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
22 #include "framehook.h"
28 #include <sys/ioctl.h>
31 #include <sys/resource.h>
35 #include <sys/types.h>
36 #include <sys/select.h>
39 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
47 #if !defined(INFINITY) && defined(HUGE_VAL)
48 #define INFINITY HUGE_VAL
51 /* select an input stream for an output stream */
52 typedef struct AVStreamMap {
57 /** select an input file for an output file */
58 typedef struct AVMetaDataMap {
63 extern const OptionDef options[];
65 static void show_help(void);
66 static void show_license(void);
70 static AVFormatContext *input_files[MAX_FILES];
71 static int64_t input_files_ts_offset[MAX_FILES];
72 static int nb_input_files = 0;
74 static AVFormatContext *output_files[MAX_FILES];
75 static int nb_output_files = 0;
77 static AVStreamMap stream_maps[MAX_FILES];
78 static int nb_stream_maps;
80 static AVMetaDataMap meta_data_maps[MAX_FILES];
81 static int nb_meta_data_maps;
83 static AVInputFormat *file_iformat;
84 static AVOutputFormat *file_oformat;
85 static AVImageFormat *image_format;
86 static int frame_width = 160;
87 static int frame_height = 128;
88 static float frame_aspect_ratio = 0;
89 static enum PixelFormat frame_pix_fmt = PIX_FMT_YUV420P;
90 static int frame_padtop = 0;
91 static int frame_padbottom = 0;
92 static int frame_padleft = 0;
93 static int frame_padright = 0;
94 static int padcolor[3] = {16,128,128}; /* default to black */
95 static int frame_topBand = 0;
96 static int frame_bottomBand = 0;
97 static int frame_leftBand = 0;
98 static int frame_rightBand = 0;
99 static int frame_rate = 25;
100 static int frame_rate_base = 1;
101 static int video_bit_rate = 200*1000;
102 static int video_bit_rate_tolerance = 4000*1000;
103 static float video_qscale = 0;
104 static int video_qmin = 2;
105 static int video_qmax = 31;
106 static int video_lmin = 2*FF_QP2LAMBDA;
107 static int video_lmax = 31*FF_QP2LAMBDA;
108 static int video_mb_qmin = 2;
109 static int video_mb_qmax = 31;
110 static int video_qdiff = 3;
111 static float video_qblur = 0.5;
112 static float video_qcomp = 0.5;
113 static uint16_t *intra_matrix = NULL;
114 static uint16_t *inter_matrix = NULL;
115 #if 0 //experimental, (can be removed)
116 static float video_rc_qsquish=1.0;
117 static float video_rc_qmod_amp=0;
118 static int video_rc_qmod_freq=0;
120 static char *video_rc_override_string=NULL;
121 static char *video_rc_eq="tex^qComp";
122 static int video_rc_buffer_size=0;
123 static float video_rc_buffer_aggressivity=1.0;
124 static int video_rc_max_rate=0;
125 static int video_rc_min_rate=0;
126 static float video_rc_initial_cplx=0;
127 static float video_b_qfactor = 1.25;
128 static float video_b_qoffset = 1.25;
129 static float video_i_qfactor = -0.8;
130 static float video_i_qoffset = 0.0;
131 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
132 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
133 static int me_method = ME_EPZS;
134 static int video_disable = 0;
135 static int video_codec_id = CODEC_ID_NONE;
136 static int same_quality = 0;
137 static int b_frames = 0;
138 static int mb_decision = FF_MB_DECISION_SIMPLE;
139 static int ildct_cmp = FF_CMP_VSAD;
140 static int mb_cmp = FF_CMP_SAD;
141 static int sub_cmp = FF_CMP_SAD;
142 static int cmp = FF_CMP_SAD;
143 static int pre_cmp = FF_CMP_SAD;
144 static int pre_me = 0;
145 static float lumi_mask = 0;
146 static float dark_mask = 0;
147 static float scplx_mask = 0;
148 static float tcplx_mask = 0;
149 static float p_mask = 0;
150 static int use_4mv = 0;
151 static int use_obmc = 0;
152 static int use_loop = 0;
153 static int use_aic = 0;
154 static int use_aiv = 0;
155 static int use_umv = 0;
156 static int use_ss = 0;
157 static int use_alt_scan = 0;
158 static int use_trell = 0;
159 static int use_scan_offset = 0;
160 static int use_qpel = 0;
161 static int use_qprd = 0;
162 static int use_cbprd = 0;
164 static int closed_gop = 0;
165 static int do_deinterlace = 0;
166 static int do_interlace_dct = 0;
167 static int do_interlace_me = 0;
168 static int workaround_bugs = FF_BUG_AUTODETECT;
169 static int error_resilience = 2;
170 static int error_concealment = 3;
171 static int dct_algo = 0;
172 static int idct_algo = 0;
173 static int use_part = 0;
174 static int packet_size = 0;
175 static int error_rate = 0;
176 static int strict = 0;
177 static int top_field_first = -1;
178 static int noise_reduction = 0;
179 static int sc_threshold = 0;
180 static int debug = 0;
181 static int debug_mv = 0;
182 static int me_threshold = 0;
183 static int mb_threshold = 0;
184 static int intra_dc_precision = 8;
185 static int coder = 0;
186 static int context = 0;
187 static int predictor = 0;
188 static int video_profile = FF_PROFILE_UNKNOWN;
189 static int video_level = FF_LEVEL_UNKNOWN;
190 static int nsse_weight = 8;
191 static int subpel_quality= 8;
192 static int lowres= 0;
193 extern int loop_input; /* currently a hack */
195 static int gop_size = 12;
196 static int intra_only = 0;
197 static int audio_sample_rate = 44100;
198 static int audio_bit_rate = 64000;
199 static int audio_disable = 0;
200 static int audio_channels = 1;
201 static int audio_codec_id = CODEC_ID_NONE;
203 static int64_t recording_time = 0;
204 static int64_t start_time = 0;
205 static int64_t rec_timestamp = 0;
206 static int64_t input_ts_offset = 0;
207 static int file_overwrite = 0;
208 static char *str_title = NULL;
209 static char *str_author = NULL;
210 static char *str_copyright = NULL;
211 static char *str_comment = NULL;
212 static int do_benchmark = 0;
213 static int do_hex_dump = 0;
214 static int do_pkt_dump = 0;
215 static int do_psnr = 0;
216 static int do_vstats = 0;
217 static int do_pass = 0;
218 static int bitexact = 0;
219 static char *pass_logfilename = NULL;
220 static int audio_stream_copy = 0;
221 static int video_stream_copy = 0;
222 static int video_sync_method= 1;
223 static int audio_sync_method= 0;
224 static int copy_ts= 0;
226 static int rate_emu = 0;
228 static char *video_grab_format = "video4linux";
229 static char *video_device = NULL;
230 static int video_channel = 0;
231 static char *video_standard = "ntsc";
233 static char *audio_grab_format = "audio_device";
234 static char *audio_device = NULL;
236 static int using_stdin = 0;
237 static int using_vhook = 0;
238 static int verbose = 1;
239 static int thread_count= 1;
240 static int q_pressed = 0;
241 static int me_range = 0;
242 static int64_t video_size = 0;
243 static int64_t audio_size = 0;
244 static int64_t extra_size = 0;
245 static int nb_frames_dup = 0;
246 static int nb_frames_drop = 0;
247 static int input_sync;
249 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
251 typedef struct AVOutputStream {
252 int file_index; /* file index */
253 int index; /* stream index in the output file */
254 int source_index; /* AVInputStream index */
255 AVStream *st; /* stream in the output file */
256 int encoding_needed; /* true if encoding needed for this stream */
258 /* input pts and corresponding output pts
260 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
261 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
263 int video_resample; /* video_resample and video_crop are mutually exclusive */
264 AVFrame pict_tmp; /* temporary image for resampling */
265 ImgReSampleContext *img_resample_ctx; /* for image resampling */
267 int video_crop; /* video_resample and video_crop are mutually exclusive */
268 int topBand; /* cropping area sizes */
271 int video_pad; /* video_resample and video_pad are mutually exclusive */
272 int padtop; /* padding area sizes */
279 ReSampleContext *resample; /* for audio resampling */
280 FifoBuffer fifo; /* for compression: one audio fifo per codec */
284 typedef struct AVInputStream {
288 int discard; /* true if stream data should be discarded */
289 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
290 int64_t sample_index; /* current sample */
292 int64_t start; /* time when read started */
293 unsigned long frame; /* current frame */
294 int64_t next_pts; /* synthetic pts for cases where pkt.pts
296 int64_t pts; /* current pts */
297 int is_start; /* is 1 at the start and after a discontinuity */
300 typedef struct AVInputFile {
301 int eof_reached; /* true if eof reached */
302 int ist_index; /* index of first stream in ist_table */
303 int buffer_size; /* current total buffer size */
304 int buffer_size_max; /* buffer size at which we consider we can stop
306 int nb_streams; /* nb streams we are aware of */
311 /* init terminal so that we can grab keys */
312 static struct termios oldtty;
314 static void term_exit(void)
316 tcsetattr (0, TCSANOW, &oldtty);
319 static volatile sig_atomic_t received_sigterm = 0;
322 sigterm_handler(int sig)
324 received_sigterm = sig;
328 static void term_init(void)
335 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
336 |INLCR|IGNCR|ICRNL|IXON);
337 tty.c_oflag |= OPOST;
338 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
339 tty.c_cflag &= ~(CSIZE|PARENB);
344 tcsetattr (0, TCSANOW, &tty);
346 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
347 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
348 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
350 register a function to be called at normal program termination
353 #ifdef CONFIG_BEOS_NETSERVER
354 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
358 /* read a key without blocking */
359 static int read_key(void)
363 #ifndef CONFIG_BEOS_NETSERVER
371 n = select(1, &rfds, NULL, NULL, &tv);
383 static int decode_interrupt_cb(void)
385 return q_pressed || (q_pressed = read_key() == 'q');
390 static volatile int received_sigterm = 0;
392 /* no interactive support */
393 static void term_exit(void)
397 static void term_init(void)
401 static int read_key(void)
408 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
413 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
416 /* copy stream format */
417 s->nb_streams = ic->nb_streams;
418 for(i=0;i<ic->nb_streams;i++) {
421 st = av_mallocz(sizeof(AVStream));
422 memcpy(st, ic->streams[i], sizeof(AVStream));
426 av_close_input_file(ic);
430 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
432 static void do_audio_out(AVFormatContext *s,
435 unsigned char *buf, int size)
438 static uint8_t *audio_buf = NULL;
439 static uint8_t *audio_out = NULL;
440 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
442 int size_out, frame_bytes, ret;
443 AVCodecContext *enc= &ost->st->codec;
445 /* SC: dynamic allocation of buffers */
447 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
449 audio_out = av_malloc(audio_out_size);
450 if (!audio_buf || !audio_out)
451 return; /* Should signal an error ! */
453 if(audio_sync_method){
454 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
455 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
456 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
457 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
459 //FIXME resample delay
460 if(fabs(delta) > 50){
463 byte_delta= FFMAX(byte_delta, -size);
467 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
472 static uint8_t *input_tmp= NULL;
473 input_tmp= av_realloc(input_tmp, byte_delta + size);
475 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
478 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
480 memset(input_tmp, 0, byte_delta);
481 memcpy(input_tmp + byte_delta, buf, size);
485 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
487 }else if(audio_sync_method>1){
488 int comp= clip(delta, -audio_sync_method, audio_sync_method);
489 assert(ost->audio_resample);
491 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
492 // fprintf(stderr, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(ost->sync_ipts * enc->sample_rate), fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2));
493 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
497 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
498 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
500 if (ost->audio_resample) {
502 size_out = audio_resample(ost->resample,
503 (short *)buftmp, (short *)buf,
504 size / (ist->st->codec.channels * 2));
505 size_out = size_out * enc->channels * 2;
511 /* now encode as many frames as possible */
512 if (enc->frame_size > 1) {
513 /* output resampled raw samples */
514 fifo_write(&ost->fifo, buftmp, size_out,
517 frame_bytes = enc->frame_size * 2 * enc->channels;
519 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
520 &ost->fifo.rptr) == 0) {
522 av_init_packet(&pkt);
524 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
527 pkt.stream_index= ost->index;
531 pkt.pts= enc->coded_frame->pts;
532 pkt.flags |= PKT_FLAG_KEY;
533 av_interleaved_write_frame(s, &pkt);
535 ost->sync_opts += enc->frame_size;
539 av_init_packet(&pkt);
541 ost->sync_opts += size_out / (2 * enc->channels);
543 /* output a pcm frame */
544 /* XXX: change encoding codec API to avoid this ? */
545 switch(enc->codec->id) {
546 case CODEC_ID_PCM_S16LE:
547 case CODEC_ID_PCM_S16BE:
548 case CODEC_ID_PCM_U16LE:
549 case CODEC_ID_PCM_U16BE:
552 size_out = size_out >> 1;
555 ret = avcodec_encode_audio(enc, audio_out, size_out,
558 pkt.stream_index= ost->index;
562 pkt.pts= enc->coded_frame->pts;
563 pkt.flags |= PKT_FLAG_KEY;
564 av_interleaved_write_frame(s, &pkt);
568 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
572 AVPicture picture_tmp;
575 dec = &ist->st->codec;
577 /* deinterlace : must be done before any resize */
578 if (do_deinterlace || using_vhook) {
581 /* create temporary picture */
582 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
583 buf = av_malloc(size);
587 picture2 = &picture_tmp;
588 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
591 if(avpicture_deinterlace(picture2, picture,
592 dec->pix_fmt, dec->width, dec->height) < 0) {
593 /* if error, do not deinterlace */
599 if (img_convert(picture2, dec->pix_fmt, picture,
600 dec->pix_fmt, dec->width, dec->height) < 0) {
601 /* if error, do not copy */
611 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
613 if (picture != picture2)
614 *picture = *picture2;
618 /* we begin to correct av delay at this threshold */
619 #define AV_DELAY_MAX 0.100
622 /* Expects img to be yuv420 */
623 static void fill_pad_region(AVPicture* img, int height, int width,
624 int padtop, int padbottom, int padleft, int padright, int *color) {
629 for (i = 0; i < 3; i++) {
630 shift = (i == 0) ? 0 : 1;
632 if (padtop || padleft) {
633 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
637 if (padleft || padright) {
638 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
639 (img->linesize[i] - (padright >> shift));
641 for (y = 0; y < ((height - (padtop + padbottom)) >> shift); y++) {
642 memset(optr, color[i], (padleft + padright) >> shift);
643 optr += img->linesize[i];
648 optr = img->data[i] + (img->linesize[i] * ((height - padbottom) >> shift));
649 memset(optr, color[i], ((img->linesize[i] * padbottom) >> shift));
654 static uint8_t *bit_buffer= NULL;
656 static void do_video_out(AVFormatContext *s,
662 int nb_frames, i, ret;
663 AVFrame *final_picture, *formatted_picture;
664 AVFrame picture_format_temp, picture_crop_temp;
665 uint8_t *buf = NULL, *buf1 = NULL;
666 AVCodecContext *enc, *dec;
667 enum PixelFormat target_pixfmt;
669 #define VIDEO_BUFFER_SIZE (1024*1024)
671 avcodec_get_frame_defaults(&picture_format_temp);
672 avcodec_get_frame_defaults(&picture_crop_temp);
674 enc = &ost->st->codec;
675 dec = &ist->st->codec;
677 /* by default, we output a single frame */
682 if(video_sync_method){
684 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
685 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
688 else if (vdelta > 1.1)
689 nb_frames = lrintf(vdelta - 1.1 + 0.5);
690 //fprintf(stderr, "vdelta:%f, ost->sync_opts:%lld, ost->sync_ipts:%f nb_frames:%d\n", vdelta, ost->sync_opts, ost->sync_ipts, nb_frames);
694 fprintf(stderr, "*** drop!\n");
695 }else if (nb_frames > 1) {
696 nb_frames_dup += nb_frames;
698 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
701 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
706 /* convert pixel format if needed */
707 target_pixfmt = ost->video_resample || ost->video_pad
708 ? PIX_FMT_YUV420P : enc->pix_fmt;
709 if (dec->pix_fmt != target_pixfmt) {
712 /* create temporary picture */
713 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
714 buf = av_malloc(size);
717 formatted_picture = &picture_format_temp;
718 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
720 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
721 (AVPicture *)in_picture, dec->pix_fmt,
722 dec->width, dec->height) < 0) {
725 fprintf(stderr, "pixel format conversion not handled\n");
730 formatted_picture = in_picture;
733 /* XXX: resampling could be done before raw format conversion in
734 some cases to go faster */
735 /* XXX: only works for YUV420P */
736 if (ost->video_resample) {
737 final_picture = &ost->pict_tmp;
738 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
740 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
741 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
742 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
746 if (enc->pix_fmt != PIX_FMT_YUV420P) {
750 /* create temporary picture */
751 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
752 buf = av_malloc(size);
755 final_picture = &picture_format_temp;
756 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
758 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
759 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
760 enc->width, enc->height) < 0) {
763 fprintf(stderr, "pixel format conversion not handled\n");
768 } else if (ost->video_crop) {
769 picture_crop_temp.data[0] = formatted_picture->data[0] +
770 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
772 picture_crop_temp.data[1] = formatted_picture->data[1] +
773 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
774 (ost->leftBand >> 1);
776 picture_crop_temp.data[2] = formatted_picture->data[2] +
777 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
778 (ost->leftBand >> 1);
780 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
781 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
782 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
783 final_picture = &picture_crop_temp;
784 } else if (ost->video_pad) {
785 final_picture = &ost->pict_tmp;
787 for (i = 0; i < 3; i++) {
788 uint8_t *optr, *iptr;
789 int shift = (i == 0) ? 0 : 1;
792 /* set offset to start writing image into */
793 optr = final_picture->data[i] + (((final_picture->linesize[i] *
794 ost->padtop) + ost->padleft) >> shift);
795 iptr = formatted_picture->data[i];
797 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
798 for (y = 0; y < yheight; y++) {
799 /* copy unpadded image row into padded image row */
800 memcpy(optr, iptr, formatted_picture->linesize[i]);
801 optr += final_picture->linesize[i];
802 iptr += formatted_picture->linesize[i];
806 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
807 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
810 if (enc->pix_fmt != PIX_FMT_YUV420P) {
814 /* create temporary picture */
815 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
816 buf = av_malloc(size);
819 final_picture = &picture_format_temp;
820 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
822 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
823 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
824 enc->width, enc->height) < 0) {
827 fprintf(stderr, "pixel format conversion not handled\n");
833 final_picture = formatted_picture;
835 /* duplicates frame if needed */
836 for(i=0;i<nb_frames;i++) {
838 av_init_packet(&pkt);
839 pkt.stream_index= ost->index;
841 if (s->oformat->flags & AVFMT_RAWPICTURE) {
842 /* raw pictures are written as AVPicture structure to
843 avoid any copies. We support temorarily the older
845 AVFrame* old_frame = enc->coded_frame;
846 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
847 pkt.data= (uint8_t *)final_picture;
848 pkt.size= sizeof(AVPicture);
850 pkt.pts= dec->coded_frame->pts;
851 if(dec->coded_frame && dec->coded_frame->key_frame)
852 pkt.flags |= PKT_FLAG_KEY;
854 av_interleaved_write_frame(s, &pkt);
855 enc->coded_frame = old_frame;
859 big_picture= *final_picture;
860 /* better than nothing: use input picture interlaced
862 big_picture.interlaced_frame = in_picture->interlaced_frame;
863 if(do_interlace_me || do_interlace_dct){
864 if(top_field_first == -1)
865 big_picture.top_field_first = in_picture->top_field_first;
867 big_picture.top_field_first = top_field_first;
870 /* handles sameq here. This is not correct because it may
871 not be a global option */
873 big_picture.quality = ist->st->quality;
875 big_picture.quality = ost->st->quality;
877 big_picture.pict_type = 0;
878 // big_picture.pts = AV_NOPTS_VALUE;
879 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
880 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
881 ret = avcodec_encode_video(enc,
882 bit_buffer, VIDEO_BUFFER_SIZE,
884 //enc->frame_number = enc->real_pict_num;
886 pkt.data= bit_buffer;
889 pkt.pts= enc->coded_frame->pts;
890 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
891 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
892 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
894 if(enc->coded_frame && enc->coded_frame->key_frame)
895 pkt.flags |= PKT_FLAG_KEY;
896 av_interleaved_write_frame(s, &pkt);
898 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
899 // enc->frame_number-1, enc->real_pict_num, ret,
901 /* if two pass, output log */
902 if (ost->logfile && enc->stats_out) {
903 fprintf(ost->logfile, "%s", enc->stats_out);
915 static double psnr(double d){
916 if(d==0) return INFINITY;
917 return -10.0*log(d)/log(10.0);
920 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
923 static FILE *fvstats=NULL;
930 double ti1, bitrate, avg_bitrate;
934 today = localtime(&today2);
935 sprintf(filename, "vstats_%02d%02d%02d.log", today->tm_hour,
938 fvstats = fopen(filename,"w");
946 enc = &ost->st->codec;
947 if (enc->codec_type == CODEC_TYPE_VIDEO) {
948 frame_number = ost->frame_number;
949 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
950 if (enc->flags&CODEC_FLAG_PSNR)
951 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
953 fprintf(fvstats,"f_size= %6d ", frame_size);
954 /* compute pts value */
955 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
959 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
960 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
961 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
962 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
963 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
967 static void print_report(AVFormatContext **output_files,
968 AVOutputStream **ost_table, int nb_ostreams,
973 AVFormatContext *oc, *os;
976 int frame_number, vid, i;
977 double bitrate, ti1, pts;
978 static int64_t last_time = -1;
980 if (!is_last_report) {
982 /* display the report every 0.5 seconds */
983 cur_time = av_gettime();
984 if (last_time == -1) {
985 last_time = cur_time;
988 if ((cur_time - last_time) < 500000)
990 last_time = cur_time;
994 oc = output_files[0];
996 total_size = url_ftell(&oc->pb);
1001 for(i=0;i<nb_ostreams;i++) {
1003 os = output_files[ost->file_index];
1004 enc = &ost->st->codec;
1005 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1006 sprintf(buf + strlen(buf), "q=%2.1f ",
1007 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1009 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1010 frame_number = ost->frame_number;
1011 sprintf(buf + strlen(buf), "frame=%5d q=%2.1f ",
1012 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1014 sprintf(buf + strlen(buf), "L");
1015 if (enc->flags&CODEC_FLAG_PSNR){
1017 double error, error_sum=0;
1018 double scale, scale_sum=0;
1019 char type[3]= {'Y','U','V'};
1020 sprintf(buf + strlen(buf), "PSNR=");
1023 error= enc->error[j];
1024 scale= enc->width*enc->height*255.0*255.0*frame_number;
1026 error= enc->coded_frame->error[j];
1027 scale= enc->width*enc->height*255.0*255.0;
1032 sprintf(buf + strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1034 sprintf(buf + strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1038 /* compute min output value */
1039 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1040 if ((pts < ti1) && (pts > 0))
1046 if (verbose || is_last_report) {
1047 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1049 sprintf(buf + strlen(buf),
1050 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1051 (double)total_size / 1024, ti1, bitrate);
1054 sprintf(buf + strlen(buf), " dup=%d drop=%d",
1055 nb_frames_dup, nb_frames_drop);
1058 fprintf(stderr, "%s \r", buf);
1063 if (is_last_report && verbose >= 0){
1064 int64_t raw= audio_size + video_size + extra_size;
1065 fprintf(stderr, "\n");
1066 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1070 100.0*(total_size - raw)/raw
1075 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1076 static int output_packet(AVInputStream *ist, int ist_index,
1077 AVOutputStream **ost_table, int nb_ostreams,
1078 const AVPacket *pkt)
1080 AVFormatContext *os;
1081 AVOutputStream *ost;
1085 int data_size, got_picture;
1087 void *buffer_to_free;
1088 static int samples_size= 0;
1089 static short *samples= NULL;
1092 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1093 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1094 ist->next_pts = ist->pts = pkt->dts;
1096 assert(ist->pts == ist->next_pts);
1110 /* decode the packet if needed */
1111 data_buf = NULL; /* fail safe */
1113 if (ist->decoding_needed) {
1114 switch(ist->st->codec.codec_type) {
1115 case CODEC_TYPE_AUDIO:{
1117 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1118 /* XXX: could avoid copy if PCM 16 bits with same
1119 endianness as CPU */
1120 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1126 /* Some bug in mpeg audio decoder gives */
1127 /* data_size < 0, it seems they are overflows */
1128 if (data_size <= 0) {
1129 /* no audio frame */
1132 data_buf = (uint8_t *)samples;
1133 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1134 (ist->st->codec.sample_rate * ist->st->codec.channels);
1136 case CODEC_TYPE_VIDEO:
1137 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1138 /* XXX: allocate picture correctly */
1139 avcodec_get_frame_defaults(&picture);
1141 ret = avcodec_decode_video(&ist->st->codec,
1142 &picture, &got_picture, ptr, len);
1143 ist->st->quality= picture.quality;
1147 /* no picture yet */
1148 goto discard_packet;
1150 if (ist->st->codec.frame_rate_base != 0) {
1151 ist->next_pts += ((int64_t)AV_TIME_BASE *
1152 ist->st->codec.frame_rate_base) /
1153 ist->st->codec.frame_rate;
1167 buffer_to_free = NULL;
1168 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1169 pre_process_video_frame(ist, (AVPicture *)&picture,
1173 /* frame rate emulation */
1174 if (ist->st->codec.rate_emu) {
1175 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1176 int64_t now = av_gettime() - ist->start;
1184 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1185 is the one of the next displayed one */
1186 /* XXX: add mpeg4 too ? */
1187 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1188 if (ist->st->codec.pict_type != B_TYPE) {
1190 tmp = ist->last_ip_pts;
1191 ist->last_ip_pts = ist->frac_pts.val;
1192 ist->frac_pts.val = tmp;
1196 /* if output time reached then transcode raw format,
1197 encode packets and output them */
1198 if (start_time == 0 || ist->pts >= start_time)
1199 for(i=0;i<nb_ostreams;i++) {
1203 if (ost->source_index == ist_index) {
1204 os = output_files[ost->file_index];
1207 printf("%d: got pts=%0.3f %0.3f\n", i,
1208 (double)pkt->pts / AV_TIME_BASE,
1209 ((double)ist->pts / AV_TIME_BASE) -
1210 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1212 /* set the input output pts pairs */
1213 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1215 if (ost->encoding_needed) {
1216 switch(ost->st->codec.codec_type) {
1217 case CODEC_TYPE_AUDIO:
1218 do_audio_out(os, ost, ist, data_buf, data_size);
1220 case CODEC_TYPE_VIDEO:
1221 do_video_out(os, ost, ist, &picture, &frame_size);
1222 video_size += frame_size;
1223 if (do_vstats && frame_size)
1224 do_video_stats(os, ost, frame_size);
1230 AVFrame avframe; //FIXME/XXX remove this
1232 av_init_packet(&opkt);
1234 /* no reencoding needed : output the packet directly */
1235 /* force the input stream PTS */
1237 avcodec_get_frame_defaults(&avframe);
1238 ost->st->codec.coded_frame= &avframe;
1239 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1241 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1242 audio_size += data_size;
1243 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1244 video_size += data_size;
1246 opkt.stream_index= ost->index;
1247 opkt.data= data_buf;
1248 opkt.size= data_size;
1249 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1250 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1251 opkt.flags= pkt->flags;
1253 av_interleaved_write_frame(os, &opkt);
1254 ost->st->codec.frame_number++;
1255 ost->frame_number++;
1259 av_free(buffer_to_free);
1265 for(i=0;i<nb_ostreams;i++) {
1267 if (ost->source_index == ist_index) {
1268 AVCodecContext *enc= &ost->st->codec;
1269 os = output_files[ost->file_index];
1271 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1273 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1276 if (ost->encoding_needed) {
1279 av_init_packet(&pkt);
1280 pkt.stream_index= ost->index;
1282 switch(ost->st->codec.codec_type) {
1283 case CODEC_TYPE_AUDIO:
1284 ret = avcodec_encode_audio(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1286 pkt.flags |= PKT_FLAG_KEY;
1288 case CODEC_TYPE_VIDEO:
1289 ret = avcodec_encode_video(enc, bit_buffer, VIDEO_BUFFER_SIZE, NULL);
1291 if(enc->coded_frame && enc->coded_frame->key_frame)
1292 pkt.flags |= PKT_FLAG_KEY;
1293 if (ost->logfile && enc->stats_out) {
1294 fprintf(ost->logfile, "%s", enc->stats_out);
1303 pkt.data= bit_buffer;
1305 if(enc->coded_frame)
1306 pkt.pts= enc->coded_frame->pts;
1307 av_interleaved_write_frame(os, &pkt);
1321 * The following code is the main loop of the file converter
1323 static int av_encode(AVFormatContext **output_files,
1324 int nb_output_files,
1325 AVFormatContext **input_files,
1327 AVStreamMap *stream_maps, int nb_stream_maps)
1329 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1330 AVFormatContext *is, *os;
1331 AVCodecContext *codec, *icodec;
1332 AVOutputStream *ost, **ost_table = NULL;
1333 AVInputStream *ist, **ist_table = NULL;
1334 AVInputFile *file_table;
1335 AVFormatContext *stream_no_data;
1338 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1343 bit_buffer = av_malloc(VIDEO_BUFFER_SIZE);
1347 /* input stream init */
1349 for(i=0;i<nb_input_files;i++) {
1350 is = input_files[i];
1351 file_table[i].ist_index = j;
1352 file_table[i].nb_streams = is->nb_streams;
1353 j += is->nb_streams;
1357 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1361 for(i=0;i<nb_istreams;i++) {
1362 ist = av_mallocz(sizeof(AVInputStream));
1368 for(i=0;i<nb_input_files;i++) {
1369 is = input_files[i];
1370 for(k=0;k<is->nb_streams;k++) {
1371 ist = ist_table[j++];
1372 ist->st = is->streams[k];
1373 ist->file_index = i;
1375 ist->discard = 1; /* the stream is discarded by default
1378 if (ist->st->codec.rate_emu) {
1379 ist->start = av_gettime();
1385 /* output stream init */
1387 for(i=0;i<nb_output_files;i++) {
1388 os = output_files[i];
1389 nb_ostreams += os->nb_streams;
1391 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1392 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1396 /* Sanity check the mapping args -- do the input files & streams exist? */
1397 for(i=0;i<nb_stream_maps;i++) {
1398 int fi = stream_maps[i].file_index;
1399 int si = stream_maps[i].stream_index;
1401 if (fi < 0 || fi > nb_input_files - 1 ||
1402 si < 0 || si > file_table[fi].nb_streams - 1) {
1403 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1408 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1411 for(i=0;i<nb_ostreams;i++) {
1412 ost = av_mallocz(sizeof(AVOutputStream));
1419 for(k=0;k<nb_output_files;k++) {
1420 os = output_files[k];
1421 for(i=0;i<os->nb_streams;i++) {
1423 ost = ost_table[n++];
1424 ost->file_index = k;
1426 ost->st = os->streams[i];
1427 if (nb_stream_maps > 0) {
1428 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1429 stream_maps[n-1].stream_index;
1431 /* Sanity check that the stream types match */
1432 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1433 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1434 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1435 ost->file_index, ost->index);
1440 /* get corresponding input stream index : we select the first one with the right type */
1442 for(j=0;j<nb_istreams;j++) {
1445 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1446 ost->source_index = j;
1453 /* try again and reuse existing stream */
1454 for(j=0;j<nb_istreams;j++) {
1456 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1457 ost->source_index = j;
1462 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1463 ost->file_index, ost->index);
1468 ist = ist_table[ost->source_index];
1473 /* for each output stream, we compute the right encoding parameters */
1474 for(i=0;i<nb_ostreams;i++) {
1476 ist = ist_table[ost->source_index];
1478 codec = &ost->st->codec;
1479 icodec = &ist->st->codec;
1481 if (ost->st->stream_copy) {
1482 /* if stream_copy is selected, no need to decode or encode */
1483 codec->codec_id = icodec->codec_id;
1484 codec->codec_type = icodec->codec_type;
1485 codec->codec_tag = icodec->codec_tag;
1486 codec->bit_rate = icodec->bit_rate;
1487 switch(codec->codec_type) {
1488 case CODEC_TYPE_AUDIO:
1489 codec->sample_rate = icodec->sample_rate;
1490 codec->channels = icodec->channels;
1491 codec->frame_size = icodec->frame_size;
1493 case CODEC_TYPE_VIDEO:
1494 codec->frame_rate = icodec->frame_rate;
1495 codec->frame_rate_base = icodec->frame_rate_base;
1496 codec->width = icodec->width;
1497 codec->height = icodec->height;
1503 switch(codec->codec_type) {
1504 case CODEC_TYPE_AUDIO:
1505 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1508 if (codec->channels == icodec->channels &&
1509 codec->sample_rate == icodec->sample_rate) {
1510 ost->audio_resample = 0;
1512 if (codec->channels != icodec->channels &&
1513 (icodec->codec_id == CODEC_ID_AC3 ||
1514 icodec->codec_id == CODEC_ID_DTS)) {
1515 /* Special case for 5:1 AC3 and DTS input */
1516 /* and mono or stereo output */
1517 /* Request specific number of channels */
1518 icodec->channels = codec->channels;
1519 if (codec->sample_rate == icodec->sample_rate)
1520 ost->audio_resample = 0;
1522 ost->audio_resample = 1;
1525 ost->audio_resample = 1;
1528 if(audio_sync_method>1)
1529 ost->audio_resample = 1;
1531 if(ost->audio_resample){
1532 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1533 codec->sample_rate, icodec->sample_rate);
1535 printf("Can't resample. Aborting.\n");
1539 ist->decoding_needed = 1;
1540 ost->encoding_needed = 1;
1542 case CODEC_TYPE_VIDEO:
1543 if (codec->width == icodec->width &&
1544 codec->height == icodec->height &&
1545 frame_topBand == 0 &&
1546 frame_bottomBand == 0 &&
1547 frame_leftBand == 0 &&
1548 frame_rightBand == 0 &&
1549 frame_padtop == 0 &&
1550 frame_padbottom == 0 &&
1551 frame_padleft == 0 &&
1552 frame_padright == 0)
1554 ost->video_resample = 0;
1555 ost->video_crop = 0;
1557 } else if ((codec->width == icodec->width -
1558 (frame_leftBand + frame_rightBand)) &&
1559 (codec->height == icodec->height -
1560 (frame_topBand + frame_bottomBand)))
1562 ost->video_resample = 0;
1563 ost->video_crop = 1;
1564 ost->topBand = frame_topBand;
1565 ost->leftBand = frame_leftBand;
1566 } else if ((codec->width == icodec->width +
1567 (frame_padleft + frame_padright)) &&
1568 (codec->height == icodec->height +
1569 (frame_padtop + frame_padbottom))) {
1570 ost->video_resample = 0;
1571 ost->video_crop = 0;
1573 ost->padtop = frame_padtop;
1574 ost->padleft = frame_padleft;
1575 ost->padbottom = frame_padbottom;
1576 ost->padright = frame_padright;
1577 avcodec_get_frame_defaults(&ost->pict_tmp);
1578 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1579 codec->width, codec->height ) )
1582 ost->video_resample = 1;
1583 ost->video_crop = 0; // cropping is handled as part of resample
1584 avcodec_get_frame_defaults(&ost->pict_tmp);
1585 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1586 codec->width, codec->height ) )
1589 ost->img_resample_ctx = img_resample_full_init(
1590 ost->st->codec.width, ost->st->codec.height,
1591 ist->st->codec.width, ist->st->codec.height,
1592 frame_topBand, frame_bottomBand,
1593 frame_leftBand, frame_rightBand,
1594 frame_padtop, frame_padbottom,
1595 frame_padleft, frame_padright);
1597 ost->padtop = frame_padtop;
1598 ost->padleft = frame_padleft;
1599 ost->padbottom = frame_padbottom;
1600 ost->padright = frame_padright;
1603 ost->encoding_needed = 1;
1604 ist->decoding_needed = 1;
1610 if (ost->encoding_needed &&
1611 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1612 char logfilename[1024];
1617 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1619 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1620 if (codec->flags & CODEC_FLAG_PASS1) {
1621 f = fopen(logfilename, "w");
1623 perror(logfilename);
1628 /* read the log file */
1629 f = fopen(logfilename, "r");
1631 perror(logfilename);
1634 fseek(f, 0, SEEK_END);
1636 fseek(f, 0, SEEK_SET);
1637 logbuffer = av_malloc(size + 1);
1639 fprintf(stderr, "Could not allocate log buffer\n");
1642 size = fread(logbuffer, 1, size, f);
1644 logbuffer[size] = '\0';
1645 codec->stats_in = logbuffer;
1651 /* dump the file output parameters - cannot be done before in case
1653 for(i=0;i<nb_output_files;i++) {
1654 dump_format(output_files[i], i, output_files[i]->filename, 1);
1657 /* dump the stream mapping */
1659 fprintf(stderr, "Stream mapping:\n");
1660 for(i=0;i<nb_ostreams;i++) {
1662 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1663 ist_table[ost->source_index]->file_index,
1664 ist_table[ost->source_index]->index,
1670 /* open each encoder */
1671 for(i=0;i<nb_ostreams;i++) {
1673 if (ost->encoding_needed) {
1675 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1677 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1678 ost->file_index, ost->index);
1681 if (avcodec_open(&ost->st->codec, codec) < 0) {
1682 fprintf(stderr, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1683 ost->file_index, ost->index);
1686 extra_size += ost->st->codec.extradata_size;
1690 /* open each decoder */
1691 for(i=0;i<nb_istreams;i++) {
1693 if (ist->decoding_needed) {
1695 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1697 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1698 ist->st->codec.codec_id, ist->file_index, ist->index);
1701 if (avcodec_open(&ist->st->codec, codec) < 0) {
1702 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1703 ist->file_index, ist->index);
1706 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1707 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1712 for(i=0;i<nb_istreams;i++) {
1714 is = input_files[ist->file_index];
1716 ist->next_pts = ist->st->start_time;
1717 if(ist->next_pts == AV_NOPTS_VALUE)
1722 /* compute buffer size max (should use a complete heuristic) */
1723 for(i=0;i<nb_input_files;i++) {
1724 file_table[i].buffer_size_max = 2048;
1727 /* set meta data information from input file if required */
1728 for (i=0;i<nb_meta_data_maps;i++) {
1729 AVFormatContext *out_file;
1730 AVFormatContext *in_file;
1732 int out_file_index = meta_data_maps[i].out_file;
1733 int in_file_index = meta_data_maps[i].in_file;
1734 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1735 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1739 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1740 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1745 out_file = output_files[out_file_index];
1746 in_file = input_files[in_file_index];
1748 strcpy(out_file->title, in_file->title);
1749 strcpy(out_file->author, in_file->author);
1750 strcpy(out_file->copyright, in_file->copyright);
1751 strcpy(out_file->comment, in_file->comment);
1752 strcpy(out_file->album, in_file->album);
1753 out_file->year = in_file->year;
1754 out_file->track = in_file->track;
1755 strcpy(out_file->genre, in_file->genre);
1758 /* open files and write file headers */
1759 for(i=0;i<nb_output_files;i++) {
1760 os = output_files[i];
1761 if (av_write_header(os) < 0) {
1762 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1768 #ifndef CONFIG_WIN32
1769 if ( !using_stdin && verbose >= 0) {
1770 fprintf(stderr, "Press [q] to stop encoding\n");
1771 url_set_interrupt_cb(decode_interrupt_cb);
1779 for(; received_sigterm == 0;) {
1780 int file_index, ist_index;
1788 /* if 'q' pressed, exits */
1792 /* read_key() returns 0 on EOF */
1798 /* select the stream that we must read now by looking at the
1799 smallest output pts */
1801 for(i=0;i<nb_ostreams;i++) {
1804 os = output_files[ost->file_index];
1805 ist = ist_table[ost->source_index];
1806 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1807 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1809 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1810 ipts = (double)ist->pts;
1811 if (!file_table[ist->file_index].eof_reached){
1812 if(ipts < ipts_min) {
1814 if(input_sync ) file_index = ist->file_index;
1816 if(opts < opts_min) {
1818 if(!input_sync) file_index = ist->file_index;
1822 /* if none, if is finished */
1823 if (file_index < 0) {
1827 /* finish if recording time exhausted */
1828 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1831 /* read a frame from it and output it in the fifo */
1832 is = input_files[file_index];
1833 if (av_read_frame(is, &pkt) < 0) {
1834 file_table[file_index].eof_reached = 1;
1839 stream_no_data = is;
1844 av_pkt_dump(stdout, &pkt, do_hex_dump);
1846 /* the following test is needed in case new streams appear
1847 dynamically in stream : we ignore them */
1848 if (pkt.stream_index >= file_table[file_index].nb_streams)
1849 goto discard_packet;
1850 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1851 ist = ist_table[ist_index];
1853 goto discard_packet;
1855 // fprintf(stderr, "next:%lld dts:%lld off:%lld %d\n", ist->next_pts, pkt.dts, input_files_ts_offset[ist->file_index], ist->st->codec.codec_type);
1856 if (pkt.dts != AV_NOPTS_VALUE) {
1857 int64_t delta= pkt.dts - ist->next_pts;
1858 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1859 input_files_ts_offset[ist->file_index]-= delta;
1861 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1862 for(i=0; i<file_table[file_index].nb_streams; i++){
1863 int index= file_table[file_index].ist_index + i;
1864 ist_table[index]->next_pts += delta;
1865 ist_table[index]->is_start=1;
1870 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1871 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1874 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1875 ist->file_index, ist->index);
1877 av_free_packet(&pkt);
1882 av_free_packet(&pkt);
1884 /* dump report by using the output first video and audio streams */
1885 print_report(output_files, ost_table, nb_ostreams, 0);
1888 /* at the end of stream, we must flush the decoder buffers */
1889 for(i=0;i<nb_istreams;i++) {
1891 if (ist->decoding_needed) {
1892 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1898 /* write the trailer if needed and close file */
1899 for(i=0;i<nb_output_files;i++) {
1900 os = output_files[i];
1901 av_write_trailer(os);
1904 /* dump report by using the first video and audio streams */
1905 print_report(output_files, ost_table, nb_ostreams, 1);
1907 /* close each encoder */
1908 for(i=0;i<nb_ostreams;i++) {
1910 if (ost->encoding_needed) {
1911 av_freep(&ost->st->codec.stats_in);
1912 avcodec_close(&ost->st->codec);
1916 /* close each decoder */
1917 for(i=0;i<nb_istreams;i++) {
1919 if (ist->decoding_needed) {
1920 avcodec_close(&ist->st->codec);
1928 av_free(file_table);
1931 for(i=0;i<nb_istreams;i++) {
1938 for(i=0;i<nb_ostreams;i++) {
1942 fclose(ost->logfile);
1943 ost->logfile = NULL;
1945 fifo_free(&ost->fifo); /* works even if fifo is not
1946 initialized but set to zero */
1947 av_free(ost->pict_tmp.data[0]);
1948 if (ost->video_resample)
1949 img_resample_close(ost->img_resample_ctx);
1950 if (ost->audio_resample)
1951 audio_resample_close(ost->resample);
1964 int file_read(const char *filename)
1967 unsigned char buffer[1024];
1970 if (url_open(&h, filename, O_RDONLY) < 0) {
1971 printf("could not open '%s'\n", filename);
1975 len = url_read(h, buffer, sizeof(buffer));
1978 for(i=0;i<len;i++) putchar(buffer[i]);
1985 static void opt_image_format(const char *arg)
1989 for(f = first_image_format; f != NULL; f = f->next) {
1990 if (!strcmp(arg, f->name))
1994 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2000 static void opt_format(const char *arg)
2002 /* compatibility stuff for pgmyuv */
2003 if (!strcmp(arg, "pgmyuv")) {
2004 opt_image_format(arg);
2008 file_iformat = av_find_input_format(arg);
2009 file_oformat = guess_format(arg, NULL, NULL);
2010 if (!file_iformat && !file_oformat) {
2011 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2016 static void opt_video_bitrate(const char *arg)
2018 video_bit_rate = atoi(arg) * 1000;
2021 static void opt_video_bitrate_tolerance(const char *arg)
2023 video_bit_rate_tolerance = atoi(arg) * 1000;
2026 static void opt_video_bitrate_max(const char *arg)
2028 video_rc_max_rate = atoi(arg) * 1000;
2031 static void opt_video_bitrate_min(const char *arg)
2033 video_rc_min_rate = atoi(arg) * 1000;
2036 static void opt_video_buffer_size(const char *arg)
2038 video_rc_buffer_size = atoi(arg) * 8*1024;
2041 static void opt_video_rc_eq(char *arg)
2046 static void opt_video_rc_override_string(char *arg)
2048 video_rc_override_string = arg;
2052 static void opt_workaround_bugs(const char *arg)
2054 workaround_bugs = atoi(arg);
2057 static void opt_dct_algo(const char *arg)
2059 dct_algo = atoi(arg);
2062 static void opt_idct_algo(const char *arg)
2064 idct_algo = atoi(arg);
2067 static void opt_me_threshold(const char *arg)
2069 me_threshold = atoi(arg);
2072 static void opt_mb_threshold(const char *arg)
2074 mb_threshold = atoi(arg);
2077 static void opt_error_resilience(const char *arg)
2079 error_resilience = atoi(arg);
2082 static void opt_error_concealment(const char *arg)
2084 error_concealment = atoi(arg);
2087 static void opt_debug(const char *arg)
2092 static void opt_vismv(const char *arg)
2094 debug_mv = atoi(arg);
2097 static void opt_verbose(const char *arg)
2099 verbose = atoi(arg);
2100 av_log_set_level(atoi(arg));
2103 static void opt_frame_rate(const char *arg)
2105 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2106 fprintf(stderr, "Incorrect frame rate\n");
2111 static void opt_frame_crop_top(const char *arg)
2113 frame_topBand = atoi(arg);
2114 if (frame_topBand < 0) {
2115 fprintf(stderr, "Incorrect top crop size\n");
2118 if ((frame_topBand % 2) != 0) {
2119 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2122 if ((frame_topBand) >= frame_height){
2123 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2126 frame_height -= frame_topBand;
2129 static void opt_frame_crop_bottom(const char *arg)
2131 frame_bottomBand = atoi(arg);
2132 if (frame_bottomBand < 0) {
2133 fprintf(stderr, "Incorrect bottom crop size\n");
2136 if ((frame_bottomBand % 2) != 0) {
2137 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2140 if ((frame_bottomBand) >= frame_height){
2141 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2144 frame_height -= frame_bottomBand;
2147 static void opt_frame_crop_left(const char *arg)
2149 frame_leftBand = atoi(arg);
2150 if (frame_leftBand < 0) {
2151 fprintf(stderr, "Incorrect left crop size\n");
2154 if ((frame_leftBand % 2) != 0) {
2155 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2158 if ((frame_leftBand) >= frame_width){
2159 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2162 frame_width -= frame_leftBand;
2165 static void opt_frame_crop_right(const char *arg)
2167 frame_rightBand = atoi(arg);
2168 if (frame_rightBand < 0) {
2169 fprintf(stderr, "Incorrect right crop size\n");
2172 if ((frame_rightBand % 2) != 0) {
2173 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2176 if ((frame_rightBand) >= frame_width){
2177 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2180 frame_width -= frame_rightBand;
2183 static void opt_frame_size(const char *arg)
2185 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2186 fprintf(stderr, "Incorrect frame size\n");
2189 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2190 fprintf(stderr, "Frame size must be a multiple of 2\n");
2196 #define SCALEBITS 10
2197 #define ONE_HALF (1 << (SCALEBITS - 1))
2198 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2200 #define RGB_TO_Y(r, g, b) \
2201 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2202 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2204 #define RGB_TO_U(r1, g1, b1, shift)\
2205 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2206 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2208 #define RGB_TO_V(r1, g1, b1, shift)\
2209 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2210 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2212 static void opt_pad_color(const char *arg) {
2213 /* Input is expected to be six hex digits similar to
2214 how colors are expressed in html tags (but without the #) */
2215 int rgb = strtol(arg, NULL, 16);
2219 g = ((rgb >> 8) & 255);
2222 padcolor[0] = RGB_TO_Y(r,g,b);
2223 padcolor[1] = RGB_TO_U(r,g,b,0);
2224 padcolor[2] = RGB_TO_V(r,g,b,0);
2227 static void opt_frame_pad_top(const char *arg)
2229 frame_padtop = atoi(arg);
2230 if (frame_padtop < 0) {
2231 fprintf(stderr, "Incorrect top pad size\n");
2234 if ((frame_padtop % 2) != 0) {
2235 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2240 static void opt_frame_pad_bottom(const char *arg)
2242 frame_padbottom = atoi(arg);
2243 if (frame_padbottom < 0) {
2244 fprintf(stderr, "Incorrect bottom pad size\n");
2247 if ((frame_padbottom % 2) != 0) {
2248 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2254 static void opt_frame_pad_left(const char *arg)
2256 frame_padleft = atoi(arg);
2257 if (frame_padleft < 0) {
2258 fprintf(stderr, "Incorrect left pad size\n");
2261 if ((frame_padleft % 2) != 0) {
2262 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2268 static void opt_frame_pad_right(const char *arg)
2270 frame_padright = atoi(arg);
2271 if (frame_padright < 0) {
2272 fprintf(stderr, "Incorrect right pad size\n");
2275 if ((frame_padright % 2) != 0) {
2276 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2282 static void opt_frame_pix_fmt(const char *arg)
2284 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2287 static void opt_frame_aspect_ratio(const char *arg)
2293 p = strchr(arg, ':');
2295 x = strtol(arg, (char **)&arg, 10);
2297 y = strtol(arg+1, (char **)&arg, 10);
2299 ar = (double)x / (double)y;
2301 ar = strtod(arg, (char **)&arg);
2304 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2307 frame_aspect_ratio = ar;
2310 static void opt_gop_size(const char *arg)
2312 gop_size = atoi(arg);
2315 static void opt_b_frames(const char *arg)
2317 b_frames = atoi(arg);
2318 if (b_frames > FF_MAX_B_FRAMES) {
2319 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2321 } else if (b_frames < 1) {
2322 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2327 static void opt_mb_decision(const char *arg)
2329 mb_decision = atoi(arg);
2332 static void opt_mb_cmp(const char *arg)
2337 static void opt_ildct_cmp(const char *arg)
2339 ildct_cmp = atoi(arg);
2342 static void opt_sub_cmp(const char *arg)
2344 sub_cmp = atoi(arg);
2347 static void opt_cmp(const char *arg)
2352 static void opt_pre_cmp(const char *arg)
2354 pre_cmp = atoi(arg);
2357 static void opt_pre_me(const char *arg)
2362 static void opt_lumi_mask(const char *arg)
2364 lumi_mask = atof(arg);
2367 static void opt_dark_mask(const char *arg)
2369 dark_mask = atof(arg);
2372 static void opt_scplx_mask(const char *arg)
2374 scplx_mask = atof(arg);
2377 static void opt_tcplx_mask(const char *arg)
2379 tcplx_mask = atof(arg);
2382 static void opt_p_mask(const char *arg)
2387 static void opt_qscale(const char *arg)
2389 video_qscale = atof(arg);
2390 if (video_qscale < 0.01 ||
2391 video_qscale > 255) {
2392 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2397 static void opt_lmax(const char *arg)
2399 video_lmax = atof(arg)*FF_QP2LAMBDA;
2402 static void opt_lmin(const char *arg)
2404 video_lmin = atof(arg)*FF_QP2LAMBDA;
2407 static void opt_qmin(const char *arg)
2409 video_qmin = atoi(arg);
2410 if (video_qmin < 0 ||
2412 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2417 static void opt_qmax(const char *arg)
2419 video_qmax = atoi(arg);
2420 if (video_qmax < 0 ||
2422 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2427 static void opt_mb_qmin(const char *arg)
2429 video_mb_qmin = atoi(arg);
2430 if (video_mb_qmin < 0 ||
2431 video_mb_qmin > 31) {
2432 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2437 static void opt_mb_qmax(const char *arg)
2439 video_mb_qmax = atoi(arg);
2440 if (video_mb_qmax < 0 ||
2441 video_mb_qmax > 31) {
2442 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2447 static void opt_qdiff(const char *arg)
2449 video_qdiff = atoi(arg);
2450 if (video_qdiff < 0 ||
2452 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2457 static void opt_qblur(const char *arg)
2459 video_qblur = atof(arg);
2462 static void opt_qcomp(const char *arg)
2464 video_qcomp = atof(arg);
2467 static void opt_rc_initial_cplx(const char *arg)
2469 video_rc_initial_cplx = atof(arg);
2471 static void opt_b_qfactor(const char *arg)
2473 video_b_qfactor = atof(arg);
2475 static void opt_i_qfactor(const char *arg)
2477 video_i_qfactor = atof(arg);
2479 static void opt_b_qoffset(const char *arg)
2481 video_b_qoffset = atof(arg);
2483 static void opt_i_qoffset(const char *arg)
2485 video_i_qoffset = atof(arg);
2488 static void opt_ibias(const char *arg)
2490 video_intra_quant_bias = atoi(arg);
2492 static void opt_pbias(const char *arg)
2494 video_inter_quant_bias = atoi(arg);
2497 static void opt_packet_size(const char *arg)
2499 packet_size= atoi(arg);
2502 static void opt_error_rate(const char *arg)
2504 error_rate= atoi(arg);
2507 static void opt_strict(const char *arg)
2512 static void opt_top_field_first(const char *arg)
2514 top_field_first= atoi(arg);
2517 static void opt_noise_reduction(const char *arg)
2519 noise_reduction= atoi(arg);
2522 static void opt_qns(const char *arg)
2527 static void opt_sc_threshold(const char *arg)
2529 sc_threshold= atoi(arg);
2532 static void opt_me_range(const char *arg)
2534 me_range = atoi(arg);
2537 static void opt_thread_count(const char *arg)
2539 thread_count= atoi(arg);
2540 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2542 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2546 static void opt_audio_bitrate(const char *arg)
2548 audio_bit_rate = atoi(arg) * 1000;
2551 static void opt_audio_rate(const char *arg)
2553 audio_sample_rate = atoi(arg);
2556 static void opt_audio_channels(const char *arg)
2558 audio_channels = atoi(arg);
2561 static void opt_video_device(const char *arg)
2563 video_device = av_strdup(arg);
2566 static void opt_video_channel(const char *arg)
2568 video_channel = strtol(arg, NULL, 0);
2571 static void opt_video_standard(const char *arg)
2573 video_standard = av_strdup(arg);
2576 static void opt_audio_device(const char *arg)
2578 audio_device = av_strdup(arg);
2581 static void opt_dv1394(const char *arg)
2583 video_grab_format = "dv1394";
2584 audio_grab_format = NULL;
2587 static void opt_audio_codec(const char *arg)
2591 if (!strcmp(arg, "copy")) {
2592 audio_stream_copy = 1;
2596 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2601 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2604 audio_codec_id = p->id;
2609 static void add_frame_hooker(const char *arg)
2614 char *args = av_strdup(arg);
2618 argv[0] = strtok(args, " ");
2619 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2622 i = frame_hook_add(argc, argv);
2625 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2630 const char *motion_str[] = {
2640 static void opt_motion_estimation(const char *arg)
2646 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2649 if (!strcmp(*p, arg))
2653 me_method = (p - motion_str) + 1;
2656 static void opt_video_codec(const char *arg)
2660 if (!strcmp(arg, "copy")) {
2661 video_stream_copy = 1;
2665 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2670 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2673 video_codec_id = p->id;
2678 static void opt_map(const char *arg)
2684 m = &stream_maps[nb_stream_maps++];
2686 m->file_index = strtol(arg, (char **)&p, 0);
2690 m->stream_index = strtol(p, (char **)&p, 0);
2693 static void opt_map_meta_data(const char *arg)
2699 m = &meta_data_maps[nb_meta_data_maps++];
2701 m->out_file = strtol(arg, (char **)&p, 0);
2705 m->in_file = strtol(p, (char **)&p, 0);
2708 static void opt_recording_time(const char *arg)
2710 recording_time = parse_date(arg, 1);
2713 static void opt_start_time(const char *arg)
2715 start_time = parse_date(arg, 1);
2718 static void opt_rec_timestamp(const char *arg)
2720 rec_timestamp = parse_date(arg, 0) / 1000000;
2723 static void opt_input_ts_offset(const char *arg)
2725 input_ts_offset = parse_date(arg, 1);
2728 static void opt_input_file(const char *filename)
2730 AVFormatContext *ic;
2731 AVFormatParameters params, *ap = ¶ms;
2732 int err, i, ret, rfps, rfps_base;
2735 if (!strcmp(filename, "-"))
2738 using_stdin |= !strcmp(filename, "pipe:" ) ||
2739 !strcmp( filename, "/dev/stdin" );
2741 /* get default parameters from command line */
2742 memset(ap, 0, sizeof(*ap));
2743 ap->sample_rate = audio_sample_rate;
2744 ap->channels = audio_channels;
2745 ap->frame_rate = frame_rate;
2746 ap->frame_rate_base = frame_rate_base;
2747 ap->width = frame_width + frame_padleft + frame_padright;
2748 ap->height = frame_height + frame_padtop + frame_padbottom;
2749 ap->image_format = image_format;
2750 ap->pix_fmt = frame_pix_fmt;
2752 /* open the input file with generic libav function */
2753 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2755 print_error(filename, err);
2759 /* If not enough info to get the stream parameters, we decode the
2760 first frames to get it. (used in mpeg case for example) */
2761 ret = av_find_stream_info(ic);
2762 if (ret < 0 && verbose >= 0) {
2763 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2767 timestamp = start_time;
2768 /* add the stream start time */
2769 if (ic->start_time != AV_NOPTS_VALUE)
2770 timestamp += ic->start_time;
2772 /* if seeking requested, we execute it */
2773 if (start_time != 0) {
2774 ret = av_seek_frame(ic, -1, timestamp);
2776 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2777 filename, (double)timestamp / AV_TIME_BASE);
2779 /* reset seek info */
2783 /* update the current parameters so that they match the one of the input stream */
2784 for(i=0;i<ic->nb_streams;i++) {
2785 AVCodecContext *enc = &ic->streams[i]->codec;
2786 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2788 avcodec_thread_init(enc, thread_count);
2790 enc->thread_count= thread_count;
2791 switch(enc->codec_type) {
2792 case CODEC_TYPE_AUDIO:
2793 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2794 audio_channels = enc->channels;
2795 audio_sample_rate = enc->sample_rate;
2797 case CODEC_TYPE_VIDEO:
2798 frame_height = enc->height;
2799 frame_width = enc->width;
2800 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2801 frame_pix_fmt = enc->pix_fmt;
2802 rfps = ic->streams[i]->r_frame_rate;
2803 rfps_base = ic->streams[i]->r_frame_rate_base;
2804 enc->workaround_bugs = workaround_bugs;
2805 enc->error_resilience = error_resilience;
2806 enc->error_concealment = error_concealment;
2807 enc->idct_algo = idct_algo;
2809 enc->debug_mv = debug_mv;
2810 enc->lowres= lowres;
2812 enc->flags|= CODEC_FLAG_BITEXACT;
2814 enc->debug |= FF_DEBUG_MV;
2816 assert(enc->frame_rate_base == rfps_base); // should be true for now
2817 if (enc->frame_rate != rfps) {
2820 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2821 i, (float)enc->frame_rate / enc->frame_rate_base,
2823 (float)rfps / rfps_base);
2825 /* update the current frame rate to match the stream frame rate */
2827 frame_rate_base = rfps_base;
2829 enc->rate_emu = rate_emu;
2831 case CODEC_TYPE_DATA:
2838 input_files[nb_input_files] = ic;
2839 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2840 /* dump the file content */
2842 dump_format(ic, nb_input_files, filename, 0);
2845 file_iformat = NULL;
2846 file_oformat = NULL;
2847 image_format = NULL;
2852 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2854 int has_video, has_audio, i, j;
2855 AVFormatContext *ic;
2859 for(j=0;j<nb_input_files;j++) {
2860 ic = input_files[j];
2861 for(i=0;i<ic->nb_streams;i++) {
2862 AVCodecContext *enc = &ic->streams[i]->codec;
2863 switch(enc->codec_type) {
2864 case CODEC_TYPE_AUDIO:
2867 case CODEC_TYPE_VIDEO:
2870 case CODEC_TYPE_DATA:
2877 *has_video_ptr = has_video;
2878 *has_audio_ptr = has_audio;
2881 static void opt_output_file(const char *filename)
2884 AVFormatContext *oc;
2885 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
2887 AVFormatParameters params, *ap = ¶ms;
2889 if (!strcmp(filename, "-"))
2892 oc = av_alloc_format_context();
2894 if (!file_oformat) {
2895 file_oformat = guess_format(NULL, filename, NULL);
2896 if (!file_oformat) {
2897 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
2903 oc->oformat = file_oformat;
2905 if (!strcmp(file_oformat->name, "ffm") &&
2906 strstart(filename, "http:", NULL)) {
2907 /* special case for files sent to ffserver: we get the stream
2908 parameters from ffserver */
2909 if (read_ffserver_streams(oc, filename) < 0) {
2910 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
2914 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
2915 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
2917 /* disable if no corresponding type found and at least one
2919 if (nb_input_files > 0) {
2920 check_audio_video_inputs(&input_has_video, &input_has_audio);
2921 if (!input_has_video)
2923 if (!input_has_audio)
2927 /* manual disable */
2928 if (audio_disable) {
2931 if (video_disable) {
2937 AVCodecContext *video_enc;
2939 st = av_new_stream(oc, nb_streams++);
2941 fprintf(stderr, "Could not alloc stream\n");
2944 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2946 avcodec_thread_init(&st->codec, thread_count);
2949 video_enc = &st->codec;
2951 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
2952 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2953 if (video_stream_copy) {
2954 st->stream_copy = 1;
2955 video_enc->codec_type = CODEC_TYPE_VIDEO;
2961 codec_id = file_oformat->video_codec;
2962 if (video_codec_id != CODEC_ID_NONE)
2963 codec_id = video_codec_id;
2965 video_enc->codec_id = codec_id;
2966 codec = avcodec_find_encoder(codec_id);
2968 video_enc->bit_rate = video_bit_rate;
2969 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2970 video_enc->frame_rate = frame_rate;
2971 video_enc->frame_rate_base = frame_rate_base;
2972 if(codec && codec->supported_framerates){
2973 const AVRational *p= codec->supported_framerates;
2974 AVRational req= (AVRational){frame_rate, frame_rate_base};
2975 const AVRational *best=NULL;
2976 AVRational best_error= (AVRational){INT_MAX, 1};
2977 for(; p->den!=0; p++){
2978 AVRational error= av_sub_q(req, *p);
2979 if(error.num <0) error.num *= -1;
2980 if(av_cmp_q(error, best_error) < 0){
2985 video_enc->frame_rate = best->num;
2986 video_enc->frame_rate_base= best->den;
2989 video_enc->width = frame_width + frame_padright + frame_padleft;
2990 video_enc->height = frame_height + frame_padtop + frame_padbottom;
2991 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
2992 video_enc->pix_fmt = frame_pix_fmt;
2994 if(codec && codec->pix_fmts){
2995 const enum PixelFormat *p= codec->pix_fmts;
2997 if(*p == video_enc->pix_fmt)
3001 video_enc->pix_fmt = codec->pix_fmts[0];
3005 video_enc->gop_size = gop_size;
3007 video_enc->gop_size = 0;
3008 if (video_qscale || same_quality) {
3009 video_enc->flags |= CODEC_FLAG_QSCALE;
3010 st->quality = FF_QP2LAMBDA * video_qscale;
3014 video_enc->intra_matrix = intra_matrix;
3016 video_enc->inter_matrix = inter_matrix;
3019 video_enc->flags |= CODEC_FLAG_BITEXACT;
3021 video_enc->mb_decision = mb_decision;
3022 video_enc->mb_cmp = mb_cmp;
3023 video_enc->ildct_cmp = ildct_cmp;
3024 video_enc->me_sub_cmp = sub_cmp;
3025 video_enc->me_cmp = cmp;
3026 video_enc->me_pre_cmp = pre_cmp;
3027 video_enc->pre_me = pre_me;
3028 video_enc->lumi_masking = lumi_mask;
3029 video_enc->dark_masking = dark_mask;
3030 video_enc->spatial_cplx_masking = scplx_mask;
3031 video_enc->temporal_cplx_masking = tcplx_mask;
3032 video_enc->p_masking = p_mask;
3033 video_enc->quantizer_noise_shaping= qns;
3036 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3039 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3042 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3045 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3048 video_enc->flags |= CODEC_FLAG_4MV;
3051 video_enc->flags |= CODEC_FLAG_OBMC;
3054 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3058 video_enc->flags |= CODEC_FLAG_PART;
3061 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3064 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3066 if (use_scan_offset) {
3067 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3070 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3073 video_enc->flags |= CODEC_FLAG_QPEL;
3076 video_enc->flags |= CODEC_FLAG_QP_RD;
3079 video_enc->flags |= CODEC_FLAG_CBP_RD;
3082 video_enc->max_b_frames = b_frames;
3083 video_enc->b_frame_strategy = 0;
3084 video_enc->b_quant_factor = 2.0;
3086 if (do_interlace_dct) {
3087 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3089 if (do_interlace_me) {
3090 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3092 video_enc->qmin = video_qmin;
3093 video_enc->qmax = video_qmax;
3094 video_enc->lmin = video_lmin;
3095 video_enc->lmax = video_lmax;
3096 video_enc->mb_qmin = video_mb_qmin;
3097 video_enc->mb_qmax = video_mb_qmax;
3098 video_enc->max_qdiff = video_qdiff;
3099 video_enc->qblur = video_qblur;
3100 video_enc->qcompress = video_qcomp;
3101 video_enc->rc_eq = video_rc_eq;
3102 video_enc->debug = debug;
3103 video_enc->debug_mv = debug_mv;
3104 video_enc->thread_count = thread_count;
3105 p= video_rc_override_string;
3108 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3110 fprintf(stderr, "error parsing rc_override\n");
3113 video_enc->rc_override=
3114 av_realloc(video_enc->rc_override,
3115 sizeof(RcOverride)*(i+1));
3116 video_enc->rc_override[i].start_frame= start;
3117 video_enc->rc_override[i].end_frame = end;
3119 video_enc->rc_override[i].qscale= q;
3120 video_enc->rc_override[i].quality_factor= 1.0;
3123 video_enc->rc_override[i].qscale= 0;
3124 video_enc->rc_override[i].quality_factor= -q/100.0;
3129 video_enc->rc_override_count=i;
3131 video_enc->rc_max_rate = video_rc_max_rate;
3132 video_enc->rc_min_rate = video_rc_min_rate;
3133 video_enc->rc_buffer_size = video_rc_buffer_size;
3134 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3135 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3136 video_enc->i_quant_factor = video_i_qfactor;
3137 video_enc->b_quant_factor = video_b_qfactor;
3138 video_enc->i_quant_offset = video_i_qoffset;
3139 video_enc->b_quant_offset = video_b_qoffset;
3140 video_enc->intra_quant_bias = video_intra_quant_bias;
3141 video_enc->inter_quant_bias = video_inter_quant_bias;
3142 video_enc->dct_algo = dct_algo;
3143 video_enc->idct_algo = idct_algo;
3144 video_enc->me_threshold= me_threshold;
3145 video_enc->mb_threshold= mb_threshold;
3146 video_enc->intra_dc_precision= intra_dc_precision - 8;
3147 video_enc->strict_std_compliance = strict;
3148 video_enc->error_rate = error_rate;
3149 video_enc->noise_reduction= noise_reduction;
3150 video_enc->scenechange_threshold= sc_threshold;
3151 video_enc->me_range = me_range;
3152 video_enc->coder_type= coder;
3153 video_enc->context_model= context;
3154 video_enc->prediction_method= predictor;
3155 video_enc->profile= video_profile;
3156 video_enc->level= video_level;
3157 video_enc->nsse_weight= nsse_weight;
3158 video_enc->me_subpel_quality= subpel_quality;
3161 video_enc->rtp_mode= 1;
3162 video_enc->rtp_payload_size= packet_size;
3166 video_enc->flags|= CODEC_FLAG_PSNR;
3168 video_enc->me_method = me_method;
3173 video_enc->flags |= CODEC_FLAG_PASS1;
3175 video_enc->flags |= CODEC_FLAG_PASS2;
3182 AVCodecContext *audio_enc;
3184 st = av_new_stream(oc, nb_streams++);
3186 fprintf(stderr, "Could not alloc stream\n");
3189 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3191 avcodec_thread_init(&st->codec, thread_count);
3194 audio_enc = &st->codec;
3195 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3197 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3198 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3199 if (audio_stream_copy) {
3200 st->stream_copy = 1;
3201 audio_enc->channels = audio_channels;
3203 codec_id = file_oformat->audio_codec;
3204 if (audio_codec_id != CODEC_ID_NONE)
3205 codec_id = audio_codec_id;
3206 audio_enc->codec_id = codec_id;
3208 audio_enc->bit_rate = audio_bit_rate;
3209 audio_enc->strict_std_compliance = strict;
3210 audio_enc->thread_count = thread_count;
3211 /* For audio codecs other than AC3 or DTS we limit */
3212 /* the number of coded channels to stereo */
3213 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3214 && codec_id != CODEC_ID_DTS) {
3215 audio_enc->channels = 2;
3217 audio_enc->channels = audio_channels;
3219 audio_enc->sample_rate = audio_sample_rate;
3222 oc->nb_streams = nb_streams;
3225 fprintf(stderr, "No audio or video streams available\n");
3229 oc->timestamp = rec_timestamp;
3232 pstrcpy(oc->title, sizeof(oc->title), str_title);
3234 pstrcpy(oc->author, sizeof(oc->author), str_author);
3236 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3238 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3241 output_files[nb_output_files++] = oc;
3243 strcpy(oc->filename, filename);
3245 /* check filename in case of an image number is expected */
3246 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3247 if (filename_number_test(oc->filename) < 0) {
3248 print_error(oc->filename, AVERROR_NUMEXPECTED);
3253 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3254 /* test if it already exists to avoid loosing precious files */
3255 if (!file_overwrite &&
3256 (strchr(filename, ':') == NULL ||
3257 strstart(filename, "file:", NULL))) {
3258 if (url_exist(filename)) {
3261 if ( !using_stdin ) {
3262 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3265 if (toupper(c) != 'Y') {
3266 fprintf(stderr, "Not overwriting - exiting\n");
3271 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3278 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3279 fprintf(stderr, "Could not open '%s'\n", filename);
3284 memset(ap, 0, sizeof(*ap));
3285 ap->image_format = image_format;
3286 if (av_set_parameters(oc, ap) < 0) {
3287 fprintf(stderr, "%s: Invalid encoding parameters\n",
3292 /* reset some options */
3293 file_oformat = NULL;
3294 file_iformat = NULL;
3295 image_format = NULL;
3298 audio_codec_id = CODEC_ID_NONE;
3299 video_codec_id = CODEC_ID_NONE;
3300 audio_stream_copy = 0;
3301 video_stream_copy = 0;
3304 /* prepare dummy protocols for grab */
3305 static void prepare_grab(void)
3307 int has_video, has_audio, i, j;
3308 AVFormatContext *oc;
3309 AVFormatContext *ic;
3310 AVFormatParameters vp1, *vp = &vp1;
3311 AVFormatParameters ap1, *ap = &ap1;
3313 /* see if audio/video inputs are needed */
3316 memset(ap, 0, sizeof(*ap));
3317 memset(vp, 0, sizeof(*vp));
3318 vp->frame_rate_base= 1;
3319 for(j=0;j<nb_output_files;j++) {
3320 oc = output_files[j];
3321 for(i=0;i<oc->nb_streams;i++) {
3322 AVCodecContext *enc = &oc->streams[i]->codec;
3323 switch(enc->codec_type) {
3324 case CODEC_TYPE_AUDIO:
3325 if (enc->sample_rate > ap->sample_rate)
3326 ap->sample_rate = enc->sample_rate;
3327 if (enc->channels > ap->channels)
3328 ap->channels = enc->channels;
3331 case CODEC_TYPE_VIDEO:
3332 if (enc->width > vp->width)
3333 vp->width = enc->width;
3334 if (enc->height > vp->height)
3335 vp->height = enc->height;
3337 if (vp->frame_rate_base*(int64_t)enc->frame_rate > enc->frame_rate_base*(int64_t)vp->frame_rate){
3338 vp->frame_rate = enc->frame_rate;
3339 vp->frame_rate_base = enc->frame_rate_base;
3349 if (has_video == 0 && has_audio == 0) {
3350 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3355 AVInputFormat *fmt1;
3356 fmt1 = av_find_input_format(video_grab_format);
3357 vp->device = video_device;
3358 vp->channel = video_channel;
3359 vp->standard = video_standard;
3360 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3361 fprintf(stderr, "Could not find video grab device\n");
3364 /* If not enough info to get the stream parameters, we decode the
3365 first frames to get it. */
3366 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3367 fprintf(stderr, "Could not find video grab parameters\n");
3370 /* by now video grab has one stream */
3371 ic->streams[0]->r_frame_rate = vp->frame_rate;
3372 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
3373 input_files[nb_input_files] = ic;
3376 dump_format(ic, nb_input_files, "", 0);
3380 if (has_audio && audio_grab_format) {
3381 AVInputFormat *fmt1;
3382 fmt1 = av_find_input_format(audio_grab_format);
3383 ap->device = audio_device;
3384 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
3385 fprintf(stderr, "Could not find audio grab device\n");
3388 input_files[nb_input_files] = ic;
3391 dump_format(ic, nb_input_files, "", 0);
3397 /* same option as mencoder */
3398 static void opt_pass(const char *pass_str)
3401 pass = atoi(pass_str);
3402 if (pass != 1 && pass != 2) {
3403 fprintf(stderr, "pass number can be only 1 or 2\n");
3409 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
3410 static int64_t getutime(void)
3412 return av_gettime();
3415 static int64_t getutime(void)
3417 struct rusage rusage;
3419 getrusage(RUSAGE_SELF, &rusage);
3420 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3424 extern int ffm_nopts;
3426 static void opt_bitexact(void)
3429 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3433 static void show_formats(void)
3435 AVInputFormat *ifmt;
3436 AVOutputFormat *ofmt;
3437 AVImageFormat *image_fmt;
3440 const char **pp, *last_name;
3442 printf("File formats:\n");
3447 const char *name=NULL;
3449 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3450 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3451 strcmp(ofmt->name, last_name)>0){
3456 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3457 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3458 strcmp(ifmt->name, last_name)>0){
3462 if(name && strcmp(ifmt->name, name)==0)
3477 printf("Image formats:\n");
3478 for(image_fmt = first_image_format; image_fmt != NULL;
3479 image_fmt = image_fmt->next) {
3482 image_fmt->img_read ? "D":" ",
3483 image_fmt->img_write ? "E":" ",
3488 printf("Codecs:\n");
3496 for(p = first_avcodec; p != NULL; p = p->next) {
3497 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3498 strcmp(p->name, last_name)>0){
3500 decode= encode= cap=0;
3502 if(p2 && strcmp(p->name, p2->name)==0){
3503 if(p->decode) decode=1;
3504 if(p->encode) encode=1;
3505 cap |= p->capabilities;
3510 last_name= p2->name;
3514 decode ? "D": (/*p2->decoder ? "d":*/" "),
3516 p2->type == CODEC_TYPE_AUDIO ? "A":"V",
3517 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3518 cap & CODEC_CAP_DR1 ? "D":" ",
3519 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3521 /* if(p2->decoder && decode==0)
3522 printf(" use %s for decoding", p2->decoder->name);*/
3527 printf("Supported file protocols:\n");
3528 for(up = first_protocol; up != NULL; up = up->next)
3529 printf(" %s:", up->name);
3532 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3533 printf("Motion estimation methods:\n");
3537 if ((pp - motion_str + 1) == ME_ZERO)
3538 printf("(fastest)");
3539 else if ((pp - motion_str + 1) == ME_FULL)
3540 printf("(slowest)");
3541 else if ((pp - motion_str + 1) == ME_EPZS)
3542 printf("(default)");
3547 "Note, the names of encoders and decoders dont always match, so there are\n"
3548 "several cases where the above table shows encoder only or decoder only entries\n"
3549 "even though both encoding and decoding are supported for example, the h263\n"
3550 "decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3555 void parse_matrix_coeffs(uint16_t *dest, const char *str)
3558 const char *p = str;
3565 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3572 void opt_inter_matrix(const char *arg)
3574 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3575 parse_matrix_coeffs(inter_matrix, arg);
3578 void opt_intra_matrix(const char *arg)
3580 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3581 parse_matrix_coeffs(intra_matrix, arg);
3584 static void opt_target(const char *arg)
3588 if(!strncmp(arg, "pal-", 4)) {
3591 } else if(!strncmp(arg, "ntsc-", 5)) {
3596 /* Calculate FR via float to avoid int overflow */
3597 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
3600 } else if((fr == 29970) || (fr == 23976)) {
3603 /* Try to determine PAL/NTSC by peeking in the input files */
3604 if(nb_input_files) {
3606 for(j = 0; j < nb_input_files; j++) {
3607 for(i = 0; i < input_files[j]->nb_streams; i++) {
3608 AVCodecContext *c = &input_files[j]->streams[i]->codec;
3609 if(c->codec_type != CODEC_TYPE_VIDEO)
3611 fr = c->frame_rate * 1000 / c->frame_rate_base;
3615 } else if((fr == 29970) || (fr == 23976)) {
3625 if(verbose && norm >= 0)
3626 printf("Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3630 fprintf(stderr, "Could not determine norm (PAL/NTSC) for target.\n");
3631 fprintf(stderr, "Please prefix target with \"pal-\" or \"ntsc-\",\n");
3632 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3636 if(!strcmp(arg, "vcd")) {
3638 opt_video_codec("mpeg1video");
3639 opt_audio_codec("mp2");
3642 opt_frame_size(norm ? "352x240" : "352x288");
3644 video_bit_rate = 1150000;
3645 video_rc_max_rate = 1150000;
3646 video_rc_min_rate = 1150000;
3647 video_rc_buffer_size = 40*1024*8;
3649 audio_bit_rate = 224000;
3650 audio_sample_rate = 44100;
3652 } else if(!strcmp(arg, "svcd")) {
3654 opt_video_codec("mpeg2video");
3655 opt_audio_codec("mp2");
3658 opt_frame_size(norm ? "480x480" : "480x576");
3659 opt_gop_size(norm ? "18" : "15");
3661 video_bit_rate = 2040000;
3662 video_rc_max_rate = 2516000;
3663 video_rc_min_rate = 0; //1145000;
3664 video_rc_buffer_size = 224*1024*8;
3665 use_scan_offset = 1;
3667 audio_bit_rate = 224000;
3668 audio_sample_rate = 44100;
3670 } else if(!strcmp(arg, "dvd")) {
3672 opt_video_codec("mpeg2video");
3673 opt_audio_codec("ac3");
3676 opt_frame_size(norm ? "720x480" : "720x576");
3677 opt_gop_size(norm ? "18" : "15");
3679 video_bit_rate = 6000000;
3680 video_rc_max_rate = 9000000;
3681 video_rc_min_rate = 0; //1500000;
3682 video_rc_buffer_size = 224*1024*8;
3684 audio_bit_rate = 448000;
3685 audio_sample_rate = 48000;
3688 fprintf(stderr, "Unknown target: %s\n", arg);
3693 static void show_version(void)
3695 printf("ffmpeg " FFMPEG_VERSION "\n"
3698 avcodec_build(), LIBAVFORMAT_BUILD);
3702 const OptionDef options[] = {
3704 { "L", 0, {(void*)show_license}, "show license" },
3705 { "h", 0, {(void*)show_help}, "show help" },
3706 { "version", 0, {(void*)show_version}, "show version" },
3707 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3708 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3709 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
3710 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3711 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3712 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
3713 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3714 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3715 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3716 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3717 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3718 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3719 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3720 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3721 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3722 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
3723 { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
3724 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3725 "add timings for benchmarking" },
3726 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3727 "dump each input packet" },
3728 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3729 "when dumping packets, also dump the payload" },
3730 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
3731 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3732 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3733 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3734 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\" or \"dvd\")", "type" },
3735 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3736 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3737 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3738 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3741 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
3742 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3743 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3744 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3745 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3746 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3747 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3748 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3749 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3750 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3751 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3752 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3753 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3754 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3755 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
3756 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3757 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3758 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
3759 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
3760 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
3761 { "lmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmin}, "min video lagrange factor (VBR)", "lambda" },
3762 { "lmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmax}, "max video lagrange factor (VBR)", "lambda" },
3763 { "mbqmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmin}, "min macroblock quantiser scale (VBR)", "q" },
3764 { "mbqmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_qmax}, "max macroblock quantiser scale (VBR)", "q" },
3765 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
3766 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
3767 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
3768 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
3769 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
3770 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
3771 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
3772 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
3773 { "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" },
3774 { "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" },
3775 // { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
3776 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3777 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3778 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
3779 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
3780 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
3781 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffer size (in kByte)", "size" },
3782 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3783 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
3785 { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" },
3786 { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" },
3787 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3788 { "mb_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_threshold}, "macroblock threshold", "" },
3789 { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" },
3790 { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" },
3791 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
3792 { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
3793 { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
3794 { "mbcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_cmp}, "macroblock compare function", "cmp function" },
3795 { "ildctcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ildct_cmp}, "ildct compare function", "cmp function" },
3796 { "subcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sub_cmp}, "subpel compare function", "cmp function" },
3797 { "cmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_cmp}, "fullpel compare function", "cmp function" },
3798 { "precmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_cmp}, "pre motion estimation compare function", "cmp function" },
3799 { "preme", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_me}, "pre motion estimation", "" },
3800 { "lumi_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lumi_mask}, "luminance masking", "" },
3801 { "dark_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dark_mask}, "darkness masking", "" },
3802 { "scplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_scplx_mask}, "spatial complexity masking", "" },
3803 { "tcplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_tcplx_mask}, "temporal complexity masking", "" },
3804 { "p_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_p_mask}, "inter masking", "" },
3805 { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (MPEG4)" },
3806 { "obmc", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_obmc}, "use overlapped block motion compensation (h263+)" },
3807 { "lf", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_loop}, "use loop filter (h263+)" },
3808 { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (MPEG4)" },
3809 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
3810 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
3811 { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
3812 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
3813 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
3814 "use same video quality as source (implies VBR)" },
3815 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
3816 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
3817 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
3818 "deinterlace pictures" },
3819 { "ildct", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_dct},
3820 "force interlaced dct support in encoder (MPEG2/MPEG4)" },
3821 { "ilme", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_me},
3822 "force interlaced me support in encoder (MPEG2/MPEG4)" },
3823 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
3824 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
3825 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
3826 { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
3827 { "aiv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aiv}, "enable Alternative inter vlc (h263+)" },
3828 { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
3829 { "ssm", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_ss}, "enable Slice Structured mode (h263+)" },
3830 { "alt", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_alt_scan}, "enable alternate scantable (MPEG2/MPEG4)" },
3831 { "qprd", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_qprd}, "" },
3832 { "cbp", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_cbprd}, "" },
3833 { "trell", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_trell}, "enable trellis quantization" },
3834 { "cgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&closed_gop}, "closed gop" },
3835 { "scan_offset", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_scan_offset}, "enable SVCD Scan Offset placeholder" },
3836 { "qpel", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_qpel}, "enable 1/4-pel" },
3837 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
3838 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
3839 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
3840 { "nr", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_noise_reduction}, "noise reduction", "" },
3841 { "qns", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qns}, "quantization noise shaping", "" },
3842 { "sc_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sc_threshold}, "scene change threshold", "threshold" },
3843 { "me_range", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_range}, "limit motion vectors range (1023 for DivX player)", "range" },
3844 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
3845 { "coder", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&coder}, "coder type", "" },
3846 { "context", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&context}, "context model", "" },
3847 { "pred", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&predictor}, "prediction method", "" },
3848 { "vprofile", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_profile}, "profile", "" },
3849 { "vlevel", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_level}, "level", "" },
3850 { "nssew", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&nsse_weight}, "weight", "" },
3851 { "subq", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&subpel_quality}, "", "" },
3852 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&lowres}, "", "" },
3855 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
3856 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
3857 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
3858 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
3859 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
3862 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
3863 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
3864 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
3865 { "dv1394", OPT_EXPERT | OPT_GRAB, {(void*)opt_dv1394}, "set DV1394 grab", "" },
3866 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
3870 static void show_banner(void)
3872 printf("ffmpeg version " FFMPEG_VERSION ", build %d, Copyright (c) 2000-2004 Fabrice Bellard\n",
3874 printf(" built on " __DATE__ " " __TIME__);
3876 printf(", gcc: %s\n", __VERSION__);
3878 printf(", using a non-gcc compiler\n");
3882 static void show_license(void)
3887 "This program is free software; you can redistribute it and/or modify\n"
3888 "it under the terms of the GNU General Public License as published by\n"
3889 "the Free Software Foundation; either version 2 of the License, or\n"
3890 "(at your option) any later version.\n"
3892 "This program is distributed in the hope that it will be useful,\n"
3893 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3894 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
3895 "GNU General Public License for more details.\n"
3897 "You should have received a copy of the GNU General Public License\n"
3898 "along with this program; if not, write to the Free Software\n"
3899 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
3903 "This library is free software; you can redistribute it and/or\n"
3904 "modify it under the terms of the GNU Lesser General Public\n"
3905 "License as published by the Free Software Foundation; either\n"
3906 "version 2 of the License, or (at your option) any later version.\n"
3908 "This library is distributed in the hope that it will be useful,\n"
3909 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
3910 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
3911 "Lesser General Public License for more details.\n"
3913 "You should have received a copy of the GNU Lesser General Public\n"
3914 "License along with this library; if not, write to the Free Software\n"
3915 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
3921 static void show_help(void)
3924 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
3925 "Hyper fast Audio and Video encoder\n");
3927 show_help_options(options, "Main options:\n",
3928 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
3929 show_help_options(options, "\nVideo options:\n",
3930 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3932 show_help_options(options, "\nAdvanced Video options:\n",
3933 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3934 OPT_VIDEO | OPT_EXPERT);
3935 show_help_options(options, "\nAudio options:\n",
3936 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3938 show_help_options(options, "\nAdvanced Audio options:\n",
3939 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3940 OPT_AUDIO | OPT_EXPERT);
3941 show_help_options(options, "\nAudio/Video grab options:\n",
3944 show_help_options(options, "\nAdvanced options:\n",
3945 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
3950 void parse_arg_file(const char *filename)
3952 opt_output_file(filename);
3955 int main(int argc, char **argv)
3968 parse_options(argc, argv, options);
3970 /* file converter / grab */
3971 if (nb_output_files <= 0) {
3972 fprintf(stderr, "Must supply at least one output file\n");
3976 if (nb_input_files == 0) {
3982 av_encode(output_files, nb_output_files, input_files, nb_input_files,
3983 stream_maps, nb_stream_maps);
3984 ti = getutime() - ti;
3986 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
3990 for(i=0;i<nb_output_files;i++) {
3991 /* maybe av_close_output_file ??? */
3992 AVFormatContext *s = output_files[i];
3994 if (!(s->oformat->flags & AVFMT_NOFILE))
3996 for(j=0;j<s->nb_streams;j++)
3997 av_free(s->streams[j]);
4000 for(i=0;i<nb_input_files;i++)
4001 av_close_input_file(input_files[i]);
4006 av_free(intra_matrix);
4008 av_free(inter_matrix);
4010 #ifdef POWERPC_PERFORMANCE_REPORT
4011 extern void powerpc_display_perf_report(void);
4012 powerpc_display_perf_report();
4013 #endif /* POWERPC_PERFORMANCE_REPORT */
4015 #ifndef CONFIG_WIN32
4016 if (received_sigterm) {
4018 "Received signal %d: terminating.\n",
4019 (int) received_sigterm);
4023 exit(0); /* not all OS-es handle main() return value */