3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19 #define HAVE_AV_CONFIG_H
22 #include "framehook.h"
29 #include <sys/ioctl.h>
32 #include <sys/resource.h>
36 #include <sys/types.h>
37 #include <sys/select.h>
40 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
48 #if !defined(INFINITY) && defined(HUGE_VAL)
49 #define INFINITY HUGE_VAL
52 /* select an input stream for an output stream */
53 typedef struct AVStreamMap {
57 int sync_stream_index;
60 /** select an input file for an output file */
61 typedef struct AVMetaDataMap {
66 extern const OptionDef options[];
68 static void show_help(void);
69 static void show_license(void);
70 static int opt_default(const char *opt, const char *arg);
74 static AVFormatContext *input_files[MAX_FILES];
75 static int64_t input_files_ts_offset[MAX_FILES];
76 static int nb_input_files = 0;
78 static AVFormatContext *output_files[MAX_FILES];
79 static int nb_output_files = 0;
81 static AVStreamMap stream_maps[MAX_FILES];
82 static int nb_stream_maps;
84 static AVMetaDataMap meta_data_maps[MAX_FILES];
85 static int nb_meta_data_maps;
87 static AVInputFormat *file_iformat;
88 static AVOutputFormat *file_oformat;
89 static AVImageFormat *image_format;
90 static int frame_width = 0;
91 static int frame_height = 0;
92 static float frame_aspect_ratio = 0;
93 static enum PixelFormat frame_pix_fmt = PIX_FMT_NONE;
94 static int frame_padtop = 0;
95 static int frame_padbottom = 0;
96 static int frame_padleft = 0;
97 static int frame_padright = 0;
98 static int padcolor[3] = {16,128,128}; /* default to black */
99 static int frame_topBand = 0;
100 static int frame_bottomBand = 0;
101 static int frame_leftBand = 0;
102 static int frame_rightBand = 0;
103 static int max_frames[4] = {INT_MAX, INT_MAX, INT_MAX, INT_MAX};
104 static int frame_rate = 25;
105 static int frame_rate_base = 1;
106 static int video_bit_rate = 200*1000;
107 static int video_bit_rate_tolerance = 4000*1000;
108 static float video_qscale = 0;
109 static int video_qmin = 2;
110 static int video_qmax = 31;
111 static int video_lmin = 2*FF_QP2LAMBDA;
112 static int video_lmax = 31*FF_QP2LAMBDA;
113 static int video_mb_lmin = 2*FF_QP2LAMBDA;
114 static int video_mb_lmax = 31*FF_QP2LAMBDA;
115 static int video_qdiff = 3;
116 static float video_qblur = 0.5;
117 static float video_qsquish = 0.0;
118 static float video_qcomp = 0.5;
119 static uint16_t *intra_matrix = NULL;
120 static uint16_t *inter_matrix = NULL;
121 #if 0 //experimental, (can be removed)
122 static float video_rc_qsquish=1.0;
123 static float video_rc_qmod_amp=0;
124 static int video_rc_qmod_freq=0;
126 static char *video_rc_override_string=NULL;
127 static char *video_rc_eq="tex^qComp";
128 static int video_rc_buffer_size=0;
129 static float video_rc_buffer_aggressivity=1.0;
130 static int video_rc_max_rate=0;
131 static int video_rc_min_rate=0;
132 static float video_rc_initial_cplx=0;
133 static float video_b_qfactor = 1.25;
134 static float video_b_qoffset = 1.25;
135 static float video_i_qfactor = -0.8;
136 static float video_i_qoffset = 0.0;
137 static int video_intra_quant_bias= FF_DEFAULT_QUANT_BIAS;
138 static int video_inter_quant_bias= FF_DEFAULT_QUANT_BIAS;
139 static int me_method = ME_EPZS;
140 static int video_disable = 0;
141 static int video_discard = 0;
142 static int video_codec_id = CODEC_ID_NONE;
143 static int video_codec_tag = 0;
144 static int same_quality = 0;
145 static int b_frames = 0;
146 static int pre_me = 0;
147 static int do_deinterlace = 0;
148 static int workaround_bugs = FF_BUG_AUTODETECT;
149 static int packet_size = 0;
150 static int error_rate = 0;
151 static int strict = 0;
152 static int top_field_first = -1;
153 static int sc_threshold = 0;
154 static int me_threshold = 0;
155 static int mb_threshold = 0;
156 static int intra_dc_precision = 8;
157 static int me_penalty_compensation= 256;
158 static int frame_skip_threshold= 0;
159 static int frame_skip_factor= 0;
160 static int frame_skip_exp= 0;
161 extern int loop_input; /* currently a hack */
162 static int loop_output = AVFMT_NOOUTPUTLOOP;
163 static int genpts = 0;
164 static int qp_hist = 0;
166 static int gop_size = 12;
167 static int intra_only = 0;
168 static int audio_sample_rate = 44100;
169 static int audio_bit_rate = 64000;
170 #define QSCALE_NONE -99999
171 static float audio_qscale = QSCALE_NONE;
172 static int audio_disable = 0;
173 static int audio_channels = 1;
174 static int audio_codec_id = CODEC_ID_NONE;
175 static int audio_codec_tag = 0;
176 static char *audio_language = NULL;
178 static int subtitle_codec_id = CODEC_ID_NONE;
179 static char *subtitle_language = NULL;
181 static int mux_rate= 0;
182 static int mux_packet_size= 0;
183 static float mux_preload= 0.5;
184 static float mux_max_delay= 0.7;
186 static int64_t recording_time = 0;
187 static int64_t start_time = 0;
188 static int64_t rec_timestamp = 0;
189 static int64_t input_ts_offset = 0;
190 static int file_overwrite = 0;
191 static char *str_title = NULL;
192 static char *str_author = NULL;
193 static char *str_copyright = NULL;
194 static char *str_comment = NULL;
195 static int do_benchmark = 0;
196 static int do_hex_dump = 0;
197 static int do_pkt_dump = 0;
198 static int do_psnr = 0;
199 static int do_vstats = 0;
200 static int do_pass = 0;
201 static char *pass_logfilename = NULL;
202 static int audio_stream_copy = 0;
203 static int video_stream_copy = 0;
204 static int subtitle_stream_copy = 0;
205 static int video_sync_method= 1;
206 static int audio_sync_method= 0;
207 static int copy_ts= 0;
208 static int opt_shortest = 0; //
209 static int video_global_header = 0;
211 static int rate_emu = 0;
214 static char *video_grab_format = "bktr";
216 #ifdef CONFIG_VIDEO4LINUX2
217 static char *video_grab_format = "video4linux2";
219 static char *video_grab_format = "video4linux";
222 static char *video_device = NULL;
223 static char *grab_device = NULL;
224 static int video_channel = 0;
225 static char *video_standard = "ntsc";
227 static char *audio_grab_format = "audio_device";
228 static char *audio_device = NULL;
229 static int audio_volume = 256;
231 static int using_stdin = 0;
232 static int using_vhook = 0;
233 static int verbose = 1;
234 static int thread_count= 1;
235 static int q_pressed = 0;
236 static int me_range = 0;
237 static int64_t video_size = 0;
238 static int64_t audio_size = 0;
239 static int64_t extra_size = 0;
240 static int nb_frames_dup = 0;
241 static int nb_frames_drop = 0;
242 static int input_sync;
243 static int limit_filesize = 0; //
245 static int pgmyuv_compatibility_hack=0;
247 const char **opt_names=NULL;
248 int opt_name_count=0;
249 AVCodecContext *avctx_opts;
252 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
254 struct AVInputStream;
256 typedef struct AVOutputStream {
257 int file_index; /* file index */
258 int index; /* stream index in the output file */
259 int source_index; /* AVInputStream index */
260 AVStream *st; /* stream in the output file */
261 int encoding_needed; /* true if encoding needed for this stream */
263 /* input pts and corresponding output pts
265 //double sync_ipts; /* dts from the AVPacket of the demuxer in second units */
266 struct AVInputStream *sync_ist; /* input stream to sync against */
267 int64_t sync_opts; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
269 int video_resample; /* video_resample and video_crop are mutually exclusive */
270 AVFrame pict_tmp; /* temporary image for resampling */
271 ImgReSampleContext *img_resample_ctx; /* for image resampling */
273 int video_crop; /* video_resample and video_crop are mutually exclusive */
274 int topBand; /* cropping area sizes */
277 int video_pad; /* video_resample and video_pad are mutually exclusive */
278 int padtop; /* padding area sizes */
285 ReSampleContext *resample; /* for audio resampling */
286 FifoBuffer fifo; /* for compression: one audio fifo per codec */
290 typedef struct AVInputStream {
294 int discard; /* true if stream data should be discarded */
295 int decoding_needed; /* true if the packets must be decoded in 'raw_fifo' */
296 int64_t sample_index; /* current sample */
298 int64_t start; /* time when read started */
299 unsigned long frame; /* current frame */
300 int64_t next_pts; /* synthetic pts for cases where pkt.pts
302 int64_t pts; /* current pts */
303 int is_start; /* is 1 at the start and after a discontinuity */
306 typedef struct AVInputFile {
307 int eof_reached; /* true if eof reached */
308 int ist_index; /* index of first stream in ist_table */
309 int buffer_size; /* current total buffer size */
310 int buffer_size_max; /* buffer size at which we consider we can stop
312 int nb_streams; /* nb streams we are aware of */
317 /* init terminal so that we can grab keys */
318 static struct termios oldtty;
320 static void term_exit(void)
322 tcsetattr (0, TCSANOW, &oldtty);
325 static volatile sig_atomic_t received_sigterm = 0;
328 sigterm_handler(int sig)
330 received_sigterm = sig;
334 static void term_init(void)
341 tty.c_iflag &= ~(IGNBRK|BRKINT|PARMRK|ISTRIP
342 |INLCR|IGNCR|ICRNL|IXON);
343 tty.c_oflag |= OPOST;
344 tty.c_lflag &= ~(ECHO|ECHONL|ICANON|IEXTEN);
345 tty.c_cflag &= ~(CSIZE|PARENB);
350 tcsetattr (0, TCSANOW, &tty);
352 signal(SIGINT , sigterm_handler); /* Interrupt (ANSI). */
353 signal(SIGQUIT, sigterm_handler); /* Quit (POSIX). */
354 signal(SIGTERM, sigterm_handler); /* Termination (ANSI). */
356 register a function to be called at normal program termination
359 #ifdef CONFIG_BEOS_NETSERVER
360 fcntl(0, F_SETFL, fcntl(0, F_GETFL) | O_NONBLOCK);
364 /* read a key without blocking */
365 static int read_key(void)
369 #ifndef CONFIG_BEOS_NETSERVER
377 n = select(1, &rfds, NULL, NULL, &tv);
389 static int decode_interrupt_cb(void)
391 return q_pressed || (q_pressed = read_key() == 'q');
396 static volatile int received_sigterm = 0;
398 /* no interactive support */
399 static void term_exit(void)
403 static void term_init(void)
407 static int read_key(void)
414 static int read_ffserver_streams(AVFormatContext *s, const char *filename)
419 err = av_open_input_file(&ic, filename, NULL, FFM_PACKET_SIZE, NULL);
422 /* copy stream format */
423 s->nb_streams = ic->nb_streams;
424 for(i=0;i<ic->nb_streams;i++) {
427 // FIXME: a more elegant solution is needed
428 st = av_mallocz(sizeof(AVStream));
429 memcpy(st, ic->streams[i], sizeof(AVStream));
430 st->codec = avcodec_alloc_context();
431 memcpy(st->codec, ic->streams[i]->codec, sizeof(AVCodecContext));
435 av_close_input_file(ic);
440 get_sync_ipts(const AVOutputStream *ost)
442 const AVInputStream *ist = ost->sync_ist;
443 return (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/AV_TIME_BASE;
446 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
448 static void do_audio_out(AVFormatContext *s,
451 unsigned char *buf, int size)
454 static uint8_t *audio_buf = NULL;
455 static uint8_t *audio_out = NULL;
456 const int audio_out_size= 4*MAX_AUDIO_PACKET_SIZE;
458 int size_out, frame_bytes, ret;
459 AVCodecContext *enc= ost->st->codec;
461 /* SC: dynamic allocation of buffers */
463 audio_buf = av_malloc(2*MAX_AUDIO_PACKET_SIZE);
465 audio_out = av_malloc(audio_out_size);
466 if (!audio_buf || !audio_out)
467 return; /* Should signal an error ! */
469 if(audio_sync_method){
470 double delta = get_sync_ipts(ost) * enc->sample_rate - ost->sync_opts
471 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2);
472 double idelta= delta*ist->st->codec->sample_rate / enc->sample_rate;
473 int byte_delta= ((int)idelta)*2*ist->st->codec->channels;
475 //FIXME resample delay
476 if(fabs(delta) > 50){
479 byte_delta= FFMAX(byte_delta, -size);
483 fprintf(stderr, "discarding %d audio samples\n", (int)-delta);
488 static uint8_t *input_tmp= NULL;
489 input_tmp= av_realloc(input_tmp, byte_delta + size);
491 if(byte_delta + size <= MAX_AUDIO_PACKET_SIZE)
494 byte_delta= MAX_AUDIO_PACKET_SIZE - size;
496 memset(input_tmp, 0, byte_delta);
497 memcpy(input_tmp + byte_delta, buf, size);
501 fprintf(stderr, "adding %d audio samples of silence\n", (int)delta);
503 }else if(audio_sync_method>1){
504 int comp= clip(delta, -audio_sync_method, audio_sync_method);
505 assert(ost->audio_resample);
507 fprintf(stderr, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta, comp, enc->sample_rate);
508 // 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));
509 av_resample_compensate(*(struct AVResampleContext**)ost->resample, comp, enc->sample_rate);
513 ost->sync_opts= lrintf(get_sync_ipts(ost) * enc->sample_rate)
514 - fifo_size(&ost->fifo, ost->fifo.rptr)/(ost->st->codec->channels * 2); //FIXME wrong
516 if (ost->audio_resample) {
518 size_out = audio_resample(ost->resample,
519 (short *)buftmp, (short *)buf,
520 size / (ist->st->codec->channels * 2));
521 size_out = size_out * enc->channels * 2;
527 /* now encode as many frames as possible */
528 if (enc->frame_size > 1) {
529 /* output resampled raw samples */
530 fifo_write(&ost->fifo, buftmp, size_out,
533 frame_bytes = enc->frame_size * 2 * enc->channels;
535 while (fifo_read(&ost->fifo, audio_buf, frame_bytes,
536 &ost->fifo.rptr) == 0) {
538 av_init_packet(&pkt);
540 ret = avcodec_encode_audio(enc, audio_out, audio_out_size,
543 pkt.stream_index= ost->index;
546 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
547 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
548 pkt.flags |= PKT_FLAG_KEY;
549 av_interleaved_write_frame(s, &pkt);
551 ost->sync_opts += enc->frame_size;
555 av_init_packet(&pkt);
557 ost->sync_opts += size_out / (2 * enc->channels);
559 /* output a pcm frame */
560 /* XXX: change encoding codec API to avoid this ? */
561 switch(enc->codec->id) {
562 case CODEC_ID_PCM_S32LE:
563 case CODEC_ID_PCM_S32BE:
564 case CODEC_ID_PCM_U32LE:
565 case CODEC_ID_PCM_U32BE:
566 size_out = size_out << 1;
568 case CODEC_ID_PCM_S24LE:
569 case CODEC_ID_PCM_S24BE:
570 case CODEC_ID_PCM_U24LE:
571 case CODEC_ID_PCM_U24BE:
572 case CODEC_ID_PCM_S24DAUD:
573 size_out = size_out / 2 * 3;
575 case CODEC_ID_PCM_S16LE:
576 case CODEC_ID_PCM_S16BE:
577 case CODEC_ID_PCM_U16LE:
578 case CODEC_ID_PCM_U16BE:
581 size_out = size_out >> 1;
584 ret = avcodec_encode_audio(enc, audio_out, size_out,
587 pkt.stream_index= ost->index;
590 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
591 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
592 pkt.flags |= PKT_FLAG_KEY;
593 av_interleaved_write_frame(s, &pkt);
597 static void pre_process_video_frame(AVInputStream *ist, AVPicture *picture, void **bufp)
601 AVPicture picture_tmp;
604 dec = ist->st->codec;
606 /* deinterlace : must be done before any resize */
607 if (do_deinterlace || using_vhook) {
610 /* create temporary picture */
611 size = avpicture_get_size(dec->pix_fmt, dec->width, dec->height);
612 buf = av_malloc(size);
616 picture2 = &picture_tmp;
617 avpicture_fill(picture2, buf, dec->pix_fmt, dec->width, dec->height);
620 if(avpicture_deinterlace(picture2, picture,
621 dec->pix_fmt, dec->width, dec->height) < 0) {
622 /* if error, do not deinterlace */
628 if (img_convert(picture2, dec->pix_fmt, picture,
629 dec->pix_fmt, dec->width, dec->height) < 0) {
630 /* if error, do not copy */
640 frame_hook_process(picture2, dec->pix_fmt, dec->width, dec->height);
642 if (picture != picture2)
643 *picture = *picture2;
647 /* we begin to correct av delay at this threshold */
648 #define AV_DELAY_MAX 0.100
651 /* Expects img to be yuv420 */
652 static void fill_pad_region(AVPicture* img, int height, int width,
653 int padtop, int padbottom, int padleft, int padright, int *color) {
658 for (i = 0; i < 3; i++) {
659 shift = (i == 0) ? 0 : 1;
661 if (padtop || padleft) {
662 memset(img->data[i], color[i], (((img->linesize[i] * padtop) +
666 if (padleft || padright) {
667 optr = img->data[i] + (img->linesize[i] * (padtop >> shift)) +
668 (img->linesize[i] - (padright >> shift));
670 for (y = 0; y < ((height - (padtop + padbottom) - 1) >> shift); y++) {
671 memset(optr, color[i], (padleft + padright) >> shift);
672 optr += img->linesize[i];
676 if (padbottom || padright) {
677 optr = img->data[i] + (((img->linesize[i] * (height - padbottom)) - padright) >> shift);
678 memset(optr, color[i], (((img->linesize[i] * padbottom) + padright) >> shift));
683 static void do_subtitle_out(AVFormatContext *s,
689 static uint8_t *subtitle_out = NULL;
690 int subtitle_out_max_size = 65536;
691 int subtitle_out_size, nb, i;
695 if (pts == AV_NOPTS_VALUE) {
696 fprintf(stderr, "Subtitle packets must have a pts\n");
700 enc = ost->st->codec;
703 subtitle_out = av_malloc(subtitle_out_max_size);
706 /* Note: DVB subtitle need one packet to draw them and one other
707 packet to clear them */
708 /* XXX: signal it in the codec context ? */
709 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE)
714 for(i = 0; i < nb; i++) {
715 subtitle_out_size = avcodec_encode_subtitle(enc, subtitle_out,
716 subtitle_out_max_size, sub);
718 av_init_packet(&pkt);
719 pkt.stream_index = ost->index;
720 pkt.data = subtitle_out;
721 pkt.size = subtitle_out_size;
722 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);
723 if (enc->codec_id == CODEC_ID_DVB_SUBTITLE) {
724 /* XXX: the pts correction is handled here. Maybe handling
725 it in the codec would be better */
727 pkt.pts += 90 * sub->start_display_time;
729 pkt.pts += 90 * sub->end_display_time;
731 av_interleaved_write_frame(s, &pkt);
735 static int bit_buffer_size= 1024*256;
736 static uint8_t *bit_buffer= NULL;
738 static void do_video_out(AVFormatContext *s,
744 int nb_frames, i, ret;
745 AVFrame *final_picture, *formatted_picture;
746 AVFrame picture_format_temp, picture_crop_temp;
747 uint8_t *buf = NULL, *buf1 = NULL;
748 AVCodecContext *enc, *dec;
749 enum PixelFormat target_pixfmt;
751 avcodec_get_frame_defaults(&picture_format_temp);
752 avcodec_get_frame_defaults(&picture_crop_temp);
754 enc = ost->st->codec;
755 dec = ist->st->codec;
757 /* by default, we output a single frame */
762 if(video_sync_method){
764 vdelta = get_sync_ipts(ost) / av_q2d(enc->time_base) - ost->sync_opts;
765 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
768 else if (vdelta > 1.1)
769 nb_frames = lrintf(vdelta);
770 //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);
774 fprintf(stderr, "*** drop!\n");
775 }else if (nb_frames > 1) {
776 nb_frames_dup += nb_frames;
778 fprintf(stderr, "*** %d dup!\n", nb_frames-1);
781 ost->sync_opts= lrintf(get_sync_ipts(ost) / av_q2d(enc->time_base));
783 nb_frames= FFMIN(nb_frames, max_frames[CODEC_TYPE_VIDEO] - ost->frame_number);
787 /* convert pixel format if needed */
788 target_pixfmt = ost->video_resample || ost->video_pad
789 ? PIX_FMT_YUV420P : enc->pix_fmt;
790 if (dec->pix_fmt != target_pixfmt) {
793 /* create temporary picture */
794 size = avpicture_get_size(target_pixfmt, dec->width, dec->height);
795 buf = av_malloc(size);
798 formatted_picture = &picture_format_temp;
799 avpicture_fill((AVPicture*)formatted_picture, buf, target_pixfmt, dec->width, dec->height);
801 if (img_convert((AVPicture*)formatted_picture, target_pixfmt,
802 (AVPicture *)in_picture, dec->pix_fmt,
803 dec->width, dec->height) < 0) {
806 fprintf(stderr, "pixel format conversion not handled\n");
811 formatted_picture = in_picture;
814 /* XXX: resampling could be done before raw format conversion in
815 some cases to go faster */
816 /* XXX: only works for YUV420P */
817 if (ost->video_resample) {
818 final_picture = &ost->pict_tmp;
819 img_resample(ost->img_resample_ctx, (AVPicture*)final_picture, (AVPicture*)formatted_picture);
821 if (ost->padtop || ost->padbottom || ost->padleft || ost->padright) {
822 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
823 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
827 if (enc->pix_fmt != PIX_FMT_YUV420P) {
831 /* create temporary picture */
832 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
833 buf = av_malloc(size);
836 final_picture = &picture_format_temp;
837 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
839 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
840 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
841 enc->width, enc->height) < 0) {
844 fprintf(stderr, "pixel format conversion not handled\n");
849 } else if (ost->video_crop) {
850 picture_crop_temp.data[0] = formatted_picture->data[0] +
851 (ost->topBand * formatted_picture->linesize[0]) + ost->leftBand;
853 picture_crop_temp.data[1] = formatted_picture->data[1] +
854 ((ost->topBand >> 1) * formatted_picture->linesize[1]) +
855 (ost->leftBand >> 1);
857 picture_crop_temp.data[2] = formatted_picture->data[2] +
858 ((ost->topBand >> 1) * formatted_picture->linesize[2]) +
859 (ost->leftBand >> 1);
861 picture_crop_temp.linesize[0] = formatted_picture->linesize[0];
862 picture_crop_temp.linesize[1] = formatted_picture->linesize[1];
863 picture_crop_temp.linesize[2] = formatted_picture->linesize[2];
864 final_picture = &picture_crop_temp;
865 } else if (ost->video_pad) {
866 final_picture = &ost->pict_tmp;
868 for (i = 0; i < 3; i++) {
869 uint8_t *optr, *iptr;
870 int shift = (i == 0) ? 0 : 1;
873 /* set offset to start writing image into */
874 optr = final_picture->data[i] + (((final_picture->linesize[i] *
875 ost->padtop) + ost->padleft) >> shift);
876 iptr = formatted_picture->data[i];
878 yheight = (enc->height - ost->padtop - ost->padbottom) >> shift;
879 for (y = 0; y < yheight; y++) {
880 /* copy unpadded image row into padded image row */
881 memcpy(optr, iptr, formatted_picture->linesize[i]);
882 optr += final_picture->linesize[i];
883 iptr += formatted_picture->linesize[i];
887 fill_pad_region((AVPicture*)final_picture, enc->height, enc->width,
888 ost->padtop, ost->padbottom, ost->padleft, ost->padright,
891 if (enc->pix_fmt != PIX_FMT_YUV420P) {
895 /* create temporary picture */
896 size = avpicture_get_size(enc->pix_fmt, enc->width, enc->height);
897 buf = av_malloc(size);
900 final_picture = &picture_format_temp;
901 avpicture_fill((AVPicture*)final_picture, buf, enc->pix_fmt, enc->width, enc->height);
903 if (img_convert((AVPicture*)final_picture, enc->pix_fmt,
904 (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
905 enc->width, enc->height) < 0) {
908 fprintf(stderr, "pixel format conversion not handled\n");
914 final_picture = formatted_picture;
916 /* duplicates frame if needed */
917 for(i=0;i<nb_frames;i++) {
919 av_init_packet(&pkt);
920 pkt.stream_index= ost->index;
922 if (s->oformat->flags & AVFMT_RAWPICTURE) {
923 /* raw pictures are written as AVPicture structure to
924 avoid any copies. We support temorarily the older
926 AVFrame* old_frame = enc->coded_frame;
927 enc->coded_frame = dec->coded_frame; //FIXME/XXX remove this hack
928 pkt.data= (uint8_t *)final_picture;
929 pkt.size= sizeof(AVPicture);
930 if(dec->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
931 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
932 if(dec->coded_frame && dec->coded_frame->key_frame)
933 pkt.flags |= PKT_FLAG_KEY;
935 av_interleaved_write_frame(s, &pkt);
936 enc->coded_frame = old_frame;
940 big_picture= *final_picture;
941 /* better than nothing: use input picture interlaced
943 big_picture.interlaced_frame = in_picture->interlaced_frame;
944 if(avctx_opts->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME)){
945 if(top_field_first == -1)
946 big_picture.top_field_first = in_picture->top_field_first;
948 big_picture.top_field_first = top_field_first;
951 /* handles sameq here. This is not correct because it may
952 not be a global option */
954 big_picture.quality = ist->st->quality;
956 big_picture.quality = ost->st->quality;
958 big_picture.pict_type = 0;
959 // big_picture.pts = AV_NOPTS_VALUE;
960 big_picture.pts= ost->sync_opts;
961 // big_picture.pts= av_rescale(ost->sync_opts, AV_TIME_BASE*(int64_t)enc->time_base.num, enc->time_base.den);
962 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
963 ret = avcodec_encode_video(enc,
964 bit_buffer, bit_buffer_size,
966 //enc->frame_number = enc->real_pict_num;
968 pkt.data= bit_buffer;
970 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
971 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
972 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
973 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1,
974 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->time_base.den, AV_TIME_BASE*(int64_t)enc->time_base.num) : -1);*/
976 if(enc->coded_frame && enc->coded_frame->key_frame)
977 pkt.flags |= PKT_FLAG_KEY;
978 av_interleaved_write_frame(s, &pkt);
980 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
981 // enc->frame_number-1, enc->real_pict_num, ret,
983 /* if two pass, output log */
984 if (ost->logfile && enc->stats_out) {
985 fprintf(ost->logfile, "%s", enc->stats_out);
997 static double psnr(double d){
998 if(d==0) return INFINITY;
999 return -10.0*log(d)/log(10.0);
1002 static void do_video_stats(AVFormatContext *os, AVOutputStream *ost,
1005 static FILE *fvstats=NULL;
1009 AVCodecContext *enc;
1012 double ti1, bitrate, avg_bitrate;
1015 today2 = time(NULL);
1016 today = localtime(&today2);
1017 snprintf(filename, sizeof(filename), "vstats_%02d%02d%02d.log", today->tm_hour,
1020 fvstats = fopen(filename,"w");
1028 enc = ost->st->codec;
1029 if (enc->codec_type == CODEC_TYPE_VIDEO) {
1030 frame_number = ost->frame_number;
1031 fprintf(fvstats, "frame= %5d q= %2.1f ", frame_number, enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1032 if (enc->flags&CODEC_FLAG_PSNR)
1033 fprintf(fvstats, "PSNR= %6.2f ", psnr(enc->coded_frame->error[0]/(enc->width*enc->height*255.0*255.0)));
1035 fprintf(fvstats,"f_size= %6d ", frame_size);
1036 /* compute pts value */
1037 ti1 = ost->sync_opts * av_q2d(enc->time_base);
1041 bitrate = (frame_size * 8) / av_q2d(enc->time_base) / 1000.0;
1042 avg_bitrate = (double)(video_size * 8) / ti1 / 1000.0;
1043 fprintf(fvstats, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
1044 (double)video_size / 1024, ti1, bitrate, avg_bitrate);
1045 fprintf(fvstats,"type= %c\n", av_get_pict_type_char(enc->coded_frame->pict_type));
1049 static void print_report(AVFormatContext **output_files,
1050 AVOutputStream **ost_table, int nb_ostreams,
1054 AVOutputStream *ost;
1055 AVFormatContext *oc, *os;
1057 AVCodecContext *enc;
1058 int frame_number, vid, i;
1059 double bitrate, ti1, pts;
1060 static int64_t last_time = -1;
1061 static int qp_histogram[52];
1063 if (!is_last_report) {
1065 /* display the report every 0.5 seconds */
1066 cur_time = av_gettime();
1067 if (last_time == -1) {
1068 last_time = cur_time;
1071 if ((cur_time - last_time) < 500000)
1073 last_time = cur_time;
1077 oc = output_files[0];
1079 total_size = url_ftell(&oc->pb);
1084 for(i=0;i<nb_ostreams;i++) {
1086 os = output_files[ost->file_index];
1087 enc = ost->st->codec;
1088 if (vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1089 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "q=%2.1f ",
1090 enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1092 if (!vid && enc->codec_type == CODEC_TYPE_VIDEO) {
1093 frame_number = ost->frame_number;
1094 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "frame=%5d q=%3.1f ",
1095 frame_number, enc->coded_frame ? enc->coded_frame->quality/(float)FF_QP2LAMBDA : -1);
1097 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "L");
1098 if(qp_hist && enc->coded_frame){
1100 int qp= lrintf(enc->coded_frame->quality/(float)FF_QP2LAMBDA);
1101 if(qp>=0 && qp<sizeof(qp_histogram)/sizeof(int))
1104 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%X", (int)lrintf(log(qp_histogram[j]+1)/log(2)));
1106 if (enc->flags&CODEC_FLAG_PSNR){
1108 double error, error_sum=0;
1109 double scale, scale_sum=0;
1110 char type[3]= {'Y','U','V'};
1111 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "PSNR=");
1114 error= enc->error[j];
1115 scale= enc->width*enc->height*255.0*255.0*frame_number;
1117 error= enc->coded_frame->error[j];
1118 scale= enc->width*enc->height*255.0*255.0;
1123 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "%c:%2.2f ", type[j], psnr(error/scale));
1125 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), "*:%2.2f ", psnr(error_sum/scale_sum));
1129 /* compute min output value */
1130 pts = (double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den;
1131 if ((pts < ti1) && (pts > 0))
1137 if (verbose || is_last_report) {
1138 bitrate = (double)(total_size * 8) / ti1 / 1000.0;
1140 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf),
1141 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1142 (double)total_size / 1024, ti1, bitrate);
1145 snprintf(buf + strlen(buf), sizeof(buf) - strlen(buf), " dup=%d drop=%d",
1146 nb_frames_dup, nb_frames_drop);
1149 fprintf(stderr, "%s \r", buf);
1154 if (is_last_report && verbose >= 0){
1155 int64_t raw= audio_size + video_size + extra_size;
1156 fprintf(stderr, "\n");
1157 fprintf(stderr, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1161 100.0*(total_size - raw)/raw
1166 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1167 static int output_packet(AVInputStream *ist, int ist_index,
1168 AVOutputStream **ost_table, int nb_ostreams,
1169 const AVPacket *pkt)
1171 AVFormatContext *os;
1172 AVOutputStream *ost;
1176 int data_size, got_picture;
1178 void *buffer_to_free;
1179 static unsigned int samples_size= 0;
1180 static short *samples= NULL;
1181 AVSubtitle subtitle, *subtitle_to_free;
1185 ist->pts= ist->next_pts; // needed for last packet if vsync=0
1186 } else if (pkt->dts != AV_NOPTS_VALUE) { //FIXME seems redundant, as libavformat does this too
1187 ist->next_pts = ist->pts = av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1189 // assert(ist->pts == ist->next_pts);
1203 /* decode the packet if needed */
1204 data_buf = NULL; /* fail safe */
1206 subtitle_to_free = NULL;
1207 if (ist->decoding_needed) {
1208 switch(ist->st->codec->codec_type) {
1209 case CODEC_TYPE_AUDIO:{
1211 samples= av_fast_realloc(samples, &samples_size, FFMAX(pkt->size, AVCODEC_MAX_AUDIO_FRAME_SIZE));
1212 /* XXX: could avoid copy if PCM 16 bits with same
1213 endianness as CPU */
1214 ret = avcodec_decode_audio(ist->st->codec, samples, &data_size,
1220 /* Some bug in mpeg audio decoder gives */
1221 /* data_size < 0, it seems they are overflows */
1222 if (data_size <= 0) {
1223 /* no audio frame */
1226 data_buf = (uint8_t *)samples;
1227 ist->next_pts += ((int64_t)AV_TIME_BASE/2 * data_size) /
1228 (ist->st->codec->sample_rate * ist->st->codec->channels);
1230 case CODEC_TYPE_VIDEO:
1231 data_size = (ist->st->codec->width * ist->st->codec->height * 3) / 2;
1232 /* XXX: allocate picture correctly */
1233 avcodec_get_frame_defaults(&picture);
1235 ret = avcodec_decode_video(ist->st->codec,
1236 &picture, &got_picture, ptr, len);
1237 ist->st->quality= picture.quality;
1241 /* no picture yet */
1242 goto discard_packet;
1244 if (ist->st->codec->time_base.num != 0) {
1245 ist->next_pts += ((int64_t)AV_TIME_BASE *
1246 ist->st->codec->time_base.num) /
1247 ist->st->codec->time_base.den;
1251 case CODEC_TYPE_SUBTITLE:
1252 ret = avcodec_decode_subtitle(ist->st->codec,
1253 &subtitle, &got_subtitle, ptr, len);
1256 if (!got_subtitle) {
1257 goto discard_packet;
1259 subtitle_to_free = &subtitle;
1266 switch(ist->st->codec->codec_type) {
1267 case CODEC_TYPE_AUDIO:
1268 ist->next_pts += ((int64_t)AV_TIME_BASE * ist->st->codec->frame_size) /
1269 (ist->st->codec->sample_rate * ist->st->codec->channels);
1271 case CODEC_TYPE_VIDEO:
1272 if (ist->st->codec->time_base.num != 0) {
1273 ist->next_pts += ((int64_t)AV_TIME_BASE *
1274 ist->st->codec->time_base.num) /
1275 ist->st->codec->time_base.den;
1285 buffer_to_free = NULL;
1286 if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1287 pre_process_video_frame(ist, (AVPicture *)&picture,
1291 // preprocess audio (volume)
1292 if (ist->st->codec->codec_type == CODEC_TYPE_AUDIO) {
1293 if (audio_volume != 256) {
1296 for(i=0;i<(data_size / sizeof(short));i++) {
1297 int v = ((*volp) * audio_volume + 128) >> 8;
1298 if (v < -32768) v = -32768;
1299 if (v > 32767) v = 32767;
1305 /* frame rate emulation */
1306 if (ist->st->codec->rate_emu) {
1307 int64_t pts = av_rescale((int64_t) ist->frame * ist->st->codec->time_base.num, 1000000, ist->st->codec->time_base.den);
1308 int64_t now = av_gettime() - ist->start;
1316 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1317 is the one of the next displayed one */
1318 /* XXX: add mpeg4 too ? */
1319 if (ist->st->codec->codec_id == CODEC_ID_MPEG1VIDEO) {
1320 if (ist->st->codec->pict_type != B_TYPE) {
1322 tmp = ist->last_ip_pts;
1323 ist->last_ip_pts = ist->frac_pts.val;
1324 ist->frac_pts.val = tmp;
1328 /* if output time reached then transcode raw format,
1329 encode packets and output them */
1330 if (start_time == 0 || ist->pts >= start_time)
1331 for(i=0;i<nb_ostreams;i++) {
1335 if (ost->source_index == ist_index) {
1336 os = output_files[ost->file_index];
1339 printf("%d: got pts=%0.3f %0.3f\n", i,
1340 (double)pkt->pts / AV_TIME_BASE,
1341 ((double)ist->pts / AV_TIME_BASE) -
1342 ((double)ost->st->pts.val * ost->st->time_base.num / ost->st->time_base.den));
1344 /* set the input output pts pairs */
1345 //ost->sync_ipts = (double)(ist->pts + input_files_ts_offset[ist->file_index] - start_time)/ AV_TIME_BASE;
1347 if (ost->encoding_needed) {
1348 switch(ost->st->codec->codec_type) {
1349 case CODEC_TYPE_AUDIO:
1350 do_audio_out(os, ost, ist, data_buf, data_size);
1352 case CODEC_TYPE_VIDEO:
1353 do_video_out(os, ost, ist, &picture, &frame_size);
1354 video_size += frame_size;
1355 if (do_vstats && frame_size)
1356 do_video_stats(os, ost, frame_size);
1358 case CODEC_TYPE_SUBTITLE:
1359 do_subtitle_out(os, ost, ist, &subtitle,
1366 AVFrame avframe; //FIXME/XXX remove this
1368 av_init_packet(&opkt);
1370 /* no reencoding needed : output the packet directly */
1371 /* force the input stream PTS */
1373 avcodec_get_frame_defaults(&avframe);
1374 ost->st->codec->coded_frame= &avframe;
1375 avframe.key_frame = pkt->flags & PKT_FLAG_KEY;
1377 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO)
1378 audio_size += data_size;
1379 else if (ost->st->codec->codec_type == CODEC_TYPE_VIDEO) {
1380 video_size += data_size;
1384 opkt.stream_index= ost->index;
1385 if(pkt->pts != AV_NOPTS_VALUE)
1386 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);
1388 opkt.pts= AV_NOPTS_VALUE;
1392 if (pkt->dts == AV_NOPTS_VALUE)
1393 dts = ist->next_pts;
1395 dts= av_rescale_q(pkt->dts, ist->st->time_base, AV_TIME_BASE_Q);
1396 opkt.dts= av_rescale_q(dts + input_files_ts_offset[ist->file_index], AV_TIME_BASE_Q, ost->st->time_base);
1398 opkt.flags= pkt->flags;
1399 if(av_parser_change(ist->st->parser, ost->st->codec, &opkt.data, &opkt.size, data_buf, data_size, pkt->flags & PKT_FLAG_KEY))
1400 opkt.destruct= av_destruct_packet;
1401 av_interleaved_write_frame(os, &opkt);
1402 ost->st->codec->frame_number++;
1403 ost->frame_number++;
1404 av_free_packet(&opkt);
1408 av_free(buffer_to_free);
1409 /* XXX: allocate the subtitles in the codec ? */
1410 if (subtitle_to_free) {
1411 if (subtitle_to_free->rects != NULL) {
1412 for (i = 0; i < subtitle_to_free->num_rects; i++) {
1413 av_free(subtitle_to_free->rects[i].bitmap);
1414 av_free(subtitle_to_free->rects[i].rgba_palette);
1416 av_freep(&subtitle_to_free->rects);
1418 subtitle_to_free->num_rects = 0;
1419 subtitle_to_free = NULL;
1426 for(i=0;i<nb_ostreams;i++) {
1428 if (ost->source_index == ist_index) {
1429 AVCodecContext *enc= ost->st->codec;
1430 os = output_files[ost->file_index];
1432 if(ost->st->codec->codec_type == CODEC_TYPE_AUDIO && enc->frame_size <=1)
1434 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO && (os->oformat->flags & AVFMT_RAWPICTURE))
1437 if (ost->encoding_needed) {
1440 av_init_packet(&pkt);
1441 pkt.stream_index= ost->index;
1443 switch(ost->st->codec->codec_type) {
1444 case CODEC_TYPE_AUDIO:
1445 ret = avcodec_encode_audio(enc, bit_buffer, bit_buffer_size, NULL);
1447 pkt.flags |= PKT_FLAG_KEY;
1449 case CODEC_TYPE_VIDEO:
1450 ret = avcodec_encode_video(enc, bit_buffer, bit_buffer_size, NULL);
1452 if(enc->coded_frame && enc->coded_frame->key_frame)
1453 pkt.flags |= PKT_FLAG_KEY;
1454 if (ost->logfile && enc->stats_out) {
1455 fprintf(ost->logfile, "%s", enc->stats_out);
1464 pkt.data= bit_buffer;
1466 if(enc->coded_frame && enc->coded_frame->pts != AV_NOPTS_VALUE)
1467 pkt.pts= av_rescale_q(enc->coded_frame->pts, enc->time_base, ost->st->time_base);
1468 av_interleaved_write_frame(os, &pkt);
1482 * The following code is the main loop of the file converter
1484 static int av_encode(AVFormatContext **output_files,
1485 int nb_output_files,
1486 AVFormatContext **input_files,
1488 AVStreamMap *stream_maps, int nb_stream_maps)
1490 int ret, i, j, k, n, nb_istreams = 0, nb_ostreams = 0;
1491 AVFormatContext *is, *os;
1492 AVCodecContext *codec, *icodec;
1493 AVOutputStream *ost, **ost_table = NULL;
1494 AVInputStream *ist, **ist_table = NULL;
1495 AVInputFile *file_table;
1496 AVFormatContext *stream_no_data;
1499 file_table= (AVInputFile*) av_mallocz(nb_input_files * sizeof(AVInputFile));
1503 /* input stream init */
1505 for(i=0;i<nb_input_files;i++) {
1506 is = input_files[i];
1507 file_table[i].ist_index = j;
1508 file_table[i].nb_streams = is->nb_streams;
1509 j += is->nb_streams;
1513 ist_table = av_mallocz(nb_istreams * sizeof(AVInputStream *));
1517 for(i=0;i<nb_istreams;i++) {
1518 ist = av_mallocz(sizeof(AVInputStream));
1524 for(i=0;i<nb_input_files;i++) {
1525 is = input_files[i];
1526 for(k=0;k<is->nb_streams;k++) {
1527 ist = ist_table[j++];
1528 ist->st = is->streams[k];
1529 ist->file_index = i;
1531 ist->discard = 1; /* the stream is discarded by default
1534 if (ist->st->codec->rate_emu) {
1535 ist->start = av_gettime();
1541 /* output stream init */
1543 for(i=0;i<nb_output_files;i++) {
1544 os = output_files[i];
1545 nb_ostreams += os->nb_streams;
1547 if (nb_stream_maps > 0 && nb_stream_maps != nb_ostreams) {
1548 fprintf(stderr, "Number of stream maps must match number of output streams\n");
1552 /* Sanity check the mapping args -- do the input files & streams exist? */
1553 for(i=0;i<nb_stream_maps;i++) {
1554 int fi = stream_maps[i].file_index;
1555 int si = stream_maps[i].stream_index;
1557 if (fi < 0 || fi > nb_input_files - 1 ||
1558 si < 0 || si > file_table[fi].nb_streams - 1) {
1559 fprintf(stderr,"Could not find input stream #%d.%d\n", fi, si);
1562 fi = stream_maps[i].sync_file_index;
1563 si = stream_maps[i].sync_stream_index;
1564 if (fi < 0 || fi > nb_input_files - 1 ||
1565 si < 0 || si > file_table[fi].nb_streams - 1) {
1566 fprintf(stderr,"Could not find sync stream #%d.%d\n", fi, si);
1571 ost_table = av_mallocz(sizeof(AVOutputStream *) * nb_ostreams);
1574 for(i=0;i<nb_ostreams;i++) {
1575 ost = av_mallocz(sizeof(AVOutputStream));
1582 for(k=0;k<nb_output_files;k++) {
1583 os = output_files[k];
1584 for(i=0;i<os->nb_streams;i++) {
1586 ost = ost_table[n++];
1587 ost->file_index = k;
1589 ost->st = os->streams[i];
1590 if (nb_stream_maps > 0) {
1591 ost->source_index = file_table[stream_maps[n-1].file_index].ist_index +
1592 stream_maps[n-1].stream_index;
1594 /* Sanity check that the stream types match */
1595 if (ist_table[ost->source_index]->st->codec->codec_type != ost->st->codec->codec_type) {
1596 fprintf(stderr, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1597 stream_maps[n-1].file_index, stream_maps[n-1].stream_index,
1598 ost->file_index, ost->index);
1603 /* get corresponding input stream index : we select the first one with the right type */
1605 for(j=0;j<nb_istreams;j++) {
1608 ist->st->codec->codec_type == ost->st->codec->codec_type) {
1609 ost->source_index = j;
1616 /* try again and reuse existing stream */
1617 for(j=0;j<nb_istreams;j++) {
1619 if (ist->st->codec->codec_type == ost->st->codec->codec_type) {
1620 ost->source_index = j;
1625 fprintf(stderr, "Could not find input stream matching output stream #%d.%d\n",
1626 ost->file_index, ost->index);
1631 ist = ist_table[ost->source_index];
1633 ost->sync_ist = (nb_stream_maps > 0) ?
1634 ist_table[file_table[stream_maps[n-1].sync_file_index].ist_index +
1635 stream_maps[n-1].sync_stream_index] : ist;
1639 /* for each output stream, we compute the right encoding parameters */
1640 for(i=0;i<nb_ostreams;i++) {
1642 ist = ist_table[ost->source_index];
1644 codec = ost->st->codec;
1645 icodec = ist->st->codec;
1647 if (ost->st->stream_copy) {
1648 /* if stream_copy is selected, no need to decode or encode */
1649 codec->codec_id = icodec->codec_id;
1650 codec->codec_type = icodec->codec_type;
1651 if(!codec->codec_tag) codec->codec_tag = icodec->codec_tag;
1652 codec->bit_rate = icodec->bit_rate;
1653 codec->extradata= icodec->extradata;
1654 codec->extradata_size= icodec->extradata_size;
1655 codec->time_base = icodec->time_base;
1656 switch(codec->codec_type) {
1657 case CODEC_TYPE_AUDIO:
1658 codec->sample_rate = icodec->sample_rate;
1659 codec->channels = icodec->channels;
1660 codec->frame_size = icodec->frame_size;
1661 codec->block_align= icodec->block_align;
1663 case CODEC_TYPE_VIDEO:
1664 codec->width = icodec->width;
1665 codec->height = icodec->height;
1666 codec->has_b_frames = icodec->has_b_frames;
1668 case CODEC_TYPE_SUBTITLE:
1674 switch(codec->codec_type) {
1675 case CODEC_TYPE_AUDIO:
1676 if (fifo_init(&ost->fifo, 2 * MAX_AUDIO_PACKET_SIZE))
1679 if (codec->channels == icodec->channels &&
1680 codec->sample_rate == icodec->sample_rate) {
1681 ost->audio_resample = 0;
1683 if (codec->channels != icodec->channels &&
1684 (icodec->codec_id == CODEC_ID_AC3 ||
1685 icodec->codec_id == CODEC_ID_DTS)) {
1686 /* Special case for 5:1 AC3 and DTS input */
1687 /* and mono or stereo output */
1688 /* Request specific number of channels */
1689 icodec->channels = codec->channels;
1690 if (codec->sample_rate == icodec->sample_rate)
1691 ost->audio_resample = 0;
1693 ost->audio_resample = 1;
1696 ost->audio_resample = 1;
1699 if(audio_sync_method>1)
1700 ost->audio_resample = 1;
1702 if(ost->audio_resample){
1703 ost->resample = audio_resample_init(codec->channels, icodec->channels,
1704 codec->sample_rate, icodec->sample_rate);
1706 printf("Can't resample. Aborting.\n");
1710 ist->decoding_needed = 1;
1711 ost->encoding_needed = 1;
1713 case CODEC_TYPE_VIDEO:
1714 if (codec->width == icodec->width &&
1715 codec->height == icodec->height &&
1716 frame_topBand == 0 &&
1717 frame_bottomBand == 0 &&
1718 frame_leftBand == 0 &&
1719 frame_rightBand == 0 &&
1720 frame_padtop == 0 &&
1721 frame_padbottom == 0 &&
1722 frame_padleft == 0 &&
1723 frame_padright == 0)
1725 ost->video_resample = 0;
1726 ost->video_crop = 0;
1728 } else if ((codec->width == icodec->width -
1729 (frame_leftBand + frame_rightBand)) &&
1730 (codec->height == icodec->height -
1731 (frame_topBand + frame_bottomBand)))
1733 ost->video_resample = 0;
1734 ost->video_crop = 1;
1735 ost->topBand = frame_topBand;
1736 ost->leftBand = frame_leftBand;
1737 } else if ((codec->width == icodec->width +
1738 (frame_padleft + frame_padright)) &&
1739 (codec->height == icodec->height +
1740 (frame_padtop + frame_padbottom))) {
1741 ost->video_resample = 0;
1742 ost->video_crop = 0;
1744 ost->padtop = frame_padtop;
1745 ost->padleft = frame_padleft;
1746 ost->padbottom = frame_padbottom;
1747 ost->padright = frame_padright;
1748 avcodec_get_frame_defaults(&ost->pict_tmp);
1749 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1750 codec->width, codec->height ) )
1753 ost->video_resample = 1;
1754 ost->video_crop = 0; // cropping is handled as part of resample
1755 avcodec_get_frame_defaults(&ost->pict_tmp);
1756 if( avpicture_alloc( (AVPicture*)&ost->pict_tmp, PIX_FMT_YUV420P,
1757 codec->width, codec->height ) )
1760 ost->img_resample_ctx = img_resample_full_init(
1761 codec->width, codec->height,
1762 icodec->width, icodec->height,
1763 frame_topBand, frame_bottomBand,
1764 frame_leftBand, frame_rightBand,
1765 frame_padtop, frame_padbottom,
1766 frame_padleft, frame_padright);
1768 ost->padtop = frame_padtop;
1769 ost->padleft = frame_padleft;
1770 ost->padbottom = frame_padbottom;
1771 ost->padright = frame_padright;
1774 ost->encoding_needed = 1;
1775 ist->decoding_needed = 1;
1777 case CODEC_TYPE_SUBTITLE:
1778 ost->encoding_needed = 1;
1779 ist->decoding_needed = 1;
1786 if (ost->encoding_needed &&
1787 (codec->flags & (CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2))) {
1788 char logfilename[1024];
1793 snprintf(logfilename, sizeof(logfilename), "%s-%d.log",
1795 pass_logfilename : DEFAULT_PASS_LOGFILENAME, i);
1796 if (codec->flags & CODEC_FLAG_PASS1) {
1797 f = fopen(logfilename, "w");
1799 perror(logfilename);
1804 /* read the log file */
1805 f = fopen(logfilename, "r");
1807 perror(logfilename);
1810 fseek(f, 0, SEEK_END);
1812 fseek(f, 0, SEEK_SET);
1813 logbuffer = av_malloc(size + 1);
1815 fprintf(stderr, "Could not allocate log buffer\n");
1818 size = fread(logbuffer, 1, size, f);
1820 logbuffer[size] = '\0';
1821 codec->stats_in = logbuffer;
1825 if(codec->codec_type == CODEC_TYPE_VIDEO){
1826 int size= codec->width * codec->height;
1827 bit_buffer_size= FFMAX(bit_buffer_size, 4*size);
1832 bit_buffer = av_malloc(bit_buffer_size);
1836 /* dump the file output parameters - cannot be done before in case
1838 for(i=0;i<nb_output_files;i++) {
1839 dump_format(output_files[i], i, output_files[i]->filename, 1);
1842 /* dump the stream mapping */
1844 fprintf(stderr, "Stream mapping:\n");
1845 for(i=0;i<nb_ostreams;i++) {
1847 fprintf(stderr, " Stream #%d.%d -> #%d.%d",
1848 ist_table[ost->source_index]->file_index,
1849 ist_table[ost->source_index]->index,
1852 if (ost->sync_ist != ist_table[ost->source_index])
1853 fprintf(stderr, " [sync #%d.%d]",
1854 ost->sync_ist->file_index,
1855 ost->sync_ist->index);
1856 fprintf(stderr, "\n");
1860 /* open each encoder */
1861 for(i=0;i<nb_ostreams;i++) {
1863 if (ost->encoding_needed) {
1865 codec = avcodec_find_encoder(ost->st->codec->codec_id);
1867 fprintf(stderr, "Unsupported codec for output stream #%d.%d\n",
1868 ost->file_index, ost->index);
1871 if (avcodec_open(ost->st->codec, codec) < 0) {
1872 fprintf(stderr, "Error while opening codec for output stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1873 ost->file_index, ost->index);
1876 extra_size += ost->st->codec->extradata_size;
1880 /* open each decoder */
1881 for(i=0;i<nb_istreams;i++) {
1883 if (ist->decoding_needed) {
1885 codec = avcodec_find_decoder(ist->st->codec->codec_id);
1887 fprintf(stderr, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1888 ist->st->codec->codec_id, ist->file_index, ist->index);
1891 if (avcodec_open(ist->st->codec, codec) < 0) {
1892 fprintf(stderr, "Error while opening codec for input stream #%d.%d\n",
1893 ist->file_index, ist->index);
1896 //if (ist->st->codec->codec_type == CODEC_TYPE_VIDEO)
1897 // ist->st->codec->flags |= CODEC_FLAG_REPEAT_FIELD;
1902 for(i=0;i<nb_istreams;i++) {
1904 is = input_files[ist->file_index];
1906 ist->next_pts = av_rescale_q(ist->st->start_time, ist->st->time_base, AV_TIME_BASE_Q);
1907 if(ist->st->start_time == AV_NOPTS_VALUE)
1909 if(input_files_ts_offset[ist->file_index])
1910 ist->next_pts= AV_NOPTS_VALUE;
1914 /* compute buffer size max (should use a complete heuristic) */
1915 for(i=0;i<nb_input_files;i++) {
1916 file_table[i].buffer_size_max = 2048;
1919 /* set meta data information from input file if required */
1920 for (i=0;i<nb_meta_data_maps;i++) {
1921 AVFormatContext *out_file;
1922 AVFormatContext *in_file;
1924 int out_file_index = meta_data_maps[i].out_file;
1925 int in_file_index = meta_data_maps[i].in_file;
1926 if ( out_file_index < 0 || out_file_index >= nb_output_files ) {
1927 fprintf(stderr, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index, out_file_index, in_file_index);
1931 if ( in_file_index < 0 || in_file_index >= nb_input_files ) {
1932 fprintf(stderr, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index, out_file_index, in_file_index);
1937 out_file = output_files[out_file_index];
1938 in_file = input_files[in_file_index];
1940 strcpy(out_file->title, in_file->title);
1941 strcpy(out_file->author, in_file->author);
1942 strcpy(out_file->copyright, in_file->copyright);
1943 strcpy(out_file->comment, in_file->comment);
1944 strcpy(out_file->album, in_file->album);
1945 out_file->year = in_file->year;
1946 out_file->track = in_file->track;
1947 strcpy(out_file->genre, in_file->genre);
1950 /* open files and write file headers */
1951 for(i=0;i<nb_output_files;i++) {
1952 os = output_files[i];
1953 if (av_write_header(os) < 0) {
1954 fprintf(stderr, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i);
1960 #ifndef CONFIG_WIN32
1961 if ( !using_stdin && verbose >= 0) {
1962 fprintf(stderr, "Press [q] to stop encoding\n");
1963 url_set_interrupt_cb(decode_interrupt_cb);
1971 for(; received_sigterm == 0;) {
1972 int file_index, ist_index;
1980 /* if 'q' pressed, exits */
1984 /* read_key() returns 0 on EOF */
1990 /* select the stream that we must read now by looking at the
1991 smallest output pts */
1993 for(i=0;i<nb_ostreams;i++) {
1996 os = output_files[ost->file_index];
1997 ist = ist_table[ost->source_index];
1998 if(ost->st->codec->codec_type == CODEC_TYPE_VIDEO)
1999 opts = ost->sync_opts * av_q2d(ost->st->codec->time_base);
2001 opts = ost->st->pts.val * av_q2d(ost->st->time_base);
2002 ipts = (double)ist->pts;
2003 if (!file_table[ist->file_index].eof_reached){
2004 if(ipts < ipts_min) {
2006 if(input_sync ) file_index = ist->file_index;
2008 if(opts < opts_min) {
2010 if(!input_sync) file_index = ist->file_index;
2013 if(ost->frame_number >= max_frames[ost->st->codec->codec_type]){
2018 /* if none, if is finished */
2019 if (file_index < 0) {
2023 /* finish if recording time exhausted */
2024 if (recording_time > 0 && opts_min >= (recording_time / 1000000.0))
2027 /* finish if limit size exhausted */
2028 if (limit_filesize != 0 && (limit_filesize * 1024) < url_ftell(&output_files[0]->pb))
2031 /* read a frame from it and output it in the fifo */
2032 is = input_files[file_index];
2033 if (av_read_frame(is, &pkt) < 0) {
2034 file_table[file_index].eof_reached = 1;
2035 if (opt_shortest) break; else continue; //
2039 stream_no_data = is;
2044 av_pkt_dump(stdout, &pkt, do_hex_dump);
2046 /* the following test is needed in case new streams appear
2047 dynamically in stream : we ignore them */
2048 if (pkt.stream_index >= file_table[file_index].nb_streams)
2049 goto discard_packet;
2050 ist_index = file_table[file_index].ist_index + pkt.stream_index;
2051 ist = ist_table[ist_index];
2053 goto discard_packet;
2055 // 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);
2056 if (pkt.dts != AV_NOPTS_VALUE && ist->next_pts != AV_NOPTS_VALUE) {
2057 int64_t delta= av_rescale_q(pkt.dts, ist->st->time_base, AV_TIME_BASE_Q) - ist->next_pts;
2058 if(ABS(delta) > 10LL*AV_TIME_BASE && !copy_ts){
2059 input_files_ts_offset[ist->file_index]-= delta;
2061 fprintf(stderr, "timestamp discontinuity %"PRId64", new offset= %"PRId64"\n", delta, input_files_ts_offset[ist->file_index]);
2062 for(i=0; i<file_table[file_index].nb_streams; i++){
2063 int index= file_table[file_index].ist_index + i;
2064 ist_table[index]->next_pts += delta;
2065 ist_table[index]->is_start=1;
2070 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
2071 if (output_packet(ist, ist_index, ost_table, nb_ostreams, &pkt) < 0) {
2074 fprintf(stderr, "Error while decoding stream #%d.%d\n",
2075 ist->file_index, ist->index);
2077 av_free_packet(&pkt);
2082 av_free_packet(&pkt);
2084 /* dump report by using the output first video and audio streams */
2085 print_report(output_files, ost_table, nb_ostreams, 0);
2088 /* at the end of stream, we must flush the decoder buffers */
2089 for(i=0;i<nb_istreams;i++) {
2091 if (ist->decoding_needed) {
2092 output_packet(ist, i, ost_table, nb_ostreams, NULL);
2098 /* write the trailer if needed and close file */
2099 for(i=0;i<nb_output_files;i++) {
2100 os = output_files[i];
2101 av_write_trailer(os);
2104 /* dump report by using the first video and audio streams */
2105 print_report(output_files, ost_table, nb_ostreams, 1);
2107 /* close each encoder */
2108 for(i=0;i<nb_ostreams;i++) {
2110 if (ost->encoding_needed) {
2111 av_freep(&ost->st->codec->stats_in);
2112 avcodec_close(ost->st->codec);
2116 /* close each decoder */
2117 for(i=0;i<nb_istreams;i++) {
2119 if (ist->decoding_needed) {
2120 avcodec_close(ist->st->codec);
2128 av_freep(&bit_buffer);
2129 av_free(file_table);
2132 for(i=0;i<nb_istreams;i++) {
2139 for(i=0;i<nb_ostreams;i++) {
2143 fclose(ost->logfile);
2144 ost->logfile = NULL;
2146 fifo_free(&ost->fifo); /* works even if fifo is not
2147 initialized but set to zero */
2148 av_free(ost->pict_tmp.data[0]);
2149 if (ost->video_resample)
2150 img_resample_close(ost->img_resample_ctx);
2151 if (ost->audio_resample)
2152 audio_resample_close(ost->resample);
2165 int file_read(const char *filename)
2168 unsigned char buffer[1024];
2171 if (url_open(&h, filename, O_RDONLY) < 0) {
2172 printf("could not open '%s'\n", filename);
2176 len = url_read(h, buffer, sizeof(buffer));
2179 for(i=0;i<len;i++) putchar(buffer[i]);
2186 static void opt_image_format(const char *arg)
2190 for(f = first_image_format; f != NULL; f = f->next) {
2191 if (!strcmp(arg, f->name))
2195 fprintf(stderr, "Unknown image format: '%s'\n", arg);
2201 static void opt_format(const char *arg)
2203 /* compatibility stuff for pgmyuv */
2204 if (!strcmp(arg, "pgmyuv")) {
2205 pgmyuv_compatibility_hack=1;
2206 // opt_image_format(arg);
2210 file_iformat = av_find_input_format(arg);
2211 file_oformat = guess_format(arg, NULL, NULL);
2212 if (!file_iformat && !file_oformat) {
2213 fprintf(stderr, "Unknown input or output format: %s\n", arg);
2218 static void opt_video_bitrate(const char *arg)
2220 video_bit_rate = atoi(arg) * 1000;
2223 static void opt_video_bitrate_tolerance(const char *arg)
2225 video_bit_rate_tolerance = atoi(arg) * 1000;
2228 static void opt_video_bitrate_max(const char *arg)
2230 video_rc_max_rate = atoi(arg) * 1000;
2233 static void opt_video_bitrate_min(const char *arg)
2235 video_rc_min_rate = atoi(arg) * 1000;
2238 static void opt_video_buffer_size(const char *arg)
2240 video_rc_buffer_size = atoi(arg) * 8*1024;
2243 static void opt_video_rc_eq(char *arg)
2248 static void opt_video_rc_override_string(char *arg)
2250 video_rc_override_string = arg;
2254 static void opt_workaround_bugs(const char *arg)
2256 workaround_bugs = atoi(arg);
2259 static void opt_me_threshold(const char *arg)
2261 me_threshold = atoi(arg);
2264 static void opt_mb_threshold(const char *arg)
2266 mb_threshold = atoi(arg);
2269 static void opt_verbose(const char *arg)
2271 verbose = atoi(arg);
2272 av_log_set_level(atoi(arg));
2275 static void opt_frame_rate(const char *arg)
2277 if (parse_frame_rate(&frame_rate, &frame_rate_base, arg) < 0) {
2278 fprintf(stderr, "Incorrect frame rate\n");
2283 static void opt_frame_crop_top(const char *arg)
2285 frame_topBand = atoi(arg);
2286 if (frame_topBand < 0) {
2287 fprintf(stderr, "Incorrect top crop size\n");
2290 if ((frame_topBand % 2) != 0) {
2291 fprintf(stderr, "Top crop size must be a multiple of 2\n");
2294 if ((frame_topBand) >= frame_height){
2295 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2298 frame_height -= frame_topBand;
2301 static void opt_frame_crop_bottom(const char *arg)
2303 frame_bottomBand = atoi(arg);
2304 if (frame_bottomBand < 0) {
2305 fprintf(stderr, "Incorrect bottom crop size\n");
2308 if ((frame_bottomBand % 2) != 0) {
2309 fprintf(stderr, "Bottom crop size must be a multiple of 2\n");
2312 if ((frame_bottomBand) >= frame_height){
2313 fprintf(stderr, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2316 frame_height -= frame_bottomBand;
2319 static void opt_frame_crop_left(const char *arg)
2321 frame_leftBand = atoi(arg);
2322 if (frame_leftBand < 0) {
2323 fprintf(stderr, "Incorrect left crop size\n");
2326 if ((frame_leftBand % 2) != 0) {
2327 fprintf(stderr, "Left crop size must be a multiple of 2\n");
2330 if ((frame_leftBand) >= frame_width){
2331 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2334 frame_width -= frame_leftBand;
2337 static void opt_frame_crop_right(const char *arg)
2339 frame_rightBand = atoi(arg);
2340 if (frame_rightBand < 0) {
2341 fprintf(stderr, "Incorrect right crop size\n");
2344 if ((frame_rightBand % 2) != 0) {
2345 fprintf(stderr, "Right crop size must be a multiple of 2\n");
2348 if ((frame_rightBand) >= frame_width){
2349 fprintf(stderr, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2352 frame_width -= frame_rightBand;
2355 static void opt_frame_size(const char *arg)
2357 if (parse_image_size(&frame_width, &frame_height, arg) < 0) {
2358 fprintf(stderr, "Incorrect frame size\n");
2361 if ((frame_width % 2) != 0 || (frame_height % 2) != 0) {
2362 fprintf(stderr, "Frame size must be a multiple of 2\n");
2368 #define SCALEBITS 10
2369 #define ONE_HALF (1 << (SCALEBITS - 1))
2370 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2372 #define RGB_TO_Y(r, g, b) \
2373 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2374 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2376 #define RGB_TO_U(r1, g1, b1, shift)\
2377 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2378 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2380 #define RGB_TO_V(r1, g1, b1, shift)\
2381 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2382 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2384 static void opt_pad_color(const char *arg) {
2385 /* Input is expected to be six hex digits similar to
2386 how colors are expressed in html tags (but without the #) */
2387 int rgb = strtol(arg, NULL, 16);
2391 g = ((rgb >> 8) & 255);
2394 padcolor[0] = RGB_TO_Y(r,g,b);
2395 padcolor[1] = RGB_TO_U(r,g,b,0);
2396 padcolor[2] = RGB_TO_V(r,g,b,0);
2399 static void opt_frame_pad_top(const char *arg)
2401 frame_padtop = atoi(arg);
2402 if (frame_padtop < 0) {
2403 fprintf(stderr, "Incorrect top pad size\n");
2406 if ((frame_padtop % 2) != 0) {
2407 fprintf(stderr, "Top pad size must be a multiple of 2\n");
2412 static void opt_frame_pad_bottom(const char *arg)
2414 frame_padbottom = atoi(arg);
2415 if (frame_padbottom < 0) {
2416 fprintf(stderr, "Incorrect bottom pad size\n");
2419 if ((frame_padbottom % 2) != 0) {
2420 fprintf(stderr, "Bottom pad size must be a multiple of 2\n");
2426 static void opt_frame_pad_left(const char *arg)
2428 frame_padleft = atoi(arg);
2429 if (frame_padleft < 0) {
2430 fprintf(stderr, "Incorrect left pad size\n");
2433 if ((frame_padleft % 2) != 0) {
2434 fprintf(stderr, "Left pad size must be a multiple of 2\n");
2440 static void opt_frame_pad_right(const char *arg)
2442 frame_padright = atoi(arg);
2443 if (frame_padright < 0) {
2444 fprintf(stderr, "Incorrect right pad size\n");
2447 if ((frame_padright % 2) != 0) {
2448 fprintf(stderr, "Right pad size must be a multiple of 2\n");
2454 static void opt_frame_pix_fmt(const char *arg)
2456 frame_pix_fmt = avcodec_get_pix_fmt(arg);
2459 static void opt_frame_aspect_ratio(const char *arg)
2465 p = strchr(arg, ':');
2467 x = strtol(arg, (char **)&arg, 10);
2469 y = strtol(arg+1, (char **)&arg, 10);
2471 ar = (double)x / (double)y;
2473 ar = strtod(arg, (char **)&arg);
2476 fprintf(stderr, "Incorrect aspect ratio specification.\n");
2479 frame_aspect_ratio = ar;
2482 static void opt_gop_size(const char *arg)
2484 gop_size = atoi(arg);
2487 static void opt_b_frames(const char *arg)
2489 b_frames = atoi(arg);
2490 if (b_frames > FF_MAX_B_FRAMES) {
2491 fprintf(stderr, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES);
2493 } else if (b_frames < 1) {
2494 fprintf(stderr, "\nNumber of B frames must be higher than 0\n");
2499 static void opt_pre_me(const char *arg)
2504 static void opt_qscale(const char *arg)
2506 video_qscale = atof(arg);
2507 if (video_qscale < 0.01 ||
2508 video_qscale > 255) {
2509 fprintf(stderr, "qscale must be >= 0.01 and <= 255\n");
2514 static void opt_qsquish(const char *arg)
2516 video_qsquish = atof(arg);
2517 if (video_qsquish < 0.0 ||
2518 video_qsquish > 99.0) {
2519 fprintf(stderr, "qsquish must be >= 0.0 and <= 99.0\n");
2524 static void opt_lmax(const char *arg)
2526 video_lmax = atof(arg)*FF_QP2LAMBDA;
2529 static void opt_lmin(const char *arg)
2531 video_lmin = atof(arg)*FF_QP2LAMBDA;
2534 static void opt_qmin(const char *arg)
2536 video_qmin = atoi(arg);
2537 if (video_qmin < 1 ||
2539 fprintf(stderr, "qmin must be >= 1 and <= 51\n");
2544 static void opt_qmax(const char *arg)
2546 video_qmax = atoi(arg);
2547 if (video_qmax < 1 ||
2549 fprintf(stderr, "qmax must be >= 1 and <= 51\n");
2554 static void opt_mb_lmin(const char *arg)
2556 video_mb_lmin = atof(arg)*FF_QP2LAMBDA;
2557 if (video_mb_lmin < 1 ||
2558 video_mb_lmin > FF_LAMBDA_MAX) {
2559 fprintf(stderr, "mblmin must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2564 static void opt_mb_lmax(const char *arg)
2566 video_mb_lmax = atof(arg)*FF_QP2LAMBDA;
2567 if (video_mb_lmax < 1 ||
2568 video_mb_lmax > FF_LAMBDA_MAX) {
2569 fprintf(stderr, "mblmax must be >= 1 and <= %d\n", FF_LAMBDA_MAX / FF_QP2LAMBDA);
2574 static void opt_qdiff(const char *arg)
2576 video_qdiff = atoi(arg);
2577 if (video_qdiff < 0 ||
2579 fprintf(stderr, "qdiff must be >= 1 and <= 31\n");
2584 static void opt_qblur(const char *arg)
2586 video_qblur = atof(arg);
2589 static void opt_qcomp(const char *arg)
2591 video_qcomp = atof(arg);
2594 static void opt_rc_initial_cplx(const char *arg)
2596 video_rc_initial_cplx = atof(arg);
2598 static void opt_b_qfactor(const char *arg)
2600 video_b_qfactor = atof(arg);
2602 static void opt_i_qfactor(const char *arg)
2604 video_i_qfactor = atof(arg);
2606 static void opt_b_qoffset(const char *arg)
2608 video_b_qoffset = atof(arg);
2610 static void opt_i_qoffset(const char *arg)
2612 video_i_qoffset = atof(arg);
2615 static void opt_ibias(const char *arg)
2617 video_intra_quant_bias = atoi(arg);
2619 static void opt_pbias(const char *arg)
2621 video_inter_quant_bias = atoi(arg);
2624 static void opt_packet_size(const char *arg)
2626 packet_size= atoi(arg);
2629 static void opt_error_rate(const char *arg)
2631 error_rate= atoi(arg);
2634 static void opt_strict(const char *arg)
2639 static void opt_top_field_first(const char *arg)
2641 top_field_first= atoi(arg);
2644 static void opt_sc_threshold(const char *arg)
2646 sc_threshold= atoi(arg);
2649 static void opt_me_range(const char *arg)
2651 me_range = atoi(arg);
2654 static void opt_thread_count(const char *arg)
2656 thread_count= atoi(arg);
2657 #if !defined(HAVE_THREADS)
2659 fprintf(stderr, "Warning: not compiled with thread support, using thread emulation\n");
2663 static void opt_audio_bitrate(const char *arg)
2665 audio_bit_rate = atoi(arg) * 1000;
2668 static void opt_audio_rate(const char *arg)
2670 audio_sample_rate = atoi(arg);
2673 static void opt_audio_channels(const char *arg)
2675 audio_channels = atoi(arg);
2678 static void opt_video_device(const char *arg)
2680 video_device = av_strdup(arg);
2683 static void opt_grab_device(const char *arg)
2685 grab_device = av_strdup(arg);
2688 static void opt_video_channel(const char *arg)
2690 video_channel = strtol(arg, NULL, 0);
2693 static void opt_video_standard(const char *arg)
2695 video_standard = av_strdup(arg);
2698 static void opt_audio_device(const char *arg)
2700 audio_device = av_strdup(arg);
2703 static void opt_codec(int *pstream_copy, int *pcodec_id,
2704 int codec_type, const char *arg)
2708 if (!strcmp(arg, "copy")) {
2713 if (!strcmp(p->name, arg) && p->type == codec_type)
2718 fprintf(stderr, "Unknown codec '%s'\n", arg);
2726 static void opt_audio_codec(const char *arg)
2728 opt_codec(&audio_stream_copy, &audio_codec_id, CODEC_TYPE_AUDIO, arg);
2731 static void opt_audio_tag(const char *arg)
2734 audio_codec_tag= strtol(arg, &tail, 0);
2737 audio_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2740 static void opt_video_tag(const char *arg)
2743 video_codec_tag= strtol(arg, &tail, 0);
2746 video_codec_tag= arg[0] + (arg[1]<<8) + (arg[2]<<16) + (arg[3]<<24);
2749 static void add_frame_hooker(const char *arg)
2754 char *args = av_strdup(arg);
2758 argv[0] = strtok(args, " ");
2759 while (argc < 62 && (argv[++argc] = strtok(NULL, " "))) {
2762 i = frame_hook_add(argc, argv);
2765 fprintf(stderr, "Failed to add video hook function: %s\n", arg);
2770 const char *motion_str[] = {
2783 static void opt_motion_estimation(const char *arg)
2789 fprintf(stderr, "Unknown motion estimation method '%s'\n", arg);
2792 if (!strcmp(*p, arg))
2796 me_method = (p - motion_str) + 1;
2799 static void opt_video_codec(const char *arg)
2801 opt_codec(&video_stream_copy, &video_codec_id, CODEC_TYPE_VIDEO, arg);
2804 static void opt_subtitle_codec(const char *arg)
2806 opt_codec(&subtitle_stream_copy, &subtitle_codec_id, CODEC_TYPE_SUBTITLE, arg);
2809 static void opt_map(const char *arg)
2815 m = &stream_maps[nb_stream_maps++];
2817 m->file_index = strtol(arg, (char **)&p, 0);
2821 m->stream_index = strtol(p, (char **)&p, 0);
2824 m->sync_file_index = strtol(p, (char **)&p, 0);
2827 m->sync_stream_index = strtol(p, (char **)&p, 0);
2829 m->sync_file_index = m->file_index;
2830 m->sync_stream_index = m->stream_index;
2834 static void opt_map_meta_data(const char *arg)
2840 m = &meta_data_maps[nb_meta_data_maps++];
2842 m->out_file = strtol(arg, (char **)&p, 0);
2846 m->in_file = strtol(p, (char **)&p, 0);
2849 static void opt_recording_time(const char *arg)
2851 recording_time = parse_date(arg, 1);
2854 static void opt_start_time(const char *arg)
2856 start_time = parse_date(arg, 1);
2859 static void opt_rec_timestamp(const char *arg)
2861 rec_timestamp = parse_date(arg, 0) / 1000000;
2864 static void opt_input_ts_offset(const char *arg)
2866 input_ts_offset = parse_date(arg, 1);
2869 static void opt_input_file(const char *filename)
2871 AVFormatContext *ic;
2872 AVFormatParameters params, *ap = ¶ms;
2873 int err, i, ret, rfps, rfps_base;
2876 if (!strcmp(filename, "-"))
2879 using_stdin |= !strncmp(filename, "pipe:", 5) ||
2880 !strcmp( filename, "/dev/stdin" );
2882 /* get default parameters from command line */
2883 memset(ap, 0, sizeof(*ap));
2884 ap->sample_rate = audio_sample_rate;
2885 ap->channels = audio_channels;
2886 ap->time_base.den = frame_rate;
2887 ap->time_base.num = frame_rate_base;
2888 ap->width = frame_width + frame_padleft + frame_padright;
2889 ap->height = frame_height + frame_padtop + frame_padbottom;
2890 ap->image_format = image_format;
2891 ap->pix_fmt = frame_pix_fmt;
2892 ap->device = grab_device;
2893 ap->channel = video_channel;
2894 ap->standard = video_standard;
2895 ap->video_codec_id = video_codec_id;
2896 ap->audio_codec_id = audio_codec_id;
2897 if(pgmyuv_compatibility_hack)
2898 ap->video_codec_id= CODEC_ID_PGMYUV;
2900 /* open the input file with generic libav function */
2901 err = av_open_input_file(&ic, filename, file_iformat, 0, ap);
2903 print_error(filename, err);
2908 ic->flags|= AVFMT_FLAG_GENPTS;
2910 /* If not enough info to get the stream parameters, we decode the
2911 first frames to get it. (used in mpeg case for example) */
2912 ret = av_find_stream_info(ic);
2913 if (ret < 0 && verbose >= 0) {
2914 fprintf(stderr, "%s: could not find codec parameters\n", filename);
2918 timestamp = start_time;
2919 /* add the stream start time */
2920 if (ic->start_time != AV_NOPTS_VALUE)
2921 timestamp += ic->start_time;
2923 /* if seeking requested, we execute it */
2924 if (start_time != 0) {
2925 ret = av_seek_frame(ic, -1, timestamp, AVSEEK_FLAG_BACKWARD);
2927 fprintf(stderr, "%s: could not seek to position %0.3f\n",
2928 filename, (double)timestamp / AV_TIME_BASE);
2930 /* reset seek info */
2934 /* update the current parameters so that they match the one of the input stream */
2935 for(i=0;i<ic->nb_streams;i++) {
2937 AVCodecContext *enc = ic->streams[i]->codec;
2938 #if defined(HAVE_THREADS)
2940 avcodec_thread_init(enc, thread_count);
2942 enc->thread_count= thread_count;
2943 switch(enc->codec_type) {
2944 case CODEC_TYPE_AUDIO:
2945 for(j=0; j<opt_name_count; j++){
2947 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2948 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2949 av_set_double(enc, opt_names[j], d);
2951 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2952 audio_channels = enc->channels;
2953 audio_sample_rate = enc->sample_rate;
2955 ic->streams[i]->discard= AVDISCARD_ALL;
2957 case CODEC_TYPE_VIDEO:
2958 for(j=0; j<opt_name_count; j++){
2960 double d= av_get_double(avctx_opts, opt_names[j], &opt);
2961 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_DECODING_PARAM))
2962 av_set_double(enc, opt_names[j], d);
2964 frame_height = enc->height;
2965 frame_width = enc->width;
2966 frame_aspect_ratio = av_q2d(enc->sample_aspect_ratio) * enc->width / enc->height;
2967 frame_pix_fmt = enc->pix_fmt;
2968 rfps = ic->streams[i]->r_frame_rate.num;
2969 rfps_base = ic->streams[i]->r_frame_rate.den;
2970 enc->workaround_bugs = workaround_bugs;
2971 if(enc->lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
2973 enc->debug |= FF_DEBUG_MV;
2975 if (enc->time_base.den != rfps || enc->time_base.num != rfps_base) {
2978 fprintf(stderr,"\nSeems that stream %d comes from film source: %2.2f (%d/%d) -> %2.2f (%d/%d)\n",
2979 i, (float)enc->time_base.den / enc->time_base.num, enc->time_base.den, enc->time_base.num,
2981 (float)rfps / rfps_base, rfps, rfps_base);
2983 /* update the current frame rate to match the stream frame rate */
2985 frame_rate_base = rfps_base;
2987 enc->rate_emu = rate_emu;
2989 ic->streams[i]->discard= AVDISCARD_ALL;
2990 else if(video_discard)
2991 ic->streams[i]->discard= video_discard;
2993 case CODEC_TYPE_DATA:
2995 case CODEC_TYPE_SUBTITLE:
2997 case CODEC_TYPE_UNKNOWN:
3004 input_files[nb_input_files] = ic;
3005 input_files_ts_offset[nb_input_files] = input_ts_offset - (copy_ts ? 0 : timestamp);
3006 /* dump the file content */
3008 dump_format(ic, nb_input_files, filename, 0);
3011 file_iformat = NULL;
3012 file_oformat = NULL;
3013 image_format = NULL;
3021 static void opt_grab(const char *arg)
3023 file_iformat = av_find_input_format(arg);
3027 static void check_audio_video_inputs(int *has_video_ptr, int *has_audio_ptr)
3029 int has_video, has_audio, i, j;
3030 AVFormatContext *ic;
3034 for(j=0;j<nb_input_files;j++) {
3035 ic = input_files[j];
3036 for(i=0;i<ic->nb_streams;i++) {
3037 AVCodecContext *enc = ic->streams[i]->codec;
3038 switch(enc->codec_type) {
3039 case CODEC_TYPE_AUDIO:
3042 case CODEC_TYPE_VIDEO:
3045 case CODEC_TYPE_DATA:
3046 case CODEC_TYPE_UNKNOWN:
3047 case CODEC_TYPE_SUBTITLE:
3054 *has_video_ptr = has_video;
3055 *has_audio_ptr = has_audio;
3058 static void new_video_stream(AVFormatContext *oc)
3061 AVCodecContext *video_enc;
3064 st = av_new_stream(oc, oc->nb_streams);
3066 fprintf(stderr, "Could not alloc stream\n");
3069 #if defined(HAVE_THREADS)
3071 avcodec_thread_init(st->codec, thread_count);
3074 video_enc = st->codec;
3077 video_enc->codec_tag= video_codec_tag;
3079 if( (video_global_header&1)
3080 || (video_global_header==0 && (oc->oformat->flags & AVFMT_GLOBALHEADER))){
3081 video_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3082 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3084 if(video_global_header&2){
3085 video_enc->flags2 |= CODEC_FLAG2_LOCAL_HEADER;
3086 avctx_opts->flags2|= CODEC_FLAG2_LOCAL_HEADER;
3089 if (video_stream_copy) {
3090 st->stream_copy = 1;
3091 video_enc->codec_type = CODEC_TYPE_VIDEO;
3097 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_VIDEO);
3098 if (video_codec_id != CODEC_ID_NONE)
3099 codec_id = video_codec_id;
3101 video_enc->codec_id = codec_id;
3102 codec = avcodec_find_encoder(codec_id);
3104 for(i=0; i<opt_name_count; i++){
3106 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3107 if(d==d && (opt->flags&AV_OPT_FLAG_VIDEO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3108 av_set_double(video_enc, opt_names[i], d);
3111 video_enc->bit_rate = video_bit_rate;
3112 video_enc->bit_rate_tolerance = video_bit_rate_tolerance;
3113 video_enc->time_base.den = frame_rate;
3114 video_enc->time_base.num = frame_rate_base;
3115 if(codec && codec->supported_framerates){
3116 const AVRational *p= codec->supported_framerates;
3117 AVRational req= (AVRational){frame_rate, frame_rate_base};
3118 const AVRational *best=NULL;
3119 AVRational best_error= (AVRational){INT_MAX, 1};
3120 for(; p->den!=0; p++){
3121 AVRational error= av_sub_q(req, *p);
3122 if(error.num <0) error.num *= -1;
3123 if(av_cmp_q(error, best_error) < 0){
3128 video_enc->time_base.den= best->num;
3129 video_enc->time_base.num= best->den;
3132 video_enc->width = frame_width + frame_padright + frame_padleft;
3133 video_enc->height = frame_height + frame_padtop + frame_padbottom;
3134 video_enc->sample_aspect_ratio = av_d2q(frame_aspect_ratio*frame_height/frame_width, 255);
3135 video_enc->pix_fmt = frame_pix_fmt;
3137 if(codec && codec->pix_fmts){
3138 const enum PixelFormat *p= codec->pix_fmts;
3140 if(*p == video_enc->pix_fmt)
3144 video_enc->pix_fmt = codec->pix_fmts[0];
3148 video_enc->gop_size = gop_size;
3150 video_enc->gop_size = 0;
3151 if (video_qscale || same_quality) {
3152 video_enc->flags |= CODEC_FLAG_QSCALE;
3153 video_enc->global_quality=
3154 st->quality = FF_QP2LAMBDA * video_qscale;
3158 video_enc->intra_matrix = intra_matrix;
3160 video_enc->inter_matrix = inter_matrix;
3162 video_enc->pre_me = pre_me;
3165 video_enc->max_b_frames = b_frames;
3166 video_enc->b_quant_factor = 2.0;
3168 video_enc->qmin = video_qmin;
3169 video_enc->qmax = video_qmax;
3170 video_enc->lmin = video_lmin;
3171 video_enc->lmax = video_lmax;
3172 video_enc->rc_qsquish = video_qsquish;
3173 video_enc->mb_lmin = video_mb_lmin;
3174 video_enc->mb_lmax = video_mb_lmax;
3175 video_enc->max_qdiff = video_qdiff;
3176 video_enc->qblur = video_qblur;
3177 video_enc->qcompress = video_qcomp;
3178 video_enc->rc_eq = video_rc_eq;
3179 video_enc->workaround_bugs = workaround_bugs;
3180 video_enc->thread_count = thread_count;
3181 p= video_rc_override_string;
3184 int e=sscanf(p, "%d,%d,%d", &start, &end, &q);
3186 fprintf(stderr, "error parsing rc_override\n");
3189 video_enc->rc_override=
3190 av_realloc(video_enc->rc_override,
3191 sizeof(RcOverride)*(i+1));
3192 video_enc->rc_override[i].start_frame= start;
3193 video_enc->rc_override[i].end_frame = end;
3195 video_enc->rc_override[i].qscale= q;
3196 video_enc->rc_override[i].quality_factor= 1.0;
3199 video_enc->rc_override[i].qscale= 0;
3200 video_enc->rc_override[i].quality_factor= -q/100.0;
3205 video_enc->rc_override_count=i;
3207 video_enc->rc_max_rate = video_rc_max_rate;
3208 video_enc->rc_min_rate = video_rc_min_rate;
3209 video_enc->rc_buffer_size = video_rc_buffer_size;
3210 video_enc->rc_initial_buffer_occupancy = video_rc_buffer_size*3/4;
3211 video_enc->rc_buffer_aggressivity= video_rc_buffer_aggressivity;
3212 video_enc->rc_initial_cplx= video_rc_initial_cplx;
3213 video_enc->i_quant_factor = video_i_qfactor;
3214 video_enc->b_quant_factor = video_b_qfactor;
3215 video_enc->i_quant_offset = video_i_qoffset;
3216 video_enc->b_quant_offset = video_b_qoffset;
3217 video_enc->intra_quant_bias = video_intra_quant_bias;
3218 video_enc->inter_quant_bias = video_inter_quant_bias;
3219 video_enc->me_threshold= me_threshold;
3220 video_enc->mb_threshold= mb_threshold;
3221 video_enc->intra_dc_precision= intra_dc_precision - 8;
3222 video_enc->strict_std_compliance = strict;
3223 video_enc->error_rate = error_rate;
3224 video_enc->scenechange_threshold= sc_threshold;
3225 video_enc->me_range = me_range;
3226 video_enc->me_penalty_compensation= me_penalty_compensation;
3227 video_enc->frame_skip_threshold= frame_skip_threshold;
3228 video_enc->frame_skip_factor= frame_skip_factor;
3229 video_enc->frame_skip_exp= frame_skip_exp;
3232 video_enc->rtp_mode= 1;
3233 video_enc->rtp_payload_size= packet_size;
3237 video_enc->flags|= CODEC_FLAG_PSNR;
3239 video_enc->me_method = me_method;
3244 video_enc->flags |= CODEC_FLAG_PASS1;
3246 video_enc->flags |= CODEC_FLAG_PASS2;
3251 /* reset some key parameters */
3253 video_codec_id = CODEC_ID_NONE;
3254 video_stream_copy = 0;
3257 static void new_audio_stream(AVFormatContext *oc)
3260 AVCodecContext *audio_enc;
3263 st = av_new_stream(oc, oc->nb_streams);
3265 fprintf(stderr, "Could not alloc stream\n");
3268 #if defined(HAVE_THREADS)
3270 avcodec_thread_init(st->codec, thread_count);
3273 audio_enc = st->codec;
3274 audio_enc->codec_type = CODEC_TYPE_AUDIO;
3277 audio_enc->codec_tag= audio_codec_tag;
3279 if (oc->oformat->flags & AVFMT_GLOBALHEADER) {
3280 audio_enc->flags |= CODEC_FLAG_GLOBAL_HEADER;
3281 avctx_opts->flags|= CODEC_FLAG_GLOBAL_HEADER;
3283 if (audio_stream_copy) {
3284 st->stream_copy = 1;
3285 audio_enc->channels = audio_channels;
3287 codec_id = av_guess_codec(oc->oformat, NULL, oc->filename, NULL, CODEC_TYPE_AUDIO);
3289 for(i=0; i<opt_name_count; i++){
3291 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3292 if(d==d && (opt->flags&AV_OPT_FLAG_AUDIO_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3293 av_set_double(audio_enc, opt_names[i], d);
3296 if (audio_codec_id != CODEC_ID_NONE)
3297 codec_id = audio_codec_id;
3298 audio_enc->codec_id = codec_id;
3300 audio_enc->bit_rate = audio_bit_rate;
3301 if (audio_qscale > QSCALE_NONE) {
3302 audio_enc->flags |= CODEC_FLAG_QSCALE;
3303 audio_enc->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
3305 audio_enc->strict_std_compliance = strict;
3306 audio_enc->thread_count = thread_count;
3307 /* For audio codecs other than AC3 or DTS we limit */
3308 /* the number of coded channels to stereo */
3309 if (audio_channels > 2 && codec_id != CODEC_ID_AC3
3310 && codec_id != CODEC_ID_DTS) {
3311 audio_enc->channels = 2;
3313 audio_enc->channels = audio_channels;
3315 audio_enc->sample_rate = audio_sample_rate;
3316 audio_enc->time_base= (AVRational){1, audio_sample_rate};
3317 if (audio_language) {
3318 pstrcpy(st->language, sizeof(st->language), audio_language);
3319 av_free(audio_language);
3320 audio_language = NULL;
3323 /* reset some key parameters */
3325 audio_codec_id = CODEC_ID_NONE;
3326 audio_stream_copy = 0;
3329 static void opt_new_subtitle_stream(void)
3331 AVFormatContext *oc;
3333 AVCodecContext *subtitle_enc;
3336 if (nb_output_files <= 0) {
3337 fprintf(stderr, "At least one output file must be specified\n");
3340 oc = output_files[nb_output_files - 1];
3342 st = av_new_stream(oc, oc->nb_streams);
3344 fprintf(stderr, "Could not alloc stream\n");
3348 subtitle_enc = st->codec;
3349 subtitle_enc->codec_type = CODEC_TYPE_SUBTITLE;
3350 if (subtitle_stream_copy) {
3351 st->stream_copy = 1;
3353 for(i=0; i<opt_name_count; i++){
3355 double d= av_get_double(avctx_opts, opt_names[i], &opt);
3356 if(d==d && (opt->flags&AV_OPT_FLAG_SUBTITLE_PARAM) && (opt->flags&AV_OPT_FLAG_ENCODING_PARAM))
3357 av_set_double(subtitle_enc, opt_names[i], d);
3359 subtitle_enc->codec_id = subtitle_codec_id;
3362 if (subtitle_language) {
3363 pstrcpy(st->language, sizeof(st->language), subtitle_language);
3364 av_free(subtitle_language);
3365 subtitle_language = NULL;
3368 subtitle_codec_id = CODEC_ID_NONE;
3369 subtitle_stream_copy = 0;
3372 static void opt_new_audio_stream(void)
3374 AVFormatContext *oc;
3375 if (nb_output_files <= 0) {
3376 fprintf(stderr, "At least one output file must be specified\n");
3379 oc = output_files[nb_output_files - 1];
3380 new_audio_stream(oc);
3383 static void opt_new_video_stream(void)
3385 AVFormatContext *oc;
3386 if (nb_output_files <= 0) {
3387 fprintf(stderr, "At least one output file must be specified\n");
3390 oc = output_files[nb_output_files - 1];
3391 new_video_stream(oc);
3394 static void opt_output_file(const char *filename)
3396 AVFormatContext *oc;
3397 int use_video, use_audio, input_has_video, input_has_audio;
3398 AVFormatParameters params, *ap = ¶ms;
3400 if (!strcmp(filename, "-"))
3403 oc = av_alloc_format_context();
3405 if (!file_oformat) {
3406 file_oformat = guess_format(NULL, filename, NULL);
3407 if (!file_oformat) {
3408 fprintf(stderr, "Unable for find a suitable output format for '%s'\n",
3414 oc->oformat = file_oformat;
3415 pstrcpy(oc->filename, sizeof(oc->filename), filename);
3417 if (!strcmp(file_oformat->name, "ffm") &&
3418 strstart(filename, "http:", NULL)) {
3419 /* special case for files sent to ffserver: we get the stream
3420 parameters from ffserver */
3421 if (read_ffserver_streams(oc, filename) < 0) {
3422 fprintf(stderr, "Could not read stream parameters from '%s'\n", filename);
3426 use_video = file_oformat->video_codec != CODEC_ID_NONE || video_stream_copy || video_codec_id != CODEC_ID_NONE;
3427 use_audio = file_oformat->audio_codec != CODEC_ID_NONE || audio_stream_copy || audio_codec_id != CODEC_ID_NONE;
3429 /* disable if no corresponding type found and at least one
3431 if (nb_input_files > 0) {
3432 check_audio_video_inputs(&input_has_video, &input_has_audio);
3433 if (!input_has_video)
3435 if (!input_has_audio)
3439 /* manual disable */
3440 if (audio_disable) {
3443 if (video_disable) {
3448 new_video_stream(oc);
3452 new_audio_stream(oc);
3455 if (!oc->nb_streams) {
3456 fprintf(stderr, "No audio or video streams available\n");
3460 oc->timestamp = rec_timestamp;
3463 pstrcpy(oc->title, sizeof(oc->title), str_title);
3465 pstrcpy(oc->author, sizeof(oc->author), str_author);
3467 pstrcpy(oc->copyright, sizeof(oc->copyright), str_copyright);
3469 pstrcpy(oc->comment, sizeof(oc->comment), str_comment);
3472 output_files[nb_output_files++] = oc;
3474 /* check filename in case of an image number is expected */
3475 if (oc->oformat->flags & AVFMT_NEEDNUMBER) {
3476 if (filename_number_test(oc->filename) < 0) {
3477 print_error(oc->filename, AVERROR_NUMEXPECTED);
3482 if (!(oc->oformat->flags & AVFMT_NOFILE)) {
3483 /* test if it already exists to avoid loosing precious files */
3484 if (!file_overwrite &&
3485 (strchr(filename, ':') == NULL ||
3486 strstart(filename, "file:", NULL))) {
3487 if (url_exist(filename)) {
3490 if ( !using_stdin ) {
3491 fprintf(stderr,"File '%s' already exists. Overwrite ? [y/N] ", filename);
3494 if (toupper(c) != 'Y') {
3495 fprintf(stderr, "Not overwriting - exiting\n");
3500 fprintf(stderr,"File '%s' already exists. Exiting.\n", filename);
3507 if (url_fopen(&oc->pb, filename, URL_WRONLY) < 0) {
3508 fprintf(stderr, "Could not open '%s'\n", filename);
3513 memset(ap, 0, sizeof(*ap));
3514 ap->image_format = image_format;
3515 if (av_set_parameters(oc, ap) < 0) {
3516 fprintf(stderr, "%s: Invalid encoding parameters\n",
3521 oc->packet_size= mux_packet_size;
3522 oc->mux_rate= mux_rate;
3523 oc->preload= (int)(mux_preload*AV_TIME_BASE);
3524 oc->max_delay= (int)(mux_max_delay*AV_TIME_BASE);
3525 oc->loop_output = loop_output;
3527 /* reset some options */
3528 file_oformat = NULL;
3529 file_iformat = NULL;
3530 image_format = NULL;
3533 /* prepare dummy protocols for grab */
3534 static void prepare_grab(void)
3536 int has_video, has_audio, i, j;
3537 AVFormatContext *oc;
3538 AVFormatContext *ic;
3539 AVFormatParameters vp1, *vp = &vp1;
3540 AVFormatParameters ap1, *ap = &ap1;
3542 /* see if audio/video inputs are needed */
3545 memset(ap, 0, sizeof(*ap));
3546 memset(vp, 0, sizeof(*vp));
3547 vp->time_base.num= 1;
3548 for(j=0;j<nb_output_files;j++) {
3549 oc = output_files[j];
3550 for(i=0;i<oc->nb_streams;i++) {
3551 AVCodecContext *enc = oc->streams[i]->codec;
3552 switch(enc->codec_type) {
3553 case CODEC_TYPE_AUDIO:
3554 if (enc->sample_rate > ap->sample_rate)
3555 ap->sample_rate = enc->sample_rate;
3556 if (enc->channels > ap->channels)
3557 ap->channels = enc->channels;
3560 case CODEC_TYPE_VIDEO:
3561 if (enc->width > vp->width)
3562 vp->width = enc->width;
3563 if (enc->height > vp->height)
3564 vp->height = enc->height;
3566 if (vp->time_base.num*(int64_t)enc->time_base.den > enc->time_base.num*(int64_t)vp->time_base.den){
3567 vp->time_base = enc->time_base;
3577 if (has_video == 0 && has_audio == 0) {
3578 fprintf(stderr, "Output file must have at least one audio or video stream\n");
3583 AVInputFormat *fmt1;
3584 fmt1 = av_find_input_format(video_grab_format);
3585 vp->device = video_device;
3586 vp->channel = video_channel;
3587 vp->standard = video_standard;
3588 vp->pix_fmt = frame_pix_fmt;
3589 if (av_open_input_file(&ic, "", fmt1, 0, vp) < 0) {
3590 fprintf(stderr, "Could not find video grab device\n");
3593 /* If not enough info to get the stream parameters, we decode the
3594 first frames to get it. */
3595 if ((ic->ctx_flags & AVFMTCTX_NOHEADER) && av_find_stream_info(ic) < 0) {
3596 fprintf(stderr, "Could not find video grab parameters\n");
3599 /* by now video grab has one stream */
3600 ic->streams[0]->r_frame_rate.num = vp->time_base.den;
3601 ic->streams[0]->r_frame_rate.den = vp->time_base.num;
3602 input_files[nb_input_files] = ic;
3605 dump_format(ic, nb_input_files, "", 0);
3609 if (has_audio && audio_grab_format) {
3610 AVInputFormat *fmt1;
3611 fmt1 = av_find_input_format(audio_grab_format);
3612 ap->device = audio_device;
3613 if (av_open_input_file(&ic, "", fmt1, 0, ap) < 0) {
3614 fprintf(stderr, "Could not find audio grab device\n");
3617 input_files[nb_input_files] = ic;
3620 dump_format(ic, nb_input_files, "", 0);
3626 /* same option as mencoder */
3627 static void opt_pass(const char *pass_str)
3630 pass = atoi(pass_str);
3631 if (pass != 1 && pass != 2) {
3632 fprintf(stderr, "pass number can be only 1 or 2\n");
3638 #if defined(CONFIG_WIN32) || defined(CONFIG_OS2)
3639 static int64_t getutime(void)
3641 return av_gettime();
3644 static int64_t getutime(void)
3646 struct rusage rusage;
3648 getrusage(RUSAGE_SELF, &rusage);
3649 return (rusage.ru_utime.tv_sec * 1000000LL) + rusage.ru_utime.tv_usec;
3653 extern int ffm_nopts;
3655 static void show_formats(void)
3657 AVInputFormat *ifmt;
3658 AVOutputFormat *ofmt;
3659 AVImageFormat *image_fmt;
3662 const char **pp, *last_name;
3664 printf("File formats:\n");
3669 const char *name=NULL;
3670 const char *long_name=NULL;
3672 for(ofmt = first_oformat; ofmt != NULL; ofmt = ofmt->next) {
3673 if((name == NULL || strcmp(ofmt->name, name)<0) &&
3674 strcmp(ofmt->name, last_name)>0){
3676 long_name= ofmt->long_name;
3680 for(ifmt = first_iformat; ifmt != NULL; ifmt = ifmt->next) {
3681 if((name == NULL || strcmp(ifmt->name, name)<0) &&
3682 strcmp(ifmt->name, last_name)>0){
3684 long_name= ifmt->long_name;
3687 if(name && strcmp(ifmt->name, name)==0)
3699 long_name ? long_name:" ");
3703 printf("Image formats (filename extensions, if any, follow):\n");
3704 for(image_fmt = first_image_format; image_fmt != NULL;
3705 image_fmt = image_fmt->next) {
3708 image_fmt->img_read ? "D":" ",
3709 image_fmt->img_write ? "E":" ",
3711 image_fmt->extensions ? image_fmt->extensions:" ");
3715 printf("Codecs:\n");
3721 const char *type_str;
3724 for(p = first_avcodec; p != NULL; p = p->next) {
3725 if((p2==NULL || strcmp(p->name, p2->name)<0) &&
3726 strcmp(p->name, last_name)>0){
3728 decode= encode= cap=0;
3730 if(p2 && strcmp(p->name, p2->name)==0){
3731 if(p->decode) decode=1;
3732 if(p->encode) encode=1;
3733 cap |= p->capabilities;
3738 last_name= p2->name;
3741 case CODEC_TYPE_VIDEO:
3744 case CODEC_TYPE_AUDIO:
3747 case CODEC_TYPE_SUBTITLE:
3756 decode ? "D": (/*p2->decoder ? "d":*/" "),
3759 cap & CODEC_CAP_DRAW_HORIZ_BAND ? "S":" ",
3760 cap & CODEC_CAP_DR1 ? "D":" ",
3761 cap & CODEC_CAP_TRUNCATED ? "T":" ",
3763 /* if(p2->decoder && decode==0)
3764 printf(" use %s for decoding", p2->decoder->name);*/
3769 printf("Supported file protocols:\n");
3770 for(up = first_protocol; up != NULL; up = up->next)
3771 printf(" %s:", up->name);
3774 printf("Frame size, frame rate abbreviations:\n ntsc pal qntsc qpal sntsc spal film ntsc-film sqcif qcif cif 4cif\n");
3775 printf("Motion estimation methods:\n");
3779 if ((pp - motion_str + 1) == ME_ZERO)
3780 printf("(fastest)");
3781 else if ((pp - motion_str + 1) == ME_FULL)
3782 printf("(slowest)");
3783 else if ((pp - motion_str + 1) == ME_EPZS)
3784 printf("(default)");
3789 "Note, the names of encoders and decoders dont always match, so there are\n"
3790 "several cases where the above table shows encoder only or decoder only entries\n"
3791 "even though both encoding and decoding are supported for example, the h263\n"
3792 "decoder corresponds to the h263 and h263p encoders, for file formats its even\n"
3797 static void parse_matrix_coeffs(uint16_t *dest, const char *str)
3800 const char *p = str;
3807 fprintf(stderr, "Syntax error in matrix \"%s\" at coeff %d\n", str, i);
3814 static void opt_inter_matrix(const char *arg)
3816 inter_matrix = av_mallocz(sizeof(uint16_t) * 64);
3817 parse_matrix_coeffs(inter_matrix, arg);
3820 static void opt_intra_matrix(const char *arg)
3822 intra_matrix = av_mallocz(sizeof(uint16_t) * 64);
3823 parse_matrix_coeffs(intra_matrix, arg);
3826 static void opt_target(const char *arg)
3829 static const char *const frame_rates[] = {"25", "30000/1001", "24000/1001"};
3831 if(!strncmp(arg, "pal-", 4)) {
3834 } else if(!strncmp(arg, "ntsc-", 5)) {
3837 } else if(!strncmp(arg, "film-", 5)) {
3842 /* Calculate FR via float to avoid int overflow */
3843 fr = (int)(frame_rate * 1000.0 / frame_rate_base);
3846 } else if((fr == 29970) || (fr == 23976)) {
3849 /* Try to determine PAL/NTSC by peeking in the input files */
3850 if(nb_input_files) {
3852 for(j = 0; j < nb_input_files; j++) {
3853 for(i = 0; i < input_files[j]->nb_streams; i++) {
3854 AVCodecContext *c = input_files[j]->streams[i]->codec;
3855 if(c->codec_type != CODEC_TYPE_VIDEO)
3857 fr = c->time_base.den * 1000 / c->time_base.num;
3861 } else if((fr == 29970) || (fr == 23976)) {
3871 if(verbose && norm >= 0)
3872 fprintf(stderr, "Assuming %s for target.\n", norm ? "NTSC" : "PAL");
3876 fprintf(stderr, "Could not determine norm (PAL/NTSC/NTSC-Film) for target.\n");
3877 fprintf(stderr, "Please prefix target with \"pal-\", \"ntsc-\" or \"film-\",\n");
3878 fprintf(stderr, "or set a framerate with \"-r xxx\".\n");
3882 if(!strcmp(arg, "vcd")) {
3884 opt_video_codec("mpeg1video");
3885 opt_audio_codec("mp2");
3888 opt_frame_size(norm ? "352x240" : "352x288");
3889 opt_frame_rate(frame_rates[norm]);
3890 opt_gop_size(norm ? "18" : "15");
3892 video_bit_rate = 1150000;
3893 video_rc_max_rate = 1150000;
3894 video_rc_min_rate = 1150000;
3895 video_rc_buffer_size = 40*1024*8;
3897 audio_bit_rate = 224000;
3898 audio_sample_rate = 44100;
3900 mux_packet_size= 2324;
3901 mux_rate= 2352 * 75 * 8;
3903 /* We have to offset the PTS, so that it is consistent with the SCR.
3904 SCR starts at 36000, but the first two packs contain only padding
3905 and the first pack from the other stream, respectively, may also have
3906 been written before.
3907 So the real data starts at SCR 36000+3*1200. */
3908 mux_preload= (36000+3*1200) / 90000.0; //0.44
3909 } else if(!strcmp(arg, "svcd")) {
3911 opt_video_codec("mpeg2video");
3912 opt_audio_codec("mp2");
3915 opt_frame_size(norm ? "480x480" : "480x576");
3916 opt_frame_rate(frame_rates[norm]);
3917 opt_gop_size(norm ? "18" : "15");
3919 video_bit_rate = 2040000;
3920 video_rc_max_rate = 2516000;
3921 video_rc_min_rate = 0; //1145000;
3922 video_rc_buffer_size = 224*1024*8;
3923 opt_default("flags", "+SCAN_OFFSET");
3926 audio_bit_rate = 224000;
3927 audio_sample_rate = 44100;
3929 mux_packet_size= 2324;
3931 } else if(!strcmp(arg, "dvd")) {
3933 opt_video_codec("mpeg2video");
3934 opt_audio_codec("ac3");
3937 opt_frame_size(norm ? "720x480" : "720x576");
3938 opt_frame_rate(frame_rates[norm]);
3939 opt_gop_size(norm ? "18" : "15");
3941 video_bit_rate = 6000000;
3942 video_rc_max_rate = 9000000;
3943 video_rc_min_rate = 0; //1500000;
3944 video_rc_buffer_size = 224*1024*8;
3946 mux_packet_size= 2048; // from www.mpucoder.com: DVD sectors contain 2048 bytes of data, this is also the size of one pack.
3947 mux_rate = 10080000; // from mplex project: data_rate = 1260000. mux_rate = data_rate * 8
3949 audio_bit_rate = 448000;
3950 audio_sample_rate = 48000;
3952 } else if(!strcmp(arg, "dv")) {
3956 opt_frame_size(norm ? "720x480" : "720x576");
3957 opt_frame_rate(frame_rates[norm]);
3959 audio_sample_rate = 48000;
3963 fprintf(stderr, "Unknown target: %s\n", arg);
3968 static void show_version(void)
3970 /* TODO: add function interface to avutil and avformat */
3971 fprintf(stderr, "ffmpeg " FFMPEG_VERSION "\n"
3975 LIBAVUTIL_BUILD, avcodec_build(), LIBAVFORMAT_BUILD);
3979 static int opt_default(const char *opt, const char *arg){
3980 AVOption *o= av_set_string(avctx_opts, opt, arg);
3984 // 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));
3986 //FIXME we should always use avctx_opts, ... for storing options so there wont be any need to keep track of whats set over this
3987 opt_names= av_realloc(opt_names, sizeof(void*)*(opt_name_count+1));
3988 opt_names[opt_name_count++]= o->name;
3990 /* disable generate of real time pts in ffm (need to be supressed anyway) */
3991 if(avctx_opts->flags & CODEC_FLAG_BITEXACT)
3994 if(avctx_opts->debug)
3995 av_log_set_level(AV_LOG_DEBUG);
3999 const OptionDef options[] = {
4001 { "L", 0, {(void*)show_license}, "show license" },
4002 { "h", 0, {(void*)show_help}, "show help" },
4003 { "version", 0, {(void*)show_version}, "show version" },
4004 { "formats", 0, {(void*)show_formats}, "show available formats, codecs, protocols, ..." },
4005 { "f", HAS_ARG, {(void*)opt_format}, "force format", "fmt" },
4006 { "img", HAS_ARG, {(void*)opt_image_format}, "force image format", "img_fmt" },
4007 { "i", HAS_ARG, {(void*)opt_input_file}, "input file name", "filename" },
4008 { "y", OPT_BOOL, {(void*)&file_overwrite}, "overwrite output files" },
4009 { "map", HAS_ARG | OPT_EXPERT, {(void*)opt_map}, "set input stream mapping", "file:stream[:syncfile:syncstream]" },
4010 { "map_meta_data", HAS_ARG | OPT_EXPERT, {(void*)opt_map_meta_data}, "set meta data information of outfile from infile", "outfile:infile" },
4011 { "t", HAS_ARG, {(void*)opt_recording_time}, "set the recording time", "duration" },
4012 { "fs", HAS_ARG | OPT_INT, {(void*)&limit_filesize}, "set the limit file size", "limit_size" }, //
4013 { "ss", HAS_ARG, {(void*)opt_start_time}, "set the start time offset", "time_off" },
4014 { "itsoffset", HAS_ARG, {(void*)opt_input_ts_offset}, "set the input ts offset", "time_off" },
4015 { "title", HAS_ARG | OPT_STRING, {(void*)&str_title}, "set the title", "string" },
4016 { "timestamp", HAS_ARG, {(void*)&opt_rec_timestamp}, "set the timestamp", "time" },
4017 { "author", HAS_ARG | OPT_STRING, {(void*)&str_author}, "set the author", "string" },
4018 { "copyright", HAS_ARG | OPT_STRING, {(void*)&str_copyright}, "set the copyright", "string" },
4019 { "comment", HAS_ARG | OPT_STRING, {(void*)&str_comment}, "set the comment", "string" },
4020 { "benchmark", OPT_BOOL | OPT_EXPERT, {(void*)&do_benchmark},
4021 "add timings for benchmarking" },
4022 { "dump", OPT_BOOL | OPT_EXPERT, {(void*)&do_pkt_dump},
4023 "dump each input packet" },
4024 { "hex", OPT_BOOL | OPT_EXPERT, {(void*)&do_hex_dump},
4025 "when dumping packets, also dump the payload" },
4026 { "re", OPT_BOOL | OPT_EXPERT, {(void*)&rate_emu}, "read input at native frame rate", "" },
4027 { "loop", OPT_BOOL | OPT_EXPERT, {(void*)&loop_input}, "loop (current only works with images)" },
4028 { "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)", "" },
4029 { "v", HAS_ARG, {(void*)opt_verbose}, "control amount of logging", "verbose" },
4030 { "target", HAS_ARG, {(void*)opt_target}, "specify target file type (\"vcd\", \"svcd\", \"dvd\", \"dv\", \"pal-vcd\", \"ntsc-svcd\", ...)", "type" },
4031 { "threads", HAS_ARG | OPT_EXPERT, {(void*)opt_thread_count}, "thread count", "count" },
4032 { "vsync", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_sync_method}, "video sync method", "" },
4033 { "async", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&audio_sync_method}, "audio sync method", "" },
4034 { "vglobal", HAS_ARG | OPT_INT | OPT_EXPERT, {(void*)&video_global_header}, "video global header storage type", "" },
4035 { "copyts", OPT_BOOL | OPT_EXPERT, {(void*)©_ts}, "copy timestamps" },
4036 { "shortest", OPT_BOOL | OPT_EXPERT, {(void*)&opt_shortest}, "finish encoding within shortest input" }, //
4039 { "b", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate}, "set video bitrate (in kbit/s)", "bitrate" },
4040 { "vframes", OPT_INT | HAS_ARG | OPT_VIDEO, {(void*)&max_frames[CODEC_TYPE_VIDEO]}, "set the number of video frames to record", "number" },
4041 { "aframes", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&max_frames[CODEC_TYPE_AUDIO]}, "set the number of audio frames to record", "number" },
4042 { "dframes", OPT_INT | HAS_ARG, {(void*)&max_frames[CODEC_TYPE_DATA]}, "set the number of data frames to record", "number" },
4043 { "r", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_rate}, "set frame rate (Hz value, fraction or abbreviation)", "rate" },
4044 { "s", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_size}, "set frame size (WxH or abbreviation)", "size" },
4045 { "aspect", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_aspect_ratio}, "set aspect ratio (4:3, 16:9 or 1.3333, 1.7777)", "aspect" },
4046 { "pix_fmt", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_frame_pix_fmt}, "set pixel format", "format" },
4047 { "croptop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_top}, "set top crop band size (in pixels)", "size" },
4048 { "cropbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_bottom}, "set bottom crop band size (in pixels)", "size" },
4049 { "cropleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_left}, "set left crop band size (in pixels)", "size" },
4050 { "cropright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_crop_right}, "set right crop band size (in pixels)", "size" },
4051 { "padtop", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_top}, "set top pad band size (in pixels)", "size" },
4052 { "padbottom", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_bottom}, "set bottom pad band size (in pixels)", "size" },
4053 { "padleft", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_left}, "set left pad band size (in pixels)", "size" },
4054 { "padright", HAS_ARG | OPT_VIDEO, {(void*)opt_frame_pad_right}, "set right pad band size (in pixels)", "size" },
4055 { "padcolor", HAS_ARG | OPT_VIDEO, {(void*)opt_pad_color}, "set color of pad bands (Hex 000000 thru FFFFFF)", "color" },
4056 { "g", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_gop_size}, "set the group of picture size", "gop_size" },
4057 { "intra", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_only}, "use only intra frames"},
4058 { "vn", OPT_BOOL | OPT_VIDEO, {(void*)&video_disable}, "disable video" },
4059 { "vdt", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&video_discard}, "discard threshold", "n" },
4060 { "qscale", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qscale}, "use fixed video quantiser scale (VBR)", "q" },
4061 { "qmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmin}, "min video quantiser scale (VBR)", "q" },
4062 { "qmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qmax}, "max video quantiser scale (VBR)", "q" },
4063 { "lmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmin}, "min video lagrange factor (VBR)", "lambda" },
4064 { "lmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_lmax}, "max video lagrange factor (VBR)", "lambda" },
4065 { "mblmin", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmin}, "min macroblock quantiser scale (VBR)", "q" },
4066 { "mblmax", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_lmax}, "max macroblock quantiser scale (VBR)", "q" },
4067 { "qdiff", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qdiff}, "max difference between the quantiser scale (VBR)", "q" },
4068 { "qblur", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qblur}, "video quantiser scale blur (VBR)", "blur" },
4069 { "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" },
4070 { "qcomp", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_qcomp}, "video quantiser scale compression (VBR)", "compression" },
4071 { "rc_init_cplx", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_rc_initial_cplx}, "initial complexity for 1-pass encoding", "complexity" },
4072 { "b_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qfactor}, "qp factor between p and b frames", "factor" },
4073 { "i_qfactor", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qfactor}, "qp factor between p and i frames", "factor" },
4074 { "b_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_qoffset}, "qp offset between p and b frames", "offset" },
4075 { "i_qoffset", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_i_qoffset}, "qp offset between p and i frames", "offset" },
4076 { "ibias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_ibias}, "intra quant bias", "bias" },
4077 { "pbias", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pbias}, "inter quant bias", "bias" },
4078 { "rc_eq", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_eq}, "set rate control equation", "equation" },
4079 { "rc_override", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_rc_override_string}, "rate control override for specific intervals", "override" },
4080 { "bt", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_tolerance}, "set video bitrate tolerance (in kbit/s)", "tolerance" },
4081 { "maxrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_max}, "set max video bitrate tolerance (in kbit/s)", "bitrate" },
4082 { "minrate", HAS_ARG | OPT_VIDEO, {(void*)opt_video_bitrate_min}, "set min video bitrate tolerance (in kbit/s)", "bitrate" },
4083 { "bufsize", HAS_ARG | OPT_VIDEO, {(void*)opt_video_buffer_size}, "set ratecontrol buffer size (in kByte)", "size" },
4084 { "vcodec", HAS_ARG | OPT_VIDEO, {(void*)opt_video_codec}, "force video codec ('copy' to copy stream)", "codec" },
4085 { "me", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_motion_estimation}, "set motion estimation method",
4087 { "me_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_threshold}, "motion estimaton threshold", "" },
4088 { "mb_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_mb_threshold}, "macroblock threshold", "" },
4089 { "bf", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_b_frames}, "use 'frames' B frames", "frames" },
4090 { "preme", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_pre_me}, "pre motion estimation", "" },
4091 { "bug", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_workaround_bugs}, "workaround not auto detected encoder bugs", "param" },
4092 { "ps", HAS_ARG | OPT_EXPERT, {(void*)opt_packet_size}, "set packet size in bits", "size" },
4093 { "error", HAS_ARG | OPT_EXPERT, {(void*)opt_error_rate}, "error rate", "rate" },
4094 { "strict", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_strict}, "how strictly to follow the standards", "strictness" },
4095 { "sameq", OPT_BOOL | OPT_VIDEO, {(void*)&same_quality},
4096 "use same video quality as source (implies VBR)" },
4097 { "pass", HAS_ARG | OPT_VIDEO, {(void*)&opt_pass}, "select the pass number (1 or 2)", "n" },
4098 { "passlogfile", HAS_ARG | OPT_STRING | OPT_VIDEO, {(void*)&pass_logfilename}, "select two pass log file name", "file" },
4099 { "deinterlace", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_deinterlace},
4100 "deinterlace pictures" },
4101 { "psnr", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_psnr}, "calculate PSNR of compressed frames" },
4102 { "vstats", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, {(void*)&do_vstats}, "dump video coding statistics to file" },
4103 { "vhook", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)add_frame_hooker}, "insert video processing module", "module" },
4104 { "intra_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_intra_matrix}, "specify intra matrix coeffs", "matrix" },
4105 { "inter_matrix", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_inter_matrix}, "specify inter matrix coeffs", "matrix" },
4106 { "top", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_top_field_first}, "top=1/bottom=0/auto=-1 field first", "" },
4107 { "sc_threshold", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_sc_threshold}, "scene change threshold", "threshold" },
4108 { "me_range", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_me_range}, "limit motion vectors range (1023 for DivX player)", "range" },
4109 { "dc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&intra_dc_precision}, "intra_dc_precision", "precision" },
4110 { "mepc", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&me_penalty_compensation}, "motion estimation bitrate penalty compensation", "factor (1.0 = 256)" },
4111 { "vtag", HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)opt_video_tag}, "force video tag/fourcc", "fourcc/tag" },
4112 { "skip_threshold", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_threshold}, "frame skip threshold", "threshold" },
4113 { "skip_factor", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_factor}, "frame skip factor", "factor" },
4114 { "skip_exp", OPT_INT | HAS_ARG | OPT_EXPERT | OPT_VIDEO, {(void*)&frame_skip_exp}, "frame skip exponent", "exponent" },
4115 { "newvideo", OPT_VIDEO, {(void*)opt_new_video_stream}, "add a new video stream to the current output stream" },
4116 { "genpts", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&genpts }, "generate pts" },
4117 { "qphist", OPT_BOOL | OPT_EXPERT | OPT_VIDEO, { (void *)&qp_hist }, "show QP histogram" },
4120 { "ab", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_bitrate}, "set audio bitrate (in kbit/s)", "bitrate", },
4121 { "aq", OPT_FLOAT | HAS_ARG | OPT_AUDIO, {(void*)&audio_qscale}, "set audio quality (codec-specific)", "quality", },
4122 { "ar", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_rate}, "set audio sampling rate (in Hz)", "rate" },
4123 { "ac", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_channels}, "set number of audio channels", "channels" },
4124 { "an", OPT_BOOL | OPT_AUDIO, {(void*)&audio_disable}, "disable audio" },
4125 { "acodec", HAS_ARG | OPT_AUDIO, {(void*)opt_audio_codec}, "force audio codec ('copy' to copy stream)", "codec" },
4126 { "atag", HAS_ARG | OPT_EXPERT | OPT_AUDIO, {(void*)opt_audio_tag}, "force audio tag/fourcc", "fourcc/tag" },
4127 { "vol", OPT_INT | HAS_ARG | OPT_AUDIO, {(void*)&audio_volume}, "change audio volume (256=normal)" , "volume" }, //
4128 { "newaudio", OPT_AUDIO, {(void*)opt_new_audio_stream}, "add a new audio stream to the current output stream" },
4129 { "alang", HAS_ARG | OPT_STRING | OPT_AUDIO, {(void *)&audio_language}, "set the ISO 639 language code (3 letters) of the current audio stream" , "code" },
4131 /* subtitle options */
4132 { "scodec", HAS_ARG | OPT_SUBTITLE, {(void*)opt_subtitle_codec}, "force subtitle codec ('copy' to copy stream)", "codec" },
4133 { "newsubtitle", OPT_SUBTITLE, {(void*)opt_new_subtitle_stream}, "add a new subtitle stream to the current output stream" },
4134 { "slang", HAS_ARG | OPT_STRING | OPT_SUBTITLE, {(void *)&subtitle_language}, "set the ISO 639 language code (3 letters) of the current subtitle stream" , "code" },
4137 { "vd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_device}, "set video grab device", "device" },
4138 { "vc", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_channel}, "set video grab channel (DV1394 only)", "channel" },
4139 { "tvstd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_video_standard}, "set television standard (NTSC, PAL (SECAM))", "standard" },
4140 { "ad", HAS_ARG | OPT_EXPERT | OPT_AUDIO | OPT_GRAB, {(void*)opt_audio_device}, "set audio device", "device" },
4142 /* G.2 grab options */
4143 { "grab", HAS_ARG | OPT_EXPERT | OPT_GRAB, {(void*)opt_grab}, "request grabbing using", "format" },
4144 { "gd", HAS_ARG | OPT_EXPERT | OPT_VIDEO | OPT_GRAB, {(void*)opt_grab_device}, "set grab device", "device" },
4147 { "muxrate", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_rate}, "set mux rate", "rate" },
4148 { "packetsize", OPT_INT | HAS_ARG | OPT_EXPERT, {(void*)&mux_packet_size}, "set packet size", "size" },
4149 { "muxdelay", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_max_delay}, "set the maximum demux-decode delay", "seconds" },
4150 { "muxpreload", OPT_FLOAT | HAS_ARG | OPT_EXPERT, {(void*)&mux_preload}, "set the initial demux-decode delay", "seconds" },
4151 { "default", OPT_FUNC2 | HAS_ARG | OPT_AUDIO | OPT_VIDEO | OPT_EXPERT, {(void*)opt_default}, "generic catch all option", "" },
4155 static void show_banner(void)
4157 fprintf(stderr, "FFmpeg version " FFMPEG_VERSION ", Copyright (c) 2000-2004 Fabrice Bellard\n");
4158 fprintf(stderr, " configuration: " FFMPEG_CONFIGURATION "\n");
4159 fprintf(stderr, " libavutil version: " AV_STRINGIFY(LIBAVUTIL_VERSION) "\n");
4160 fprintf(stderr, " libavcodec version: " AV_STRINGIFY(LIBAVCODEC_VERSION) "\n");
4161 fprintf(stderr, " libavformat version: " AV_STRINGIFY(LIBAVFORMAT_VERSION) "\n");
4162 fprintf(stderr, " built on " __DATE__ " " __TIME__);
4164 fprintf(stderr, ", gcc: " __VERSION__ "\n");
4166 fprintf(stderr, ", using a non-gcc compiler\n");
4170 static void show_license(void)
4175 "This program is free software; you can redistribute it and/or modify\n"
4176 "it under the terms of the GNU General Public License as published by\n"
4177 "the Free Software Foundation; either version 2 of the License, or\n"
4178 "(at your option) any later version.\n"
4180 "This program is distributed in the hope that it will be useful,\n"
4181 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4182 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
4183 "GNU General Public License for more details.\n"
4185 "You should have received a copy of the GNU General Public License\n"
4186 "along with this program; if not, write to the Free Software\n"
4187 "Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA\n"
4191 "This library is free software; you can redistribute it and/or\n"
4192 "modify it under the terms of the GNU Lesser General Public\n"
4193 "License as published by the Free Software Foundation; either\n"
4194 "version 2 of the License, or (at your option) any later version.\n"
4196 "This library is distributed in the hope that it will be useful,\n"
4197 "but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
4198 "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU\n"
4199 "Lesser General Public License for more details.\n"
4201 "You should have received a copy of the GNU Lesser General Public\n"
4202 "License along with this library; if not, write to the Free Software\n"
4203 "Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA\n"
4209 static void show_help(void)
4212 printf("usage: ffmpeg [[infile options] -i infile]... {[outfile options] outfile}...\n"
4213 "Hyper fast Audio and Video encoder\n");
4215 show_help_options(options, "Main options:\n",
4216 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO, 0);
4217 show_help_options(options, "\nVideo options:\n",
4218 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4220 show_help_options(options, "\nAdvanced Video options:\n",
4221 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4222 OPT_VIDEO | OPT_EXPERT);
4223 show_help_options(options, "\nAudio options:\n",
4224 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4226 show_help_options(options, "\nAdvanced Audio options:\n",
4227 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4228 OPT_AUDIO | OPT_EXPERT);
4229 show_help_options(options, "\nSubtitle options:\n",
4230 OPT_SUBTITLE | OPT_GRAB,
4232 show_help_options(options, "\nAudio/Video grab options:\n",
4235 show_help_options(options, "\nAdvanced options:\n",
4236 OPT_EXPERT | OPT_AUDIO | OPT_VIDEO | OPT_GRAB,
4238 av_opt_show(avctx_opts, NULL);
4243 void parse_arg_file(const char *filename)
4245 opt_output_file(filename);
4248 int main(int argc, char **argv)
4255 avctx_opts= avcodec_alloc_context();
4263 parse_options(argc, argv, options);
4265 /* file converter / grab */
4266 if (nb_output_files <= 0) {
4267 fprintf(stderr, "Must supply at least one output file\n");
4271 if (nb_input_files == 0) {
4277 av_encode(output_files, nb_output_files, input_files, nb_input_files,
4278 stream_maps, nb_stream_maps);
4279 ti = getutime() - ti;
4281 printf("bench: utime=%0.3fs\n", ti / 1000000.0);
4285 for(i=0;i<nb_output_files;i++) {
4286 /* maybe av_close_output_file ??? */
4287 AVFormatContext *s = output_files[i];
4289 if (!(s->oformat->flags & AVFMT_NOFILE))
4291 for(j=0;j<s->nb_streams;j++)
4292 av_free(s->streams[j]);
4295 for(i=0;i<nb_input_files;i++)
4296 av_close_input_file(input_files[i]);
4301 av_free(intra_matrix);
4303 av_free(inter_matrix);
4305 #ifdef POWERPC_PERFORMANCE_REPORT
4306 extern void powerpc_display_perf_report(void);
4307 powerpc_display_perf_report();
4308 #endif /* POWERPC_PERFORMANCE_REPORT */
4310 #ifndef CONFIG_WIN32
4311 if (received_sigterm) {
4313 "Received signal %d: terminating.\n",
4314 (int) received_sigterm);
4318 exit(0); /* not all OS-es handle main() return value */