf(" %s", p->name);
2630 printf("Supported file protocols:");
2631 for(up = first_protocol; up != NULL; up = up->next)
2632 printf(" %s:", up->name);
2635 printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2636 printf("Motion estimation methods:");
2640 if ((pp - motion_str + 1) == ME_ZERO)
2641 printf("(fastest)");
2642 else if ((pp - motion_str + 1) == ME_FULL)
2643 printf("(slowest)");
2644 else if ((pp - motion_str + 1) == ME_EPZS)
2645 printf("(default)");
2652 const OptionDef options[] = {
2654 { "L", 0, {(void*)show_license}, "show license" },
2655 { "h", 0, {(void*)show_help}, "show help" },
2656 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2657 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2658 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2659 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2660 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2661 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2662 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2663 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2664 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2665 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2666 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2667 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2668 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
2669 "add timings for benchmarking" },
2670 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
2671 "dump each input packet" },
2672 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
2673 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
2674 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
2675 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
2678 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2679 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2680 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2681 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2682 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2683 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2684 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2685 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2686 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2687 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2688 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
2689 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
2690 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2691 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2692 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2693 { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2694 { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2695 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2696 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2697 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2698 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2699 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2700 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2701 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2702 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2703 // { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2704 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
2705 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
2706 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2707 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2708 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2709 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2710 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
2711 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
2713 { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" },
2714 { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" },
2715 { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" },
2716 { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" },
2717 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
2718 { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
2719 { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
2720 { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (only MPEG-4)" },
2721 { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (only MPEG-4)" },
2722 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
2723 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
2724 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" },
2725 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
2726 "use same video quality as source (implies VBR)" },
2727 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
2728 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
2729 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
2730 "deinterlace pictures" },
2731 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
2732 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
2733 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
2734 { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
2735 { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
2738 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
2739 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
2740 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
2741 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
2742 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
2745 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
2746 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
2747 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
2748 { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
2749 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
2753 static void show_banner(void)
2755 printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
2758 static void show_license(void)
2762 "This library is free software; you can redistribute it and/or\n"
2763 "modify it under the terms of the GNU Lesser General Public\n"
2764 "License as published by the Free Software Foundation; either\n"
2765 "version 2 of the License, or (at your option) any later version.\n"
2767 "This library is distributed in the hope that it will be useful,\n"
2768 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
2769 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
2770 "Lesser General Public License for more details.\n"
2772 "You should have received a copy of the GNU Lesser General Public\n"
2773 "License along with this library; if not, write to the Free Software\n"
2774 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
2779 static void show_help(void)
2782 printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
2783 "Hyper fast Audio and Video encoder\n");
2785 show_help_options(options, "Main options:\n",
2786 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
2787 show_help_options(options, "\nVideo options:\n",
2788 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2790 show_help_options(options, "\nAdvanced Video options:\n",
2791 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2792 OPT_VIDEO | OPT_EXPERT);
2793 show_help_options(options, "\nAudio options:\n",
2794 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2796 show_help_options(options, "\nAdvanced Audio options:\n",
2797 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2798 OPT_AUDIO | OPT_EXPERT);
2799 show_help_options(options, "\nAudio/Video grab options:\n",
2802 show_help_options(options, "\nAdvanced options:\n",
2803 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
2808 void parse_arg_file(const char *filename)
2810 opt_output_file(filename);
2813 int main(int argc, char **argv)
2824 parse_options(argc, argv, options);
2826 /* file converter / grab */
2827 if (nb_output_files <= 0) {
2828 fprintf(stderr, "Must supply at least one output file\n");
2832 if (nb_input_files == 0) {
2837 av_encode(output_files, nb_output_files, input_files, nb_input_files,
2838 stream_maps, nb_stream_maps);
2839 ti = getutime() - ti;
2841 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
2845 for(i=0;i<nb_output_files;i++) {
2846 /* maybe av_close_output_file ??? */
2847 AVFormatContext *s = output_files[i];
2849 if (!(s->oformat->flags & AVFMT_NOFILE))
2851 for(j=0;j<s->nb_streams;j++)
2852 av_free(s->streams[j]);
2855 for(i=0;i<nb_input_files;i++)
2856 av_close_input_file(input_files[i]);
2861 #ifdef POWERPC_PERFORMANCE_REPORT
2862 extern void powerpc_display_perf_report(void);
2863 powerpc_display_perf_report();
2864 #endif /* POWERPC_PERFORMANCE_REPORT */
2866 #ifndef CONFIG_WIN32
2867 if (received_sigterm) {
2869 "Received signal %d: terminating.\n",
2870 (int) received_sigterm);
2874 exit(0); /* not all OS-es handle main() return value */