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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #define HAVE_AV_CONFIG_H
22 #include "framehook.h"
29 #include <sys/ioctl.h>
32 #include <sys/resource.h>
36 #include <sys/types.h>
37 #include <sys/select.h>
40 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
48 #if !defined(INFINITY) && defined(HUGE_VAL)
49 #define INFINITY HUGE_VAL
52 /* select an input stream for an output stream */
53 typedef struct AVStreamMap {
57 int sync_stream_index;
60 /** select an input file for an output file */
61 typedef struct AVMetaDataMap {
66 extern const OptionDef options[];
68 static void show_help(void);
69 static void show_license(void);
70 static int opt_default(const char *opt, const char *arg);
74 static AVFormatContext *input_files[MAX_FILES];
75 static int64_t input_files_ts_offset[MAX_FILES];
76 static int nb_input_files = 0;
78 static AVFormatContext *output_files[MAX_FILES];
79 static int nb_output_files = 0;
81 static AVStreamMap stream_maps[MAX_FILES];
82 static int nb_stream_maps;
84 static AVMetaDataMap meta_data_maps[MAX_FILES];
85 static int nb_meta_data_maps;
87 static AVInputFormat *file_iformat;
88 static AVOutputFormat *file_oformat;
89 static AVImageFormat *image_format;
90 static int frame_width = 0;
91 static int frame_height = 0;
92 static float frame_aspect_ratio = 0;
93 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
94 static int frame_padtop = 0;
95 static int frame_padbottom = 0;
96 static int frame_padleft = 0;
97 static int frame_padright = 0;
98 static int padcolor[3] = {16,128,128}; /* default to black */
99 static int frame_topBand = 0;
100 static int frame_bottomBand = 0;
101 static int frame_leftBand = 0;
102 static int frame_rightBand = 0;
103 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
104 static int frame_rate = 25;
105 static int frame_rate_base = 1;
106 static int video_bit_rate = 200*1000;
107 static int video_bit_rate_tolerance = 4000*1000;
108 static float video_qscale = 0;
109 static int video_qmin = 2;
110 static int video_qmax = 31;
111 static int video_lmin = 2*FF_QP2LAMBDA;
112 static int video_lmax = 31*FF_QP2LAMBDA;
113 static int video_mb_lmin = 2*FF_QP2LAMBDA;
114 static int video_mb_lmax = 31*FF_QP2LAMBDA;
115 static int video_qdiff = 3;
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 pre_me = 0;
147 static int do_deinterlace = 0;
148 static int workaround_bugs = FF_BUG_AUTODETECT;
149 static int packet_size = 0;
150 static int error_rate = 0;
151 static int strict = 0;
152 static int top_field_first = -1;
153 static int sc_threshold = 0;
154 static int me_threshold = 0;
155 static int mb_threshold = 0;
156 static int intra_dc_precision = 8;
157 static int me_penalty_compensation= 256;
158 static int frame_skip_threshold= 0;
159 static int frame_skip_factor= 0;
160 static int frame_skip_exp= 0;
161 extern int loop_input; /* currently a hack */
162 static int loop_output = AVFMT_NOOUTPUTLOOP;
163 static int genpts = 0;
164 static int qp_hist = 0;
166 static int gop_size = 12;
167 static int intra_only = 0;
168 static int audio_sample_rate = 44100;
169 static int audio_bit_rate = 64000;
170 #define QSCALE_NONE -99999
171 static float audio_qscale = QSCALE_NONE;
172 static int audio_disable = 0;
173 static int audio_channels = 1;
174 static int audio_codec_id = CODEC_ID_NONE;
175 static int audio_codec_tag = 0;
176 static char *audio_language = NULL;
178 static int subtitle_codec_id = CODEC_ID_NONE;
179 static char *subtitle_language = NULL;
181 static int mux_rate= 0;
182 static int mux_packet_size= 0;
183 static float mux_preload= 0.5;
184 static float mux_max_delay= 0.7;
186 static int64_t recording_time = 0;
187 static int64_t start_time = 0;
188 static int64_t rec_timestamp = 0;
189 static int64_t input_ts_offset = 0;
190 static int file_overwrite = 0;
191 static char *str_title = NULL;
192 static char *str_author = NULL;
193 static char *str_copyright = NULL;
194 static char *str_comment = NULL;
195 static int do_benchmark = 0;
196 static int do_hex_dump = 0;
197 static int do_pkt_dump = 0;
198 static int do_psnr = 0;
199 static int do_vstats = 0;
200 static int do_pass = 0;
201 static char *pass_logfilename = NULL;
202 static int audio_stream_copy = 0;
203 static int video_stream_copy = 0;
204 static int subtitle_stream_copy = 0;
205 static int video_sync_method= 1;
206 static int audio_sync_method= 0;
207 static int copy_ts= 0;
208 static int opt_shortest = 0; //
209 static int video_global_header = 0;
211 static int rate_emu = 0;
214 static char *video_grab_format = "bktr";
216 #ifdef CONFIG_VIDEO4LINUX2
217 static char *video_grab_format = "video4linux2";
219 static char *video_grab_format = "video4linux";
222 static char *video_device = NULL;
223 static char *grab_device = NULL;
224 static int video_channel = 0;
225 static char *video_standard = "ntsc";
227 static char *audio_grab_format = "audio_device";
228 static char *audio_device = NULL;
229 static int audio_volume = 256;
231 static int using_stdin = 0;
232 static int using_vhook = 0;
233 static int verbose = 1;
234 static int thread_count= 1;
235 static int q_pressed = 0;
236 static int me_range = 0;
237 static int64_t video_size = 0;
238 static int64_t audio_size = 0;
239 static int64_t extra_size = 0;
240 static int nb_frames_dup = 0;
241 static int nb_frames_drop = 0;
242 static int input_sync;
243 static int limit_filesize = 0; //
245 static int pgmyuv_compatibility_hack=0;
246 static int dts_delta_threshold = 10;
248 const char **opt_names=NULL;
249 int opt_name_count=0;
250 AVCodecContext *avctx_opts;
253 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
255 struct AVInputStream;
257 typedef struct AVOutputStream {
258 int file_index; /* file index */
259 int index; /* stream index in the output file */
260 int source_index; /* AVInputStream index */
261 AVStream *st; /* stream in the output file */
262 int encoding_needed; /* true if encoding needed for this stream */
264 /* input pts and corresponding output pts
266 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
267 struct AVInputStream *sync_ist; /* input stream to sync against */
268 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
271 AVFrame pict_tmp; /* temporary image for resampling */
272 ImgReSampleContext *img_resample_ctx; /* for image resampling */
275 int topBand; /* cropping area sizes */
279 int padtop; /* padding area sizes */
286 ReSampleContext *resample; /* for audio resampling */
287 FifoBuffer fifo; /* for compression: one audio fifo per codec */
291 typedef struct AVInputStream {
295 int discard; /* true if stream data should be discarded */
296 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
297 int64_t sample_index; /* current sample */
299 int64_t start; /* time when read started */
300 unsigned long frame; /* current frame */
301 int64_t next_pts; /* synthetic pts for cases where pkt.pts
303 int64_t pts; /* current pts */
304 int is_start; /* is 1 at the start and after a discontinuity */
307 typedef struct AVInputFile {
308 int eof_reached; /* true if eof reached */
309 int ist_index; /* index of first stream in ist_table */
310 int buffer_size; /* current total buffer size */
311 int buffer_size_max; /* buffer size at which we consider we can stop
313 int nb_streams; /* nb streams we are aware of */
318 /* init terminal so that we can grab keys */
319 static struct termios oldtty;
321 static void term_exit(void)
323 tcsetattr (0, TCSANOW, &oldtty);
326 static volatile sig_atomic_t received_sigterm = 0;
329 sigterm_handler(int sig)
331 received_sigterm = sig;
335 static void term_init(void)
342 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
343 |INLCR|IGNCR|ICRNL|IXON);
344 tty.c_oflag |= OPOST;
345 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
346 tty.c_cflag &= ~(CSIZE|PARENB);
351 tcsetattr (0, TCSANOW, &tty);
353 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
354 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
355 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
357 register a function to be called at normal program termination
360 #ifdef CONFIG_BEOS_NETSERVER
361 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
365 /* read a key without blocking */
366 static int read_key(void)
370 #ifndef CONFIG_BEOS_NETSERVER
378 n = select(1, &rfds, NULL, NULL, &tv);
390 static int decode_interrupt_cb(void)
392 return q_pressed || (q_pressed = read_key() == 'q');
397 static volatile int received_sigterm = 0;
399 /* no interactive support */
400 static void term_exit(void)
404 static void term_init(void)
408 static int read_key(void)
415 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
420 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
423 /* copy stream format */
424 s->nb_streams = ic->nb_streams;
425 for(i=0;i<ic->nb_streams;i++) {
428 // FIXME: a more elegant solution is needed
429 st = av_mallocz(sizeof(AVStream));
430 memcpy(st, ic->streams[i], sizeof(AVStream));
431 st->codec = avcodec_alloc_context();
432 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
436 av_close_input_file(ic);
441 get_sync_ipts(const AVOutputStream *ost)
443 const AVInputStream *ist = ost->sync_ist;
444 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
447 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
449 static void do_audio_out(AVFormatContext *s,
452 unsigned char *buf, int size)
455 static uint8_t *audio_buf = NULL;
456 static uint8_t *audio_out = NULL;
457 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
459 int size_out, frame_bytes, ret;
460 AVCodecContext *enc= ost->st->codec;
462 /* SC: dynamic allocation of buffers */
464 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
466 audio_out = av_malloc(audio_out_size);
467 if (!audio_buf || !audio_out)
468 return; /* Should signal an error ! */
470 if(audio_sync_method){
471 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
472 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2);
473 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
474 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
476 //FIXME resample delay
477 if(fabs(delta) > 50){
480 byte_delta= FFMAX(byte_delta, -size);
484 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
489 static uint8_t *input_tmp= NULL;
490 input_tmp= av_realloc(input_tmp, byte_delta + size);
492 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
495 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
497 memset(input_tmp, 0, byte_delta);
498 memcpy(input_tmp + byte_delta, buf, size);
502 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
504 }else if(audio_sync_method>1){
505 int comp= clip(delta, -audio_sync_method, audio_sync_method);
506 assert(ost->audio_resample);
508 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
509 // 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));
510 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
514 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
515 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2); //FIXME wrong
517 if (ost->audio_resample) {
519 size_out = audio_resample(ost->resample,
520 (short *)buftmp, (short *)buf,
521 size / (ist->st->codec->channels * 2));
522 size_out = size_out * enc->channels * 2;
528 /* now encode as many frames as possible */
529 if (enc->frame_size > 1) {
530 /* output resampled raw samples */
531 fifo_write(&ost->fifo, buftmp, size_out,
534 frame_bytes = enc->frame_size * 2 * enc->channels;
536 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
537 &ost->fifo.rptr) == 0) {
539 av_init_packet(&pkt);
541 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
544 pkt.stream_index= ost->index;
547 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
548 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
549 pkt.flags |= PKT_FLAG_KEY;
550 av_interleaved_write_frame(s, &pkt);
552 ost->sync_opts += enc->frame_size;
556 av_init_packet(&pkt);
558 ost->sync_opts += size_out / (2 * enc->channels);
560 /* output a pcm frame */
561 /* XXX: change encoding codec API to avoid this ? */
562 switch(enc->codec->id) {
563 case CODEC_ID_PCM_S32LE:
564 case CODEC_ID_PCM_S32BE:
565 case CODEC_ID_PCM_U32LE:
566 case CODEC_ID_PCM_U32BE:
567 size_out = size_out << 1;
569 case CODEC_ID_PCM_S24LE:
570 case CODEC_ID_PCM_S24BE:
571 case CODEC_ID_PCM_U24LE:
572 case CODEC_ID_PCM_U24BE:
573 case CODEC_ID_PCM_S24DAUD:
574 size_out = size_out / 2 * 3;
576 case CODEC_ID_PCM_S16LE:
577 case CODEC_ID_PCM_S16BE:
578 case CODEC_ID_PCM_U16LE:
579 case CODEC_ID_PCM_U16BE:
582 size_out = size_out >> 1;
585 ret = avcodec_encode_audio(enc, audio_out, size_out,
588 pkt.stream_index= ost->index;
591 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
592 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
593 pkt.flags |= PKT_FLAG_KEY;
594 av_interleaved_write_frame(s, &pkt);
598 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
602 AVPicture picture_tmp;
605 dec = ist->st->codec;
607 /* deinterlace : must be done before any resize */
608 if (do_deinterlace || using_vhook) {
611 /* create temporary picture */
612 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
613 buf = av_malloc(size);
617 picture2 = &picture_tmp;
618 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
621 if(avpicture_deinterlace(picture2, picture,
622 dec->pix_fmt, dec->width, dec->height) < 0) {
623 /* if error, do not deinterlace */
629 img_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
635 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
637 if (picture != picture2)
638 *picture = *picture2;
642 /* we begin to correct av delay at this threshold */
643 #define AV_DELAY_MAX 0.100
645 static void do_subtitle_out(AVFormatContext *s,
651 static uint8_t *subtitle_out = NULL;
652 int subtitle_out_max_size = 65536;
653 int subtitle_out_size, nb, i;
657 if (pts == AV_NOPTS_VALUE) {
658 fprintf(stderr, "Subtitle packets must have a pts\n");
662 enc = ost->st->codec;
665 subtitle_out = av_malloc(subtitle_out_max_size);
668 /* Note: DVB subtitle need one packet to draw them and one other
669 packet to clear them */
670 /* XXX: signal it in the codec context ? */
671 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
676 for(i = 0; i < nb; i++) {
677 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
678 subtitle_out_max_size, sub);
680 av_init_packet(&pkt);
681 pkt.stream_index = ost->index;
682 pkt.data = subtitle_out;
683 pkt.size = subtitle_out_size;
684 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);
685 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
686 /* XXX: the pts correction is handled here. Maybe handling
687 it in the codec would be better */
689 pkt.pts += 90 * sub->start_display_time;
691 pkt.pts += 90 * sub->end_display_time;
693 av_interleaved_write_frame(s, &pkt);
697 static int bit_buffer_size= 1024*256;
698 static uint8_t *bit_buffer= NULL;
700 static void do_video_out(AVFormatContext *s,
706 int nb_frames, i, ret;
707 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
708 AVFrame picture_format_temp, picture_crop_temp, picture_pad_temp;
709 uint8_t *buf = NULL, *buf1 = NULL;
710 AVCodecContext *enc, *dec;
711 enum PixelFormat target_pixfmt;
713 avcodec_get_frame_defaults(&picture_format_temp);
714 avcodec_get_frame_defaults(&picture_crop_temp);
715 avcodec_get_frame_defaults(&picture_pad_temp);
717 enc = ost->st->codec;
718 dec = ist->st->codec;
720 /* by default, we output a single frame */
725 if(video_sync_method){
727 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
728 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
731 else if (vdelta > 1.1)
732 nb_frames = lrintf(vdelta);
733 //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);
737 fprintf(stderr, "*** drop!\n");
738 }else if (nb_frames > 1) {
739 nb_frames_dup += nb_frames;
741 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
744 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
746 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
750 /* convert pixel format if needed */
751 target_pixfmt = ost->video_resample ? PIX_FMT_YUV420P : enc->pix_fmt;
752 if (dec->pix_fmt != target_pixfmt) {
755 /* create temporary picture */
756 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
757 buf = av_malloc(size);
760 formatted_picture = &picture_format_temp;
761 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
763 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
764 (AVPicture *)in_picture, dec->pix_fmt,
765 dec->width, dec->height) < 0) {
768 fprintf(stderr, "pixel format conversion not handled\n");
773 formatted_picture = in_picture;
776 if (ost->video_crop) {
777 if (img_crop((AVPicture *)&picture_crop_temp, (AVPicture *)formatted_picture, target_pixfmt, ost->topBand, ost->leftBand) < 0) {
778 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
781 formatted_picture = &picture_crop_temp;
784 final_picture = formatted_picture;
785 padding_src = formatted_picture;
786 resampling_dst = &ost->pict_tmp;
787 if (ost->video_pad) {
788 final_picture = &ost->pict_tmp;
789 if (ost->video_resample) {
790 if (img_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, target_pixfmt, ost->padtop, ost->padleft) < 0) {
791 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
794 resampling_dst = &picture_pad_temp;
798 /* XXX: resampling could be done before raw format conversion in
799 some cases to go faster */
800 /* XXX: only works for YUV420P */
801 if (ost->video_resample) {
803 final_picture = &ost->pict_tmp;
804 img_resample(ost->img_resample_ctx, (AVPicture *)resampling_dst, (AVPicture*)formatted_picture);
807 if (enc->pix_fmt != target_pixfmt) {
811 /* create temporary picture */
812 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
813 buf = av_malloc(size);
816 final_picture = &picture_format_temp;
817 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
819 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
820 (AVPicture*)&ost->pict_tmp, target_pixfmt,
821 enc->width, enc->height) < 0) {
824 fprintf(stderr, "pixel format conversion not handled\n");
830 if (ost->video_pad) {
831 img_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
832 enc->height, enc->width, enc->pix_fmt,
833 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
836 /* duplicates frame if needed */
837 for(i=0;i<nb_frames;i++) {
839 av_init_packet(&pkt);
840 pkt.stream_index= ost->index;
842 if (s->oformat->flags & AVFMT_RAWPICTURE) {
843 /* raw pictures are written as AVPicture structure to
844 avoid any copies. We support temorarily the older
846 AVFrame* old_frame = enc->coded_frame;
847 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
848 pkt.data= (uint8_t *)final_picture;
849 pkt.size= sizeof(AVPicture);
850 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
851 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
852 if(dec->coded_frame && dec->coded_frame->key_frame)
853 pkt.flags |= PKT_FLAG_KEY;
855 av_interleaved_write_frame(s, &pkt);
856 enc->coded_frame = old_frame;
860 big_picture= *final_picture;
861 /* better than nothing: use input picture interlaced
863 big_picture.interlaced_frame = in_picture->interlaced_frame;
864 if(avctx_opts->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
865 if(top_field_first == -1)
866 big_picture.top_field_first = in_picture->top_field_first;
868 big_picture.top_field_first = top_field_first;
871 /* handles sameq here. This is not correct because it may
872 not be a global option */
874 big_picture.quality = ist->st->quality;
876 big_picture.quality = ost->st->quality;
878 big_picture.pict_type = 0;
879 // big_picture.pts = AV_NOPTS_VALUE;
880 big_picture.pts= ost->sync_opts;
881 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
882 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
883 ret = avcodec_encode_video(enc,
884 bit_buffer, bit_buffer_size,
886 //enc->frame_number = enc->real_pict_num;
888 pkt.data= bit_buffer;
890 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
891 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
892 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
893 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
894 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
896 if(enc->coded_frame && enc->coded_frame->key_frame)
897 pkt.flags |= PKT_FLAG_KEY;
898 av_interleaved_write_frame(s, &pkt);
900 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
901 // enc->frame_number-1, enc->real_pict_num, ret,
903 /* if two pass, output log */
904 if (ost->logfile && enc->stats_out) {
905 fprintf(ost->logfile, "%s", enc->stats_out);
917 static double psnr(double d){
918 if(d==0) return INFINITY;
919 return -10.0*log(d)/log(10.0);
922 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
925 static FILE *fvstats=NULL;
932 double ti1, bitrate, avg_bitrate;
936 today = localtime(&today2);
937 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
940 fvstats = fopen(filename,"w");
948 enc = ost->st->codec;
949 if (enc->codec_type == CODEC_TYPE_VIDEO) {
950 frame_number = ost->frame_number;
951 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
952 if (enc->flags&CODEC_FLAG_PSNR)
953 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
955 fprintf(fvstats,"f_size= %6d ", frame_size);
956 /* compute pts value */
957 ti1 = ost->sync_opts * av_q2d(enc->time_base);
961 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
962 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
963 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
964 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
965 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
969 static void print_report(AVFormatContext **output_files,
970 AVOutputStream **ost_table, int nb_ostreams,
975 AVFormatContext *oc, *os;
978 int frame_number, vid, i;
979 double bitrate, ti1, pts;
980 static int64_t last_time = -1;
981 static int qp_histogram[52];
983 if (!is_last_report) {
985 /* display the report every 0.5 seconds */
986 cur_time = av_gettime();
987 if (last_time == -1) {
988 last_time = cur_time;
991 if ((cur_time - last_time) < 500000)
993 last_time = cur_time;
997 oc = output_files[0];
999 total_size = url_ftell(&oc->pb);
1004 for(i=0;i<nb_ostreams;i++) {
1006 os = output_files[ost->file_index];
1007 enc = ost->st->codec;
1008 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1009 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1010 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1012 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1013 frame_number = ost->frame_number;
1014 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ",
1015 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1017 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1018 if(qp_hist && enc->coded_frame){
1020 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1021 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1024 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1026 if (enc->flags&CODEC_FLAG_PSNR){
1028 double error, error_sum=0;
1029 double scale, scale_sum=0;
1030 char type[3]= {'Y','U','V'};
1031 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1034 error= enc->error[j];
1035 scale= enc->width*enc->height*255.0*255.0*frame_number;
1037 error= enc->coded_frame->error[j];
1038 scale= enc->width*enc->height*255.0*255.0;
1043 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1045 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1049 /* compute min output value */
1050 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1051 if ((pts < ti1) && (pts > 0))
1057 if (verbose || is_last_report) {
1058 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1060 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1061 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1062 (double)total_size / 1024, ti1, bitrate);
1065 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1066 nb_frames_dup, nb_frames_drop);
1069 fprintf(stderr, "%s \r", buf);
1074 if (is_last_report && verbose >= 0){
1075 int64_t raw= audio_size + video_size + extra_size;
1076 fprintf(stderr, "\n");
1077 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1081 100.0*(total_size - raw)/raw
1086 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1087 static int output_packet(AVInputStream *ist, int ist_index,
1088 AVOutputStream **ost_table, int nb_ostreams,
1089 const AVPacket *pkt)
1091 AVFormatContext *os;
1092 AVOutputStream *ost;
1096 int data_size, got_picture;
1098 void *buffer_to_free;
1099 static unsigned int samples_size= 0;
1100 static short *samples= NULL;
1101 AVSubtitle subtitle, *subtitle_to_free;
1105 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1106 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1107 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1109 // assert(ist->pts == ist->next_pts);
1123 /* decode the packet if needed */
1124 data_buf = NULL; /* fail safe */
1126 subtitle_to_free = NULL;
1127 if (ist->decoding_needed) {
1128 switch(ist->st->codec->codec_type) {
1129 case CODEC_TYPE_AUDIO:{
1131 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1132 /* XXX: could avoid copy if PCM 16 bits with same
1133 endianness as CPU */
1134 ret = avcodec_decode_audio(ist->st->codec, samples, &data_size,
1140 /* Some bug in mpeg audio decoder gives */
1141 /* data_size < 0, it seems they are overflows */
1142 if (data_size <= 0) {
1143 /* no audio frame */
1146 data_buf = (uint8_t *)samples;
1147 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1148 (ist->st->codec->sample_rate * ist->st->codec->channels);
1150 case CODEC_TYPE_VIDEO:
1151 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1152 /* XXX: allocate picture correctly */
1153 avcodec_get_frame_defaults(&picture);
1155 ret = avcodec_decode_video(ist->st->codec,
1156 &picture, &got_picture, ptr, len);
1157 ist->st->quality= picture.quality;
1161 /* no picture yet */
1162 goto discard_packet;
1164 if (ist->st->codec->time_base.num != 0) {
1165 ist->next_pts += ((int64_t)AV_TIME_BASE *
1166 ist->st->codec->time_base.num) /
1167 ist->st->codec->time_base.den;
1171 case CODEC_TYPE_SUBTITLE:
1172 ret = avcodec_decode_subtitle(ist->st->codec,
1173 &subtitle, &got_subtitle, ptr, len);
1176 if (!got_subtitle) {
1177 goto discard_packet;
1179 subtitle_to_free = &subtitle;
1186 switch(ist->st->codec->codec_type) {
1187 case CODEC_TYPE_AUDIO:
1188 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1189 (ist->st->codec->sample_rate * ist->st->codec->channels);
1191 case CODEC_TYPE_VIDEO:
1192 if (ist->st->codec->time_base.num != 0) {
1193 ist->next_pts += ((int64_t)AV_TIME_BASE *
1194 ist->st->codec->time_base.num) /
1195 ist->st->codec->time_base.den;
1205 buffer_to_free = NULL;
1206 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1207 pre_process_video_frame(ist, (AVPicture *)&picture,
1211 // preprocess audio (volume)
1212 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1213 if (audio_volume != 256) {
1216 for(i=0;i<(data_size / sizeof(short));i++) {
1217 int v = ((*volp) * audio_volume + 128) >> 8;
1218 if (v < -32768) v = -32768;
1219 if (v > 32767) v = 32767;
1225 /* frame rate emulation */
1226 if (ist->st->codec->rate_emu) {
1227 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1228 int64_t now = av_gettime() - ist->start;
1236 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1237 is the one of the next displayed one */
1238 /* XXX: add mpeg4 too ? */
1239 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1240 if (ist->st->codec->pict_type != B_TYPE) {
1242 tmp = ist->last_ip_pts;
1243 ist->last_ip_pts = ist->frac_pts.val;
1244 ist->frac_pts.val = tmp;
1248 /* if output time reached then transcode raw format,
1249 encode packets and output them */
1250 if (start_time == 0 || ist->pts >= start_time)
1251 for(i=0;i<nb_ostreams;i++) {
1255 if (ost->source_index == ist_index) {
1256 os = output_files[ost->file_index];
1259 printf("%d: got pts=%0.3f %0.3f\n", i,
1260 (double)pkt->pts / AV_TIME_BASE,
1261 ((double)ist->pts / AV_TIME_BASE) -
1262 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1264 /* set the input output pts pairs */
1265 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1267 if (ost->encoding_needed) {
1268 switch(ost->st->codec->codec_type) {
1269 case CODEC_TYPE_AUDIO:
1270 do_audio_out(os, ost, ist, data_buf, data_size);
1272 case CODEC_TYPE_VIDEO:
1273 do_video_out(os, ost, ist, &picture, &frame_size);
1274 video_size += frame_size;
1275 if (do_vstats && frame_size)
1276 do_video_stats(os, ost, frame_size);
1278 case CODEC_TYPE_SUBTITLE:
1279 do_subtitle_out(os, ost, ist, &subtitle,
1286 AVFrame avframe; //FIXME/XXX remove this
1288 av_init_packet(&opkt);
1290 /* no reencoding needed : output the packet directly */
1291 /* force the input stream PTS */
1293 avcodec_get_frame_defaults(&avframe);
1294 ost->st->codec->coded_frame= &avframe;
1295 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1297 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1298 audio_size += data_size;
1299 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1300 video_size += data_size;
1304 opkt.stream_index= ost->index;
1305 if(pkt->pts != AV_NOPTS_VALUE)
1306 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);
1308 opkt.pts= AV_NOPTS_VALUE;
1312 if (pkt->dts == AV_NOPTS_VALUE)
1313 dts = ist->next_pts;
1315 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1316 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1318 opkt.flags= pkt->flags;
1319 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1320 opkt.destruct= av_destruct_packet;
1321 av_interleaved_write_frame(os, &opkt);
1322 ost->st->codec->frame_number++;
1323 ost->frame_number++;
1324 av_free_packet(&opkt);
1328 av_free(buffer_to_free);
1329 /* XXX: allocate the subtitles in the codec ? */
1330 if (subtitle_to_free) {
1331 if (subtitle_to_free->rects != NULL) {
1332 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1333 av_free(subtitle_to_free->rects[i].bitmap);
1334 av_free(subtitle_to_free->rects[i].rgba_palette);
1336 av_freep(&subtitle_to_free->rects);
1338 subtitle_to_free->num_rects = 0;
1339 subtitle_to_free = NULL;
1346 for(i=0;i<nb_ostreams;i++) {
1348 if (ost->source_index == ist_index) {
1349 AVCodecContext *enc= ost->st->codec;
1350 os = output_files[ost->file_index];
1352 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1354 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1357 if (ost->encoding_needed) {
1360 av_init_packet(&pkt);
1361 pkt.stream_index= ost->index;
1363 switch(ost->st->codec->codec_type) {
1364 case CODEC_TYPE_AUDIO:
1365 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1367 pkt.flags |= PKT_FLAG_KEY;
1369 case CODEC_TYPE_VIDEO:
1370 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1372 if(enc->coded_frame && enc->coded_frame->key_frame)
1373 pkt.flags |= PKT_FLAG_KEY;
1374 if (ost->logfile && enc->stats_out) {
1375 fprintf(ost->logfile, "%s", enc->stats_out);
1384 pkt.data= bit_buffer;
1386 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1387 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1388 av_interleaved_write_frame(os, &pkt);
1402 * The following code is the main loop of the file converter
1404 static int av_encode(AVFormatContext **output_files,
1405 int nb_output_files,
1406 AVFormatContext **input_files,
1408 AVStreamMap *stream_maps, int nb_stream_maps)
1410 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1411 AVFormatContext *is, *os;
1412 AVCodecContext *codec, *icodec;
1413 AVOutputStream *ost, **ost_table = NULL;
1414 AVInputStream *ist, **ist_table = NULL;
1415 AVInputFile *file_table;
1416 AVFormatContext *stream_no_data;
1419 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1423 /* input stream init */
1425 for(i=0;i<nb_input_files;i++) {
1426 is = input_files[i];
1427 file_table[i].ist_index = j;
1428 file_table[i].nb_streams = is->nb_streams;
1429 j += is->nb_streams;
1433 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1437 for(i=0;i<nb_istreams;i++) {
1438 ist = av_mallocz(sizeof(AVInputStream));
1444 for(i=0;i<nb_input_files;i++) {
1445 is = input_files[i];
1446 for(k=0;k<is->nb_streams;k++) {
1447 ist = ist_table[j++];
1448 ist->st = is->streams[k];
1449 ist->file_index = i;
1451 ist->discard = 1; /* the stream is discarded by default
1454 if (ist->st->codec->rate_emu) {
1455 ist->start = av_gettime();
1461 /* output stream init */
1463 for(i=0;i<nb_output_files;i++) {
1464 os = output_files[i];
1465 nb_ostreams += os->nb_streams;
1467 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1468 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1472 /* Sanity check the mapping args -- do the input files & streams exist? */
1473 for(i=0;i<nb_stream_maps;i++) {
1474 int fi = stream_maps[i].file_index;
1475 int si = stream_maps[i].stream_index;
1477 if (fi < 0 || fi > nb_input_files - 1 ||
1478 si < 0 || si > file_table[fi].nb_streams - 1) {
1479 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1482 fi = stream_maps[i].sync_file_index;
1483 si = stream_maps[i].sync_stream_index;
1484 if (fi < 0 || fi > nb_input_files - 1 ||
1485 si < 0 || si > file_table[fi].nb_streams - 1) {
1486 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1491 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1494 for(i=0;i<nb_ostreams;i++) {
1495 ost = av_mallocz(sizeof(AVOutputStream));
1502 for(k=0;k<nb_output_files;k++) {
1503 os = output_files[k];
1504 for(i=0;i<os->nb_streams;i++) {
1506 ost = ost_table[n++];
1507 ost->file_index = k;
1509 ost->st = os->streams[i];
1510 if (nb_stream_maps > 0) {
1511 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1512 stream_maps[n-1].stream_index;
1514 /* Sanity check that the stream types match */
1515 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1516 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1517 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1518 ost->file_index, ost->index);
1523 /* get corresponding input stream index : we select the first one with the right type */
1525 for(j=0;j<nb_istreams;j++) {
1528 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1529 ost->source_index = j;
1536 /* try again and reuse existing stream */
1537 for(j=0;j<nb_istreams;j++) {
1539 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1540 ost->source_index = j;
1545 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1546 ost->file_index, ost->index);
1551 ist = ist_table[ost->source_index];
1553 ost->sync_ist = (nb_stream_maps > 0) ?
1554 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1555 stream_maps[n-1].sync_stream_index] : ist;
1559 /* for each output stream, we compute the right encoding parameters */
1560 for(i=0;i<nb_ostreams;i++) {
1562 ist = ist_table[ost->source_index];
1564 codec = ost->st->codec;
1565 icodec = ist->st->codec;
1567 if (ost->st->stream_copy) {
1568 /* if stream_copy is selected, no need to decode or encode */
1569 codec->codec_id = icodec->codec_id;
1570 codec->codec_type = icodec->codec_type;
1571 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1572 codec->bit_rate = icodec->bit_rate;
1573 codec->extradata= icodec->extradata;
1574 codec->extradata_size= icodec->extradata_size;
1575 codec->time_base = icodec->time_base;
1576 switch(codec->codec_type) {
1577 case CODEC_TYPE_AUDIO:
1578 codec->sample_rate = icodec->sample_rate;
1579 codec->channels = icodec->channels;
1580 codec->frame_size = icodec->frame_size;
1581 codec->block_align= icodec->block_align;
1583 case CODEC_TYPE_VIDEO:
1584 codec->pix_fmt = icodec->pix_fmt;
1585 codec->width = icodec->width;
1586 codec->height = icodec->height;
1587 codec->has_b_frames = icodec->has_b_frames;
1589 case CODEC_TYPE_SUBTITLE:
1595 switch(codec->codec_type) {
1596 case CODEC_TYPE_AUDIO:
1597 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1600 if (codec->channels == icodec->channels &&
1601 codec->sample_rate == icodec->sample_rate) {
1602 ost->audio_resample = 0;
1604 if (codec->channels != icodec->channels &&
1605 (icodec->codec_id == CODEC_ID_AC3 ||
1606 icodec->codec_id == CODEC_ID_DTS)) {
1607 /* Special case for 5:1 AC3 and DTS input */
1608 /* and mono or stereo output */
1609 /* Request specific number of channels */
1610 icodec->channels = codec->channels;
1611 if (codec->sample_rate == icodec->sample_rate)
1612 ost->audio_resample = 0;
1614 ost->audio_resample = 1;
1617 ost->audio_resample = 1;
1620 if(audio_sync_method>1)
1621 ost->audio_resample = 1;
1623 if(ost->audio_resample){
1624 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1625 codec->sample_rate, icodec->sample_rate);
1627 printf("Can't resample. Aborting.\n");
1631 ist->decoding_needed = 1;
1632 ost->encoding_needed = 1;
1634 case CODEC_TYPE_VIDEO:
1635 if (codec->width == icodec->width &&
1636 codec->height == icodec->height &&
1637 frame_topBand == 0 &&
1638 frame_bottomBand == 0 &&
1639 frame_leftBand == 0 &&
1640 frame_rightBand == 0 &&
1641 frame_padtop == 0 &&
1642 frame_padbottom == 0 &&
1643 frame_padleft == 0 &&
1644 frame_padright == 0)
1646 ost->video_resample = 0;
1647 ost->video_crop = 0;
1649 } else if ((codec->width == icodec->width -
1650 (frame_leftBand + frame_rightBand)) &&
1651 (codec->height == icodec->height -
1652 (frame_topBand + frame_bottomBand)) &&
1653 (frame_rightBand + frame_leftBand + frame_topBand + frame_bottomBand)) {
1654 ost->video_resample = 0;
1655 ost->video_crop = 1;
1656 ost->topBand = frame_topBand;
1657 ost->leftBand = frame_leftBand;
1658 } else if ((codec->width == icodec->width +
1659 (frame_padleft + frame_padright)) &&
1660 (codec->height == icodec->height +
1661 (frame_padtop + frame_padbottom)) &&
1662 (frame_padright + frame_padleft + frame_padtop + frame_padbottom)) {
1663 ost->video_resample = 0;
1664 ost->video_crop = 0;
1666 ost->padtop = frame_padtop;
1667 ost->padleft = frame_padleft;
1668 ost->padbottom = frame_padbottom;
1669 ost->padright = frame_padright;
1670 avcodec_get_frame_defaults(&ost->pict_tmp);
1671 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1672 codec->width, codec->height ) )
1675 ost->video_resample = 1;
1676 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1677 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1678 avcodec_get_frame_defaults(&ost->pict_tmp);
1679 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1680 codec->width, codec->height ) )
1683 ost->img_resample_ctx = img_resample_init(
1684 codec->width - (frame_padleft + frame_padright),
1685 codec->height - (frame_padtop + frame_padbottom),
1686 icodec->width - (frame_leftBand + frame_rightBand),
1687 icodec->height - (frame_topBand + frame_bottomBand));
1689 ost->padtop = frame_padtop;
1690 ost->padleft = frame_padleft;
1691 ost->padbottom = frame_padbottom;
1692 ost->padright = frame_padright;
1693 ost->topBand = frame_topBand;
1694 ost->leftBand = frame_leftBand;
1696 ost->encoding_needed = 1;
1697 ist->decoding_needed = 1;
1699 case CODEC_TYPE_SUBTITLE:
1700 ost->encoding_needed = 1;
1701 ist->decoding_needed = 1;
1708 if (ost->encoding_needed &&
1709 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1710 char logfilename[1024];
1715 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1717 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1718 if (codec->flags & CODEC_FLAG_PASS1) {
1719 f = fopen(logfilename, "w");
1721 perror(logfilename);
1726 /* read the log file */
1727 f = fopen(logfilename, "r");
1729 perror(logfilename);
1732 fseek(f, 0, SEEK_END);
1734 fseek(f, 0, SEEK_SET);
1735 logbuffer = av_malloc(size + 1);
1737 fprintf(stderr, "Could not allocate log buffer\n");
1740 size = fread(logbuffer, 1, size, f);
1742 logbuffer[size] = '\0';
1743 codec->stats_in = logbuffer;
1747 if(codec->codec_type == CODEC_TYPE_VIDEO){
1748 int size= codec->width * codec->height;
1749 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1754 bit_buffer = av_malloc(bit_buffer_size);
1758 /* dump the file output parameters - cannot be done before in case
1760 for(i=0;i<nb_output_files;i++) {
1761 dump_format(output_files[i], i, output_files[i]->filename, 1);
1764 /* dump the stream mapping */
1766 fprintf(stderr, "Stream mapping:\n");
1767 for(i=0;i<nb_ostreams;i++) {
1769 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1770 ist_table[ost->source_index]->file_index,
1771 ist_table[ost->source_index]->index,
1774 if (ost->sync_ist != ist_table[ost->source_index])
1775 fprintf(stderr, " [sync #%d.%d]",
1776 ost->sync_ist->file_index,
1777 ost->sync_ist->index);
1778 fprintf(stderr, "\n");
1782 /* open each encoder */
1783 for(i=0;i<nb_ostreams;i++) {
1785 if (ost->encoding_needed) {
1787 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1789 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1790 ost->file_index, ost->index);
1793 if (avcodec_open(ost->st->codec, codec) < 0) {
1794 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1795 ost->file_index, ost->index);
1798 extra_size += ost->st->codec->extradata_size;
1802 /* open each decoder */
1803 for(i=0;i<nb_istreams;i++) {
1805 if (ist->decoding_needed) {
1807 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1809 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1810 ist->st->codec->codec_id, ist->file_index, ist->index);
1813 if (avcodec_open(ist->st->codec, codec) < 0) {
1814 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1815 ist->file_index, ist->index);
1818 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1819 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1824 for(i=0;i<nb_istreams;i++) {
1826 is = input_files[ist->file_index];
1828 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1829 if(ist->st->start_time == AV_NOPTS_VALUE)
1831 if(input_files_ts_offset[ist->file_index])
1832 ist->next_pts= AV_NOPTS_VALUE;
1836 /* compute buffer size max (should use a complete heuristic) */
1837 for(i=0;i<nb_input_files;i++) {
1838 file_table[i].buffer_size_max = 2048;
1841 /* set meta data information from input file if required */
1842 for (i=0;i<nb_meta_data_maps;i++) {
1843 AVFormatContext *out_file;
1844 AVFormatContext *in_file;
1846 int out_file_index = meta_data_maps[i].out_file;
1847 int in_file_index = meta_data_maps[i].in_file;
1848 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1849 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1853 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1854 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1859 out_file = output_files[out_file_index];
1860 in_file = input_files[in_file_index];
1862 strcpy(out_file->title, in_file->title);
1863 strcpy(out_file->author, in_file->author);
1864 strcpy(out_file->copyright, in_file->copyright);
1865 strcpy(out_file->comment, in_file->comment);
1866 strcpy(out_file->album, in_file->album);
1867 out_file->year = in_file->year;
1868 out_file->track = in_file->track;
1869 strcpy(out_file->genre, in_file->genre);
1872 /* open files and write file headers */
1873 for(i=0;i<nb_output_files;i++) {
1874 os = output_files[i];
1875 if (av_write_header(os) < 0) {
1876 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1882 #ifndef CONFIG_WIN32
1883 if ( !using_stdin && verbose >= 0) {
1884 fprintf(stderr, "Press [q] to stop encoding\n");
1885 url_set_interrupt_cb(decode_interrupt_cb);
1893 for(; received_sigterm == 0;) {
1894 int file_index, ist_index;
1902 /* if 'q' pressed, exits */
1906 /* read_key() returns 0 on EOF */
1912 /* select the stream that we must read now by looking at the
1913 smallest output pts */
1915 for(i=0;i<nb_ostreams;i++) {
1918 os = output_files[ost->file_index];
1919 ist = ist_table[ost->source_index];
1920 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1921 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1923 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1924 ipts = (double)ist->pts;
1925 if (!file_table[ist->file_index].eof_reached){
1926 if(ipts < ipts_min) {
1928 if(input_sync ) file_index = ist->file_index;
1930 if(opts < opts_min) {
1932 if(!input_sync) file_index = ist->file_index;
1935 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1940 /* if none, if is finished */
1941 if (file_index < 0) {
1945 /* finish if recording time exhausted */
1946 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1949 /* finish if limit size exhausted */
1950 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
1953 /* read a frame from it and output it in the fifo */
1954 is = input_files[file_index];
1955 if (av_read_frame(is, &pkt) < 0) {
1956 file_table[file_index].eof_reached = 1;
1957 if (opt_shortest) break; else continue; //
1961 stream_no_data = is;
1966 av_pkt_dump(stdout, &pkt, do_hex_dump);
1968 /* the following test is needed in case new streams appear
1969 dynamically in stream : we ignore them */
1970 if (pkt.stream_index >= file_table[file_index].nb_streams)
1971 goto discard_packet;
1972 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1973 ist = ist_table[ist_index];
1975 goto discard_packet;
1977 // 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);
1978 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1979 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1980 if(ABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1981 input_files_ts_offset[ist->file_index]-= delta;
1983 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1984 for(i=0; i<file_table[file_index].nb_streams; i++){
1985 int index= file_table[file_index].ist_index + i;
1986 ist_table[index]->next_pts += delta;
1987 ist_table[index]->is_start=1;
1992 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1993 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1996 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1997 ist->file_index, ist->index);
1999 av_free_packet(&pkt);
2004 av_free_packet(&pkt);
2006 /* dump report by using the output first video and audio streams */
2007 print_report(output_files, ost_table, nb_ostreams, 0);
2010 /* at the end of stream, we must flush the decoder buffers */
2011 for(i=0;i<nb_istreams;i++) {
2013 if (ist->decoding_needed) {
2014 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2020 /* write the trailer if needed and close file */
2021 for(i=0;i<nb_output_files;i++) {
2022 os = output_files[i];
2023 av_write_trailer(os);
2026 /* dump report by using the first video and audio streams */
2027 print_report(output_files, ost_table, nb_ostreams, 1);
2029 /* close each encoder */
2030 for(i=0;i<nb_ostreams;i++) {
2032 if (ost->encoding_needed) {
2033 av_freep(&ost->st->codec->stats_in);
2034 avcodec_close(ost->st->codec);
2038 /* close each decoder */
2039 for(i=0;i<nb_istreams;i++) {
2041 if (ist->decoding_needed) {
2042 avcodec_close(ist->st->codec);
2050 av_freep(&bit_buffer);
2051 av_free(file_table);
2054 for(i=0;i<nb_istreams;i++) {
2061 for(i=0;i<nb_ostreams;i++) {
2065 fclose(ost->logfile);
2066 ost->logfile = NULL;
2068 fifo_free(&ost->fifo); /* works even if fifo is not
2069 initialized but set to zero */
2070 av_free(ost->pict_tmp.data[0]);
2071 if (ost->video_resample)
2072 img_resample_close(ost->img_resample_ctx);
2073 if (ost->audio_resample)
2074 audio_resample_close(ost->resample);
2087 int file_read(const char *filename)
2090 unsigned char buffer[1024];
2093 if (url_open(&h, filename, O_RDONLY) < 0) {
2094 printf("could not open '%s'\n", filename);
2098 len = url_read(h, buffer, sizeof(buffer));
2101 for(i=0;i<len;i++) putchar(buffer[i]);
2108 static void opt_image_format(const char *arg)
2112 for(f = first_image_format; f != NULL; f = f->next) {
2113 if (!strcmp(arg, f->name))
2117 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2123 static void opt_format(const char *arg)
2125 /* compatibility stuff for pgmyuv */
2126 if (!strcmp(arg, "pgmyuv")) {
2127 pgmyuv_compatibility_hack=1;
2128 // opt_image_format(arg);
2132 file_iformat = av_find_input_format(arg);
2133 file_oformat = guess_format(arg, NULL, NULL);
2134 if (!file_iformat && !file_oformat) {
2135 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2140 static void opt_video_bitrate(const char *arg)
2142 video_bit_rate = atoi(arg) * 1000;
2145 static void opt_video_bitrate_tolerance(const char *arg)
2147 video_bit_rate_tolerance = atoi(arg) * 1000;
2150 static void opt_video_bitrate_max(const char *arg)
2152 video_rc_max_rate = atoi(arg) * 1000;
2155 static void opt_video_bitrate_min(const char *arg)
2157 video_rc_min_rate = atoi(arg) * 1000;
2160 static void opt_video_buffer_size(const char *arg)
2162 video_rc_buffer_size = atoi(arg) * 8*1024;
2165 static void opt_video_rc_eq(char *arg)
2170 static void opt_video_rc_override_string(char *arg)
2172 video_rc_override_string = arg;
2176 static void opt_workaround_bugs(const char *arg)
2178 workaround_bugs = atoi(arg);
2181 static void opt_me_threshold(const char *arg)
2183 me_threshold = atoi(arg);
2186 static void opt_mb_threshold(const char *arg)
2188 mb_threshold = atoi(arg);
2191 static void opt_verbose(const char *arg)
2193 verbose = atoi(arg);
2194 av_log_set_level(atoi(arg));
2197 static void opt_frame_rate(const char *arg)
2199 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2200 fprintf(stderr, "Incorrect frame rate\n");
2205 static void opt_frame_crop_top(const char *arg)
2207 frame_topBand = atoi(arg);
2208 if (frame_topBand < 0) {
2209 fprintf(stderr, "Incorrect top crop size\n");
2212 if ((frame_topBand % 2) != 0) {
2213 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2216 if ((frame_topBand) >= frame_height){
2217 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2220 frame_height -= frame_topBand;
2223 static void opt_frame_crop_bottom(const char *arg)
2225 frame_bottomBand = atoi(arg);
2226 if (frame_bottomBand < 0) {
2227 fprintf(stderr, "Incorrect bottom crop size\n");
2230 if ((frame_bottomBand % 2) != 0) {
2231 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2234 if ((frame_bottomBand) >= frame_height){
2235 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2238 frame_height -= frame_bottomBand;
2241 static void opt_frame_crop_left(const char *arg)
2243 frame_leftBand = atoi(arg);
2244 if (frame_leftBand < 0) {
2245 fprintf(stderr, "Incorrect left crop size\n");
2248 if ((frame_leftBand % 2) != 0) {
2249 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2252 if ((frame_leftBand) >= frame_width){
2253 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2256 frame_width -= frame_leftBand;
2259 static void opt_frame_crop_right(const char *arg)
2261 frame_rightBand = atoi(arg);
2262 if (frame_rightBand < 0) {
2263 fprintf(stderr, "Incorrect right crop size\n");
2266 if ((frame_rightBand % 2) != 0) {
2267 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2270 if ((frame_rightBand) >= frame_width){
2271 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2274 frame_width -= frame_rightBand;
2277 static void opt_frame_size(const char *arg)
2279 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2280 fprintf(stderr, "Incorrect frame size\n");
2283 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2284 fprintf(stderr, "Frame size must be a multiple of 2\n");
2290 #define SCALEBITS 10
2291 #define ONE_HALF (1 << (SCALEBITS - 1))
2292 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2294 #define RGB_TO_Y(r, g, b) \
2295 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2296 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2298 #define RGB_TO_U(r1, g1, b1, shift)\
2299 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2300 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2302 #define RGB_TO_V(r1, g1, b1, shift)\
2303 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2304 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2306 static void opt_pad_color(const char *arg) {
2307 /* Input is expected to be six hex digits similar to
2308 how colors are expressed in html tags (but without the #) */
2309 int rgb = strtol(arg, NULL, 16);
2313 g = ((rgb >> 8) & 255);
2316 padcolor[0] = RGB_TO_Y(r,g,b);
2317 padcolor[1] = RGB_TO_U(r,g,b,0);
2318 padcolor[2] = RGB_TO_V(r,g,b,0);
2321 static void opt_frame_pad_top(const char *arg)
2323 frame_padtop = atoi(arg);
2324 if (frame_padtop < 0) {
2325 fprintf(stderr, "Incorrect top pad size\n");
2328 if ((frame_padtop % 2) != 0) {
2329 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2334 static void opt_frame_pad_bottom(const char *arg)
2336 frame_padbottom = atoi(arg);
2337 if (frame_padbottom < 0) {
2338 fprintf(stderr, "Incorrect bottom pad size\n");
2341 if ((frame_padbottom % 2) != 0) {
2342 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2348 static void opt_frame_pad_left(const char *arg)
2350 frame_padleft = atoi(arg);
2351 if (frame_padleft < 0) {
2352 fprintf(stderr, "Incorrect left pad size\n");
2355 if ((frame_padleft % 2) != 0) {
2356 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2362 static void opt_frame_pad_right(const char *arg)
2364 frame_padright = atoi(arg);
2365 if (frame_padright < 0) {
2366 fprintf(stderr, "Incorrect right pad size\n");
2369 if ((frame_padright % 2) != 0) {
2370 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2376 static void opt_frame_pix_fmt(const char *arg)
2378 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2381 static void opt_frame_aspect_ratio(const char *arg)
2387 p = strchr(arg, ':');
2389 x = strtol(arg, (char **)&arg, 10);
2391 y = strtol(arg+1, (char **)&arg, 10);
2393 ar = (double)x / (double)y;
2395 ar = strtod(arg, (char **)&arg);
2398 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2401 frame_aspect_ratio = ar;
2404 static void opt_gop_size(const char *arg)
2406 gop_size = atoi(arg);
2409 static void opt_b_frames(const char *arg)
2411 b_frames = atoi(arg);
2412 if (b_frames > FF_MAX_B_FRAMES) {
2413 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2415 } else if (b_frames < 1) {
2416 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2421 static void opt_pre_me(const char *arg)
2426 static void opt_qscale(const char *arg)
2428 video_qscale = atof(arg);
2429 if (video_qscale < 0.01 ||
2430 video_qscale > 255) {
2431 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2436 static void opt_qsquish(const char *arg)
2438 video_qsquish = atof(arg);
2439 if (video_qsquish < 0.0 ||
2440 video_qsquish > 99.0) {
2441 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2446 static void opt_lmax(const char *arg)
2448 video_lmax = atof(arg)*FF_QP2LAMBDA;
2451 static void opt_lmin(const char *arg)
2453 video_lmin = atof(arg)*FF_QP2LAMBDA;
2456 static void opt_qmin(const char *arg)
2458 video_qmin = atoi(arg);
2459 if (video_qmin < 1 ||
2461 fprintf(stderr, "qmin must be >= 1 and <= 51\n");
2466 static void opt_qmax(const char *arg)
2468 video_qmax = atoi(arg);
2469 if (video_qmax < 1 ||
2471 fprintf(stderr, "qmax must be >= 1 and <= 51\n");
2476 static void opt_mb_lmin(const char *arg)
2478 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2479 if (video_mb_lmin < 1 ||
2480 video_mb_lmin > FF_LAMBDA_MAX) {
2481 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2486 static void opt_mb_lmax(const char *arg)
2488 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2489 if (video_mb_lmax < 1 ||
2490 video_mb_lmax > FF_LAMBDA_MAX) {
2491 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2496 static void opt_qdiff(const char *arg)
2498 video_qdiff = atoi(arg);
2499 if (video_qdiff < 0 ||
2501 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2506 static void opt_qblur(const char *arg)
2508 video_qblur = atof(arg);
2511 static void opt_qcomp(const char *arg)
2513 video_qcomp = atof(arg);
2516 static void opt_rc_initial_cplx(const char *arg)
2518 video_rc_initial_cplx = atof(arg);
2520 static void opt_b_qfactor(const char *arg)
2522 video_b_qfactor = atof(arg);
2524 static void opt_i_qfactor(const char *arg)
2526 video_i_qfactor = atof(arg);
2528 static void opt_b_qoffset(const char *arg)
2530 video_b_qoffset = atof(arg);
2532 static void opt_i_qoffset(const char *arg)
2534 video_i_qoffset = atof(arg);
2537 static void opt_ibias(const char *arg)
2539 video_intra_quant_bias = atoi(arg);
2541 static void opt_pbias(const char *arg)
2543 video_inter_quant_bias = atoi(arg);
2546 static void opt_packet_size(const char *arg)
2548 packet_size= atoi(arg);
2551 static void opt_error_rate(const char *arg)
2553 error_rate= atoi(arg);
2556 static void opt_strict(const char *arg)
2561 static void opt_top_field_first(const char *arg)
2563 top_field_first= atoi(arg);
2566 static void opt_sc_threshold(const char *arg)
2568 sc_threshold= atoi(arg);
2571 static void opt_me_range(const char *arg)
2573 me_range = atoi(arg);
2576 static void opt_thread_count(const char *arg)
2578 thread_count= atoi(arg);
2579 #if !defined(HAVE_THREADS)
2581 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2585 static void opt_audio_bitrate(const char *arg)
2587 audio_bit_rate = atoi(arg) * 1000;
2590 static void opt_audio_rate(const char *arg)
2592 audio_sample_rate = atoi(arg);
2595 static void opt_audio_channels(const char *arg)
2597 audio_channels = atoi(arg);
2600 static void opt_video_device(const char *arg)
2602 video_device = av_strdup(arg);
2605 static void opt_grab_device(const char *arg)
2607 grab_device = av_strdup(arg);
2610 static void opt_video_channel(const char *arg)
2612 video_channel = strtol(arg, NULL, 0);
2615 static void opt_video_standard(const char *arg)
2617 video_standard = av_strdup(arg);
2620 static void opt_audio_device(const char *arg)
2622 audio_device = av_strdup(arg);
2625 static void opt_codec(int *pstream_copy, int *pcodec_id,
2626 int codec_type, const char *arg)
2630 if (!strcmp(arg, "copy")) {
2635 if (!strcmp(p->name, arg) && p->type == codec_type)
2640 fprintf(stderr, "Unknown codec '%s'\n", arg);
2648 static void opt_audio_codec(const char *arg)
2650 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2653 static void opt_audio_tag(const char *arg)
2656 audio_codec_tag= strtol(arg, &tail, 0);
2659 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2662 static void opt_video_tag(const char *arg)
2665 video_codec_tag= strtol(arg, &tail, 0);
2668 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2671 static void add_frame_hooker(const char *arg)
2676 char *args = av_strdup(arg);
2680 argv[0] = strtok(args, " ");
2681 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2684 i = frame_hook_add(argc, argv);
2687 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2692 const char *motion_str[] = {
2705 static void opt_motion_estimation(const char *arg)
2711 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2714 if (!strcmp(*p, arg))
2718 me_method = (p - motion_str) + 1;
2721 static void opt_video_codec(const char *arg)
2723 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2726 static void opt_subtitle_codec(const char *arg)
2728 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2731 static void opt_map(const char *arg)
2737 m = &stream_maps[nb_stream_maps++];
2739 m->file_index = strtol(arg, (char **)&p, 0);
2743 m->stream_index = strtol(p, (char **)&p, 0);
2746 m->sync_file_index = strtol(p, (char **)&p, 0);
2749 m->sync_stream_index = strtol(p, (char **)&p, 0);
2751 m->sync_file_index = m->file_index;
2752 m->sync_stream_index = m->stream_index;
2756 static void opt_map_meta_data(const char *arg)
2762 m = &meta_data_maps[nb_meta_data_maps++];
2764 m->out_file = strtol(arg, (char **)&p, 0);
2768 m->in_file = strtol(p, (char **)&p, 0);
2771 static void opt_recording_time(const char *arg)
2773 recording_time = parse_date(arg, 1);
2776 static void opt_start_time(const char *arg)
2778 start_time = parse_date(arg, 1);
2781 static void opt_rec_timestamp(const char *arg)
2783 rec_timestamp = parse_date(arg, 0) / 1000000;
2786 static void opt_input_ts_offset(const char *arg)
2788 input_ts_offset = parse_date(arg, 1);
2791 static void opt_input_file(const char *filename)
2793 AVFormatContext *ic;
2794 AVFormatParameters params, *ap = ¶ms;
2795 int err, i, ret, rfps, rfps_base;
2798 if (!strcmp(filename, "-"))
2801 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2802 !strcmp( filename, "/dev/stdin" );
2804 /* get default parameters from command line */
2805 memset(ap, 0, sizeof(*ap));
2806 ap->sample_rate = audio_sample_rate;
2807 ap->channels = audio_channels;
2808 ap->time_base.den = frame_rate;
2809 ap->time_base.num = frame_rate_base;
2810 ap->width = frame_width + frame_padleft + frame_padright;
2811 ap->height = frame_height + frame_padtop + frame_padbottom;
2812 ap->image_format = image_format;
2813 ap->pix_fmt = frame_pix_fmt;
2814 ap->device = grab_device;
2815 ap->channel = video_channel;
2816 ap->standard = video_standard;
2817 ap->video_codec_id = video_codec_id;
2818 ap->audio_codec_id = audio_codec_id;
2819 if(pgmyuv_compatibility_hack)
2820 ap->video_codec_id= CODEC_ID_PGMYUV;
2822 /* open the input file with generic libav function */
2823 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2825 print_error(filename, err);
2830 ic->flags|= AVFMT_FLAG_GENPTS;
2832 /* If not enough info to get the stream parameters, we decode the
2833 first frames to get it. (used in mpeg case for example) */
2834 ret = av_find_stream_info(ic);
2835 if (ret < 0 && verbose >= 0) {
2836 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2840 timestamp = start_time;
2841 /* add the stream start time */
2842 if (ic->start_time != AV_NOPTS_VALUE)
2843 timestamp += ic->start_time;
2845 /* if seeking requested, we execute it */
2846 if (start_time != 0) {
2847 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2849 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2850 filename, (double)timestamp / AV_TIME_BASE);
2852 /* reset seek info */
2856 /* update the current parameters so that they match the one of the input stream */
2857 for(i=0;i<ic->nb_streams;i++) {
2859 AVCodecContext *enc = ic->streams[i]->codec;
2860 #if defined(HAVE_THREADS)
2862 avcodec_thread_init(enc, thread_count);
2864 enc->thread_count= thread_count;
2865 switch(enc->codec_type) {
2866 case CODEC_TYPE_AUDIO:
2867 for(j=0; j<opt_name_count; j++){
2869 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2870 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2871 av_set_double(enc, opt_names[j], d);
2873 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2874 audio_channels = enc->channels;
2875 audio_sample_rate = enc->sample_rate;
2877 ic->streams[i]->discard= AVDISCARD_ALL;
2879 case CODEC_TYPE_VIDEO:
2880 for(j=0; j<opt_name_count; j++){
2882 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2883 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2884 av_set_double(enc, opt_names[j], d);
2886 frame_height = enc->height;
2887 frame_width = enc->width;
2888 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2889 frame_pix_fmt = enc->pix_fmt;
2890 rfps = ic->streams[i]->r_frame_rate.num;
2891 rfps_base = ic->streams[i]->r_frame_rate.den;
2892 enc->workaround_bugs = workaround_bugs;
2893 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2895 enc->debug |= FF_DEBUG_MV;
2897 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2900 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2901 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2903 (float)rfps / rfps_base, rfps, rfps_base);
2905 /* update the current frame rate to match the stream frame rate */
2907 frame_rate_base = rfps_base;
2909 enc->rate_emu = rate_emu;
2911 ic->streams[i]->discard= AVDISCARD_ALL;
2912 else if(video_discard)
2913 ic->streams[i]->discard= video_discard;
2915 case CODEC_TYPE_DATA:
2917 case CODEC_TYPE_SUBTITLE:
2919 case CODEC_TYPE_UNKNOWN:
2926 input_files[nb_input_files] = ic;
2927 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2928 /* dump the file content */
2930 dump_format(ic, nb_input_files, filename, 0);
2933 file_iformat = NULL;
2934 file_oformat = NULL;
2935 image_format = NULL;
2943 static void opt_grab(const char *arg)
2945 file_iformat = av_find_input_format(arg);
2949 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2951 int has_video, has_audio, i, j;
2952 AVFormatContext *ic;
2956 for(j=0;j<nb_input_files;j++) {
2957 ic = input_files[j];
2958 for(i=0;i<ic->nb_streams;i++) {
2959 AVCodecContext *enc = ic->streams[i]->codec;
2960 switch(enc->codec_type) {
2961 case CODEC_TYPE_AUDIO:
2964 case CODEC_TYPE_VIDEO:
2967 case CODEC_TYPE_DATA:
2968 case CODEC_TYPE_UNKNOWN:
2969 case CODEC_TYPE_SUBTITLE:
2976 *has_video_ptr = has_video;
2977 *has_audio_ptr = has_audio;
2980 static void new_video_stream(AVFormatContext *oc)
2983 AVCodecContext *video_enc;
2986 st = av_new_stream(oc, oc->nb_streams);
2988 fprintf(stderr, "Could not alloc stream\n");
2991 #if defined(HAVE_THREADS)
2993 avcodec_thread_init(st->codec, thread_count);
2996 video_enc = st->codec;
2999 video_enc->codec_tag= video_codec_tag;
3001 if( (video_global_header&1)
3002 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3003 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3004 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3006 if(video_global_header&2){
3007 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3008 avctx_opts->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3011 if (video_stream_copy) {
3012 st->stream_copy = 1;
3013 video_enc->codec_type = CODEC_TYPE_VIDEO;
3019 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3020 if (video_codec_id != CODEC_ID_NONE)
3021 codec_id = video_codec_id;
3023 video_enc->codec_id = codec_id;
3024 codec = avcodec_find_encoder(codec_id);
3026 for(i=0; i<opt_name_count; i++){
3028 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3029 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3030 av_set_double(video_enc, opt_names[i], d);
3033 video_enc->bit_rate = video_bit_rate;
3034 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3035 video_enc->time_base.den = frame_rate;
3036 video_enc->time_base.num = frame_rate_base;
3037 if(codec && codec->supported_framerates){
3038 const AVRational *p= codec->supported_framerates;
3039 AVRational req= (AVRational){frame_rate, frame_rate_base};
3040 const AVRational *best=NULL;
3041 AVRational best_error= (AVRational){INT_MAX, 1};
3042 for(; p->den!=0; p++){
3043 AVRational error= av_sub_q(req, *p);
3044 if(error.num <0) error.num *= -1;
3045 if(av_cmp_q(error, best_error) < 0){
3050 video_enc->time_base.den= best->num;
3051 video_enc->time_base.num= best->den;
3054 video_enc->width = frame_width + frame_padright + frame_padleft;
3055 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3056 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3057 video_enc->pix_fmt = frame_pix_fmt;
3059 if(codec && codec->pix_fmts){
3060 const enum PixelFormat *p= codec->pix_fmts;
3062 if(*p == video_enc->pix_fmt)
3066 video_enc->pix_fmt = codec->pix_fmts[0];
3070 video_enc->gop_size = gop_size;
3072 video_enc->gop_size = 0;
3073 if (video_qscale || same_quality) {
3074 video_enc->flags |= CODEC_FLAG_QSCALE;
3075 video_enc->global_quality=
3076 st->quality = FF_QP2LAMBDA * video_qscale;
3080 video_enc->intra_matrix = intra_matrix;
3082 video_enc->inter_matrix = inter_matrix;
3084 video_enc->pre_me = pre_me;
3087 video_enc->max_b_frames = b_frames;
3088 video_enc->b_quant_factor = 2.0;
3090 video_enc->qmin = video_qmin;
3091 video_enc->qmax = video_qmax;
3092 video_enc->lmin = video_lmin;
3093 video_enc->lmax = video_lmax;
3094 video_enc->rc_qsquish = video_qsquish;
3095 video_enc->mb_lmin = video_mb_lmin;
3096 video_enc->mb_lmax = video_mb_lmax;
3097 video_enc->max_qdiff = video_qdiff;
3098 video_enc->qblur = video_qblur;
3099 video_enc->qcompress = video_qcomp;
3100 video_enc->rc_eq = video_rc_eq;
3101 video_enc->workaround_bugs = workaround_bugs;
3102 video_enc->thread_count = thread_count;
3103 p= video_rc_override_string;
3106 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3108 fprintf(stderr, "error parsing rc_override\n");
3111 video_enc->rc_override=
3112 av_realloc(video_enc->rc_override,
3113 sizeof(RcOverride)*(i+1));
3114 video_enc->rc_override[i].start_frame= start;
3115 video_enc->rc_override[i].end_frame = end;
3117 video_enc->rc_override[i].qscale= q;
3118 video_enc->rc_override[i].quality_factor= 1.0;
3121 video_enc->rc_override[i].qscale= 0;
3122 video_enc->rc_override[i].quality_factor= -q/100.0;
3127 video_enc->rc_override_count=i;
3129 video_enc->rc_max_rate = video_rc_max_rate;
3130 video_enc->rc_min_rate = video_rc_min_rate;
3131 video_enc->rc_buffer_size = video_rc_buffer_size;
3132 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3133 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3134 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3135 video_enc->i_quant_factor = video_i_qfactor;
3136 video_enc->b_quant_factor = video_b_qfactor;
3137 video_enc->i_quant_offset = video_i_qoffset;
3138 video_enc->b_quant_offset = video_b_qoffset;
3139 video_enc->intra_quant_bias = video_intra_quant_bias;
3140 video_enc->inter_quant_bias = video_inter_quant_bias;
3141 video_enc->me_threshold= me_threshold;
3142 video_enc->mb_threshold= mb_threshold;
3143 video_enc->intra_dc_precision= intra_dc_precision - 8;
3144 video_enc->strict_std_compliance = strict;
3145 video_enc->error_rate = error_rate;
3146 video_enc->scenechange_threshold= sc_threshold;
3147 video_enc->me_range = me_range;
3148 video_enc->me_penalty_compensation= me_penalty_compensation;
3149 video_enc->frame_skip_threshold= frame_skip_threshold;
3150 video_enc->frame_skip_factor= frame_skip_factor;
3151 video_enc->frame_skip_exp= frame_skip_exp;
3154 video_enc->rtp_mode= 1;
3155 video_enc->rtp_payload_size= packet_size;
3159 video_enc->flags|= CODEC_FLAG_PSNR;
3161 video_enc->me_method = me_method;
3166 video_enc->flags |= CODEC_FLAG_PASS1;
3168 video_enc->flags |= CODEC_FLAG_PASS2;
3173 /* reset some key parameters */
3175 video_codec_id = CODEC_ID_NONE;
3176 video_stream_copy = 0;
3179 static void new_audio_stream(AVFormatContext *oc)
3182 AVCodecContext *audio_enc;
3185 st = av_new_stream(oc, oc->nb_streams);
3187 fprintf(stderr, "Could not alloc stream\n");
3190 #if defined(HAVE_THREADS)
3192 avcodec_thread_init(st->codec, thread_count);
3195 audio_enc = st->codec;
3196 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3199 audio_enc->codec_tag= audio_codec_tag;
3201 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3202 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3203 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3205 if (audio_stream_copy) {
3206 st->stream_copy = 1;
3207 audio_enc->channels = audio_channels;
3209 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3211 for(i=0; i<opt_name_count; i++){
3213 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3214 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3215 av_set_double(audio_enc, opt_names[i], d);
3218 if (audio_codec_id != CODEC_ID_NONE)
3219 codec_id = audio_codec_id;
3220 audio_enc->codec_id = codec_id;
3222 audio_enc->bit_rate = audio_bit_rate;
3223 if (audio_qscale > QSCALE_NONE) {
3224 audio_enc->flags |= CODEC_FLAG_QSCALE;
3225 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3227 audio_enc->strict_std_compliance = strict;
3228 audio_enc->thread_count = thread_count;
3229 /* For audio codecs other than AC3 or DTS we limit */
3230 /* the number of coded channels to stereo */
3231 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3232 && codec_id != CODEC_ID_DTS) {
3233 audio_enc->channels = 2;
3235 audio_enc->channels = audio_channels;
3237 audio_enc->sample_rate = audio_sample_rate;
3238 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3239 if (audio_language) {
3240 pstrcpy(st->language, sizeof(st->language), audio_language);
3241 av_free(audio_language);
3242 audio_language = NULL;
3245 /* reset some key parameters */
3247 audio_codec_id = CODEC_ID_NONE;
3248 audio_stream_copy = 0;
3251 static void opt_new_subtitle_stream(void)
3253 AVFormatContext *oc;
3255 AVCodecContext *subtitle_enc;
3258 if (nb_output_files <= 0) {
3259 fprintf(stderr, "At least one output file must be specified\n");
3262 oc = output_files[nb_output_files - 1];
3264 st = av_new_stream(oc, oc->nb_streams);
3266 fprintf(stderr, "Could not alloc stream\n");
3270 subtitle_enc = st->codec;
3271 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3272 if (subtitle_stream_copy) {
3273 st->stream_copy = 1;
3275 for(i=0; i<opt_name_count; i++){
3277 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3278 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3279 av_set_double(subtitle_enc, opt_names[i], d);
3281 subtitle_enc->codec_id = subtitle_codec_id;
3284 if (subtitle_language) {
3285 pstrcpy(st->language, sizeof(st->language), subtitle_language);
3286 av_free(subtitle_language);
3287 subtitle_language = NULL;
3290 subtitle_codec_id = CODEC_ID_NONE;
3291 subtitle_stream_copy = 0;
3294 static void opt_new_audio_stream(void)
3296 AVFormatContext *oc;
3297 if (nb_output_files <= 0) {
3298 fprintf(stderr, "At least one output file must be specified\n");
3301 oc = output_files[nb_output_files - 1];
3302 new_audio_stream(oc);
3305 static void opt_new_video_stream(void)
3307 AVFormatContext *oc;
3308 if (nb_output_files <= 0) {
3309 fprintf(stderr, "At least one output file must be specified\n");
3312 oc = output_files[nb_output_files - 1];
3313 new_video_stream(oc);
3316 static void opt_output_file(const char *filename)
3318 AVFormatContext *oc;
3319 int use_video, use_audio, input_has_video, input_has_audio;
3320 AVFormatParameters params, *ap = ¶ms;
3322 if (!strcmp(filename, "-"))
3325 oc = av_alloc_format_context();
3327 if (!file_oformat) {
3328 file_oformat = guess_format(NULL, filename, NULL);
3329 if (!file_oformat) {
3330 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3336 oc->oformat = file_oformat;
3337 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3339 if (!strcmp(file_oformat->name, "ffm") &&
3340 strstart(filename, "http:", NULL)) {
3341 /* special case for files sent to ffserver: we get the stream
3342 parameters from ffserver */
3343 if (read_ffserver_streams(oc, filename) < 0) {
3344 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3348 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3349 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3351 /* disable if no corresponding type found and at least one
3353 if (nb_input_files > 0) {
3354 check_audio_video_inputs(&input_has_video, &input_has_audio);
3355 if (!input_has_video)
3357 if (!input_has_audio)
3361 /* manual disable */
3362 if (audio_disable) {
3365 if (video_disable) {
3370 new_video_stream(oc);
3374 new_audio_stream(oc);
3377 if (!oc->nb_streams) {
3378 fprintf(stderr, "No audio or video streams available\n");
3382 oc->timestamp = rec_timestamp;
3385 pstrcpy(oc->title, sizeof(oc->title), str_title);
3387 pstrcpy(oc->author, sizeof(oc->author), str_author);
3389 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3391 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3394 output_files[nb_output_files++] = oc;
3396 /* check filename in case of an image number is expected */
3397 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3398 if (filename_number_test(oc->filename) < 0) {
3399 print_error(oc->filename, AVERROR_NUMEXPECTED);
3404 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3405 /* test if it already exists to avoid loosing precious files */
3406 if (!file_overwrite &&
3407 (strchr(filename, ':') == NULL ||
3408 strstart(filename, "file:", NULL))) {
3409 if (url_exist(filename)) {
3412 if ( !using_stdin ) {
3413 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3416 if (toupper(c) != 'Y') {
3417 fprintf(stderr, "Not overwriting - exiting\n");
3422 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3429 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3430 fprintf(stderr, "Could not open '%s'\n", filename);
3435 memset(ap, 0, sizeof(*ap));
3436 ap->image_format = image_format;
3437 if (av_set_parameters(oc, ap) < 0) {
3438 fprintf(stderr, "%s: Invalid encoding parameters\n",
3443 oc->packet_size= mux_packet_size;
3444 oc->mux_rate= mux_rate;
3445 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3446 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3447 oc->loop_output = loop_output;
3449 /* reset some options */
3450 file_oformat = NULL;
3451 file_iformat = NULL;
3452 image_format = NULL;
3455 /* prepare dummy protocols for grab */
3456 static void prepare_grab(void)
3458 int has_video, has_audio, i, j;
3459 AVFormatContext *oc;
3460 AVFormatContext *ic;
3461 AVFormatParameters vp1, *vp = &vp1;
3462 AVFormatParameters ap1, *ap = &ap1;
3464 /* see if audio/video inputs are needed */
3467 memset(ap, 0, sizeof(*ap));
3468 memset(vp, 0, sizeof(*vp));
3469 vp->time_base.num= 1;
3470 for(j=0;j<nb_output_files;j++) {
3471 oc = output_files[j];
3472 for(i=0;i<oc->nb_streams;i++) {
3473 AVCodecContext *enc = oc->streams[i]->codec;
3474 switch(enc->codec_type) {
3475 case CODEC_TYPE_AUDIO:
3476 if (enc->sample_rate > ap->sample_rate)
3477 ap->sample_rate = enc->sample_rate;
3478 if (enc->channels > ap->channels)
3479 ap->channels = enc->channels;
3482 case CODEC_TYPE_VIDEO:
3483 if (enc->width > vp->width)
3484 vp->width = enc->width;
3485 if (enc->height > vp->height)
3486 vp->height = enc->height;
3488 if (vp->time_base.num*(int64_t)enc->time_base.den > enc->time_base.num*(int64_t)vp->time_base.den){
3489 vp->time_base = enc->time_base;
3499 if (has_video == 0 && has_audio == 0) {
3500 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3505 AVInputFormat *fmt1;
3506 fmt1 = av_find_input_format(video_grab_format);
3507 vp->device = video_device;
3508 vp->channel = video_channel;
3509 vp->standard = video_standard;
3510 vp->pix_fmt = frame_pix_fmt;
3511 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3512 fprintf(stderr, "Could not find video grab device\n");
3515 /* If not enough info to get the stream parameters, we decode the
3516 first frames to get it. */
3517 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3518 fprintf(stderr, "Could not find video grab parameters\n");
3521 /* by now video grab has one stream */
3522 ic->streams[0]->r_frame_rate.num = vp->time_base.den;
3523 ic->streams[0]->r_frame_rate.den = vp->time_base.num;
3524 input_files[nb_input_files] = ic;
3527 dump_format(ic, nb_input_files, "", 0);
3531 if (has_audio && audio_grab_format) {
3532 AVInputFormat *fmt1;
3533 fmt1 = av_find_input_format(audio_grab_format);
3534 ap->device = audio_device;
3535 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
3536 fprintf(stderr, "Could not find audio grab device\n");
3539 input_files[nb_input_files] = ic;
3542 dump_format(ic, nb_input_files, "", 0);
3548 /* same option as mencoder */
3549 static void opt_pass(const char *pass_str)
3552 pass = atoi(pass_str);
3553 if (pass != 1 && pass != 2) {
3554 fprintf(stderr, "pass number can be only 1 or 2\n");
3560 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
3561 static int64_t getutime(void)
3563 return av_gettime();
3566 static int64_t getutime(void)
3568 struct rusage rusage;
3570 getrusage(RUSAGE_SELF, &rusage);
3571 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3575 extern int ffm_nopts;
3577 static void show_formats(void)
3579 AVInputFormat *ifmt;
3580 AVOutputFormat *ofmt;
3581 AVImageFormat *image_fmt;
3584 const char **pp, *last_name;
3586 printf("File formats:\n");
3591 const char *name=NULL;
3592 const char *long_name=NULL;
3594 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3595 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3596 strcmp(ofmt->name, last_name)>0){
3598 long_name= ofmt->long_name;
3602 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3603 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3604 strcmp(ifmt->name, last_name)>0){
3606 long_name= ifmt->long_name;
3609 if(name && strcmp(ifmt->name, name)==0)
3621 long_name ? long_name:" ");
3625 printf("Image formats (filename extensions, if any, follow):\n");
3626 for(image_fmt = first_image_format; image_fmt != NULL;
3627 image_fmt = image_fmt->next) {
3630 image_fmt->img_read ? "D":" ",
3631 image_fmt->img_write ? "E":" ",
3633 image_fmt->extensions ? image_fmt->extensions:" ");
3637 printf("Codecs:\n");
3643 const char *type_str;
3646 for(p = first_avcodec; p != NULL; p = p->next) {
3647 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3648 strcmp(p->name, last_name)>0){
3650 decode= encode= cap=0;
3652 if(p2 && strcmp(p->name, p2->name)==0){
3653 if(p->decode) decode=1;
3654 if(p->encode) encode=1;
3655 cap |= p->capabilities;
3660 last_name= p2->name;
3663 case CODEC_TYPE_VIDEO:
3666 case CODEC_TYPE_AUDIO:
3669 case CODEC_TYPE_SUBTITLE:
3678 decode ? "D": (/*p2->decoder ? "d":*/" "),
3681 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3682 cap & CODEC_CAP_DR1 ? "D":" ",
3683 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3685 /* if(p2->decoder && decode==0)
3686 printf(" use %s for decoding", p2->decoder->name);*/
3691 printf("Supported file protocols:\n");
3692 for(up = first_protocol; up != NULL; up = up->next)
3693 printf(" %s:", up->name);
3696 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3697 printf("Motion estimation methods:\n");
3701 if ((pp - motion_str + 1) == ME_ZERO)
3702 printf("(fastest)");
3703 else if ((pp - motion_str + 1) == ME_FULL)
3704 printf("(slowest)");
3705 else if ((pp - motion_str + 1) == ME_EPZS)
3706 printf("(default)");
3711 "Note, the names of encoders and decoders dont always match, so there are\n"
3712 "several cases where the above table shows encoder only or decoder only entries\n"
3713 "even though both encoding and decoding are supported for example, the h263\n"
3714 "decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3719 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3722 const char *p = str;
3729 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3736 static void opt_inter_matrix(const char *arg)
3738 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3739 parse_matrix_coeffs(inter_matrix, arg);
3742 static void opt_intra_matrix(const char *arg)
3744 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3745 parse_matrix_coeffs(intra_matrix, arg);
3748 static void opt_target(const char *arg)
3751 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3753 if(!strncmp(arg, "pal-", 4)) {
3756 } else if(!strncmp(arg, "ntsc-", 5)) {
3759 } else if(!strncmp(arg, "film-", 5)) {
3764 /* Calculate FR via float to avoid int overflow */
3765 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
3768 } else if((fr == 29970) || (fr == 23976)) {
3771 /* Try to determine PAL/NTSC by peeking in the input files */
3772 if(nb_input_files) {
3774 for(j = 0; j < nb_input_files; j++) {
3775 for(i = 0; i < input_files[j]->nb_streams; i++) {
3776 AVCodecContext *c = input_files[j]->streams[i]->codec;
3777 if(c->codec_type != CODEC_TYPE_VIDEO)
3779 fr = c->time_base.den * 1000 / c->time_base.num;
3783 } else if((fr == 29970) || (fr == 23976)) {
3793 if(verbose && norm >= 0)
3794 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3798 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3799 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3800 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3804 if(!strcmp(arg, "vcd")) {
3806 opt_video_codec("mpeg1video");
3807 opt_audio_codec("mp2");
3810 opt_frame_size(norm ? "352x240" : "352x288");
3811 opt_frame_rate(frame_rates[norm]);
3812 opt_gop_size(norm ? "18" : "15");
3814 video_bit_rate = 1150000;
3815 video_rc_max_rate = 1150000;
3816 video_rc_min_rate = 1150000;
3817 video_rc_buffer_size = 40*1024*8;
3819 audio_bit_rate = 224000;
3820 audio_sample_rate = 44100;
3822 mux_packet_size= 2324;
3823 mux_rate= 2352 * 75 * 8;
3825 /* We have to offset the PTS, so that it is consistent with the SCR.
3826 SCR starts at 36000, but the first two packs contain only padding
3827 and the first pack from the other stream, respectively, may also have
3828 been written before.
3829 So the real data starts at SCR 36000+3*1200. */
3830 mux_preload= (36000+3*1200) / 90000.0; //0.44
3831 } else if(!strcmp(arg, "svcd")) {
3833 opt_video_codec("mpeg2video");
3834 opt_audio_codec("mp2");
3837 opt_frame_size(norm ? "480x480" : "480x576");
3838 opt_frame_rate(frame_rates[norm]);
3839 opt_gop_size(norm ? "18" : "15");
3841 video_bit_rate = 2040000;
3842 video_rc_max_rate = 2516000;
3843 video_rc_min_rate = 0; //1145000;
3844 video_rc_buffer_size = 224*1024*8;
3845 opt_default("flags", "+SCAN_OFFSET");
3848 audio_bit_rate = 224000;
3849 audio_sample_rate = 44100;
3851 mux_packet_size= 2324;
3853 } else if(!strcmp(arg, "dvd")) {
3855 opt_video_codec("mpeg2video");
3856 opt_audio_codec("ac3");
3859 opt_frame_size(norm ? "720x480" : "720x576");
3860 opt_frame_rate(frame_rates[norm]);
3861 opt_gop_size(norm ? "18" : "15");
3863 video_bit_rate = 6000000;
3864 video_rc_max_rate = 9000000;
3865 video_rc_min_rate = 0; //1500000;
3866 video_rc_buffer_size = 224*1024*8;
3868 mux_packet_size= 2048; // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3869 mux_rate = 10080000; // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3871 audio_bit_rate = 448000;
3872 audio_sample_rate = 48000;
3874 } else if(!strncmp(arg, "dv", 2)) {
3878 opt_frame_size(norm ? "720x480" : "720x576");
3879 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3880 (norm ? "yuv411p" : "yuv420p"));
3881 opt_frame_rate(frame_rates[norm]);
3883 audio_sample_rate = 48000;
3887 fprintf(stderr, "Unknown target: %s\n", arg);
3892 static void show_version(void)
3894 /* TODO: add function interface to avutil and avformat */
3895 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3899 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3903 static int opt_default(const char *opt, const char *arg){
3904 AVOption *o= av_set_string(avctx_opts, opt, arg);
3908 // av_log(NULL, AV_LOG_ERROR, "%s:%s: %f 0x%0X\n", opt, arg, av_get_double(avctx_opts, opt, NULL), (int)av_get_int(avctx_opts, opt, NULL));
3910 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3911 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3912 opt_names[opt_name_count++]= o->name;
3914 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3915 if(avctx_opts->flags & CODEC_FLAG_BITEXACT)
3918 if(avctx_opts->debug)
3919 av_log_set_level(AV_LOG_DEBUG);
3923 const OptionDef options[] = {
3925 { "L", 0, {(void*)show_license}, "show license" },
3926 { "h", 0, {(void*)show_help}, "show help" },
3927 { "version", 0, {(void*)show_version}, "show version" },
3928 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3929 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3930 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
3931 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3932 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3933 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3934 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3935 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3936 { "fs", HAS_ARG | OPT_INT, {(void*)&limit_filesize}, "set the limit file size", "limit_size" }, //
3937 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3938 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3939 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3940 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3941 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3942 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3943 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3944 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3945 "add timings for benchmarking" },
3946 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3947 "dump each input packet" },
3948 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3949 "when dumping packets, also dump the payload" },
3950 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3951 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3952 { "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)", "" },
3953 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3954 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3955 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3956 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3957 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3958 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3959 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3960 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3961 { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3964 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
3965 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3966 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3967 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3968 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3969 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3970 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3971 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3972 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3973 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3974 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3975 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3976 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3977 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3978 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3979 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3980 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3981 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
3982 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3983 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3984 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3985 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
3986 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
3987 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
3988 { "lmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmin}, "min video lagrange factor (VBR)", "lambda" },
3989 { "lmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmax}, "max video lagrange factor (VBR)", "lambda" },
3990 { "mblmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmin}, "min macroblock quantiser scale (VBR)", "q" },
3991 { "mblmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmax}, "max macroblock quantiser scale (VBR)", "q" },
3992 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
3993 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
3994 { "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" },
3995 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
3996 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
3997 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
3998 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
3999 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
4000 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
4001 { "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" },
4002 { "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" },
4003 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
4004 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4005 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
4006 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
4007 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
4008 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffer size (in kByte)", "size" },
4009 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4010 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
4012 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
4013 { "mb_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_threshold}, "macroblock threshold", "" },
4014 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
4015 { "preme", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_me}, "pre motion estimation", "" },
4016 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
4017 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
4018 { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
4019 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
4020 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4021 "use same video quality as source (implies VBR)" },
4022 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4023 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
4024 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4025 "deinterlace pictures" },
4026 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4027 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
4028 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
4029 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4030 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4031 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4032 { "sc_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sc_threshold}, "scene change threshold", "threshold" },
4033 { "me_range", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_range}, "limit motion vectors range (1023 for DivX player)", "range" },
4034 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4035 { "mepc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&me_penalty_compensation}, "motion estimation bitrate penalty compensation", "factor (1.0 = 256)" },
4036 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4037 { "skip_threshold", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_threshold}, "frame skip threshold", "threshold" },
4038 { "skip_factor", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_factor}, "frame skip factor", "factor" },
4039 { "skip_exp", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_exp}, "frame skip exponent", "exponent" },
4040 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4041 { "genpts", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&genpts }, "generate pts" },
4042 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4045 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
4046 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4047 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4048 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4049 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4050 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4051 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4052 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4053 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4054 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4056 /* subtitle options */
4057 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4058 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4059 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4062 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
4063 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4064 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4065 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
4067 /* G.2 grab options */
4068 { "grab", HAS_ARG | OPT_EXPERT | OPT_GRAB, {(void*)opt_grab}, "request grabbing using", "format" },
4069 { "gd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_grab_device}, "set grab device", "device" },
4072 { "muxrate", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_rate}, "set mux rate", "rate" },
4073 { "packetsize", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_packet_size}, "set packet size", "size" },
4074 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4075 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4076 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4080 static void show_banner(void)
4082 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2004 Fabrice Bellard\n");
4083 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
4084 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
4085 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
4086 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
4087 fprintf(stderr, " built on " __DATE__ " " __TIME__);
4089 fprintf(stderr, ", gcc: " __VERSION__ "\n");
4091 fprintf(stderr, ", using a non-gcc compiler\n");
4095 static void show_license(void)
4100 "This program is free software; you can redistribute it and/or modify\n"
4101 "it under the terms of the GNU General Public License as published by\n"
4102 "the Free Software Foundation; either version 2 of the License, or\n"
4103 "(at your option) any later version.\n"
4105 "This program is distributed in the hope that it will be useful,\n"
4106 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4107 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
4108 "GNU General Public License for more details.\n"
4110 "You should have received a copy of the GNU General Public License\n"
4111 "along with this program; if not, write to the Free Software\n"
4112 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
4116 "This library is free software; you can redistribute it and/or\n"
4117 "modify it under the terms of the GNU Lesser General Public\n"
4118 "License as published by the Free Software Foundation; either\n"
4119 "version 2 of the License, or (at your option) any later version.\n"
4121 "This library is distributed in the hope that it will be useful,\n"
4122 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4123 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4124 "Lesser General Public License for more details.\n"
4126 "You should have received a copy of the GNU Lesser General Public\n"
4127 "License along with this library; if not, write to the Free Software\n"
4128 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
4134 static void show_help(void)
4137 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
4138 "Hyper fast Audio and Video encoder\n");
4140 show_help_options(options, "Main options:\n",
4141 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
4142 show_help_options(options, "\nVideo options:\n",
4143 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4145 show_help_options(options, "\nAdvanced Video options:\n",
4146 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4147 OPT_VIDEO | OPT_EXPERT);
4148 show_help_options(options, "\nAudio options:\n",
4149 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4151 show_help_options(options, "\nAdvanced Audio options:\n",
4152 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4153 OPT_AUDIO | OPT_EXPERT);
4154 show_help_options(options, "\nSubtitle options:\n",
4155 OPT_SUBTITLE | OPT_GRAB,
4157 show_help_options(options, "\nAudio/Video grab options:\n",
4160 show_help_options(options, "\nAdvanced options:\n",
4161 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4163 av_opt_show(avctx_opts, NULL);
4168 void parse_arg_file(const char *filename)
4170 opt_output_file(filename);
4173 int main(int argc, char **argv)
4180 avctx_opts= avcodec_alloc_context();
4188 parse_options(argc, argv, options);
4190 /* file converter / grab */
4191 if (nb_output_files <= 0) {
4192 fprintf(stderr, "Must supply at least one output file\n");
4196 if (nb_input_files == 0) {
4202 av_encode(output_files, nb_output_files, input_files, nb_input_files,
4203 stream_maps, nb_stream_maps);
4204 ti = getutime() - ti;
4206 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4210 for(i=0;i<nb_output_files;i++) {
4211 /* maybe av_close_output_file ??? */
4212 AVFormatContext *s = output_files[i];
4214 if (!(s->oformat->flags & AVFMT_NOFILE))
4216 for(j=0;j<s->nb_streams;j++)
4217 av_free(s->streams[j]);
4220 for(i=0;i<nb_input_files;i++)
4221 av_close_input_file(input_files[i]);
4226 av_free(intra_matrix);
4228 av_free(inter_matrix);
4230 #ifdef POWERPC_PERFORMANCE_REPORT
4231 extern void powerpc_display_perf_report(void);
4232 powerpc_display_perf_report();
4233 #endif /* POWERPC_PERFORMANCE_REPORT */
4235 #ifndef CONFIG_WIN32
4236 if (received_sigterm) {
4238 "Received signal %d: terminating.\n",
4239 (int) received_sigterm);
4243 exit(0); /* not all OS-es handle main() return value */