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 {
56 int sync_stream_index;
59 /** select an input file for an output file */
60 typedef struct AVMetaDataMap {
65 extern const OptionDef options[];
67 static void show_help(void);
68 static void show_license(void);
72 static AVFormatContext *input_files[MAX_FILES];
73 static int64_t input_files_ts_offset[MAX_FILES];
74 static int nb_input_files = 0;
76 static AVFormatContext *output_files[MAX_FILES];
77 static int nb_output_files = 0;
79 static AVStreamMap stream_maps[MAX_FILES];
80 static int nb_stream_maps;
82 static AVMetaDataMap meta_data_maps[MAX_FILES];
83 static int nb_meta_data_maps;
85 static AVInputFormat *file_iformat;
86 static AVOutputFormat *file_oformat;
87 static AVImageFormat *image_format;
88 static int frame_width = 0;
89 static int frame_height = 0;
90 static float frame_aspect_ratio = 0;
91 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
92 static int frame_padtop = 0;
93 static int frame_padbottom = 0;
94 static int frame_padleft = 0;
95 static int frame_padright = 0;
96 static int padcolor[3] = {16,128,128}; /* default to black */
97 static int frame_topBand = 0;
98 static int frame_bottomBand = 0;
99 static int frame_leftBand = 0;
100 static int frame_rightBand = 0;
101 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
102 static int frame_rate = 25;
103 static int frame_rate_base = 1;
104 static int video_bit_rate = 200*1000;
105 static int video_bit_rate_tolerance = 4000*1000;
106 static float video_qscale = 0;
107 static int video_qmin = 2;
108 static int video_qmax = 31;
109 static int video_lmin = 2*FF_QP2LAMBDA;
110 static int video_lmax = 31*FF_QP2LAMBDA;
111 static int video_mb_lmin = 2*FF_QP2LAMBDA;
112 static int video_mb_lmax = 31*FF_QP2LAMBDA;
113 static int video_qdiff = 3;
114 static int video_lelim = 0;
115 static int video_celim = 0;
116 static float video_qblur = 0.5;
117 static float video_qsquish = 0.0;
118 static float video_qcomp = 0.5;
119 static uint16_t *intra_matrix = NULL;
120 static uint16_t *inter_matrix = NULL;
121 #if 0 //experimental, (can be removed)
122 static float video_rc_qsquish=1.0;
123 static float video_rc_qmod_amp=0;
124 static int video_rc_qmod_freq=0;
126 static char *video_rc_override_string=NULL;
127 static char *video_rc_eq="tex^qComp";
128 static int video_rc_buffer_size=0;
129 static float video_rc_buffer_aggressivity=1.0;
130 static int video_rc_max_rate=0;
131 static int video_rc_min_rate=0;
132 static float video_rc_initial_cplx=0;
133 static float video_b_qfactor = 1.25;
134 static float video_b_qoffset = 1.25;
135 static float video_i_qfactor = -0.8;
136 static float video_i_qoffset = 0.0;
137 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
138 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
139 static int me_method = ME_EPZS;
140 static int video_disable = 0;
141 static int video_discard = 0;
142 static int video_codec_id = CODEC_ID_NONE;
143 static int video_codec_tag = 0;
144 static int same_quality = 0;
145 static int b_frames = 0;
146 static int b_strategy = 0;
147 static int mb_decision = FF_MB_DECISION_SIMPLE;
148 static int ildct_cmp = FF_CMP_VSAD;
149 static int mb_cmp = FF_CMP_SAD;
150 static int sub_cmp = FF_CMP_SAD;
151 static int cmp = FF_CMP_SAD;
152 static int pre_cmp = FF_CMP_SAD;
153 static int pre_me = 0;
154 static float lumi_mask = 0;
155 static float dark_mask = 0;
156 static float scplx_mask = 0;
157 static float tcplx_mask = 0;
158 static float p_mask = 0;
159 static int use_4mv = 0;
160 static int use_obmc = 0;
161 static int use_loop = 0;
162 static int use_aic = 0;
163 static int use_aiv = 0;
164 static int use_umv = 0;
165 static int use_ss = 0;
166 static int use_alt_scan = 0;
167 static int use_trell = 0;
168 static int use_scan_offset = 0;
169 static int use_qpel = 0;
170 static int use_qprd = 0;
171 static int use_cbprd = 0;
172 static int use_mv0 = 0;
173 static int do_normalize_aqp = 0;
175 static int closed_gop = 0;
176 static int strict_gop = 0;
177 static int no_output = 0;
178 static int do_deinterlace = 0;
179 static int do_interlace_dct = 0;
180 static int do_interlace_me = 0;
181 static int workaround_bugs = FF_BUG_AUTODETECT;
182 static int error_resilience = 2;
183 static int error_concealment = 3;
184 static int dct_algo = 0;
185 static int idct_algo = 0;
186 static int use_part = 0;
187 static int packet_size = 0;
188 static int error_rate = 0;
189 static int strict = 0;
190 static int top_field_first = -1;
191 static int noise_reduction = 0;
192 static int sc_threshold = 0;
193 static int debug = 0;
194 static int debug_mv = 0;
195 static int me_threshold = 0;
196 static int mb_threshold = 0;
197 static int intra_dc_precision = 8;
198 static int coder = 0;
199 static int context = 0;
200 static int predictor = 0;
201 static int video_profile = FF_PROFILE_UNKNOWN;
202 static int video_level = FF_LEVEL_UNKNOWN;
203 static int nsse_weight = 8;
204 static int subpel_quality= 8;
205 static int me_penalty_compensation= 256;
206 static int lowres= 0;
207 static int frame_skip_threshold= 0;
208 static int frame_skip_factor= 0;
209 static int frame_skip_exp= 0;
210 static int frame_skip_cmp= FF_CMP_DCTMAX;
211 extern int loop_input; /* currently a hack */
212 static int loop_output = AVFMT_NOOUTPUTLOOP;
213 static int gray_only = 0;
215 static int gop_size = 12;
216 static int intra_only = 0;
217 static int audio_sample_rate = 44100;
218 static int audio_bit_rate = 64000;
219 static int audio_disable = 0;
220 static int audio_channels = 1;
221 static int audio_codec_id = CODEC_ID_NONE;
222 static int audio_codec_tag = 0;
223 static char *audio_language = NULL;
225 static int subtitle_codec_id = CODEC_ID_NONE;
226 static char *subtitle_language = NULL;
228 static int mux_rate= 0;
229 static int mux_packet_size= 0;
230 static float mux_preload= 0.5;
231 static float mux_max_delay= 0.7;
233 static int64_t recording_time = 0;
234 static int64_t start_time = 0;
235 static int64_t rec_timestamp = 0;
236 static int64_t input_ts_offset = 0;
237 static int file_overwrite = 0;
238 static char *str_title = NULL;
239 static char *str_author = NULL;
240 static char *str_copyright = NULL;
241 static char *str_comment = NULL;
242 static int do_benchmark = 0;
243 static int do_hex_dump = 0;
244 static int do_pkt_dump = 0;
245 static int do_psnr = 0;
246 static int do_vstats = 0;
247 static int do_pass = 0;
248 static int bitexact = 0;
249 static char *pass_logfilename = NULL;
250 static int audio_stream_copy = 0;
251 static int video_stream_copy = 0;
252 static int subtitle_stream_copy = 0;
253 static int video_sync_method= 1;
254 static int audio_sync_method= 0;
255 static int copy_ts= 0;
256 static int opt_shortest = 0; //
258 static int rate_emu = 0;
260 static char *video_grab_format = "video4linux";
261 static char *video_device = NULL;
262 static char *grab_device = NULL;
263 static int video_channel = 0;
264 static char *video_standard = "ntsc";
266 static char *audio_grab_format = "audio_device";
267 static char *audio_device = NULL;
268 static int audio_volume = 256;
270 static int using_stdin = 0;
271 static int using_vhook = 0;
272 static int verbose = 1;
273 static int thread_count= 1;
274 static int q_pressed = 0;
275 static int me_range = 0;
276 static int64_t video_size = 0;
277 static int64_t audio_size = 0;
278 static int64_t extra_size = 0;
279 static int nb_frames_dup = 0;
280 static int nb_frames_drop = 0;
281 static int input_sync;
282 static int limit_filesize = 0; //
284 static int pgmyuv_compatibility_hack=0;
287 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
289 struct AVInputStream;
291 typedef struct AVOutputStream {
292 int file_index; /* file index */
293 int index; /* stream index in the output file */
294 int source_index; /* AVInputStream index */
295 AVStream *st; /* stream in the output file */
296 int encoding_needed; /* true if encoding needed for this stream */
298 /* input pts and corresponding output pts
300 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
301 struct AVInputStream *sync_ist; /* input stream to sync against */
302 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
304 int video_resample; /* video_resample and video_crop are mutually exclusive */
305 AVFrame pict_tmp; /* temporary image for resampling */
306 ImgReSampleContext *img_resample_ctx; /* for image resampling */
308 int video_crop; /* video_resample and video_crop are mutually exclusive */
309 int topBand; /* cropping area sizes */
312 int video_pad; /* video_resample and video_pad are mutually exclusive */
313 int padtop; /* padding area sizes */
320 ReSampleContext *resample; /* for audio resampling */
321 FifoBuffer fifo; /* for compression: one audio fifo per codec */
325 typedef struct AVInputStream {
329 int discard; /* true if stream data should be discarded */
330 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
331 int64_t sample_index; /* current sample */
333 int64_t start; /* time when read started */
334 unsigned long frame; /* current frame */
335 int64_t next_pts; /* synthetic pts for cases where pkt.pts
337 int64_t pts; /* current pts */
338 int is_start; /* is 1 at the start and after a discontinuity */
341 typedef struct AVInputFile {
342 int eof_reached; /* true if eof reached */
343 int ist_index; /* index of first stream in ist_table */
344 int buffer_size; /* current total buffer size */
345 int buffer_size_max; /* buffer size at which we consider we can stop
347 int nb_streams; /* nb streams we are aware of */
352 /* init terminal so that we can grab keys */
353 static struct termios oldtty;
355 static void term_exit(void)
357 tcsetattr (0, TCSANOW, &oldtty);
360 static volatile sig_atomic_t received_sigterm = 0;
363 sigterm_handler(int sig)
365 received_sigterm = sig;
369 static void term_init(void)
376 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
377 |INLCR|IGNCR|ICRNL|IXON);
378 tty.c_oflag |= OPOST;
379 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
380 tty.c_cflag &= ~(CSIZE|PARENB);
385 tcsetattr (0, TCSANOW, &tty);
387 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
388 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
389 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
391 register a function to be called at normal program termination
394 #ifdef CONFIG_BEOS_NETSERVER
395 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
399 /* read a key without blocking */
400 static int read_key(void)
404 #ifndef CONFIG_BEOS_NETSERVER
412 n = select(1, &rfds, NULL, NULL, &tv);
424 static int decode_interrupt_cb(void)
426 return q_pressed || (q_pressed = read_key() == 'q');
431 static volatile int received_sigterm = 0;
433 /* no interactive support */
434 static void term_exit(void)
438 static void term_init(void)
442 static int read_key(void)
449 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
454 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
457 /* copy stream format */
458 s->nb_streams = ic->nb_streams;
459 for(i=0;i<ic->nb_streams;i++) {
462 st = av_mallocz(sizeof(AVStream));
463 memcpy(st, ic->streams[i], sizeof(AVStream));
467 av_close_input_file(ic);
472 get_sync_ipts(const AVOutputStream *ost)
474 const AVInputStream *ist = ost->sync_ist;
475 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
478 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
480 static void do_audio_out(AVFormatContext *s,
483 unsigned char *buf, int size)
486 static uint8_t *audio_buf = NULL;
487 static uint8_t *audio_out = NULL;
488 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
490 int size_out, frame_bytes, ret;
491 AVCodecContext *enc= &ost->st->codec;
493 /* SC: dynamic allocation of buffers */
495 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
497 audio_out = av_malloc(audio_out_size);
498 if (!audio_buf || !audio_out)
499 return; /* Should signal an error ! */
501 if(audio_sync_method){
502 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
503 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2);
504 double idelta= delta*ist->st->codec.sample_rate / enc->sample_rate;
505 int byte_delta= ((int)idelta)*2*ist->st->codec.channels;
507 //FIXME resample delay
508 if(fabs(delta) > 50){
511 byte_delta= FFMAX(byte_delta, -size);
515 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
520 static uint8_t *input_tmp= NULL;
521 input_tmp= av_realloc(input_tmp, byte_delta + size);
523 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
526 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
528 memset(input_tmp, 0, byte_delta);
529 memcpy(input_tmp + byte_delta, buf, size);
533 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
535 }else if(audio_sync_method>1){
536 int comp= clip(delta, -audio_sync_method, audio_sync_method);
537 assert(ost->audio_resample);
539 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
540 // fprintf(stderr, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta, -1, ost->sync_opts, (int64_t)(get_sync_ipts(ost) * enc->sample_rate), fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2));
541 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
545 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
546 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec.channels * 2); //FIXME wrong
548 if (ost->audio_resample) {
550 size_out = audio_resample(ost->resample,
551 (short *)buftmp, (short *)buf,
552 size / (ist->st->codec.channels * 2));
553 size_out = size_out * enc->channels * 2;
559 /* now encode as many frames as possible */
560 if (enc->frame_size > 1) {
561 /* output resampled raw samples */
562 fifo_write(&ost->fifo, buftmp, size_out,
565 frame_bytes = enc->frame_size * 2 * enc->channels;
567 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
568 &ost->fifo.rptr) == 0) {
570 av_init_packet(&pkt);
572 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
575 pkt.stream_index= ost->index;
579 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
580 pkt.flags |= PKT_FLAG_KEY;
581 av_interleaved_write_frame(s, &pkt);
583 ost->sync_opts += enc->frame_size;
587 av_init_packet(&pkt);
589 ost->sync_opts += size_out / (2 * enc->channels);
591 /* output a pcm frame */
592 /* XXX: change encoding codec API to avoid this ? */
593 switch(enc->codec->id) {
594 case CODEC_ID_PCM_S16LE:
595 case CODEC_ID_PCM_S16BE:
596 case CODEC_ID_PCM_U16LE:
597 case CODEC_ID_PCM_U16BE:
600 size_out = size_out >> 1;
603 ret = avcodec_encode_audio(enc, audio_out, size_out,
606 pkt.stream_index= ost->index;
610 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
611 pkt.flags |= PKT_FLAG_KEY;
612 av_interleaved_write_frame(s, &pkt);
616 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
620 AVPicture picture_tmp;
623 dec = &ist->st->codec;
625 /* deinterlace : must be done before any resize */
626 if (do_deinterlace || using_vhook) {
629 /* create temporary picture */
630 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
631 buf = av_malloc(size);
635 picture2 = &picture_tmp;
636 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
639 if(avpicture_deinterlace(picture2, picture,
640 dec->pix_fmt, dec->width, dec->height) < 0) {
641 /* if error, do not deinterlace */
647 if (img_convert(picture2, dec->pix_fmt, picture,
648 dec->pix_fmt, dec->width, dec->height) < 0) {
649 /* if error, do not copy */
659 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
661 if (picture != picture2)
662 *picture = *picture2;
666 /* we begin to correct av delay at this threshold */
667 #define AV_DELAY_MAX 0.100
670 /* Expects img to be yuv420 */
671 static void fill_pad_region(AVPicture* img, int height, int width,
672 int padtop, int padbottom, int padleft, int padright, int *color) {
677 for (i = 0; i < 3; i++) {
678 shift = (i == 0) ? 0 : 1;
680 if (padtop || padleft) {
681 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
685 if (padleft || padright) {
686 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
687 (img->linesize[i] - (padright >> shift));
689 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
690 memset(optr, color[i], (padleft + padright) >> shift);
691 optr += img->linesize[i];
695 if (padbottom || padright) {
696 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
697 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
702 static void do_subtitle_out(AVFormatContext *s,
708 static uint8_t *subtitle_out = NULL;
709 int subtitle_out_max_size = 65536;
710 int subtitle_out_size, nb, i;
714 if (pts == AV_NOPTS_VALUE) {
715 fprintf(stderr, "Subtitle packets must have a pts\n");
719 enc = &ost->st->codec;
722 subtitle_out = av_malloc(subtitle_out_max_size);
725 /* Note: DVB subtitle need one packet to draw them and one other
726 packet to clear them */
727 /* XXX: signal it in the codec context ? */
728 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
733 for(i = 0; i < nb; i++) {
734 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
735 subtitle_out_max_size, sub);
737 av_init_packet(&pkt);
738 pkt.stream_index = ost->index;
739 pkt.data = subtitle_out;
740 pkt.size = subtitle_out_size;
741 pkt.pts = av_rescale_q(av_rescale_q(pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
742 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
743 /* XXX: the pts correction is handled here. Maybe handling
744 it in the codec would be better */
746 pkt.pts += 90 * sub->start_display_time;
748 pkt.pts += 90 * sub->end_display_time;
750 av_interleaved_write_frame(s, &pkt);
754 static int bit_buffer_size= 1024*256;
755 static uint8_t *bit_buffer= NULL;
757 static void do_video_out(AVFormatContext *s,
763 int nb_frames, i, ret;
764 AVFrame *final_picture, *formatted_picture;
765 AVFrame picture_format_temp, picture_crop_temp;
766 uint8_t *buf = NULL, *buf1 = NULL;
767 AVCodecContext *enc, *dec;
768 enum PixelFormat target_pixfmt;
770 avcodec_get_frame_defaults(&picture_format_temp);
771 avcodec_get_frame_defaults(&picture_crop_temp);
773 enc = &ost->st->codec;
774 dec = &ist->st->codec;
776 /* by default, we output a single frame */
781 if(video_sync_method){
783 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
784 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
787 else if (vdelta > 1.1)
788 nb_frames = lrintf(vdelta);
789 //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);
793 fprintf(stderr, "*** drop!\n");
794 }else if (nb_frames > 1) {
795 nb_frames_dup += nb_frames;
797 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
800 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
802 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
806 /* convert pixel format if needed */
807 target_pixfmt = ost->video_resample || ost->video_pad
808 ? PIX_FMT_YUV420P : enc->pix_fmt;
809 if (dec->pix_fmt != target_pixfmt) {
812 /* create temporary picture */
813 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
814 buf = av_malloc(size);
817 formatted_picture = &picture_format_temp;
818 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
820 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
821 (AVPicture *)in_picture, dec->pix_fmt,
822 dec->width, dec->height) < 0) {
825 fprintf(stderr, "pixel format conversion not handled\n");
830 formatted_picture = in_picture;
833 /* XXX: resampling could be done before raw format conversion in
834 some cases to go faster */
835 /* XXX: only works for YUV420P */
836 if (ost->video_resample) {
837 final_picture = &ost->pict_tmp;
838 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
840 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
841 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
842 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
846 if (enc->pix_fmt != PIX_FMT_YUV420P) {
850 /* create temporary picture */
851 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
852 buf = av_malloc(size);
855 final_picture = &picture_format_temp;
856 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
858 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
859 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
860 enc->width, enc->height) < 0) {
863 fprintf(stderr, "pixel format conversion not handled\n");
868 } else if (ost->video_crop) {
869 picture_crop_temp.data[0] = formatted_picture->data[0] +
870 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
872 picture_crop_temp.data[1] = formatted_picture->data[1] +
873 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
874 (ost->leftBand >> 1);
876 picture_crop_temp.data[2] = formatted_picture->data[2] +
877 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
878 (ost->leftBand >> 1);
880 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
881 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
882 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
883 final_picture = &picture_crop_temp;
884 } else if (ost->video_pad) {
885 final_picture = &ost->pict_tmp;
887 for (i = 0; i < 3; i++) {
888 uint8_t *optr, *iptr;
889 int shift = (i == 0) ? 0 : 1;
892 /* set offset to start writing image into */
893 optr = final_picture->data[i] + (((final_picture->linesize[i] *
894 ost->padtop) + ost->padleft) >> shift);
895 iptr = formatted_picture->data[i];
897 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
898 for (y = 0; y < yheight; y++) {
899 /* copy unpadded image row into padded image row */
900 memcpy(optr, iptr, formatted_picture->linesize[i]);
901 optr += final_picture->linesize[i];
902 iptr += formatted_picture->linesize[i];
906 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
907 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
910 if (enc->pix_fmt != PIX_FMT_YUV420P) {
914 /* create temporary picture */
915 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
916 buf = av_malloc(size);
919 final_picture = &picture_format_temp;
920 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
922 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
923 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
924 enc->width, enc->height) < 0) {
927 fprintf(stderr, "pixel format conversion not handled\n");
933 final_picture = formatted_picture;
935 /* duplicates frame if needed */
936 for(i=0;i<nb_frames;i++) {
938 av_init_packet(&pkt);
939 pkt.stream_index= ost->index;
941 if (s->oformat->flags & AVFMT_RAWPICTURE) {
942 /* raw pictures are written as AVPicture structure to
943 avoid any copies. We support temorarily the older
945 AVFrame* old_frame = enc->coded_frame;
946 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
947 pkt.data= (uint8_t *)final_picture;
948 pkt.size= sizeof(AVPicture);
950 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
951 if(dec->coded_frame && dec->coded_frame->key_frame)
952 pkt.flags |= PKT_FLAG_KEY;
954 av_interleaved_write_frame(s, &pkt);
955 enc->coded_frame = old_frame;
959 big_picture= *final_picture;
960 /* better than nothing: use input picture interlaced
962 big_picture.interlaced_frame = in_picture->interlaced_frame;
963 if(do_interlace_me || do_interlace_dct){
964 if(top_field_first == -1)
965 big_picture.top_field_first = in_picture->top_field_first;
967 big_picture.top_field_first = top_field_first;
970 /* handles sameq here. This is not correct because it may
971 not be a global option */
973 big_picture.quality = ist->st->quality;
975 big_picture.quality = ost->st->quality;
977 big_picture.pict_type = 0;
978 // big_picture.pts = AV_NOPTS_VALUE;
979 big_picture.pts= ost->sync_opts;
980 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
981 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
982 ret = avcodec_encode_video(enc,
983 bit_buffer, bit_buffer_size,
985 //enc->frame_number = enc->real_pict_num;
987 pkt.data= bit_buffer;
990 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
991 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
992 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
993 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
995 if(enc->coded_frame && enc->coded_frame->key_frame)
996 pkt.flags |= PKT_FLAG_KEY;
997 av_interleaved_write_frame(s, &pkt);
999 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
1000 // enc->frame_number-1, enc->real_pict_num, ret,
1002 /* if two pass, output log */
1003 if (ost->logfile && enc->stats_out) {
1004 fprintf(ost->logfile, "%s", enc->stats_out);
1009 ost->frame_number++;
1016 static double psnr(double d){
1017 if(d==0) return INFINITY;
1018 return -10.0*log(d)/log(10.0);
1021 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1024 static FILE *fvstats=NULL;
1028 AVCodecContext *enc;
1031 double ti1, bitrate, avg_bitrate;
1034 today2 = time(NULL);
1035 today = localtime(&today2);
1036 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
1039 fvstats = fopen(filename,"w");
1047 enc = &ost->st->codec;
1048 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1049 frame_number = ost->frame_number;
1050 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1051 if (enc->flags&CODEC_FLAG_PSNR)
1052 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1054 fprintf(fvstats,"f_size= %6d ", frame_size);
1055 /* compute pts value */
1056 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1060 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1061 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1062 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1063 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1064 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1068 static void print_report(AVFormatContext **output_files,
1069 AVOutputStream **ost_table, int nb_ostreams,
1073 AVOutputStream *ost;
1074 AVFormatContext *oc, *os;
1076 AVCodecContext *enc;
1077 int frame_number, vid, i;
1078 double bitrate, ti1, pts;
1079 static int64_t last_time = -1;
1081 if (!is_last_report) {
1083 /* display the report every 0.5 seconds */
1084 cur_time = av_gettime();
1085 if (last_time == -1) {
1086 last_time = cur_time;
1089 if ((cur_time - last_time) < 500000)
1091 last_time = cur_time;
1095 oc = output_files[0];
1097 total_size = url_ftell(&oc->pb);
1102 for(i=0;i<nb_ostreams;i++) {
1104 os = output_files[ost->file_index];
1105 enc = &ost->st->codec;
1106 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1107 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1108 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1110 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1111 frame_number = ost->frame_number;
1112 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%2.1f ",
1113 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1115 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1116 if (enc->flags&CODEC_FLAG_PSNR){
1118 double error, error_sum=0;
1119 double scale, scale_sum=0;
1120 char type[3]= {'Y','U','V'};
1121 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1124 error= enc->error[j];
1125 scale= enc->width*enc->height*255.0*255.0*frame_number;
1127 error= enc->coded_frame->error[j];
1128 scale= enc->width*enc->height*255.0*255.0;
1133 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1135 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1139 /* compute min output value */
1140 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1141 if ((pts < ti1) && (pts > 0))
1147 if (verbose || is_last_report) {
1148 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1150 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1151 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1152 (double)total_size / 1024, ti1, bitrate);
1155 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1156 nb_frames_dup, nb_frames_drop);
1159 fprintf(stderr, "%s \r", buf);
1164 if (is_last_report && verbose >= 0){
1165 int64_t raw= audio_size + video_size + extra_size;
1166 fprintf(stderr, "\n");
1167 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1171 100.0*(total_size - raw)/raw
1176 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1177 static int output_packet(AVInputStream *ist, int ist_index,
1178 AVOutputStream **ost_table, int nb_ostreams,
1179 const AVPacket *pkt)
1181 AVFormatContext *os;
1182 AVOutputStream *ost;
1186 int data_size, got_picture;
1188 void *buffer_to_free;
1189 static int samples_size= 0;
1190 static short *samples= NULL;
1191 AVSubtitle subtitle, *subtitle_to_free;
1195 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1196 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1197 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1199 // assert(ist->pts == ist->next_pts);
1213 /* decode the packet if needed */
1214 data_buf = NULL; /* fail safe */
1216 subtitle_to_free = NULL;
1217 if (ist->decoding_needed) {
1218 switch(ist->st->codec.codec_type) {
1219 case CODEC_TYPE_AUDIO:{
1221 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1222 /* XXX: could avoid copy if PCM 16 bits with same
1223 endianness as CPU */
1224 ret = avcodec_decode_audio(&ist->st->codec, samples, &data_size,
1230 /* Some bug in mpeg audio decoder gives */
1231 /* data_size < 0, it seems they are overflows */
1232 if (data_size <= 0) {
1233 /* no audio frame */
1236 data_buf = (uint8_t *)samples;
1237 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1238 (ist->st->codec.sample_rate * ist->st->codec.channels);
1240 case CODEC_TYPE_VIDEO:
1241 data_size = (ist->st->codec.width * ist->st->codec.height * 3) / 2;
1242 /* XXX: allocate picture correctly */
1243 avcodec_get_frame_defaults(&picture);
1245 ret = avcodec_decode_video(&ist->st->codec,
1246 &picture, &got_picture, ptr, len);
1247 ist->st->quality= picture.quality;
1251 /* no picture yet */
1252 goto discard_packet;
1254 if (ist->st->codec.time_base.num != 0) {
1255 ist->next_pts += ((int64_t)AV_TIME_BASE *
1256 ist->st->codec.time_base.num) /
1257 ist->st->codec.time_base.den;
1261 case CODEC_TYPE_SUBTITLE:
1262 ret = avcodec_decode_subtitle(&ist->st->codec,
1263 &subtitle, &got_subtitle, ptr, len);
1266 if (!got_subtitle) {
1267 goto discard_packet;
1269 subtitle_to_free = &subtitle;
1276 switch(ist->st->codec.codec_type) {
1277 case CODEC_TYPE_AUDIO:
1278 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec.frame_size) /
1279 (ist->st->codec.sample_rate * ist->st->codec.channels);
1281 case CODEC_TYPE_VIDEO:
1282 if (ist->st->codec.time_base.num != 0) {
1283 ist->next_pts += ((int64_t)AV_TIME_BASE *
1284 ist->st->codec.time_base.num) /
1285 ist->st->codec.time_base.den;
1295 buffer_to_free = NULL;
1296 if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1297 pre_process_video_frame(ist, (AVPicture *)&picture,
1301 // preprocess audio (volume)
1302 if (ist->st->codec.codec_type == CODEC_TYPE_AUDIO) {
1303 if (audio_volume != 256) {
1306 for(i=0;i<(data_size / sizeof(short));i++) {
1307 int v = ((*volp) * audio_volume + 128) >> 8;
1308 if (v < -32768) v = -32768;
1309 if (v > 32767) v = 32767;
1315 /* frame rate emulation */
1316 if (ist->st->codec.rate_emu) {
1317 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec.time_base.num, 1000000, ist->st->codec.time_base.den);
1318 int64_t now = av_gettime() - ist->start;
1326 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1327 is the one of the next displayed one */
1328 /* XXX: add mpeg4 too ? */
1329 if (ist->st->codec.codec_id == CODEC_ID_MPEG1VIDEO) {
1330 if (ist->st->codec.pict_type != B_TYPE) {
1332 tmp = ist->last_ip_pts;
1333 ist->last_ip_pts = ist->frac_pts.val;
1334 ist->frac_pts.val = tmp;
1338 /* if output time reached then transcode raw format,
1339 encode packets and output them */
1340 if (start_time == 0 || ist->pts >= start_time)
1341 for(i=0;i<nb_ostreams;i++) {
1345 if (ost->source_index == ist_index) {
1346 os = output_files[ost->file_index];
1349 printf("%d: got pts=%0.3f %0.3f\n", i,
1350 (double)pkt->pts / AV_TIME_BASE,
1351 ((double)ist->pts / AV_TIME_BASE) -
1352 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1354 /* set the input output pts pairs */
1355 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1357 if (ost->encoding_needed) {
1358 switch(ost->st->codec.codec_type) {
1359 case CODEC_TYPE_AUDIO:
1360 do_audio_out(os, ost, ist, data_buf, data_size);
1362 case CODEC_TYPE_VIDEO:
1363 do_video_out(os, ost, ist, &picture, &frame_size);
1364 video_size += frame_size;
1365 if (do_vstats && frame_size)
1366 do_video_stats(os, ost, frame_size);
1368 case CODEC_TYPE_SUBTITLE:
1369 do_subtitle_out(os, ost, ist, &subtitle,
1376 AVFrame avframe; //FIXME/XXX remove this
1378 av_init_packet(&opkt);
1380 /* no reencoding needed : output the packet directly */
1381 /* force the input stream PTS */
1383 avcodec_get_frame_defaults(&avframe);
1384 ost->st->codec.coded_frame= &avframe;
1385 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1387 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO)
1388 audio_size += data_size;
1389 else if (ost->st->codec.codec_type == CODEC_TYPE_VIDEO) {
1390 video_size += data_size;
1394 opkt.stream_index= ost->index;
1395 opkt.data= data_buf;
1396 opkt.size= data_size;
1397 if(pkt->pts != AV_NOPTS_VALUE)
1398 opkt.pts= av_rescale_q(av_rescale_q(pkt->pts, ist->st->time_base, AV_TIME_BASE_Q) + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1400 opkt.pts= AV_NOPTS_VALUE;
1404 if (pkt->dts == AV_NOPTS_VALUE)
1405 dts = ist->next_pts;
1407 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1408 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1410 opkt.flags= pkt->flags;
1411 av_interleaved_write_frame(os, &opkt);
1412 ost->st->codec.frame_number++;
1413 ost->frame_number++;
1417 av_free(buffer_to_free);
1418 /* XXX: allocate the subtitles in the codec ? */
1419 if (subtitle_to_free) {
1420 av_free(subtitle_to_free->bitmap);
1421 av_free(subtitle_to_free->rgba_palette);
1422 subtitle_to_free = NULL;
1429 for(i=0;i<nb_ostreams;i++) {
1431 if (ost->source_index == ist_index) {
1432 AVCodecContext *enc= &ost->st->codec;
1433 os = output_files[ost->file_index];
1435 if(ost->st->codec.codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1437 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1440 if (ost->encoding_needed) {
1443 av_init_packet(&pkt);
1444 pkt.stream_index= ost->index;
1446 switch(ost->st->codec.codec_type) {
1447 case CODEC_TYPE_AUDIO:
1448 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1450 pkt.flags |= PKT_FLAG_KEY;
1452 case CODEC_TYPE_VIDEO:
1453 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1455 if(enc->coded_frame && enc->coded_frame->key_frame)
1456 pkt.flags |= PKT_FLAG_KEY;
1457 if (ost->logfile && enc->stats_out) {
1458 fprintf(ost->logfile, "%s", enc->stats_out);
1467 pkt.data= bit_buffer;
1469 if(enc->coded_frame)
1470 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1471 av_interleaved_write_frame(os, &pkt);
1485 * The following code is the main loop of the file converter
1487 static int av_encode(AVFormatContext **output_files,
1488 int nb_output_files,
1489 AVFormatContext **input_files,
1491 AVStreamMap *stream_maps, int nb_stream_maps)
1493 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1494 AVFormatContext *is, *os;
1495 AVCodecContext *codec, *icodec;
1496 AVOutputStream *ost, **ost_table = NULL;
1497 AVInputStream *ist, **ist_table = NULL;
1498 AVInputFile *file_table;
1499 AVFormatContext *stream_no_data;
1502 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1506 /* input stream init */
1508 for(i=0;i<nb_input_files;i++) {
1509 is = input_files[i];
1510 file_table[i].ist_index = j;
1511 file_table[i].nb_streams = is->nb_streams;
1512 j += is->nb_streams;
1516 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1520 for(i=0;i<nb_istreams;i++) {
1521 ist = av_mallocz(sizeof(AVInputStream));
1527 for(i=0;i<nb_input_files;i++) {
1528 is = input_files[i];
1529 for(k=0;k<is->nb_streams;k++) {
1530 ist = ist_table[j++];
1531 ist->st = is->streams[k];
1532 ist->file_index = i;
1534 ist->discard = 1; /* the stream is discarded by default
1537 if (ist->st->codec.rate_emu) {
1538 ist->start = av_gettime();
1544 /* output stream init */
1546 for(i=0;i<nb_output_files;i++) {
1547 os = output_files[i];
1548 nb_ostreams += os->nb_streams;
1550 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1551 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1555 /* Sanity check the mapping args -- do the input files & streams exist? */
1556 for(i=0;i<nb_stream_maps;i++) {
1557 int fi = stream_maps[i].file_index;
1558 int si = stream_maps[i].stream_index;
1560 if (fi < 0 || fi > nb_input_files - 1 ||
1561 si < 0 || si > file_table[fi].nb_streams - 1) {
1562 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1565 fi = stream_maps[i].sync_file_index;
1566 si = stream_maps[i].sync_stream_index;
1567 if (fi < 0 || fi > nb_input_files - 1 ||
1568 si < 0 || si > file_table[fi].nb_streams - 1) {
1569 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1574 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1577 for(i=0;i<nb_ostreams;i++) {
1578 ost = av_mallocz(sizeof(AVOutputStream));
1585 for(k=0;k<nb_output_files;k++) {
1586 os = output_files[k];
1587 for(i=0;i<os->nb_streams;i++) {
1589 ost = ost_table[n++];
1590 ost->file_index = k;
1592 ost->st = os->streams[i];
1593 if (nb_stream_maps > 0) {
1594 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1595 stream_maps[n-1].stream_index;
1597 /* Sanity check that the stream types match */
1598 if (ist_table[ost->source_index]->st->codec.codec_type != ost->st->codec.codec_type) {
1599 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1600 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1601 ost->file_index, ost->index);
1606 /* get corresponding input stream index : we select the first one with the right type */
1608 for(j=0;j<nb_istreams;j++) {
1611 ist->st->codec.codec_type == ost->st->codec.codec_type) {
1612 ost->source_index = j;
1619 /* try again and reuse existing stream */
1620 for(j=0;j<nb_istreams;j++) {
1622 if (ist->st->codec.codec_type == ost->st->codec.codec_type) {
1623 ost->source_index = j;
1628 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1629 ost->file_index, ost->index);
1634 ist = ist_table[ost->source_index];
1636 ost->sync_ist = (nb_stream_maps > 0) ?
1637 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1638 stream_maps[n-1].sync_stream_index] : ist;
1642 /* for each output stream, we compute the right encoding parameters */
1643 for(i=0;i<nb_ostreams;i++) {
1645 ist = ist_table[ost->source_index];
1647 codec = &ost->st->codec;
1648 icodec = &ist->st->codec;
1650 if (ost->st->stream_copy) {
1651 /* if stream_copy is selected, no need to decode or encode */
1652 codec->codec_id = icodec->codec_id;
1653 codec->codec_type = icodec->codec_type;
1654 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1655 codec->bit_rate = icodec->bit_rate;
1656 codec->extradata= icodec->extradata;
1657 codec->extradata_size= icodec->extradata_size;
1658 switch(codec->codec_type) {
1659 case CODEC_TYPE_AUDIO:
1660 codec->sample_rate = icodec->sample_rate;
1661 codec->channels = icodec->channels;
1662 codec->frame_size = icodec->frame_size;
1663 codec->block_align= icodec->block_align;
1665 case CODEC_TYPE_VIDEO:
1666 codec->time_base = icodec->time_base;
1667 codec->width = icodec->width;
1668 codec->height = icodec->height;
1669 codec->has_b_frames = icodec->has_b_frames;
1671 case CODEC_TYPE_SUBTITLE:
1677 switch(codec->codec_type) {
1678 case CODEC_TYPE_AUDIO:
1679 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1682 if (codec->channels == icodec->channels &&
1683 codec->sample_rate == icodec->sample_rate) {
1684 ost->audio_resample = 0;
1686 if (codec->channels != icodec->channels &&
1687 (icodec->codec_id == CODEC_ID_AC3 ||
1688 icodec->codec_id == CODEC_ID_DTS)) {
1689 /* Special case for 5:1 AC3 and DTS input */
1690 /* and mono or stereo output */
1691 /* Request specific number of channels */
1692 icodec->channels = codec->channels;
1693 if (codec->sample_rate == icodec->sample_rate)
1694 ost->audio_resample = 0;
1696 ost->audio_resample = 1;
1699 ost->audio_resample = 1;
1702 if(audio_sync_method>1)
1703 ost->audio_resample = 1;
1705 if(ost->audio_resample){
1706 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1707 codec->sample_rate, icodec->sample_rate);
1709 printf("Can't resample. Aborting.\n");
1713 ist->decoding_needed = 1;
1714 ost->encoding_needed = 1;
1716 case CODEC_TYPE_VIDEO:
1717 if (codec->width == icodec->width &&
1718 codec->height == icodec->height &&
1719 frame_topBand == 0 &&
1720 frame_bottomBand == 0 &&
1721 frame_leftBand == 0 &&
1722 frame_rightBand == 0 &&
1723 frame_padtop == 0 &&
1724 frame_padbottom == 0 &&
1725 frame_padleft == 0 &&
1726 frame_padright == 0)
1728 ost->video_resample = 0;
1729 ost->video_crop = 0;
1731 } else if ((codec->width == icodec->width -
1732 (frame_leftBand + frame_rightBand)) &&
1733 (codec->height == icodec->height -
1734 (frame_topBand + frame_bottomBand)))
1736 ost->video_resample = 0;
1737 ost->video_crop = 1;
1738 ost->topBand = frame_topBand;
1739 ost->leftBand = frame_leftBand;
1740 } else if ((codec->width == icodec->width +
1741 (frame_padleft + frame_padright)) &&
1742 (codec->height == icodec->height +
1743 (frame_padtop + frame_padbottom))) {
1744 ost->video_resample = 0;
1745 ost->video_crop = 0;
1747 ost->padtop = frame_padtop;
1748 ost->padleft = frame_padleft;
1749 ost->padbottom = frame_padbottom;
1750 ost->padright = frame_padright;
1751 avcodec_get_frame_defaults(&ost->pict_tmp);
1752 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1753 codec->width, codec->height ) )
1756 ost->video_resample = 1;
1757 ost->video_crop = 0; // cropping is handled as part of resample
1758 avcodec_get_frame_defaults(&ost->pict_tmp);
1759 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1760 codec->width, codec->height ) )
1763 ost->img_resample_ctx = img_resample_full_init(
1764 ost->st->codec.width, ost->st->codec.height,
1765 ist->st->codec.width, ist->st->codec.height,
1766 frame_topBand, frame_bottomBand,
1767 frame_leftBand, frame_rightBand,
1768 frame_padtop, frame_padbottom,
1769 frame_padleft, frame_padright);
1771 ost->padtop = frame_padtop;
1772 ost->padleft = frame_padleft;
1773 ost->padbottom = frame_padbottom;
1774 ost->padright = frame_padright;
1777 ost->encoding_needed = 1;
1778 ist->decoding_needed = 1;
1780 case CODEC_TYPE_SUBTITLE:
1781 ost->encoding_needed = 1;
1782 ist->decoding_needed = 1;
1789 if (ost->encoding_needed &&
1790 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1791 char logfilename[1024];
1796 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1798 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1799 if (codec->flags & CODEC_FLAG_PASS1) {
1800 f = fopen(logfilename, "w");
1802 perror(logfilename);
1807 /* read the log file */
1808 f = fopen(logfilename, "r");
1810 perror(logfilename);
1813 fseek(f, 0, SEEK_END);
1815 fseek(f, 0, SEEK_SET);
1816 logbuffer = av_malloc(size + 1);
1818 fprintf(stderr, "Could not allocate log buffer\n");
1821 size = fread(logbuffer, 1, size, f);
1823 logbuffer[size] = '\0';
1824 codec->stats_in = logbuffer;
1828 if(codec->codec_type == CODEC_TYPE_VIDEO){
1829 int size= codec->width * codec->height;
1830 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1835 bit_buffer = av_malloc(bit_buffer_size);
1839 /* dump the file output parameters - cannot be done before in case
1841 for(i=0;i<nb_output_files;i++) {
1842 dump_format(output_files[i], i, output_files[i]->filename, 1);
1845 /* dump the stream mapping */
1847 fprintf(stderr, "Stream mapping:\n");
1848 for(i=0;i<nb_ostreams;i++) {
1850 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1851 ist_table[ost->source_index]->file_index,
1852 ist_table[ost->source_index]->index,
1855 if (ost->sync_ist != ist_table[ost->source_index])
1856 fprintf(stderr, " [sync #%d.%d]",
1857 ost->sync_ist->file_index,
1858 ost->sync_ist->index);
1859 fprintf(stderr, "\n");
1863 /* open each encoder */
1864 for(i=0;i<nb_ostreams;i++) {
1866 if (ost->encoding_needed) {
1868 codec = avcodec_find_encoder(ost->st->codec.codec_id);
1870 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1871 ost->file_index, ost->index);
1874 if (avcodec_open(&ost->st->codec, codec) < 0) {
1875 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1876 ost->file_index, ost->index);
1879 extra_size += ost->st->codec.extradata_size;
1883 /* open each decoder */
1884 for(i=0;i<nb_istreams;i++) {
1886 if (ist->decoding_needed) {
1888 codec = avcodec_find_decoder(ist->st->codec.codec_id);
1890 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1891 ist->st->codec.codec_id, ist->file_index, ist->index);
1894 if (avcodec_open(&ist->st->codec, codec) < 0) {
1895 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1896 ist->file_index, ist->index);
1899 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1900 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1905 for(i=0;i<nb_istreams;i++) {
1907 is = input_files[ist->file_index];
1909 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1910 if(ist->st->start_time == AV_NOPTS_VALUE)
1912 if(input_files_ts_offset[ist->file_index])
1913 ist->next_pts= AV_NOPTS_VALUE;
1917 /* compute buffer size max (should use a complete heuristic) */
1918 for(i=0;i<nb_input_files;i++) {
1919 file_table[i].buffer_size_max = 2048;
1922 /* set meta data information from input file if required */
1923 for (i=0;i<nb_meta_data_maps;i++) {
1924 AVFormatContext *out_file;
1925 AVFormatContext *in_file;
1927 int out_file_index = meta_data_maps[i].out_file;
1928 int in_file_index = meta_data_maps[i].in_file;
1929 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1930 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1934 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1935 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1940 out_file = output_files[out_file_index];
1941 in_file = input_files[in_file_index];
1943 strcpy(out_file->title, in_file->title);
1944 strcpy(out_file->author, in_file->author);
1945 strcpy(out_file->copyright, in_file->copyright);
1946 strcpy(out_file->comment, in_file->comment);
1947 strcpy(out_file->album, in_file->album);
1948 out_file->year = in_file->year;
1949 out_file->track = in_file->track;
1950 strcpy(out_file->genre, in_file->genre);
1953 /* open files and write file headers */
1954 for(i=0;i<nb_output_files;i++) {
1955 os = output_files[i];
1956 if (av_write_header(os) < 0) {
1957 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1963 #ifndef CONFIG_WIN32
1964 if ( !using_stdin && verbose >= 0) {
1965 fprintf(stderr, "Press [q] to stop encoding\n");
1966 url_set_interrupt_cb(decode_interrupt_cb);
1974 for(; received_sigterm == 0;) {
1975 int file_index, ist_index;
1983 /* if 'q' pressed, exits */
1987 /* read_key() returns 0 on EOF */
1993 /* select the stream that we must read now by looking at the
1994 smallest output pts */
1996 for(i=0;i<nb_ostreams;i++) {
1999 os = output_files[ost->file_index];
2000 ist = ist_table[ost->source_index];
2001 if(ost->st->codec.codec_type == CODEC_TYPE_VIDEO)
2002 opts = ost->sync_opts * av_q2d(ost->st->codec.time_base);
2004 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2005 ipts = (double)ist->pts;
2006 if (!file_table[ist->file_index].eof_reached){
2007 if(ipts < ipts_min) {
2009 if(input_sync ) file_index = ist->file_index;
2011 if(opts < opts_min) {
2013 if(!input_sync) file_index = ist->file_index;
2016 if(ost->frame_number >= max_frames[ost->st->codec.codec_type]){
2021 /* if none, if is finished */
2022 if (file_index < 0) {
2026 /* finish if recording time exhausted */
2027 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
2030 /* finish if limit size exhausted */
2031 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
2034 /* read a frame from it and output it in the fifo */
2035 is = input_files[file_index];
2036 if (av_read_frame(is, &pkt) < 0) {
2037 file_table[file_index].eof_reached = 1;
2038 if (opt_shortest) break; else continue; //
2042 stream_no_data = is;
2047 av_pkt_dump(stdout, &pkt, do_hex_dump);
2049 /* the following test is needed in case new streams appear
2050 dynamically in stream : we ignore them */
2051 if (pkt.stream_index >= file_table[file_index].nb_streams)
2052 goto discard_packet;
2053 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2054 ist = ist_table[ist_index];
2056 goto discard_packet;
2058 // 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);
2059 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2060 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
2061 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
2062 input_files_ts_offset[ist->file_index]-= delta;
2064 fprintf(stderr, "timestamp discontinuity %lld, new offset= %lld\n", delta, input_files_ts_offset[ist->file_index]);
2065 for(i=0; i<file_table[file_index].nb_streams; i++){
2066 int index= file_table[file_index].ist_index + i;
2067 ist_table[index]->next_pts += delta;
2068 ist_table[index]->is_start=1;
2073 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2074 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2077 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2078 ist->file_index, ist->index);
2080 av_free_packet(&pkt);
2085 av_free_packet(&pkt);
2087 /* dump report by using the output first video and audio streams */
2088 print_report(output_files, ost_table, nb_ostreams, 0);
2091 /* at the end of stream, we must flush the decoder buffers */
2092 for(i=0;i<nb_istreams;i++) {
2094 if (ist->decoding_needed) {
2095 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2101 /* write the trailer if needed and close file */
2102 for(i=0;i<nb_output_files;i++) {
2103 os = output_files[i];
2104 av_write_trailer(os);
2107 /* dump report by using the first video and audio streams */
2108 print_report(output_files, ost_table, nb_ostreams, 1);
2110 /* close each encoder */
2111 for(i=0;i<nb_ostreams;i++) {
2113 if (ost->encoding_needed) {
2114 av_freep(&ost->st->codec.stats_in);
2115 avcodec_close(&ost->st->codec);
2119 /* close each decoder */
2120 for(i=0;i<nb_istreams;i++) {
2122 if (ist->decoding_needed) {
2123 avcodec_close(&ist->st->codec);
2131 av_freep(&bit_buffer);
2132 av_free(file_table);
2135 for(i=0;i<nb_istreams;i++) {
2142 for(i=0;i<nb_ostreams;i++) {
2146 fclose(ost->logfile);
2147 ost->logfile = NULL;
2149 fifo_free(&ost->fifo); /* works even if fifo is not
2150 initialized but set to zero */
2151 av_free(ost->pict_tmp.data[0]);
2152 if (ost->video_resample)
2153 img_resample_close(ost->img_resample_ctx);
2154 if (ost->audio_resample)
2155 audio_resample_close(ost->resample);
2168 int file_read(const char *filename)
2171 unsigned char buffer[1024];
2174 if (url_open(&h, filename, O_RDONLY) < 0) {
2175 printf("could not open '%s'\n", filename);
2179 len = url_read(h, buffer, sizeof(buffer));
2182 for(i=0;i<len;i++) putchar(buffer[i]);
2189 static void opt_image_format(const char *arg)
2193 for(f = first_image_format; f != NULL; f = f->next) {
2194 if (!strcmp(arg, f->name))
2198 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2204 static void opt_format(const char *arg)
2206 /* compatibility stuff for pgmyuv */
2207 if (!strcmp(arg, "pgmyuv")) {
2208 pgmyuv_compatibility_hack=1;
2209 // opt_image_format(arg);
2213 file_iformat = av_find_input_format(arg);
2214 file_oformat = guess_format(arg, NULL, NULL);
2215 if (!file_iformat && !file_oformat) {
2216 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2221 static void opt_video_bitrate(const char *arg)
2223 video_bit_rate = atoi(arg) * 1000;
2226 static void opt_video_bitrate_tolerance(const char *arg)
2228 video_bit_rate_tolerance = atoi(arg) * 1000;
2231 static void opt_video_bitrate_max(const char *arg)
2233 video_rc_max_rate = atoi(arg) * 1000;
2236 static void opt_video_bitrate_min(const char *arg)
2238 video_rc_min_rate = atoi(arg) * 1000;
2241 static void opt_video_buffer_size(const char *arg)
2243 video_rc_buffer_size = atoi(arg) * 8*1024;
2246 static void opt_video_rc_eq(char *arg)
2251 static void opt_video_rc_override_string(char *arg)
2253 video_rc_override_string = arg;
2257 static void opt_workaround_bugs(const char *arg)
2259 workaround_bugs = atoi(arg);
2262 static void opt_dct_algo(const char *arg)
2264 dct_algo = atoi(arg);
2267 static void opt_idct_algo(const char *arg)
2269 idct_algo = atoi(arg);
2272 static void opt_me_threshold(const char *arg)
2274 me_threshold = atoi(arg);
2277 static void opt_mb_threshold(const char *arg)
2279 mb_threshold = atoi(arg);
2282 static void opt_error_resilience(const char *arg)
2284 error_resilience = atoi(arg);
2287 static void opt_error_concealment(const char *arg)
2289 error_concealment = atoi(arg);
2292 static void opt_debug(const char *arg)
2295 av_log_set_level(AV_LOG_DEBUG);
2298 static void opt_vismv(const char *arg)
2300 debug_mv = atoi(arg);
2303 static void opt_verbose(const char *arg)
2305 verbose = atoi(arg);
2306 av_log_set_level(atoi(arg));
2309 static void opt_frame_rate(const char *arg)
2311 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2312 fprintf(stderr, "Incorrect frame rate\n");
2317 static void opt_frame_crop_top(const char *arg)
2319 frame_topBand = atoi(arg);
2320 if (frame_topBand < 0) {
2321 fprintf(stderr, "Incorrect top crop size\n");
2324 if ((frame_topBand % 2) != 0) {
2325 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2328 if ((frame_topBand) >= frame_height){
2329 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2332 frame_height -= frame_topBand;
2335 static void opt_frame_crop_bottom(const char *arg)
2337 frame_bottomBand = atoi(arg);
2338 if (frame_bottomBand < 0) {
2339 fprintf(stderr, "Incorrect bottom crop size\n");
2342 if ((frame_bottomBand % 2) != 0) {
2343 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2346 if ((frame_bottomBand) >= frame_height){
2347 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2350 frame_height -= frame_bottomBand;
2353 static void opt_frame_crop_left(const char *arg)
2355 frame_leftBand = atoi(arg);
2356 if (frame_leftBand < 0) {
2357 fprintf(stderr, "Incorrect left crop size\n");
2360 if ((frame_leftBand % 2) != 0) {
2361 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2364 if ((frame_leftBand) >= frame_width){
2365 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2368 frame_width -= frame_leftBand;
2371 static void opt_frame_crop_right(const char *arg)
2373 frame_rightBand = atoi(arg);
2374 if (frame_rightBand < 0) {
2375 fprintf(stderr, "Incorrect right crop size\n");
2378 if ((frame_rightBand % 2) != 0) {
2379 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2382 if ((frame_rightBand) >= frame_width){
2383 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2386 frame_width -= frame_rightBand;
2389 static void opt_frame_size(const char *arg)
2391 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2392 fprintf(stderr, "Incorrect frame size\n");
2395 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2396 fprintf(stderr, "Frame size must be a multiple of 2\n");
2402 #define SCALEBITS 10
2403 #define ONE_HALF (1 << (SCALEBITS - 1))
2404 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2406 #define RGB_TO_Y(r, g, b) \
2407 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2408 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2410 #define RGB_TO_U(r1, g1, b1, shift)\
2411 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2412 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2414 #define RGB_TO_V(r1, g1, b1, shift)\
2415 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2416 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2418 static void opt_pad_color(const char *arg) {
2419 /* Input is expected to be six hex digits similar to
2420 how colors are expressed in html tags (but without the #) */
2421 int rgb = strtol(arg, NULL, 16);
2425 g = ((rgb >> 8) & 255);
2428 padcolor[0] = RGB_TO_Y(r,g,b);
2429 padcolor[1] = RGB_TO_U(r,g,b,0);
2430 padcolor[2] = RGB_TO_V(r,g,b,0);
2433 static void opt_frame_pad_top(const char *arg)
2435 frame_padtop = atoi(arg);
2436 if (frame_padtop < 0) {
2437 fprintf(stderr, "Incorrect top pad size\n");
2440 if ((frame_padtop % 2) != 0) {
2441 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2446 static void opt_frame_pad_bottom(const char *arg)
2448 frame_padbottom = atoi(arg);
2449 if (frame_padbottom < 0) {
2450 fprintf(stderr, "Incorrect bottom pad size\n");
2453 if ((frame_padbottom % 2) != 0) {
2454 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2460 static void opt_frame_pad_left(const char *arg)
2462 frame_padleft = atoi(arg);
2463 if (frame_padleft < 0) {
2464 fprintf(stderr, "Incorrect left pad size\n");
2467 if ((frame_padleft % 2) != 0) {
2468 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2474 static void opt_frame_pad_right(const char *arg)
2476 frame_padright = atoi(arg);
2477 if (frame_padright < 0) {
2478 fprintf(stderr, "Incorrect right pad size\n");
2481 if ((frame_padright % 2) != 0) {
2482 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2488 static void opt_frame_pix_fmt(const char *arg)
2490 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2493 static void opt_frame_aspect_ratio(const char *arg)
2499 p = strchr(arg, ':');
2501 x = strtol(arg, (char **)&arg, 10);
2503 y = strtol(arg+1, (char **)&arg, 10);
2505 ar = (double)x / (double)y;
2507 ar = strtod(arg, (char **)&arg);
2510 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2513 frame_aspect_ratio = ar;
2516 static void opt_gop_size(const char *arg)
2518 gop_size = atoi(arg);
2521 static void opt_b_frames(const char *arg)
2523 b_frames = atoi(arg);
2524 if (b_frames > FF_MAX_B_FRAMES) {
2525 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2527 } else if (b_frames < 1) {
2528 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2533 static void opt_mb_decision(const char *arg)
2535 mb_decision = atoi(arg);
2538 static void opt_mb_cmp(const char *arg)
2543 static void opt_ildct_cmp(const char *arg)
2545 ildct_cmp = atoi(arg);
2548 static void opt_sub_cmp(const char *arg)
2550 sub_cmp = atoi(arg);
2553 static void opt_cmp(const char *arg)
2558 static void opt_pre_cmp(const char *arg)
2560 pre_cmp = atoi(arg);
2563 static void opt_pre_me(const char *arg)
2568 static void opt_lumi_mask(const char *arg)
2570 lumi_mask = atof(arg);
2573 static void opt_dark_mask(const char *arg)
2575 dark_mask = atof(arg);
2578 static void opt_scplx_mask(const char *arg)
2580 scplx_mask = atof(arg);
2583 static void opt_tcplx_mask(const char *arg)
2585 tcplx_mask = atof(arg);
2588 static void opt_p_mask(const char *arg)
2593 static void opt_qscale(const char *arg)
2595 video_qscale = atof(arg);
2596 if (video_qscale < 0.01 ||
2597 video_qscale > 255) {
2598 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2603 static void opt_qsquish(const char *arg)
2605 video_qsquish = atof(arg);
2606 if (video_qsquish < 0.0 ||
2607 video_qsquish > 99.0) {
2608 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2613 static void opt_lelim(const char *arg)
2615 video_lelim = atoi(arg);
2616 if (video_lelim < -99 ||
2618 fprintf(stderr, "lelim must be >= -99 and <= 99\n");
2623 static void opt_celim(const char *arg)
2625 video_celim = atoi(arg);
2626 if (video_celim < -99 ||
2628 fprintf(stderr, "celim must be >= -99 and <= 99\n");
2633 static void opt_lmax(const char *arg)
2635 video_lmax = atof(arg)*FF_QP2LAMBDA;
2638 static void opt_lmin(const char *arg)
2640 video_lmin = atof(arg)*FF_QP2LAMBDA;
2643 static void opt_qmin(const char *arg)
2645 video_qmin = atoi(arg);
2646 if (video_qmin < 1 ||
2648 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2653 static void opt_qmax(const char *arg)
2655 video_qmax = atoi(arg);
2656 if (video_qmax < 1 ||
2658 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2663 static void opt_mb_lmin(const char *arg)
2665 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2666 if (video_mb_lmin < 1 ||
2667 video_mb_lmin > FF_LAMBDA_MAX) {
2668 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2673 static void opt_mb_lmax(const char *arg)
2675 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2676 if (video_mb_lmax < 1 ||
2677 video_mb_lmax > FF_LAMBDA_MAX) {
2678 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2683 static void opt_qdiff(const char *arg)
2685 video_qdiff = atoi(arg);
2686 if (video_qdiff < 0 ||
2688 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2693 static void opt_qblur(const char *arg)
2695 video_qblur = atof(arg);
2698 static void opt_qcomp(const char *arg)
2700 video_qcomp = atof(arg);
2703 static void opt_rc_initial_cplx(const char *arg)
2705 video_rc_initial_cplx = atof(arg);
2707 static void opt_b_qfactor(const char *arg)
2709 video_b_qfactor = atof(arg);
2711 static void opt_i_qfactor(const char *arg)
2713 video_i_qfactor = atof(arg);
2715 static void opt_b_qoffset(const char *arg)
2717 video_b_qoffset = atof(arg);
2719 static void opt_i_qoffset(const char *arg)
2721 video_i_qoffset = atof(arg);
2724 static void opt_ibias(const char *arg)
2726 video_intra_quant_bias = atoi(arg);
2728 static void opt_pbias(const char *arg)
2730 video_inter_quant_bias = atoi(arg);
2733 static void opt_packet_size(const char *arg)
2735 packet_size= atoi(arg);
2738 static void opt_error_rate(const char *arg)
2740 error_rate= atoi(arg);
2743 static void opt_strict(const char *arg)
2748 static void opt_top_field_first(const char *arg)
2750 top_field_first= atoi(arg);
2753 static void opt_noise_reduction(const char *arg)
2755 noise_reduction= atoi(arg);
2758 static void opt_qns(const char *arg)
2763 static void opt_sc_threshold(const char *arg)
2765 sc_threshold= atoi(arg);
2768 static void opt_me_range(const char *arg)
2770 me_range = atoi(arg);
2773 static void opt_thread_count(const char *arg)
2775 thread_count= atoi(arg);
2776 #if !defined(HAVE_THREADS)
2778 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2782 static void opt_audio_bitrate(const char *arg)
2784 audio_bit_rate = atoi(arg) * 1000;
2787 static void opt_audio_rate(const char *arg)
2789 audio_sample_rate = atoi(arg);
2792 static void opt_audio_channels(const char *arg)
2794 audio_channels = atoi(arg);
2797 static void opt_video_device(const char *arg)
2799 video_device = av_strdup(arg);
2802 static void opt_grab_device(const char *arg)
2804 grab_device = av_strdup(arg);
2807 static void opt_video_channel(const char *arg)
2809 video_channel = strtol(arg, NULL, 0);
2812 static void opt_video_standard(const char *arg)
2814 video_standard = av_strdup(arg);
2817 static void opt_audio_device(const char *arg)
2819 audio_device = av_strdup(arg);
2822 static void opt_codec(int *pstream_copy, int *pcodec_id,
2823 int codec_type, const char *arg)
2827 if (!strcmp(arg, "copy")) {
2832 if (!strcmp(p->name, arg) && p->type == codec_type)
2837 fprintf(stderr, "Unknown codec '%s'\n", arg);
2845 static void opt_audio_codec(const char *arg)
2847 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2850 static void opt_audio_tag(const char *arg)
2853 audio_codec_tag= strtol(arg, &tail, 0);
2856 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2859 static void opt_video_tag(const char *arg)
2862 video_codec_tag= strtol(arg, &tail, 0);
2865 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2868 static void add_frame_hooker(const char *arg)
2873 char *args = av_strdup(arg);
2877 argv[0] = strtok(args, " ");
2878 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2881 i = frame_hook_add(argc, argv);
2884 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2889 const char *motion_str[] = {
2899 static void opt_motion_estimation(const char *arg)
2905 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2908 if (!strcmp(*p, arg))
2912 me_method = (p - motion_str) + 1;
2915 static void opt_video_codec(const char *arg)
2917 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2920 static void opt_subtitle_codec(const char *arg)
2922 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2925 static void opt_map(const char *arg)
2931 m = &stream_maps[nb_stream_maps++];
2933 m->file_index = strtol(arg, (char **)&p, 0);
2937 m->stream_index = strtol(p, (char **)&p, 0);
2940 m->sync_file_index = strtol(p, (char **)&p, 0);
2943 m->sync_stream_index = strtol(p, (char **)&p, 0);
2945 m->sync_file_index = m->file_index;
2946 m->sync_stream_index = m->stream_index;
2950 static void opt_map_meta_data(const char *arg)
2956 m = &meta_data_maps[nb_meta_data_maps++];
2958 m->out_file = strtol(arg, (char **)&p, 0);
2962 m->in_file = strtol(p, (char **)&p, 0);
2965 static void opt_recording_time(const char *arg)
2967 recording_time = parse_date(arg, 1);
2970 static void opt_start_time(const char *arg)
2972 start_time = parse_date(arg, 1);
2975 static void opt_rec_timestamp(const char *arg)
2977 rec_timestamp = parse_date(arg, 0) / 1000000;
2980 static void opt_input_ts_offset(const char *arg)
2982 input_ts_offset = parse_date(arg, 1);
2985 static void opt_input_file(const char *filename)
2987 AVFormatContext *ic;
2988 AVFormatParameters params, *ap = ¶ms;
2989 int err, i, ret, rfps, rfps_base;
2992 if (!strcmp(filename, "-"))
2995 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2996 !strcmp( filename, "/dev/stdin" );
2998 /* get default parameters from command line */
2999 memset(ap, 0, sizeof(*ap));
3000 ap->sample_rate = audio_sample_rate;
3001 ap->channels = audio_channels;
3002 ap->time_base.den = frame_rate;
3003 ap->time_base.num = frame_rate_base;
3004 ap->width = frame_width + frame_padleft + frame_padright;
3005 ap->height = frame_height + frame_padtop + frame_padbottom;
3006 ap->image_format = image_format;
3007 ap->pix_fmt = frame_pix_fmt;
3008 ap->device = grab_device;
3009 ap->channel = video_channel;
3010 ap->standard = video_standard;
3011 ap->video_codec_id = video_codec_id;
3012 ap->audio_codec_id = audio_codec_id;
3013 if(pgmyuv_compatibility_hack)
3014 ap->video_codec_id= CODEC_ID_PGMYUV;
3016 /* open the input file with generic libav function */
3017 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
3019 print_error(filename, err);
3023 /* If not enough info to get the stream parameters, we decode the
3024 first frames to get it. (used in mpeg case for example) */
3025 ret = av_find_stream_info(ic);
3026 if (ret < 0 && verbose >= 0) {
3027 fprintf(stderr, "%s: could not find codec parameters\n", filename);
3031 timestamp = start_time;
3032 /* add the stream start time */
3033 if (ic->start_time != AV_NOPTS_VALUE)
3034 timestamp += ic->start_time;
3036 /* if seeking requested, we execute it */
3037 if (start_time != 0) {
3038 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
3040 fprintf(stderr, "%s: could not seek to position %0.3f\n",
3041 filename, (double)timestamp / AV_TIME_BASE);
3043 /* reset seek info */
3047 /* update the current parameters so that they match the one of the input stream */
3048 for(i=0;i<ic->nb_streams;i++) {
3049 AVCodecContext *enc = &ic->streams[i]->codec;
3050 #if defined(HAVE_THREADS)
3052 avcodec_thread_init(enc, thread_count);
3054 enc->thread_count= thread_count;
3055 switch(enc->codec_type) {
3056 case CODEC_TYPE_AUDIO:
3057 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
3058 audio_channels = enc->channels;
3059 audio_sample_rate = enc->sample_rate;
3061 ic->streams[i]->discard= AVDISCARD_ALL;
3063 case CODEC_TYPE_VIDEO:
3064 frame_height = enc->height;
3065 frame_width = enc->width;
3066 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
3067 frame_pix_fmt = enc->pix_fmt;
3068 rfps = ic->streams[i]->r_frame_rate.num;
3069 rfps_base = ic->streams[i]->r_frame_rate.den;
3070 enc->workaround_bugs = workaround_bugs;
3071 enc->error_resilience = error_resilience;
3072 enc->error_concealment = error_concealment;
3073 enc->idct_algo = idct_algo;
3075 enc->debug_mv = debug_mv;
3076 enc->lowres= lowres;
3077 if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
3079 enc->flags|= CODEC_FLAG_BITEXACT;
3081 enc->debug |= FF_DEBUG_MV;
3083 enc->flags |= CODEC_FLAG_GRAY;
3085 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
3088 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
3089 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
3091 (float)rfps / rfps_base, rfps, rfps_base);
3093 /* update the current frame rate to match the stream frame rate */
3095 frame_rate_base = rfps_base;
3097 enc->rate_emu = rate_emu;
3099 ic->streams[i]->discard= AVDISCARD_ALL;
3100 else if(video_discard)
3101 ic->streams[i]->discard= video_discard;
3103 case CODEC_TYPE_DATA:
3105 case CODEC_TYPE_SUBTITLE:
3112 input_files[nb_input_files] = ic;
3113 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3114 /* dump the file content */
3116 dump_format(ic, nb_input_files, filename, 0);
3119 file_iformat = NULL;
3120 file_oformat = NULL;
3121 image_format = NULL;
3129 static void opt_grab(const char *arg)
3131 file_iformat = av_find_input_format(arg);
3135 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
3137 int has_video, has_audio, i, j;
3138 AVFormatContext *ic;
3142 for(j=0;j<nb_input_files;j++) {
3143 ic = input_files[j];
3144 for(i=0;i<ic->nb_streams;i++) {
3145 AVCodecContext *enc = &ic->streams[i]->codec;
3146 switch(enc->codec_type) {
3147 case CODEC_TYPE_AUDIO:
3150 case CODEC_TYPE_VIDEO:
3153 case CODEC_TYPE_DATA:
3154 case CODEC_TYPE_SUBTITLE:
3161 *has_video_ptr = has_video;
3162 *has_audio_ptr = has_audio;
3165 static void new_video_stream(AVFormatContext *oc)
3168 AVCodecContext *video_enc;
3171 st = av_new_stream(oc, oc->nb_streams);
3173 fprintf(stderr, "Could not alloc stream\n");
3176 #if defined(HAVE_THREADS)
3178 avcodec_thread_init(&st->codec, thread_count);
3181 video_enc = &st->codec;
3184 video_enc->codec_tag= video_codec_tag;
3186 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3187 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3188 if (video_stream_copy) {
3189 st->stream_copy = 1;
3190 video_enc->codec_type = CODEC_TYPE_VIDEO;
3196 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3197 if (video_codec_id != CODEC_ID_NONE)
3198 codec_id = video_codec_id;
3200 video_enc->codec_id = codec_id;
3201 codec = avcodec_find_encoder(codec_id);
3203 video_enc->bit_rate = video_bit_rate;
3204 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3205 video_enc->time_base.den = frame_rate;
3206 video_enc->time_base.num = frame_rate_base;
3207 if(codec && codec->supported_framerates){
3208 const AVRational *p= codec->supported_framerates;
3209 AVRational req= (AVRational){frame_rate, frame_rate_base};
3210 const AVRational *best=NULL;
3211 AVRational best_error= (AVRational){INT_MAX, 1};
3212 for(; p->den!=0; p++){
3213 AVRational error= av_sub_q(req, *p);
3214 if(error.num <0) error.num *= -1;
3215 if(av_cmp_q(error, best_error) < 0){
3220 video_enc->time_base.den= best->num;
3221 video_enc->time_base.num= best->den;
3224 video_enc->width = frame_width + frame_padright + frame_padleft;
3225 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3226 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3227 video_enc->pix_fmt = frame_pix_fmt;
3229 if(codec && codec->pix_fmts){
3230 const enum PixelFormat *p= codec->pix_fmts;
3232 if(*p == video_enc->pix_fmt)
3236 video_enc->pix_fmt = codec->pix_fmts[0];
3240 video_enc->gop_size = gop_size;
3242 video_enc->gop_size = 0;
3243 if (video_qscale || same_quality) {
3244 video_enc->flags |= CODEC_FLAG_QSCALE;
3245 video_enc->global_quality=
3246 st->quality = FF_QP2LAMBDA * video_qscale;
3250 video_enc->intra_matrix = intra_matrix;
3252 video_enc->inter_matrix = inter_matrix;
3255 video_enc->flags |= CODEC_FLAG_BITEXACT;
3257 video_enc->mb_decision = mb_decision;
3258 video_enc->mb_cmp = mb_cmp;
3259 video_enc->ildct_cmp = ildct_cmp;
3260 video_enc->me_sub_cmp = sub_cmp;
3261 video_enc->me_cmp = cmp;
3262 video_enc->me_pre_cmp = pre_cmp;
3263 video_enc->pre_me = pre_me;
3264 video_enc->lumi_masking = lumi_mask;
3265 video_enc->dark_masking = dark_mask;
3266 video_enc->spatial_cplx_masking = scplx_mask;
3267 video_enc->temporal_cplx_masking = tcplx_mask;
3268 video_enc->p_masking = p_mask;
3269 video_enc->quantizer_noise_shaping= qns;
3272 video_enc->flags |= CODEC_FLAG_H263P_UMV;
3275 video_enc->flags |= CODEC_FLAG_H263P_SLICE_STRUCT;
3278 video_enc->flags |= CODEC_FLAG_H263P_AIC;
3281 video_enc->flags |= CODEC_FLAG_H263P_AIV;
3284 video_enc->flags |= CODEC_FLAG_4MV;
3287 video_enc->flags |= CODEC_FLAG_OBMC;
3290 video_enc->flags |= CODEC_FLAG_LOOP_FILTER;
3294 video_enc->flags |= CODEC_FLAG_PART;
3297 video_enc->flags |= CODEC_FLAG_ALT_SCAN;
3300 video_enc->flags |= CODEC_FLAG_TRELLIS_QUANT;
3303 video_enc->flags |= CODEC_FLAG_MV0;
3305 if (do_normalize_aqp) {
3306 video_enc->flags |= CODEC_FLAG_NORMALIZE_AQP;
3308 if (use_scan_offset) {
3309 video_enc->flags |= CODEC_FLAG_SVCD_SCAN_OFFSET;
3312 video_enc->flags |= CODEC_FLAG_CLOSED_GOP;
3315 video_enc->flags2 |= CODEC_FLAG2_STRICT_GOP;
3318 video_enc->flags |= CODEC_FLAG_QPEL;
3321 video_enc->flags |= CODEC_FLAG_QP_RD;
3324 video_enc->flags |= CODEC_FLAG_CBP_RD;
3327 video_enc->max_b_frames = b_frames;
3328 video_enc->b_frame_strategy = b_strategy;
3329 video_enc->b_quant_factor = 2.0;
3331 if (do_interlace_dct) {
3332 video_enc->flags |= CODEC_FLAG_INTERLACED_DCT;
3334 if (do_interlace_me) {
3335 video_enc->flags |= CODEC_FLAG_INTERLACED_ME;
3338 video_enc->flags2 |= CODEC_FLAG2_NO_OUTPUT;
3341 video_enc->flags |= CODEC_FLAG_GRAY;
3343 video_enc->qmin = video_qmin;
3344 video_enc->qmax = video_qmax;
3345 video_enc->lmin = video_lmin;
3346 video_enc->lmax = video_lmax;
3347 video_enc->rc_qsquish = video_qsquish;
3348 video_enc->luma_elim_threshold = video_lelim;
3349 video_enc->chroma_elim_threshold = video_celim;
3350 video_enc->mb_lmin = video_mb_lmin;
3351 video_enc->mb_lmax = video_mb_lmax;
3352 video_enc->max_qdiff = video_qdiff;
3353 video_enc->qblur = video_qblur;
3354 video_enc->qcompress = video_qcomp;
3355 video_enc->rc_eq = video_rc_eq;
3356 video_enc->debug = debug;
3357 video_enc->debug_mv = debug_mv;
3358 video_enc->workaround_bugs = workaround_bugs;
3359 video_enc->thread_count = thread_count;
3360 p= video_rc_override_string;
3363 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3365 fprintf(stderr, "error parsing rc_override\n");
3368 video_enc->rc_override=
3369 av_realloc(video_enc->rc_override,
3370 sizeof(RcOverride)*(i+1));
3371 video_enc->rc_override[i].start_frame= start;
3372 video_enc->rc_override[i].end_frame = end;
3374 video_enc->rc_override[i].qscale= q;
3375 video_enc->rc_override[i].quality_factor= 1.0;
3378 video_enc->rc_override[i].qscale= 0;
3379 video_enc->rc_override[i].quality_factor= -q/100.0;
3384 video_enc->rc_override_count=i;
3386 video_enc->rc_max_rate = video_rc_max_rate;
3387 video_enc->rc_min_rate = video_rc_min_rate;
3388 video_enc->rc_buffer_size = video_rc_buffer_size;
3389 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3390 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3391 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3392 video_enc->i_quant_factor = video_i_qfactor;
3393 video_enc->b_quant_factor = video_b_qfactor;
3394 video_enc->i_quant_offset = video_i_qoffset;
3395 video_enc->b_quant_offset = video_b_qoffset;
3396 video_enc->intra_quant_bias = video_intra_quant_bias;
3397 video_enc->inter_quant_bias = video_inter_quant_bias;
3398 video_enc->dct_algo = dct_algo;
3399 video_enc->idct_algo = idct_algo;
3400 video_enc->me_threshold= me_threshold;
3401 video_enc->mb_threshold= mb_threshold;
3402 video_enc->intra_dc_precision= intra_dc_precision - 8;
3403 video_enc->strict_std_compliance = strict;
3404 video_enc->error_rate = error_rate;
3405 video_enc->noise_reduction= noise_reduction;
3406 video_enc->scenechange_threshold= sc_threshold;
3407 video_enc->me_range = me_range;
3408 video_enc->coder_type= coder;
3409 video_enc->context_model= context;
3410 video_enc->prediction_method= predictor;
3411 video_enc->profile= video_profile;
3412 video_enc->level= video_level;
3413 video_enc->nsse_weight= nsse_weight;
3414 video_enc->me_subpel_quality= subpel_quality;
3415 video_enc->me_penalty_compensation= me_penalty_compensation;
3416 video_enc->frame_skip_threshold= frame_skip_threshold;
3417 video_enc->frame_skip_factor= frame_skip_factor;
3418 video_enc->frame_skip_exp= frame_skip_exp;
3419 video_enc->frame_skip_cmp= frame_skip_cmp;
3422 video_enc->rtp_mode= 1;
3423 video_enc->rtp_payload_size= packet_size;
3427 video_enc->flags|= CODEC_FLAG_PSNR;
3429 video_enc->me_method = me_method;
3434 video_enc->flags |= CODEC_FLAG_PASS1;
3436 video_enc->flags |= CODEC_FLAG_PASS2;
3441 /* reset some key parameters */
3443 video_codec_id = CODEC_ID_NONE;
3444 video_stream_copy = 0;
3447 static void new_audio_stream(AVFormatContext *oc)
3450 AVCodecContext *audio_enc;
3453 st = av_new_stream(oc, oc->nb_streams);
3455 fprintf(stderr, "Could not alloc stream\n");
3458 #if defined(HAVE_THREADS)
3460 avcodec_thread_init(&st->codec, thread_count);
3463 audio_enc = &st->codec;
3464 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3467 audio_enc->codec_tag= audio_codec_tag;
3469 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
3470 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3471 if (audio_stream_copy) {
3472 st->stream_copy = 1;
3473 audio_enc->channels = audio_channels;
3475 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3476 if (audio_codec_id != CODEC_ID_NONE)
3477 codec_id = audio_codec_id;
3478 audio_enc->codec_id = codec_id;
3480 audio_enc->bit_rate = audio_bit_rate;
3481 audio_enc->strict_std_compliance = strict;
3482 audio_enc->thread_count = thread_count;
3483 /* For audio codecs other than AC3 or DTS we limit */
3484 /* the number of coded channels to stereo */
3485 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3486 && codec_id != CODEC_ID_DTS) {
3487 audio_enc->channels = 2;
3489 audio_enc->channels = audio_channels;
3491 audio_enc->sample_rate = audio_sample_rate;
3492 if (audio_language) {
3493 pstrcpy(st->language, sizeof(st->language), audio_language);
3494 av_free(audio_language);
3495 audio_language = NULL;
3498 /* reset some key parameters */
3500 audio_codec_id = CODEC_ID_NONE;
3501 audio_stream_copy = 0;
3504 static void opt_new_subtitle_stream(void)
3506 AVFormatContext *oc;
3508 AVCodecContext *subtitle_enc;
3510 if (nb_output_files <= 0) {
3511 fprintf(stderr, "At least one output file must be specified\n");
3514 oc = output_files[nb_output_files - 1];
3516 st = av_new_stream(oc, oc->nb_streams);
3518 fprintf(stderr, "Could not alloc stream\n");
3522 subtitle_enc = &st->codec;
3523 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3524 if (subtitle_stream_copy) {
3525 st->stream_copy = 1;
3527 subtitle_enc->codec_id = subtitle_codec_id;
3530 if (subtitle_language) {
3531 pstrcpy(st->language, sizeof(st->language), subtitle_language);
3532 av_free(subtitle_language);
3533 subtitle_language = NULL;
3536 subtitle_codec_id = CODEC_ID_NONE;
3537 subtitle_stream_copy = 0;
3540 static void opt_new_audio_stream(void)
3542 AVFormatContext *oc;
3543 if (nb_output_files <= 0) {
3544 fprintf(stderr, "At least one output file must be specified\n");
3547 oc = output_files[nb_output_files - 1];
3548 new_audio_stream(oc);
3551 static void opt_new_video_stream(void)
3553 AVFormatContext *oc;
3554 if (nb_output_files <= 0) {
3555 fprintf(stderr, "At least one output file must be specified\n");
3558 oc = output_files[nb_output_files - 1];
3559 new_video_stream(oc);
3562 static void opt_output_file(const char *filename)
3564 AVFormatContext *oc;
3565 int use_video, use_audio, input_has_video, input_has_audio;
3566 AVFormatParameters params, *ap = ¶ms;
3568 if (!strcmp(filename, "-"))
3571 oc = av_alloc_format_context();
3573 if (!file_oformat) {
3574 file_oformat = guess_format(NULL, filename, NULL);
3575 if (!file_oformat) {
3576 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3582 oc->oformat = file_oformat;
3583 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3585 if (!strcmp(file_oformat->name, "ffm") &&
3586 strstart(filename, "http:", NULL)) {
3587 /* special case for files sent to ffserver: we get the stream
3588 parameters from ffserver */
3589 if (read_ffserver_streams(oc, filename) < 0) {
3590 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3594 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy;
3595 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy;
3597 /* disable if no corresponding type found and at least one
3599 if (nb_input_files > 0) {
3600 check_audio_video_inputs(&input_has_video, &input_has_audio);
3601 if (!input_has_video)
3603 if (!input_has_audio)
3607 /* manual disable */
3608 if (audio_disable) {
3611 if (video_disable) {
3616 new_video_stream(oc);
3620 new_audio_stream(oc);
3623 if (!oc->nb_streams) {
3624 fprintf(stderr, "No audio or video streams available\n");
3628 oc->timestamp = rec_timestamp;
3631 pstrcpy(oc->title, sizeof(oc->title), str_title);
3633 pstrcpy(oc->author, sizeof(oc->author), str_author);
3635 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3637 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3640 output_files[nb_output_files++] = oc;
3642 /* check filename in case of an image number is expected */
3643 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3644 if (filename_number_test(oc->filename) < 0) {
3645 print_error(oc->filename, AVERROR_NUMEXPECTED);
3650 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3651 /* test if it already exists to avoid loosing precious files */
3652 if (!file_overwrite &&
3653 (strchr(filename, ':') == NULL ||
3654 strstart(filename, "file:", NULL))) {
3655 if (url_exist(filename)) {
3658 if ( !using_stdin ) {
3659 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3662 if (toupper(c) != 'Y') {
3663 fprintf(stderr, "Not overwriting - exiting\n");
3668 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3675 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3676 fprintf(stderr, "Could not open '%s'\n", filename);
3681 memset(ap, 0, sizeof(*ap));
3682 ap->image_format = image_format;
3683 if (av_set_parameters(oc, ap) < 0) {
3684 fprintf(stderr, "%s: Invalid encoding parameters\n",
3689 oc->packet_size= mux_packet_size;
3690 oc->mux_rate= mux_rate;
3691 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3692 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3693 oc->loop_output = loop_output;
3695 /* reset some options */
3696 file_oformat = NULL;
3697 file_iformat = NULL;
3698 image_format = NULL;
3701 /* prepare dummy protocols for grab */
3702 static void prepare_grab(void)
3704 int has_video, has_audio, i, j;
3705 AVFormatContext *oc;
3706 AVFormatContext *ic;
3707 AVFormatParameters vp1, *vp = &vp1;
3708 AVFormatParameters ap1, *ap = &ap1;
3710 /* see if audio/video inputs are needed */
3713 memset(ap, 0, sizeof(*ap));
3714 memset(vp, 0, sizeof(*vp));
3715 vp->time_base.num= 1;
3716 for(j=0;j<nb_output_files;j++) {
3717 oc = output_files[j];
3718 for(i=0;i<oc->nb_streams;i++) {
3719 AVCodecContext *enc = &oc->streams[i]->codec;
3720 switch(enc->codec_type) {
3721 case CODEC_TYPE_AUDIO:
3722 if (enc->sample_rate > ap->sample_rate)
3723 ap->sample_rate = enc->sample_rate;
3724 if (enc->channels > ap->channels)
3725 ap->channels = enc->channels;
3728 case CODEC_TYPE_VIDEO:
3729 if (enc->width > vp->width)
3730 vp->width = enc->width;
3731 if (enc->height > vp->height)
3732 vp->height = enc->height;
3734 if (vp->time_base.num*(int64_t)enc->time_base.den > enc->time_base.num*(int64_t)vp->time_base.den){
3735 vp->time_base = enc->time_base;
3745 if (has_video == 0 && has_audio == 0) {
3746 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3751 AVInputFormat *fmt1;
3752 fmt1 = av_find_input_format(video_grab_format);
3753 vp->device = video_device;
3754 vp->channel = video_channel;
3755 vp->standard = video_standard;
3756 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3757 fprintf(stderr, "Could not find video grab device\n");
3760 /* If not enough info to get the stream parameters, we decode the
3761 first frames to get it. */
3762 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3763 fprintf(stderr, "Could not find video grab parameters\n");
3766 /* by now video grab has one stream */
3767 ic->streams[0]->r_frame_rate.num = vp->time_base.den;
3768 ic->streams[0]->r_frame_rate.den = vp->time_base.num;
3769 input_files[nb_input_files] = ic;
3772 dump_format(ic, nb_input_files, "", 0);
3776 if (has_audio && audio_grab_format) {
3777 AVInputFormat *fmt1;
3778 fmt1 = av_find_input_format(audio_grab_format);
3779 ap->device = audio_device;
3780 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
3781 fprintf(stderr, "Could not find audio grab device\n");
3784 input_files[nb_input_files] = ic;
3787 dump_format(ic, nb_input_files, "", 0);
3793 /* same option as mencoder */
3794 static void opt_pass(const char *pass_str)
3797 pass = atoi(pass_str);
3798 if (pass != 1 && pass != 2) {
3799 fprintf(stderr, "pass number can be only 1 or 2\n");
3805 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
3806 static int64_t getutime(void)
3808 return av_gettime();
3811 static int64_t getutime(void)
3813 struct rusage rusage;
3815 getrusage(RUSAGE_SELF, &rusage);
3816 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3820 extern int ffm_nopts;
3822 static void opt_bitexact(void)
3825 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3829 static void show_formats(void)
3831 AVInputFormat *ifmt;
3832 AVOutputFormat *ofmt;
3833 AVImageFormat *image_fmt;
3836 const char **pp, *last_name;
3838 printf("File formats:\n");
3843 const char *name=NULL;
3844 const char *long_name=NULL;
3846 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3847 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3848 strcmp(ofmt->name, last_name)>0){
3850 long_name= ofmt->long_name;
3854 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3855 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3856 strcmp(ifmt->name, last_name)>0){
3858 long_name= ifmt->long_name;
3861 if(name && strcmp(ifmt->name, name)==0)
3873 long_name ? long_name:" ");
3877 printf("Image formats (filename extensions, if any, follow):\n");
3878 for(image_fmt = first_image_format; image_fmt != NULL;
3879 image_fmt = image_fmt->next) {
3882 image_fmt->img_read ? "D":" ",
3883 image_fmt->img_write ? "E":" ",
3885 image_fmt->extensions ? image_fmt->extensions:" ");
3889 printf("Codecs:\n");
3895 const char *type_str;
3898 for(p = first_avcodec; p != NULL; p = p->next) {
3899 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3900 strcmp(p->name, last_name)>0){
3902 decode= encode= cap=0;
3904 if(p2 && strcmp(p->name, p2->name)==0){
3905 if(p->decode) decode=1;
3906 if(p->encode) encode=1;
3907 cap |= p->capabilities;
3912 last_name= p2->name;
3915 case CODEC_TYPE_VIDEO:
3918 case CODEC_TYPE_AUDIO:
3921 case CODEC_TYPE_SUBTITLE:
3930 decode ? "D": (/*p2->decoder ? "d":*/" "),
3933 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3934 cap & CODEC_CAP_DR1 ? "D":" ",
3935 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3937 /* if(p2->decoder && decode==0)
3938 printf(" use %s for decoding", p2->decoder->name);*/
3943 printf("Supported file protocols:\n");
3944 for(up = first_protocol; up != NULL; up = up->next)
3945 printf(" %s:", up->name);
3948 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3949 printf("Motion estimation methods:\n");
3953 if ((pp - motion_str + 1) == ME_ZERO)
3954 printf("(fastest)");
3955 else if ((pp - motion_str + 1) == ME_FULL)
3956 printf("(slowest)");
3957 else if ((pp - motion_str + 1) == ME_EPZS)
3958 printf("(default)");
3963 "Note, the names of encoders and decoders dont always match, so there are\n"
3964 "several cases where the above table shows encoder only or decoder only entries\n"
3965 "even though both encoding and decoding are supported for example, the h263\n"
3966 "decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3971 void parse_matrix_coeffs(uint16_t *dest, const char *str)
3974 const char *p = str;
3981 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3988 void opt_inter_matrix(const char *arg)
3990 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3991 parse_matrix_coeffs(inter_matrix, arg);
3994 void opt_intra_matrix(const char *arg)
3996 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3997 parse_matrix_coeffs(intra_matrix, arg);
4000 static void opt_target(const char *arg)
4003 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
4005 if(!strncmp(arg, "pal-", 4)) {
4008 } else if(!strncmp(arg, "ntsc-", 5)) {
4011 } else if(!strncmp(arg, "film-", 5)) {
4016 /* Calculate FR via float to avoid int overflow */
4017 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
4020 } else if((fr == 29970) || (fr == 23976)) {
4023 /* Try to determine PAL/NTSC by peeking in the input files */
4024 if(nb_input_files) {
4026 for(j = 0; j < nb_input_files; j++) {
4027 for(i = 0; i < input_files[j]->nb_streams; i++) {
4028 AVCodecContext *c = &input_files[j]->streams[i]->codec;
4029 if(c->codec_type != CODEC_TYPE_VIDEO)
4031 fr = c->time_base.den * 1000 / c->time_base.num;
4035 } else if((fr == 29970) || (fr == 23976)) {
4045 if(verbose && norm >= 0)
4046 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
4050 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
4051 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
4052 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
4056 if(!strcmp(arg, "vcd")) {
4058 opt_video_codec("mpeg1video");
4059 opt_audio_codec("mp2");
4062 opt_frame_size(norm ? "352x240" : "352x288");
4063 opt_frame_rate(frame_rates[norm]);
4064 opt_gop_size(norm ? "18" : "15");
4066 video_bit_rate = 1150000;
4067 video_rc_max_rate = 1150000;
4068 video_rc_min_rate = 1150000;
4069 video_rc_buffer_size = 40*1024*8;
4071 audio_bit_rate = 224000;
4072 audio_sample_rate = 44100;
4074 mux_packet_size= 2324;
4075 mux_rate= 2352 * 75 * 8;
4077 /* We have to offset the PTS, so that it is consistent with the SCR.
4078 SCR starts at 36000, but the first two packs contain only padding
4079 and the first pack from the other stream, respectively, may also have
4080 been written before.
4081 So the real data starts at SCR 36000+3*1200. */
4082 mux_preload= (36000+3*1200) / 90000.0; //0.44
4083 } else if(!strcmp(arg, "svcd")) {
4085 opt_video_codec("mpeg2video");
4086 opt_audio_codec("mp2");
4089 opt_frame_size(norm ? "480x480" : "480x576");
4090 opt_frame_rate(frame_rates[norm]);
4091 opt_gop_size(norm ? "18" : "15");
4093 video_bit_rate = 2040000;
4094 video_rc_max_rate = 2516000;
4095 video_rc_min_rate = 0; //1145000;
4096 video_rc_buffer_size = 224*1024*8;
4097 use_scan_offset = 1;
4099 audio_bit_rate = 224000;
4100 audio_sample_rate = 44100;
4102 mux_packet_size= 2324;
4104 } else if(!strcmp(arg, "dvd")) {
4106 opt_video_codec("mpeg2video");
4107 opt_audio_codec("ac3");
4110 opt_frame_size(norm ? "720x480" : "720x576");
4111 opt_frame_rate(frame_rates[norm]);
4112 opt_gop_size(norm ? "18" : "15");
4114 video_bit_rate = 6000000;
4115 video_rc_max_rate = 9000000;
4116 video_rc_min_rate = 0; //1500000;
4117 video_rc_buffer_size = 224*1024*8;
4119 mux_packet_size= 2048; // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
4120 mux_rate = 10080000; // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
4122 audio_bit_rate = 448000;
4123 audio_sample_rate = 48000;
4125 } else if(!strcmp(arg, "dv")) {
4129 opt_frame_size(norm ? "720x480" : "720x576");
4130 opt_frame_rate(frame_rates[norm]);
4132 audio_sample_rate = 48000;
4136 fprintf(stderr, "Unknown target: %s\n", arg);
4141 static void show_version(void)
4143 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
4146 avcodec_build(), LIBAVFORMAT_BUILD);
4150 const OptionDef options[] = {
4152 { "L", 0, {(void*)show_license}, "show license" },
4153 { "h", 0, {(void*)show_help}, "show help" },
4154 { "version", 0, {(void*)show_version}, "show version" },
4155 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4156 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4157 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
4158 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4159 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4160 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4161 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4162 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
4163 { "fs", HAS_ARG | OPT_INT, {(void*)&limit_filesize}, "set the limit file size", "limit_size" }, //
4164 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4165 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4166 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
4167 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
4168 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
4169 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
4170 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
4171 { "debug", HAS_ARG | OPT_EXPERT, {(void*)opt_debug}, "print specific debug info", "" },
4172 { "vismv", HAS_ARG | OPT_EXPERT, {(void*)opt_vismv}, "visualize motion vectors", "" },
4173 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4174 "add timings for benchmarking" },
4175 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4176 "dump each input packet" },
4177 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4178 "when dumping packets, also dump the payload" },
4179 { "bitexact", OPT_EXPERT, {(void*)opt_bitexact}, "only use bit exact algorithms (for codec testing)" },
4180 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4181 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4182 { "loop_output", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&loop_output}, "number of times to loop output in formats that support looping (0 loops forever)", "" },
4183 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
4184 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4185 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4186 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4187 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4188 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4189 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4192 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
4193 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4194 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4195 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
4196 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4197 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4198 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4199 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
4200 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
4201 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
4202 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
4203 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
4204 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
4205 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
4206 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
4207 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
4208 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
4209 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
4210 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4211 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4212 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4213 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
4214 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
4215 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
4216 { "lmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmin}, "min video lagrange factor (VBR)", "lambda" },
4217 { "lmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmax}, "max video lagrange factor (VBR)", "lambda" },
4218 { "mblmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmin}, "min macroblock quantiser scale (VBR)", "q" },
4219 { "mblmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmax}, "max macroblock quantiser scale (VBR)", "q" },
4220 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
4221 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
4222 { "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" },
4223 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
4224 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
4225 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
4226 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
4227 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
4228 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
4229 { "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" },
4230 { "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" },
4231 { "b_strategy", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&b_strategy}, "dynamic b frame selection strategy", "strategy" },
4232 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
4233 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4234 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
4235 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
4236 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
4237 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffer size (in kByte)", "size" },
4238 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4239 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
4241 { "dct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dct_algo}, "set dct algo", "algo" },
4242 { "idct_algo", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_idct_algo}, "set idct algo", "algo" },
4243 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
4244 { "mb_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_threshold}, "macroblock threshold", "" },
4245 { "er", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_resilience}, "set error resilience", "n" },
4246 { "ec", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_error_concealment}, "set error concealment", "bit_mask" },
4247 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
4248 { "hq", OPT_BOOL, {(void*)&mb_decision}, "activate high quality settings" },
4249 { "mbd", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_decision}, "macroblock decision", "mode" },
4250 { "mbcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_cmp}, "macroblock compare function", "cmp function" },
4251 { "ildctcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ildct_cmp}, "ildct compare function", "cmp function" },
4252 { "subcmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sub_cmp}, "subpel compare function", "cmp function" },
4253 { "cmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_cmp}, "fullpel compare function", "cmp function" },
4254 { "precmp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_cmp}, "pre motion estimation compare function", "cmp function" },
4255 { "preme", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_me}, "pre motion estimation", "" },
4256 { "lelim", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lelim}, "single coefficient elimination threshold for luminance (negative values also consider DC coefficient)", "elim" },
4257 { "celim", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_celim}, "single coefficient elimination threshold for chrominance (negative values also consider DC coefficient)", "elim" },
4258 { "lumi_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lumi_mask}, "luminance masking", "" },
4259 { "dark_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_dark_mask}, "darkness masking", "" },
4260 { "scplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_scplx_mask}, "spatial complexity masking", "" },
4261 { "tcplx_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_tcplx_mask}, "temporal complexity masking", "" },
4262 { "p_mask", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_p_mask}, "inter masking", "" },
4263 { "4mv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_4mv}, "use four motion vector by macroblock (MPEG4)" },
4264 { "obmc", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_obmc}, "use overlapped block motion compensation (h263+)" },
4265 { "lf", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_loop}, "use loop filter (h263+)" },
4266 { "part", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_part}, "use data partitioning (MPEG4)" },
4267 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
4268 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
4269 { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
4270 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
4271 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4272 "use same video quality as source (implies VBR)" },
4273 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4274 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
4275 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4276 "deinterlace pictures" },
4277 { "ildct", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_dct},
4278 "force interlaced dct support in encoder (MPEG2/MPEG4)" },
4279 { "ilme", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_interlace_me},
4280 "force interlaced me support in encoder (MPEG2/MPEG4)" },
4281 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4282 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
4283 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
4284 { "aic", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aic}, "enable Advanced intra coding (h263+)" },
4285 { "aiv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_aiv}, "enable Alternative inter vlc (h263+)" },
4286 { "umv", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_umv}, "enable Unlimited Motion Vector (h263+)" },
4287 { "ssm", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_ss}, "enable Slice Structured mode (h263+)" },
4288 { "alt", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_alt_scan}, "enable alternate scantable (MPEG2/MPEG4)" },
4289 { "qprd", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_qprd}, "" },
4290 { "cbp", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_cbprd}, "" },
4291 { "trell", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_trell}, "enable trellis quantization" },
4292 { "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)" },
4293 { "naq", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_normalize_aqp}, "normalize adaptive quantization" },
4294 { "cgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&closed_gop}, "closed gop" },
4295 { "sgop", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&strict_gop}, "strict gop" },
4296 { "noout", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&no_output}, "skip bitstream encoding" },
4297 { "scan_offset", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_scan_offset}, "enable SVCD Scan Offset placeholder" },
4298 { "qpel", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&use_qpel}, "enable 1/4-pel" },
4299 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4300 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4301 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4302 { "nr", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_noise_reduction}, "noise reduction", "" },
4303 { "qns", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qns}, "quantization noise shaping", "" },
4304 { "sc_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sc_threshold}, "scene change threshold", "threshold" },
4305 { "me_range", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_range}, "limit motion vectors range (1023 for DivX player)", "range" },
4306 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4307 { "coder", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&coder}, "coder type", "" },
4308 { "context", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&context}, "context model", "" },
4309 { "pred", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&predictor}, "prediction method", "" },
4310 { "vprofile", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_profile}, "profile", "" },
4311 { "vlevel", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_level}, "level", "" },
4312 { "nssew", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&nsse_weight}, "weight", "" },
4313 { "subq", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&subpel_quality}, "", "" },
4314 { "mepc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&me_penalty_compensation}, "motion estimation bitrate penalty compensation", "factor (1.0 = 256)" },
4315 { "lowres", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&lowres}, "", "" },
4316 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4317 { "skip_threshold", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_threshold}, "frame skip threshold", "threshold" },
4318 { "skip_factor", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_factor}, "frame skip factor", "factor" },
4319 { "skip_exp", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_exp}, "frame skip exponent", "exponent" },
4320 { "skip_cmp", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_cmp}, "frame skip compare function", "compare function" },
4321 { "gray", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&gray_only }, "encode/decode grayscale" },
4322 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4325 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
4326 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4327 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4328 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4329 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4330 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4331 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4332 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4333 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4335 /* subtitle options */
4336 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4337 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4338 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4341 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
4342 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4343 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4344 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
4346 /* G.2 grab options */
4347 { "grab", HAS_ARG | OPT_EXPERT | OPT_GRAB, {(void*)opt_grab}, "request grabbing using", "format" },
4348 { "gd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_grab_device}, "set grab device", "device" },
4351 { "muxrate", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_rate}, "set mux rate", "rate" },
4352 { "packetsize", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_packet_size}, "set packet size", "size" },
4353 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4354 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4358 static void show_banner(void)
4360 fprintf(stderr, "ffmpeg version " FFMPEG_VERSION ", build %d, Copyright (c) 2000-2004 Fabrice Bellard\n",
4362 fprintf(stderr, " configuration: %s\n", FFMPEG_CONFIGURATION);
4363 fprintf(stderr, " built on " __DATE__ " " __TIME__);
4365 fprintf(stderr, ", gcc: %s\n", __VERSION__);
4367 fprintf(stderr, ", using a non-gcc compiler\n");
4371 static void show_license(void)
4376 "This program is free software; you can redistribute it and/or modify\n"
4377 "it under the terms of the GNU General Public License as published by\n"
4378 "the Free Software Foundation; either version 2 of the License, or\n"
4379 "(at your option) any later version.\n"
4381 "This program is distributed in the hope that it will be useful,\n"
4382 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4383 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
4384 "GNU General Public License for more details.\n"
4386 "You should have received a copy of the GNU General Public License\n"
4387 "along with this program; if not, write to the Free Software\n"
4388 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
4392 "This library is free software; you can redistribute it and/or\n"
4393 "modify it under the terms of the GNU Lesser General Public\n"
4394 "License as published by the Free Software Foundation; either\n"
4395 "version 2 of the License, or (at your option) any later version.\n"
4397 "This library is distributed in the hope that it will be useful,\n"
4398 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4399 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4400 "Lesser General Public License for more details.\n"
4402 "You should have received a copy of the GNU Lesser General Public\n"
4403 "License along with this library; if not, write to the Free Software\n"
4404 "Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
4410 static void show_help(void)
4413 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
4414 "Hyper fast Audio and Video encoder\n");
4416 show_help_options(options, "Main options:\n",
4417 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
4418 show_help_options(options, "\nVideo options:\n",
4419 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4421 show_help_options(options, "\nAdvanced Video options:\n",
4422 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4423 OPT_VIDEO | OPT_EXPERT);
4424 show_help_options(options, "\nAudio options:\n",
4425 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4427 show_help_options(options, "\nAdvanced Audio options:\n",
4428 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4429 OPT_AUDIO | OPT_EXPERT);
4430 show_help_options(options, "\nSubtitle options:\n",
4431 OPT_SUBTITLE | OPT_GRAB,
4433 show_help_options(options, "\nAudio/Video grab options:\n",
4436 show_help_options(options, "\nAdvanced options:\n",
4437 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4442 void parse_arg_file(const char *filename)
4444 opt_output_file(filename);
4447 int main(int argc, char **argv)
4460 parse_options(argc, argv, options);
4462 /* file converter / grab */
4463 if (nb_output_files <= 0) {
4464 fprintf(stderr, "Must supply at least one output file\n");
4468 if (nb_input_files == 0) {
4474 av_encode(output_files, nb_output_files, input_files, nb_input_files,
4475 stream_maps, nb_stream_maps);
4476 ti = getutime() - ti;
4478 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4482 for(i=0;i<nb_output_files;i++) {
4483 /* maybe av_close_output_file ??? */
4484 AVFormatContext *s = output_files[i];
4486 if (!(s->oformat->flags & AVFMT_NOFILE))
4488 for(j=0;j<s->nb_streams;j++)
4489 av_free(s->streams[j]);
4492 for(i=0;i<nb_input_files;i++)
4493 av_close_input_file(input_files[i]);
4498 av_free(intra_matrix);
4500 av_free(inter_matrix);
4502 #ifdef POWERPC_PERFORMANCE_REPORT
4503 extern void powerpc_display_perf_report(void);
4504 powerpc_display_perf_report();
4505 #endif /* POWERPC_PERFORMANCE_REPORT */
4507 #ifndef CONFIG_WIN32
4508 if (received_sigterm) {
4510 "Received signal %d: terminating.\n",
4511 (int) received_sigterm);
4515 exit(0); /* not all OS-es handle main() return value */