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
;