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 = 0;
87 static int frame_height = 0;
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 max_frames[3] = {INT_MAX, INT_MAX, INT_MAX};
100 static int frame_rate = 25;
101 static int frame_rate_base = 1;
102 static int video_bit_rate = 200*1000;
103 static int video_bit_rate_tolerance = 4000*1000;
104 static float video_qscale = 0;
105 static int video_qmin = 2;
106 static int video_qmax = 31;
107 static int video_lmin = 2*FF_QP2LAMBDA;
108 static int video_lmax = 31*FF_QP2LAMBDA;
109 static int video_mb_lmin = 2*FF_QP2LAMBDA;
110 static int video_mb_lmax = 31*FF_QP2LAMBDA;
111 static int video_qdiff = 3;
112 static int video_lelim = 0;
113 static int video_celim = 0;
114 static float video_qblur = 0.5;
115 static float video_qsquish = 0.0;
116 static float video_qcomp = 0.5;
117 static uint16_t *intra_matrix = NULL;
118 static uint16_t *inter_matrix = NULL;
119 #if 0 //experimental, (can be removed)
120 static float video_rc_qsquish=1.0;
121 static float video_rc_qmod_amp=0;
122 static int video_rc_qmod_freq=0;
124 static char *video_rc_override_string=NULL;
125 static char *video_rc_eq="tex^qComp";
126 static int video_rc_buffer_size=0;
127 static float video_rc_buffer_aggressivity=1.0;
128 static int video_rc_max_rate=0;
129 static int video_rc_min_rate=0;
130 static float video_rc_initial_cplx=0;
131 static float video_b_qfactor = 1.25;
132 static float video_b_qoffset = 1.25;
133 static float video_i_qfactor = -0.8;
134 static float video_i_qoffset = 0.0;
135 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
136 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
137 static int me_method = ME_EPZS;
138 static int video_disable = 0;
139 static int video_discard = 0;
140 static int video_codec_id = CODEC_ID_NONE;
141 static int video_codec_tag = 0;
142 static int same_quality = 0;
143 static int b_frames = 0;
144 static int mb_decision = FF_MB_DECISION_SIMPLE;
145 static int ildct_cmp = FF_CMP_VSAD;
146 static int mb_cmp = FF_CMP_SAD;
147 static int sub_cmp = FF_CMP_SAD;
148 static int cmp = FF_CMP_SAD;
149 static int pre_cmp = FF_CMP_SAD;
150 static int pre_me = 0;
151 static float lumi_mask = 0;
152 static float dark_mask = 0;
153 static float scplx_mask = 0;
154 static float tcplx_mask = 0;
155 static float p_mask = 0;
156 static int use_4mv = 0;
157 static int use_obmc = 0;
158 static int use_loop = 0;
159 static int use_aic = 0;
160 static int use_aiv = 0;
161 static int use_umv = 0;
162 static int use_ss = 0;
163 static int use_alt_scan = 0;
164 static int use_trell = 0;
165 static int use_scan_offset = 0;
166 static int use_qpel = 0;
167 static int use_qprd = 0;
168 static int use_cbprd = 0;
169 static int use_mv0 = 0;
170 static int do_normalize_aqp = 0;
172 static int closed_gop = 0;
173 static int strict_gop = 0;
174 static int no_output = 0;
175 static int do_deinterlace = 0;
176 static int do_interlace_dct = 0;
177 static int do_interlace_me = 0;
178 static int workaround_bugs = FF_BUG_AUTODETECT;
179 static int error_resilience = 2;
180 static int error_concealment = 3;
181 static int dct_algo = 0;
182 static int idct_algo = 0;
183 static int use_part = 0;
184 static int packet_size = 0;
185 static int error_rate = 0;
186 static int strict = 0;
187 static int top_field_first = -1;
188 static int noise_reduction = 0;
189 static int sc_threshold = 0;
190 static int debug = 0;
191 static int debug_mv = 0;
192 static int me_threshold = 0;
193 static int mb_threshold = 0;
194 static int intra_dc_precision = 8;
195 static int coder = 0;
196 static int context = 0;
197 static int predictor = 0;
198 static int video_profile = FF_PROFILE_UNKNOWN;
199 static int video_level = FF_LEVEL_UNKNOWN;
200 static int nsse_weight = 8;
201 static int subpel_quality= 8;
202 static int lowres= 0;
203 static int frame_skip_threshold= 0;
204 static int frame_skip_factor= 0;
205 static int frame_skip_exp= 0;
206 static int frame_skip_cmp= FF_CMP_DCTMAX;
207 extern int loop_input; /* currently a hack */
209 static int gop_size = 12;
210 static int intra_only = 0;
211 static int audio_sample_rate = 44100;
212 static int audio_bit_rate = 64000;
213 static int audio_disable = 0;
214 static int audio_channels = 1;
215 static int audio_codec_id = CODEC_ID_NONE;
216 static int audio_codec_tag = 0;
218 static int mux_rate= 0;
219 static int mux_packet_size= 0;
220 static float mux_preload= 0.5;
221 static float mux_max_delay= 0.7;
223 static int64_t recording_time = 0;
224 static int64_t start_time = 0;
225 static int64_t rec_timestamp = 0;
226 static int64_t input_ts_offset = 0;
227 static int file_overwrite = 0;
228 static char *str_title = NULL;
229 static char *str_author = NULL;
230 static char *str_copyright = NULL;
231 static char *str_comment = NULL;
232 static int do_benchmark = 0;
233 static int do_hex_dump = 0;
234 static int do_pkt_dump = 0;
235 static int do_psnr = 0;
236 static int do_vstats = 0;
237 static int do_pass = 0;
238 static int bitexact = 0;
239 static char *pass_logfilename = NULL;
240 static int audio_stream_copy = 0;
241 static int video_stream_copy = 0;
242 static int video_sync_method= 1;
243 static int audio_sync_method= 0;
244 static int copy_ts= 0;
246 static int rate_emu = 0;
248 static char *video_grab_format = "video4linux";
249 static char *video_device = NULL;
250 static char *grab_device = NULL;
251 static int video_channel = 0;
252 static char *video_standard = "ntsc";
254 static char *audio_grab_format = "audio_device";
255 static char *audio_device = NULL;
257 static int using_stdin = 0;
258 static int using_vhook = 0;
259 static int verbose = 1;
260 static int thread_count= 1;
261 static int q_pressed = 0;
262 static int me_range = 0;
263 static int64_t video_size = 0;
264 static int64_t audio_size = 0;
265 static int64_t extra_size = 0;
266 static int nb_frames_dup = 0;
267 static int nb_frames_drop = 0;
268 static int input_sync;
270 static int pgmyuv_compatibility_hack=0;
273 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
275 typedef struct AVOutputStream {
276 int file_index; /* file index */
277 int index; /* stream index in the output file */
278 int source_index; /* AVInputStream index */
279 AVStream *st; /* stream in the output file */
280 int encoding_needed; /* true if encoding needed for this stream */
282 /* input pts and corresponding output pts
284 double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
285 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
287 int video_resample; /* video_resample and video_crop are mutually exclusive */
288 AVFrame pict_tmp; /* temporary image for resampling */
289 ImgReSampleContext *img_resample_ctx; /* for image resampling */
291 int video_crop; /* video_resample and video_crop are mutually exclusive */
292 int topBand; /* cropping area sizes */
295 int video_pad; /* video_resample and video_pad are mutually exclusive */
296 int padtop; /* padding area sizes */
303 ReSampleContext *resample; /* for audio resampling */
304 FifoBuffer fifo; /* for compression: one audio fifo per codec */
308 typedef struct AVInputStream {
312 int discard; /* true if stream data should be discarded */
313 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
314 int64_t sample_index; /* current sample */
316 int64_t start; /* time when read started */
317 unsigned long frame; /* current frame */
318 int64_t next_pts; /* synthetic pts for cases where pkt.pts
320 int64_t pts; /* current pts */
321 int is_start; /* is 1 at the start and after a discontinuity */
324 typedef struct AVInputFile {
325 int eof_reached; /* true if eof reached */
326 int ist_index; /* index of first stream in ist_table */
327 int buffer_size; /* current total buffer size */
328 int buffer_size_max; /* buffer size at which we consider we can stop
330 int nb_streams; /* nb streams we are aware of */
335 /* init terminal so that we can grab keys */
336 static struct termios oldtty;
338 static void term_exit(void)
340 tcsetattr (0, TCSANOW, &oldtty);
343 static volatile sig_atomic_t received_sigterm = 0;
346 sigterm_handler(int sig)
348 received_sigterm = sig;
352 static void term_init(void)
359 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
360 |INLCR|IGNCR|ICRNL|IXON);
361 tty.c_oflag |= OPOST;
362 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
363 tty.c_cflag &= ~(CSIZE|PARENB);
368 tcsetattr (0, TCSANOW, &tty);
370 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
371 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
372 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
374 register a function to be called at normal program termination
377 #ifdef CONFIG_BEOS_NETSERVER
378 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
382 /* read a key without blocking */
383 static int read_key(void)
387 #ifndef CONFIG_BEOS_NETSERVER
395 n = select(1, &rfds, NULL, NULL, &tv);
407 static int decode_interrupt_cb(void)
409 return q_pressed || (q_pressed = read_key() == 'q');
414 static volatile int received_sigterm = 0;
416 /* no interactive support */
417 static void term_exit(void)
421 static void term_init(void)
425 static int read_key(void)
432 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
437 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
440 /* copy stream format */
441 s->nb_streams = ic->nb_streams;
442 for(i=0;i<ic->nb_streams;i++) {
445 st = av_mallocz(sizeof(AVStream));
446 memcpy(st, ic->streams[i], sizeof(AVStream));
450 av_close_input_file(ic);
454 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
456 static void do_audio_out(AVFormatContext *s,
459 unsigned char *buf, int size)
462 static uint8_t *audio_buf = NULL;
463 static uint8_t *audio_out = NULL;
464 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
466 int size_out, frame_bytes, ret;
467 AVCodecContext *enc= &ost->st->codec;
469 /* SC: dynamic allocation of buffers */
471 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
473 audio_out = av_malloc(audio_out_size);
474 if (!audio_buf || !audio_out)
475 return; /* Should signal an error ! */
477 if(audio_sync_method){
478 double delta = ost->sync_ipts * enc->sample_rate - ost->sync_opts
479 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
480 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
481 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
483 //FIXME resample delay
484 if(fabs(delta) > 50){
487 byte_delta= FFMAX(byte_delta, -size);
491 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
496 static uint8_t *input_tmp= NULL;
497 input_tmp= av_realloc(input_tmp, byte_delta + size);
499 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
502 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
504 memset(input_tmp, 0, byte_delta);
505 memcpy(input_tmp + byte_delta, buf, size);
509 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
511 }else if(audio_sync_method>1){
512 int comp= clip(delta, -audio_sync_method, audio_sync_method);
513 assert(ost->audio_resample);
515 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
516 // 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));
517 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
521 ost->sync_opts= lrintf(ost->sync_ipts * enc->sample_rate)
522 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
524 if (ost->audio_resample) {
526 size_out = audio_resample(ost->resample,
527 (short *)buftmp, (short *)buf,
528 size / (ist->st->codec.channels * 2));
529 size_out = size_out * enc->channels * 2;
535 /* now encode as many frames as possible */
536 if (enc->frame_size > 1) {
537 /* output resampled raw samples */
538 fifo_write(&ost->fifo, buftmp, size_out,
541 frame_bytes = enc->frame_size * 2 * enc->channels;
543 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
544 &ost->fifo.rptr) == 0) {
546 av_init_packet(&pkt);
548 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
551 pkt.stream_index= ost->index;
555 pkt.pts= enc->coded_frame->pts;
556 pkt.flags |= PKT_FLAG_KEY;
557 av_interleaved_write_frame(s, &pkt);
559 ost->sync_opts += enc->frame_size;
563 av_init_packet(&pkt);
565 ost->sync_opts += size_out / (2 * enc->channels);
567 /* output a pcm frame */
568 /* XXX: change encoding codec API to avoid this ? */
569 switch(enc->codec->id) {
570 case CODEC_ID_PCM_S16LE:
571 case CODEC_ID_PCM_S16BE:
572 case CODEC_ID_PCM_U16LE:
573 case CODEC_ID_PCM_U16BE:
576 size_out = size_out >> 1;
579 ret = avcodec_encode_audio(enc, audio_out, size_out,
582 pkt.stream_index= ost->index;
586 pkt.pts= enc->coded_frame->pts;
587 pkt.flags |= PKT_FLAG_KEY;
588 av_interleaved_write_frame(s, &pkt);
592 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
596 AVPicture picture_tmp;
599 dec = &ist->st->codec;
601 /* deinterlace : must be done before any resize */
602 if (do_deinterlace || using_vhook) {
605 /* create temporary picture */
606 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
607 buf = av_malloc(size);
611 picture2 = &picture_tmp;
612 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
615 if(avpicture_deinterlace(picture2, picture,
616 dec->pix_fmt, dec->width, dec->height) < 0) {
617 /* if error, do not deinterlace */
623 if (img_convert(picture2, dec->pix_fmt, picture,
624 dec->pix_fmt, dec->width, dec->height) < 0) {
625 /* if error, do not copy */
635 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
637 if (picture != picture2)
638 *picture = *picture2;
642 /* we begin to correct av delay at this threshold */
643 #define AV_DELAY_MAX 0.100
646 /* Expects img to be yuv420 */
647 static void fill_pad_region(AVPicture* img, int height, int width,
648 int padtop, int padbottom, int padleft, int padright, int *color) {
653 for (i = 0; i < 3; i++) {
654 shift = (i == 0) ? 0 : 1;
656 if (padtop || padleft) {
657 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
661 if (padleft || padright) {
662 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
663 (img->linesize[i] - (padright >> shift));
665 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
666 memset(optr, color[i], (padleft + padright) >> shift);
667 optr += img->linesize[i];
671 if (padbottom || padright) {
672 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
673 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
678 static int bit_buffer_size= 1024*256;
679 static uint8_t *bit_buffer= NULL;
681 static void do_video_out(AVFormatContext *s,
687 int nb_frames, i, ret;
688 AVFrame *final_picture, *formatted_picture;
689 AVFrame picture_format_temp, picture_crop_temp;
690 uint8_t *buf = NULL, *buf1 = NULL;
691 AVCodecContext *enc, *dec;
692 enum PixelFormat target_pixfmt;
694 avcodec_get_frame_defaults(&picture_format_temp);
695 avcodec_get_frame_defaults(&picture_crop_temp);
697 enc = &ost->st->codec;
698 dec = &ist->st->codec;
700 /* by default, we output a single frame */
705 if(video_sync_method){
707 vdelta = ost->sync_ipts * enc->frame_rate / enc->frame_rate_base - ost->sync_opts;
708 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
711 else if (vdelta > 1.1)
712 nb_frames = lrintf(vdelta);
713 //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);
717 fprintf(stderr, "*** drop!\n");
718 }else if (nb_frames > 1) {
719 nb_frames_dup += nb_frames;
721 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
724 ost->sync_opts= lrintf(ost->sync_ipts * enc->frame_rate / enc->frame_rate_base);
726 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
730 /* convert pixel format if needed */
731 target_pixfmt = ost->video_resample || ost->video_pad
732 ? PIX_FMT_YUV420P : enc->pix_fmt;
733 if (dec->pix_fmt != target_pixfmt) {
736 /* create temporary picture */
737 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
738 buf = av_malloc(size);
741 formatted_picture = &picture_format_temp;
742 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
744 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
745 (AVPicture *)in_picture, dec->pix_fmt,
746 dec->width, dec->height) < 0) {
749 fprintf(stderr, "pixel format conversion not handled\n");
754 formatted_picture = in_picture;
757 /* XXX: resampling could be done before raw format conversion in
758 some cases to go faster */
759 /* XXX: only works for YUV420P */
760 if (ost->video_resample) {
761 final_picture = &ost->pict_tmp;
762 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
764 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
765 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
766 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
770 if (enc->pix_fmt != PIX_FMT_YUV420P) {
774 /* create temporary picture */
775 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
776 buf = av_malloc(size);
779 final_picture = &picture_format_temp;
780 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
782 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
783 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
784 enc->width, enc->height) < 0) {
787 fprintf(stderr, "pixel format conversion not handled\n");
792 } else if (ost->video_crop) {
793 picture_crop_temp.data[0] = formatted_picture->data[0] +
794 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
796 picture_crop_temp.data[1] = formatted_picture->data[1] +
797 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
798 (ost->leftBand >> 1);
800 picture_crop_temp.data[2] = formatted_picture->data[2] +
801 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
802 (ost->leftBand >> 1);
804 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
805 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
806 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
807 final_picture = &picture_crop_temp;
808 } else if (ost->video_pad) {
809 final_picture = &ost->pict_tmp;
811 for (i = 0; i < 3; i++) {
812 uint8_t *optr, *iptr;
813 int shift = (i == 0) ? 0 : 1;
816 /* set offset to start writing image into */
817 optr = final_picture->data[i] + (((final_picture->linesize[i] *
818 ost->padtop) + ost->padleft) >> shift);
819 iptr = formatted_picture->data[i];
821 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
822 for (y = 0; y < yheight; y++) {
823 /* copy unpadded image row into padded image row */
824 memcpy(optr, iptr, formatted_picture->linesize[i]);
825 optr += final_picture->linesize[i];
826 iptr += formatted_picture->linesize[i];
830 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
831 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
834 if (enc->pix_fmt != PIX_FMT_YUV420P) {
838 /* create temporary picture */
839 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
840 buf = av_malloc(size);
843 final_picture = &picture_format_temp;
844 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
846 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
847 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
848 enc->width, enc->height) < 0) {
851 fprintf(stderr, "pixel format conversion not handled\n");
857 final_picture = formatted_picture;
859 /* duplicates frame if needed */
860 for(i=0;i<nb_frames;i++) {
862 av_init_packet(&pkt);
863 pkt.stream_index= ost->index;
865 if (s->oformat->flags & AVFMT_RAWPICTURE) {
866 /* raw pictures are written as AVPicture structure to
867 avoid any copies. We support temorarily the older
869 AVFrame* old_frame = enc->coded_frame;
870 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
871 pkt.data= (uint8_t *)final_picture;
872 pkt.size= sizeof(AVPicture);
874 pkt.pts= dec->coded_frame->pts;
875 if(dec->coded_frame && dec->coded_frame->key_frame)
876 pkt.flags |= PKT_FLAG_KEY;
878 av_interleaved_write_frame(s, &pkt);
879 enc->coded_frame = old_frame;
883 big_picture= *final_picture;
884 /* better than nothing: use input picture interlaced
886 big_picture.interlaced_frame = in_picture->interlaced_frame;
887 if(do_interlace_me || do_interlace_dct){
888 if(top_field_first == -1)
889 big_picture.top_field_first = in_picture->top_field_first;
891 big_picture.top_field_first = top_field_first;
894 /* handles sameq here. This is not correct because it may
895 not be a global option */
897 big_picture.quality = ist->st->quality;
899 big_picture.quality = ost->st->quality;
901 big_picture.pict_type = 0;
902 // big_picture.pts = AV_NOPTS_VALUE;
903 big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->frame_rate_base, enc->frame_rate);
904 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
905 ret = avcodec_encode_video(enc,
906 bit_buffer, bit_buffer_size,
908 //enc->frame_number = enc->real_pict_num;
910 pkt.data= bit_buffer;
913 pkt.pts= enc->coded_frame->pts;
914 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
915 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
916 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
918 if(enc->coded_frame && enc->coded_frame->key_frame)
919 pkt.flags |= PKT_FLAG_KEY;
920 av_interleaved_write_frame(s, &pkt);
922 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
923 // enc->frame_number-1, enc->real_pict_num, ret,
925 /* if two pass, output log */
926 if (ost->logfile && enc->stats_out) {
927 fprintf(ost->logfile, "%s", enc->stats_out);
939 static double psnr(double d){
940 if(d==0) return INFINITY;
941 return -10.0*log(d)/log(10.0);
944 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
947 static FILE *fvstats=NULL;
954 double ti1, bitrate, avg_bitrate;
958 today = localtime(&today2);
959 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
962 fvstats = fopen(filename,"w");
970 enc = &ost->st->codec;
971 if (enc->codec_type == CODEC_TYPE_VIDEO) {
972 frame_number = ost->frame_number;
973 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
974 if (enc->flags&CODEC_FLAG_PSNR)
975 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
977 fprintf(fvstats,"f_size= %6d ", frame_size);
978 /* compute pts value */
979 ti1 = (double)ost->sync_opts *enc->frame_rate_base / enc->frame_rate;
983 bitrate = (double)(frame_size * 8) * enc->frame_rate / enc->frame_rate_base / 1000.0;
984 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
985 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
986 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
987 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
991 static void print_report(AVFormatContext **output_files,
992 AVOutputStream **ost_table, int nb_ostreams,
997 AVFormatContext *oc, *os;
1000 int frame_number, vid, i;
1001 double bitrate, ti1, pts;
1002 static int64_t last_time = -1;
1004 if (!is_last_report) {
1006 /* display the report every 0.5 seconds */
1007 cur_time = av_gettime();
1008 if (last_time == -1) {
1009 last_time = cur_time;
1012 if ((cur_time - last_time) < 500000)
1014 last_time = cur_time;
1018 oc = output_files[0];
1020 total_size = url_ftell(&oc->pb);
1025 for(i=0;i<nb_ostreams;i++) {
1027 os = output_files[ost->file_index];
1028 enc = &ost->st->codec;
1029 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1030 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1031 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1033 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1034 frame_number = ost->frame_number;
1035 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%2.1f ",
1036 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1038 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1039 if (enc->flags&CODEC_FLAG_PSNR){
1041 double error, error_sum=0;
1042 double scale, scale_sum=0;
1043 char type[3]= {'Y','U','V'};
1044 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1047 error= enc->error[j];
1048 scale= enc->width*enc->height*255.0*255.0*frame_number;
1050 error= enc->coded_frame->error[j];
1051 scale= enc->width*enc->height*255.0*255.0;
1056 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1058 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1062 /* compute min output value */
1063 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1064 if ((pts < ti1) && (pts > 0))
1070 if (verbose || is_last_report) {
1071 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1073 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1074 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1075 (double)total_size / 1024, ti1, bitrate);
1078 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1079 nb_frames_dup, nb_frames_drop);
1082 fprintf(stderr, "%s \r", buf);
1087 if (is_last_report && verbose >= 0){
1088 int64_t raw= audio_size + video_size + extra_size;
1089 fprintf(stderr, "\n");
1090 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1094 100.0*(total_size - raw)/raw
1099 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1100 static int output_packet(AVInputStream *ist, int ist_index,
1101 AVOutputStream **ost_table, int nb_ostreams,
1102 const AVPacket *pkt)
1104 AVFormatContext *os;
1105 AVOutputStream *ost;
1109 int data_size, got_picture;
1111 void *buffer_to_free;
1112 static int samples_size= 0;
1113 static short *samples= NULL;
1116 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1117 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1118 ist->next_pts = ist->pts = pkt->dts;
1120 // assert(ist->pts == ist->next_pts);
1134 /* decode the packet if needed */
1135 data_buf = NULL; /* fail safe */
1137 if (ist->decoding_needed) {
1138 switch(ist->st->codec.codec_type) {
1139 case CODEC_TYPE_AUDIO:{
1141 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1142 /* XXX: could avoid copy if PCM 16 bits with same
1143 endianness as CPU */
1144 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1150 /* Some bug in mpeg audio decoder gives */
1151 /* data_size < 0, it seems they are overflows */
1152 if (data_size <= 0) {
1153 /* no audio frame */
1156 data_buf = (uint8_t *)samples;
1157 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1158 (ist->st->codec.sample_rate * ist->st->codec.channels);
1160 case CODEC_TYPE_VIDEO:
1161 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1162 /* XXX: allocate picture correctly */
1163 avcodec_get_frame_defaults(&picture);
1165 ret = avcodec_decode_video(&ist->st->codec,
1166 &picture, &got_picture, ptr, len);
1167 ist->st->quality= picture.quality;
1171 /* no picture yet */
1172 goto discard_packet;
1174 if (ist->st->codec.frame_rate_base != 0) {
1175 ist->next_pts += ((int64_t)AV_TIME_BASE *
1176 ist->st->codec.frame_rate_base) /
1177 ist->st->codec.frame_rate;
1185 switch(ist->st->codec.codec_type) {
1186 case CODEC_TYPE_AUDIO:
1187 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec.frame_size) /
1188 (ist->st->codec.sample_rate * ist->st->codec.channels);
1190 case CODEC_TYPE_VIDEO:
1191 if (ist->st->codec.frame_rate_base != 0) {
1192 ist->next_pts += ((int64_t)AV_TIME_BASE *
1193 ist->st->codec.frame_rate_base) /
1194 ist->st->codec.frame_rate;
1204 buffer_to_free = NULL;
1205 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1206 pre_process_video_frame(ist, (AVPicture *)&picture,
1210 /* frame rate emulation */
1211 if (ist->st->codec.rate_emu) {
1212 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.frame_rate_base, 1000000, ist->st->codec.frame_rate);
1213 int64_t now = av_gettime() - ist->start;
1221 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1222 is the one of the next displayed one */
1223 /* XXX: add mpeg4 too ? */
1224 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1225 if (ist->st->codec.pict_type != B_TYPE) {
1227 tmp = ist->last_ip_pts;
1228 ist->last_ip_pts = ist->frac_pts.val;
1229 ist->frac_pts.val = tmp;
1233 /* if output time reached then transcode raw format,
1234 encode packets and output them */
1235 if (start_time == 0 || ist->pts >= start_time)
1236 for(i=0;i<nb_ostreams;i++) {
1240 if (ost->source_index == ist_index) {
1241 os = output_files[ost->file_index];
1244 printf("%d: got pts=%0.3f %0.3f\n", i,
1245 (double)pkt->pts / AV_TIME_BASE,
1246 ((double)ist->pts / AV_TIME_BASE) -
1247 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1249 /* set the input output pts pairs */
1250 ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index])/ AV_TIME_BASE;
1252 if (ost->encoding_needed) {
1253 switch(ost->st->codec.codec_type) {
1254 case CODEC_TYPE_AUDIO:
1255 do_audio_out(os, ost, ist, data_buf, data_size);
1257 case CODEC_TYPE_VIDEO:
1258 do_video_out(os, ost, ist, &picture, &frame_size);
1259 video_size += frame_size;
1260 if (do_vstats && frame_size)
1261 do_video_stats(os, ost, frame_size);
1267 AVFrame avframe; //FIXME/XXX remove this
1269 av_init_packet(&opkt);
1271 /* no reencoding needed : output the packet directly */
1272 /* force the input stream PTS */
1274 avcodec_get_frame_defaults(&avframe);
1275 ost->st->codec.coded_frame= &avframe;
1276 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1278 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1279 audio_size += data_size;
1280 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1281 video_size += data_size;
1285 opkt.stream_index= ost->index;
1286 opkt.data= data_buf;
1287 opkt.size= data_size;
1288 if(pkt->pts != AV_NOPTS_VALUE)
1289 opkt.pts= pkt->pts + input_files_ts_offset[ist->file_index];
1291 opkt.pts= AV_NOPTS_VALUE;
1292 opkt.dts= pkt->dts + input_files_ts_offset[ist->file_index];
1293 opkt.flags= pkt->flags;
1295 av_interleaved_write_frame(os, &opkt);
1296 ost->st->codec.frame_number++;
1297 ost->frame_number++;
1301 av_free(buffer_to_free);
1307 for(i=0;i<nb_ostreams;i++) {
1309 if (ost->source_index == ist_index) {
1310 AVCodecContext *enc= &ost->st->codec;
1311 os = output_files[ost->file_index];
1313 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1315 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1318 if (ost->encoding_needed) {
1321 av_init_packet(&pkt);
1322 pkt.stream_index= ost->index;
1324 switch(ost->st->codec.codec_type) {
1325 case CODEC_TYPE_AUDIO:
1326 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1328 pkt.flags |= PKT_FLAG_KEY;
1330 case CODEC_TYPE_VIDEO:
1331 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1333 if(enc->coded_frame && enc->coded_frame->key_frame)
1334 pkt.flags |= PKT_FLAG_KEY;
1335 if (ost->logfile && enc->stats_out) {
1336 fprintf(ost->logfile, "%s", enc->stats_out);
1345 pkt.data= bit_buffer;
1347 if(enc->coded_frame)
1348 pkt.pts= enc->coded_frame->pts;
1349 av_interleaved_write_frame(os, &pkt);
1363 * The following code is the main loop of the file converter
1365 static int av_encode(AVFormatContext **output_files,
1366 int nb_output_files,
1367 AVFormatContext **input_files,
1369 AVStreamMap *stream_maps, int nb_stream_maps)
1371 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1372 AVFormatContext *is, *os;
1373 AVCodecContext *codec, *icodec;
1374 AVOutputStream *ost, **ost_table = NULL;
1375 AVInputStream *ist, **ist_table = NULL;
1376 AVInputFile *file_table;
1377 AVFormatContext *stream_no_data;
1380 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1384 /* input stream init */
1386 for(i=0;i<nb_input_files;i++) {
1387 is = input_files[i];
1388 file_table[i].ist_index = j;
1389 file_table[i].nb_streams = is->nb_streams;
1390 j += is->nb_streams;
1394 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1398 for(i=0;i<nb_istreams;i++) {
1399 ist = av_mallocz(sizeof(AVInputStream));
1405 for(i=0;i<nb_input_files;i++) {
1406 is = input_files[i];
1407 for(k=0;k<is->nb_streams;k++) {
1408 ist = ist_table[j++];
1409 ist->st = is->streams[k];
1410 ist->file_index = i;
1412 ist->discard = 1; /* the stream is discarded by default
1415 if (ist->st->codec.rate_emu) {
1416 ist->start = av_gettime();
1422 /* output stream init */
1424 for(i=0;i<nb_output_files;i++) {
1425 os = output_files[i];
1426 nb_ostreams += os->nb_streams;
1428 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1429 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1433 /* Sanity check the mapping args -- do the input files & streams exist? */
1434 for(i=0;i<nb_stream_maps;i++) {
1435 int fi = stream_maps[i].file_index;
1436 int si = stream_maps[i].stream_index;
1438 if (fi < 0 || fi > nb_input_files - 1 ||
1439 si < 0 || si > file_table[fi].nb_streams - 1) {
1440 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1445 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1448 for(i=0;i<nb_ostreams;i++) {
1449 ost = av_mallocz(sizeof(AVOutputStream));
1456 for(k=0;k<nb_output_files;k++) {
1457 os = output_files[k];
1458 for(i=0;i<os->nb_streams;i++) {
1460 ost = ost_table[n++];
1461 ost->file_index = k;
1463 ost->st = os->streams[i];
1464 if (nb_stream_maps > 0) {
1465 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1466 stream_maps[n-1].stream_index;
1468 /* Sanity check that the stream types match */
1469 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1470 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1471 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1472 ost->file_index, ost->index);
1477 /* get corresponding input stream index : we select the first one with the right type */
1479 for(j=0;j<nb_istreams;j++) {
1482 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1483 ost->source_index = j;
1490 /* try again and reuse existing stream */
1491 for(j=0;j<nb_istreams;j++) {
1493 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1494 ost->source_index = j;
1499 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1500 ost->file_index, ost->index);
1505 ist = ist_table[ost->source_index];
1510 /* for each output stream, we compute the right encoding parameters */
1511 for(i=0;i<nb_ostreams;i++) {
1513 ist = ist_table[ost->source_index];
1515 codec = &ost->st->codec;
1516 icodec = &ist->st->codec;
1518 if (ost->st->stream_copy) {
1519 /* if stream_copy is selected, no need to decode or encode */
1520 codec->codec_id = icodec->codec_id;
1521 codec->codec_type = icodec->codec_type;
1522 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1523 codec->bit_rate = icodec->bit_rate;
1524 switch(codec->codec_type) {
1525 case CODEC_TYPE_AUDIO:
1526 codec->sample_rate = icodec->sample_rate;
1527 codec->channels = icodec->channels;
1528 codec->frame_size = icodec->frame_size;
1529 codec->block_align= icodec->block_align;
1531 case CODEC_TYPE_VIDEO:
1532 codec->frame_rate = icodec->frame_rate;
1533 codec->frame_rate_base = icodec->frame_rate_base;
1534 codec->width = icodec->width;
1535 codec->height = icodec->height;
1541 switch(codec->codec_type) {
1542 case CODEC_TYPE_AUDIO:
1543 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1546 if (codec->channels == icodec->channels &&
1547 codec->sample_rate == icodec->sample_rate) {
1548 ost->audio_resample = 0;
1550 if (codec->channels != icodec->channels &&
1551 (icodec->codec_id == CODEC_ID_AC3 ||
1552 icodec->codec_id == CODEC_ID_DTS)) {
1553 /* Special case for 5:1 AC3 and DTS input */
1554 /* and mono or stereo output */
1555 /* Request specific number of channels */
1556 icodec->channels = codec->channels;
1557 if (codec->sample_rate == icodec->sample_rate)
1558 ost->audio_resample = 0;
1560 ost->audio_resample = 1;
1563 ost->audio_resample = 1;
1566 if(audio_sync_method>1)
1567 ost->audio_resample = 1;
1569 if(ost->audio_resample){
1570 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1571 codec->sample_rate, icodec->sample_rate);
1573 printf("Can't resample. Aborting.\n");
1577 ist->decoding_needed = 1;
1578 ost->encoding_needed = 1;
1580 case CODEC_TYPE_VIDEO:
1581 if (codec->width == icodec->width &&
1582 codec->height == icodec->height &&
1583 frame_topBand == 0 &&
1584 frame_bottomBand == 0 &&
1585 frame_leftBand == 0 &&
1586 frame_rightBand == 0 &&
1587 frame_padtop == 0 &&
1588 frame_padbottom == 0 &&
1589 frame_padleft == 0 &&
1590 frame_padright == 0)
1592 ost->video_resample = 0;
1593 ost->video_crop = 0;
1595 } else if ((codec->width == icodec->width -
1596 (frame_leftBand + frame_rightBand)) &&
1597 (codec->height == icodec->height -
1598 (frame_topBand + frame_bottomBand)))
1600 ost->video_resample = 0;
1601 ost->video_crop = 1;
1602 ost->topBand = frame_topBand;
1603 ost->leftBand = frame_leftBand;
1604 } else if ((codec->width == icodec->width +
1605 (frame_padleft + frame_padright)) &&
1606 (codec->height == icodec->height +
1607 (frame_padtop + frame_padbottom))) {
1608 ost->video_resample = 0;
1609 ost->video_crop = 0;
1611 ost->padtop = frame_padtop;
1612 ost->padleft = frame_padleft;
1613 ost->padbottom = frame_padbottom;
1614 ost->padright = frame_padright;
1615 avcodec_get_frame_defaults(&ost->pict_tmp);
1616 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1617 codec->width, codec->height ) )
1620 ost->video_resample = 1;
1621 ost->video_crop = 0; // cropping is handled as part of resample
1622 avcodec_get_frame_defaults(&ost->pict_tmp);
1623 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1624 codec->width, codec->height ) )
1627 ost->img_resample_ctx = img_resample_full_init(
1628 ost->st->codec.width, ost->st->codec.height,
1629 ist->st->codec.width, ist->st->codec.height,
1630 frame_topBand, frame_bottomBand,
1631 frame_leftBand, frame_rightBand,
1632 frame_padtop, frame_padbottom,
1633 frame_padleft, frame_padright);
1635 ost->padtop = frame_padtop;
1636 ost->padleft = frame_padleft;
1637 ost->padbottom = frame_padbottom;
1638 ost->padright = frame_padright;
1641 ost->encoding_needed = 1;
1642 ist->decoding_needed = 1;
1648 if (ost->encoding_needed &&
1649 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1650 char logfilename[1024];
1655 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1657 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1658 if (codec->flags & CODEC_FLAG_PASS1) {
1659 f = fopen(logfilename, "w");
1661 perror(logfilename);
1666 /* read the log file */
1667 f = fopen(logfilename, "r");
1669 perror(logfilename);
1672 fseek(f, 0, SEEK_END);
1674 fseek(f, 0, SEEK_SET);
1675 logbuffer = av_malloc(size + 1);
1677 fprintf(stderr, "Could not allocate log buffer\n");
1680 size = fread(logbuffer, 1, size, f);
1682 logbuffer[size] = '\0';
1683 codec->stats_in = logbuffer;
1687 if(codec->codec_type == CODEC_TYPE_VIDEO){
1688 int size= codec->width * codec->height;
1689 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1694 bit_buffer = av_malloc(bit_buffer_size);
1698 /* dump the file output parameters - cannot be done before in case
1700 for(i=0;i<nb_output_files;i++) {
1701 dump_format(output_files[i], i, output_files[i]->filename, 1);
1704 /* dump the stream mapping */
1706 fprintf(stderr, "Stream mapping:\n");
1707 for(i=0;i<nb_ostreams;i++) {
1709 fprintf(stderr, " Stream #%d.%d -> #%d.%d\n",
1710 ist_table[ost->source_index]->file_index,
1711 ist_table[ost->source_index]->index,
1717 /* open each encoder */
1718 for(i=0;i<nb_ostreams;i++) {
1720 if (ost->encoding_needed) {
1722 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1724 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1725 ost->file_index, ost->index);
1728 if (avcodec_open(&ost->st->codec, codec) < 0) {
1729 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1730 ost->file_index, ost->index);
1733 extra_size += ost->st->codec.extradata_size;
1737 /* open each decoder */
1738 for(i=0;i<nb_istreams;i++) {
1740 if (ist->decoding_needed) {
1742 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1744 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1745 ist->st->codec.codec_id, ist->file_index, ist->index);
1748 if (avcodec_open(&ist->st->codec, codec) < 0) {
1749 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1750 ist->file_index, ist->index);
1753 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1754 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1759 for(i=0;i<nb_istreams;i++) {
1761 is = input_files[ist->file_index];
1763 ist->next_pts = ist->st->start_time;
1764 if(ist->next_pts == AV_NOPTS_VALUE)
1766 if(input_files_ts_offset[ist->file_index])
1767 ist->next_pts= AV_NOPTS_VALUE;
1771 /* compute buffer size max (should use a complete heuristic) */
1772 for(i=0;i<nb_input_files;i++) {
1773 file_table[i].buffer_size_max = 2048;
1776 /* set meta data information from input file if required */
1777 for (i=0;i<nb_meta_data_maps;i++) {
1778 AVFormatContext *out_file;
1779 AVFormatContext *in_file;
1781 int out_file_index = meta_data_maps[i].out_file;
1782 int in_file_index = meta_data_maps[i].in_file;
1783 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1784 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1788 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1789 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1794 out_file = output_files[out_file_index];
1795 in_file = input_files[in_file_index];
1797 strcpy(out_file->title, in_file->title);
1798 strcpy(out_file->author, in_file->author);
1799 strcpy(out_file->copyright, in_file->copyright);
1800 strcpy(out_file->comment, in_file->comment);
1801 strcpy(out_file->album, in_file->album);
1802 out_file->year = in_file->year;
1803 out_file->track = in_file->track;
1804 strcpy(out_file->genre, in_file->genre);
1807 /* open files and write file headers */
1808 for(i=0;i<nb_output_files;i++) {
1809 os = output_files[i];
1810 if (av_write_header(os) < 0) {
1811 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1817 #ifndef CONFIG_WIN32
1818 if ( !using_stdin && verbose >= 0) {
1819 fprintf(stderr, "Press [q] to stop encoding\n");
1820 url_set_interrupt_cb(decode_interrupt_cb);
1828 for(; received_sigterm == 0;) {
1829 int file_index, ist_index;
1837 /* if 'q' pressed, exits */
1841 /* read_key() returns 0 on EOF */
1847 /* select the stream that we must read now by looking at the
1848 smallest output pts */
1850 for(i=0;i<nb_ostreams;i++) {
1853 os = output_files[ost->file_index];
1854 ist = ist_table[ost->source_index];
1855 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
1856 opts = (double)ost->sync_opts * ost->st->codec.frame_rate_base / ost->st->codec.frame_rate;
1858 opts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1859 ipts = (double)ist->pts;
1860 if (!file_table[ist->file_index].eof_reached){
1861 if(ipts < ipts_min) {
1863 if(input_sync ) file_index = ist->file_index;
1865 if(opts < opts_min) {
1867 if(!input_sync) file_index = ist->file_index;
1870 if(ost->frame_number >= max_frames[ost->st->codec.codec_type]){
1875 /* if none, if is finished */
1876 if (file_index < 0) {
1880 /* finish if recording time exhausted */
1881 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1884 /* read a frame from it and output it in the fifo */
1885 is = input_files[file_index];
1886 if (av_read_frame(is, &pkt) < 0) {
1887 file_table[file_index].eof_reached = 1;
1892 stream_no_data = is;
1897 av_pkt_dump(stdout, &pkt, do_hex_dump);
1899 /* the following test is needed in case new streams appear
1900 dynamically in stream : we ignore them */
1901 if (pkt.stream_index >= file_table[file_index].nb_streams)
1902 goto discard_packet;
1903 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1904 ist = ist_table[ist_index];
1906 goto discard_packet;
1908 // 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);
1909 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1910 int64_t delta= pkt.dts - ist->next_pts;
1911 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
1912 input_files_ts_offset[ist->file_index]-= delta;
1914 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
1915 for(i=0; i<file_table[file_index].nb_streams; i++){
1916 int index= file_table[file_index].ist_index + i;
1917 ist_table[index]->next_pts += delta;
1918 ist_table[index]->is_start=1;
1923 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1924 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1927 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1928 ist->file_index, ist->index);
1930 av_free_packet(&pkt);
1935 av_free_packet(&pkt);
1937 /* dump report by using the output first video and audio streams */
1938 print_report(output_files, ost_table, nb_ostreams, 0);
1941 /* at the end of stream, we must flush the decoder buffers */
1942 for(i=0;i<nb_istreams;i++) {
1944 if (ist->decoding_needed) {
1945 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1951 /* write the trailer if needed and close file */
1952 for(i=0;i<nb_output_files;i++) {
1953 os = output_files[i];
1954 av_write_trailer(os);
1957 /* dump report by using the first video and audio streams */
1958 print_report(output_files, ost_table, nb_ostreams, 1);
1960 /* close each encoder */
1961 for(i=0;i<nb_ostreams;i++) {
1963 if (ost->encoding_needed) {
1964 av_freep(&ost->st->codec.stats_in);
1965 avcodec_close(&ost->st->codec);
1969 /* close each decoder */
1970 for(i=0;i<nb_istreams;i++) {
1972 if (ist->decoding_needed) {
1973 avcodec_close(&ist->st->codec);
1981 av_freep(&bit_buffer);
1982 av_free(file_table);
1985 for(i=0;i<nb_istreams;i++) {
1992 for(i=0;i<nb_ostreams;i++) {
1996 fclose(ost->logfile);
1997 ost->logfile = NULL;
1999 fifo_free(&ost->fifo); /* works even if fifo is not
2000 initialized but set to zero */
2001 av_free(ost->pict_tmp.data[0]);
2002 if (ost->video_resample)
2003 img_resample_close(ost->img_resample_ctx);
2004 if (ost->audio_resample)
2005 audio_resample_close(ost->resample);
2018 int file_read(const char *filename)
2021 unsigned char buffer[1024];
2024 if (url_open(&h, filename, O_RDONLY) < 0) {
2025 printf("could not open '%s'\n", filename);
2029 len = url_read(h, buffer, sizeof(buffer));
2032 for(i=0;i<len;i++) putchar(buffer[i]);
2039 static void opt_image_format(const char *arg)
2043 for(f = first_image_format; f != NULL; f = f->next) {
2044 if (!strcmp(arg, f->name))
2048 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2054 static void opt_format(const char *arg)
2056 /* compatibility stuff for pgmyuv */
2057 if (!strcmp(arg, "pgmyuv")) {
2058 pgmyuv_compatibility_hack=1;
2059 // opt_image_format(arg);
2063 file_iformat = av_find_input_format(arg);
2064 file_oformat = guess_format(arg, NULL, NULL);
2065 if (!file_iformat && !file_oformat) {
2066 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2071 static void opt_video_bitrate(const char *arg)
2073 video_bit_rate = atoi(arg) * 1000;
2076 static void opt_video_bitrate_tolerance(const char *arg)
2078 video_bit_rate_tolerance = atoi(arg) * 1000;
2081 static void opt_video_bitrate_max(const char *arg)
2083 video_rc_max_rate = atoi(arg) * 1000;
2086 static void opt_video_bitrate_min(const char *arg)
2088 video_rc_min_rate = atoi(arg) * 1000;
2091 static void opt_video_buffer_size(const char *arg)
2093 video_rc_buffer_size = atoi(arg) * 8*1024;
2096 static void opt_video_rc_eq(char *arg)
2101 static void opt_video_rc_override_string(char *arg)
2103 video_rc_override_string = arg;
2107 static void opt_workaround_bugs(const char *arg)
2109 workaround_bugs = atoi(arg);
2112 static void opt_dct_algo(const char *arg)
2114 dct_algo = atoi(arg);
2117 static void opt_idct_algo(const char *arg)
2119 idct_algo = atoi(arg);
2122 static void opt_me_threshold(const char *arg)
2124 me_threshold = atoi(arg);
2127 static void opt_mb_threshold(const char *arg)
2129 mb_threshold = atoi(arg);
2132 static void opt_error_resilience(const char *arg)
2134 error_resilience = atoi(arg);
2137 static void opt_error_concealment(const char *arg)
2139 error_concealment = atoi(arg);
2142 static void opt_debug(const char *arg)
2147 static void opt_vismv(const char *arg)
2149 debug_mv = atoi(arg);
2152 static void opt_verbose(const char *arg)
2154 verbose = atoi(arg);
2155 av_log_set_level(atoi(arg));
2158 static void opt_frame_rate(const char *arg)
2160 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2161 fprintf(stderr, "Incorrect frame rate\n");
2166 static void opt_frame_crop_top(const char *arg)
2168 frame_topBand = atoi(arg);
2169 if (frame_topBand < 0) {
2170 fprintf(stderr, "Incorrect top crop size\n");
2173 if ((frame_topBand % 2) != 0) {
2174 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2177 if ((frame_topBand) >= frame_height){
2178 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2181 frame_height -= frame_topBand;
2184 static void opt_frame_crop_bottom(const char *arg)
2186 frame_bottomBand = atoi(arg);
2187 if (frame_bottomBand < 0) {
2188 fprintf(stderr, "Incorrect bottom crop size\n");
2191 if ((frame_bottomBand % 2) != 0) {
2192 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2195 if ((frame_bottomBand) >= frame_height){
2196 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2199 frame_height -= frame_bottomBand;
2202 static void opt_frame_crop_left(const char *arg)
2204 frame_leftBand = atoi(arg);
2205 if (frame_leftBand < 0) {
2206 fprintf(stderr, "Incorrect left crop size\n");
2209 if ((frame_leftBand % 2) != 0) {
2210 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2213 if ((frame_leftBand) >= frame_width){
2214 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2217 frame_width -= frame_leftBand;
2220 static void opt_frame_crop_right(const char *arg)
2222 frame_rightBand = atoi(arg);
2223 if (frame_rightBand < 0) {
2224 fprintf(stderr, "Incorrect right crop size\n");
2227 if ((frame_rightBand % 2) != 0) {
2228 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2231 if ((frame_rightBand) >= frame_width){
2232 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2235 frame_width -= frame_rightBand;
2238 static void opt_frame_size(const char *arg)
2240 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2241 fprintf(stderr, "Incorrect frame size\n");
2244 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2245 fprintf(stderr, "Frame size must be a multiple of 2\n");
2251 #define SCALEBITS 10
2252 #define ONE_HALF (1 << (SCALEBITS - 1))
2253 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2255 #define RGB_TO_Y(r, g, b) \
2256 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2257 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2259 #define RGB_TO_U(r1, g1, b1, shift)\
2260 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2261 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2263 #define RGB_TO_V(r1, g1, b1, shift)\
2264 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2265 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2267 static void opt_pad_color(const char *arg) {
2268 /* Input is expected to be six hex digits similar to
2269 how colors are expressed in html tags (but without the #) */
2270 int rgb = strtol(arg, NULL, 16);
2274 g = ((rgb >> 8) & 255);
2277 padcolor[0] = RGB_TO_Y(r,g,b);
2278 padcolor[1] = RGB_TO_U(r,g,b,0);
2279 padcolor[2] = RGB_TO_V(r,g,b,0);
2282 static void opt_frame_pad_top(const char *arg)
2284 frame_padtop = atoi(arg);
2285 if (frame_padtop < 0) {
2286 fprintf(stderr, "Incorrect top pad size\n");
2289 if ((frame_padtop % 2) != 0) {
2290 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2295 static void opt_frame_pad_bottom(const char *arg)
2297 frame_padbottom = atoi(arg);
2298 if (frame_padbottom < 0) {
2299 fprintf(stderr, "Incorrect bottom pad size\n");
2302 if ((frame_padbottom % 2) != 0) {
2303 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2309 static void opt_frame_pad_left(const char *arg)
2311 frame_padleft = atoi(arg);
2312 if (frame_padleft < 0) {
2313 fprintf(stderr, "Incorrect left pad size\n");
2316 if ((frame_padleft % 2) != 0) {
2317 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2323 static void opt_frame_pad_right(const char *arg)
2325 frame_padright = atoi(arg);
2326 if (frame_padright < 0) {
2327 fprintf(stderr, "Incorrect right pad size\n");
2330 if ((frame_padright % 2) != 0) {
2331 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2337 static void opt_frame_pix_fmt(const char *arg)
2339 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2342 static void opt_frame_aspect_ratio(const char *arg)
2348 p = strchr(arg, ':');
2350 x = strtol(arg, (char **)&arg, 10);
2352 y = strtol(arg+1, (char **)&arg, 10);
2354 ar = (double)x / (double)y;
2356 ar = strtod(arg, (char **)&arg);
2359 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2362 frame_aspect_ratio = ar;
2365 static void opt_gop_size(const char *arg)
2367 gop_size = atoi(arg);
2370 static void opt_b_frames(const char *arg)
2372 b_frames = atoi(arg);
2373 if (b_frames > FF_MAX_B_FRAMES) {
2374 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2376 } else if (b_frames < 1) {
2377 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2382 static void opt_mb_decision(const char *arg)
2384 mb_decision = atoi(arg);
2387 static void opt_mb_cmp(const char *arg)
2392 static void opt_ildct_cmp(const char *arg)
2394 ildct_cmp = atoi(arg);
2397 static void opt_sub_cmp(const char *arg)
2399 sub_cmp = atoi(arg);
2402 static void opt_cmp(const char *arg)
2407 static void opt_pre_cmp(const char *arg)
2409 pre_cmp = atoi(arg);
2412 static void opt_pre_me(const char *arg)
2417 static void opt_lumi_mask(const char *arg)
2419 lumi_mask = atof(arg);
2422 static void opt_dark_mask(const char *arg)
2424 dark_mask = atof(arg);
2427 static void opt_scplx_mask(const char *arg)
2429 scplx_mask = atof(arg);
2432 static void opt_tcplx_mask(const char *arg)
2434 tcplx_mask = atof(arg);
2437 static void opt_p_mask(const char *arg)
2442 static void opt_qscale(const char *arg)
2444 video_qscale = atof(arg);
2445 if (video_qscale < 0.01 ||
2446 video_qscale > 255) {
2447 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2452 static void opt_qsquish(const char *arg)
2454 video_qsquish = atof(arg);
2455 if (video_qsquish < 0.0 ||
2456 video_qsquish > 99.0) {
2457 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2462 static void opt_lelim(const char *arg)
2464 video_lelim = atoi(arg);
2465 if (video_lelim < -99 ||
2467 fprintf(stderr, "lelim must be >= -99 and <= 99\n");
2472 static void opt_celim(const char *arg)
2474 video_celim = atoi(arg);
2475 if (video_celim < -99 ||
2477 fprintf(stderr, "celim must be >= -99 and <= 99\n");
2482 static void opt_lmax(const char *arg)
2484 video_lmax = atof(arg)*FF_QP2LAMBDA;
2487 static void opt_lmin(const char *arg)
2489 video_lmin = atof(arg)*FF_QP2LAMBDA;
2492 static void opt_qmin(const char *arg)
2494 video_qmin = atoi(arg);
2495 if (video_qmin < 1 ||
2497 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2502 static void opt_qmax(const char *arg)
2504 video_qmax = atoi(arg);
2505 if (video_qmax < 1 ||
2507 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2512 static void opt_mb_lmin(const char *arg)
2514 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2515 if (video_mb_lmin < 1 ||
2516 video_mb_lmin > FF_LAMBDA_MAX) {
2517 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2522 static void opt_mb_lmax(const char *arg)
2524 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2525 if (video_mb_lmax < 1 ||
2526 video_mb_lmax > FF_LAMBDA_MAX) {
2527 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2532 static void opt_qdiff(const char *arg)
2534 video_qdiff = atoi(arg);
2535 if (video_qdiff < 0 ||
2537 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2542 static void opt_qblur(const char *arg)
2544 video_qblur = atof(arg);
2547 static void opt_qcomp(const char *arg)
2549 video_qcomp = atof(arg);
2552 static void opt_rc_initial_cplx(const char *arg)
2554 video_rc_initial_cplx = atof(arg);
2556 static void opt_b_qfactor(const char *arg)
2558 video_b_qfactor = atof(arg);
2560 static void opt_i_qfactor(const char *arg)
2562 video_i_qfactor = atof(arg);
2564 static void opt_b_qoffset(const char *arg)
2566 video_b_qoffset = atof(arg);
2568 static void opt_i_qoffset(const char *arg)
2570 video_i_qoffset = atof(arg);
2573 static void opt_ibias(const char *arg)
2575 video_intra_quant_bias = atoi(arg);
2577 static void opt_pbias(const char *arg)
2579 video_inter_quant_bias = atoi(arg);
2582 static void opt_packet_size(const char *arg)
2584 packet_size= atoi(arg);
2587 static void opt_error_rate(const char *arg)
2589 error_rate= atoi(arg);
2592 static void opt_strict(const char *arg)
2597 static void opt_top_field_first(const char *arg)
2599 top_field_first= atoi(arg);
2602 static void opt_noise_reduction(const char *arg)
2604 noise_reduction= atoi(arg);
2607 static void opt_qns(const char *arg)
2612 static void opt_sc_threshold(const char *arg)
2614 sc_threshold= atoi(arg);
2617 static void opt_me_range(const char *arg)
2619 me_range = atoi(arg);
2622 static void opt_thread_count(const char *arg)
2624 thread_count= atoi(arg);
2625 #if !defined(HAVE_THREADS)
2627 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2631 static void opt_audio_bitrate(const char *arg)
2633 audio_bit_rate = atoi(arg) * 1000;
2636 static void opt_audio_rate(const char *arg)
2638 audio_sample_rate = atoi(arg);
2641 static void opt_audio_channels(const char *arg)
2643 audio_channels = atoi(arg);
2646 static void opt_video_device(const char *arg)
2648 video_device = av_strdup(arg);
2651 static void opt_grab_device(const char *arg)
2653 grab_device = av_strdup(arg);
2656 static void opt_video_channel(const char *arg)
2658 video_channel = strtol(arg, NULL, 0);
2661 static void opt_video_standard(const char *arg)
2663 video_standard = av_strdup(arg);
2666 static void opt_audio_device(const char *arg)
2668 audio_device = av_strdup(arg);
2671 static void opt_audio_codec(const char *arg)
2675 if (!strcmp(arg, "copy")) {
2676 audio_stream_copy = 1;
2680 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_AUDIO)
2685 fprintf(stderr, "Unknown audio codec '%s'\n", arg);
2688 audio_codec_id = p->id;
2693 static void opt_audio_tag(const char *arg)
2696 audio_codec_tag= strtol(arg, &tail, 0);
2699 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2702 static void opt_video_tag(const char *arg)
2705 video_codec_tag= strtol(arg, &tail, 0);
2708 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2711 static void add_frame_hooker(const char *arg)
2716 char *args = av_strdup(arg);
2720 argv[0] = strtok(args, " ");
2721 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2724 i = frame_hook_add(argc, argv);
2727 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2732 const char *motion_str[] = {
2742 static void opt_motion_estimation(const char *arg)
2748 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2751 if (!strcmp(*p, arg))
2755 me_method = (p - motion_str) + 1;
2758 static void opt_video_codec(const char *arg)
2762 if (!strcmp(arg, "copy")) {
2763 video_stream_copy = 1;
2767 if (!strcmp(p->name, arg) && p->type == CODEC_TYPE_VIDEO)
2772 fprintf(stderr, "Unknown video codec '%s'\n", arg);
2775 video_codec_id = p->id;
2780 static void opt_map(const char *arg)
2786 m = &stream_maps[nb_stream_maps++];
2788 m->file_index = strtol(arg, (char **)&p, 0);
2792 m->stream_index = strtol(p, (char **)&p, 0);
2795 static void opt_map_meta_data(const char *arg)
2801 m = &meta_data_maps[nb_meta_data_maps++];
2803 m->out_file = strtol(arg, (char **)&p, 0);
2807 m->in_file = strtol(p, (char **)&p, 0);
2810 static void opt_recording_time(const char *arg)
2812 recording_time = parse_date(arg, 1);
2815 static void opt_start_time(const char *arg)
2817 start_time = parse_date(arg, 1);
2820 static void opt_rec_timestamp(const char *arg)
2822 rec_timestamp = parse_date(arg, 0) / 1000000;
2825 static void opt_input_ts_offset(const char *arg)
2827 input_ts_offset = parse_date(arg, 1);
2830 static void opt_input_file(const char *filename)
2832 AVFormatContext *ic;
2833 AVFormatParameters params, *ap = ¶ms;
2834 int err, i, ret, rfps, rfps_base;
2837 if (!strcmp(filename, "-"))
2840 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2841 !strcmp( filename, "/dev/stdin" );
2843 /* get default parameters from command line */
2844 memset(ap, 0, sizeof(*ap));
2845 ap->sample_rate = audio_sample_rate;
2846 ap->channels = audio_channels;
2847 ap->frame_rate = frame_rate;
2848 ap->frame_rate_base = frame_rate_base;
2849 ap->width = frame_width + frame_padleft + frame_padright;
2850 ap->height = frame_height + frame_padtop + frame_padbottom;
2851 ap->image_format = image_format;
2852 ap->pix_fmt = frame_pix_fmt;
2853 ap->device = grab_device;
2854 ap->channel = video_channel;
2855 ap->standard = video_standard;
2856 ap->video_codec_id = video_codec_id;
2857 ap->audio_codec_id = audio_codec_id;
2858 if(pgmyuv_compatibility_hack)
2859 ap->video_codec_id= CODEC_ID_PGMYUV;
2861 /* open the input file with generic libav function */
2862 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2864 print_error(filename, err);
2868 /* If not enough info to get the stream parameters, we decode the
2869 first frames to get it. (used in mpeg case for example) */
2870 ret = av_find_stream_info(ic);
2871 if (ret < 0 && verbose >= 0) {
2872 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2876 timestamp = start_time;
2877 /* add the stream start time */
2878 if (ic->start_time != AV_NOPTS_VALUE)
2879 timestamp += ic->start_time;
2881 /* if seeking requested, we execute it */
2882 if (start_time != 0) {
2883 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2885 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2886 filename, (double)timestamp / AV_TIME_BASE);
2888 /* reset seek info */
2892 /* update the current parameters so that they match the one of the input stream */
2893 for(i=0;i<ic->nb_streams;i++) {
2894 AVCodecContext *enc = &ic->streams[i]->codec;
2895 #if defined(HAVE_THREADS)
2897 avcodec_thread_init(enc, thread_count);
2899 enc->thread_count= thread_count;
2900 switch(enc->codec_type) {
2901 case CODEC_TYPE_AUDIO:
2902 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2903 audio_channels = enc->channels;
2904 audio_sample_rate = enc->sample_rate;
2906 ic->streams[i]->discard= AVDISCARD_ALL;
2908 case CODEC_TYPE_VIDEO:
2909 frame_height = enc->height;
2910 frame_width = enc->width;
2911 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2912 frame_pix_fmt = enc->pix_fmt;
2913 rfps = ic->streams[i]->r_frame_rate;
2914 rfps_base = ic->streams[i]->r_frame_rate_base;
2915 enc->workaround_bugs = workaround_bugs;
2916 enc->error_resilience = error_resilience;
2917 enc->error_concealment = error_concealment;
2918 enc->idct_algo = idct_algo;
2920 enc->debug_mv = debug_mv;
2921 enc->lowres= lowres;
2923 enc->flags|= CODEC_FLAG_BITEXACT;
2925 enc->debug |= FF_DEBUG_MV;
2927 if (enc->frame_rate != rfps || enc->frame_rate_base != rfps_base) {
2930 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2931 i, (float)enc->frame_rate / enc->frame_rate_base, enc->frame_rate, enc->frame_rate_base,
2933 (float)rfps / rfps_base, rfps, rfps_base);
2935 /* update the current frame rate to match the stream frame rate */
2937 frame_rate_base = rfps_base;
2939 enc->rate_emu = rate_emu;
2941 ic->streams[i]->discard= AVDISCARD_ALL;
2942 else if(video_discard)
2943 ic->streams[i]->discard= video_discard;
2945 case CODEC_TYPE_DATA:
2952 input_files[nb_input_files] = ic;
2953 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2954 /* dump the file content */
2956 dump_format(ic, nb_input_files, filename, 0);
2959 file_iformat = NULL;
2960 file_oformat = NULL;
2961 image_format = NULL;
2969 static void opt_grab(const char *arg)
2971 file_iformat = av_find_input_format(arg);
2975 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2977 int has_video, has_audio, i, j;
2978 AVFormatContext *ic;
2982 for(j=0;j<nb_input_files;j++) {
2983 ic = input_files[j];
2984 for(i=0;i<ic->nb_streams;i++) {
2985 AVCodecContext *enc = &ic->streams[i]->codec;
2986 switch(enc->codec_type) {
2987 case CODEC_TYPE_AUDIO:
2990 case CODEC_TYPE_VIDEO:
2993 case CODEC_TYPE_DATA:
3000 *has_video_ptr = has_video;
3001 *has_audio_ptr = has_audio;
3004 static void opt_output_file(const char *filename)
3007 AVFormatContext *oc;
3008 int use_video, use_audio, nb_streams, input_has_video, input_has_audio;
3010 AVFormatParameters params, *ap = ¶ms;
3012 if (!strcmp(filename, "-"))
3015 oc = av_alloc_format_context();
3017 if (!file_oformat) {
3018 file_oformat = guess_format(NULL, filename, NULL);
3019 if (!file_oformat) {
3020 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3026 oc->oformat = file_oformat;
3028 if (!strcmp(file_oformat->name, "ffm") &&
3029 strstart(filename, "http:", NULL)) {
3030 /* special case for files sent to ffserver: we get the stream
3031 parameters from ffserver */
3032 if (read_ffserver_streams(oc, filename) < 0) {
3033 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3037 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
3038 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
3040 /* disable if no corresponding type found and at least one
3042 if (nb_input_files > 0) {
3043 check_audio_video_inputs(&input_has_video, &input_has_audio);
3044 if (!input_has_video)
3046 if (!input_has_audio)
3050 /* manual disable */
3051 if (audio_disable) {
3054 if (video_disable) {
3060 AVCodecContext *video_enc;
3062 st = av_new_stream(oc, nb_streams++);
3064 fprintf(stderr, "Could not alloc stream\n");
3067 #if defined(HAVE_THREADS)
3069 avcodec_thread_init(&st->codec, thread_count);
3072 video_enc = &st->codec;
3075 video_enc->codec_tag= video_codec_tag;
3077 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3078 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3079 if (video_stream_copy) {
3080 st->stream_copy = 1;
3081 video_enc->codec_type = CODEC_TYPE_VIDEO;
3087 codec_id = av_guess_codec(file_oformat, NULL, filename, NULL, CODEC_TYPE_VIDEO);
3088 if (video_codec_id != CODEC_ID_NONE)
3089 codec_id = video_codec_id;
3091 video_enc->codec_id = codec_id;
3092 codec = avcodec_find_encoder(codec_id);
3094 video_enc->bit_rate = video_bit_rate;
3095 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3096 video_enc->frame_rate = frame_rate;
3097 video_enc->frame_rate_base = frame_rate_base;
3098 if(codec && codec->supported_framerates){
3099 const AVRational *p= codec->supported_framerates;
3100 AVRational req= (AVRational){frame_rate, frame_rate_base};
3101 const AVRational *best=NULL;
3102 AVRational best_error= (AVRational){INT_MAX, 1};
3103 for(; p->den!=0; p++){
3104 AVRational error= av_sub_q(req, *p);
3105 if(error.num <0) error.num *= -1;
3106 if(av_cmp_q(error, best_error) < 0){
3111 video_enc->frame_rate = best->num;
3112 video_enc->frame_rate_base= best->den;
3115 video_enc->width = frame_width + frame_padright + frame_padleft;
3116 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3117 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3118 video_enc->pix_fmt = frame_pix_fmt;
3120 if(codec && codec->pix_fmts){
3121 const enum PixelFormat *p= codec->pix_fmts;
3123 if(*p == video_enc->pix_fmt)
3127 video_enc->pix_fmt = codec->pix_fmts[0];
3131 video_enc->gop_size = gop_size;
3133 video_enc->gop_size = 0;
3134 if (video_qscale || same_quality) {
3135 video_enc->flags |= CODEC_FLAG_QSCALE;
3136 video_enc->global_quality=
3137 st->quality = FF_QP2LAMBDA * video_qscale;
3141 video_enc->intra_matrix = intra_matrix;
3143 video_enc->inter_matrix = inter_matrix;
3146 video_enc->flags |= CODEC_FLAG_BITEXACT;
3148 video_enc->mb_decision = mb_decision;
3149 video_enc->mb_cmp = mb_cmp;
3150 video_enc->ildct_cmp = ildct_cmp;
3151 video_enc->me_sub_cmp = sub_cmp;
3152 video_enc->me_cmp = cmp;
3153 video_enc->me_pre_cmp = pre_cmp;
3154 video_enc->pre_me = pre_me;
3155 video_enc->lumi_masking = lumi_mask;
3156 video_enc->dark_masking = dark_mask;
3157 video_enc->spatial_cplx_masking = scplx_mask;
3158 video_enc->temporal_cplx_masking = tcplx_mask;
3159 video_enc->p_masking = p_mask;
3160 video_enc->quantizer_noise_shaping= qns;
3163 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3166 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3169 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3172 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3175 video_enc->flags |= CODEC_FLAG_4MV;
3178 video_enc->flags |= CODEC_FLAG_OBMC;
3181 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3185 video_enc->flags |= CODEC_FLAG_PART;
3188 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3191 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3194 video_enc->flags |= CODEC_FLAG_MV0;
3196 if (do_normalize_aqp) {
3197 video_enc->flags |= CODEC_FLAG_NORMALIZE_AQP;
3199 if (use_scan_offset) {
3200 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3203 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3206 video_enc->flags2 |= CODEC_FLAG2_STRICT_GOP;
3209 video_enc->flags |= CODEC_FLAG_QPEL;
3212 video_enc->flags |= CODEC_FLAG_QP_RD;
3215 video_enc->flags |= CODEC_FLAG_CBP_RD;
3218 video_enc->max_b_frames = b_frames;
3219 video_enc->b_frame_strategy = 0;
3220 video_enc->b_quant_factor = 2.0;
3222 if (do_interlace_dct) {
3223 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3225 if (do_interlace_me) {
3226 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3229 video_enc->flags2 |= CODEC_FLAG2_NO_OUTPUT;
3231 video_enc->qmin = video_qmin;
3232 video_enc->qmax = video_qmax;
3233 video_enc->lmin = video_lmin;
3234 video_enc->lmax = video_lmax;
3235 video_enc->rc_qsquish = video_qsquish;
3236 video_enc->luma_elim_threshold = video_lelim;
3237 video_enc->chroma_elim_threshold = video_celim;
3238 video_enc->mb_lmin = video_mb_lmin;
3239 video_enc->mb_lmax = video_mb_lmax;
3240 video_enc->max_qdiff = video_qdiff;
3241 video_enc->qblur = video_qblur;
3242 video_enc->qcompress = video_qcomp;
3243 video_enc->rc_eq = video_rc_eq;
3244 video_enc->debug = debug;
3245 video_enc->debug_mv = debug_mv;
3246 video_enc->thread_count = thread_count;
3247 p= video_rc_override_string;
3250 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3252 fprintf(stderr, "error parsing rc_override\n");
3255 video_enc->rc_override=
3256 av_realloc(video_enc->rc_override,
3257 sizeof(RcOverride)*(i+1));
3258 video_enc->rc_override[i].start_frame= start;
3259 video_enc->rc_override[i].end_frame = end;
3261 video_enc->rc_override[i].qscale= q;
3262 video_enc->rc_override[i].quality_factor= 1.0;
3265 video_enc->rc_override[i].qscale= 0;
3266 video_enc->rc_override[i].quality_factor= -q/100.0;
3271 video_enc->rc_override_count=i;
3273 video_enc->rc_max_rate = video_rc_max_rate;
3274 video_enc->rc_min_rate = video_rc_min_rate;
3275 video_enc->rc_buffer_size = video_rc_buffer_size;
3276 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3277 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3278 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3279 video_enc->i_quant_factor = video_i_qfactor;
3280 video_enc->b_quant_factor = video_b_qfactor;
3281 video_enc->i_quant_offset = video_i_qoffset;
3282 video_enc->b_quant_offset = video_b_qoffset;
3283 video_enc->intra_quant_bias = video_intra_quant_bias;
3284 video_enc->inter_quant_bias = video_inter_quant_bias;
3285 video_enc->dct_algo = dct_algo;
3286 video_enc->idct_algo = idct_algo;
3287 video_enc->me_threshold= me_threshold;
3288 video_enc->mb_threshold= mb_threshold;
3289 video_enc->intra_dc_precision= intra_dc_precision - 8;
3290 video_enc->strict_std_compliance = strict;
3291 video_enc->error_rate = error_rate;
3292 video_enc->noise_reduction= noise_reduction;
3293 video_enc->scenechange_threshold= sc_threshold;
3294 video_enc->me_range = me_range;
3295 video_enc->coder_type= coder;
3296 video_enc->context_model= context;
3297 video_enc->prediction_method= predictor;
3298 video_enc->profile= video_profile;
3299 video_enc->level= video_level;
3300 video_enc->nsse_weight= nsse_weight;
3301 video_enc->me_subpel_quality= subpel_quality;
3302 video_enc->frame_skip_threshold= frame_skip_threshold;
3303 video_enc->frame_skip_factor= frame_skip_factor;
3304 video_enc->frame_skip_exp= frame_skip_exp;
3305 video_enc->frame_skip_cmp= frame_skip_cmp;
3308 video_enc->rtp_mode= 1;
3309 video_enc->rtp_payload_size= packet_size;
3313 video_enc->flags|= CODEC_FLAG_PSNR;
3315 video_enc->me_method = me_method;
3320 video_enc->flags |= CODEC_FLAG_PASS1;
3322 video_enc->flags |= CODEC_FLAG_PASS2;
3329 AVCodecContext *audio_enc;
3331 st = av_new_stream(oc, nb_streams++);
3333 fprintf(stderr, "Could not alloc stream\n");
3336 #if defined(HAVE_THREADS)
3338 avcodec_thread_init(&st->codec, thread_count);
3341 audio_enc = &st->codec;
3342 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3345 audio_enc->codec_tag= audio_codec_tag;
3347 if(!strcmp(file_oformat->name, "mp4") || !strcmp(file_oformat->name, "mov") || !strcmp(file_oformat->name, "3gp"))
3348 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3349 if (audio_stream_copy) {
3350 st->stream_copy = 1;
3351 audio_enc->channels = audio_channels;
3353 codec_id = av_guess_codec(file_oformat, NULL, filename, NULL, CODEC_TYPE_AUDIO);
3354 if (audio_codec_id != CODEC_ID_NONE)
3355 codec_id = audio_codec_id;
3356 audio_enc->codec_id = codec_id;
3358 audio_enc->bit_rate = audio_bit_rate;
3359 audio_enc->strict_std_compliance = strict;
3360 audio_enc->thread_count = thread_count;
3361 /* For audio codecs other than AC3 or DTS we limit */
3362 /* the number of coded channels to stereo */
3363 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3364 && codec_id != CODEC_ID_DTS) {
3365 audio_enc->channels = 2;
3367 audio_enc->channels = audio_channels;
3369 audio_enc->sample_rate = audio_sample_rate;
3372 oc->nb_streams = nb_streams;
3375 fprintf(stderr, "No audio or video streams available\n");
3379 oc->timestamp = rec_timestamp;
3382 pstrcpy(oc->title, sizeof(oc->title), str_title);
3384 pstrcpy(oc->author, sizeof(oc->author), str_author);
3386 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3388 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3391 output_files[nb_output_files++] = oc;
3393 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3395 /* check filename in case of an image number is expected */
3396 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3397 if (filename_number_test(oc->filename) < 0) {
3398 print_error(oc->filename, AVERROR_NUMEXPECTED);
3403 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3404 /* test if it already exists to avoid loosing precious files */
3405 if (!file_overwrite &&
3406 (strchr(filename, ':') == NULL ||
3407 strstart(filename, "file:", NULL))) {
3408 if (url_exist(filename)) {
3411 if ( !using_stdin ) {
3412 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3415 if (toupper(c) != 'Y') {
3416 fprintf(stderr, "Not overwriting - exiting\n");
3421 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3428 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3429 fprintf(stderr, "Could not open '%s'\n", filename);
3434 memset(ap, 0, sizeof(*ap));
3435 ap->image_format = image_format;
3436 if (av_set_parameters(oc, ap) < 0) {
3437 fprintf(stderr, "%s: Invalid encoding parameters\n",
3442 oc->packet_size= mux_packet_size;
3443 oc->mux_rate= mux_rate;
3444 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3445 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3447 /* reset some options */
3448 file_oformat = NULL;
3449 file_iformat = NULL;
3450 image_format = NULL;
3453 audio_codec_id = CODEC_ID_NONE;
3454 video_codec_id = CODEC_ID_NONE;
3455 audio_stream_copy = 0;
3456 video_stream_copy = 0;
3459 /* prepare dummy protocols for grab */
3460 static void prepare_grab(void)
3462 int has_video, has_audio, i, j;
3463 AVFormatContext *oc;
3464 AVFormatContext *ic;
3465 AVFormatParameters vp1, *vp = &vp1;
3466 AVFormatParameters ap1, *ap = &ap1;
3468 /* see if audio/video inputs are needed */
3471 memset(ap, 0, sizeof(*ap));
3472 memset(vp, 0, sizeof(*vp));
3473 vp->frame_rate_base= 1;
3474 for(j=0;j<nb_output_files;j++) {
3475 oc = output_files[j];
3476 for(i=0;i<oc->nb_streams;i++) {
3477 AVCodecContext *enc = &oc->streams[i]->codec;
3478 switch(enc->codec_type) {
3479 case CODEC_TYPE_AUDIO:
3480 if (enc->sample_rate > ap->sample_rate)
3481 ap->sample_rate = enc->sample_rate;
3482 if (enc->channels > ap->channels)
3483 ap->channels = enc->channels;
3486 case CODEC_TYPE_VIDEO:
3487 if (enc->width > vp->width)
3488 vp->width = enc->width;
3489 if (enc->height > vp->height)
3490 vp->height = enc->height;
3492 if (vp->frame_rate_base*(int64_t)enc->frame_rate > enc->frame_rate_base*(int64_t)vp->frame_rate){
3493 vp->frame_rate = enc->frame_rate;
3494 vp->frame_rate_base = enc->frame_rate_base;
3504 if (has_video == 0 && has_audio == 0) {
3505 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3510 AVInputFormat *fmt1;
3511 fmt1 = av_find_input_format(video_grab_format);
3512 vp->device = video_device;
3513 vp->channel = video_channel;
3514 vp->standard = video_standard;
3515 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3516 fprintf(stderr, "Could not find video grab device\n");
3519 /* If not enough info to get the stream parameters, we decode the
3520 first frames to get it. */
3521 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3522 fprintf(stderr, "Could not find video grab parameters\n");
3525 /* by now video grab has one stream */
3526 ic->streams[0]->r_frame_rate = vp->frame_rate;
3527 ic->streams[0]->r_frame_rate_base = vp->frame_rate_base;
3528 input_files[nb_input_files] = ic;
3531 dump_format(ic, nb_input_files, "", 0);
3535 if (has_audio && audio_grab_format) {
3536 AVInputFormat *fmt1;
3537 fmt1 = av_find_input_format(audio_grab_format);
3538 ap->device = audio_device;
3539 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
3540 fprintf(stderr, "Could not find audio grab device\n");
3543 input_files[nb_input_files] = ic;
3546 dump_format(ic, nb_input_files, "", 0);
3552 /* same option as mencoder */
3553 static void opt_pass(const char *pass_str)
3556 pass = atoi(pass_str);
3557 if (pass != 1 && pass != 2) {
3558 fprintf(stderr, "pass number can be only 1 or 2\n");
3564 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
3565 static int64_t getutime(void)
3567 return av_gettime();
3570 static int64_t getutime(void)
3572 struct rusage rusage;
3574 getrusage(RUSAGE_SELF, &rusage);
3575 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3579 extern int ffm_nopts;
3581 static void opt_bitexact(void)
3584 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3588 static void show_formats(void)
3590 AVInputFormat *ifmt;
3591 AVOutputFormat *ofmt;
3592 AVImageFormat *image_fmt;
3595 const char **pp, *last_name;
3597 printf("File formats:\n");
3602 const char *name=NULL;
3603 const char *long_name=NULL;
3605 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3606 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3607 strcmp(ofmt->name, last_name)>0){
3609 long_name= ofmt->long_name;
3613 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3614 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3615 strcmp(ifmt->name, last_name)>0){
3617 long_name= ifmt->long_name;
3620 if(name && strcmp(ifmt->name, name)==0)
3632 long_name ? long_name:" ");
3636 printf("Image formats (filename extensions, if any, follow):\n");
3637 for(image_fmt = first_image_format; image_fmt != NULL;
3638 image_fmt = image_fmt->next) {
3641 image_fmt->img_read ? "D":" ",
3642 image_fmt->img_write ? "E":" ",
3644 image_fmt->extensions ? image_fmt->extensions:" ");
3648 printf("Codecs:\n");
3656 for(p = first_avcodec; p != NULL; p = p->next) {
3657 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3658 strcmp(p->name, last_name)>0){
3660 decode= encode= cap=0;
3662 if(p2 && strcmp(p->name, p2->name)==0){
3663 if(p->decode) decode=1;
3664 if(p->encode) encode=1;
3665 cap |= p->capabilities;
3670 last_name= p2->name;
3674 decode ? "D": (/*p2->decoder ? "d":*/" "),
3676 p2->type == CODEC_TYPE_AUDIO ? "A":"V",
3677 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3678 cap & CODEC_CAP_DR1 ? "D":" ",
3679 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3681 /* if(p2->decoder && decode==0)
3682 printf(" use %s for decoding", p2->decoder->name);*/
3687 printf("Supported file protocols:\n");
3688 for(up = first_protocol; up != NULL; up = up->next)
3689 printf(" %s:", up->name);
3692 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3693 printf("Motion estimation methods:\n");
3697 if ((pp - motion_str + 1) == ME_ZERO)
3698 printf("(fastest)");
3699 else if ((pp - motion_str + 1) == ME_FULL)
3700 printf("(slowest)");
3701 else if ((pp - motion_str + 1) == ME_EPZS)
3702 printf("(default)");
3707 "Note, the names of encoders and decoders dont always match, so there are\n"
3708 "several cases where the above table shows encoder only or decoder only entries\n"
3709 "even though both encoding and decoding are supported for example, the h263\n"
3710 "decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3715 void parse_matrix_coeffs(uint16_t *dest, const char *str)
3718 const char *p = str;
3725 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3732 void opt_inter_matrix(const char *arg)
3734 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3735 parse_matrix_coeffs(inter_matrix, arg);
3738 void opt_intra_matrix(const char *arg)
3740 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3741 parse_matrix_coeffs(intra_matrix, arg);
3744 static void opt_target(const char *arg)
3747 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3749 if(!strncmp(arg, "pal-", 4)) {
3752 } else if(!strncmp(arg, "ntsc-", 5)) {
3755 } else if(!strncmp(arg, "film-", 5)) {
3760 /* Calculate FR via float to avoid int overflow */
3761 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
3764 } else if((fr == 29970) || (fr == 23976)) {
3767 /* Try to determine PAL/NTSC by peeking in the input files */
3768 if(nb_input_files) {
3770 for(j = 0; j < nb_input_files; j++) {
3771 for(i = 0; i < input_files[j]->nb_streams; i++) {
3772 AVCodecContext *c = &input_files[j]->streams[i]->codec;
3773 if(c->codec_type != CODEC_TYPE_VIDEO)
3775 fr = c->frame_rate * 1000 / c->frame_rate_base;
3779 } else if((fr == 29970) || (fr == 23976)) {
3789 if(verbose && norm >= 0)
3790 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3794 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3795 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3796 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3800 if(!strcmp(arg, "vcd")) {
3802 opt_video_codec("mpeg1video");
3803 opt_audio_codec("mp2");
3806 opt_frame_size(norm ? "352x240" : "352x288");
3807 opt_frame_rate(frame_rates[norm]);
3808 opt_gop_size(norm ? "18" : "15");
3810 video_bit_rate = 1150000;
3811 video_rc_max_rate = 1150000;
3812 video_rc_min_rate = 1150000;
3813 video_rc_buffer_size = 40*1024*8;
3815 audio_bit_rate = 224000;
3816 audio_sample_rate = 44100;
3818 mux_packet_size= 2324;
3819 mux_rate= 2352 * 75 * 8;
3821 /* We have to offset the PTS, so that it is consistent with the SCR.
3822 SCR starts at 36000, but the first two packs contain only padding
3823 and the first pack from the other stream, respectively, may also have
3824 been written before.
3825 So the real data starts at SCR 36000+3*1200. */
3826 mux_preload= (36000+3*1200) / 90000.0; //0.44
3827 } else if(!strcmp(arg, "svcd")) {
3829 opt_video_codec("mpeg2video");
3830 opt_audio_codec("mp2");
3833 opt_frame_size(norm ? "480x480" : "480x576");
3834 opt_frame_rate(frame_rates[norm]);
3835 opt_gop_size(norm ? "18" : "15");
3837 video_bit_rate = 2040000;
3838 video_rc_max_rate = 2516000;
3839 video_rc_min_rate = 0; //1145000;
3840 video_rc_buffer_size = 224*1024*8;
3841 use_scan_offset = 1;
3843 audio_bit_rate = 224000;
3844 audio_sample_rate = 44100;
3846 mux_packet_size= 2324;
3848 } else if(!strcmp(arg, "dvd")) {
3850 opt_video_codec("mpeg2video");
3851 opt_audio_codec("ac3");
3854 opt_frame_size(norm ? "720x480" : "720x576");
3855 opt_frame_rate(frame_rates[norm]);
3856 opt_gop_size(norm ? "18" : "15");
3858 video_bit_rate = 6000000;
3859 video_rc_max_rate = 9000000;
3860 video_rc_min_rate = 0; //1500000;
3861 video_rc_buffer_size = 224*1024*8;
3863 mux_packet_size= 2048; // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3864 mux_rate = 10080000; // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3866 audio_bit_rate = 448000;
3867 audio_sample_rate = 48000;
3869 } else if(!strcmp(arg, "dv")) {
3873 opt_frame_size(norm ? "720x480" : "720x576");
3874 opt_frame_rate(frame_rates[norm]);
3876 audio_sample_rate = 48000;
3880 fprintf(stderr, "Unknown target: %s\n", arg);
3885 static void show_version(void)
3887 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3890 avcodec_build(), LIBAVFORMAT_BUILD);
3894 const OptionDef options[] = {
3896 { "L", 0, {(void*)show_license}, "show license" },
3897 { "h", 0, {(void*)show_help}, "show help" },
3898 { "version", 0, {(void*)show_version}, "show version" },
3899 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3900 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3901 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
3902 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3903 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3904 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream" },
3905 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3906 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3907 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3908 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3909 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3910 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3911 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3912 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3913 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3914 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
3915 { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
3916 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3917 "add timings for benchmarking" },
3918 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3919 "dump each input packet" },
3920 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3921 "when dumping packets, also dump the payload" },
3922 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
3923 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3924 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3925 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3926 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3927 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3928 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3929 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3930 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3933 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
3934 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3935 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3936 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3937 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3938 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3939 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3940 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3941 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3942 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3943 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3944 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3945 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3946 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3947 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3948 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3949 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3950 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
3951 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3952 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3953 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold" },
3954 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
3955 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
3956 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
3957 { "lmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmin}, "min video lagrange factor (VBR)", "lambda" },
3958 { "lmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmax}, "max video lagrange factor (VBR)", "lambda" },
3959 { "mblmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmin}, "min macroblock quantiser scale (VBR)", "q" },
3960 { "mblmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmax}, "max macroblock quantiser scale (VBR)", "q" },
3961 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
3962 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
3963 { "qsquish", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qsquish}, "how to keep quantiser between qmin and qmax (0 = clip, 1 = use differentiable function)", "squish" },
3964 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
3965 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
3966 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
3967 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
3968 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
3969 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
3970 { "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" },
3971 { "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" },
3972 // { "b_strategy", HAS_ARG | OPT_EXPERT, {(void*)opt_b_strategy}, "dynamic b frame selection strategy", "strategy" },
3973 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
3974 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
3975 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
3976 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
3977 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
3978 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffer size (in kByte)", "size" },
3979 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
3980 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
3982 { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" },
3983 { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" },
3984 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
3985 { "mb_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_threshold}, "macroblock threshold", "" },
3986 { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" },
3987 { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" },
3988 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
3989 { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
3990 { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
3991 { "mbcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_cmp}, "macroblock compare function", "cmp function" },
3992 { "ildctcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ildct_cmp}, "ildct compare function", "cmp function" },
3993 { "subcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sub_cmp}, "subpel compare function", "cmp function" },
3994 { "cmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_cmp}, "fullpel compare function", "cmp function" },
3995 { "precmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_cmp}, "pre motion estimation compare function", "cmp function" },
3996 { "preme", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_me}, "pre motion estimation", "" },
3997 { "lelim", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lelim}, "single coefficient elimination threshold for luminance (negative values also consider DC coefficient)", "elim" },
3998 { "celim", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_celim}, "single coefficient elimination threshold for chrominance (negative values also consider DC coefficient)", "elim" },
3999 { "lumi_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lumi_mask}, "luminance masking", "" },
4000 { "dark_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dark_mask}, "darkness masking", "" },
4001 { "scplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_scplx_mask}, "spatial complexity masking", "" },
4002 { "tcplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_tcplx_mask}, "temporal complexity masking", "" },
4003 { "p_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_p_mask}, "inter masking", "" },
4004 { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (MPEG4)" },
4005 { "obmc", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_obmc}, "use overlapped block motion compensation (h263+)" },
4006 { "lf", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_loop}, "use loop filter (h263+)" },
4007 { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (MPEG4)" },
4008 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
4009 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
4010 { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
4011 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
4012 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4013 "use same video quality as source (implies VBR)" },
4014 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4015 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
4016 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4017 "deinterlace pictures" },
4018 { "ildct", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_dct},
4019 "force interlaced dct support in encoder (MPEG2/MPEG4)" },
4020 { "ilme", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_me},
4021 "force interlaced me support in encoder (MPEG2/MPEG4)" },
4022 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4023 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
4024 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
4025 { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
4026 { "aiv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aiv}, "enable Alternative inter vlc (h263+)" },
4027 { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
4028 { "ssm", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_ss}, "enable Slice Structured mode (h263+)" },
4029 { "alt", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_alt_scan}, "enable alternate scantable (MPEG2/MPEG4)" },
4030 { "qprd", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_qprd}, "" },
4031 { "cbp", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_cbprd}, "" },
4032 { "trell", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_trell}, "enable trellis quantization" },
4033 { "mv0", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_mv0}, "try to encode each MB with MV=<0,0> and choose the better one (has no effect if mbd=0)" },
4034 { "naq", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_normalize_aqp}, "normalize adaptive quantization" },
4035 { "cgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&closed_gop}, "closed gop" },
4036 { "sgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&strict_gop}, "strict gop" },
4037 { "noout", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&no_output}, "skip bitstream encoding" },
4038 { "scan_offset", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_scan_offset}, "enable SVCD Scan Offset placeholder" },
4039 { "qpel", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_qpel}, "enable 1/4-pel" },
4040 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4041 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4042 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4043 { "nr", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_noise_reduction}, "noise reduction", "" },
4044 { "qns", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qns}, "quantization noise shaping", "" },
4045 { "sc_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sc_threshold}, "scene change threshold", "threshold" },
4046 { "me_range", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_range}, "limit motion vectors range (1023 for DivX player)", "range" },
4047 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4048 { "coder", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&coder}, "coder type", "" },
4049 { "context", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&context}, "context model", "" },
4050 { "pred", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&predictor}, "prediction method", "" },
4051 { "vprofile", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_profile}, "profile", "" },
4052 { "vlevel", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_level}, "level", "" },
4053 { "nssew", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&nsse_weight}, "weight", "" },
4054 { "subq", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&subpel_quality}, "", "" },
4055 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&lowres}, "", "" },
4056 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4057 { "skip_threshold", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_threshold}, "frame skip threshold", "threshold" },
4058 { "skip_factor", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_factor}, "frame skip factor", "factor" },
4059 { "skip_exp", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_exp}, "frame skip exponent", "exponent" },
4060 { "skip_cmp", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_cmp}, "frame skip compare function", "compare function" },
4063 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
4064 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4065 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4066 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4067 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4068 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4071 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
4072 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4073 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4074 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
4076 /* G.2 grab options */
4077 { "grab", HAS_ARG | OPT_EXPERT | OPT_GRAB, {(void*)opt_grab}, "request grabbing using", "format" },
4078 { "gd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_grab_device}, "set grab device", "device" },
4081 { "muxrate", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_rate}, "set mux rate", "rate" },
4082 { "packetsize", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_packet_size}, "set packet size", "size" },
4083 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4084 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4088 static void show_banner(void)
4090 fprintf(stderr, "ffmpeg version " FFMPEG_VERSION ", build %d, Copyright (c) 2000-2004 Fabrice Bellard\n",
4092 fprintf(stderr, " configuration: %s\n", FFMPEG_CONFIGURATION);
4093 fprintf(stderr, " built on " __DATE__ " " __TIME__);
4095 fprintf(stderr, ", gcc: %s\n", __VERSION__);
4097 fprintf(stderr, ", using a non-gcc compiler\n");
4101 static void show_license(void)
4106 "This program is free software; you can redistribute it and/or modify\n"
4107 "it under the terms of the GNU General Public License as published by\n"
4108 "the Free Software Foundation; either version 2 of the License, or\n"
4109 "(at your option) any later version.\n"
4111 "This program is distributed in the hope that it will be useful,\n"
4112 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4113 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
4114 "GNU General Public License for more details.\n"
4116 "You should have received a copy of the GNU General Public License\n"
4117 "along with this program; if not, write to the Free Software\n"
4118 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
4122 "This library is free software; you can redistribute it and/or\n"
4123 "modify it under the terms of the GNU Lesser General Public\n"
4124 "License as published by the Free Software Foundation; either\n"
4125 "version 2 of the License, or (at your option) any later version.\n"
4127 "This library is distributed in the hope that it will be useful,\n"
4128 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4129 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4130 "Lesser General Public License for more details.\n"
4132 "You should have received a copy of the GNU Lesser General Public\n"
4133 "License along with this library; if not, write to the Free Software\n"
4134 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
4140 static void show_help(void)
4143 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
4144 "Hyper fast Audio and Video encoder\n");
4146 show_help_options(options, "Main options:\n",
4147 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
4148 show_help_options(options, "\nVideo options:\n",
4149 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4151 show_help_options(options, "\nAdvanced Video options:\n",
4152 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4153 OPT_VIDEO | OPT_EXPERT);
4154 show_help_options(options, "\nAudio options:\n",
4155 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4157 show_help_options(options, "\nAdvanced Audio options:\n",
4158 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4159 OPT_AUDIO | OPT_EXPERT);
4160 show_help_options(options, "\nAudio/Video grab options:\n",
4163 show_help_options(options, "\nAdvanced options:\n",
4164 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4169 void parse_arg_file(const char *filename)
4171 opt_output_file(filename);
4174 int main(int argc, char **argv)
4187 parse_options(argc, argv, options);
4189 /* file converter / grab */
4190 if (nb_output_files <= 0) {
4191 fprintf(stderr, "Must supply at least one output file\n");
4195 if (nb_input_files == 0) {
4201 av_encode(output_files, nb_output_files, input_files, nb_input_files,
4202 stream_maps, nb_stream_maps);
4203 ti = getutime() - ti;
4205 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4209 for(i=0;i<nb_output_files;i++) {
4210 /* maybe av_close_output_file ??? */
4211 AVFormatContext *s = output_files[i];
4213 if (!(s->oformat->flags & AVFMT_NOFILE))
4215 for(j=0;j<s->nb_streams;j++)
4216 av_free(s->streams[j]);
4219 for(i=0;i<nb_input_files;i++)
4220 av_close_input_file(input_files[i]);
4225 av_free(intra_matrix);
4227 av_free(inter_matrix);
4229 #ifdef POWERPC_PERFORMANCE_REPORT
4230 extern void powerpc_display_perf_report(void);
4231 powerpc_display_perf_report();
4232 #endif /* POWERPC_PERFORMANCE_REPORT */
4234 #ifndef CONFIG_WIN32
4235 if (received_sigterm) {
4237 "Received signal %d: terminating.\n",
4238 (int) received_sigterm);
4242 exit(0); /* not all OS-es handle main() return value */