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 me_method = ME_EPZS;
109 static int video_disable = 0;
110 static int video_codec_id = CODEC_ID_NONE;
111 static int same_quality = 0;
112 static int b_frames = 0;
113 static int mb_decision = FF_MB_DECISION_SIMPLE;
114 static int mb_cmp = FF_CMP_SAD;
115 static int sub_cmp = FF_CMP_SAD;
116 static int cmp = FF_CMP_SAD;
117 static int use_4mv = 0;
118 static int use_obmc = 0;
119 static int use_aic = 0;
120 static int use_aiv = 0;
121 static int use_umv = 0;
122 static int use_alt_scan = 0;
123 static int use_trell = 0;
124 static int do_deinterlace = 0;
125 static int do_interlace_dct = 0;
126 static int do_interlace_me = 0;
127 static int workaround_bugs = FF_BUG_AUTODETECT;
128 static int error_resilience = 2;
129 static int error_concealment = 3;
130 static int dct_algo = 0;
131 static int idct_algo = 0;
132 static int use_part = 0;
133 static int packet_size = 0;
134 static int error_rate = 0;
135 static int strict = 0;
136 static int top_field_first = -1;
137 static int noise_reduction = 0;
138 static int debug = 0;
139 static int debug_mv = 0;
140 extern int loop_input; /* currently a hack */
142 static int gop_size = 12;
143 static int intra_only = 0;
144 static int audio_sample_rate = 44100;
145 static int audio_bit_rate = 64000;
146 static int audio_disable = 0;
147 static int audio_channels = 1;
148 static int audio_codec_id = CODEC_ID_NONE;
150 static int64_t recording_time = 0;
151 static int64_t start_time = 0;
152 static int file_overwrite = 0;
153 static char *str_title = NULL;
154 static char *str_author = NULL;
155 static char *str_copyright = NULL;
156 static char *str_comment = NULL;
157 static int do_benchmark = 0;
158 static int do_hex_dump = 0;
159 static int do_pkt_dump = 0;
160 static int do_psnr = 0;
161 static int do_vstats = 0;
162 static int do_pass = 0;
163 static int bitexact = 0;
164 static char *pass_logfilename = NULL;
165 static int audio_stream_copy = 0;
166 static int video_stream_copy = 0;
168 static int rate_emu = 0;
170 static char *video_grab_format = "video4linux";
171 static char *video_device = NULL;
172 static int video_channel = 0;
173 static char *video_standard = "ntsc";
175 static char *audio_grab_format = "audio_device";
176 static char *audio_device = NULL;
178 static int using_stdin = 0;
179 static int using_vhook = 0;
180 static int verbose = 1;
182 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
184 typedef struct AVOutputStream {
185 int file_index; /* file index */
186 int index; /* stream index in the output file */
187 int source_index; /* AVInputStream index */
188 AVStream *st; /* stream in the output file */
189 int encoding_needed; /* true if encoding needed for this stream */
191 /* input pts and corresponding output pts
194 double sync_ipts_offset;
197 int video_resample; /* video_resample and video_crop are mutually exclusive */
198 AVPicture pict_tmp; /* temporary image for resampling */
199 ImgReSampleContext *img_resample_ctx; /* for image resampling */
201 int video_crop; /* video_resample and video_crop are mutually exclusive */
202 int topBand; /* cropping area sizes */
207 ReSampleContext *resample; /* for audio resampling */
208 FifoBuffer fifo; /* for compression: one audio fifo per codec */
212 typedef struct AVInputStream {
216 int discard; /* true if stream data should be discarded */
217 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
218 int64_t sample_index; /* current sample */
220 int64_t start; /* time when read started */
221 unsigned long frame; /* current frame */
222 int64_t next_pts; /* synthetic pts for cases where pkt.pts
224 int64_t pts; /* current pts */
227 typedef struct AVInputFile {
228 int eof_reached; /* true if eof reached */
229 int ist_index; /* index of first stream in ist_table */
230 int buffer_size; /* current total buffer size */
231 int buffer_size_max; /* buffer size at which we consider we can stop
233 int nb_streams; /* nb streams we are aware of */
238 /* init terminal so that we can grab keys */
239 static struct termios oldtty;
241 static void term_exit(void)
243 tcsetattr (0, TCSANOW, &oldtty);
246 static volatile sig_atomic_t received_sigterm = 0;
249 sigterm_handler(int sig)
251 received_sigterm = sig;
255 static void term_init(void)
262 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
263 |INLCR|IGNCR|ICRNL|IXON);
264 tty.c_oflag |= OPOST;
265 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
266 tty.c_cflag &= ~(CSIZE|PARENB);
271 tcsetattr (0, TCSANOW, &tty);
273 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
274 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
275 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
277 register a function to be called at normal program termination
280 #ifdef CONFIG_BEOS_NETSERVER
281 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
285 /* read a key without blocking */
286 static int read_key(void)
290 #ifndef CONFIG_BEOS_NETSERVER
298 n = select(1, &rfds, NULL, NULL, &tv);
312 static volatile int received_sigterm = 0;
314 /* no interactive support */
315 static void term_exit(void)
319 static void term_init(void)
323 static int read_key(void)
330 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
335 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
338 /* copy stream format */
339 s->nb_streams = ic->nb_streams;
340 for(i=0;i<ic->nb_streams;i++) {
343 st = av_mallocz(sizeof(AVStream));
344 memcpy(st, ic->streams[i], sizeof(AVStream));
348 av_close_input_file(ic);
352 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
354 static void do_audio_out(AVFormatContext *s,
357 unsigned char *buf, int size)
360 static uint8_t *audio_buf = NULL;
361 static uint8_t *audio_out = NULL;
362 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
364 int size_out, frame_bytes, ret;
367 /* SC: dynamic allocation of buffers */
369 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
371 audio_out = av_malloc(audio_out_size);
372 if (!audio_buf || !audio_out)
373 return; /* Should signal an error ! */
376 enc = &ost->st->codec;
378 if (ost->audio_resample) {
380 size_out = audio_resample(ost->resample,
381 (short *)buftmp, (short *)buf,
382 size / (ist->st->codec.channels * 2));
383 size_out = size_out * enc->channels * 2;
389 /* now encode as many frames as possible */
390 if (enc->frame_size > 1) {
391 /* output resampled raw samples */
392 fifo_write(&ost->fifo, buftmp, size_out,
395 frame_bytes = enc->frame_size * 2 * enc->channels;
397 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
398 &ost->fifo.rptr) == 0) {
399 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
401 av_write_frame(s, ost->index, audio_out, ret);
404 /* output a pcm frame */
405 /* XXX: change encoding codec API to avoid this ? */
406 switch(enc->codec->id) {
407 case CODEC_ID_PCM_S16LE:
408 case CODEC_ID_PCM_S16BE:
409 case CODEC_ID_PCM_U16LE:
410 case CODEC_ID_PCM_U16BE:
413 size_out = size_out >> 1;
416 ret = avcodec_encode_audio(enc, audio_out, size_out,
418 av_write_frame(s, ost->index, audio_out, ret);
422 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
426 AVPicture picture_tmp;
429 dec = &ist->st->codec;
431 /* deinterlace : must be done before any resize */
432 if (do_deinterlace || using_vhook) {
435 /* create temporary picture */
436 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
437 buf = av_malloc(size);
441 picture2 = &picture_tmp;
442 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
445 if(avpicture_deinterlace(picture2, picture,
446 dec->pix_fmt, dec->width, dec->height) < 0) {
447 /* if error, do not deinterlace */
453 if (img_convert(picture2, dec->pix_fmt, picture,
454 dec->pix_fmt, dec->width, dec->height) < 0) {
455 /* if error, do not copy */
465 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
467 if (picture != picture2)
468 *picture = *picture2;
472 /* we begin to correct av delay at this threshold */
473 #define AV_DELAY_MAX 0.100
475 static void do_video_out(AVFormatContext *s,
479 int *frame_size, AVOutputStream *audio_sync)
481 int nb_frames, i, ret;
482 AVPicture *final_picture, *formatted_picture;
483 AVPicture picture_format_temp, picture_crop_temp;
484 static uint8_t *video_buffer;
485 uint8_t *buf = NULL, *buf1 = NULL;
486 AVCodecContext *enc, *dec;
487 enum PixelFormat target_pixfmt;
489 #define VIDEO_BUFFER_SIZE (1024*1024)
491 enc = &ost->st->codec;
492 dec = &ist->st->codec;
494 /* by default, we output a single frame */
499 /* NOTE: the A/V sync is always done by considering the audio is
500 the master clock. It is suffisant for transcoding or playing,
501 but not for the general case */
503 /* compute the A-V delay and duplicate/remove frames if needed */
504 double adelta, vdelta, av_delay;
506 adelta = audio_sync->sync_ipts - ((double)audio_sync->sync_opts *
507 s->pts_num / s->pts_den);
509 vdelta = ost->sync_ipts - ((double)ost->sync_opts *
510 s->pts_num / s->pts_den);
512 av_delay = adelta - vdelta;
513 // printf("delay=%f\n", av_delay);
514 if (av_delay < -AV_DELAY_MAX)
516 else if (av_delay > AV_DELAY_MAX)
521 vdelta = (double)(ost->st->pts.val) * s->pts_num / s->pts_den - (ost->sync_ipts - ost->sync_ipts_offset);
522 if (vdelta < 100 && vdelta > -100 && ost->sync_ipts_offset) {
523 if (vdelta < -AV_DELAY_MAX)
525 else if (vdelta > AV_DELAY_MAX)
528 ost->sync_ipts_offset -= vdelta;
529 if (!ost->sync_ipts_offset)
530 ost->sync_ipts_offset = 0.000001; /* one microsecond */
534 #if defined(AVSYNC_DEBUG)
536 static char *action[] = { "drop frame", "copy frame", "dup frame" };
538 fprintf(stderr, "Input APTS %12.6f, output APTS %12.6f, ",
539 (double) audio_sync->sync_ipts,
540 (double) audio_sync->st->pts.val * s->pts_num / s->pts_den);
541 fprintf(stderr, "Input VPTS %12.6f, output VPTS %12.6f: %s\n",
542 (double) ost->sync_ipts,
543 (double) ost->st->pts.val * s->pts_num / s->pts_den,
552 video_buffer = av_malloc(VIDEO_BUFFER_SIZE);
556 /* convert pixel format if needed */
557 target_pixfmt = ost->video_resample ? PIX_FMT_YUV420P : enc->pix_fmt;
558 if (dec->pix_fmt != target_pixfmt) {
561 /* create temporary picture */
562 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
563 buf = av_malloc(size);
566 formatted_picture = &picture_format_temp;
567 avpicture_fill(formatted_picture, buf, target_pixfmt, dec->width, dec->height);
569 if (img_convert(formatted_picture, target_pixfmt,
570 (AVPicture *)in_picture, dec->pix_fmt,
571 dec->width, dec->height) < 0) {
572 fprintf(stderr, "pixel format conversion not handled\n");
576 formatted_picture = (AVPicture *)in_picture;
579 /* XXX: resampling could be done before raw format convertion in
580 some cases to go faster */
581 /* XXX: only works for YUV420P */
582 if (ost->video_resample) {
583 final_picture = &ost->pict_tmp;
584 img_resample(ost->img_resample_ctx, final_picture, formatted_picture);
585 if (enc->pix_fmt != PIX_FMT_YUV420P) {
589 /* create temporary picture */
590 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
591 buf = av_malloc(size);
594 final_picture = &picture_format_temp;
595 avpicture_fill(final_picture, buf, enc->pix_fmt, enc->width, enc->height);
597 if (img_convert(final_picture, enc->pix_fmt,
598 &ost->pict_tmp, PIX_FMT_YUV420P,
599 enc->width, enc->height) < 0) {
600 fprintf(stderr, "pixel format conversion not handled\n");
604 } else if (ost->video_crop) {
605 picture_crop_temp.data[0] = formatted_picture->data[0] +
606 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
608 picture_crop_temp.data[1] = formatted_picture->data[1] +
609 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
610 (ost->leftBand >> 1);
612 picture_crop_temp.data[2] = formatted_picture->data[2] +
613 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
614 (ost->leftBand >> 1);
616 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
617 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
618 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
619 final_picture = &picture_crop_temp;
621 final_picture = formatted_picture;
623 /* duplicates frame if needed */
624 /* XXX: pb because no interleaving */
625 for(i=0;i<nb_frames;i++) {
626 if (s->oformat->flags & AVFMT_RAWPICTURE) {
627 /* raw pictures are written as AVPicture structure to
628 avoid any copies. We support temorarily the older
630 AVFrame* old_frame = enc->coded_frame;
631 enc->coded_frame = dec->coded_frame;
632 av_write_frame(s, ost->index,
633 (uint8_t *)final_picture, sizeof(AVPicture));
634 enc->coded_frame = old_frame;
638 memset(&big_picture, 0, sizeof(AVFrame));
639 *(AVPicture*)&big_picture= *final_picture;
640 /* better than nothing: use input picture interlaced
642 big_picture.interlaced_frame = in_picture->interlaced_frame;
643 if(do_interlace_me || do_interlace_dct){
644 if(top_field_first == -1)
645 big_picture.top_field_first = in_picture->top_field_first;
647 big_picture.top_field_first = 1;
650 /* handles sameq here. This is not correct because it may
651 not be a global option */
653 big_picture.quality = ist->st->quality;
655 big_picture.quality = ost->st->quality;
657 ret = avcodec_encode_video(enc,
658 video_buffer, VIDEO_BUFFER_SIZE,
660 //enc->frame_number = enc->real_pict_num;
661 av_write_frame(s, ost->index, video_buffer, ret);
663 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
664 // enc->frame_number-1, enc->real_pict_num, ret,
666 /* if two pass, output log */
667 if (ost->logfile && enc->stats_out) {
668 fprintf(ost->logfile, "%s", enc->stats_out);
678 static double psnr(double d){
679 if(d==0) return INFINITY;
680 return -10.0*log(d)/log(10.0);
683 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
686 static FILE *fvstats=NULL;
687 static int64_t total_size = 0;
694 double ti1, bitrate, avg_bitrate;
698 today = localtime(&today2);
699 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
702 fvstats = fopen(filename,"w");
710 enc = &ost->st->codec;
711 total_size += frame_size;
712 if (enc->codec_type == CODEC_TYPE_VIDEO) {
713 frame_number = ost->frame_number;
714 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
715 if (enc->flags&CODEC_FLAG_PSNR)
716 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
718 fprintf(fvstats,"f_size= %6d ", frame_size);
719 /* compute pts value */
720 ti1 = (double)ost->st->pts.val * os->pts_num / os->pts_den;
724 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
725 avg_bitrate = (double)(total_size * 8) / ti1 / 1000.0;
726 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
727 (double)total_size / 1024, ti1, bitrate, avg_bitrate);
728 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
732 static void print_report(AVFormatContext **output_files,
733 AVOutputStream **ost_table, int nb_ostreams,
738 AVFormatContext *oc, *os;
741 int frame_number, vid, i;
742 double bitrate, ti1, pts;
743 static int64_t last_time = -1;
745 if (!is_last_report) {
747 /* display the report every 0.5 seconds */
748 cur_time = av_gettime();
749 if (last_time == -1) {
750 last_time = cur_time;
753 if ((cur_time - last_time) < 500000)
755 last_time = cur_time;
759 oc = output_files[0];
761 total_size = url_ftell(&oc->pb);
766 for(i=0;i<nb_ostreams;i++) {
768 os = output_files[ost->file_index];
769 enc = &ost->st->codec;
770 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
771 sprintf(buf + strlen(buf), "q=%2.1f ",
772 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
774 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
775 frame_number = ost->frame_number;
776 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
777 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
779 sprintf(buf + strlen(buf), "L");
780 if (enc->flags&CODEC_FLAG_PSNR){
782 double error, error_sum=0;
783 double scale, scale_sum=0;
784 char type[3]= {'Y','U','V'};
785 sprintf(buf + strlen(buf), "PSNR=");
788 error= enc->error[j];
789 scale= enc->width*enc->height*255.0*255.0*frame_number;
791 error= enc->coded_frame->error[j];
792 scale= enc->width*enc->height*255.0*255.0;
797 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
799 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
803 /* compute min output value */
804 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
805 if ((pts < ti1) && (pts > 0))
811 if (verbose || is_last_report) {
812 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
814 sprintf(buf + strlen(buf),
815 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
816 (double)total_size / 1024, ti1, bitrate);
818 fprintf(stderr, "%s \r", buf);
823 fprintf(stderr, "\n");
826 /* pkt = NULL means EOF (needed to flush decoder buffers) */
827 static int output_packet(AVInputStream *ist, int ist_index,
828 AVOutputStream **ost_table, int nb_ostreams,
836 int data_size, got_picture;
838 short samples[AVCODEC_MAX_AUDIO_FRAME_SIZE / 2];
839 void *buffer_to_free;
841 if (pkt && pkt->pts != AV_NOPTS_VALUE) {
844 ist->pts = ist->next_pts;
858 /* decode the packet if needed */
859 data_buf = NULL; /* fail safe */
861 if (ist->decoding_needed) {
862 switch(ist->st->codec.codec_type) {
863 case CODEC_TYPE_AUDIO:
864 /* XXX: could avoid copy if PCM 16 bits with same
866 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
872 /* Some bug in mpeg audio decoder gives */
873 /* data_size < 0, it seems they are overflows */
874 if (data_size <= 0) {
878 data_buf = (uint8_t *)samples;
879 ist->next_pts += ((int64_t)AV_TIME_BASE * data_size) /
880 (2 * ist->st->codec.channels);
882 case CODEC_TYPE_VIDEO:
883 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
884 /* XXX: allocate picture correctly */
885 memset(&picture, 0, sizeof(picture));
886 ret = avcodec_decode_video(&ist->st->codec,
887 &picture, &got_picture, ptr, len);
888 ist->st->quality= picture.quality;
895 if (ist->st->codec.frame_rate_base != 0) {
896 ist->next_pts += ((int64_t)AV_TIME_BASE *
897 ist->st->codec.frame_rate_base) /
898 ist->st->codec.frame_rate;
912 buffer_to_free = NULL;
913 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
914 pre_process_video_frame(ist, (AVPicture *)&picture,
918 /* frame rate emulation */
919 if (ist->st->codec.rate_emu) {
920 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
921 int64_t now = av_gettime() - ist->start;
929 /* mpeg PTS deordering : if it is a P or I frame, the PTS
930 is the one of the next displayed one */
931 /* XXX: add mpeg4 too ? */
932 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
933 if (ist->st->codec.pict_type != B_TYPE) {
935 tmp = ist->last_ip_pts;
936 ist->last_ip_pts = ist->frac_pts.val;
937 ist->frac_pts.val = tmp;
941 /* if output time reached then transcode raw format,
942 encode packets and output them */
943 if (start_time == 0 || ist->pts >= start_time)
944 for(i=0;i<nb_ostreams;i++) {
948 if (ost->source_index == ist_index) {
949 os = output_files[ost->file_index];
952 printf("%d: got pts=%0.3f %0.3f\n", i,
953 (double)pkt->pts / AV_TIME_BASE,
954 ((double)ist->pts / AV_TIME_BASE) -
955 ((double)ost->st->pts.val * os->pts_num / os->pts_den));
957 /* set the input output pts pairs */
958 ost->sync_ipts = (double)ist->pts / AV_TIME_BASE;
959 /* XXX: take into account the various fifos,
960 in particular for audio */
961 ost->sync_opts = ost->st->pts.val;
962 //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);
964 if (ost->encoding_needed) {
965 switch(ost->st->codec.codec_type) {
966 case CODEC_TYPE_AUDIO:
967 do_audio_out(os, ost, ist, data_buf, data_size);
969 case CODEC_TYPE_VIDEO:
970 /* find an audio stream for synchro */
973 AVOutputStream *audio_sync, *ost1;
975 for(i=0;i<nb_ostreams;i++) {
977 if (ost1->file_index == ost->file_index &&
978 ost1->st->codec.codec_type == CODEC_TYPE_AUDIO) {
984 do_video_out(os, ost, ist, &picture, &frame_size, audio_sync);
985 if (do_vstats && frame_size)
986 do_video_stats(os, ost, frame_size);
995 /* no reencoding needed : output the packet directly */
996 /* force the input stream PTS */
998 memset(&avframe, 0, sizeof(AVFrame));
999 ost->st->codec.coded_frame= &avframe;
1000 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1002 av_write_frame(os, ost->index, data_buf, data_size);
1003 ost->st->codec.frame_number++;
1004 ost->frame_number++;
1008 av_free(buffer_to_free);
1018 * The following code is the main loop of the file converter
1020 static int av_encode(AVFormatContext **output_files,
1021 int nb_output_files,
1022 AVFormatContext **input_files,
1024 AVStreamMap *stream_maps, int nb_stream_maps)
1026 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1027 AVFormatContext *is, *os;
1028 AVCodecContext *codec, *icodec;
1029 AVOutputStream *ost, **ost_table = NULL;
1030 AVInputStream *ist, **ist_table = NULL;
1031 AVInputFile *file_table;
1032 AVFormatContext *stream_no_data;
1035 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1039 /* input stream init */
1041 for(i=0;i<nb_input_files;i++) {
1042 is = input_files[i];
1043 file_table[i].ist_index = j;
1044 file_table[i].nb_streams = is->nb_streams;
1045 j += is->nb_streams;
1049 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1053 for(i=0;i<nb_istreams;i++) {
1054 ist = av_mallocz(sizeof(AVInputStream));
1060 for(i=0;i<nb_input_files;i++) {
1061 is = input_files[i];
1062 for(k=0;k<is->nb_streams;k++) {
1063 ist = ist_table[j++];
1064 ist->st = is->streams[k];
1065 ist->file_index = i;
1067 ist->discard = 1; /* the stream is discarded by default
1070 if (ist->st->codec.rate_emu) {
1071 ist->start = av_gettime();
1077 /* output stream init */
1079 for(i=0;i<nb_output_files;i++) {
1080 os = output_files[i];
1081 nb_ostreams += os->nb_streams;
1083 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1084 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1088 /* Sanity check the mapping args -- do the input files & streams exist? */
1089 for(i=0;i<nb_stream_maps;i++) {
1090 int fi = stream_maps[i].file_index;
1091 int si = stream_maps[i].stream_index;
1093 if (fi < 0 || fi > nb_input_files - 1 ||
1094 si < 0 || si > file_table[fi].nb_streams - 1) {
1095 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1100 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1103 for(i=0;i<nb_ostreams;i++) {
1104 ost = av_mallocz(sizeof(AVOutputStream));
1111 for(k=0;k<nb_output_files;k++) {
1112 os = output_files[k];
1113 for(i=0;i<os->nb_streams;i++) {
1115 ost = ost_table[n++];
1116 ost->file_index = k;
1118 ost->st = os->streams[i];
1119 if (nb_stream_maps > 0) {
1120 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1121 stream_maps[n-1].stream_index;
1123 /* Sanity check that the stream types match */
1124 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1125 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1126 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1127 ost->file_index, ost->index);
1132 /* get corresponding input stream index : we select the first one with the right type */
1134 for(j=0;j<nb_istreams;j++) {
1137 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1138 ost->source_index = j;
1144 /* try again and reuse existing stream */
1145 for(j=0;j<nb_istreams;j++) {
1147 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1148 ost->source_index = j;
1153 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1154 ost->file_index, ost->index);
1159 ist = ist_table[ost->source_index];
1164 /* for each output stream, we compute the right encoding parameters */
1165 for(i=0;i<nb_ostreams;i++) {
1167 ist = ist_table[ost->source_index];
1169 codec = &ost->st->codec;
1170 icodec = &ist->st->codec;
1172 if (ost->st->stream_copy) {
1173 /* if stream_copy is selected, no need to decode or encode */
1174 codec->codec_id = icodec->codec_id;
1175 codec->codec_type = icodec->codec_type;
1176 codec->codec_tag = icodec->codec_tag;
1177 codec->bit_rate = icodec->bit_rate;
1178 switch(codec->codec_type) {
1179 case CODEC_TYPE_AUDIO:
1180 codec->sample_rate = icodec->sample_rate;
1181 codec->channels = icodec->channels;
1183 case CODEC_TYPE_VIDEO:
1184 codec->frame_rate = icodec->frame_rate;
1185 codec->frame_rate_base = icodec->frame_rate_base;
1186 codec->width = icodec->width;
1187 codec->height = icodec->height;
1193 switch(codec->codec_type) {
1194 case CODEC_TYPE_AUDIO:
1195 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1198 if (codec->channels == icodec->channels &&
1199 codec->sample_rate == icodec->sample_rate) {
1200 ost->audio_resample = 0;
1202 if (codec->channels != icodec->channels &&
1203 icodec->codec_id == CODEC_ID_AC3) {
1204 /* Special case for 5:1 AC3 input */
1205 /* and mono or stereo output */
1206 /* Request specific number of channels */
1207 icodec->channels = codec->channels;
1208 if (codec->sample_rate == icodec->sample_rate)
1209 ost->audio_resample = 0;
1211 ost->audio_resample = 1;
1212 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1214 icodec->sample_rate);
1217 printf("Can't resample. Aborting.\n");
1221 /* Request specific number of channels */
1222 icodec->channels = codec->channels;
1224 ost->audio_resample = 1;
1225 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1227 icodec->sample_rate);
1230 printf("Can't resample. Aborting.\n");
1235 ist->decoding_needed = 1;
1236 ost->encoding_needed = 1;
1238 case CODEC_TYPE_VIDEO:
1239 if (codec->width == icodec->width &&
1240 codec->height == icodec->height &&
1241 frame_topBand == 0 &&
1242 frame_bottomBand == 0 &&
1243 frame_leftBand == 0 &&
1244 frame_rightBand == 0)
1246 ost->video_resample = 0;
1247 ost->video_crop = 0;
1248 } else if ((codec->width == icodec->width -
1249 (frame_leftBand + frame_rightBand)) &&
1250 (codec->height == icodec->height -
1251 (frame_topBand + frame_bottomBand)))
1253 ost->video_resample = 0;
1254 ost->video_crop = 1;
1255 ost->topBand = frame_topBand;
1256 ost->leftBand = frame_leftBand;
1259 ost->video_resample = 1;
1260 ost->video_crop = 0; // cropping is handled as part of resample
1261 buf = av_malloc((codec->width * codec->height * 3) / 2);
1264 ost->pict_tmp.data[0] = buf;
1265 ost->pict_tmp.data[1] = ost->pict_tmp.data[0] + (codec->width * codec->height);
1266 ost->pict_tmp.data[2] = ost->pict_tmp.data[1] + (codec->width * codec->height) / 4;
1267 ost->pict_tmp.linesize[0] = codec->width;
1268 ost->pict_tmp.linesize[1] = codec->width / 2;
1269 ost->pict_tmp.linesize[2] = codec->width / 2;
1271 ost->img_resample_ctx = img_resample_full_init(
1272 ost->st->codec.width, ost->st->codec.height,
1273 ist->st->codec.width, ist->st->codec.height,
1274 frame_topBand, frame_bottomBand,
1275 frame_leftBand, frame_rightBand);
1277 ost->encoding_needed = 1;
1278 ist->decoding_needed = 1;
1284 if (ost->encoding_needed &&
1285 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1286 char logfilename[1024];
1291 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1293 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1294 if (codec->flags & CODEC_FLAG_PASS1) {
1295 f = fopen(logfilename, "w");
1297 perror(logfilename);
1302 /* read the log file */
1303 f = fopen(logfilename, "r");
1305 perror(logfilename);
1308 fseek(f, 0, SEEK_END);
1310 fseek(f, 0, SEEK_SET);
1311 logbuffer = av_malloc(size + 1);
1313 fprintf(stderr, "Could not allocate log buffer\n");
1316 fread(logbuffer, 1, size, f);
1318 logbuffer[size] = '\0';
1319 codec->stats_in = logbuffer;
1325 /* dump the file output parameters - cannot be done before in case
1327 for(i=0;i<nb_output_files;i++) {
1328 dump_format(output_files[i], i, output_files[i]->filename, 1);
1331 /* dump the stream mapping */
1332 fprintf(stderr, "Stream mapping:\n");
1333 for(i=0;i<nb_ostreams;i++) {
1335 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1336 ist_table[ost->source_index]->file_index,
1337 ist_table[ost->source_index]->index,
1342 /* open each encoder */
1343 for(i=0;i<nb_ostreams;i++) {
1345 if (ost->encoding_needed) {
1347 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1349 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1350 ost->file_index, ost->index);
1353 if (avcodec_open(&ost->st->codec, codec) < 0) {
1354 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1355 ost->file_index, ost->index);
1361 /* open each decoder */
1362 for(i=0;i<nb_istreams;i++) {
1364 if (ist->decoding_needed) {
1366 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1368 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1369 ist->st->codec.codec_id, ist->file_index, ist->index);
1372 if (avcodec_open(&ist->st->codec, codec) < 0) {
1373 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1374 ist->file_index, ist->index);
1377 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1378 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1383 for(i=0;i<nb_istreams;i++) {
1385 is = input_files[ist->file_index];
1390 /* compute buffer size max (should use a complete heuristic) */
1391 for(i=0;i<nb_input_files;i++) {
1392 file_table[i].buffer_size_max = 2048;
1395 /* open files and write file headers */
1396 for(i=0;i<nb_output_files;i++) {
1397 os = output_files[i];
1398 if (av_write_header(os) < 0) {
1399 fprintf(stderr, "Could not write header for output file #%d (incorrect codec paramters ?)\n", i);
1405 #ifndef CONFIG_WIN32
1407 fprintf(stderr, "Press [q] to stop encoding\n");
1414 for(; received_sigterm == 0;) {
1415 int file_index, ist_index;
1420 /* if 'q' pressed, exits */
1422 /* read_key() returns 0 on EOF */
1428 /* select the stream that we must read now by looking at the
1429 smallest output pts */
1432 for(i=0;i<nb_ostreams;i++) {
1435 os = output_files[ost->file_index];
1436 ist = ist_table[ost->source_index];
1437 pts = (double)ost->st->pts.val * os->pts_num / os->pts_den;
1438 if (!file_table[ist->file_index].eof_reached &&
1441 file_index = ist->file_index;
1444 /* if none, if is finished */
1445 if (file_index < 0) {
1449 /* finish if recording time exhausted */
1450 if (recording_time > 0 && pts_min >= (recording_time / 1000000.0))
1453 /* read a frame from it and output it in the fifo */
1454 is = input_files[file_index];
1455 if (av_read_frame(is, &pkt) < 0) {
1456 file_table[file_index].eof_reached = 1;
1460 stream_no_data = is;
1465 av_pkt_dump(stdout, &pkt, do_hex_dump);
1467 /* the following test is needed in case new streams appear
1468 dynamically in stream : we ignore them */
1469 if (pkt.stream_index >= file_table[file_index].nb_streams)
1470 goto discard_packet;
1471 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1472 ist = ist_table[ist_index];
1474 goto discard_packet;
1476 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1477 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1478 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1479 ist->file_index, ist->index);
1480 av_free_packet(&pkt);
1485 av_free_packet(&pkt);
1487 /* dump report by using the output first video and audio streams */
1488 print_report(output_files, ost_table, nb_ostreams, 0);
1491 /* at the end of stream, we must flush the decoder buffers */
1492 for(i=0;i<nb_istreams;i++) {
1494 if (ist->decoding_needed) {
1495 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1501 /* dump report by using the first video and audio streams */
1502 print_report(output_files, ost_table, nb_ostreams, 1);
1504 /* close each encoder */
1505 for(i=0;i<nb_ostreams;i++) {
1507 if (ost->encoding_needed) {
1508 av_freep(&ost->st->codec.stats_in);
1509 avcodec_close(&ost->st->codec);
1513 /* close each decoder */
1514 for(i=0;i<nb_istreams;i++) {
1516 if (ist->decoding_needed) {
1517 avcodec_close(&ist->st->codec);
1522 /* write the trailer if needed and close file */
1523 for(i=0;i<nb_output_files;i++) {
1524 os = output_files[i];
1525 av_write_trailer(os);
1531 av_free(file_table);
1534 for(i=0;i<nb_istreams;i++) {
1541 for(i=0;i<nb_ostreams;i++) {
1545 fclose(ost->logfile);
1546 ost->logfile = NULL;
1548 fifo_free(&ost->fifo); /* works even if fifo is not
1549 initialized but set to zero */
1550 av_free(ost->pict_tmp.data[0]);
1551 if (ost->video_resample)
1552 img_resample_close(ost->img_resample_ctx);
1553 if (ost->audio_resample)
1554 audio_resample_close(ost->resample);
1567 int file_read(const char *filename)
1570 unsigned char buffer[1024];
1573 if (url_open(&h, filename, O_RDONLY) < 0) {
1574 printf("could not open '%s'\n", filename);
1578 len = url_read(h, buffer, sizeof(buffer));
1581 for(i=0;i<len;i++) putchar(buffer[i]);
1588 static void opt_image_format(const char *arg)
1592 for(f = first_image_format; f != NULL; f = f->next) {
1593 if (!strcmp(arg, f->name))
1597 fprintf(stderr, "Unknown image format: '%s'\n", arg);
1603 static void opt_format(const char *arg)
1605 /* compatibility stuff for pgmyuv */
1606 if (!strcmp(arg, "pgmyuv")) {
1607 opt_image_format(arg);
1611 file_iformat = av_find_input_format(arg);
1612 file_oformat = guess_format(arg, NULL, NULL);
1613 if (!file_iformat && !file_oformat) {
1614 fprintf(stderr, "Unknown input or output format: %s\n", arg);
1619 static void opt_video_bitrate(const char *arg)
1621 video_bit_rate = atoi(arg) * 1000;
1624 static void opt_video_bitrate_tolerance(const char *arg)
1626 video_bit_rate_tolerance = atoi(arg) * 1000;
1629 static void opt_video_bitrate_max(const char *arg)
1631 video_rc_max_rate = atoi(arg) * 1000;
1634 static void opt_video_bitrate_min(const char *arg)
1636 video_rc_min_rate = atoi(arg) * 1000;
1639 static void opt_video_buffer_size(const char *arg)
1641 video_rc_buffer_size = atoi(arg) * 1024;
1644 static void opt_video_rc_eq(char *arg)
1649 static void opt_video_rc_override_string(char *arg)
1651 video_rc_override_string = arg;
1655 static void opt_workaround_bugs(const char *arg)
1657 workaround_bugs = atoi(arg);
1660 static void opt_dct_algo(const char *arg)
1662 dct_algo = atoi(arg);
1665 static void opt_idct_algo(const char *arg)
1667 idct_algo = atoi(arg);
1671 static void opt_error_resilience(const char *arg)
1673 error_resilience = atoi(arg);
1676 static void opt_error_concealment(const char *arg)
1678 error_concealment = atoi(arg);
1681 static void opt_debug(const char *arg)
1686 static void opt_vismv(const char *arg)
1688 debug_mv = atoi(arg);
1691 static void opt_verbose(const char *arg)
1693 verbose = atoi(arg);
1696 static void opt_frame_rate(const char *arg)
1698 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
1699 fprintf(stderr, "Incorrect frame rate\n");
1704 static void opt_frame_crop_top(const char *arg)
1706 frame_topBand = atoi(arg);
1707 if (frame_topBand < 0) {
1708 fprintf(stderr, "Incorrect top crop size\n");
1711 if ((frame_topBand % 2) != 0) {
1712 fprintf(stderr, "Top crop size must be a multiple of 2\n");
1715 if ((frame_topBand) >= frame_height){
1716 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1719 frame_height -= frame_topBand;
1722 static void opt_frame_crop_bottom(const char *arg)
1724 frame_bottomBand = atoi(arg);
1725 if (frame_bottomBand < 0) {
1726 fprintf(stderr, "Incorrect bottom crop size\n");
1729 if ((frame_bottomBand % 2) != 0) {
1730 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
1733 if ((frame_bottomBand) >= frame_height){
1734 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1737 frame_height -= frame_bottomBand;
1740 static void opt_frame_crop_left(const char *arg)
1742 frame_leftBand = atoi(arg);
1743 if (frame_leftBand < 0) {
1744 fprintf(stderr, "Incorrect left crop size\n");
1747 if ((frame_leftBand % 2) != 0) {
1748 fprintf(stderr, "Left crop size must be a multiple of 2\n");
1751 if ((frame_leftBand) >= frame_width){
1752 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1755 frame_width -= frame_leftBand;
1758 static void opt_frame_crop_right(const char *arg)
1760 frame_rightBand = atoi(arg);
1761 if (frame_rightBand < 0) {
1762 fprintf(stderr, "Incorrect right crop size\n");
1765 if ((frame_rightBand % 2) != 0) {
1766 fprintf(stderr, "Right crop size must be a multiple of 2\n");
1769 if ((frame_rightBand) >= frame_width){
1770 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
1773 frame_width -= frame_rightBand;
1776 static void opt_frame_size(const char *arg)
1778 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
1779 fprintf(stderr, "Incorrect frame size\n");
1782 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
1783 fprintf(stderr, "Frame size must be a multiple of 2\n");
1788 static void opt_frame_pix_fmt(const char *arg)
1790 frame_pix_fmt = avcodec_get_pix_fmt(arg);
1793 static void opt_frame_aspect_ratio(const char *arg)
1799 p = strchr(arg, ':');
1801 x = strtol(arg, (char **)&arg, 10);
1803 y = strtol(arg+1, (char **)&arg, 10);
1805 ar = (double)x / (double)y;
1807 ar = strtod(arg, (char **)&arg);
1810 fprintf(stderr, "Incorrect aspect ratio specification.\n");
1813 frame_aspect_ratio = ar;
1816 static void opt_gop_size(const char *arg)
1818 gop_size = atoi(arg);
1821 static void opt_b_frames(const char *arg)
1823 b_frames = atoi(arg);
1824 if (b_frames > FF_MAX_B_FRAMES) {
1825 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
1827 } else if (b_frames < 1) {
1828 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
1833 static void opt_mb_decision(const char *arg)
1835 mb_decision = atoi(arg);
1838 static void opt_mb_cmp(const char *arg)
1843 static void opt_sub_cmp(const char *arg)
1845 sub_cmp = atoi(arg);
1848 static void opt_cmp(const char *arg)
1853 static void opt_qscale(const char *arg)
1855 video_qscale = atof(arg);
1856 if (video_qscale < 0.01 ||
1857 video_qscale > 255) {
1858 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
1863 static void opt_qmin(const char *arg)
1865 video_qmin = atoi(arg);
1866 if (video_qmin < 0 ||
1868 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1873 static void opt_qmax(const char *arg)
1875 video_qmax = atoi(arg);
1876 if (video_qmax < 0 ||
1878 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1883 static void opt_mb_qmin(const char *arg)
1885 video_mb_qmin = atoi(arg);
1886 if (video_mb_qmin < 0 ||
1887 video_mb_qmin > 31) {
1888 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
1893 static void opt_mb_qmax(const char *arg)
1895 video_mb_qmax = atoi(arg);
1896 if (video_mb_qmax < 0 ||
1897 video_mb_qmax > 31) {
1898 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
1903 static void opt_qdiff(const char *arg)
1905 video_qdiff = atoi(arg);
1906 if (video_qdiff < 0 ||
1908 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
1913 static void opt_qblur(const char *arg)
1915 video_qblur = atof(arg);
1918 static void opt_qcomp(const char *arg)
1920 video_qcomp = atof(arg);
1923 static void opt_rc_initial_cplx(const char *arg)
1925 video_rc_initial_cplx = atof(arg);
1927 static void opt_b_qfactor(const char *arg)
1929 video_b_qfactor = atof(arg);
1931 static void opt_i_qfactor(const char *arg)
1933 video_i_qfactor = atof(arg);
1935 static void opt_b_qoffset(const char *arg)
1937 video_b_qoffset = atof(arg);
1939 static void opt_i_qoffset(const char *arg)
1941 video_i_qoffset = atof(arg);
1944 static void opt_packet_size(const char *arg)
1946 packet_size= atoi(arg);
1949 static void opt_error_rate(const char *arg)
1951 error_rate= atoi(arg);
1954 static void opt_strict(const char *arg)
1959 static void opt_top_field_first(const char *arg)
1961 top_field_first= atoi(arg);
1964 static void opt_noise_reduction(const char *arg)
1966 noise_reduction= atoi(arg);
1969 static void opt_audio_bitrate(const char *arg)
1971 audio_bit_rate = atoi(arg) * 1000;
1974 static void opt_audio_rate(const char *arg)
1976 audio_sample_rate = atoi(arg);
1979 static void opt_audio_channels(const char *arg)
1981 audio_channels = atoi(arg);
1984 static void opt_video_device(const char *arg)
1986 video_device = av_strdup(arg);
1989 static void opt_video_channel(const char *arg)
1991 video_channel = strtol(arg, NULL, 0);
1994 static void opt_video_standard(const char *arg)
1996 video_standard = av_strdup(arg);
1999 static void opt_audio_device(const char *arg)
2001 audio_device = av_strdup(arg);
2004 static void opt_dv1394(const char *arg)
2006 video_grab_format = "dv1394";
2007 audio_grab_format = NULL;
2010 static void opt_audio_codec(const char *arg)
2014 if (!strcmp(arg, "copy")) {
2015 audio_stream_copy = 1;
2019 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2024 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2027 audio_codec_id = p->id;
2032 static void add_frame_hooker(const char *arg)
2037 char *args = av_strdup(arg);
2041 argv[0] = strtok(args, " ");
2042 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2045 i = frame_hook_add(argc, argv);
2048 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2053 const char *motion_str[] = {
2063 static void opt_motion_estimation(const char *arg)
2069 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2072 if (!strcmp(*p, arg))
2076 me_method = (p - motion_str) + 1;
2079 static void opt_video_codec(const char *arg)
2083 if (!strcmp(arg, "copy")) {
2084 video_stream_copy = 1;
2088 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2093 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2096 video_codec_id = p->id;
2101 static void opt_map(const char *arg)
2107 m = &stream_maps[nb_stream_maps++];
2109 m->file_index = strtol(arg, (char **)&p, 0);
2113 m->stream_index = strtol(p, (char **)&p, 0);
2116 static void opt_recording_time(const char *arg)
2118 recording_time = parse_date(arg, 1);
2121 static void opt_start_time(const char *arg)
2123 start_time = parse_date(arg, 1);
2126 static void opt_input_file(const char *filename)
2128 AVFormatContext *ic;
2129 AVFormatParameters params, *ap = ¶ms;
2130 int err, i, ret, rfps, rfps_base;
2132 if (!strcmp(filename, "-"))
2135 using_stdin |= !strcmp(filename, "pipe:" ) ||
2136 !strcmp( filename, "/dev/stdin" );
2138 /* get default parameters from command line */
2139 memset(ap, 0, sizeof(*ap));
2140 ap->sample_rate = audio_sample_rate;
2141 ap->channels = audio_channels;
2142 ap->frame_rate = frame_rate;
2143 ap->frame_rate_base = frame_rate_base;
2144 ap->width = frame_width;
2145 ap->height = frame_height;
2146 ap->image_format = image_format;
2147 ap->pix_fmt = frame_pix_fmt;
2149 /* open the input file with generic libav function */
2150 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2152 print_error(filename, err);
2156 /* If not enough info to get the stream parameters, we decode the
2157 first frames to get it. (used in mpeg case for example) */
2158 ret = av_find_stream_info(ic);
2160 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2164 /* if seeking requested, we execute it */
2165 if (start_time != 0) {
2168 timestamp = start_time;
2169 /* add the stream start time */
2170 if (ic->start_time != AV_NOPTS_VALUE)
2171 timestamp += ic->start_time;
2172 ret = av_seek_frame(ic, -1, timestamp);
2174 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2175 filename, (double)timestamp / AV_TIME_BASE);
2177 /* reset seek info */
2181 /* update the current parameters so that they match the one of the input stream */
2182 for(i=0;i<ic->nb_streams;i++) {
2183 AVCodecContext *enc = &ic->streams[i]->codec;
2184 switch(enc->codec_type) {
2185 case CODEC_TYPE_AUDIO:
2186 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2187 audio_channels = enc->channels;
2188 audio_sample_rate = enc->sample_rate;
2190 case CODEC_TYPE_VIDEO:
2191 frame_height = enc->height;
2192 frame_width = enc->width;
2193 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2194 frame_pix_fmt = enc->pix_fmt;
2195 rfps = ic->streams[i]->r_frame_rate;
2196 rfps_base = ic->streams[i]->r_frame_rate_base;
2197 enc->workaround_bugs = workaround_bugs;
2198 enc->error_resilience = error_resilience;
2199 enc->error_concealment = error_concealment;
2200 enc->idct_algo = idct_algo;
2202 enc->debug_mv = debug_mv;
2204 enc->flags|= CODEC_FLAG_BITEXACT;
2206 assert(enc->frame_rate_base == rfps_base); // should be true for now
2207 if (enc->frame_rate != rfps) {
2208 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2209 i, (float)enc->frame_rate / enc->frame_rate_base,
2210 (float)rfps / rfps_base);
2212 /* update the current frame rate to match the stream frame rate */
2214 frame_rate_base = rfps_base;
2216 enc->rate_emu = rate_emu;
2218 case CODEC_TYPE_DATA:
2225 input_files[nb_input_files] = ic;
2226 /* dump the file content */
2227 dump_format(ic, nb_input_files, filename, 0);
2229 file_iformat = NULL;
2230 file_oformat = NULL;
2231 image_format = NULL;
2236 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2238 int has_video, has_audio, i, j;
2239 AVFormatContext *ic;
2243 for(j=0;j<nb_input_files;j++) {
2244 ic = input_files[j];
2245 for(i=0;i<ic->nb_streams;i++) {
2246 AVCodecContext *enc = &ic->streams[i]->codec;
2247 switch(enc->codec_type) {
2248 case CODEC_TYPE_AUDIO:
2251 case CODEC_TYPE_VIDEO:
2259 *has_video_ptr = has_video;
2260 *has_audio_ptr = has_audio;
2263 static void opt_output_file(const char *filename)
2266 AVFormatContext *oc;
2267 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2269 AVFormatParameters params, *ap = ¶ms;
2271 if (!strcmp(filename, "-"))
2274 oc = av_mallocz(sizeof(AVFormatContext));
2276 if (!file_oformat) {
2277 file_oformat = guess_format(NULL, filename, NULL);
2278 if (!file_oformat) {
2279 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2285 oc->oformat = file_oformat;
2287 if (!strcmp(file_oformat->name, "ffm") &&
2288 strstart(filename, "http:", NULL)) {
2289 /* special case for files sent to ffserver: we get the stream
2290 parameters from ffserver */
2291 if (read_ffserver_streams(oc, filename) < 0) {
2292 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2296 use_video = file_oformat->video_codec != CODEC_ID_NONE;
2297 use_audio = file_oformat->audio_codec != CODEC_ID_NONE;
2299 /* disable if no corresponding type found and at least one
2301 if (nb_input_files > 0) {
2302 check_audio_video_inputs(&input_has_video, &input_has_audio);
2303 if (!input_has_video)
2305 if (!input_has_audio)
2309 /* manual disable */
2310 if (audio_disable) {
2313 if (video_disable) {
2319 AVCodecContext *video_enc;
2321 st = av_mallocz(sizeof(AVStream));
2323 fprintf(stderr, "Could not alloc stream\n");
2326 avcodec_get_context_defaults(&st->codec);
2328 video_enc = &st->codec;
2330 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2331 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2332 if (video_stream_copy) {
2333 st->stream_copy = 1;
2334 video_enc->codec_type = CODEC_TYPE_VIDEO;
2339 codec_id = file_oformat->video_codec;
2340 if (video_codec_id != CODEC_ID_NONE)
2341 codec_id = video_codec_id;
2343 video_enc->codec_id = codec_id;
2345 video_enc->bit_rate = video_bit_rate;
2346 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2347 video_enc->frame_rate = frame_rate;
2348 video_enc->frame_rate_base = frame_rate_base;
2350 video_enc->width = frame_width;
2351 video_enc->height = frame_height;
2352 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2353 video_enc->pix_fmt = frame_pix_fmt;
2356 video_enc->gop_size = gop_size;
2358 video_enc->gop_size = 0;
2359 if (video_qscale || same_quality) {
2360 video_enc->flags |= CODEC_FLAG_QSCALE;
2361 st->quality = FF_QP2LAMBDA * video_qscale;
2365 video_enc->intra_matrix = intra_matrix;
2367 video_enc->inter_matrix = inter_matrix;
2370 video_enc->flags |= CODEC_FLAG_BITEXACT;
2372 video_enc->mb_decision = mb_decision;
2373 video_enc->mb_cmp = mb_cmp;
2374 video_enc->me_sub_cmp = sub_cmp;
2375 video_enc->me_cmp = cmp;
2378 video_enc->flags |= CODEC_FLAG_H263P_UMV;
2381 video_enc->flags |= CODEC_FLAG_H263P_AIC;
2384 video_enc->flags |= CODEC_FLAG_H263P_AIV;
2387 video_enc->flags |= CODEC_FLAG_4MV;
2390 video_enc->flags |= CODEC_FLAG_OBMC;
2394 video_enc->flags |= CODEC_FLAG_PART;
2397 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
2400 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
2403 video_enc->max_b_frames = b_frames;
2404 video_enc->b_frame_strategy = 0;
2405 video_enc->b_quant_factor = 2.0;
2407 if (do_interlace_dct) {
2408 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
2410 if (do_interlace_me) {
2411 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
2413 video_enc->qmin = video_qmin;
2414 video_enc->qmax = video_qmax;
2415 video_enc->mb_qmin = video_mb_qmin;
2416 video_enc->mb_qmax = video_mb_qmax;
2417 video_enc->max_qdiff = video_qdiff;
2418 video_enc->qblur = video_qblur;
2419 video_enc->qcompress = video_qcomp;
2420 video_enc->rc_eq = video_rc_eq;
2421 video_enc->debug = debug;
2422 video_enc->debug_mv = debug_mv;
2423 p= video_rc_override_string;
2426 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
2428 fprintf(stderr, "error parsing rc_override\n");
2431 video_enc->rc_override=
2432 av_realloc(video_enc->rc_override,
2433 sizeof(RcOverride)*(i+1));
2434 video_enc->rc_override[i].start_frame= start;
2435 video_enc->rc_override[i].end_frame = end;
2437 video_enc->rc_override[i].qscale= q;
2438 video_enc->rc_override[i].quality_factor= 1.0;
2441 video_enc->rc_override[i].qscale= 0;
2442 video_enc->rc_override[i].quality_factor= -q/100.0;
2447 video_enc->rc_override_count=i;
2449 video_enc->rc_max_rate = video_rc_max_rate;
2450 video_enc->rc_min_rate = video_rc_min_rate;
2451 video_enc->rc_buffer_size = video_rc_buffer_size;
2452 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
2453 video_enc->rc_initial_cplx= video_rc_initial_cplx;
2454 video_enc->i_quant_factor = video_i_qfactor;
2455 video_enc->b_quant_factor = video_b_qfactor;
2456 video_enc->i_quant_offset = video_i_qoffset;
2457 video_enc->b_quant_offset = video_b_qoffset;
2458 video_enc->dct_algo = dct_algo;
2459 video_enc->idct_algo = idct_algo;
2460 video_enc->strict_std_compliance = strict;
2461 video_enc->error_rate = error_rate;
2462 video_enc->noise_reduction= noise_reduction;
2464 video_enc->rtp_mode= 1;
2465 video_enc->rtp_payload_size= packet_size;
2469 video_enc->flags|= CODEC_FLAG_PSNR;
2471 video_enc->me_method = me_method;
2476 video_enc->flags |= CODEC_FLAG_PASS1;
2478 video_enc->flags |= CODEC_FLAG_PASS2;
2482 oc->streams[nb_streams] = st;
2487 AVCodecContext *audio_enc;
2489 st = av_mallocz(sizeof(AVStream));
2491 fprintf(stderr, "Could not alloc stream\n");
2494 avcodec_get_context_defaults(&st->codec);
2496 audio_enc = &st->codec;
2497 audio_enc->codec_type = CODEC_TYPE_AUDIO;
2499 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2500 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2501 if (audio_stream_copy) {
2502 st->stream_copy = 1;
2504 codec_id = file_oformat->audio_codec;
2505 if (audio_codec_id != CODEC_ID_NONE)
2506 codec_id = audio_codec_id;
2507 audio_enc->codec_id = codec_id;
2509 audio_enc->bit_rate = audio_bit_rate;
2510 audio_enc->sample_rate = audio_sample_rate;
2511 /* For audio codecs other than AC3 we limit */
2512 /* the number of coded channels to stereo */
2513 if (audio_channels > 2 && codec_id != CODEC_ID_AC3) {
2514 audio_enc->channels = 2;
2516 audio_enc->channels = audio_channels;
2518 oc->streams[nb_streams] = st;
2522 oc->nb_streams = nb_streams;
2525 fprintf(stderr, "No audio or video streams available\n");
2530 pstrcpy(oc->title, sizeof(oc->title), str_title);
2532 pstrcpy(oc->author, sizeof(oc->author), str_author);
2534 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
2536 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
2539 output_files[nb_output_files++] = oc;
2541 strcpy(oc->filename, filename);
2543 /* check filename in case of an image number is expected */
2544 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
2545 if (filename_number_test(oc->filename) < 0) {
2546 print_error(oc->filename, AVERROR_NUMEXPECTED);
2551 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
2552 /* test if it already exists to avoid loosing precious files */
2553 if (!file_overwrite &&
2554 (strchr(filename, ':') == NULL ||
2555 strstart(filename, "file:", NULL))) {
2556 if (url_exist(filename)) {
2559 if ( !using_stdin ) {
2560 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
2563 if (toupper(c) != 'Y') {
2564 fprintf(stderr, "Not overwriting - exiting\n");
2569 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
2576 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
2577 fprintf(stderr, "Could not open '%s'\n", filename);
2582 memset(ap, 0, sizeof(*ap));
2583 ap->image_format = image_format;
2584 if (av_set_parameters(oc, ap) < 0) {
2585 fprintf(stderr, "%s: Invalid encoding parameters\n",
2590 /* reset some options */
2591 file_oformat = NULL;
2592 file_iformat = NULL;
2593 image_format = NULL;
2596 audio_codec_id = CODEC_ID_NONE;
2597 video_codec_id = CODEC_ID_NONE;
2598 audio_stream_copy = 0;
2599 video_stream_copy = 0;
2602 /* prepare dummy protocols for grab */
2603 static void prepare_grab(void)
2605 int has_video, has_audio, i, j;
2606 AVFormatContext *oc;
2607 AVFormatContext *ic;
2608 AVFormatParameters vp1, *vp = &vp1;
2609 AVFormatParameters ap1, *ap = &ap1;
2611 /* see if audio/video inputs are needed */
2614 memset(ap, 0, sizeof(*ap));
2615 memset(vp, 0, sizeof(*vp));
2616 for(j=0;j<nb_output_files;j++) {
2617 oc = output_files[j];
2618 for(i=0;i<oc->nb_streams;i++) {
2619 AVCodecContext *enc = &oc->streams[i]->codec;
2620 switch(enc->codec_type) {
2621 case CODEC_TYPE_AUDIO:
2622 if (enc->sample_rate > ap->sample_rate)
2623 ap->sample_rate = enc->sample_rate;
2624 if (enc->channels > ap->channels)
2625 ap->channels = enc->channels;
2628 case CODEC_TYPE_VIDEO:
2629 if (enc->width > vp->width)
2630 vp->width = enc->width;
2631 if (enc->height > vp->height)
2632 vp->height = enc->height;
2634 assert(enc->frame_rate_base == DEFAULT_FRAME_RATE_BASE);
2635 if (enc->frame_rate > vp->frame_rate){
2636 vp->frame_rate = enc->frame_rate;
2637 vp->frame_rate_base = enc->frame_rate_base;
2647 if (has_video == 0 && has_audio == 0) {
2648 fprintf(stderr, "Output file must have at least one audio or video stream\n");
2653 AVInputFormat *fmt1;
2654 fmt1 = av_find_input_format(video_grab_format);
2655 vp->device = video_device;
2656 vp->channel = video_channel;
2657 vp->standard = video_standard;
2658 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
2659 fprintf(stderr, "Could not find video grab device\n");
2662 /* If not enough info to get the stream parameters, we decode the
2663 first frames to get it. */
2664 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
2665 fprintf(stderr, "Could not find video grab parameters\n");
2668 /* by now video grab has one stream */
2669 ic->streams[0]->r_frame_rate = vp->frame_rate;
2670 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
2671 input_files[nb_input_files] = ic;
2672 dump_format(ic, nb_input_files, "", 0);
2675 if (has_audio && audio_grab_format) {
2676 AVInputFormat *fmt1;
2677 fmt1 = av_find_input_format(audio_grab_format);
2678 ap->device = audio_device;
2679 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
2680 fprintf(stderr, "Could not find audio grab device\n");
2683 input_files[nb_input_files] = ic;
2684 dump_format(ic, nb_input_files, "", 0);
2689 /* same option as mencoder */
2690 static void opt_pass(const char *pass_str)
2693 pass = atoi(pass_str);
2694 if (pass != 1 && pass != 2) {
2695 fprintf(stderr, "pass number can be only 1 or 2\n");
2701 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
2702 static int64_t getutime(void)
2704 return av_gettime();
2707 static int64_t getutime(void)
2709 struct rusage rusage;
2711 getrusage(RUSAGE_SELF, &rusage);
2712 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
2716 extern int ffm_nopts;
2718 static void opt_bitexact(void)
2721 /* disable generate of real time pts in ffm (need to be supressed anyway) */
2725 static void show_formats(void)
2727 AVInputFormat *ifmt;
2728 AVOutputFormat *ofmt;
2729 AVImageFormat *image_fmt;
2734 printf("Output audio/video file formats:");
2735 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
2736 printf(" %s", ofmt->name);
2740 printf("Input audio/video file formats:");
2741 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
2742 printf(" %s", ifmt->name);
2746 printf("Output image formats:");
2747 for(image_fmt = first_image_format; image_fmt != NULL;
2748 image_fmt = image_fmt->next) {
2749 if (image_fmt->img_write)
2750 printf(" %s", image_fmt->name);
2754 printf("Input image formats:");
2755 for(image_fmt = first_image_format; image_fmt != NULL;
2756 image_fmt = image_fmt->next) {
2757 if (image_fmt->img_read)
2758 printf(" %s", image_fmt->name);
2762 printf("Codecs:\n");
2763 printf(" Encoders:");
2764 for(p = first_avcodec; p != NULL; p = p->next) {
2766 printf(" %s", p->name);
2770 printf(" Decoders:");
2771 for(p = first_avcodec; p != NULL; p = p->next) {
2773 printf(" %s", p->name);
2777 printf("Supported file protocols:");
2778 for(up = first_protocol; up != NULL; up = up->next)
2779 printf(" %s:", up->name);
2782 printf("Frame size, frame rate abbreviations: ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
2783 printf("Motion estimation methods:");
2787 if ((pp - motion_str + 1) == ME_ZERO)
2788 printf("(fastest)");
2789 else if ((pp - motion_str + 1) == ME_FULL)
2790 printf("(slowest)");
2791 else if ((pp - motion_str + 1) == ME_EPZS)
2792 printf("(default)");
2799 void parse_matrix_coeffs(uint16_t *dest, const char *str)
2802 const char *p = str;
2809 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
2816 void opt_inter_matrix(const char *arg)
2818 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
2819 parse_matrix_coeffs(inter_matrix, arg);
2822 void opt_intra_matrix(const char *arg)
2824 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
2825 parse_matrix_coeffs(intra_matrix, arg);
2828 static void opt_target(const char *arg)
2832 if(!strncmp(arg, "pal-", 4)) {
2835 } else if(!strncmp(arg, "ntsc-", 5)) {
2840 /* Calculate FR via float to avoid int overflow */
2841 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
2844 } else if((fr == 29970) || (fr == 23976)) {
2847 /* Try to determine PAL/NTSC by peeking in the input files */
2848 if(nb_input_files) {
2850 for(j = 0; j < nb_input_files; j++) {
2851 for(i = 0; i < input_files[j]->nb_streams; i++) {
2852 AVCodecContext *c = &input_files[j]->streams[i]->codec;
2853 if(c->codec_type != CODEC_TYPE_VIDEO)
2855 fr = c->frame_rate * 1000 / c->frame_rate_base;
2859 } else if((fr == 29970) || (fr == 23976)) {
2869 if(verbose && norm >= 0)
2870 printf("Assuming %s for target.\n", norm ? "NTSC" : "PAL");
2874 fprintf(stderr, "Could not determine norm (PAL/NTSC) for target.\n");
2875 fprintf(stderr, "Please prefix target with \"pal-\" or \"ntsc-\",\n");
2876 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
2880 if(!strcmp(arg, "vcd")) {
2882 opt_video_codec("mpeg1video");
2883 opt_audio_codec("mp2");
2886 opt_frame_size(norm ? "352x240" : "352x288");
2888 video_bit_rate = 1150000;
2889 video_rc_max_rate = 1150000;
2890 video_rc_min_rate = 1150000;
2891 video_rc_buffer_size = 40*1024*8;
2893 audio_bit_rate = 224000;
2894 audio_sample_rate = 44100;
2896 } else if(!strcmp(arg, "svcd")) {
2898 opt_video_codec("mpeg2video");
2899 opt_audio_codec("mp2");
2902 opt_frame_size(norm ? "480x480" : "480x576");
2903 opt_gop_size(norm ? "18" : "15");
2905 video_bit_rate = 2040000;
2906 video_rc_max_rate = 2516000;
2907 video_rc_min_rate = 0; //1145000;
2908 video_rc_buffer_size = 224*1024*8;
2910 audio_bit_rate = 224000;
2911 audio_sample_rate = 44100;
2913 } else if(!strcmp(arg, "dvd")) {
2915 opt_video_codec("mpeg2video");
2916 opt_audio_codec("ac3");
2919 opt_frame_size(norm ? "720x480" : "720x576");
2920 opt_gop_size(norm ? "18" : "15");
2922 video_bit_rate = 6000000;
2923 video_rc_max_rate = 9000000;
2924 video_rc_min_rate = 0; //1500000;
2925 video_rc_buffer_size = 224*1024*8;
2927 audio_bit_rate = 448000;
2928 audio_sample_rate = 48000;
2931 fprintf(stderr, "Unknown target: %s\n", arg);
2936 const OptionDef options[] = {
2938 { "L", 0, {(void*)show_license}, "show license" },
2939 { "h", 0, {(void*)show_help}, "show help" },
2940 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
2941 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
2942 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
2943 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
2944 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
2945 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
2946 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
2947 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
2948 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
2949 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
2950 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
2951 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
2952 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
2953 { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
2954 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
2955 "add timings for benchmarking" },
2956 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
2957 "dump each input packet" },
2958 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
2959 "when dumping packets, also dump the payload" },
2960 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
2961 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
2962 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
2963 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
2964 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\" or \"dvd\")", "type" },
2967 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
2968 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
2969 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
2970 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
2971 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
2972 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
2973 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
2974 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
2975 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
2976 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
2977 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
2978 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
2979 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
2980 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
2981 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
2982 { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
2983 { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
2984 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
2985 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
2986 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
2987 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
2988 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
2989 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
2990 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
2991 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
2992 // { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
2993 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
2994 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
2995 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
2996 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
2997 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
2998 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffere size (in kbit)", "size" },
2999 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3000 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
3002 { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" },
3003 { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" },
3004 { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" },
3005 { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" },
3006 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
3007 { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
3008 { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
3009 { "mbcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_cmp}, "macroblock compare function", "cmp function" },
3010 { "subcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sub_cmp}, "subpel compare function", "cmp function" },
3011 { "cmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_cmp}, "fullpel compare function", "cmp function" },
3012 { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (MPEG4)" },
3013 { "obmc", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_obmc}, "use overlapped block motion compensation (h263+)" },
3014 { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (MPEG4)" },
3015 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
3016 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
3017 { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
3018 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standarts", "strictness" },
3019 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3020 "use same video quality as source (implies VBR)" },
3021 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3022 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3023 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3024 "deinterlace pictures" },
3025 { "ildct", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_dct},
3026 "force interlaced dct support in encoder (MPEG2/MPEG4)" },
3027 { "ilme", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_me},
3028 "force interlacied me support in encoder MPEG2" },
3029 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3030 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
3031 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3032 { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
3033 { "aiv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aiv}, "enable Alternative inter vlc (h263+)" },
3034 { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
3035 { "alt", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_alt_scan}, "enable alternate scantable (mpeg2)" },
3036 { "trell", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_trell}, "enable trellis quantization" },
3037 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3038 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3039 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3040 { "nr", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_noise_reduction}, "noise reduction", "" },
3043 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
3044 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3045 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3046 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3047 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3050 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
3051 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3052 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3053 { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
3054 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
3058 static void show_banner(void)
3060 printf("ffmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2003 Fabrice Bellard\n");
3063 static void show_license(void)
3067 "This library is free software; you can redistribute it and/or\n"
3068 "modify it under the terms of the GNU Lesser General Public\n"
3069 "License as published by the Free Software Foundation; either\n"
3070 "version 2 of the License, or (at your option) any later version.\n"
3072 "This library is distributed in the hope that it will be useful,\n"
3073 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3074 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3075 "Lesser General Public License for more details.\n"
3077 "You should have received a copy of the GNU Lesser General Public\n"
3078 "License along with this library; if not, write to the Free Software\n"
3079 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
3084 static void show_help(void)
3087 printf("usage: ffmpeg [[options] -i input_file]... {[options] outfile}...\n"
3088 "Hyper fast Audio and Video encoder\n");
3090 show_help_options(options, "Main options:\n",
3091 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3092 show_help_options(options, "\nVideo options:\n",
3093 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3095 show_help_options(options, "\nAdvanced Video options:\n",
3096 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3097 OPT_VIDEO | OPT_EXPERT);
3098 show_help_options(options, "\nAudio options:\n",
3099 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3101 show_help_options(options, "\nAdvanced Audio options:\n",
3102 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3103 OPT_AUDIO | OPT_EXPERT);
3104 show_help_options(options, "\nAudio/Video grab options:\n",
3107 show_help_options(options, "\nAdvanced options:\n",
3108 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3113 void parse_arg_file(const char *filename)
3115 opt_output_file(filename);
3118 int main(int argc, char **argv)
3129 parse_options(argc, argv, options);
3131 /* file converter / grab */
3132 if (nb_output_files <= 0) {
3133 fprintf(stderr, "Must supply at least one output file\n");
3137 if (nb_input_files == 0) {
3142 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3143 stream_maps, nb_stream_maps);
3144 ti = getutime() - ti;
3146 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3150 for(i=0;i<nb_output_files;i++) {
3151 /* maybe av_close_output_file ??? */
3152 AVFormatContext *s = output_files[i];
3154 if (!(s->oformat->flags & AVFMT_NOFILE))
3156 for(j=0;j<s->nb_streams;j++)
3157 av_free(s->streams[j]);
3160 for(i=0;i<nb_input_files;i++)
3161 av_close_input_file(input_files[i]);
3166 av_free(intra_matrix);
3168 av_free(inter_matrix);
3170 #ifdef POWERPC_PERFORMANCE_REPORT
3171 extern void powerpc_display_perf_report(void);
3172 powerpc_display_perf_report();
3173 #endif /* POWERPC_PERFORMANCE_REPORT */
3175 #ifndef CONFIG_WIN32
3176 if (received_sigterm) {
3178 "Received signal %d: terminating.\n",
3179 (int) received_sigterm);
3183 exit(0); /* not all OS-es handle main() return value */