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
23 #include "framehook.h"
30 #include <sys/ioctl.h>
33 #include <sys/resource.h>
37 #include <sys/types.h>
38 #include <sys/select.h>
41 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
50 #if !defined(INFINITY) && defined(HUGE_VAL)
51 #define INFINITY HUGE_VAL
54 /* select an input stream for an output stream */
55 typedef struct AVStreamMap {
59 int sync_stream_index;
62 /** select an input file for an output file */
63 typedef struct AVMetaDataMap {
68 extern const OptionDef options[];
70 static void show_help(void);
71 static void show_license(void);
72 static int opt_default(const char *opt, const char *arg);
76 static AVFormatContext *input_files[MAX_FILES];
77 static int64_t input_files_ts_offset[MAX_FILES];
78 static int nb_input_files = 0;
80 static AVFormatContext *output_files[MAX_FILES];
81 static int nb_output_files = 0;
83 static AVStreamMap stream_maps[MAX_FILES];
84 static int nb_stream_maps;
86 static AVMetaDataMap meta_data_maps[MAX_FILES];
87 static int nb_meta_data_maps;
89 static AVInputFormat *file_iformat;
90 static AVOutputFormat *file_oformat;
91 static AVImageFormat *image_format;
92 static int frame_width = 0;
93 static int frame_height = 0;
94 static float frame_aspect_ratio = 0;
95 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
96 static int frame_padtop = 0;
97 static int frame_padbottom = 0;
98 static int frame_padleft = 0;
99 static int frame_padright = 0;
100 static int padcolor[3] = {16,128,128}; /* default to black */
101 static int frame_topBand = 0;
102 static int frame_bottomBand = 0;
103 static int frame_leftBand = 0;
104 static int frame_rightBand = 0;
105 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
106 static int frame_rate = 25;
107 static int frame_rate_base = 1;
108 static int video_bit_rate_tolerance = 4000*1000;
109 static float video_qscale = 0;
110 static int video_qmin = 2;
111 static int video_qmax = 31;
112 static int video_lmin = 2*FF_QP2LAMBDA;
113 static int video_lmax = 31*FF_QP2LAMBDA;
114 static int video_mb_lmin = 2*FF_QP2LAMBDA;
115 static int video_mb_lmax = 31*FF_QP2LAMBDA;
116 static int video_qdiff = 3;
117 static float video_qblur = 0.5;
118 static float video_qsquish = 0.0;
119 static float video_qcomp = 0.5;
120 static uint16_t *intra_matrix = NULL;
121 static uint16_t *inter_matrix = NULL;
122 #if 0 //experimental, (can be removed)
123 static float video_rc_qsquish=1.0;
124 static float video_rc_qmod_amp=0;
125 static int video_rc_qmod_freq=0;
127 static char *video_rc_override_string=NULL;
128 static char *video_rc_eq="tex^qComp";
129 static int video_rc_buffer_size=0;
130 static float video_rc_buffer_aggressivity=1.0;
131 static float video_rc_initial_cplx=0;
132 static float video_b_qfactor = 1.25;
133 static float video_b_qoffset = 1.25;
134 static float video_i_qfactor = -0.8;
135 static float video_i_qoffset = 0.0;
136 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
137 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
138 static int me_method = ME_EPZS;
139 static int video_disable = 0;
140 static int video_discard = 0;
141 static int video_codec_id = CODEC_ID_NONE;
142 static int video_codec_tag = 0;
143 static int same_quality = 0;
144 static int b_frames = 0;
145 static int do_deinterlace = 0;
146 static int workaround_bugs = FF_BUG_AUTODETECT;
147 static int packet_size = 0;
148 static int error_rate = 0;
149 static int strict = 0;
150 static int top_field_first = -1;
151 static int sc_threshold = 0;
152 static int me_threshold = 0;
153 static int mb_threshold = 0;
154 static int intra_dc_precision = 8;
155 static int me_penalty_compensation= 256;
156 static int frame_skip_threshold= 0;
157 static int frame_skip_factor= 0;
158 static int frame_skip_exp= 0;
159 static int loop_input = 0;
160 static int loop_output = AVFMT_NOOUTPUTLOOP;
161 static int qp_hist = 0;
163 static int intra_only = 0;
164 static int audio_sample_rate = 44100;
165 static int audio_bit_rate = 64000;
166 #define QSCALE_NONE -99999
167 static float audio_qscale = QSCALE_NONE;
168 static int audio_disable = 0;
169 static int audio_channels = 1;
170 static int audio_codec_id = CODEC_ID_NONE;
171 static int audio_codec_tag = 0;
172 static char *audio_language = NULL;
174 static int subtitle_codec_id = CODEC_ID_NONE;
175 static char *subtitle_language = NULL;
177 static int mux_rate= 0;
178 static int mux_packet_size= 0;
179 static float mux_preload= 0.5;
180 static float mux_max_delay= 0.7;
182 static int64_t recording_time = 0;
183 static int64_t start_time = 0;
184 static int64_t rec_timestamp = 0;
185 static int64_t input_ts_offset = 0;
186 static int file_overwrite = 0;
187 static char *str_title = NULL;
188 static char *str_author = NULL;
189 static char *str_copyright = NULL;
190 static char *str_comment = NULL;
191 static char *str_album = NULL;
192 static int do_benchmark = 0;
193 static int do_hex_dump = 0;
194 static int do_pkt_dump = 0;
195 static int do_psnr = 0;
196 static int do_vstats = 0;
197 static int do_pass = 0;
198 static char *pass_logfilename = NULL;
199 static int audio_stream_copy = 0;
200 static int video_stream_copy = 0;
201 static int subtitle_stream_copy = 0;
202 static int video_sync_method= 1;
203 static int audio_sync_method= 0;
204 static int copy_ts= 0;
205 static int opt_shortest = 0; //
206 static int video_global_header = 0;
208 static int rate_emu = 0;
211 static const char *video_grab_format = "bktr";
213 #ifdef CONFIG_VIDEO4LINUX2
214 static const char *video_grab_format = "video4linux2";
216 static const char *video_grab_format = "video4linux";
219 static char *video_device = NULL;
220 static char *grab_device = NULL;
221 static int video_channel = 0;
222 static char *video_standard = "ntsc";
224 static const char *audio_grab_format = "audio_device";
225 static char *audio_device = NULL;
226 static int audio_volume = 256;
228 static int using_stdin = 0;
229 static int using_vhook = 0;
230 static int verbose = 1;
231 static int thread_count= 1;
232 static int q_pressed = 0;
233 static int me_range = 0;
234 static int64_t video_size = 0;
235 static int64_t audio_size = 0;
236 static int64_t extra_size = 0;
237 static int nb_frames_dup = 0;
238 static int nb_frames_drop = 0;
239 static int input_sync;
240 static int limit_filesize = 0; //
242 static int pgmyuv_compatibility_hack=0;
243 static int dts_delta_threshold = 10;
245 static int sws_flags = SWS_BICUBIC;
247 const char **opt_names=NULL;
248 int opt_name_count=0;
249 AVCodecContext *avctx_opts;
250 AVFormatContext *avformat_opts;
252 static AVBitStreamFilterContext *video_bitstream_filters=NULL;
253 static AVBitStreamFilterContext *audio_bitstream_filters=NULL;
254 static AVBitStreamFilterContext *bitstream_filters[MAX_FILES][MAX_STREAMS];
256 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
258 struct AVInputStream;
260 typedef struct AVOutputStream {
261 int file_index; /* file index */
262 int index; /* stream index in the output file */
263 int source_index; /* AVInputStream index */
264 AVStream *st; /* stream in the output file */
265 int encoding_needed; /* true if encoding needed for this stream */
267 /* input pts and corresponding output pts
269 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
270 struct AVInputStream *sync_ist; /* input stream to sync against */
271 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
274 AVFrame pict_tmp; /* temporary image for resampling */
275 struct SwsContext *img_resample_ctx; /* for image resampling */
279 int topBand; /* cropping area sizes */
283 int padtop; /* padding area sizes */
290 ReSampleContext *resample; /* for audio resampling */
291 FifoBuffer fifo; /* for compression: one audio fifo per codec */
295 typedef struct AVInputStream {
299 int discard; /* true if stream data should be discarded */
300 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
301 int64_t sample_index; /* current sample */
303 int64_t start; /* time when read started */
304 unsigned long frame; /* current frame */
305 int64_t next_pts; /* synthetic pts for cases where pkt.pts
307 int64_t pts; /* current pts */
308 int is_start; /* is 1 at the start and after a discontinuity */
311 typedef struct AVInputFile {
312 int eof_reached; /* true if eof reached */
313 int ist_index; /* index of first stream in ist_table */
314 int buffer_size; /* current total buffer size */
315 int buffer_size_max; /* buffer size at which we consider we can stop
317 int nb_streams; /* nb streams we are aware of */
322 /* init terminal so that we can grab keys */
323 static struct termios oldtty;
325 static void term_exit(void)
327 tcsetattr (0, TCSANOW, &oldtty);
330 static volatile sig_atomic_t received_sigterm = 0;
333 sigterm_handler(int sig)
335 received_sigterm = sig;
339 static void term_init(void)
346 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
347 |INLCR|IGNCR|ICRNL|IXON);
348 tty.c_oflag |= OPOST;
349 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
350 tty.c_cflag &= ~(CSIZE|PARENB);
355 tcsetattr (0, TCSANOW, &tty);
357 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
358 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
359 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
361 register a function to be called at normal program termination
364 #ifdef CONFIG_BEOS_NETSERVER
365 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
369 /* read a key without blocking */
370 static int read_key(void)
374 #ifndef CONFIG_BEOS_NETSERVER
382 n = select(1, &rfds, NULL, NULL, &tv);
394 static int decode_interrupt_cb(void)
396 return q_pressed || (q_pressed = read_key() == 'q');
401 static volatile int received_sigterm = 0;
403 /* no interactive support */
404 static void term_exit(void)
408 static void term_init(void)
412 static int read_key(void)
419 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
424 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
427 /* copy stream format */
428 s->nb_streams = ic->nb_streams;
429 for(i=0;i<ic->nb_streams;i++) {
432 // FIXME: a more elegant solution is needed
433 st = av_mallocz(sizeof(AVStream));
434 memcpy(st, ic->streams[i], sizeof(AVStream));
435 st->codec = avcodec_alloc_context();
436 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
440 av_close_input_file(ic);
445 get_sync_ipts(const AVOutputStream *ost)
447 const AVInputStream *ist = ost->sync_ist;
448 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
451 static void write_frame(AVFormatContext *s, AVPacket *pkt, AVCodecContext *avctx, AVBitStreamFilterContext *bsfc){
453 AVPacket new_pkt= *pkt;
454 int a= av_bitstream_filter_filter(bsfc, avctx, NULL,
455 &new_pkt.data, &new_pkt.size,
456 pkt->data, pkt->size,
457 pkt->flags & PKT_FLAG_KEY);
460 new_pkt.destruct= av_destruct_packet;
467 av_interleaved_write_frame(s, pkt);
470 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
472 static void do_audio_out(AVFormatContext *s,
475 unsigned char *buf, int size)
478 static uint8_t *audio_buf = NULL;
479 static uint8_t *audio_out = NULL;
480 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
482 int size_out, frame_bytes, ret;
483 AVCodecContext *enc= ost->st->codec;
485 /* SC: dynamic allocation of buffers */
487 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
489 audio_out = av_malloc(audio_out_size);
490 if (!audio_buf || !audio_out)
491 return; /* Should signal an error ! */
493 if(audio_sync_method){
494 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
495 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2);
496 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
497 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
499 //FIXME resample delay
500 if(fabs(delta) > 50){
503 byte_delta= FFMAX(byte_delta, -size);
507 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
512 static uint8_t *input_tmp= NULL;
513 input_tmp= av_realloc(input_tmp, byte_delta + size);
515 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
518 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
520 memset(input_tmp, 0, byte_delta);
521 memcpy(input_tmp + byte_delta, buf, size);
525 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
527 }else if(audio_sync_method>1){
528 int comp= clip(delta, -audio_sync_method, audio_sync_method);
529 assert(ost->audio_resample);
531 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
532 // 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));
533 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
537 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
538 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2); //FIXME wrong
540 if (ost->audio_resample) {
542 size_out = audio_resample(ost->resample,
543 (short *)buftmp, (short *)buf,
544 size / (ist->st->codec->channels * 2));
545 size_out = size_out * enc->channels * 2;
551 /* now encode as many frames as possible */
552 if (enc->frame_size > 1) {
553 /* output resampled raw samples */
554 fifo_write(&ost->fifo, buftmp, size_out,
557 frame_bytes = enc->frame_size * 2 * enc->channels;
559 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
560 &ost->fifo.rptr) == 0) {
562 av_init_packet(&pkt);
564 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
567 pkt.stream_index= ost->index;
570 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
571 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
572 pkt.flags |= PKT_FLAG_KEY;
573 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
575 ost->sync_opts += enc->frame_size;
579 av_init_packet(&pkt);
581 ost->sync_opts += size_out / (2 * enc->channels);
583 /* output a pcm frame */
584 /* XXX: change encoding codec API to avoid this ? */
585 switch(enc->codec->id) {
586 case CODEC_ID_PCM_S32LE:
587 case CODEC_ID_PCM_S32BE:
588 case CODEC_ID_PCM_U32LE:
589 case CODEC_ID_PCM_U32BE:
590 size_out = size_out << 1;
592 case CODEC_ID_PCM_S24LE:
593 case CODEC_ID_PCM_S24BE:
594 case CODEC_ID_PCM_U24LE:
595 case CODEC_ID_PCM_U24BE:
596 case CODEC_ID_PCM_S24DAUD:
597 size_out = size_out / 2 * 3;
599 case CODEC_ID_PCM_S16LE:
600 case CODEC_ID_PCM_S16BE:
601 case CODEC_ID_PCM_U16LE:
602 case CODEC_ID_PCM_U16BE:
605 size_out = size_out >> 1;
608 ret = avcodec_encode_audio(enc, audio_out, size_out,
611 pkt.stream_index= ost->index;
614 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
615 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
616 pkt.flags |= PKT_FLAG_KEY;
617 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
621 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
625 AVPicture picture_tmp;
628 dec = ist->st->codec;
630 /* deinterlace : must be done before any resize */
631 if (do_deinterlace || using_vhook) {
634 /* create temporary picture */
635 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
636 buf = av_malloc(size);
640 picture2 = &picture_tmp;
641 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
644 if(avpicture_deinterlace(picture2, picture,
645 dec->pix_fmt, dec->width, dec->height) < 0) {
646 /* if error, do not deinterlace */
652 img_copy(picture2, picture, dec->pix_fmt, dec->width, dec->height);
658 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
660 if (picture != picture2)
661 *picture = *picture2;
665 /* we begin to correct av delay at this threshold */
666 #define AV_DELAY_MAX 0.100
668 static void do_subtitle_out(AVFormatContext *s,
674 static uint8_t *subtitle_out = NULL;
675 int subtitle_out_max_size = 65536;
676 int subtitle_out_size, nb, i;
680 if (pts == AV_NOPTS_VALUE) {
681 fprintf(stderr, "Subtitle packets must have a pts\n");
685 enc = ost->st->codec;
688 subtitle_out = av_malloc(subtitle_out_max_size);
691 /* Note: DVB subtitle need one packet to draw them and one other
692 packet to clear them */
693 /* XXX: signal it in the codec context ? */
694 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
699 for(i = 0; i < nb; i++) {
700 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
701 subtitle_out_max_size, sub);
703 av_init_packet(&pkt);
704 pkt.stream_index = ost->index;
705 pkt.data = subtitle_out;
706 pkt.size = subtitle_out_size;
707 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);
708 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
709 /* XXX: the pts correction is handled here. Maybe handling
710 it in the codec would be better */
712 pkt.pts += 90 * sub->start_display_time;
714 pkt.pts += 90 * sub->end_display_time;
716 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
720 static int bit_buffer_size= 1024*256;
721 static uint8_t *bit_buffer= NULL;
723 static void do_video_out(AVFormatContext *s,
729 int nb_frames, i, ret;
730 AVFrame *final_picture, *formatted_picture, *resampling_dst, *padding_src;
731 AVFrame picture_crop_temp, picture_pad_temp;
732 uint8_t *buf = NULL, *buf1 = NULL;
733 AVCodecContext *enc, *dec;
735 avcodec_get_frame_defaults(&picture_crop_temp);
736 avcodec_get_frame_defaults(&picture_pad_temp);
738 enc = ost->st->codec;
739 dec = ist->st->codec;
741 /* by default, we output a single frame */
746 if(video_sync_method){
748 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
749 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
752 else if (vdelta > 1.1)
753 nb_frames = lrintf(vdelta);
754 //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);
758 fprintf(stderr, "*** drop!\n");
759 }else if (nb_frames > 1) {
760 nb_frames_dup += nb_frames;
762 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
765 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
767 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
771 if (ost->video_crop) {
772 if (img_crop((AVPicture *)&picture_crop_temp, (AVPicture *)in_picture, dec->pix_fmt, ost->topBand, ost->leftBand) < 0) {
773 av_log(NULL, AV_LOG_ERROR, "error cropping picture\n");
776 formatted_picture = &picture_crop_temp;
778 formatted_picture = in_picture;
781 final_picture = formatted_picture;
782 padding_src = formatted_picture;
783 resampling_dst = &ost->pict_tmp;
784 if (ost->video_pad) {
785 final_picture = &ost->pict_tmp;
786 if (ost->video_resample) {
787 if (img_crop((AVPicture *)&picture_pad_temp, (AVPicture *)final_picture, enc->pix_fmt, ost->padtop, ost->padleft) < 0) {
788 av_log(NULL, AV_LOG_ERROR, "error padding picture\n");
791 resampling_dst = &picture_pad_temp;
795 if (ost->video_resample) {
797 final_picture = &ost->pict_tmp;
798 sws_scale(ost->img_resample_ctx, formatted_picture->data, formatted_picture->linesize,
799 0, ost->resample_height, resampling_dst->data, resampling_dst->linesize);
802 if (ost->video_pad) {
803 img_pad((AVPicture*)final_picture, (AVPicture *)padding_src,
804 enc->height, enc->width, enc->pix_fmt,
805 ost->padtop, ost->padbottom, ost->padleft, ost->padright, padcolor);
808 /* duplicates frame if needed */
809 for(i=0;i<nb_frames;i++) {
811 av_init_packet(&pkt);
812 pkt.stream_index= ost->index;
814 if (s->oformat->flags & AVFMT_RAWPICTURE) {
815 /* raw pictures are written as AVPicture structure to
816 avoid any copies. We support temorarily the older
818 AVFrame* old_frame = enc->coded_frame;
819 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
820 pkt.data= (uint8_t *)final_picture;
821 pkt.size= sizeof(AVPicture);
822 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
823 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
824 if(dec->coded_frame && dec->coded_frame->key_frame)
825 pkt.flags |= PKT_FLAG_KEY;
827 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
828 enc->coded_frame = old_frame;
832 big_picture= *final_picture;
833 /* better than nothing: use input picture interlaced
835 big_picture.interlaced_frame = in_picture->interlaced_frame;
836 if(avctx_opts->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
837 if(top_field_first == -1)
838 big_picture.top_field_first = in_picture->top_field_first;
840 big_picture.top_field_first = top_field_first;
843 /* handles sameq here. This is not correct because it may
844 not be a global option */
846 big_picture.quality = ist->st->quality;
848 big_picture.quality = ost->st->quality;
850 big_picture.pict_type = 0;
851 // big_picture.pts = AV_NOPTS_VALUE;
852 big_picture.pts= ost->sync_opts;
853 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
854 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
855 ret = avcodec_encode_video(enc,
856 bit_buffer, bit_buffer_size,
858 //enc->frame_number = enc->real_pict_num;
860 pkt.data= bit_buffer;
862 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
863 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
864 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
865 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
866 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
868 if(enc->coded_frame && enc->coded_frame->key_frame)
869 pkt.flags |= PKT_FLAG_KEY;
870 write_frame(s, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
872 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
873 // enc->frame_number-1, enc->real_pict_num, ret,
875 /* if two pass, output log */
876 if (ost->logfile && enc->stats_out) {
877 fprintf(ost->logfile, "%s", enc->stats_out);
889 static double psnr(double d){
890 if(d==0) return INFINITY;
891 return -10.0*log(d)/log(10.0);
894 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
897 static FILE *fvstats=NULL;
904 double ti1, bitrate, avg_bitrate;
908 today = localtime(&today2);
909 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
912 fvstats = fopen(filename,"w");
920 enc = ost->st->codec;
921 if (enc->codec_type == CODEC_TYPE_VIDEO) {
922 frame_number = ost->frame_number;
923 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
924 if (enc->flags&CODEC_FLAG_PSNR)
925 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
927 fprintf(fvstats,"f_size= %6d ", frame_size);
928 /* compute pts value */
929 ti1 = ost->sync_opts * av_q2d(enc->time_base);
933 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
934 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
935 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
936 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
937 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
941 static void print_report(AVFormatContext **output_files,
942 AVOutputStream **ost_table, int nb_ostreams,
947 AVFormatContext *oc, *os;
950 int frame_number, vid, i;
951 double bitrate, ti1, pts;
952 static int64_t last_time = -1;
953 static int qp_histogram[52];
955 if (!is_last_report) {
957 /* display the report every 0.5 seconds */
958 cur_time = av_gettime();
959 if (last_time == -1) {
960 last_time = cur_time;
963 if ((cur_time - last_time) < 500000)
965 last_time = cur_time;
969 oc = output_files[0];
971 total_size = url_ftell(&oc->pb);
976 for(i=0;i<nb_ostreams;i++) {
978 os = output_files[ost->file_index];
979 enc = ost->st->codec;
980 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
981 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
982 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
984 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
985 frame_number = ost->frame_number;
986 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ",
987 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
989 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
990 if(qp_hist && enc->coded_frame){
992 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
993 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
996 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
998 if (enc->flags&CODEC_FLAG_PSNR){
1000 double error, error_sum=0;
1001 double scale, scale_sum=0;
1002 char type[3]= {'Y','U','V'};
1003 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1006 error= enc->error[j];
1007 scale= enc->width*enc->height*255.0*255.0*frame_number;
1009 error= enc->coded_frame->error[j];
1010 scale= enc->width*enc->height*255.0*255.0;
1015 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1017 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1021 /* compute min output value */
1022 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1023 if ((pts < ti1) && (pts > 0))
1029 if (verbose || is_last_report) {
1030 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1032 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1033 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1034 (double)total_size / 1024, ti1, bitrate);
1037 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1038 nb_frames_dup, nb_frames_drop);
1041 fprintf(stderr, "%s \r", buf);
1046 if (is_last_report && verbose >= 0){
1047 int64_t raw= audio_size + video_size + extra_size;
1048 fprintf(stderr, "\n");
1049 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1053 100.0*(total_size - raw)/raw
1058 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1059 static int output_packet(AVInputStream *ist, int ist_index,
1060 AVOutputStream **ost_table, int nb_ostreams,
1061 const AVPacket *pkt)
1063 AVFormatContext *os;
1064 AVOutputStream *ost;
1068 int data_size, got_picture;
1070 void *buffer_to_free;
1071 static unsigned int samples_size= 0;
1072 static short *samples= NULL;
1073 AVSubtitle subtitle, *subtitle_to_free;
1077 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1078 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1079 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1081 // assert(ist->pts == ist->next_pts);
1095 /* decode the packet if needed */
1096 data_buf = NULL; /* fail safe */
1098 subtitle_to_free = NULL;
1099 if (ist->decoding_needed) {
1100 switch(ist->st->codec->codec_type) {
1101 case CODEC_TYPE_AUDIO:{
1103 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1104 /* XXX: could avoid copy if PCM 16 bits with same
1105 endianness as CPU */
1106 ret = avcodec_decode_audio(ist->st->codec, samples, &data_size,
1112 /* Some bug in mpeg audio decoder gives */
1113 /* data_size < 0, it seems they are overflows */
1114 if (data_size <= 0) {
1115 /* no audio frame */
1118 data_buf = (uint8_t *)samples;
1119 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1120 (ist->st->codec->sample_rate * ist->st->codec->channels);
1122 case CODEC_TYPE_VIDEO:
1123 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1124 /* XXX: allocate picture correctly */
1125 avcodec_get_frame_defaults(&picture);
1127 ret = avcodec_decode_video(ist->st->codec,
1128 &picture, &got_picture, ptr, len);
1129 ist->st->quality= picture.quality;
1133 /* no picture yet */
1134 goto discard_packet;
1136 if (ist->st->codec->time_base.num != 0) {
1137 ist->next_pts += ((int64_t)AV_TIME_BASE *
1138 ist->st->codec->time_base.num) /
1139 ist->st->codec->time_base.den;
1143 case CODEC_TYPE_SUBTITLE:
1144 ret = avcodec_decode_subtitle(ist->st->codec,
1145 &subtitle, &got_subtitle, ptr, len);
1148 if (!got_subtitle) {
1149 goto discard_packet;
1151 subtitle_to_free = &subtitle;
1158 switch(ist->st->codec->codec_type) {
1159 case CODEC_TYPE_AUDIO:
1160 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1161 (ist->st->codec->sample_rate * ist->st->codec->channels);
1163 case CODEC_TYPE_VIDEO:
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;
1177 buffer_to_free = NULL;
1178 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1179 pre_process_video_frame(ist, (AVPicture *)&picture,
1183 // preprocess audio (volume)
1184 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1185 if (audio_volume != 256) {
1188 for(i=0;i<(data_size / sizeof(short));i++) {
1189 int v = ((*volp) * audio_volume + 128) >> 8;
1190 if (v < -32768) v = -32768;
1191 if (v > 32767) v = 32767;
1197 /* frame rate emulation */
1198 if (ist->st->codec->rate_emu) {
1199 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1200 int64_t now = av_gettime() - ist->start;
1208 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1209 is the one of the next displayed one */
1210 /* XXX: add mpeg4 too ? */
1211 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1212 if (ist->st->codec->pict_type != B_TYPE) {
1214 tmp = ist->last_ip_pts;
1215 ist->last_ip_pts = ist->frac_pts.val;
1216 ist->frac_pts.val = tmp;
1220 /* if output time reached then transcode raw format,
1221 encode packets and output them */
1222 if (start_time == 0 || ist->pts >= start_time)
1223 for(i=0;i<nb_ostreams;i++) {
1227 if (ost->source_index == ist_index) {
1228 os = output_files[ost->file_index];
1231 printf("%d: got pts=%0.3f %0.3f\n", i,
1232 (double)pkt->pts / AV_TIME_BASE,
1233 ((double)ist->pts / AV_TIME_BASE) -
1234 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1236 /* set the input output pts pairs */
1237 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1239 if (ost->encoding_needed) {
1240 switch(ost->st->codec->codec_type) {
1241 case CODEC_TYPE_AUDIO:
1242 do_audio_out(os, ost, ist, data_buf, data_size);
1244 case CODEC_TYPE_VIDEO:
1245 do_video_out(os, ost, ist, &picture, &frame_size);
1246 video_size += frame_size;
1247 if (do_vstats && frame_size)
1248 do_video_stats(os, ost, frame_size);
1250 case CODEC_TYPE_SUBTITLE:
1251 do_subtitle_out(os, ost, ist, &subtitle,
1258 AVFrame avframe; //FIXME/XXX remove this
1260 av_init_packet(&opkt);
1262 /* no reencoding needed : output the packet directly */
1263 /* force the input stream PTS */
1265 avcodec_get_frame_defaults(&avframe);
1266 ost->st->codec->coded_frame= &avframe;
1267 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1269 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1270 audio_size += data_size;
1271 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1272 video_size += data_size;
1276 opkt.stream_index= ost->index;
1277 if(pkt->pts != AV_NOPTS_VALUE)
1278 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);
1280 opkt.pts= AV_NOPTS_VALUE;
1284 if (pkt->dts == AV_NOPTS_VALUE)
1285 dts = ist->next_pts;
1287 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1288 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1290 opkt.flags= pkt->flags;
1292 //FIXME remove the following 2 lines they shall be replaced by the bitstream filters
1293 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1294 opkt.destruct= av_destruct_packet;
1296 write_frame(os, &opkt, ost->st->codec, bitstream_filters[ost->file_index][pkt->stream_index]);
1297 ost->st->codec->frame_number++;
1298 ost->frame_number++;
1299 av_free_packet(&opkt);
1303 av_free(buffer_to_free);
1304 /* XXX: allocate the subtitles in the codec ? */
1305 if (subtitle_to_free) {
1306 if (subtitle_to_free->rects != NULL) {
1307 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1308 av_free(subtitle_to_free->rects[i].bitmap);
1309 av_free(subtitle_to_free->rects[i].rgba_palette);
1311 av_freep(&subtitle_to_free->rects);
1313 subtitle_to_free->num_rects = 0;
1314 subtitle_to_free = NULL;
1321 for(i=0;i<nb_ostreams;i++) {
1323 if (ost->source_index == ist_index) {
1324 AVCodecContext *enc= ost->st->codec;
1325 os = output_files[ost->file_index];
1327 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1329 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1332 if (ost->encoding_needed) {
1336 av_init_packet(&pkt);
1337 pkt.stream_index= ost->index;
1339 switch(ost->st->codec->codec_type) {
1340 case CODEC_TYPE_AUDIO:
1341 fifo_bytes = fifo_size(&ost->fifo, NULL);
1343 /* encode any samples remaining in fifo */
1344 if(fifo_bytes > 0 && enc->codec->capabilities & CODEC_CAP_SMALL_LAST_FRAME) {
1345 int fs_tmp = enc->frame_size;
1346 enc->frame_size = fifo_bytes / (2 * enc->channels);
1347 if(fifo_read(&ost->fifo, (uint8_t *)samples, fifo_bytes,
1348 &ost->fifo.rptr) == 0) {
1349 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, samples);
1351 enc->frame_size = fs_tmp;
1354 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1357 pkt.flags |= PKT_FLAG_KEY;
1359 case CODEC_TYPE_VIDEO:
1360 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1362 if(enc->coded_frame && enc->coded_frame->key_frame)
1363 pkt.flags |= PKT_FLAG_KEY;
1364 if (ost->logfile && enc->stats_out) {
1365 fprintf(ost->logfile, "%s", enc->stats_out);
1374 pkt.data= bit_buffer;
1376 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1377 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1378 write_frame(os, &pkt, ost->st->codec, bitstream_filters[ost->file_index][pkt.stream_index]);
1392 * The following code is the main loop of the file converter
1394 static int av_encode(AVFormatContext **output_files,
1395 int nb_output_files,
1396 AVFormatContext **input_files,
1398 AVStreamMap *stream_maps, int nb_stream_maps)
1400 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1401 AVFormatContext *is, *os;
1402 AVCodecContext *codec, *icodec;
1403 AVOutputStream *ost, **ost_table = NULL;
1404 AVInputStream *ist, **ist_table = NULL;
1405 AVInputFile *file_table;
1406 AVFormatContext *stream_no_data;
1409 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1413 /* input stream init */
1415 for(i=0;i<nb_input_files;i++) {
1416 is = input_files[i];
1417 file_table[i].ist_index = j;
1418 file_table[i].nb_streams = is->nb_streams;
1419 j += is->nb_streams;
1423 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1427 for(i=0;i<nb_istreams;i++) {
1428 ist = av_mallocz(sizeof(AVInputStream));
1434 for(i=0;i<nb_input_files;i++) {
1435 is = input_files[i];
1436 for(k=0;k<is->nb_streams;k++) {
1437 ist = ist_table[j++];
1438 ist->st = is->streams[k];
1439 ist->file_index = i;
1441 ist->discard = 1; /* the stream is discarded by default
1444 if (ist->st->codec->rate_emu) {
1445 ist->start = av_gettime();
1451 /* output stream init */
1453 for(i=0;i<nb_output_files;i++) {
1454 os = output_files[i];
1455 nb_ostreams += os->nb_streams;
1457 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1458 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1462 /* Sanity check the mapping args -- do the input files & streams exist? */
1463 for(i=0;i<nb_stream_maps;i++) {
1464 int fi = stream_maps[i].file_index;
1465 int si = stream_maps[i].stream_index;
1467 if (fi < 0 || fi > nb_input_files - 1 ||
1468 si < 0 || si > file_table[fi].nb_streams - 1) {
1469 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1472 fi = stream_maps[i].sync_file_index;
1473 si = stream_maps[i].sync_stream_index;
1474 if (fi < 0 || fi > nb_input_files - 1 ||
1475 si < 0 || si > file_table[fi].nb_streams - 1) {
1476 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1481 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1484 for(i=0;i<nb_ostreams;i++) {
1485 ost = av_mallocz(sizeof(AVOutputStream));
1492 for(k=0;k<nb_output_files;k++) {
1493 os = output_files[k];
1494 for(i=0;i<os->nb_streams;i++) {
1496 ost = ost_table[n++];
1497 ost->file_index = k;
1499 ost->st = os->streams[i];
1500 if (nb_stream_maps > 0) {
1501 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1502 stream_maps[n-1].stream_index;
1504 /* Sanity check that the stream types match */
1505 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1506 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1507 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1508 ost->file_index, ost->index);
1513 /* get corresponding input stream index : we select the first one with the right type */
1515 for(j=0;j<nb_istreams;j++) {
1518 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1519 ost->source_index = j;
1526 /* try again and reuse existing stream */
1527 for(j=0;j<nb_istreams;j++) {
1529 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1530 ost->source_index = j;
1535 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1536 ost->file_index, ost->index);
1541 ist = ist_table[ost->source_index];
1543 ost->sync_ist = (nb_stream_maps > 0) ?
1544 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1545 stream_maps[n-1].sync_stream_index] : ist;
1549 /* for each output stream, we compute the right encoding parameters */
1550 for(i=0;i<nb_ostreams;i++) {
1552 ist = ist_table[ost->source_index];
1554 codec = ost->st->codec;
1555 icodec = ist->st->codec;
1557 if (ost->st->stream_copy) {
1558 /* if stream_copy is selected, no need to decode or encode */
1559 codec->codec_id = icodec->codec_id;
1560 codec->codec_type = icodec->codec_type;
1561 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1562 codec->bit_rate = icodec->bit_rate;
1563 codec->extradata= icodec->extradata;
1564 codec->extradata_size= icodec->extradata_size;
1565 codec->time_base = icodec->time_base;
1566 switch(codec->codec_type) {
1567 case CODEC_TYPE_AUDIO:
1568 codec->sample_rate = icodec->sample_rate;
1569 codec->channels = icodec->channels;
1570 codec->frame_size = icodec->frame_size;
1571 codec->block_align= icodec->block_align;
1573 case CODEC_TYPE_VIDEO:
1574 codec->pix_fmt = icodec->pix_fmt;
1575 codec->width = icodec->width;
1576 codec->height = icodec->height;
1577 codec->has_b_frames = icodec->has_b_frames;
1579 case CODEC_TYPE_SUBTITLE:
1585 switch(codec->codec_type) {
1586 case CODEC_TYPE_AUDIO:
1587 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1590 if (codec->channels == icodec->channels &&
1591 codec->sample_rate == icodec->sample_rate) {
1592 ost->audio_resample = 0;
1594 if (codec->channels != icodec->channels &&
1595 (icodec->codec_id == CODEC_ID_AC3 ||
1596 icodec->codec_id == CODEC_ID_DTS)) {
1597 /* Special case for 5:1 AC3 and DTS input */
1598 /* and mono or stereo output */
1599 /* Request specific number of channels */
1600 icodec->channels = codec->channels;
1601 if (codec->sample_rate == icodec->sample_rate)
1602 ost->audio_resample = 0;
1604 ost->audio_resample = 1;
1607 ost->audio_resample = 1;
1610 if(audio_sync_method>1)
1611 ost->audio_resample = 1;
1613 if(ost->audio_resample){
1614 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1615 codec->sample_rate, icodec->sample_rate);
1617 printf("Can't resample. Aborting.\n");
1621 ist->decoding_needed = 1;
1622 ost->encoding_needed = 1;
1624 case CODEC_TYPE_VIDEO:
1625 ost->video_crop = ((frame_leftBand + frame_rightBand + frame_topBand + frame_bottomBand) != 0);
1626 ost->video_pad = ((frame_padleft + frame_padright + frame_padtop + frame_padbottom) != 0);
1627 ost->video_resample = ((codec->width != icodec->width -
1628 (frame_leftBand + frame_rightBand) +
1629 (frame_padleft + frame_padright)) ||
1630 (codec->height != icodec->height -
1631 (frame_topBand + frame_bottomBand) +
1632 (frame_padtop + frame_padbottom)) ||
1633 (codec->pix_fmt != icodec->pix_fmt));
1634 if (ost->video_crop) {
1635 ost->topBand = frame_topBand;
1636 ost->leftBand = frame_leftBand;
1638 if (ost->video_pad) {
1639 ost->padtop = frame_padtop;
1640 ost->padleft = frame_padleft;
1641 ost->padbottom = frame_padbottom;
1642 ost->padright = frame_padright;
1643 if (!ost->video_resample) {
1644 avcodec_get_frame_defaults(&ost->pict_tmp);
1645 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1646 codec->width, codec->height ) )
1650 if (ost->video_resample) {
1651 avcodec_get_frame_defaults(&ost->pict_tmp);
1652 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, codec->pix_fmt,
1653 codec->width, codec->height ) )
1656 ost->img_resample_ctx = sws_getContext(
1657 icodec->width - (frame_leftBand + frame_rightBand),
1658 icodec->height - (frame_topBand + frame_bottomBand),
1660 codec->width - (frame_padleft + frame_padright),
1661 codec->height - (frame_padtop + frame_padbottom),
1663 sws_flags, NULL, NULL, NULL);
1664 if (ost->img_resample_ctx == NULL) {
1665 fprintf(stderr, "Cannot get resampling context\n");
1668 ost->resample_height = icodec->height - (frame_topBand + frame_bottomBand);
1670 ost->encoding_needed = 1;
1671 ist->decoding_needed = 1;
1673 case CODEC_TYPE_SUBTITLE:
1674 ost->encoding_needed = 1;
1675 ist->decoding_needed = 1;
1682 if (ost->encoding_needed &&
1683 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1684 char logfilename[1024];
1689 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1691 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1692 if (codec->flags & CODEC_FLAG_PASS1) {
1693 f = fopen(logfilename, "w");
1695 perror(logfilename);
1700 /* read the log file */
1701 f = fopen(logfilename, "r");
1703 perror(logfilename);
1706 fseek(f, 0, SEEK_END);
1708 fseek(f, 0, SEEK_SET);
1709 logbuffer = av_malloc(size + 1);
1711 fprintf(stderr, "Could not allocate log buffer\n");
1714 size = fread(logbuffer, 1, size, f);
1716 logbuffer[size] = '\0';
1717 codec->stats_in = logbuffer;
1721 if(codec->codec_type == CODEC_TYPE_VIDEO){
1722 int size= codec->width * codec->height;
1723 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1728 bit_buffer = av_malloc(bit_buffer_size);
1732 /* dump the file output parameters - cannot be done before in case
1734 for(i=0;i<nb_output_files;i++) {
1735 dump_format(output_files[i], i, output_files[i]->filename, 1);
1738 /* dump the stream mapping */
1740 fprintf(stderr, "Stream mapping:\n");
1741 for(i=0;i<nb_ostreams;i++) {
1743 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1744 ist_table[ost->source_index]->file_index,
1745 ist_table[ost->source_index]->index,
1748 if (ost->sync_ist != ist_table[ost->source_index])
1749 fprintf(stderr, " [sync #%d.%d]",
1750 ost->sync_ist->file_index,
1751 ost->sync_ist->index);
1752 fprintf(stderr, "\n");
1756 /* open each encoder */
1757 for(i=0;i<nb_ostreams;i++) {
1759 if (ost->encoding_needed) {
1761 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1763 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1764 ost->file_index, ost->index);
1767 if (avcodec_open(ost->st->codec, codec) < 0) {
1768 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1769 ost->file_index, ost->index);
1772 extra_size += ost->st->codec->extradata_size;
1776 /* open each decoder */
1777 for(i=0;i<nb_istreams;i++) {
1779 if (ist->decoding_needed) {
1781 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1783 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1784 ist->st->codec->codec_id, ist->file_index, ist->index);
1787 if (avcodec_open(ist->st->codec, codec) < 0) {
1788 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1789 ist->file_index, ist->index);
1792 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1793 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1798 for(i=0;i<nb_istreams;i++) {
1800 is = input_files[ist->file_index];
1802 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1803 if(ist->st->start_time == AV_NOPTS_VALUE)
1805 if(input_files_ts_offset[ist->file_index])
1806 ist->next_pts= AV_NOPTS_VALUE;
1810 /* compute buffer size max (should use a complete heuristic) */
1811 for(i=0;i<nb_input_files;i++) {
1812 file_table[i].buffer_size_max = 2048;
1815 /* set meta data information from input file if required */
1816 for (i=0;i<nb_meta_data_maps;i++) {
1817 AVFormatContext *out_file;
1818 AVFormatContext *in_file;
1820 int out_file_index = meta_data_maps[i].out_file;
1821 int in_file_index = meta_data_maps[i].in_file;
1822 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1823 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1827 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1828 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1833 out_file = output_files[out_file_index];
1834 in_file = input_files[in_file_index];
1836 strcpy(out_file->title, in_file->title);
1837 strcpy(out_file->author, in_file->author);
1838 strcpy(out_file->copyright, in_file->copyright);
1839 strcpy(out_file->comment, in_file->comment);
1840 strcpy(out_file->album, in_file->album);
1841 out_file->year = in_file->year;
1842 out_file->track = in_file->track;
1843 strcpy(out_file->genre, in_file->genre);
1846 /* open files and write file headers */
1847 for(i=0;i<nb_output_files;i++) {
1848 os = output_files[i];
1849 if (av_write_header(os) < 0) {
1850 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1857 if ( !using_stdin && verbose >= 0) {
1858 fprintf(stderr, "Press [q] to stop encoding\n");
1859 url_set_interrupt_cb(decode_interrupt_cb);
1867 for(; received_sigterm == 0;) {
1868 int file_index, ist_index;
1876 /* if 'q' pressed, exits */
1880 /* read_key() returns 0 on EOF */
1886 /* select the stream that we must read now by looking at the
1887 smallest output pts */
1889 for(i=0;i<nb_ostreams;i++) {
1892 os = output_files[ost->file_index];
1893 ist = ist_table[ost->source_index];
1894 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1895 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1897 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1898 ipts = (double)ist->pts;
1899 if (!file_table[ist->file_index].eof_reached){
1900 if(ipts < ipts_min) {
1902 if(input_sync ) file_index = ist->file_index;
1904 if(opts < opts_min) {
1906 if(!input_sync) file_index = ist->file_index;
1909 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
1914 /* if none, if is finished */
1915 if (file_index < 0) {
1919 /* finish if recording time exhausted */
1920 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
1923 /* finish if limit size exhausted */
1924 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
1927 /* read a frame from it and output it in the fifo */
1928 is = input_files[file_index];
1929 if (av_read_frame(is, &pkt) < 0) {
1930 file_table[file_index].eof_reached = 1;
1931 if (opt_shortest) break; else continue; //
1935 stream_no_data = is;
1940 av_pkt_dump(stdout, &pkt, do_hex_dump);
1942 /* the following test is needed in case new streams appear
1943 dynamically in stream : we ignore them */
1944 if (pkt.stream_index >= file_table[file_index].nb_streams)
1945 goto discard_packet;
1946 ist_index = file_table[file_index].ist_index + pkt.stream_index;
1947 ist = ist_table[ist_index];
1949 goto discard_packet;
1951 // 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);
1952 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
1953 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
1954 if(ABS(delta) > 1LL*dts_delta_threshold*AV_TIME_BASE && !copy_ts){
1955 input_files_ts_offset[ist->file_index]-= delta;
1957 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
1958 for(i=0; i<file_table[file_index].nb_streams; i++){
1959 int index= file_table[file_index].ist_index + i;
1960 ist_table[index]->next_pts += delta;
1961 ist_table[index]->is_start=1;
1966 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1967 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
1970 fprintf(stderr, "Error while decoding stream #%d.%d\n",
1971 ist->file_index, ist->index);
1973 av_free_packet(&pkt);
1978 av_free_packet(&pkt);
1980 /* dump report by using the output first video and audio streams */
1981 print_report(output_files, ost_table, nb_ostreams, 0);
1984 /* at the end of stream, we must flush the decoder buffers */
1985 for(i=0;i<nb_istreams;i++) {
1987 if (ist->decoding_needed) {
1988 output_packet(ist, i, ost_table, nb_ostreams, NULL);
1994 /* write the trailer if needed and close file */
1995 for(i=0;i<nb_output_files;i++) {
1996 os = output_files[i];
1997 av_write_trailer(os);
2000 /* dump report by using the first video and audio streams */
2001 print_report(output_files, ost_table, nb_ostreams, 1);
2003 /* close each encoder */
2004 for(i=0;i<nb_ostreams;i++) {
2006 if (ost->encoding_needed) {
2007 av_freep(&ost->st->codec->stats_in);
2008 avcodec_close(ost->st->codec);
2012 /* close each decoder */
2013 for(i=0;i<nb_istreams;i++) {
2015 if (ist->decoding_needed) {
2016 avcodec_close(ist->st->codec);
2024 av_freep(&bit_buffer);
2025 av_free(file_table);
2028 for(i=0;i<nb_istreams;i++) {
2035 for(i=0;i<nb_ostreams;i++) {
2039 fclose(ost->logfile);
2040 ost->logfile = NULL;
2042 fifo_free(&ost->fifo); /* works even if fifo is not
2043 initialized but set to zero */
2044 av_free(ost->pict_tmp.data[0]);
2045 if (ost->video_resample)
2046 sws_freeContext(ost->img_resample_ctx);
2047 if (ost->audio_resample)
2048 audio_resample_close(ost->resample);
2061 int file_read(const char *filename)
2064 unsigned char buffer[1024];
2067 if (url_open(&h, filename, O_RDONLY) < 0) {
2068 printf("could not open '%s'\n", filename);
2072 len = url_read(h, buffer, sizeof(buffer));
2075 for(i=0;i<len;i++) putchar(buffer[i]);
2082 static void opt_image_format(const char *arg)
2086 for(f = first_image_format; f != NULL; f = f->next) {
2087 if (!strcmp(arg, f->name))
2091 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2097 static void opt_format(const char *arg)
2099 /* compatibility stuff for pgmyuv */
2100 if (!strcmp(arg, "pgmyuv")) {
2101 pgmyuv_compatibility_hack=1;
2102 // opt_image_format(arg);
2106 file_iformat = av_find_input_format(arg);
2107 file_oformat = guess_format(arg, NULL, NULL);
2108 if (!file_iformat && !file_oformat) {
2109 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2114 static void opt_video_bitrate_tolerance(const char *arg)
2116 video_bit_rate_tolerance = atoi(arg) * 1000;
2119 static void opt_video_buffer_size(const char *arg)
2121 video_rc_buffer_size = atoi(arg) * 8*1024;
2124 static void opt_video_rc_eq(char *arg)
2129 static void opt_video_rc_override_string(char *arg)
2131 video_rc_override_string = arg;
2135 static void opt_workaround_bugs(const char *arg)
2137 workaround_bugs = atoi(arg);
2140 static void opt_me_threshold(const char *arg)
2142 me_threshold = atoi(arg);
2145 static void opt_mb_threshold(const char *arg)
2147 mb_threshold = atoi(arg);
2150 static void opt_verbose(const char *arg)
2152 verbose = atoi(arg);
2153 av_log_set_level(atoi(arg));
2156 static void opt_frame_rate(const char *arg)
2158 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2159 fprintf(stderr, "Incorrect frame rate\n");
2164 static void opt_frame_crop_top(const char *arg)
2166 frame_topBand = atoi(arg);
2167 if (frame_topBand < 0) {
2168 fprintf(stderr, "Incorrect top crop size\n");
2171 if ((frame_topBand % 2) != 0) {
2172 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2175 if ((frame_topBand) >= frame_height){
2176 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2179 frame_height -= frame_topBand;
2182 static void opt_frame_crop_bottom(const char *arg)
2184 frame_bottomBand = atoi(arg);
2185 if (frame_bottomBand < 0) {
2186 fprintf(stderr, "Incorrect bottom crop size\n");
2189 if ((frame_bottomBand % 2) != 0) {
2190 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2193 if ((frame_bottomBand) >= frame_height){
2194 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2197 frame_height -= frame_bottomBand;
2200 static void opt_frame_crop_left(const char *arg)
2202 frame_leftBand = atoi(arg);
2203 if (frame_leftBand < 0) {
2204 fprintf(stderr, "Incorrect left crop size\n");
2207 if ((frame_leftBand % 2) != 0) {
2208 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2211 if ((frame_leftBand) >= frame_width){
2212 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2215 frame_width -= frame_leftBand;
2218 static void opt_frame_crop_right(const char *arg)
2220 frame_rightBand = atoi(arg);
2221 if (frame_rightBand < 0) {
2222 fprintf(stderr, "Incorrect right crop size\n");
2225 if ((frame_rightBand % 2) != 0) {
2226 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2229 if ((frame_rightBand) >= frame_width){
2230 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2233 frame_width -= frame_rightBand;
2236 static void opt_frame_size(const char *arg)
2238 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2239 fprintf(stderr, "Incorrect frame size\n");
2242 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2243 fprintf(stderr, "Frame size must be a multiple of 2\n");
2249 #define SCALEBITS 10
2250 #define ONE_HALF (1 << (SCALEBITS - 1))
2251 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2253 #define RGB_TO_Y(r, g, b) \
2254 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2255 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2257 #define RGB_TO_U(r1, g1, b1, shift)\
2258 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2259 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2261 #define RGB_TO_V(r1, g1, b1, shift)\
2262 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2263 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2265 static void opt_pad_color(const char *arg) {
2266 /* Input is expected to be six hex digits similar to
2267 how colors are expressed in html tags (but without the #) */
2268 int rgb = strtol(arg, NULL, 16);
2272 g = ((rgb >> 8) & 255);
2275 padcolor[0] = RGB_TO_Y(r,g,b);
2276 padcolor[1] = RGB_TO_U(r,g,b,0);
2277 padcolor[2] = RGB_TO_V(r,g,b,0);
2280 static void opt_frame_pad_top(const char *arg)
2282 frame_padtop = atoi(arg);
2283 if (frame_padtop < 0) {
2284 fprintf(stderr, "Incorrect top pad size\n");
2287 if ((frame_padtop % 2) != 0) {
2288 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2293 static void opt_frame_pad_bottom(const char *arg)
2295 frame_padbottom = atoi(arg);
2296 if (frame_padbottom < 0) {
2297 fprintf(stderr, "Incorrect bottom pad size\n");
2300 if ((frame_padbottom % 2) != 0) {
2301 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2307 static void opt_frame_pad_left(const char *arg)
2309 frame_padleft = atoi(arg);
2310 if (frame_padleft < 0) {
2311 fprintf(stderr, "Incorrect left pad size\n");
2314 if ((frame_padleft % 2) != 0) {
2315 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2321 static void opt_frame_pad_right(const char *arg)
2323 frame_padright = atoi(arg);
2324 if (frame_padright < 0) {
2325 fprintf(stderr, "Incorrect right pad size\n");
2328 if ((frame_padright % 2) != 0) {
2329 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2335 static void opt_frame_pix_fmt(const char *arg)
2337 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2340 static void opt_frame_aspect_ratio(const char *arg)
2346 p = strchr(arg, ':');
2348 x = strtol(arg, (char **)&arg, 10);
2350 y = strtol(arg+1, (char **)&arg, 10);
2352 ar = (double)x / (double)y;
2354 ar = strtod(arg, (char **)&arg);
2357 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2360 frame_aspect_ratio = ar;
2363 static void opt_b_frames(const char *arg)
2365 b_frames = atoi(arg);
2366 if (b_frames > FF_MAX_B_FRAMES) {
2367 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2369 } else if (b_frames < 1) {
2370 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2375 static void opt_qscale(const char *arg)
2377 video_qscale = atof(arg);
2378 if (video_qscale <= 0 ||
2379 video_qscale > 255) {
2380 fprintf(stderr, "qscale must be > 0.0 and <= 255\n");
2385 static void opt_qsquish(const char *arg)
2387 video_qsquish = atof(arg);
2388 if (video_qsquish < 0.0 ||
2389 video_qsquish > 99.0) {
2390 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2395 static void opt_lmax(const char *arg)
2397 video_lmax = atof(arg)*FF_QP2LAMBDA;
2400 static void opt_lmin(const char *arg)
2402 video_lmin = atof(arg)*FF_QP2LAMBDA;
2405 static void opt_qmin(const char *arg)
2407 video_qmin = atoi(arg);
2408 if (video_qmin < 1 ||
2410 fprintf(stderr, "qmin must be >= 1 and <= 51\n");
2415 static void opt_qmax(const char *arg)
2417 video_qmax = atoi(arg);
2418 if (video_qmax < 1 ||
2420 fprintf(stderr, "qmax must be >= 1 and <= 51\n");
2425 static void opt_mb_lmin(const char *arg)
2427 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2428 if (video_mb_lmin < 1 ||
2429 video_mb_lmin > FF_LAMBDA_MAX) {
2430 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2435 static void opt_mb_lmax(const char *arg)
2437 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2438 if (video_mb_lmax < 1 ||
2439 video_mb_lmax > FF_LAMBDA_MAX) {
2440 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2445 static void opt_qdiff(const char *arg)
2447 video_qdiff = atoi(arg);
2448 if (video_qdiff < 0 ||
2450 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2455 static void opt_qblur(const char *arg)
2457 video_qblur = atof(arg);
2460 static void opt_qcomp(const char *arg)
2462 video_qcomp = atof(arg);
2465 static void opt_rc_initial_cplx(const char *arg)
2467 video_rc_initial_cplx = atof(arg);
2469 static void opt_b_qfactor(const char *arg)
2471 video_b_qfactor = atof(arg);
2473 static void opt_i_qfactor(const char *arg)
2475 video_i_qfactor = atof(arg);
2477 static void opt_b_qoffset(const char *arg)
2479 video_b_qoffset = atof(arg);
2481 static void opt_i_qoffset(const char *arg)
2483 video_i_qoffset = atof(arg);
2486 static void opt_ibias(const char *arg)
2488 video_intra_quant_bias = atoi(arg);
2490 static void opt_pbias(const char *arg)
2492 video_inter_quant_bias = atoi(arg);
2495 static void opt_packet_size(const char *arg)
2497 packet_size= atoi(arg);
2500 static void opt_error_rate(const char *arg)
2502 error_rate= atoi(arg);
2505 static void opt_strict(const char *arg)
2510 static void opt_top_field_first(const char *arg)
2512 top_field_first= atoi(arg);
2515 static void opt_sc_threshold(const char *arg)
2517 sc_threshold= atoi(arg);
2520 static void opt_me_range(const char *arg)
2522 me_range = atoi(arg);
2525 static void opt_thread_count(const char *arg)
2527 thread_count= atoi(arg);
2528 #if !defined(HAVE_THREADS)
2530 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2534 static void opt_audio_bitrate(const char *arg)
2536 audio_bit_rate = atoi(arg) * 1000;
2539 static void opt_audio_rate(const char *arg)
2541 audio_sample_rate = atoi(arg);
2544 static void opt_audio_channels(const char *arg)
2546 audio_channels = atoi(arg);
2549 static void opt_video_device(const char *arg)
2551 video_device = av_strdup(arg);
2554 static void opt_grab_device(const char *arg)
2556 grab_device = av_strdup(arg);
2559 static void opt_video_channel(const char *arg)
2561 video_channel = strtol(arg, NULL, 0);
2564 static void opt_video_standard(const char *arg)
2566 video_standard = av_strdup(arg);
2569 static void opt_audio_device(const char *arg)
2571 audio_device = av_strdup(arg);
2574 static void opt_codec(int *pstream_copy, int *pcodec_id,
2575 int codec_type, const char *arg)
2579 if (!strcmp(arg, "copy")) {
2584 if (!strcmp(p->name, arg) && p->type == codec_type)
2589 fprintf(stderr, "Unknown codec '%s'\n", arg);
2597 static void opt_audio_codec(const char *arg)
2599 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2602 static void opt_audio_tag(const char *arg)
2605 audio_codec_tag= strtol(arg, &tail, 0);
2608 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2611 static void opt_video_tag(const char *arg)
2614 video_codec_tag= strtol(arg, &tail, 0);
2617 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2620 static void add_frame_hooker(const char *arg)
2625 char *args = av_strdup(arg);
2629 argv[0] = strtok(args, " ");
2630 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2633 i = frame_hook_add(argc, argv);
2636 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2641 const char *motion_str[] = {
2654 static void opt_motion_estimation(const char *arg)
2660 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2663 if (!strcmp(*p, arg))
2667 me_method = (p - motion_str) + 1;
2670 static void opt_video_codec(const char *arg)
2672 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2675 static void opt_subtitle_codec(const char *arg)
2677 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2680 static void opt_map(const char *arg)
2686 m = &stream_maps[nb_stream_maps++];
2688 m->file_index = strtol(arg, (char **)&p, 0);
2692 m->stream_index = strtol(p, (char **)&p, 0);
2695 m->sync_file_index = strtol(p, (char **)&p, 0);
2698 m->sync_stream_index = strtol(p, (char **)&p, 0);
2700 m->sync_file_index = m->file_index;
2701 m->sync_stream_index = m->stream_index;
2705 static void opt_map_meta_data(const char *arg)
2711 m = &meta_data_maps[nb_meta_data_maps++];
2713 m->out_file = strtol(arg, (char **)&p, 0);
2717 m->in_file = strtol(p, (char **)&p, 0);
2720 static void opt_recording_time(const char *arg)
2722 recording_time = parse_date(arg, 1);
2725 static void opt_start_time(const char *arg)
2727 start_time = parse_date(arg, 1);
2730 static void opt_rec_timestamp(const char *arg)
2732 rec_timestamp = parse_date(arg, 0) / 1000000;
2735 static void opt_input_ts_offset(const char *arg)
2737 input_ts_offset = parse_date(arg, 1);
2740 static void opt_input_file(const char *filename)
2742 AVFormatContext *ic;
2743 AVFormatParameters params, *ap = ¶ms;
2744 int err, i, ret, rfps, rfps_base;
2747 if (!strcmp(filename, "-"))
2750 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2751 !strcmp( filename, "/dev/stdin" );
2753 /* get default parameters from command line */
2754 ic = av_alloc_format_context();
2756 memset(ap, 0, sizeof(*ap));
2757 ap->prealloced_context = 1;
2758 ap->sample_rate = audio_sample_rate;
2759 ap->channels = audio_channels;
2760 ap->time_base.den = frame_rate;
2761 ap->time_base.num = frame_rate_base;
2762 ap->width = frame_width + frame_padleft + frame_padright;
2763 ap->height = frame_height + frame_padtop + frame_padbottom;
2764 ap->image_format = image_format;
2765 ap->pix_fmt = frame_pix_fmt;
2766 ap->device = grab_device;
2767 ap->channel = video_channel;
2768 ap->standard = video_standard;
2769 ap->video_codec_id = video_codec_id;
2770 ap->audio_codec_id = audio_codec_id;
2771 if(pgmyuv_compatibility_hack)
2772 ap->video_codec_id= CODEC_ID_PGMYUV;
2774 for(i=0; i<opt_name_count; i++){
2776 double d= av_get_double(avformat_opts, opt_names[i], &opt);
2777 if(d==d && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2778 av_set_double(ic, opt_names[i], d);
2780 /* open the input file with generic libav function */
2781 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2783 print_error(filename, err);
2787 ic->loop_input = loop_input;
2789 /* If not enough info to get the stream parameters, we decode the
2790 first frames to get it. (used in mpeg case for example) */
2791 ret = av_find_stream_info(ic);
2792 if (ret < 0 && verbose >= 0) {
2793 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2797 timestamp = start_time;
2798 /* add the stream start time */
2799 if (ic->start_time != AV_NOPTS_VALUE)
2800 timestamp += ic->start_time;
2802 /* if seeking requested, we execute it */
2803 if (start_time != 0) {
2804 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2806 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2807 filename, (double)timestamp / AV_TIME_BASE);
2809 /* reset seek info */
2813 /* update the current parameters so that they match the one of the input stream */
2814 for(i=0;i<ic->nb_streams;i++) {
2816 AVCodecContext *enc = ic->streams[i]->codec;
2817 #if defined(HAVE_THREADS)
2819 avcodec_thread_init(enc, thread_count);
2821 enc->thread_count= thread_count;
2822 switch(enc->codec_type) {
2823 case CODEC_TYPE_AUDIO:
2824 for(j=0; j<opt_name_count; j++){
2826 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2827 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2828 av_set_double(enc, opt_names[j], d);
2830 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2831 audio_channels = enc->channels;
2832 audio_sample_rate = enc->sample_rate;
2834 ic->streams[i]->discard= AVDISCARD_ALL;
2836 case CODEC_TYPE_VIDEO:
2837 for(j=0; j<opt_name_count; j++){
2839 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2840 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2841 av_set_double(enc, opt_names[j], d);
2843 frame_height = enc->height;
2844 frame_width = enc->width;
2845 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2846 frame_pix_fmt = enc->pix_fmt;
2847 rfps = ic->streams[i]->r_frame_rate.num;
2848 rfps_base = ic->streams[i]->r_frame_rate.den;
2849 enc->workaround_bugs = workaround_bugs;
2850 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2852 enc->debug |= FF_DEBUG_MV;
2854 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2857 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2858 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2860 (float)rfps / rfps_base, rfps, rfps_base);
2862 /* update the current frame rate to match the stream frame rate */
2864 frame_rate_base = rfps_base;
2866 enc->rate_emu = rate_emu;
2868 ic->streams[i]->discard= AVDISCARD_ALL;
2869 else if(video_discard)
2870 ic->streams[i]->discard= video_discard;
2872 case CODEC_TYPE_DATA:
2874 case CODEC_TYPE_SUBTITLE:
2876 case CODEC_TYPE_UNKNOWN:
2883 input_files[nb_input_files] = ic;
2884 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2885 /* dump the file content */
2887 dump_format(ic, nb_input_files, filename, 0);
2890 file_iformat = NULL;
2891 file_oformat = NULL;
2892 image_format = NULL;
2900 static void opt_grab(const char *arg)
2902 file_iformat = av_find_input_format(arg);
2906 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
2908 int has_video, has_audio, i, j;
2909 AVFormatContext *ic;
2913 for(j=0;j<nb_input_files;j++) {
2914 ic = input_files[j];
2915 for(i=0;i<ic->nb_streams;i++) {
2916 AVCodecContext *enc = ic->streams[i]->codec;
2917 switch(enc->codec_type) {
2918 case CODEC_TYPE_AUDIO:
2921 case CODEC_TYPE_VIDEO:
2924 case CODEC_TYPE_DATA:
2925 case CODEC_TYPE_UNKNOWN:
2926 case CODEC_TYPE_SUBTITLE:
2933 *has_video_ptr = has_video;
2934 *has_audio_ptr = has_audio;
2937 static void new_video_stream(AVFormatContext *oc)
2940 AVCodecContext *video_enc;
2943 st = av_new_stream(oc, oc->nb_streams);
2945 fprintf(stderr, "Could not alloc stream\n");
2948 bitstream_filters[nb_output_files][oc->nb_streams - 1]= video_bitstream_filters;
2949 video_bitstream_filters= NULL;
2951 #if defined(HAVE_THREADS)
2953 avcodec_thread_init(st->codec, thread_count);
2956 video_enc = st->codec;
2959 video_enc->codec_tag= video_codec_tag;
2961 if( (video_global_header&1)
2962 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
2963 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
2964 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
2966 if(video_global_header&2){
2967 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
2968 avctx_opts->flags2|= CODEC_FLAG2_LOCAL_HEADER;
2971 if (video_stream_copy) {
2972 st->stream_copy = 1;
2973 video_enc->codec_type = CODEC_TYPE_VIDEO;
2979 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
2980 if (video_codec_id != CODEC_ID_NONE)
2981 codec_id = video_codec_id;
2983 video_enc->codec_id = codec_id;
2984 codec = avcodec_find_encoder(codec_id);
2986 for(i=0; i<opt_name_count; i++){
2988 double d= av_get_double(avctx_opts, opt_names[i], &opt);
2989 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
2990 av_set_double(video_enc, opt_names[i], d);
2993 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
2994 video_enc->time_base.den = frame_rate;
2995 video_enc->time_base.num = frame_rate_base;
2996 if(codec && codec->supported_framerates){
2997 const AVRational *p= codec->supported_framerates;
2998 AVRational req= (AVRational){frame_rate, frame_rate_base};
2999 const AVRational *best=NULL;
3000 AVRational best_error= (AVRational){INT_MAX, 1};
3001 for(; p->den!=0; p++){
3002 AVRational error= av_sub_q(req, *p);
3003 if(error.num <0) error.num *= -1;
3004 if(av_cmp_q(error, best_error) < 0){
3009 video_enc->time_base.den= best->num;
3010 video_enc->time_base.num= best->den;
3013 video_enc->width = frame_width + frame_padright + frame_padleft;
3014 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3015 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*video_enc->height/video_enc->width, 255);
3016 video_enc->pix_fmt = frame_pix_fmt;
3018 if(codec && codec->pix_fmts){
3019 const enum PixelFormat *p= codec->pix_fmts;
3021 if(*p == video_enc->pix_fmt)
3025 video_enc->pix_fmt = codec->pix_fmts[0];
3029 video_enc->gop_size = 0;
3030 if (video_qscale || same_quality) {
3031 video_enc->flags |= CODEC_FLAG_QSCALE;
3032 video_enc->global_quality=
3033 st->quality = FF_QP2LAMBDA * video_qscale;
3037 video_enc->intra_matrix = intra_matrix;
3039 video_enc->inter_matrix = inter_matrix;
3042 video_enc->max_b_frames = b_frames;
3043 video_enc->b_quant_factor = 2.0;
3045 video_enc->qmin = video_qmin;
3046 video_enc->qmax = video_qmax;
3047 video_enc->lmin = video_lmin;
3048 video_enc->lmax = video_lmax;
3049 video_enc->rc_qsquish = video_qsquish;
3050 video_enc->mb_lmin = video_mb_lmin;
3051 video_enc->mb_lmax = video_mb_lmax;
3052 video_enc->max_qdiff = video_qdiff;
3053 video_enc->qblur = video_qblur;
3054 video_enc->qcompress = video_qcomp;
3055 video_enc->rc_eq = video_rc_eq;
3056 video_enc->workaround_bugs = workaround_bugs;
3057 video_enc->thread_count = thread_count;
3058 p= video_rc_override_string;
3061 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3063 fprintf(stderr, "error parsing rc_override\n");
3066 video_enc->rc_override=
3067 av_realloc(video_enc->rc_override,
3068 sizeof(RcOverride)*(i+1));
3069 video_enc->rc_override[i].start_frame= start;
3070 video_enc->rc_override[i].end_frame = end;
3072 video_enc->rc_override[i].qscale= q;
3073 video_enc->rc_override[i].quality_factor= 1.0;
3076 video_enc->rc_override[i].qscale= 0;
3077 video_enc->rc_override[i].quality_factor= -q/100.0;
3082 video_enc->rc_override_count=i;
3084 video_enc->rc_buffer_size = video_rc_buffer_size;
3085 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3086 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3087 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3088 video_enc->i_quant_factor = video_i_qfactor;
3089 video_enc->b_quant_factor = video_b_qfactor;
3090 video_enc->i_quant_offset = video_i_qoffset;
3091 video_enc->b_quant_offset = video_b_qoffset;
3092 video_enc->intra_quant_bias = video_intra_quant_bias;
3093 video_enc->inter_quant_bias = video_inter_quant_bias;
3094 video_enc->me_threshold= me_threshold;
3095 video_enc->mb_threshold= mb_threshold;
3096 video_enc->intra_dc_precision= intra_dc_precision - 8;
3097 video_enc->strict_std_compliance = strict;
3098 video_enc->error_rate = error_rate;
3099 video_enc->scenechange_threshold= sc_threshold;
3100 video_enc->me_range = me_range;
3101 video_enc->me_penalty_compensation= me_penalty_compensation;
3102 video_enc->frame_skip_threshold= frame_skip_threshold;
3103 video_enc->frame_skip_factor= frame_skip_factor;
3104 video_enc->frame_skip_exp= frame_skip_exp;
3107 video_enc->rtp_mode= 1;
3108 video_enc->rtp_payload_size= packet_size;
3112 video_enc->flags|= CODEC_FLAG_PSNR;
3114 video_enc->me_method = me_method;
3119 video_enc->flags |= CODEC_FLAG_PASS1;
3121 video_enc->flags |= CODEC_FLAG_PASS2;
3126 /* reset some key parameters */
3128 video_codec_id = CODEC_ID_NONE;
3129 video_stream_copy = 0;
3132 static void new_audio_stream(AVFormatContext *oc)
3135 AVCodecContext *audio_enc;
3138 st = av_new_stream(oc, oc->nb_streams);
3140 fprintf(stderr, "Could not alloc stream\n");
3144 bitstream_filters[nb_output_files][oc->nb_streams - 1]= audio_bitstream_filters;
3145 audio_bitstream_filters= NULL;
3147 #if defined(HAVE_THREADS)
3149 avcodec_thread_init(st->codec, thread_count);
3152 audio_enc = st->codec;
3153 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3156 audio_enc->codec_tag= audio_codec_tag;
3158 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3159 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3160 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3162 if (audio_stream_copy) {
3163 st->stream_copy = 1;
3164 audio_enc->channels = audio_channels;
3166 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3168 for(i=0; i<opt_name_count; i++){
3170 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3171 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3172 av_set_double(audio_enc, opt_names[i], d);
3175 if (audio_codec_id != CODEC_ID_NONE)
3176 codec_id = audio_codec_id;
3177 audio_enc->codec_id = codec_id;
3179 audio_enc->bit_rate = audio_bit_rate;
3180 if (audio_qscale > QSCALE_NONE) {
3181 audio_enc->flags |= CODEC_FLAG_QSCALE;
3182 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3184 audio_enc->strict_std_compliance = strict;
3185 audio_enc->thread_count = thread_count;
3186 /* For audio codecs other than AC3 or DTS we limit */
3187 /* the number of coded channels to stereo */
3188 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3189 && codec_id != CODEC_ID_DTS) {
3190 audio_enc->channels = 2;
3192 audio_enc->channels = audio_channels;
3194 audio_enc->sample_rate = audio_sample_rate;
3195 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3196 if (audio_language) {
3197 pstrcpy(st->language, sizeof(st->language), audio_language);
3198 av_free(audio_language);
3199 audio_language = NULL;
3202 /* reset some key parameters */
3204 audio_codec_id = CODEC_ID_NONE;
3205 audio_stream_copy = 0;
3208 static void opt_new_subtitle_stream(void)
3210 AVFormatContext *oc;
3212 AVCodecContext *subtitle_enc;
3215 if (nb_output_files <= 0) {
3216 fprintf(stderr, "At least one output file must be specified\n");
3219 oc = output_files[nb_output_files - 1];
3221 st = av_new_stream(oc, oc->nb_streams);
3223 fprintf(stderr, "Could not alloc stream\n");
3227 subtitle_enc = st->codec;
3228 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3229 if (subtitle_stream_copy) {
3230 st->stream_copy = 1;
3232 for(i=0; i<opt_name_count; i++){
3234 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3235 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3236 av_set_double(subtitle_enc, opt_names[i], d);
3238 subtitle_enc->codec_id = subtitle_codec_id;
3241 if (subtitle_language) {
3242 pstrcpy(st->language, sizeof(st->language), subtitle_language);
3243 av_free(subtitle_language);
3244 subtitle_language = NULL;
3247 subtitle_codec_id = CODEC_ID_NONE;
3248 subtitle_stream_copy = 0;
3251 static void opt_new_audio_stream(void)
3253 AVFormatContext *oc;
3254 if (nb_output_files <= 0) {
3255 fprintf(stderr, "At least one output file must be specified\n");
3258 oc = output_files[nb_output_files - 1];
3259 new_audio_stream(oc);
3262 static void opt_new_video_stream(void)
3264 AVFormatContext *oc;
3265 if (nb_output_files <= 0) {
3266 fprintf(stderr, "At least one output file must be specified\n");
3269 oc = output_files[nb_output_files - 1];
3270 new_video_stream(oc);
3273 static void opt_output_file(const char *filename)
3275 AVFormatContext *oc;
3276 int use_video, use_audio, input_has_video, input_has_audio, i;
3277 AVFormatParameters params, *ap = ¶ms;
3279 if (!strcmp(filename, "-"))
3282 oc = av_alloc_format_context();
3284 if (!file_oformat) {
3285 file_oformat = guess_format(NULL, filename, NULL);
3286 if (!file_oformat) {
3287 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3293 oc->oformat = file_oformat;
3294 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3296 if (!strcmp(file_oformat->name, "ffm") &&
3297 strstart(filename, "http:", NULL)) {
3298 /* special case for files sent to ffserver: we get the stream
3299 parameters from ffserver */
3300 if (read_ffserver_streams(oc, filename) < 0) {
3301 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3305 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3306 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3308 /* disable if no corresponding type found and at least one
3310 if (nb_input_files > 0) {
3311 check_audio_video_inputs(&input_has_video, &input_has_audio);
3312 if (!input_has_video)
3314 if (!input_has_audio)
3318 /* manual disable */
3319 if (audio_disable) {
3322 if (video_disable) {
3327 new_video_stream(oc);
3331 new_audio_stream(oc);
3334 if (!oc->nb_streams) {
3335 fprintf(stderr, "No audio or video streams available\n");
3339 oc->timestamp = rec_timestamp;
3342 pstrcpy(oc->title, sizeof(oc->title), str_title);
3344 pstrcpy(oc->author, sizeof(oc->author), str_author);
3346 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3348 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3350 pstrcpy(oc->album, sizeof(oc->album), str_album);
3353 output_files[nb_output_files++] = oc;
3355 /* check filename in case of an image number is expected */
3356 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3357 if (!av_filename_number_test(oc->filename)) {
3358 print_error(oc->filename, AVERROR_NUMEXPECTED);
3363 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3364 /* test if it already exists to avoid loosing precious files */
3365 if (!file_overwrite &&
3366 (strchr(filename, ':') == NULL ||
3367 strstart(filename, "file:", NULL))) {
3368 if (url_exist(filename)) {
3371 if ( !using_stdin ) {
3372 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3375 if (toupper(c) != 'Y') {
3376 fprintf(stderr, "Not overwriting - exiting\n");
3381 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3388 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3389 fprintf(stderr, "Could not open '%s'\n", filename);
3394 memset(ap, 0, sizeof(*ap));
3395 ap->image_format = image_format;
3396 if (av_set_parameters(oc, ap) < 0) {
3397 fprintf(stderr, "%s: Invalid encoding parameters\n",
3402 oc->packet_size= mux_packet_size;
3403 oc->mux_rate= mux_rate;
3404 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3405 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3406 oc->loop_output = loop_output;
3408 for(i=0; i<opt_name_count; i++){
3410 double d = av_get_double(avformat_opts, opt_names[i], &opt);
3411 if(d==d && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3412 av_set_double(oc, opt_names[i], d);
3415 /* reset some options */
3416 file_oformat = NULL;
3417 file_iformat = NULL;
3418 image_format = NULL;
3421 /* prepare dummy protocols for grab */
3422 static void prepare_grab(void)
3424 int has_video, has_audio, i, j;
3425 AVFormatContext *oc;
3426 AVFormatContext *ic;
3427 AVFormatParameters vp1, *vp = &vp1;
3428 AVFormatParameters ap1, *ap = &ap1;
3430 /* see if audio/video inputs are needed */
3433 memset(ap, 0, sizeof(*ap));
3434 memset(vp, 0, sizeof(*vp));
3435 vp->time_base.num= 1;
3436 for(j=0;j<nb_output_files;j++) {
3437 oc = output_files[j];
3438 for(i=0;i<oc->nb_streams;i++) {
3439 AVCodecContext *enc = oc->streams[i]->codec;
3440 switch(enc->codec_type) {
3441 case CODEC_TYPE_AUDIO:
3442 if (enc->sample_rate > ap->sample_rate)
3443 ap->sample_rate = enc->sample_rate;
3444 if (enc->channels > ap->channels)
3445 ap->channels = enc->channels;
3448 case CODEC_TYPE_VIDEO:
3449 if (enc->width > vp->width)
3450 vp->width = enc->width;
3451 if (enc->height > vp->height)
3452 vp->height = enc->height;
3454 if (vp->time_base.num*(int64_t)enc->time_base.den > enc->time_base.num*(int64_t)vp->time_base.den){
3455 vp->time_base = enc->time_base;
3456 vp->width += frame_leftBand + frame_rightBand;
3457 vp->width -= (frame_padleft + frame_padright);
3458 vp->height += frame_topBand + frame_bottomBand;
3459 vp->height -= (frame_padtop + frame_padbottom);
3469 if (has_video == 0 && has_audio == 0) {
3470 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3475 AVInputFormat *fmt1;
3476 fmt1 = av_find_input_format(video_grab_format);
3477 vp->device = video_device;
3478 vp->channel = video_channel;
3479 vp->standard = video_standard;
3480 vp->pix_fmt = frame_pix_fmt;
3481 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3482 fprintf(stderr, "Could not find video grab device\n");
3485 /* If not enough info to get the stream parameters, we decode the
3486 first frames to get it. */
3487 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3488 fprintf(stderr, "Could not find video grab parameters\n");
3491 /* by now video grab has one stream */
3492 ic->streams[0]->r_frame_rate.num = vp->time_base.den;
3493 ic->streams[0]->r_frame_rate.den = vp->time_base.num;
3494 input_files[nb_input_files] = ic;
3497 dump_format(ic, nb_input_files, "", 0);
3501 if (has_audio && audio_grab_format) {
3502 AVInputFormat *fmt1;
3503 fmt1 = av_find_input_format(audio_grab_format);
3504 ap->device = audio_device;
3505 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
3506 fprintf(stderr, "Could not find audio grab device\n");
3509 input_files[nb_input_files] = ic;
3512 dump_format(ic, nb_input_files, "", 0);
3518 /* same option as mencoder */
3519 static void opt_pass(const char *pass_str)
3522 pass = atoi(pass_str);
3523 if (pass != 1 && pass != 2) {
3524 fprintf(stderr, "pass number can be only 1 or 2\n");
3530 #if defined(__MINGW32__) || defined(CONFIG_OS2)
3531 static int64_t getutime(void)
3533 return av_gettime();
3536 static int64_t getutime(void)
3538 struct rusage rusage;
3540 getrusage(RUSAGE_SELF, &rusage);
3541 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3545 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3546 extern int ffm_nopts;
3549 static void show_formats(void)
3551 AVInputFormat *ifmt;
3552 AVOutputFormat *ofmt;
3553 AVImageFormat *image_fmt;
3556 const char **pp, *last_name;
3558 printf("File formats:\n");
3563 const char *name=NULL;
3564 const char *long_name=NULL;
3566 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3567 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3568 strcmp(ofmt->name, last_name)>0){
3570 long_name= ofmt->long_name;
3574 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3575 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3576 strcmp(ifmt->name, last_name)>0){
3578 long_name= ifmt->long_name;
3581 if(name && strcmp(ifmt->name, name)==0)
3593 long_name ? long_name:" ");
3597 printf("Image formats (filename extensions, if any, follow):\n");
3598 for(image_fmt = first_image_format; image_fmt != NULL;
3599 image_fmt = image_fmt->next) {
3602 image_fmt->img_read ? "D":" ",
3603 image_fmt->img_write ? "E":" ",
3605 image_fmt->extensions ? image_fmt->extensions:" ");
3609 printf("Codecs:\n");
3615 const char *type_str;
3618 for(p = first_avcodec; p != NULL; p = p->next) {
3619 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3620 strcmp(p->name, last_name)>0){
3622 decode= encode= cap=0;
3624 if(p2 && strcmp(p->name, p2->name)==0){
3625 if(p->decode) decode=1;
3626 if(p->encode) encode=1;
3627 cap |= p->capabilities;
3632 last_name= p2->name;
3635 case CODEC_TYPE_VIDEO:
3638 case CODEC_TYPE_AUDIO:
3641 case CODEC_TYPE_SUBTITLE:
3650 decode ? "D": (/*p2->decoder ? "d":*/" "),
3653 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3654 cap & CODEC_CAP_DR1 ? "D":" ",
3655 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3657 /* if(p2->decoder && decode==0)
3658 printf(" use %s for decoding", p2->decoder->name);*/
3663 printf("Supported file protocols:\n");
3664 for(up = first_protocol; up != NULL; up = up->next)
3665 printf(" %s:", up->name);
3668 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3669 printf("Motion estimation methods:\n");
3673 if ((pp - motion_str + 1) == ME_ZERO)
3674 printf("(fastest)");
3675 else if ((pp - motion_str + 1) == ME_FULL)
3676 printf("(slowest)");
3677 else if ((pp - motion_str + 1) == ME_EPZS)
3678 printf("(default)");
3683 "Note, the names of encoders and decoders dont always match, so there are\n"
3684 "several cases where the above table shows encoder only or decoder only entries\n"
3685 "even though both encoding and decoding are supported for example, the h263\n"
3686 "decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3691 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3694 const char *p = str;
3701 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3708 static void opt_inter_matrix(const char *arg)
3710 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3711 parse_matrix_coeffs(inter_matrix, arg);
3714 static void opt_intra_matrix(const char *arg)
3716 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3717 parse_matrix_coeffs(intra_matrix, arg);
3720 static void opt_target(const char *arg)
3723 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3725 if(!strncmp(arg, "pal-", 4)) {
3728 } else if(!strncmp(arg, "ntsc-", 5)) {
3731 } else if(!strncmp(arg, "film-", 5)) {
3736 /* Calculate FR via float to avoid int overflow */
3737 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
3740 } else if((fr == 29970) || (fr == 23976)) {
3743 /* Try to determine PAL/NTSC by peeking in the input files */
3744 if(nb_input_files) {
3746 for(j = 0; j < nb_input_files; j++) {
3747 for(i = 0; i < input_files[j]->nb_streams; i++) {
3748 AVCodecContext *c = input_files[j]->streams[i]->codec;
3749 if(c->codec_type != CODEC_TYPE_VIDEO)
3751 fr = c->time_base.den * 1000 / c->time_base.num;
3755 } else if((fr == 29970) || (fr == 23976)) {
3765 if(verbose && norm >= 0)
3766 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3770 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3771 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3772 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3776 if(!strcmp(arg, "vcd")) {
3778 opt_video_codec("mpeg1video");
3779 opt_audio_codec("mp2");
3782 opt_frame_size(norm ? "352x240" : "352x288");
3783 opt_frame_rate(frame_rates[norm]);
3784 opt_default("gop", norm ? "18" : "15");
3786 opt_default("b", "1150000");
3787 opt_default("maxrate", "1150000");
3788 opt_default("minrate", "1150000");
3789 video_rc_buffer_size = 40*1024*8;
3791 audio_bit_rate = 224000;
3792 audio_sample_rate = 44100;
3794 mux_packet_size= 2324;
3795 mux_rate= 2352 * 75 * 8;
3797 /* We have to offset the PTS, so that it is consistent with the SCR.
3798 SCR starts at 36000, but the first two packs contain only padding
3799 and the first pack from the other stream, respectively, may also have
3800 been written before.
3801 So the real data starts at SCR 36000+3*1200. */
3802 mux_preload= (36000+3*1200) / 90000.0; //0.44
3803 } else if(!strcmp(arg, "svcd")) {
3805 opt_video_codec("mpeg2video");
3806 opt_audio_codec("mp2");
3809 opt_frame_size(norm ? "480x480" : "480x576");
3810 opt_frame_rate(frame_rates[norm]);
3811 opt_default("gop", norm ? "18" : "15");
3813 opt_default("b", "2040000");
3814 opt_default("maxrate", "2516000");
3815 opt_default("minrate", "0"); //1145000;
3816 video_rc_buffer_size = 224*1024*8;
3817 opt_default("flags", "+SCAN_OFFSET");
3820 audio_bit_rate = 224000;
3821 audio_sample_rate = 44100;
3823 mux_packet_size= 2324;
3825 } else if(!strcmp(arg, "dvd")) {
3827 opt_video_codec("mpeg2video");
3828 opt_audio_codec("ac3");
3831 opt_frame_size(norm ? "720x480" : "720x576");
3832 opt_frame_rate(frame_rates[norm]);
3833 opt_default("gop", norm ? "18" : "15");
3835 opt_default("b", "6000000");
3836 opt_default("maxrate", "9000000");
3837 opt_default("minrate", "0"); //1500000;
3838 video_rc_buffer_size = 224*1024*8;
3840 mux_packet_size= 2048; // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3841 mux_rate = 10080000; // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3843 audio_bit_rate = 448000;
3844 audio_sample_rate = 48000;
3846 } else if(!strncmp(arg, "dv", 2)) {
3850 opt_frame_size(norm ? "720x480" : "720x576");
3851 opt_frame_pix_fmt(!strncmp(arg, "dv50", 4) ? "yuv422p" :
3852 (norm ? "yuv411p" : "yuv420p"));
3853 opt_frame_rate(frame_rates[norm]);
3855 audio_sample_rate = 48000;
3859 fprintf(stderr, "Unknown target: %s\n", arg);
3864 static void opt_video_bsf(const char *arg)
3866 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3867 AVBitStreamFilterContext **bsfp;
3870 fprintf(stderr, "Unkown bitstream filter %s\n", arg);
3874 bsfp= &video_bitstream_filters;
3876 bsfp= &(*bsfp)->next;
3881 //FIXME avoid audio - video code duplication
3882 static void opt_audio_bsf(const char *arg)
3884 AVBitStreamFilterContext *bsfc= av_bitstream_filter_init(arg); //FIXME split name and args for filter at '='
3885 AVBitStreamFilterContext **bsfp;
3888 fprintf(stderr, "Unkown bitstream filter %s\n", arg);
3892 bsfp= &audio_bitstream_filters;
3894 bsfp= &(*bsfp)->next;
3899 static void show_version(void)
3901 /* TODO: add function interface to avutil and avformat */
3902 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3906 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3910 static int opt_default(const char *opt, const char *arg){
3911 AVOption *o= av_set_string(avctx_opts, opt, arg);
3913 o = av_set_string(avformat_opts, opt, arg);
3917 // 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));
3919 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3920 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3921 opt_names[opt_name_count++]= o->name;
3923 #if defined(CONFIG_FFM_DEMUXER) || defined(CONFIG_FFM_MUXER)
3924 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3925 if(avctx_opts->flags & CODEC_FLAG_BITEXACT)
3929 if(avctx_opts->debug)
3930 av_log_set_level(AV_LOG_DEBUG);
3934 const OptionDef options[] = {
3936 { "L", 0, {(void*)show_license}, "show license" },
3937 { "h", 0, {(void*)show_help}, "show help" },
3938 { "version", 0, {(void*)show_version}, "show version" },
3939 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
3940 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
3941 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
3942 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
3943 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
3944 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
3945 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
3946 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
3947 { "fs", HAS_ARG | OPT_INT, {(void*)&limit_filesize}, "set the limit file size", "limit_size" }, //
3948 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
3949 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
3950 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
3951 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
3952 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
3953 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
3954 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
3955 { "album", HAS_ARG | OPT_STRING, {(void*)&str_album}, "set the album", "string" },
3956 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
3957 "add timings for benchmarking" },
3958 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
3959 "dump each input packet" },
3960 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
3961 "when dumping packets, also dump the payload" },
3962 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
3963 { "loop_input", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
3964 { "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)", "" },
3965 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
3966 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"dv50\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
3967 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
3968 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
3969 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
3970 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
3971 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
3972 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
3973 { "dts_delta_threshold", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&dts_delta_threshold}, "timestamp discontinuity delta threshold", "" },
3976 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
3977 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
3978 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
3979 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
3980 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
3981 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
3982 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
3983 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
3984 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
3985 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
3986 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
3987 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
3988 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
3989 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
3990 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
3991 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
3992 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
3993 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
3994 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
3995 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
3996 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
3997 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
3998 { "lmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmin}, "min video lagrange factor (VBR)", "lambda" },
3999 { "lmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmax}, "max video lagrange factor (VBR)", "lambda" },
4000 { "mblmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmin}, "min macroblock quantiser scale (VBR)", "q" },
4001 { "mblmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmax}, "max macroblock quantiser scale (VBR)", "q" },
4002 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
4003 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
4004 { "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" },
4005 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
4006 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
4007 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
4008 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
4009 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
4010 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
4011 { "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" },
4012 { "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" },
4013 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
4014 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4015 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
4016 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffer size (in kByte)", "size" },
4017 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4018 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
4020 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
4021 { "mb_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_threshold}, "macroblock threshold", "" },
4022 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
4023 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
4024 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
4025 { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
4026 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
4027 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4028 "use same video quality as source (implies VBR)" },
4029 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4030 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
4031 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4032 "deinterlace pictures" },
4033 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4034 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
4035 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
4036 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4037 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4038 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4039 { "sc_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sc_threshold}, "scene change threshold", "threshold" },
4040 { "me_range", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_range}, "limit motion vectors range (1023 for DivX player)", "range" },
4041 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4042 { "mepc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&me_penalty_compensation}, "motion estimation bitrate penalty compensation", "factor (1.0 = 256)" },
4043 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4044 { "skip_threshold", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_threshold}, "frame skip threshold", "threshold" },
4045 { "skip_factor", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_factor}, "frame skip factor", "factor" },
4046 { "skip_exp", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_exp}, "frame skip exponent", "exponent" },
4047 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4048 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4051 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
4052 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4053 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4054 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4055 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4056 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4057 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4058 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4059 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4060 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4062 /* subtitle options */
4063 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4064 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4065 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4068 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
4069 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4070 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4071 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
4073 /* G.2 grab options */
4074 { "grab", HAS_ARG | OPT_EXPERT | OPT_GRAB, {(void*)opt_grab}, "request grabbing using", "format" },
4075 { "gd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_grab_device}, "set grab device", "device" },
4078 { "muxrate", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_rate}, "set mux rate", "rate" },
4079 { "packetsize", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_packet_size}, "set packet size", "size" },
4080 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4081 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4083 { "absf", HAS_ARG | OPT_AUDIO | OPT_EXPERT, {(void*)opt_audio_bsf}, "", "bitstream filter" },
4084 { "vbsf", HAS_ARG | OPT_VIDEO | OPT_EXPERT, {(void*)opt_video_bsf}, "", "bitstream filter" },
4086 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4090 static void show_banner(void)
4092 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2004 Fabrice Bellard\n");
4093 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
4094 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
4095 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
4096 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
4097 fprintf(stderr, " built on " __DATE__ " " __TIME__);
4099 fprintf(stderr, ", gcc: " __VERSION__ "\n");
4101 fprintf(stderr, ", using a non-gcc compiler\n");
4105 static void show_license(void)
4110 "This program is free software; you can redistribute it and/or modify\n"
4111 "it under the terms of the GNU General Public License as published by\n"
4112 "the Free Software Foundation; either version 2 of the License, or\n"
4113 "(at your option) any later version.\n"
4115 "This program is distributed in the hope that it will be useful,\n"
4116 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4117 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
4118 "GNU General Public License for more details.\n"
4120 "You should have received a copy of the GNU General Public License\n"
4121 "along with this program; if not, write to the Free Software\n"
4122 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
4126 "This library is free software; you can redistribute it and/or\n"
4127 "modify it under the terms of the GNU Lesser General Public\n"
4128 "License as published by the Free Software Foundation; either\n"
4129 "version 2 of the License, or (at your option) any later version.\n"
4131 "This library is distributed in the hope that it will be useful,\n"
4132 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4133 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4134 "Lesser General Public License for more details.\n"
4136 "You should have received a copy of the GNU Lesser General Public\n"
4137 "License along with this library; if not, write to the Free Software\n"
4138 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
4144 static void show_help(void)
4147 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
4148 "Hyper fast Audio and Video encoder\n");
4150 show_help_options(options, "Main options:\n",
4151 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
4152 show_help_options(options, "\nVideo options:\n",
4153 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4155 show_help_options(options, "\nAdvanced Video options:\n",
4156 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4157 OPT_VIDEO | OPT_EXPERT);
4158 show_help_options(options, "\nAudio options:\n",
4159 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4161 show_help_options(options, "\nAdvanced Audio options:\n",
4162 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4163 OPT_AUDIO | OPT_EXPERT);
4164 show_help_options(options, "\nSubtitle options:\n",
4165 OPT_SUBTITLE | OPT_GRAB,
4167 show_help_options(options, "\nAudio/Video grab options:\n",
4170 show_help_options(options, "\nAdvanced options:\n",
4171 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4173 av_opt_show(avctx_opts, NULL);
4174 av_opt_show(avformat_opts, NULL);
4179 void parse_arg_file(const char *filename)
4181 opt_output_file(filename);
4184 int main(int argc, char **argv)
4191 avctx_opts= avcodec_alloc_context();
4192 avformat_opts = av_alloc_format_context();
4200 parse_options(argc, argv, options);
4202 /* file converter / grab */
4203 if (nb_output_files <= 0) {
4204 fprintf(stderr, "Must supply at least one output file\n");
4208 if (nb_input_files == 0) {
4214 av_encode(output_files, nb_output_files, input_files, nb_input_files,
4215 stream_maps, nb_stream_maps);
4216 ti = getutime() - ti;
4218 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4222 for(i=0;i<nb_output_files;i++) {
4223 /* maybe av_close_output_file ??? */
4224 AVFormatContext *s = output_files[i];
4226 if (!(s->oformat->flags & AVFMT_NOFILE))
4228 for(j=0;j<s->nb_streams;j++)
4229 av_free(s->streams[j]);
4232 for(i=0;i<nb_input_files;i++)
4233 av_close_input_file(input_files[i]);
4238 av_free(intra_matrix);
4240 av_free(inter_matrix);
4242 #ifdef POWERPC_PERFORMANCE_REPORT
4243 extern void powerpc_display_perf_report(void);
4244 powerpc_display_perf_report();
4245 #endif /* POWERPC_PERFORMANCE_REPORT */
4248 if (received_sigterm) {
4250 "Received signal %d: terminating.\n",
4251 (int) received_sigterm);
4255 exit(0); /* not all OS-es handle main() return value */