3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #define HAVE_AV_CONFIG_H
22 #include "framehook.h"
29 #include <sys/ioctl.h>
32 #include <sys/resource.h>
36 #include <sys/types.h>
37 #include <sys/select.h>
40 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
48 #if !defined(INFINITY) && defined(HUGE_VAL)
49 #define INFINITY HUGE_VAL
52 /* select an input stream for an output stream */
53 typedef struct AVStreamMap {
57 int sync_stream_index;
60 /** select an input file for an output file */
61 typedef struct AVMetaDataMap {
66 extern const OptionDef options[];
68 static void show_help(void);
69 static void show_license(void);
70 static int opt_default(const char *opt, const char *arg);
74 static AVFormatContext *input_files[MAX_FILES];
75 static int64_t input_files_ts_offset[MAX_FILES];
76 static int nb_input_files = 0;
78 static AVFormatContext *output_files[MAX_FILES];
79 static int nb_output_files = 0;
81 static AVStreamMap stream_maps[MAX_FILES];
82 static int nb_stream_maps;
84 static AVMetaDataMap meta_data_maps[MAX_FILES];
85 static int nb_meta_data_maps;
87 static AVInputFormat *file_iformat;
88 static AVOutputFormat *file_oformat;
89 static AVImageFormat *image_format;
90 static int frame_width = 0;
91 static int frame_height = 0;
92 static float frame_aspect_ratio = 0;
93 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
94 static int frame_padtop = 0;
95 static int frame_padbottom = 0;
96 static int frame_padleft = 0;
97 static int frame_padright = 0;
98 static int padcolor[3] = {16,128,128}; /* default to black */
99 static int frame_topBand = 0;
100 static int frame_bottomBand = 0;
101 static int frame_leftBand = 0;
102 static int frame_rightBand = 0;
103 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
104 static int frame_rate = 25;
105 static int frame_rate_base = 1;
106 static int video_bit_rate = 200*1000;
107 static int video_bit_rate_tolerance = 4000*1000;
108 static float video_qscale = 0;
109 static int video_qmin = 2;
110 static int video_qmax = 31;
111 static int video_lmin = 2*FF_QP2LAMBDA;
112 static int video_lmax = 31*FF_QP2LAMBDA;
113 static int video_mb_lmin = 2*FF_QP2LAMBDA;
114 static int video_mb_lmax = 31*FF_QP2LAMBDA;
115 static int video_qdiff = 3;
116 static float video_qblur = 0.5;
117 static float video_qsquish = 0.0;
118 static float video_qcomp = 0.5;
119 static uint16_t *intra_matrix = NULL;
120 static uint16_t *inter_matrix = NULL;
121 #if 0 //experimental, (can be removed)
122 static float video_rc_qsquish=1.0;
123 static float video_rc_qmod_amp=0;
124 static int video_rc_qmod_freq=0;
126 static char *video_rc_override_string=NULL;
127 static char *video_rc_eq="tex^qComp";
128 static int video_rc_buffer_size=0;
129 static float video_rc_buffer_aggressivity=1.0;
130 static int video_rc_max_rate=0;
131 static int video_rc_min_rate=0;
132 static float video_rc_initial_cplx=0;
133 static float video_b_qfactor = 1.25;
134 static float video_b_qoffset = 1.25;
135 static float video_i_qfactor = -0.8;
136 static float video_i_qoffset = 0.0;
137 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
138 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
139 static int me_method = ME_EPZS;
140 static int video_disable = 0;
141 static int video_discard = 0;
142 static int video_codec_id = CODEC_ID_NONE;
143 static int video_codec_tag = 0;
144 static int same_quality = 0;
145 static int b_frames = 0;
146 static int b_strategy = 0;
147 static int pre_me = 0;
148 static int do_deinterlace = 0;
149 static int workaround_bugs = FF_BUG_AUTODETECT;
150 static int packet_size = 0;
151 static int error_rate = 0;
152 static int strict = 0;
153 static int top_field_first = -1;
154 static int sc_threshold = 0;
155 static int me_threshold = 0;
156 static int mb_threshold = 0;
157 static int intra_dc_precision = 8;
158 static int me_penalty_compensation= 256;
159 static int frame_skip_threshold= 0;
160 static int frame_skip_factor= 0;
161 static int frame_skip_exp= 0;
162 extern int loop_input; /* currently a hack */
163 static int loop_output = AVFMT_NOOUTPUTLOOP;
164 static int genpts = 0;
166 static int gop_size = 12;
167 static int intra_only = 0;
168 static int audio_sample_rate = 44100;
169 static int audio_bit_rate = 64000;
170 #define QSCALE_NONE -99999
171 static float audio_qscale = QSCALE_NONE;
172 static int audio_disable = 0;
173 static int audio_channels = 1;
174 static int audio_codec_id = CODEC_ID_NONE;
175 static int audio_codec_tag = 0;
176 static char *audio_language = NULL;
178 static int subtitle_codec_id = CODEC_ID_NONE;
179 static char *subtitle_language = NULL;
181 static int mux_rate= 0;
182 static int mux_packet_size= 0;
183 static float mux_preload= 0.5;
184 static float mux_max_delay= 0.7;
186 static int64_t recording_time = 0;
187 static int64_t start_time = 0;
188 static int64_t rec_timestamp = 0;
189 static int64_t input_ts_offset = 0;
190 static int file_overwrite = 0;
191 static char *str_title = NULL;
192 static char *str_author = NULL;
193 static char *str_copyright = NULL;
194 static char *str_comment = NULL;
195 static int do_benchmark = 0;
196 static int do_hex_dump = 0;
197 static int do_pkt_dump = 0;
198 static int do_psnr = 0;
199 static int do_vstats = 0;
200 static int do_pass = 0;
201 static char *pass_logfilename = NULL;
202 static int audio_stream_copy = 0;
203 static int video_stream_copy = 0;
204 static int subtitle_stream_copy = 0;
205 static int video_sync_method= 1;
206 static int audio_sync_method= 0;
207 static int copy_ts= 0;
208 static int opt_shortest = 0; //
209 static int video_global_header = 0;
211 static int rate_emu = 0;
214 static char *video_grab_format = "bktr";
216 static char *video_grab_format = "video4linux";
218 static char *video_device = NULL;
219 static char *grab_device = NULL;
220 static int video_channel = 0;
221 static char *video_standard = "ntsc";
223 static char *audio_grab_format = "audio_device";
224 static char *audio_device = NULL;
225 static int audio_volume = 256;
227 static int using_stdin = 0;
228 static int using_vhook = 0;
229 static int verbose = 1;
230 static int thread_count= 1;
231 static int q_pressed = 0;
232 static int me_range = 0;
233 static int64_t video_size = 0;
234 static int64_t audio_size = 0;
235 static int64_t extra_size = 0;
236 static int nb_frames_dup = 0;
237 static int nb_frames_drop = 0;
238 static int input_sync;
239 static int limit_filesize = 0; //
241 static int pgmyuv_compatibility_hack=0;
243 const char **opt_names=NULL;
244 int opt_name_count=0;
245 AVCodecContext *avctx_opts;
248 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
250 struct AVInputStream;
252 typedef struct AVOutputStream {
253 int file_index; /* file index */
254 int index; /* stream index in the output file */
255 int source_index; /* AVInputStream index */
256 AVStream *st; /* stream in the output file */
257 int encoding_needed; /* true if encoding needed for this stream */
259 /* input pts and corresponding output pts
261 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
262 struct AVInputStream *sync_ist; /* input stream to sync against */
263 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
265 int video_resample; /* video_resample and video_crop are mutually exclusive */
266 AVFrame pict_tmp; /* temporary image for resampling */
267 ImgReSampleContext *img_resample_ctx; /* for image resampling */
269 int video_crop; /* video_resample and video_crop are mutually exclusive */
270 int topBand; /* cropping area sizes */
273 int video_pad; /* video_resample and video_pad are mutually exclusive */
274 int padtop; /* padding area sizes */
281 ReSampleContext *resample; /* for audio resampling */
282 FifoBuffer fifo; /* for compression: one audio fifo per codec */
286 typedef struct AVInputStream {
290 int discard; /* true if stream data should be discarded */
291 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
292 int64_t sample_index; /* current sample */
294 int64_t start; /* time when read started */
295 unsigned long frame; /* current frame */
296 int64_t next_pts; /* synthetic pts for cases where pkt.pts
298 int64_t pts; /* current pts */
299 int is_start; /* is 1 at the start and after a discontinuity */
302 typedef struct AVInputFile {
303 int eof_reached; /* true if eof reached */
304 int ist_index; /* index of first stream in ist_table */
305 int buffer_size; /* current total buffer size */
306 int buffer_size_max; /* buffer size at which we consider we can stop
308 int nb_streams; /* nb streams we are aware of */
313 /* init terminal so that we can grab keys */
314 static struct termios oldtty;
316 static void term_exit(void)
318 tcsetattr (0, TCSANOW, &oldtty);
321 static volatile sig_atomic_t received_sigterm = 0;
324 sigterm_handler(int sig)
326 received_sigterm = sig;
330 static void term_init(void)
337 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
338 |INLCR|IGNCR|ICRNL|IXON);
339 tty.c_oflag |= OPOST;
340 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
341 tty.c_cflag &= ~(CSIZE|PARENB);
346 tcsetattr (0, TCSANOW, &tty);
348 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
349 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
350 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
352 register a function to be called at normal program termination
355 #ifdef CONFIG_BEOS_NETSERVER
356 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
360 /* read a key without blocking */
361 static int read_key(void)
365 #ifndef CONFIG_BEOS_NETSERVER
373 n = select(1, &rfds, NULL, NULL, &tv);
385 static int decode_interrupt_cb(void)
387 return q_pressed || (q_pressed = read_key() == 'q');
392 static volatile int received_sigterm = 0;
394 /* no interactive support */
395 static void term_exit(void)
399 static void term_init(void)
403 static int read_key(void)
410 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
415 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
418 /* copy stream format */
419 s->nb_streams = ic->nb_streams;
420 for(i=0;i<ic->nb_streams;i++) {
423 // FIXME: a more elegant solution is needed
424 st = av_mallocz(sizeof(AVStream));
425 memcpy(st, ic->streams[i], sizeof(AVStream));
426 st->codec = avcodec_alloc_context();
427 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
431 av_close_input_file(ic);
436 get_sync_ipts(const AVOutputStream *ost)
438 const AVInputStream *ist = ost->sync_ist;
439 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
442 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
444 static void do_audio_out(AVFormatContext *s,
447 unsigned char *buf, int size)
450 static uint8_t *audio_buf = NULL;
451 static uint8_t *audio_out = NULL;
452 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
454 int size_out, frame_bytes, ret;
455 AVCodecContext *enc= ost->st->codec;
457 /* SC: dynamic allocation of buffers */
459 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
461 audio_out = av_malloc(audio_out_size);
462 if (!audio_buf || !audio_out)
463 return; /* Should signal an error ! */
465 if(audio_sync_method){
466 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
467 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2);
468 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
469 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
471 //FIXME resample delay
472 if(fabs(delta) > 50){
475 byte_delta= FFMAX(byte_delta, -size);
479 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
484 static uint8_t *input_tmp= NULL;
485 input_tmp= av_realloc(input_tmp, byte_delta + size);
487 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
490 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
492 memset(input_tmp, 0, byte_delta);
493 memcpy(input_tmp + byte_delta, buf, size);
497 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
499 }else if(audio_sync_method>1){
500 int comp= clip(delta, -audio_sync_method, audio_sync_method);
501 assert(ost->audio_resample);
503 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
504 // 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));
505 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
509 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
510 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2); //FIXME wrong
512 if (ost->audio_resample) {
514 size_out = audio_resample(ost->resample,
515 (short *)buftmp, (short *)buf,
516 size / (ist->st->codec->channels * 2));
517 size_out = size_out * enc->channels * 2;
523 /* now encode as many frames as possible */
524 if (enc->frame_size > 1) {
525 /* output resampled raw samples */
526 fifo_write(&ost->fifo, buftmp, size_out,
529 frame_bytes = enc->frame_size * 2 * enc->channels;
531 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
532 &ost->fifo.rptr) == 0) {
534 av_init_packet(&pkt);
536 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
539 pkt.stream_index= ost->index;
542 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
543 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
544 pkt.flags |= PKT_FLAG_KEY;
545 av_interleaved_write_frame(s, &pkt);
547 ost->sync_opts += enc->frame_size;
551 av_init_packet(&pkt);
553 ost->sync_opts += size_out / (2 * enc->channels);
555 /* output a pcm frame */
556 /* XXX: change encoding codec API to avoid this ? */
557 switch(enc->codec->id) {
558 case CODEC_ID_PCM_S32LE:
559 case CODEC_ID_PCM_S32BE:
560 case CODEC_ID_PCM_U32LE:
561 case CODEC_ID_PCM_U32BE:
562 size_out = size_out << 1;
564 case CODEC_ID_PCM_S24LE:
565 case CODEC_ID_PCM_S24BE:
566 case CODEC_ID_PCM_U24LE:
567 case CODEC_ID_PCM_U24BE:
568 case CODEC_ID_PCM_S24DAUD:
569 size_out = size_out / 2 * 3;
571 case CODEC_ID_PCM_S16LE:
572 case CODEC_ID_PCM_S16BE:
573 case CODEC_ID_PCM_U16LE:
574 case CODEC_ID_PCM_U16BE:
577 size_out = size_out >> 1;
580 ret = avcodec_encode_audio(enc, audio_out, size_out,
583 pkt.stream_index= ost->index;
586 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
587 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
588 pkt.flags |= PKT_FLAG_KEY;
589 av_interleaved_write_frame(s, &pkt);
593 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
597 AVPicture picture_tmp;
600 dec = ist->st->codec;
602 /* deinterlace : must be done before any resize */
603 if (do_deinterlace || using_vhook) {
606 /* create temporary picture */
607 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
608 buf = av_malloc(size);
612 picture2 = &picture_tmp;
613 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
616 if(avpicture_deinterlace(picture2, picture,
617 dec->pix_fmt, dec->width, dec->height) < 0) {
618 /* if error, do not deinterlace */
624 if (img_convert(picture2, dec->pix_fmt, picture,
625 dec->pix_fmt, dec->width, dec->height) < 0) {
626 /* if error, do not copy */
636 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
638 if (picture != picture2)
639 *picture = *picture2;
643 /* we begin to correct av delay at this threshold */
644 #define AV_DELAY_MAX 0.100
647 /* Expects img to be yuv420 */
648 static void fill_pad_region(AVPicture* img, int height, int width,
649 int padtop, int padbottom, int padleft, int padright, int *color) {
654 for (i = 0; i < 3; i++) {
655 shift = (i == 0) ? 0 : 1;
657 if (padtop || padleft) {
658 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
662 if (padleft || padright) {
663 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
664 (img->linesize[i] - (padright >> shift));
666 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
667 memset(optr, color[i], (padleft + padright) >> shift);
668 optr += img->linesize[i];
672 if (padbottom || padright) {
673 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
674 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
679 static void do_subtitle_out(AVFormatContext *s,
685 static uint8_t *subtitle_out = NULL;
686 int subtitle_out_max_size = 65536;
687 int subtitle_out_size, nb, i;
691 if (pts == AV_NOPTS_VALUE) {
692 fprintf(stderr, "Subtitle packets must have a pts\n");
696 enc = ost->st->codec;
699 subtitle_out = av_malloc(subtitle_out_max_size);
702 /* Note: DVB subtitle need one packet to draw them and one other
703 packet to clear them */
704 /* XXX: signal it in the codec context ? */
705 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
710 for(i = 0; i < nb; i++) {
711 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
712 subtitle_out_max_size, sub);
714 av_init_packet(&pkt);
715 pkt.stream_index = ost->index;
716 pkt.data = subtitle_out;
717 pkt.size = subtitle_out_size;
718 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);
719 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
720 /* XXX: the pts correction is handled here. Maybe handling
721 it in the codec would be better */
723 pkt.pts += 90 * sub->start_display_time;
725 pkt.pts += 90 * sub->end_display_time;
727 av_interleaved_write_frame(s, &pkt);
731 static int bit_buffer_size= 1024*256;
732 static uint8_t *bit_buffer= NULL;
734 static void do_video_out(AVFormatContext *s,
740 int nb_frames, i, ret;
741 AVFrame *final_picture, *formatted_picture;
742 AVFrame picture_format_temp, picture_crop_temp;
743 uint8_t *buf = NULL, *buf1 = NULL;
744 AVCodecContext *enc, *dec;
745 enum PixelFormat target_pixfmt;
747 avcodec_get_frame_defaults(&picture_format_temp);
748 avcodec_get_frame_defaults(&picture_crop_temp);
750 enc = ost->st->codec;
751 dec = ist->st->codec;
753 /* by default, we output a single frame */
758 if(video_sync_method){
760 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
761 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
764 else if (vdelta > 1.1)
765 nb_frames = lrintf(vdelta);
766 //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);
770 fprintf(stderr, "*** drop!\n");
771 }else if (nb_frames > 1) {
772 nb_frames_dup += nb_frames;
774 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
777 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
779 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
783 /* convert pixel format if needed */
784 target_pixfmt = ost->video_resample || ost->video_pad
785 ? PIX_FMT_YUV420P : enc->pix_fmt;
786 if (dec->pix_fmt != target_pixfmt) {
789 /* create temporary picture */
790 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
791 buf = av_malloc(size);
794 formatted_picture = &picture_format_temp;
795 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
797 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
798 (AVPicture *)in_picture, dec->pix_fmt,
799 dec->width, dec->height) < 0) {
802 fprintf(stderr, "pixel format conversion not handled\n");
807 formatted_picture = in_picture;
810 /* XXX: resampling could be done before raw format conversion in
811 some cases to go faster */
812 /* XXX: only works for YUV420P */
813 if (ost->video_resample) {
814 final_picture = &ost->pict_tmp;
815 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
817 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
818 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
819 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
823 if (enc->pix_fmt != PIX_FMT_YUV420P) {
827 /* create temporary picture */
828 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
829 buf = av_malloc(size);
832 final_picture = &picture_format_temp;
833 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
835 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
836 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
837 enc->width, enc->height) < 0) {
840 fprintf(stderr, "pixel format conversion not handled\n");
845 } else if (ost->video_crop) {
846 picture_crop_temp.data[0] = formatted_picture->data[0] +
847 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
849 picture_crop_temp.data[1] = formatted_picture->data[1] +
850 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
851 (ost->leftBand >> 1);
853 picture_crop_temp.data[2] = formatted_picture->data[2] +
854 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
855 (ost->leftBand >> 1);
857 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
858 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
859 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
860 final_picture = &picture_crop_temp;
861 } else if (ost->video_pad) {
862 final_picture = &ost->pict_tmp;
864 for (i = 0; i < 3; i++) {
865 uint8_t *optr, *iptr;
866 int shift = (i == 0) ? 0 : 1;
869 /* set offset to start writing image into */
870 optr = final_picture->data[i] + (((final_picture->linesize[i] *
871 ost->padtop) + ost->padleft) >> shift);
872 iptr = formatted_picture->data[i];
874 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
875 for (y = 0; y < yheight; y++) {
876 /* copy unpadded image row into padded image row */
877 memcpy(optr, iptr, formatted_picture->linesize[i]);
878 optr += final_picture->linesize[i];
879 iptr += formatted_picture->linesize[i];
883 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
884 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
887 if (enc->pix_fmt != PIX_FMT_YUV420P) {
891 /* create temporary picture */
892 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
893 buf = av_malloc(size);
896 final_picture = &picture_format_temp;
897 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
899 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
900 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
901 enc->width, enc->height) < 0) {
904 fprintf(stderr, "pixel format conversion not handled\n");
910 final_picture = formatted_picture;
912 /* duplicates frame if needed */
913 for(i=0;i<nb_frames;i++) {
915 av_init_packet(&pkt);
916 pkt.stream_index= ost->index;
918 if (s->oformat->flags & AVFMT_RAWPICTURE) {
919 /* raw pictures are written as AVPicture structure to
920 avoid any copies. We support temorarily the older
922 AVFrame* old_frame = enc->coded_frame;
923 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
924 pkt.data= (uint8_t *)final_picture;
925 pkt.size= sizeof(AVPicture);
926 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
927 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
928 if(dec->coded_frame && dec->coded_frame->key_frame)
929 pkt.flags |= PKT_FLAG_KEY;
931 av_interleaved_write_frame(s, &pkt);
932 enc->coded_frame = old_frame;
936 big_picture= *final_picture;
937 /* better than nothing: use input picture interlaced
939 big_picture.interlaced_frame = in_picture->interlaced_frame;
940 if(avctx_opts->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
941 if(top_field_first == -1)
942 big_picture.top_field_first = in_picture->top_field_first;
944 big_picture.top_field_first = top_field_first;
947 /* handles sameq here. This is not correct because it may
948 not be a global option */
950 big_picture.quality = ist->st->quality;
952 big_picture.quality = ost->st->quality;
954 big_picture.pict_type = 0;
955 // big_picture.pts = AV_NOPTS_VALUE;
956 big_picture.pts= ost->sync_opts;
957 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
958 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
959 ret = avcodec_encode_video(enc,
960 bit_buffer, bit_buffer_size,
962 //enc->frame_number = enc->real_pict_num;
964 pkt.data= bit_buffer;
966 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
967 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
968 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
969 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
970 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
972 if(enc->coded_frame && enc->coded_frame->key_frame)
973 pkt.flags |= PKT_FLAG_KEY;
974 av_interleaved_write_frame(s, &pkt);
976 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
977 // enc->frame_number-1, enc->real_pict_num, ret,
979 /* if two pass, output log */
980 if (ost->logfile && enc->stats_out) {
981 fprintf(ost->logfile, "%s", enc->stats_out);
993 static double psnr(double d){
994 if(d==0) return INFINITY;
995 return -10.0*log(d)/log(10.0);
998 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1001 static FILE *fvstats=NULL;
1005 AVCodecContext *enc;
1008 double ti1, bitrate, avg_bitrate;
1011 today2 = time(NULL);
1012 today = localtime(&today2);
1013 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
1016 fvstats = fopen(filename,"w");
1024 enc = ost->st->codec;
1025 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1026 frame_number = ost->frame_number;
1027 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1028 if (enc->flags&CODEC_FLAG_PSNR)
1029 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1031 fprintf(fvstats,"f_size= %6d ", frame_size);
1032 /* compute pts value */
1033 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1037 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1038 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1039 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1040 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1041 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1045 static void print_report(AVFormatContext **output_files,
1046 AVOutputStream **ost_table, int nb_ostreams,
1050 AVOutputStream *ost;
1051 AVFormatContext *oc, *os;
1053 AVCodecContext *enc;
1054 int frame_number, vid, i;
1055 double bitrate, ti1, pts;
1056 static int64_t last_time = -1;
1058 if (!is_last_report) {
1060 /* display the report every 0.5 seconds */
1061 cur_time = av_gettime();
1062 if (last_time == -1) {
1063 last_time = cur_time;
1066 if ((cur_time - last_time) < 500000)
1068 last_time = cur_time;
1072 oc = output_files[0];
1074 total_size = url_ftell(&oc->pb);
1079 for(i=0;i<nb_ostreams;i++) {
1081 os = output_files[ost->file_index];
1082 enc = ost->st->codec;
1083 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1084 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1085 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1087 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1088 frame_number = ost->frame_number;
1089 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%2.1f ",
1090 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : 0);
1092 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1093 if (enc->flags&CODEC_FLAG_PSNR){
1095 double error, error_sum=0;
1096 double scale, scale_sum=0;
1097 char type[3]= {'Y','U','V'};
1098 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1101 error= enc->error[j];
1102 scale= enc->width*enc->height*255.0*255.0*frame_number;
1104 error= enc->coded_frame->error[j];
1105 scale= enc->width*enc->height*255.0*255.0;
1110 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1112 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1116 /* compute min output value */
1117 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1118 if ((pts < ti1) && (pts > 0))
1124 if (verbose || is_last_report) {
1125 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1127 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1128 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1129 (double)total_size / 1024, ti1, bitrate);
1132 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1133 nb_frames_dup, nb_frames_drop);
1136 fprintf(stderr, "%s \r", buf);
1141 if (is_last_report && verbose >= 0){
1142 int64_t raw= audio_size + video_size + extra_size;
1143 fprintf(stderr, "\n");
1144 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1148 100.0*(total_size - raw)/raw
1153 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1154 static int output_packet(AVInputStream *ist, int ist_index,
1155 AVOutputStream **ost_table, int nb_ostreams,
1156 const AVPacket *pkt)
1158 AVFormatContext *os;
1159 AVOutputStream *ost;
1163 int data_size, got_picture;
1165 void *buffer_to_free;
1166 static int samples_size= 0;
1167 static short *samples= NULL;
1168 AVSubtitle subtitle, *subtitle_to_free;
1172 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1173 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1174 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1176 // assert(ist->pts == ist->next_pts);
1190 /* decode the packet if needed */
1191 data_buf = NULL; /* fail safe */
1193 subtitle_to_free = NULL;
1194 if (ist->decoding_needed) {
1195 switch(ist->st->codec->codec_type) {
1196 case CODEC_TYPE_AUDIO:{
1198 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1199 /* XXX: could avoid copy if PCM 16 bits with same
1200 endianness as CPU */
1201 ret = avcodec_decode_audio(ist->st->codec, samples, &data_size,
1207 /* Some bug in mpeg audio decoder gives */
1208 /* data_size < 0, it seems they are overflows */
1209 if (data_size <= 0) {
1210 /* no audio frame */
1213 data_buf = (uint8_t *)samples;
1214 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1215 (ist->st->codec->sample_rate * ist->st->codec->channels);
1217 case CODEC_TYPE_VIDEO:
1218 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1219 /* XXX: allocate picture correctly */
1220 avcodec_get_frame_defaults(&picture);
1222 ret = avcodec_decode_video(ist->st->codec,
1223 &picture, &got_picture, ptr, len);
1224 ist->st->quality= picture.quality;
1228 /* no picture yet */
1229 goto discard_packet;
1231 if (ist->st->codec->time_base.num != 0) {
1232 ist->next_pts += ((int64_t)AV_TIME_BASE *
1233 ist->st->codec->time_base.num) /
1234 ist->st->codec->time_base.den;
1238 case CODEC_TYPE_SUBTITLE:
1239 ret = avcodec_decode_subtitle(ist->st->codec,
1240 &subtitle, &got_subtitle, ptr, len);
1243 if (!got_subtitle) {
1244 goto discard_packet;
1246 subtitle_to_free = &subtitle;
1253 switch(ist->st->codec->codec_type) {
1254 case CODEC_TYPE_AUDIO:
1255 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1256 (ist->st->codec->sample_rate * ist->st->codec->channels);
1258 case CODEC_TYPE_VIDEO:
1259 if (ist->st->codec->time_base.num != 0) {
1260 ist->next_pts += ((int64_t)AV_TIME_BASE *
1261 ist->st->codec->time_base.num) /
1262 ist->st->codec->time_base.den;
1272 buffer_to_free = NULL;
1273 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1274 pre_process_video_frame(ist, (AVPicture *)&picture,
1278 // preprocess audio (volume)
1279 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1280 if (audio_volume != 256) {
1283 for(i=0;i<(data_size / sizeof(short));i++) {
1284 int v = ((*volp) * audio_volume + 128) >> 8;
1285 if (v < -32768) v = -32768;
1286 if (v > 32767) v = 32767;
1292 /* frame rate emulation */
1293 if (ist->st->codec->rate_emu) {
1294 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1295 int64_t now = av_gettime() - ist->start;
1303 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1304 is the one of the next displayed one */
1305 /* XXX: add mpeg4 too ? */
1306 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1307 if (ist->st->codec->pict_type != B_TYPE) {
1309 tmp = ist->last_ip_pts;
1310 ist->last_ip_pts = ist->frac_pts.val;
1311 ist->frac_pts.val = tmp;
1315 /* if output time reached then transcode raw format,
1316 encode packets and output them */
1317 if (start_time == 0 || ist->pts >= start_time)
1318 for(i=0;i<nb_ostreams;i++) {
1322 if (ost->source_index == ist_index) {
1323 os = output_files[ost->file_index];
1326 printf("%d: got pts=%0.3f %0.3f\n", i,
1327 (double)pkt->pts / AV_TIME_BASE,
1328 ((double)ist->pts / AV_TIME_BASE) -
1329 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1331 /* set the input output pts pairs */
1332 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1334 if (ost->encoding_needed) {
1335 switch(ost->st->codec->codec_type) {
1336 case CODEC_TYPE_AUDIO:
1337 do_audio_out(os, ost, ist, data_buf, data_size);
1339 case CODEC_TYPE_VIDEO:
1340 do_video_out(os, ost, ist, &picture, &frame_size);
1341 video_size += frame_size;
1342 if (do_vstats && frame_size)
1343 do_video_stats(os, ost, frame_size);
1345 case CODEC_TYPE_SUBTITLE:
1346 do_subtitle_out(os, ost, ist, &subtitle,
1353 AVFrame avframe; //FIXME/XXX remove this
1355 av_init_packet(&opkt);
1357 /* no reencoding needed : output the packet directly */
1358 /* force the input stream PTS */
1360 avcodec_get_frame_defaults(&avframe);
1361 ost->st->codec->coded_frame= &avframe;
1362 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1364 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1365 audio_size += data_size;
1366 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1367 video_size += data_size;
1371 opkt.stream_index= ost->index;
1372 if(pkt->pts != AV_NOPTS_VALUE)
1373 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);
1375 opkt.pts= AV_NOPTS_VALUE;
1379 if (pkt->dts == AV_NOPTS_VALUE)
1380 dts = ist->next_pts;
1382 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1383 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1385 opkt.flags= pkt->flags;
1386 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1387 opkt.destruct= av_destruct_packet;
1388 av_interleaved_write_frame(os, &opkt);
1389 ost->st->codec->frame_number++;
1390 ost->frame_number++;
1391 av_free_packet(&opkt);
1395 av_free(buffer_to_free);
1396 /* XXX: allocate the subtitles in the codec ? */
1397 if (subtitle_to_free) {
1398 if (subtitle_to_free->rects != NULL) {
1399 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1400 av_free(subtitle_to_free->rects[i].bitmap);
1401 av_free(subtitle_to_free->rects[i].rgba_palette);
1403 av_freep(&subtitle_to_free->rects);
1405 subtitle_to_free->num_rects = 0;
1406 subtitle_to_free = NULL;
1413 for(i=0;i<nb_ostreams;i++) {
1415 if (ost->source_index == ist_index) {
1416 AVCodecContext *enc= ost->st->codec;
1417 os = output_files[ost->file_index];
1419 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1421 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1424 if (ost->encoding_needed) {
1427 av_init_packet(&pkt);
1428 pkt.stream_index= ost->index;
1430 switch(ost->st->codec->codec_type) {
1431 case CODEC_TYPE_AUDIO:
1432 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1434 pkt.flags |= PKT_FLAG_KEY;
1436 case CODEC_TYPE_VIDEO:
1437 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1439 if(enc->coded_frame && enc->coded_frame->key_frame)
1440 pkt.flags |= PKT_FLAG_KEY;
1441 if (ost->logfile && enc->stats_out) {
1442 fprintf(ost->logfile, "%s", enc->stats_out);
1451 pkt.data= bit_buffer;
1453 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1454 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1455 av_interleaved_write_frame(os, &pkt);
1469 * The following code is the main loop of the file converter
1471 static int av_encode(AVFormatContext **output_files,
1472 int nb_output_files,
1473 AVFormatContext **input_files,
1475 AVStreamMap *stream_maps, int nb_stream_maps)
1477 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1478 AVFormatContext *is, *os;
1479 AVCodecContext *codec, *icodec;
1480 AVOutputStream *ost, **ost_table = NULL;
1481 AVInputStream *ist, **ist_table = NULL;
1482 AVInputFile *file_table;
1483 AVFormatContext *stream_no_data;
1486 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1490 /* input stream init */
1492 for(i=0;i<nb_input_files;i++) {
1493 is = input_files[i];
1494 file_table[i].ist_index = j;
1495 file_table[i].nb_streams = is->nb_streams;
1496 j += is->nb_streams;
1500 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1504 for(i=0;i<nb_istreams;i++) {
1505 ist = av_mallocz(sizeof(AVInputStream));
1511 for(i=0;i<nb_input_files;i++) {
1512 is = input_files[i];
1513 for(k=0;k<is->nb_streams;k++) {
1514 ist = ist_table[j++];
1515 ist->st = is->streams[k];
1516 ist->file_index = i;
1518 ist->discard = 1; /* the stream is discarded by default
1521 if (ist->st->codec->rate_emu) {
1522 ist->start = av_gettime();
1528 /* output stream init */
1530 for(i=0;i<nb_output_files;i++) {
1531 os = output_files[i];
1532 nb_ostreams += os->nb_streams;
1534 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1535 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1539 /* Sanity check the mapping args -- do the input files & streams exist? */
1540 for(i=0;i<nb_stream_maps;i++) {
1541 int fi = stream_maps[i].file_index;
1542 int si = stream_maps[i].stream_index;
1544 if (fi < 0 || fi > nb_input_files - 1 ||
1545 si < 0 || si > file_table[fi].nb_streams - 1) {
1546 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1549 fi = stream_maps[i].sync_file_index;
1550 si = stream_maps[i].sync_stream_index;
1551 if (fi < 0 || fi > nb_input_files - 1 ||
1552 si < 0 || si > file_table[fi].nb_streams - 1) {
1553 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1558 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1561 for(i=0;i<nb_ostreams;i++) {
1562 ost = av_mallocz(sizeof(AVOutputStream));
1569 for(k=0;k<nb_output_files;k++) {
1570 os = output_files[k];
1571 for(i=0;i<os->nb_streams;i++) {
1573 ost = ost_table[n++];
1574 ost->file_index = k;
1576 ost->st = os->streams[i];
1577 if (nb_stream_maps > 0) {
1578 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1579 stream_maps[n-1].stream_index;
1581 /* Sanity check that the stream types match */
1582 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1583 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1584 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1585 ost->file_index, ost->index);
1590 /* get corresponding input stream index : we select the first one with the right type */
1592 for(j=0;j<nb_istreams;j++) {
1595 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1596 ost->source_index = j;
1603 /* try again and reuse existing stream */
1604 for(j=0;j<nb_istreams;j++) {
1606 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1607 ost->source_index = j;
1612 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1613 ost->file_index, ost->index);
1618 ist = ist_table[ost->source_index];
1620 ost->sync_ist = (nb_stream_maps > 0) ?
1621 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1622 stream_maps[n-1].sync_stream_index] : ist;
1626 /* for each output stream, we compute the right encoding parameters */
1627 for(i=0;i<nb_ostreams;i++) {
1629 ist = ist_table[ost->source_index];
1631 codec = ost->st->codec;
1632 icodec = ist->st->codec;
1634 if (ost->st->stream_copy) {
1635 /* if stream_copy is selected, no need to decode or encode */
1636 codec->codec_id = icodec->codec_id;
1637 codec->codec_type = icodec->codec_type;
1638 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1639 codec->bit_rate = icodec->bit_rate;
1640 codec->extradata= icodec->extradata;
1641 codec->extradata_size= icodec->extradata_size;
1642 codec->time_base = icodec->time_base;
1643 switch(codec->codec_type) {
1644 case CODEC_TYPE_AUDIO:
1645 codec->sample_rate = icodec->sample_rate;
1646 codec->channels = icodec->channels;
1647 codec->frame_size = icodec->frame_size;
1648 codec->block_align= icodec->block_align;
1650 case CODEC_TYPE_VIDEO:
1651 codec->width = icodec->width;
1652 codec->height = icodec->height;
1653 codec->has_b_frames = icodec->has_b_frames;
1655 case CODEC_TYPE_SUBTITLE:
1661 switch(codec->codec_type) {
1662 case CODEC_TYPE_AUDIO:
1663 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1666 if (codec->channels == icodec->channels &&
1667 codec->sample_rate == icodec->sample_rate) {
1668 ost->audio_resample = 0;
1670 if (codec->channels != icodec->channels &&
1671 (icodec->codec_id == CODEC_ID_AC3 ||
1672 icodec->codec_id == CODEC_ID_DTS)) {
1673 /* Special case for 5:1 AC3 and DTS input */
1674 /* and mono or stereo output */
1675 /* Request specific number of channels */
1676 icodec->channels = codec->channels;
1677 if (codec->sample_rate == icodec->sample_rate)
1678 ost->audio_resample = 0;
1680 ost->audio_resample = 1;
1683 ost->audio_resample = 1;
1686 if(audio_sync_method>1)
1687 ost->audio_resample = 1;
1689 if(ost->audio_resample){
1690 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1691 codec->sample_rate, icodec->sample_rate);
1693 printf("Can't resample. Aborting.\n");
1697 ist->decoding_needed = 1;
1698 ost->encoding_needed = 1;
1700 case CODEC_TYPE_VIDEO:
1701 if (codec->width == icodec->width &&
1702 codec->height == icodec->height &&
1703 frame_topBand == 0 &&
1704 frame_bottomBand == 0 &&
1705 frame_leftBand == 0 &&
1706 frame_rightBand == 0 &&
1707 frame_padtop == 0 &&
1708 frame_padbottom == 0 &&
1709 frame_padleft == 0 &&
1710 frame_padright == 0)
1712 ost->video_resample = 0;
1713 ost->video_crop = 0;
1715 } else if ((codec->width == icodec->width -
1716 (frame_leftBand + frame_rightBand)) &&
1717 (codec->height == icodec->height -
1718 (frame_topBand + frame_bottomBand)))
1720 ost->video_resample = 0;
1721 ost->video_crop = 1;
1722 ost->topBand = frame_topBand;
1723 ost->leftBand = frame_leftBand;
1724 } else if ((codec->width == icodec->width +
1725 (frame_padleft + frame_padright)) &&
1726 (codec->height == icodec->height +
1727 (frame_padtop + frame_padbottom))) {
1728 ost->video_resample = 0;
1729 ost->video_crop = 0;
1731 ost->padtop = frame_padtop;
1732 ost->padleft = frame_padleft;
1733 ost->padbottom = frame_padbottom;
1734 ost->padright = frame_padright;
1735 avcodec_get_frame_defaults(&ost->pict_tmp);
1736 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1737 codec->width, codec->height ) )
1740 ost->video_resample = 1;
1741 ost->video_crop = 0; // cropping is handled as part of resample
1742 avcodec_get_frame_defaults(&ost->pict_tmp);
1743 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1744 codec->width, codec->height ) )
1747 ost->img_resample_ctx = img_resample_full_init(
1748 codec->width, codec->height,
1749 icodec->width, icodec->height,
1750 frame_topBand, frame_bottomBand,
1751 frame_leftBand, frame_rightBand,
1752 frame_padtop, frame_padbottom,
1753 frame_padleft, frame_padright);
1755 ost->padtop = frame_padtop;
1756 ost->padleft = frame_padleft;
1757 ost->padbottom = frame_padbottom;
1758 ost->padright = frame_padright;
1761 ost->encoding_needed = 1;
1762 ist->decoding_needed = 1;
1764 case CODEC_TYPE_SUBTITLE:
1765 ost->encoding_needed = 1;
1766 ist->decoding_needed = 1;
1773 if (ost->encoding_needed &&
1774 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1775 char logfilename[1024];
1780 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1782 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1783 if (codec->flags & CODEC_FLAG_PASS1) {
1784 f = fopen(logfilename, "w");
1786 perror(logfilename);
1791 /* read the log file */
1792 f = fopen(logfilename, "r");
1794 perror(logfilename);
1797 fseek(f, 0, SEEK_END);
1799 fseek(f, 0, SEEK_SET);
1800 logbuffer = av_malloc(size + 1);
1802 fprintf(stderr, "Could not allocate log buffer\n");
1805 size = fread(logbuffer, 1, size, f);
1807 logbuffer[size] = '\0';
1808 codec->stats_in = logbuffer;
1812 if(codec->codec_type == CODEC_TYPE_VIDEO){
1813 int size= codec->width * codec->height;
1814 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1819 bit_buffer = av_malloc(bit_buffer_size);
1823 /* dump the file output parameters - cannot be done before in case
1825 for(i=0;i<nb_output_files;i++) {
1826 dump_format(output_files[i], i, output_files[i]->filename, 1);
1829 /* dump the stream mapping */
1831 fprintf(stderr, "Stream mapping:\n");
1832 for(i=0;i<nb_ostreams;i++) {
1834 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1835 ist_table[ost->source_index]->file_index,
1836 ist_table[ost->source_index]->index,
1839 if (ost->sync_ist != ist_table[ost->source_index])
1840 fprintf(stderr, " [sync #%d.%d]",
1841 ost->sync_ist->file_index,
1842 ost->sync_ist->index);
1843 fprintf(stderr, "\n");
1847 /* open each encoder */
1848 for(i=0;i<nb_ostreams;i++) {
1850 if (ost->encoding_needed) {
1852 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1854 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1855 ost->file_index, ost->index);
1858 if (avcodec_open(ost->st->codec, codec) < 0) {
1859 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1860 ost->file_index, ost->index);
1863 extra_size += ost->st->codec->extradata_size;
1867 /* open each decoder */
1868 for(i=0;i<nb_istreams;i++) {
1870 if (ist->decoding_needed) {
1872 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1874 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1875 ist->st->codec->codec_id, ist->file_index, ist->index);
1878 if (avcodec_open(ist->st->codec, codec) < 0) {
1879 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1880 ist->file_index, ist->index);
1883 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1884 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1889 for(i=0;i<nb_istreams;i++) {
1891 is = input_files[ist->file_index];
1893 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1894 if(ist->st->start_time == AV_NOPTS_VALUE)
1896 if(input_files_ts_offset[ist->file_index])
1897 ist->next_pts= AV_NOPTS_VALUE;
1901 /* compute buffer size max (should use a complete heuristic) */
1902 for(i=0;i<nb_input_files;i++) {
1903 file_table[i].buffer_size_max = 2048;
1906 /* set meta data information from input file if required */
1907 for (i=0;i<nb_meta_data_maps;i++) {
1908 AVFormatContext *out_file;
1909 AVFormatContext *in_file;
1911 int out_file_index = meta_data_maps[i].out_file;
1912 int in_file_index = meta_data_maps[i].in_file;
1913 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1914 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1918 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1919 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1924 out_file = output_files[out_file_index];
1925 in_file = input_files[in_file_index];
1927 strcpy(out_file->title, in_file->title);
1928 strcpy(out_file->author, in_file->author);
1929 strcpy(out_file->copyright, in_file->copyright);
1930 strcpy(out_file->comment, in_file->comment);
1931 strcpy(out_file->album, in_file->album);
1932 out_file->year = in_file->year;
1933 out_file->track = in_file->track;
1934 strcpy(out_file->genre, in_file->genre);
1937 /* open files and write file headers */
1938 for(i=0;i<nb_output_files;i++) {
1939 os = output_files[i];
1940 if (av_write_header(os) < 0) {
1941 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1947 #ifndef CONFIG_WIN32
1948 if ( !using_stdin && verbose >= 0) {
1949 fprintf(stderr, "Press [q] to stop encoding\n");
1950 url_set_interrupt_cb(decode_interrupt_cb);
1958 for(; received_sigterm == 0;) {
1959 int file_index, ist_index;
1967 /* if 'q' pressed, exits */
1971 /* read_key() returns 0 on EOF */
1977 /* select the stream that we must read now by looking at the
1978 smallest output pts */
1980 for(i=0;i<nb_ostreams;i++) {
1983 os = output_files[ost->file_index];
1984 ist = ist_table[ost->source_index];
1985 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1986 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
1988 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
1989 ipts = (double)ist->pts;
1990 if (!file_table[ist->file_index].eof_reached){
1991 if(ipts < ipts_min) {
1993 if(input_sync ) file_index = ist->file_index;
1995 if(opts < opts_min) {
1997 if(!input_sync) file_index = ist->file_index;
2000 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2005 /* if none, if is finished */
2006 if (file_index < 0) {
2010 /* finish if recording time exhausted */
2011 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
2014 /* finish if limit size exhausted */
2015 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
2018 /* read a frame from it and output it in the fifo */
2019 is = input_files[file_index];
2020 if (av_read_frame(is, &pkt) < 0) {
2021 file_table[file_index].eof_reached = 1;
2022 if (opt_shortest) break; else continue; //
2026 stream_no_data = is;
2031 av_pkt_dump(stdout, &pkt, do_hex_dump);
2033 /* the following test is needed in case new streams appear
2034 dynamically in stream : we ignore them */
2035 if (pkt.stream_index >= file_table[file_index].nb_streams)
2036 goto discard_packet;
2037 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2038 ist = ist_table[ist_index];
2040 goto discard_packet;
2042 // 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);
2043 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2044 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
2045 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
2046 input_files_ts_offset[ist->file_index]-= delta;
2048 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2049 for(i=0; i<file_table[file_index].nb_streams; i++){
2050 int index= file_table[file_index].ist_index + i;
2051 ist_table[index]->next_pts += delta;
2052 ist_table[index]->is_start=1;
2057 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2058 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2061 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2062 ist->file_index, ist->index);
2064 av_free_packet(&pkt);
2069 av_free_packet(&pkt);
2071 /* dump report by using the output first video and audio streams */
2072 print_report(output_files, ost_table, nb_ostreams, 0);
2075 /* at the end of stream, we must flush the decoder buffers */
2076 for(i=0;i<nb_istreams;i++) {
2078 if (ist->decoding_needed) {
2079 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2085 /* write the trailer if needed and close file */
2086 for(i=0;i<nb_output_files;i++) {
2087 os = output_files[i];
2088 av_write_trailer(os);
2091 /* dump report by using the first video and audio streams */
2092 print_report(output_files, ost_table, nb_ostreams, 1);
2094 /* close each encoder */
2095 for(i=0;i<nb_ostreams;i++) {
2097 if (ost->encoding_needed) {
2098 av_freep(&ost->st->codec->stats_in);
2099 avcodec_close(ost->st->codec);
2103 /* close each decoder */
2104 for(i=0;i<nb_istreams;i++) {
2106 if (ist->decoding_needed) {
2107 avcodec_close(ist->st->codec);
2115 av_freep(&bit_buffer);
2116 av_free(file_table);
2119 for(i=0;i<nb_istreams;i++) {
2126 for(i=0;i<nb_ostreams;i++) {
2130 fclose(ost->logfile);
2131 ost->logfile = NULL;
2133 fifo_free(&ost->fifo); /* works even if fifo is not
2134 initialized but set to zero */
2135 av_free(ost->pict_tmp.data[0]);
2136 if (ost->video_resample)
2137 img_resample_close(ost->img_resample_ctx);
2138 if (ost->audio_resample)
2139 audio_resample_close(ost->resample);
2152 int file_read(const char *filename)
2155 unsigned char buffer[1024];
2158 if (url_open(&h, filename, O_RDONLY) < 0) {
2159 printf("could not open '%s'\n", filename);
2163 len = url_read(h, buffer, sizeof(buffer));
2166 for(i=0;i<len;i++) putchar(buffer[i]);
2173 static void opt_image_format(const char *arg)
2177 for(f = first_image_format; f != NULL; f = f->next) {
2178 if (!strcmp(arg, f->name))
2182 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2188 static void opt_format(const char *arg)
2190 /* compatibility stuff for pgmyuv */
2191 if (!strcmp(arg, "pgmyuv")) {
2192 pgmyuv_compatibility_hack=1;
2193 // opt_image_format(arg);
2197 file_iformat = av_find_input_format(arg);
2198 file_oformat = guess_format(arg, NULL, NULL);
2199 if (!file_iformat && !file_oformat) {
2200 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2205 static void opt_video_bitrate(const char *arg)
2207 video_bit_rate = atoi(arg) * 1000;
2210 static void opt_video_bitrate_tolerance(const char *arg)
2212 video_bit_rate_tolerance = atoi(arg) * 1000;
2215 static void opt_video_bitrate_max(const char *arg)
2217 video_rc_max_rate = atoi(arg) * 1000;
2220 static void opt_video_bitrate_min(const char *arg)
2222 video_rc_min_rate = atoi(arg) * 1000;
2225 static void opt_video_buffer_size(const char *arg)
2227 video_rc_buffer_size = atoi(arg) * 8*1024;
2230 static void opt_video_rc_eq(char *arg)
2235 static void opt_video_rc_override_string(char *arg)
2237 video_rc_override_string = arg;
2241 static void opt_workaround_bugs(const char *arg)
2243 workaround_bugs = atoi(arg);
2246 static void opt_me_threshold(const char *arg)
2248 me_threshold = atoi(arg);
2251 static void opt_mb_threshold(const char *arg)
2253 mb_threshold = atoi(arg);
2256 static void opt_verbose(const char *arg)
2258 verbose = atoi(arg);
2259 av_log_set_level(atoi(arg));
2262 static void opt_frame_rate(const char *arg)
2264 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2265 fprintf(stderr, "Incorrect frame rate\n");
2270 static void opt_frame_crop_top(const char *arg)
2272 frame_topBand = atoi(arg);
2273 if (frame_topBand < 0) {
2274 fprintf(stderr, "Incorrect top crop size\n");
2277 if ((frame_topBand % 2) != 0) {
2278 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2281 if ((frame_topBand) >= frame_height){
2282 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2285 frame_height -= frame_topBand;
2288 static void opt_frame_crop_bottom(const char *arg)
2290 frame_bottomBand = atoi(arg);
2291 if (frame_bottomBand < 0) {
2292 fprintf(stderr, "Incorrect bottom crop size\n");
2295 if ((frame_bottomBand % 2) != 0) {
2296 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2299 if ((frame_bottomBand) >= frame_height){
2300 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2303 frame_height -= frame_bottomBand;
2306 static void opt_frame_crop_left(const char *arg)
2308 frame_leftBand = atoi(arg);
2309 if (frame_leftBand < 0) {
2310 fprintf(stderr, "Incorrect left crop size\n");
2313 if ((frame_leftBand % 2) != 0) {
2314 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2317 if ((frame_leftBand) >= frame_width){
2318 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2321 frame_width -= frame_leftBand;
2324 static void opt_frame_crop_right(const char *arg)
2326 frame_rightBand = atoi(arg);
2327 if (frame_rightBand < 0) {
2328 fprintf(stderr, "Incorrect right crop size\n");
2331 if ((frame_rightBand % 2) != 0) {
2332 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2335 if ((frame_rightBand) >= frame_width){
2336 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2339 frame_width -= frame_rightBand;
2342 static void opt_frame_size(const char *arg)
2344 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2345 fprintf(stderr, "Incorrect frame size\n");
2348 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2349 fprintf(stderr, "Frame size must be a multiple of 2\n");
2355 #define SCALEBITS 10
2356 #define ONE_HALF (1 << (SCALEBITS - 1))
2357 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2359 #define RGB_TO_Y(r, g, b) \
2360 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2361 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2363 #define RGB_TO_U(r1, g1, b1, shift)\
2364 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2365 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2367 #define RGB_TO_V(r1, g1, b1, shift)\
2368 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2369 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2371 static void opt_pad_color(const char *arg) {
2372 /* Input is expected to be six hex digits similar to
2373 how colors are expressed in html tags (but without the #) */
2374 int rgb = strtol(arg, NULL, 16);
2378 g = ((rgb >> 8) & 255);
2381 padcolor[0] = RGB_TO_Y(r,g,b);
2382 padcolor[1] = RGB_TO_U(r,g,b,0);
2383 padcolor[2] = RGB_TO_V(r,g,b,0);
2386 static void opt_frame_pad_top(const char *arg)
2388 frame_padtop = atoi(arg);
2389 if (frame_padtop < 0) {
2390 fprintf(stderr, "Incorrect top pad size\n");
2393 if ((frame_padtop % 2) != 0) {
2394 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2399 static void opt_frame_pad_bottom(const char *arg)
2401 frame_padbottom = atoi(arg);
2402 if (frame_padbottom < 0) {
2403 fprintf(stderr, "Incorrect bottom pad size\n");
2406 if ((frame_padbottom % 2) != 0) {
2407 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2413 static void opt_frame_pad_left(const char *arg)
2415 frame_padleft = atoi(arg);
2416 if (frame_padleft < 0) {
2417 fprintf(stderr, "Incorrect left pad size\n");
2420 if ((frame_padleft % 2) != 0) {
2421 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2427 static void opt_frame_pad_right(const char *arg)
2429 frame_padright = atoi(arg);
2430 if (frame_padright < 0) {
2431 fprintf(stderr, "Incorrect right pad size\n");
2434 if ((frame_padright % 2) != 0) {
2435 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2441 static void opt_frame_pix_fmt(const char *arg)
2443 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2446 static void opt_frame_aspect_ratio(const char *arg)
2452 p = strchr(arg, ':');
2454 x = strtol(arg, (char **)&arg, 10);
2456 y = strtol(arg+1, (char **)&arg, 10);
2458 ar = (double)x / (double)y;
2460 ar = strtod(arg, (char **)&arg);
2463 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2466 frame_aspect_ratio = ar;
2469 static void opt_gop_size(const char *arg)
2471 gop_size = atoi(arg);
2474 static void opt_b_frames(const char *arg)
2476 b_frames = atoi(arg);
2477 if (b_frames > FF_MAX_B_FRAMES) {
2478 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2480 } else if (b_frames < 1) {
2481 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2486 static void opt_pre_me(const char *arg)
2491 static void opt_qscale(const char *arg)
2493 video_qscale = atof(arg);
2494 if (video_qscale < 0.01 ||
2495 video_qscale > 255) {
2496 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2501 static void opt_qsquish(const char *arg)
2503 video_qsquish = atof(arg);
2504 if (video_qsquish < 0.0 ||
2505 video_qsquish > 99.0) {
2506 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2511 static void opt_lmax(const char *arg)
2513 video_lmax = atof(arg)*FF_QP2LAMBDA;
2516 static void opt_lmin(const char *arg)
2518 video_lmin = atof(arg)*FF_QP2LAMBDA;
2521 static void opt_qmin(const char *arg)
2523 video_qmin = atoi(arg);
2524 if (video_qmin < 1 ||
2526 fprintf(stderr, "qmin must be >= 1 and <= 31\n");
2531 static void opt_qmax(const char *arg)
2533 video_qmax = atoi(arg);
2534 if (video_qmax < 1 ||
2536 fprintf(stderr, "qmax must be >= 1 and <= 31\n");
2541 static void opt_mb_lmin(const char *arg)
2543 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2544 if (video_mb_lmin < 1 ||
2545 video_mb_lmin > FF_LAMBDA_MAX) {
2546 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2551 static void opt_mb_lmax(const char *arg)
2553 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2554 if (video_mb_lmax < 1 ||
2555 video_mb_lmax > FF_LAMBDA_MAX) {
2556 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2561 static void opt_qdiff(const char *arg)
2563 video_qdiff = atoi(arg);
2564 if (video_qdiff < 0 ||
2566 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2571 static void opt_qblur(const char *arg)
2573 video_qblur = atof(arg);
2576 static void opt_qcomp(const char *arg)
2578 video_qcomp = atof(arg);
2581 static void opt_rc_initial_cplx(const char *arg)
2583 video_rc_initial_cplx = atof(arg);
2585 static void opt_b_qfactor(const char *arg)
2587 video_b_qfactor = atof(arg);
2589 static void opt_i_qfactor(const char *arg)
2591 video_i_qfactor = atof(arg);
2593 static void opt_b_qoffset(const char *arg)
2595 video_b_qoffset = atof(arg);
2597 static void opt_i_qoffset(const char *arg)
2599 video_i_qoffset = atof(arg);
2602 static void opt_ibias(const char *arg)
2604 video_intra_quant_bias = atoi(arg);
2606 static void opt_pbias(const char *arg)
2608 video_inter_quant_bias = atoi(arg);
2611 static void opt_packet_size(const char *arg)
2613 packet_size= atoi(arg);
2616 static void opt_error_rate(const char *arg)
2618 error_rate= atoi(arg);
2621 static void opt_strict(const char *arg)
2626 static void opt_top_field_first(const char *arg)
2628 top_field_first= atoi(arg);
2631 static void opt_sc_threshold(const char *arg)
2633 sc_threshold= atoi(arg);
2636 static void opt_me_range(const char *arg)
2638 me_range = atoi(arg);
2641 static void opt_thread_count(const char *arg)
2643 thread_count= atoi(arg);
2644 #if !defined(HAVE_THREADS)
2646 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2650 static void opt_audio_bitrate(const char *arg)
2652 audio_bit_rate = atoi(arg) * 1000;
2655 static void opt_audio_rate(const char *arg)
2657 audio_sample_rate = atoi(arg);
2660 static void opt_audio_channels(const char *arg)
2662 audio_channels = atoi(arg);
2665 static void opt_video_device(const char *arg)
2667 video_device = av_strdup(arg);
2670 static void opt_grab_device(const char *arg)
2672 grab_device = av_strdup(arg);
2675 static void opt_video_channel(const char *arg)
2677 video_channel = strtol(arg, NULL, 0);
2680 static void opt_video_standard(const char *arg)
2682 video_standard = av_strdup(arg);
2685 static void opt_audio_device(const char *arg)
2687 audio_device = av_strdup(arg);
2690 static void opt_codec(int *pstream_copy, int *pcodec_id,
2691 int codec_type, const char *arg)
2695 if (!strcmp(arg, "copy")) {
2700 if (!strcmp(p->name, arg) && p->type == codec_type)
2705 fprintf(stderr, "Unknown codec '%s'\n", arg);
2713 static void opt_audio_codec(const char *arg)
2715 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2718 static void opt_audio_tag(const char *arg)
2721 audio_codec_tag= strtol(arg, &tail, 0);
2724 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2727 static void opt_video_tag(const char *arg)
2730 video_codec_tag= strtol(arg, &tail, 0);
2733 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2736 static void add_frame_hooker(const char *arg)
2741 char *args = av_strdup(arg);
2745 argv[0] = strtok(args, " ");
2746 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2749 i = frame_hook_add(argc, argv);
2752 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2757 const char *motion_str[] = {
2767 static void opt_motion_estimation(const char *arg)
2773 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2776 if (!strcmp(*p, arg))
2780 me_method = (p - motion_str) + 1;
2783 static void opt_video_codec(const char *arg)
2785 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2788 static void opt_subtitle_codec(const char *arg)
2790 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2793 static void opt_map(const char *arg)
2799 m = &stream_maps[nb_stream_maps++];
2801 m->file_index = strtol(arg, (char **)&p, 0);
2805 m->stream_index = strtol(p, (char **)&p, 0);
2808 m->sync_file_index = strtol(p, (char **)&p, 0);
2811 m->sync_stream_index = strtol(p, (char **)&p, 0);
2813 m->sync_file_index = m->file_index;
2814 m->sync_stream_index = m->stream_index;
2818 static void opt_map_meta_data(const char *arg)
2824 m = &meta_data_maps[nb_meta_data_maps++];
2826 m->out_file = strtol(arg, (char **)&p, 0);
2830 m->in_file = strtol(p, (char **)&p, 0);
2833 static void opt_recording_time(const char *arg)
2835 recording_time = parse_date(arg, 1);
2838 static void opt_start_time(const char *arg)
2840 start_time = parse_date(arg, 1);
2843 static void opt_rec_timestamp(const char *arg)
2845 rec_timestamp = parse_date(arg, 0) / 1000000;
2848 static void opt_input_ts_offset(const char *arg)
2850 input_ts_offset = parse_date(arg, 1);
2853 static void opt_input_file(const char *filename)
2855 AVFormatContext *ic;
2856 AVFormatParameters params, *ap = ¶ms;
2857 int err, i, ret, rfps, rfps_base;
2860 if (!strcmp(filename, "-"))
2863 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2864 !strcmp( filename, "/dev/stdin" );
2866 /* get default parameters from command line */
2867 memset(ap, 0, sizeof(*ap));
2868 ap->sample_rate = audio_sample_rate;
2869 ap->channels = audio_channels;
2870 ap->time_base.den = frame_rate;
2871 ap->time_base.num = frame_rate_base;
2872 ap->width = frame_width + frame_padleft + frame_padright;
2873 ap->height = frame_height + frame_padtop + frame_padbottom;
2874 ap->image_format = image_format;
2875 ap->pix_fmt = frame_pix_fmt;
2876 ap->device = grab_device;
2877 ap->channel = video_channel;
2878 ap->standard = video_standard;
2879 ap->video_codec_id = video_codec_id;
2880 ap->audio_codec_id = audio_codec_id;
2881 if(pgmyuv_compatibility_hack)
2882 ap->video_codec_id= CODEC_ID_PGMYUV;
2884 /* open the input file with generic libav function */
2885 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2887 print_error(filename, err);
2892 ic->flags|= AVFMT_FLAG_GENPTS;
2894 /* If not enough info to get the stream parameters, we decode the
2895 first frames to get it. (used in mpeg case for example) */
2896 ret = av_find_stream_info(ic);
2897 if (ret < 0 && verbose >= 0) {
2898 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2902 timestamp = start_time;
2903 /* add the stream start time */
2904 if (ic->start_time != AV_NOPTS_VALUE)
2905 timestamp += ic->start_time;
2907 /* if seeking requested, we execute it */
2908 if (start_time != 0) {
2909 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2911 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2912 filename, (double)timestamp / AV_TIME_BASE);
2914 /* reset seek info */
2918 /* update the current parameters so that they match the one of the input stream */
2919 for(i=0;i<ic->nb_streams;i++) {
2921 AVCodecContext *enc = ic->streams[i]->codec;
2922 #if defined(HAVE_THREADS)
2924 avcodec_thread_init(enc, thread_count);
2926 enc->thread_count= thread_count;
2927 switch(enc->codec_type) {
2928 case CODEC_TYPE_AUDIO:
2929 for(j=0; j<opt_name_count; j++){
2931 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2932 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2933 av_set_double(enc, opt_names[j], d);
2935 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2936 audio_channels = enc->channels;
2937 audio_sample_rate = enc->sample_rate;
2939 ic->streams[i]->discard= AVDISCARD_ALL;
2941 case CODEC_TYPE_VIDEO:
2942 for(j=0; j<opt_name_count; j++){
2944 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2945 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2946 av_set_double(enc, opt_names[j], d);
2948 frame_height = enc->height;
2949 frame_width = enc->width;
2950 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2951 frame_pix_fmt = enc->pix_fmt;
2952 rfps = ic->streams[i]->r_frame_rate.num;
2953 rfps_base = ic->streams[i]->r_frame_rate.den;
2954 enc->workaround_bugs = workaround_bugs;
2955 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2957 enc->debug |= FF_DEBUG_MV;
2959 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2962 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2963 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2965 (float)rfps / rfps_base, rfps, rfps_base);
2967 /* update the current frame rate to match the stream frame rate */
2969 frame_rate_base = rfps_base;
2971 enc->rate_emu = rate_emu;
2973 ic->streams[i]->discard= AVDISCARD_ALL;
2974 else if(video_discard)
2975 ic->streams[i]->discard= video_discard;
2977 case CODEC_TYPE_DATA:
2979 case CODEC_TYPE_SUBTITLE:
2981 case CODEC_TYPE_UNKNOWN:
2988 input_files[nb_input_files] = ic;
2989 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
2990 /* dump the file content */
2992 dump_format(ic, nb_input_files, filename, 0);
2995 file_iformat = NULL;
2996 file_oformat = NULL;
2997 image_format = NULL;
3005 static void opt_grab(const char *arg)
3007 file_iformat = av_find_input_format(arg);
3011 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
3013 int has_video, has_audio, i, j;
3014 AVFormatContext *ic;
3018 for(j=0;j<nb_input_files;j++) {
3019 ic = input_files[j];
3020 for(i=0;i<ic->nb_streams;i++) {
3021 AVCodecContext *enc = ic->streams[i]->codec;
3022 switch(enc->codec_type) {
3023 case CODEC_TYPE_AUDIO:
3026 case CODEC_TYPE_VIDEO:
3029 case CODEC_TYPE_DATA:
3030 case CODEC_TYPE_UNKNOWN:
3031 case CODEC_TYPE_SUBTITLE:
3038 *has_video_ptr = has_video;
3039 *has_audio_ptr = has_audio;
3042 static void new_video_stream(AVFormatContext *oc)
3045 AVCodecContext *video_enc;
3048 st = av_new_stream(oc, oc->nb_streams);
3050 fprintf(stderr, "Could not alloc stream\n");
3053 #if defined(HAVE_THREADS)
3055 avcodec_thread_init(st->codec, thread_count);
3058 video_enc = st->codec;
3061 video_enc->codec_tag= video_codec_tag;
3063 if( (video_global_header&1)
3064 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3065 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3066 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3068 if(video_global_header&2){
3069 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3070 avctx_opts->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3073 if (video_stream_copy) {
3074 st->stream_copy = 1;
3075 video_enc->codec_type = CODEC_TYPE_VIDEO;
3081 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3082 if (video_codec_id != CODEC_ID_NONE)
3083 codec_id = video_codec_id;
3085 video_enc->codec_id = codec_id;
3086 codec = avcodec_find_encoder(codec_id);
3088 for(i=0; i<opt_name_count; i++){
3090 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3091 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3092 av_set_double(video_enc, opt_names[i], d);
3095 video_enc->bit_rate = video_bit_rate;
3096 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3097 video_enc->time_base.den = frame_rate;
3098 video_enc->time_base.num = frame_rate_base;
3099 if(codec && codec->supported_framerates){
3100 const AVRational *p= codec->supported_framerates;
3101 AVRational req= (AVRational){frame_rate, frame_rate_base};
3102 const AVRational *best=NULL;
3103 AVRational best_error= (AVRational){INT_MAX, 1};
3104 for(; p->den!=0; p++){
3105 AVRational error= av_sub_q(req, *p);
3106 if(error.num <0) error.num *= -1;
3107 if(av_cmp_q(error, best_error) < 0){
3112 video_enc->time_base.den= best->num;
3113 video_enc->time_base.num= best->den;
3116 video_enc->width = frame_width + frame_padright + frame_padleft;
3117 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3118 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3119 video_enc->pix_fmt = frame_pix_fmt;
3121 if(codec && codec->pix_fmts){
3122 const enum PixelFormat *p= codec->pix_fmts;
3124 if(*p == video_enc->pix_fmt)
3128 video_enc->pix_fmt = codec->pix_fmts[0];
3132 video_enc->gop_size = gop_size;
3134 video_enc->gop_size = 0;
3135 if (video_qscale || same_quality) {
3136 video_enc->flags |= CODEC_FLAG_QSCALE;
3137 video_enc->global_quality=
3138 st->quality = FF_QP2LAMBDA * video_qscale;
3142 video_enc->intra_matrix = intra_matrix;
3144 video_enc->inter_matrix = inter_matrix;
3146 video_enc->pre_me = pre_me;
3149 video_enc->max_b_frames = b_frames;
3150 video_enc->b_frame_strategy = b_strategy;
3151 video_enc->b_quant_factor = 2.0;
3153 video_enc->qmin = video_qmin;
3154 video_enc->qmax = video_qmax;
3155 video_enc->lmin = video_lmin;
3156 video_enc->lmax = video_lmax;
3157 video_enc->rc_qsquish = video_qsquish;
3158 video_enc->mb_lmin = video_mb_lmin;
3159 video_enc->mb_lmax = video_mb_lmax;
3160 video_enc->max_qdiff = video_qdiff;
3161 video_enc->qblur = video_qblur;
3162 video_enc->qcompress = video_qcomp;
3163 video_enc->rc_eq = video_rc_eq;
3164 video_enc->workaround_bugs = workaround_bugs;
3165 video_enc->thread_count = thread_count;
3166 p= video_rc_override_string;
3169 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3171 fprintf(stderr, "error parsing rc_override\n");
3174 video_enc->rc_override=
3175 av_realloc(video_enc->rc_override,
3176 sizeof(RcOverride)*(i+1));
3177 video_enc->rc_override[i].start_frame= start;
3178 video_enc->rc_override[i].end_frame = end;
3180 video_enc->rc_override[i].qscale= q;
3181 video_enc->rc_override[i].quality_factor= 1.0;
3184 video_enc->rc_override[i].qscale= 0;
3185 video_enc->rc_override[i].quality_factor= -q/100.0;
3190 video_enc->rc_override_count=i;
3192 video_enc->rc_max_rate = video_rc_max_rate;
3193 video_enc->rc_min_rate = video_rc_min_rate;
3194 video_enc->rc_buffer_size = video_rc_buffer_size;
3195 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3196 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3197 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3198 video_enc->i_quant_factor = video_i_qfactor;
3199 video_enc->b_quant_factor = video_b_qfactor;
3200 video_enc->i_quant_offset = video_i_qoffset;
3201 video_enc->b_quant_offset = video_b_qoffset;
3202 video_enc->intra_quant_bias = video_intra_quant_bias;
3203 video_enc->inter_quant_bias = video_inter_quant_bias;
3204 video_enc->me_threshold= me_threshold;
3205 video_enc->mb_threshold= mb_threshold;
3206 video_enc->intra_dc_precision= intra_dc_precision - 8;
3207 video_enc->strict_std_compliance = strict;
3208 video_enc->error_rate = error_rate;
3209 video_enc->scenechange_threshold= sc_threshold;
3210 video_enc->me_range = me_range;
3211 video_enc->me_penalty_compensation= me_penalty_compensation;
3212 video_enc->frame_skip_threshold= frame_skip_threshold;
3213 video_enc->frame_skip_factor= frame_skip_factor;
3214 video_enc->frame_skip_exp= frame_skip_exp;
3217 video_enc->rtp_mode= 1;
3218 video_enc->rtp_payload_size= packet_size;
3222 video_enc->flags|= CODEC_FLAG_PSNR;
3224 video_enc->me_method = me_method;
3229 video_enc->flags |= CODEC_FLAG_PASS1;
3231 video_enc->flags |= CODEC_FLAG_PASS2;
3236 /* reset some key parameters */
3238 video_codec_id = CODEC_ID_NONE;
3239 video_stream_copy = 0;
3242 static void new_audio_stream(AVFormatContext *oc)
3245 AVCodecContext *audio_enc;
3248 st = av_new_stream(oc, oc->nb_streams);
3250 fprintf(stderr, "Could not alloc stream\n");
3253 #if defined(HAVE_THREADS)
3255 avcodec_thread_init(st->codec, thread_count);
3258 audio_enc = st->codec;
3259 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3262 audio_enc->codec_tag= audio_codec_tag;
3264 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3265 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3266 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3268 if (audio_stream_copy) {
3269 st->stream_copy = 1;
3270 audio_enc->channels = audio_channels;
3272 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3274 for(i=0; i<opt_name_count; i++){
3276 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3277 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3278 av_set_double(audio_enc, opt_names[i], d);
3281 if (audio_codec_id != CODEC_ID_NONE)
3282 codec_id = audio_codec_id;
3283 audio_enc->codec_id = codec_id;
3285 audio_enc->bit_rate = audio_bit_rate;
3286 if (audio_qscale > QSCALE_NONE) {
3287 audio_enc->flags |= CODEC_FLAG_QSCALE;
3288 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3290 audio_enc->strict_std_compliance = strict;
3291 audio_enc->thread_count = thread_count;
3292 /* For audio codecs other than AC3 or DTS we limit */
3293 /* the number of coded channels to stereo */
3294 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3295 && codec_id != CODEC_ID_DTS) {
3296 audio_enc->channels = 2;
3298 audio_enc->channels = audio_channels;
3300 audio_enc->sample_rate = audio_sample_rate;
3301 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3302 if (audio_language) {
3303 pstrcpy(st->language, sizeof(st->language), audio_language);
3304 av_free(audio_language);
3305 audio_language = NULL;
3308 /* reset some key parameters */
3310 audio_codec_id = CODEC_ID_NONE;
3311 audio_stream_copy = 0;
3314 static void opt_new_subtitle_stream(void)
3316 AVFormatContext *oc;
3318 AVCodecContext *subtitle_enc;
3321 if (nb_output_files <= 0) {
3322 fprintf(stderr, "At least one output file must be specified\n");
3325 oc = output_files[nb_output_files - 1];
3327 st = av_new_stream(oc, oc->nb_streams);
3329 fprintf(stderr, "Could not alloc stream\n");
3333 subtitle_enc = st->codec;
3334 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3335 if (subtitle_stream_copy) {
3336 st->stream_copy = 1;
3338 for(i=0; i<opt_name_count; i++){
3340 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3341 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3342 av_set_double(subtitle_enc, opt_names[i], d);
3344 subtitle_enc->codec_id = subtitle_codec_id;
3347 if (subtitle_language) {
3348 pstrcpy(st->language, sizeof(st->language), subtitle_language);
3349 av_free(subtitle_language);
3350 subtitle_language = NULL;
3353 subtitle_codec_id = CODEC_ID_NONE;
3354 subtitle_stream_copy = 0;
3357 static void opt_new_audio_stream(void)
3359 AVFormatContext *oc;
3360 if (nb_output_files <= 0) {
3361 fprintf(stderr, "At least one output file must be specified\n");
3364 oc = output_files[nb_output_files - 1];
3365 new_audio_stream(oc);
3368 static void opt_new_video_stream(void)
3370 AVFormatContext *oc;
3371 if (nb_output_files <= 0) {
3372 fprintf(stderr, "At least one output file must be specified\n");
3375 oc = output_files[nb_output_files - 1];
3376 new_video_stream(oc);
3379 static void opt_output_file(const char *filename)
3381 AVFormatContext *oc;
3382 int use_video, use_audio, input_has_video, input_has_audio;
3383 AVFormatParameters params, *ap = ¶ms;
3385 if (!strcmp(filename, "-"))
3388 oc = av_alloc_format_context();
3390 if (!file_oformat) {
3391 file_oformat = guess_format(NULL, filename, NULL);
3392 if (!file_oformat) {
3393 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3399 oc->oformat = file_oformat;
3400 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3402 if (!strcmp(file_oformat->name, "ffm") &&
3403 strstart(filename, "http:", NULL)) {
3404 /* special case for files sent to ffserver: we get the stream
3405 parameters from ffserver */
3406 if (read_ffserver_streams(oc, filename) < 0) {
3407 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3411 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3412 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3414 /* disable if no corresponding type found and at least one
3416 if (nb_input_files > 0) {
3417 check_audio_video_inputs(&input_has_video, &input_has_audio);
3418 if (!input_has_video)
3420 if (!input_has_audio)
3424 /* manual disable */
3425 if (audio_disable) {
3428 if (video_disable) {
3433 new_video_stream(oc);
3437 new_audio_stream(oc);
3440 if (!oc->nb_streams) {
3441 fprintf(stderr, "No audio or video streams available\n");
3445 oc->timestamp = rec_timestamp;
3448 pstrcpy(oc->title, sizeof(oc->title), str_title);
3450 pstrcpy(oc->author, sizeof(oc->author), str_author);
3452 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3454 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3457 output_files[nb_output_files++] = oc;
3459 /* check filename in case of an image number is expected */
3460 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3461 if (filename_number_test(oc->filename) < 0) {
3462 print_error(oc->filename, AVERROR_NUMEXPECTED);
3467 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3468 /* test if it already exists to avoid loosing precious files */
3469 if (!file_overwrite &&
3470 (strchr(filename, ':') == NULL ||
3471 strstart(filename, "file:", NULL))) {
3472 if (url_exist(filename)) {
3475 if ( !using_stdin ) {
3476 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3479 if (toupper(c) != 'Y') {
3480 fprintf(stderr, "Not overwriting - exiting\n");
3485 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3492 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3493 fprintf(stderr, "Could not open '%s'\n", filename);
3498 memset(ap, 0, sizeof(*ap));
3499 ap->image_format = image_format;
3500 if (av_set_parameters(oc, ap) < 0) {
3501 fprintf(stderr, "%s: Invalid encoding parameters\n",
3506 oc->packet_size= mux_packet_size;
3507 oc->mux_rate= mux_rate;
3508 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3509 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3510 oc->loop_output = loop_output;
3512 /* reset some options */
3513 file_oformat = NULL;
3514 file_iformat = NULL;
3515 image_format = NULL;
3518 /* prepare dummy protocols for grab */
3519 static void prepare_grab(void)
3521 int has_video, has_audio, i, j;
3522 AVFormatContext *oc;
3523 AVFormatContext *ic;
3524 AVFormatParameters vp1, *vp = &vp1;
3525 AVFormatParameters ap1, *ap = &ap1;
3527 /* see if audio/video inputs are needed */
3530 memset(ap, 0, sizeof(*ap));
3531 memset(vp, 0, sizeof(*vp));
3532 vp->time_base.num= 1;
3533 for(j=0;j<nb_output_files;j++) {
3534 oc = output_files[j];
3535 for(i=0;i<oc->nb_streams;i++) {
3536 AVCodecContext *enc = oc->streams[i]->codec;
3537 switch(enc->codec_type) {
3538 case CODEC_TYPE_AUDIO:
3539 if (enc->sample_rate > ap->sample_rate)
3540 ap->sample_rate = enc->sample_rate;
3541 if (enc->channels > ap->channels)
3542 ap->channels = enc->channels;
3545 case CODEC_TYPE_VIDEO:
3546 if (enc->width > vp->width)
3547 vp->width = enc->width;
3548 if (enc->height > vp->height)
3549 vp->height = enc->height;
3551 if (vp->time_base.num*(int64_t)enc->time_base.den > enc->time_base.num*(int64_t)vp->time_base.den){
3552 vp->time_base = enc->time_base;
3562 if (has_video == 0 && has_audio == 0) {
3563 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3568 AVInputFormat *fmt1;
3569 fmt1 = av_find_input_format(video_grab_format);
3570 vp->device = video_device;
3571 vp->channel = video_channel;
3572 vp->standard = video_standard;
3573 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3574 fprintf(stderr, "Could not find video grab device\n");
3577 /* If not enough info to get the stream parameters, we decode the
3578 first frames to get it. */
3579 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3580 fprintf(stderr, "Could not find video grab parameters\n");
3583 /* by now video grab has one stream */
3584 ic->streams[0]->r_frame_rate.num = vp->time_base.den;
3585 ic->streams[0]->r_frame_rate.den = vp->time_base.num;
3586 input_files[nb_input_files] = ic;
3589 dump_format(ic, nb_input_files, "", 0);
3593 if (has_audio && audio_grab_format) {
3594 AVInputFormat *fmt1;
3595 fmt1 = av_find_input_format(audio_grab_format);
3596 ap->device = audio_device;
3597 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
3598 fprintf(stderr, "Could not find audio grab device\n");
3601 input_files[nb_input_files] = ic;
3604 dump_format(ic, nb_input_files, "", 0);
3610 /* same option as mencoder */
3611 static void opt_pass(const char *pass_str)
3614 pass = atoi(pass_str);
3615 if (pass != 1 && pass != 2) {
3616 fprintf(stderr, "pass number can be only 1 or 2\n");
3622 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
3623 static int64_t getutime(void)
3625 return av_gettime();
3628 static int64_t getutime(void)
3630 struct rusage rusage;
3632 getrusage(RUSAGE_SELF, &rusage);
3633 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3637 extern int ffm_nopts;
3639 static void show_formats(void)
3641 AVInputFormat *ifmt;
3642 AVOutputFormat *ofmt;
3643 AVImageFormat *image_fmt;
3646 const char **pp, *last_name;
3648 printf("File formats:\n");
3653 const char *name=NULL;
3654 const char *long_name=NULL;
3656 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3657 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3658 strcmp(ofmt->name, last_name)>0){
3660 long_name= ofmt->long_name;
3664 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3665 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3666 strcmp(ifmt->name, last_name)>0){
3668 long_name= ifmt->long_name;
3671 if(name && strcmp(ifmt->name, name)==0)
3683 long_name ? long_name:" ");
3687 printf("Image formats (filename extensions, if any, follow):\n");
3688 for(image_fmt = first_image_format; image_fmt != NULL;
3689 image_fmt = image_fmt->next) {
3692 image_fmt->img_read ? "D":" ",
3693 image_fmt->img_write ? "E":" ",
3695 image_fmt->extensions ? image_fmt->extensions:" ");
3699 printf("Codecs:\n");
3705 const char *type_str;
3708 for(p = first_avcodec; p != NULL; p = p->next) {
3709 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3710 strcmp(p->name, last_name)>0){
3712 decode= encode= cap=0;
3714 if(p2 && strcmp(p->name, p2->name)==0){
3715 if(p->decode) decode=1;
3716 if(p->encode) encode=1;
3717 cap |= p->capabilities;
3722 last_name= p2->name;
3725 case CODEC_TYPE_VIDEO:
3728 case CODEC_TYPE_AUDIO:
3731 case CODEC_TYPE_SUBTITLE:
3740 decode ? "D": (/*p2->decoder ? "d":*/" "),
3743 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3744 cap & CODEC_CAP_DR1 ? "D":" ",
3745 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3747 /* if(p2->decoder && decode==0)
3748 printf(" use %s for decoding", p2->decoder->name);*/