3 * Copyright (c) 2000-2003 Fabrice Bellard
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Lesser General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Lesser General Public License for more details.
15 * You should have received a copy of the GNU Lesser General Public
16 * License along with this library; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19 #define HAVE_AV_CONFIG_H
22 #include "framehook.h"
28 #include <sys/ioctl.h>
31 #include <sys/resource.h>
35 #include <sys/types.h>
36 #include <sys/select.h>
39 #undef time //needed because HAVE_AV_CONFIG_H is defined on top
47 #if !defined(INFINITY) && defined(HUGE_VAL)
48 #define INFINITY HUGE_VAL
51 /* select an input stream for an output stream */
52 typedef struct AVStreamMap
{
57 /** select an input file for an output file */
58 typedef struct AVMetaDataMap
{
63 extern const OptionDef options
[];
65 static void show_help(void);
66 static void show_license(void);
70 static AVFormatContext
*input_files
[MAX_FILES
];
71 static int64_t input_files_ts_offset
[MAX_FILES
];
72 static int nb_input_files
= 0;
74 static AVFormatContext
*output_files
[MAX_FILES
];
75 static int nb_output_files
= 0;
77 static AVStreamMap stream_maps
[MAX_FILES
];
78 static int nb_stream_maps
;
80 static AVMetaDataMap meta_data_maps
[MAX_FILES
];
81 static int nb_meta_data_maps
;
83 static AVInputFormat
*file_iformat
;
84 static AVOutputFormat
*file_oformat
;
85 static AVImageFormat
*image_format
;
86 static int frame_width
= 160;
87 static int frame_height
= 128;
88 static float frame_aspect_ratio
= 0;
89 static enum PixelFormat frame_pix_fmt
= PIX_FMT_YUV420P
;
90 static int frame_padtop
= 0;
91 static int frame_padbottom
= 0;
92 static int frame_padleft
= 0;
93 static int frame_padright
= 0;
94 static int padcolor
[3] = {16,128,128}; /* default to black */
95 static int frame_topBand
= 0;
96 static int frame_bottomBand
= 0;
97 static int frame_leftBand
= 0;
98 static int frame_rightBand
= 0;
99 static int frame_rate
= 25;
100 static int frame_rate_base
= 1;
101 static int video_bit_rate
= 200*1000;
102 static int video_bit_rate_tolerance
= 4000*1000;
103 static float video_qscale
= 0;
104 static int video_qmin
= 2;
105 static int video_qmax
= 31;
106 static int video_lmin
= 2*FF_QP2LAMBDA
;
107 static int video_lmax
= 31*FF_QP2LAMBDA
;
108 static int video_mb_qmin
= 2;
109 static int video_mb_qmax
= 31;
110 static int video_qdiff
= 3;
111 static float video_qblur
= 0.5;
112 static float video_qcomp
= 0.5;
113 static uint16_t *intra_matrix
= NULL
;
114 static uint16_t *inter_matrix
= NULL
;
115 #if 0 //experimental, (can be removed)
116 static float video_rc_qsquish
=1.0;
117 static float video_rc_qmod_amp
=0;
118 static int video_rc_qmod_freq
=0;
120 static char *video_rc_override_string
=NULL
;
121 static char *video_rc_eq
="tex^qComp";
122 static int video_rc_buffer_size
=0;
123 static float video_rc_buffer_aggressivity
=1.0;
124 static int video_rc_max_rate
=0;
125 static int video_rc_min_rate
=0;
126 static float video_rc_initial_cplx
=0;
127 static float video_b_qfactor
= 1.25;
128 static float video_b_qoffset
= 1.25;
129 static float video_i_qfactor
= -0.8;
130 static float video_i_qoffset
= 0.0;
131 static int video_intra_quant_bias
= FF_DEFAULT_QUANT_BIAS
;
132 static int video_inter_quant_bias
= FF_DEFAULT_QUANT_BIAS
;
133 static int me_method
= ME_EPZS
;
134 static int video_disable
= 0;
135 static int video_codec_id
= CODEC_ID_NONE
;
136 static int same_quality
= 0;
137 static int b_frames
= 0;
138 static int mb_decision
= FF_MB_DECISION_SIMPLE
;
139 static int ildct_cmp
= FF_CMP_VSAD
;
140 static int mb_cmp
= FF_CMP_SAD
;
141 static int sub_cmp
= FF_CMP_SAD
;
142 static int cmp
= FF_CMP_SAD
;
143 static int pre_cmp
= FF_CMP_SAD
;
144 static int pre_me
= 0;
145 static float lumi_mask
= 0;
146 static float dark_mask
= 0;
147 static float scplx_mask
= 0;
148 static float tcplx_mask
= 0;
149 static float p_mask
= 0;
150 static int use_4mv
= 0;
151 static int use_obmc
= 0;
152 static int use_loop
= 0;
153 static int use_aic
= 0;
154 static int use_aiv
= 0;
155 static int use_umv
= 0;
156 static int use_ss
= 0;
157 static int use_alt_scan
= 0;
158 static int use_trell
= 0;
159 static int use_scan_offset
= 0;
160 static int use_qpel
= 0;
161 static int use_qprd
= 0;
162 static int use_cbprd
= 0;
164 static int closed_gop
= 0;
165 static int do_deinterlace
= 0;
166 static int do_interlace_dct
= 0;
167 static int do_interlace_me
= 0;
168 static int workaround_bugs
= FF_BUG_AUTODETECT
;
169 static int error_resilience
= 2;
170 static int error_concealment
= 3;
171 static int dct_algo
= 0;
172 static int idct_algo
= 0;
173 static int use_part
= 0;
174 static int packet_size
= 0;
175 static int error_rate
= 0;
176 static int strict
= 0;
177 static int top_field_first
= -1;
178 static int noise_reduction
= 0;
179 static int sc_threshold
= 0;
180 static int debug
= 0;
181 static int debug_mv
= 0;
182 static int me_threshold
= 0;
183 static int mb_threshold
= 0;
184 static int intra_dc_precision
= 8;
185 static int coder
= 0;
186 static int context
= 0;
187 static int predictor
= 0;
188 static int video_profile
= FF_PROFILE_UNKNOWN
;
189 static int video_level
= FF_LEVEL_UNKNOWN
;
190 static int nsse_weight
= 8;
191 extern int loop_input
; /* currently a hack */
193 static int gop_size
= 12;
194 static int intra_only
= 0;
195 static int audio_sample_rate
= 44100;
196 static int audio_bit_rate
= 64000;
197 static int audio_disable
= 0;
198 static int audio_channels
= 1;
199 static int audio_codec_id
= CODEC_ID_NONE
;
201 static int64_t recording_time
= 0;
202 static int64_t start_time
= 0;
203 static int64_t rec_timestamp
= 0;
204 static int64_t input_ts_offset
= 0;
205 static int file_overwrite
= 0;
206 static char *str_title
= NULL
;
207 static char *str_author
= NULL
;
208 static char *str_copyright
= NULL
;
209 static char *str_comment
= NULL
;
210 static int do_benchmark
= 0;
211 static int do_hex_dump
= 0;
212 static int do_pkt_dump
= 0;
213 static int do_psnr
= 0;
214 static int do_vstats
= 0;
215 static int do_pass
= 0;
216 static int bitexact
= 0;
217 static char *pass_logfilename
= NULL
;
218 static int audio_stream_copy
= 0;
219 static int video_stream_copy
= 0;
220 static int video_sync_method
= 1;
221 static int audio_sync_method
= 0;
222 static int copy_ts
= 0;
224 static int rate_emu
= 0;
226 static char *video_grab_format
= "video4linux";
227 static char *video_device
= NULL
;
228 static int video_channel
= 0;
229 static char *video_standard
= "ntsc";
231 static char *audio_grab_format
= "audio_device";
232 static char *audio_device
= NULL
;
234 static int using_stdin
= 0;
235 static int using_vhook
= 0;
236 static int verbose
= 1;
237 static int thread_count
= 1;
238 static int q_pressed
= 0;
239 static int me_range
= 0;
240 static int64_t video_size
= 0;
241 static int64_t audio_size
= 0;
242 static int64_t extra_size
= 0;
243 static int nb_frames_dup
= 0;
244 static int nb_frames_drop
= 0;
245 static int input_sync
;
247 #define DEFAULT_PASS_LOGFILENAME "ffmpeg2pass"
249 typedef struct AVOutputStream
{
250 int file_index
; /* file index */
251 int index
; /* stream index in the output file */
252 int source_index
; /* AVInputStream index */
253 AVStream
*st
; /* stream in the output file */
254 int encoding_needed
; /* true if encoding needed for this stream */
256 /* input pts and corresponding output pts
258 double sync_ipts
; /* dts from the AVPacket of the demuxer in second units */
259 int64_t sync_opts
; /* output frame counter, could be changed to some true timestamp */ //FIXME look at frame_number
261 int video_resample
; /* video_resample and video_crop are mutually exclusive */
262 AVFrame pict_tmp
; /* temporary image for resampling */
263 ImgReSampleContext
*img_resample_ctx
; /* for image resampling */
265 int video_crop
; /* video_resample and video_crop are mutually exclusive */
266 int topBand
; /* cropping area sizes */
269 int video_pad
; /* video_resample and video_pad are mutually exclusive */
270 int padtop
; /* padding area sizes */
277 ReSampleContext
*resample
; /* for audio resampling */
278 FifoBuffer fifo
; /* for compression: one audio fifo per codec */
282 typedef struct AVInputStream
{
286 int discard
; /* true if stream data should be discarded */
287 int decoding_needed
; /* true if the packets must be decoded in 'raw_fifo' */
288 int64_t sample_index
; /* current sample */
290 int64_t start
; /* time when read started */
291 unsigned long frame
; /* current frame */
292 int64_t next_pts
; /* synthetic pts for cases where pkt.pts
294 int64_t pts
; /* current pts */
295 int is_start
; /* is 1 at the start and after a discontinuity */
298 typedef struct AVInputFile
{
299 int eof_reached
; /* true if eof reached */
300 int ist_index
; /* index of first stream in ist_table */
301 int buffer_size
; /* current total buffer size */
302 int buffer_size_max
; /* buffer size at which we consider we can stop
304 int nb_streams
; /* nb streams we are aware of */
309 /* init terminal so that we can grab keys */
310 static struct termios oldtty
;
312 static void term_exit(void)
314 tcsetattr (0, TCSANOW
, &oldtty
);
317 static volatile sig_atomic_t received_sigterm
= 0;
320 sigterm_handler(int sig
)
322 received_sigterm
= sig
;
326 static void term_init(void)
333 tty
.c_iflag
&= ~(IGNBRK
|BRKINT
|PARMRK
|ISTRIP
334 |INLCR
|IGNCR
|ICRNL
|IXON
);
335 tty
.c_oflag
|= OPOST
;
336 tty
.c_lflag
&= ~(ECHO
|ECHONL
|ICANON
|IEXTEN
);
337 tty
.c_cflag
&= ~(CSIZE
|PARENB
);
342 tcsetattr (0, TCSANOW
, &tty
);
344 signal(SIGINT
, sigterm_handler
); /* Interrupt (ANSI). */
345 signal(SIGQUIT
, sigterm_handler
); /* Quit (POSIX). */
346 signal(SIGTERM
, sigterm_handler
); /* Termination (ANSI). */
348 register a function to be called at normal program termination
351 #ifdef CONFIG_BEOS_NETSERVER
352 fcntl(0, F_SETFL
, fcntl(0, F_GETFL
) | O_NONBLOCK
);
356 /* read a key without blocking */
357 static int read_key(void)
361 #ifndef CONFIG_BEOS_NETSERVER
369 n
= select(1, &rfds
, NULL
, NULL
, &tv
);
381 static int decode_interrupt_cb(void)
383 return q_pressed
|| (q_pressed
= read_key() == 'q');
388 static volatile int received_sigterm
= 0;
390 /* no interactive support */
391 static void term_exit(void)
395 static void term_init(void)
399 static int read_key(void)
406 static int read_ffserver_streams(AVFormatContext
*s
, const char *filename
)
411 err
= av_open_input_file(&ic
, filename
, NULL
, FFM_PACKET_SIZE
, NULL
);
414 /* copy stream format */
415 s
->nb_streams
= ic
->nb_streams
;
416 for(i
=0;i
<ic
->nb_streams
;i
++) {
419 st
= av_mallocz(sizeof(AVStream
));
420 memcpy(st
, ic
->streams
[i
], sizeof(AVStream
));
424 av_close_input_file(ic
);
428 #define MAX_AUDIO_PACKET_SIZE (128 * 1024)
430 static void do_audio_out(AVFormatContext
*s
,
433 unsigned char *buf
, int size
)
436 static uint8_t *audio_buf
= NULL
;
437 static uint8_t *audio_out
= NULL
;
438 const int audio_out_size
= 4*MAX_AUDIO_PACKET_SIZE
;
440 int size_out
, frame_bytes
, ret
;
441 AVCodecContext
*enc
= &ost
->st
->codec
;
443 /* SC: dynamic allocation of buffers */
445 audio_buf
= av_malloc(2*MAX_AUDIO_PACKET_SIZE
);
447 audio_out
= av_malloc(audio_out_size
);
448 if (!audio_buf
|| !audio_out
)
449 return; /* Should signal an error ! */
451 if(audio_sync_method
){
452 double delta
= ost
->sync_ipts
* enc
->sample_rate
- ost
->sync_opts
453 - fifo_size(&ost
->fifo
, ost
->fifo
.rptr
)/(ost
->st
->codec
.channels
* 2);
454 double idelta
= delta
*ist
->st
->codec
.sample_rate
/ enc
->sample_rate
;
455 int byte_delta
= ((int)idelta
)*2*ist
->st
->codec
.channels
;
457 //FIXME resample delay
458 if(fabs(delta
) > 50){
461 byte_delta
= FFMAX(byte_delta
, -size
);
465 fprintf(stderr
, "discarding %d audio samples\n", (int)-delta
);
470 static uint8_t *input_tmp
= NULL
;
471 input_tmp
= av_realloc(input_tmp
, byte_delta
+ size
);
473 if(byte_delta
+ size
<= MAX_AUDIO_PACKET_SIZE
)
476 byte_delta
= MAX_AUDIO_PACKET_SIZE
- size
;
478 memset(input_tmp
, 0, byte_delta
);
479 memcpy(input_tmp
+ byte_delta
, buf
, size
);
483 fprintf(stderr
, "adding %d audio samples of silence\n", (int)delta
);
485 }else if(audio_sync_method
>1){
486 int comp
= clip(delta
, -audio_sync_method
, audio_sync_method
);
487 assert(ost
->audio_resample
);
489 fprintf(stderr
, "compensating audio timestamp drift:%f compensation:%d in:%d\n", delta
, comp
, enc
->sample_rate
);
490 fprintf(stderr
, "drift:%f len:%d opts:%lld ipts:%lld fifo:%d\n", delta
, -1, ost
->sync_opts
, (int64_t)(ost
->sync_ipts
* enc
->sample_rate
), fifo_size(&ost
->fifo
, ost
->fifo
.rptr
)/(ost
->st
->codec
.channels
* 2));
491 av_resample_compensate(*(struct AVResampleContext
**)ost
->resample
, comp
, enc
->sample_rate
);
495 ost
->sync_opts
= lrintf(ost
->sync_ipts
* enc
->sample_rate
)
496 - fifo_size(&ost
->fifo
, ost
->fifo
.rptr
)/(ost
->st
->codec
.channels
* 2); //FIXME wrong
498 if (ost
->audio_resample
) {
500 size_out
= audio_resample(ost
->resample
,
501 (short *)buftmp
, (short *)buf
,
502 size
/ (ist
->st
->codec
.channels
* 2));
503 size_out
= size_out
* enc
->channels
* 2;
509 /* now encode as many frames as possible */
510 if (enc
->frame_size
> 1) {
511 /* output resampled raw samples */
512 fifo_write(&ost
->fifo
, buftmp
, size_out
,
515 frame_bytes
= enc
->frame_size
* 2 * enc
->channels
;
517 while (fifo_read(&ost
->fifo
, audio_buf
, frame_bytes
,
518 &ost
->fifo
.rptr
) == 0) {
520 av_init_packet(&pkt
);
522 ret
= avcodec_encode_audio(enc
, audio_out
, audio_out_size
,
525 pkt
.stream_index
= ost
->index
;
529 pkt
.pts
= enc
->coded_frame
->pts
;
530 pkt
.flags
|= PKT_FLAG_KEY
;
531 av_interleaved_write_frame(s
, &pkt
);
533 ost
->sync_opts
+= enc
->frame_size
;
537 av_init_packet(&pkt
);
539 ost
->sync_opts
+= size_out
/ (2 * enc
->channels
);
541 /* output a pcm frame */
542 /* XXX: change encoding codec API to avoid this ? */
543 switch(enc
->codec
->id
) {
544 case CODEC_ID_PCM_S16LE
:
545 case CODEC_ID_PCM_S16BE
:
546 case CODEC_ID_PCM_U16LE
:
547 case CODEC_ID_PCM_U16BE
:
550 size_out
= size_out
>> 1;
553 ret
= avcodec_encode_audio(enc
, audio_out
, size_out
,
556 pkt
.stream_index
= ost
->index
;
560 pkt
.pts
= enc
->coded_frame
->pts
;
561 pkt
.flags
|= PKT_FLAG_KEY
;
562 av_interleaved_write_frame(s
, &pkt
);
566 static void pre_process_video_frame(AVInputStream
*ist
, AVPicture
*picture
, void **bufp
)
570 AVPicture picture_tmp
;
573 dec
= &ist
->st
->codec
;
575 /* deinterlace : must be done before any resize */
576 if (do_deinterlace
|| using_vhook
) {
579 /* create temporary picture */
580 size
= avpicture_get_size(dec
->pix_fmt
, dec
->width
, dec
->height
);
581 buf
= av_malloc(size
);
585 picture2
= &picture_tmp
;
586 avpicture_fill(picture2
, buf
, dec
->pix_fmt
, dec
->width
, dec
->height
);
589 if(avpicture_deinterlace(picture2
, picture
,
590 dec
->pix_fmt
, dec
->width
, dec
->height
) < 0) {
591 /* if error, do not deinterlace */
597 if (img_convert(picture2
, dec
->pix_fmt
, picture
,
598 dec
->pix_fmt
, dec
->width
, dec
->height
) < 0) {
599 /* if error, do not copy */
609 frame_hook_process(picture2
, dec
->pix_fmt
, dec
->width
, dec
->height
);
611 if (picture
!= picture2
)
612 *picture
= *picture2
;
616 /* we begin to correct av delay at this threshold */
617 #define AV_DELAY_MAX 0.100
620 /* Expects img to be yuv420 */
621 static void fill_pad_region(AVPicture
* img
, int height
, int width
,
622 int padtop
, int padbottom
, int padleft
, int padright
, int *color
) {
627 for (i
= 0; i
< 3; i
++) {
628 shift
= (i
== 0) ?
0 : 1;
630 if (padtop
|| padleft
) {
631 memset(img
->data
[i
], color
[i
], (((img
->linesize
[i
] * padtop
) +
635 if (padleft
|| padright
) {
636 optr
= img
->data
[i
] + (img
->linesize
[i
] * (padtop
>> shift
)) +
637 (img
->linesize
[i
] - (padright
>> shift
));
639 for (y
= 0; y
< ((height
- (padtop
+ padbottom
)) >> shift
); y
++) {
640 memset(optr
, color
[i
], (padleft
+ padright
) >> shift
);
641 optr
+= img
->linesize
[i
];
646 optr
= img
->data
[i
] + (img
->linesize
[i
] * ((height
- padbottom
) >> shift
));
647 memset(optr
, color
[i
], ((img
->linesize
[i
] * padbottom
) >> shift
));
652 static uint8_t *bit_buffer
= NULL
;
654 static void do_video_out(AVFormatContext
*s
,
660 int nb_frames
, i
, ret
;
661 AVFrame
*final_picture
, *formatted_picture
;
662 AVFrame picture_format_temp
, picture_crop_temp
;
663 uint8_t *buf
= NULL
, *buf1
= NULL
;
664 AVCodecContext
*enc
, *dec
;
665 enum PixelFormat target_pixfmt
;
667 #define VIDEO_BUFFER_SIZE (1024*1024)
669 avcodec_get_frame_defaults(&picture_format_temp
);
670 avcodec_get_frame_defaults(&picture_crop_temp
);
672 enc
= &ost
->st
->codec
;
673 dec
= &ist
->st
->codec
;
675 /* by default, we output a single frame */
680 if(video_sync_method
){
682 vdelta
= ost
->sync_ipts
* enc
->frame_rate
/ enc
->frame_rate_base
- ost
->sync_opts
;
683 //FIXME set to 0.5 after we fix some dts/pts bugs like in avidec.c
686 else if (vdelta
> 1.1)
687 nb_frames
= lrintf(vdelta
- 1.1 + 0.5);
688 //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);
692 fprintf(stderr
, "*** drop!\n");
693 }else if (nb_frames
> 1) {
694 nb_frames_dup
+= nb_frames
;
696 fprintf(stderr
, "*** %d dup!\n", nb_frames
-1);
699 ost
->sync_opts
= lrintf(ost
->sync_ipts
* enc
->frame_rate
/ enc
->frame_rate_base
);
704 /* convert pixel format if needed */
705 target_pixfmt
= ost
->video_resample
|| ost
->video_pad
706 ? PIX_FMT_YUV420P
: enc
->pix_fmt
;
707 if (dec
->pix_fmt
!= target_pixfmt
) {
710 /* create temporary picture */
711 size
= avpicture_get_size(target_pixfmt
, dec
->width
, dec
->height
);
712 buf
= av_malloc(size
);
715 formatted_picture
= &picture_format_temp
;
716 avpicture_fill((AVPicture
*)formatted_picture
, buf
, target_pixfmt
, dec
->width
, dec
->height
);
718 if (img_convert((AVPicture
*)formatted_picture
, target_pixfmt
,
719 (AVPicture
*)in_picture
, dec
->pix_fmt
,
720 dec
->width
, dec
->height
) < 0) {
723 fprintf(stderr
, "pixel format conversion not handled\n");
728 formatted_picture
= in_picture
;
731 /* XXX: resampling could be done before raw format conversion in
732 some cases to go faster */
733 /* XXX: only works for YUV420P */
734 if (ost
->video_resample
) {
735 final_picture
= &ost
->pict_tmp
;
736 img_resample(ost
->img_resample_ctx
, (AVPicture
*)final_picture
, (AVPicture
*)formatted_picture
);
738 if (ost
->padtop
|| ost
->padbottom
|| ost
->padleft
|| ost
->padright
) {
739 fill_pad_region((AVPicture
*)final_picture
, enc
->height
, enc
->width
,
740 ost
->padtop
, ost
->padbottom
, ost
->padleft
, ost
->padright
,
744 if (enc
->pix_fmt
!= PIX_FMT_YUV420P
) {
748 /* create temporary picture */
749 size
= avpicture_get_size(enc
->pix_fmt
, enc
->width
, enc
->height
);
750 buf
= av_malloc(size
);
753 final_picture
= &picture_format_temp
;
754 avpicture_fill((AVPicture
*)final_picture
, buf
, enc
->pix_fmt
, enc
->width
, enc
->height
);
756 if (img_convert((AVPicture
*)final_picture
, enc
->pix_fmt
,
757 (AVPicture
*)&ost
->pict_tmp
, PIX_FMT_YUV420P
,
758 enc
->width
, enc
->height
) < 0) {
761 fprintf(stderr
, "pixel format conversion not handled\n");
766 } else if (ost
->video_crop
) {
767 picture_crop_temp
.data
[0] = formatted_picture
->data
[0] +
768 (ost
->topBand
* formatted_picture
->linesize
[0]) + ost
->leftBand
;
770 picture_crop_temp
.data
[1] = formatted_picture
->data
[1] +
771 ((ost
->topBand
>> 1) * formatted_picture
->linesize
[1]) +
772 (ost
->leftBand
>> 1);
774 picture_crop_temp
.data
[2] = formatted_picture
->data
[2] +
775 ((ost
->topBand
>> 1) * formatted_picture
->linesize
[2]) +
776 (ost
->leftBand
>> 1);
778 picture_crop_temp
.linesize
[0] = formatted_picture
->linesize
[0];
779 picture_crop_temp
.linesize
[1] = formatted_picture
->linesize
[1];
780 picture_crop_temp
.linesize
[2] = formatted_picture
->linesize
[2];
781 final_picture
= &picture_crop_temp
;
782 } else if (ost
->video_pad
) {
783 final_picture
= &ost
->pict_tmp
;
785 for (i
= 0; i
< 3; i
++) {
786 uint8_t *optr
, *iptr
;
787 int shift
= (i
== 0) ?
0 : 1;
790 /* set offset to start writing image into */
791 optr
= final_picture
->data
[i
] + (((final_picture
->linesize
[i
] *
792 ost
->padtop
) + ost
->padleft
) >> shift
);
793 iptr
= formatted_picture
->data
[i
];
795 yheight
= (enc
->height
- ost
->padtop
- ost
->padbottom
) >> shift
;
796 for (y
= 0; y
< yheight
; y
++) {
797 /* copy unpadded image row into padded image row */
798 memcpy(optr
, iptr
, formatted_picture
->linesize
[i
]);
799 optr
+= final_picture
->linesize
[i
];
800 iptr
+= formatted_picture
->linesize
[i
];
804 fill_pad_region((AVPicture
*)final_picture
, enc
->height
, enc
->width
,
805 ost
->padtop
, ost
->padbottom
, ost
->padleft
, ost
->padright
,
808 if (enc
->pix_fmt
!= PIX_FMT_YUV420P
) {
812 /* create temporary picture */
813 size
= avpicture_get_size(enc
->pix_fmt
, enc
->width
, enc
->height
);
814 buf
= av_malloc(size
);
817 final_picture
= &picture_format_temp
;
818 avpicture_fill((AVPicture
*)final_picture
, buf
, enc
->pix_fmt
, enc
->width
, enc
->height
);
820 if (img_convert((AVPicture
*)final_picture
, enc
->pix_fmt
,
821 (AVPicture
*)&ost
->pict_tmp
, PIX_FMT_YUV420P
,
822 enc
->width
, enc
->height
) < 0) {
825 fprintf(stderr
, "pixel format conversion not handled\n");
831 final_picture
= formatted_picture
;
833 /* duplicates frame if needed */
834 for(i
=0;i
<nb_frames
;i
++) {
836 av_init_packet(&pkt
);
837 pkt
.stream_index
= ost
->index
;
839 if (s
->oformat
->flags
& AVFMT_RAWPICTURE
) {
840 /* raw pictures are written as AVPicture structure to
841 avoid any copies. We support temorarily the older
843 AVFrame
* old_frame
= enc
->coded_frame
;
844 enc
->coded_frame
= dec
->coded_frame
; //FIXME/XXX remove this hack
845 pkt
.data
= (uint8_t *)final_picture
;
846 pkt
.size
= sizeof(AVPicture
);
848 pkt
.pts
= dec
->coded_frame
->pts
;
849 if(dec
->coded_frame
&& dec
->coded_frame
->key_frame
)
850 pkt
.flags
|= PKT_FLAG_KEY
;
852 av_interleaved_write_frame(s
, &pkt
);
853 enc
->coded_frame
= old_frame
;
857 big_picture
= *final_picture
;
858 /* better than nothing: use input picture interlaced
860 big_picture
.interlaced_frame
= in_picture
->interlaced_frame
;
861 if(do_interlace_me
|| do_interlace_dct
){
862 if(top_field_first
== -1)
863 big_picture
.top_field_first
= in_picture
->top_field_first
;
865 big_picture
.top_field_first
= top_field_first
;
868 /* handles sameq here. This is not correct because it may
869 not be a global option */
871 big_picture
.quality
= ist
->st
->quality
;
873 big_picture
.quality
= ost
->st
->quality
;
875 big_picture
.pict_type
= 0;
876 // big_picture.pts = AV_NOPTS_VALUE;
877 big_picture
.pts
= av_rescale(ost
->sync_opts
, AV_TIME_BASE
*(int64_t)enc
->frame_rate_base
, enc
->frame_rate
);
878 //av_log(NULL, AV_LOG_DEBUG, "%lld -> encoder\n", ost->sync_opts);
879 ret
= avcodec_encode_video(enc
,
880 bit_buffer
, VIDEO_BUFFER_SIZE
,
882 //enc->frame_number = enc->real_pict_num;
884 pkt
.data
= bit_buffer
;
887 pkt
.pts
= enc
->coded_frame
->pts
;
888 /*av_log(NULL, AV_LOG_DEBUG, "encoder -> %lld/%lld\n",
889 pkt.pts != AV_NOPTS_VALUE ? av_rescale(pkt.pts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1,
890 pkt.dts != AV_NOPTS_VALUE ? av_rescale(pkt.dts, enc->frame_rate, AV_TIME_BASE*(int64_t)enc->frame_rate_base) : -1);*/
892 if(enc
->coded_frame
&& enc
->coded_frame
->key_frame
)
893 pkt
.flags
|= PKT_FLAG_KEY
;
894 av_interleaved_write_frame(s
, &pkt
);
896 //fprintf(stderr,"\nFrame: %3d %3d size: %5d type: %d",
897 // enc->frame_number-1, enc->real_pict_num, ret,
899 /* if two pass, output log */
900 if (ost
->logfile
&& enc
->stats_out
) {
901 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
913 static double psnr(double d
){
914 if(d
==0) return INFINITY
;
915 return -10.0*log(d
)/log(10.0);
918 static void do_video_stats(AVFormatContext
*os
, AVOutputStream
*ost
,
921 static FILE *fvstats
=NULL
;
928 double ti1
, bitrate
, avg_bitrate
;
932 today
= localtime(&today2
);
933 sprintf(filename
, "vstats_%02d%02d%02d.log", today
->tm_hour
,
936 fvstats
= fopen(filename
,"w");
944 enc
= &ost
->st
->codec
;
945 if (enc
->codec_type
== CODEC_TYPE_VIDEO
) {
946 frame_number
= ost
->frame_number
;
947 fprintf(fvstats
, "frame= %5d q= %2.1f ", frame_number
, enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
948 if (enc
->flags
&CODEC_FLAG_PSNR
)
949 fprintf(fvstats
, "PSNR= %6.2f ", psnr(enc
->coded_frame
->error
[0]/(enc
->width
*enc
->height
*255.0*255.0)));
951 fprintf(fvstats
,"f_size= %6d ", frame_size
);
952 /* compute pts value */
953 ti1
= (double)ost
->sync_opts
*enc
->frame_rate_base
/ enc
->frame_rate
;
957 bitrate
= (double)(frame_size
* 8) * enc
->frame_rate
/ enc
->frame_rate_base
/ 1000.0;
958 avg_bitrate
= (double)(video_size
* 8) / ti1
/ 1000.0;
959 fprintf(fvstats
, "s_size= %8.0fkB time= %0.3f br= %7.1fkbits/s avg_br= %7.1fkbits/s ",
960 (double)video_size
/ 1024, ti1
, bitrate
, avg_bitrate
);
961 fprintf(fvstats
,"type= %c\n", av_get_pict_type_char(enc
->coded_frame
->pict_type
));
965 static void print_report(AVFormatContext
**output_files
,
966 AVOutputStream
**ost_table
, int nb_ostreams
,
971 AVFormatContext
*oc
, *os
;
974 int frame_number
, vid
, i
;
975 double bitrate
, ti1
, pts
;
976 static int64_t last_time
= -1;
978 if (!is_last_report
) {
980 /* display the report every 0.5 seconds */
981 cur_time
= av_gettime();
982 if (last_time
== -1) {
983 last_time
= cur_time
;
986 if ((cur_time
- last_time
) < 500000)
988 last_time
= cur_time
;
992 oc
= output_files
[0];
994 total_size
= url_ftell(&oc
->pb
);
999 for(i
=0;i
<nb_ostreams
;i
++) {
1001 os
= output_files
[ost
->file_index
];
1002 enc
= &ost
->st
->codec
;
1003 if (vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1004 sprintf(buf
+ strlen(buf
), "q=%2.1f ",
1005 enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
);
1007 if (!vid
&& enc
->codec_type
== CODEC_TYPE_VIDEO
) {
1008 frame_number
= ost
->frame_number
;
1009 sprintf(buf
+ strlen(buf
), "frame=%5d q=%2.1f ",
1010 frame_number
, enc
->coded_frame ? enc
->coded_frame
->quality
/(float)FF_QP2LAMBDA
: 0);
1012 sprintf(buf
+ strlen(buf
), "L");
1013 if (enc
->flags
&CODEC_FLAG_PSNR
){
1015 double error
, error_sum
=0;
1016 double scale
, scale_sum
=0;
1017 char type
[3]= {'Y','U','V'};
1018 sprintf(buf
+ strlen(buf
), "PSNR=");
1021 error
= enc
->error
[j
];
1022 scale
= enc
->width
*enc
->height
*255.0*255.0*frame_number
;
1024 error
= enc
->coded_frame
->error
[j
];
1025 scale
= enc
->width
*enc
->height
*255.0*255.0;
1030 sprintf(buf
+ strlen(buf
), "%c:%2.2f ", type
[j
], psnr(error
/scale
));
1032 sprintf(buf
+ strlen(buf
), "*:%2.2f ", psnr(error_sum
/scale_sum
));
1036 /* compute min output value */
1037 pts
= (double)ost
->st
->pts
.val
* ost
->st
->time_base
.num
/ ost
->st
->time_base
.den
;
1038 if ((pts
< ti1
) && (pts
> 0))
1044 if (verbose
|| is_last_report
) {
1045 bitrate
= (double)(total_size
* 8) / ti1
/ 1000.0;
1047 sprintf(buf
+ strlen(buf
),
1048 "size=%8.0fkB time=%0.1f bitrate=%6.1fkbits/s",
1049 (double)total_size
/ 1024, ti1
, bitrate
);
1052 sprintf(buf
+ strlen(buf
), " dup=%d drop=%d",
1053 nb_frames_dup
, nb_frames_drop
);
1056 fprintf(stderr
, "%s \r", buf
);
1061 if (is_last_report
&& verbose
>= 0){
1062 int64_t raw
= audio_size
+ video_size
+ extra_size
;
1063 fprintf(stderr
, "\n");
1064 fprintf(stderr
, "video:%1.0fkB audio:%1.0fkB global headers:%1.0fkB muxing overhead %f%%\n",
1068 100.0*(total_size
- raw
)/raw
1073 /* pkt = NULL means EOF (needed to flush decoder buffers) */
1074 static int output_packet(AVInputStream
*ist
, int ist_index
,
1075 AVOutputStream
**ost_table
, int nb_ostreams
,
1076 const AVPacket
*pkt
)
1078 AVFormatContext
*os
;
1079 AVOutputStream
*ost
;
1083 int data_size
, got_picture
;
1085 void *buffer_to_free
;
1088 ist
->pts
= ist
->next_pts
; // needed for last packet if vsync=0
1089 } else if (pkt
->dts
!= AV_NOPTS_VALUE
) { //FIXME seems redundant, as libavformat does this too
1090 ist
->next_pts
= ist
->pts
= pkt
->dts
;
1092 assert(ist
->pts
== ist
->next_pts
);
1106 /* decode the packet if needed */
1107 data_buf
= NULL
; /* fail safe */
1109 if (ist
->decoding_needed
) {
1110 switch(ist
->st
->codec
.codec_type
) {
1111 case CODEC_TYPE_AUDIO
:{
1112 /* XXX: could avoid copy if PCM 16 bits with same
1113 endianness as CPU */
1114 short samples
[pkt
&& pkt
->size
> AVCODEC_MAX_AUDIO_FRAME_SIZE
/2 ? pkt
->size
: AVCODEC_MAX_AUDIO_FRAME_SIZE
/2];
1115 ret
= avcodec_decode_audio(&ist
->st
->codec
, samples
, &data_size
,
1121 /* Some bug in mpeg audio decoder gives */
1122 /* data_size < 0, it seems they are overflows */
1123 if (data_size
<= 0) {
1124 /* no audio frame */
1127 data_buf
= (uint8_t *)samples
;
1128 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
/2 * data_size
) /
1129 (ist
->st
->codec
.sample_rate
* ist
->st
->codec
.channels
);
1131 case CODEC_TYPE_VIDEO
:
1132 data_size
= (ist
->st
->codec
.width
* ist
->st
->codec
.height
* 3) / 2;
1133 /* XXX: allocate picture correctly */
1134 avcodec_get_frame_defaults(&picture
);
1136 ret
= avcodec_decode_video(&ist
->st
->codec
,
1137 &picture
, &got_picture
, ptr
, len
);
1138 ist
->st
->quality
= picture
.quality
;
1142 /* no picture yet */
1143 goto discard_packet
;
1145 if (ist
->st
->codec
.frame_rate_base
!= 0) {
1146 ist
->next_pts
+= ((int64_t)AV_TIME_BASE
*
1147 ist
->st
->codec
.frame_rate_base
) /
1148 ist
->st
->codec
.frame_rate
;
1162 buffer_to_free
= NULL
;
1163 if (ist
->st
->codec
.codec_type
== CODEC_TYPE_VIDEO
) {
1164 pre_process_video_frame(ist
, (AVPicture
*)&picture
,
1168 /* frame rate emulation */
1169 if (ist
->st
->codec
.rate_emu
) {
1170 int64_t pts
= av_rescale((int64_t) ist
->frame
* ist
->st
->codec
.frame_rate_base
, 1000000, ist
->st
->codec
.frame_rate
);
1171 int64_t now
= av_gettime() - ist
->start
;
1179 /* mpeg PTS deordering : if it is a P or I frame, the PTS
1180 is the one of the next displayed one */
1181 /* XXX: add mpeg4 too ? */
1182 if (ist
->st
->codec
.codec_id
== CODEC_ID_MPEG1VIDEO
) {
1183 if (ist
->st
->codec
.pict_type
!= B_TYPE
) {
1185 tmp
= ist
->last_ip_pts
;
1186 ist
->last_ip_pts
= ist
->frac_pts
.val
;
1187 ist
->frac_pts
.val
= tmp
;
1191 /* if output time reached then transcode raw format,
1192 encode packets and output them */
1193 if (start_time
== 0 || ist
->pts
>= start_time
)
1194 for(i
=0;i
<nb_ostreams
;i
++) {
1198 if (ost
->source_index
== ist_index
) {
1199 os
= output_files
[ost
->file_index
];
1202 printf("%d: got pts=%0.3f %0.3f\n", i
,
1203 (double)pkt
->pts
/ AV_TIME_BASE
,
1204 ((double)ist
->pts
/ AV_TIME_BASE
) -
1205 ((double)ost
->st
->pts
.val
* ost
->st
->time_base
.num
/ ost
->st
->time_base
.den
));
1207 /* set the input output pts pairs */
1208 ost
->sync_ipts
= (double)(ist
->pts
+ input_files_ts_offset
[ist
->file_index
])/ AV_TIME_BASE
;
1210 if (ost
->encoding_needed
) {
1211 switch(ost
->st
->codec
.codec_type
) {
1212 case CODEC_TYPE_AUDIO
:
1213 do_audio_out(os
, ost
, ist
, data_buf
, data_size
);
1215 case CODEC_TYPE_VIDEO
:
1216 /* find an audio stream for synchro */
1219 AVOutputStream
*audio_sync
, *ost1
;
1221 for(i
=0;i
<nb_ostreams
;i
++) {
1222 ost1
= ost_table
[i
];
1223 if (ost1
->file_index
== ost
->file_index
&&
1224 ost1
->st
->codec
.codec_type
== CODEC_TYPE_AUDIO
) {
1230 do_video_out(os
, ost
, ist
, &picture
, &frame_size
);
1231 video_size
+= frame_size
;
1232 if (do_vstats
&& frame_size
)
1233 do_video_stats(os
, ost
, frame_size
);
1240 AVFrame avframe
; //FIXME/XXX remove this
1242 av_init_packet(&opkt
);
1244 /* no reencoding needed : output the packet directly */
1245 /* force the input stream PTS */
1247 avcodec_get_frame_defaults(&avframe
);
1248 ost
->st
->codec
.coded_frame
= &avframe
;
1249 avframe
.key_frame
= pkt
->flags
& PKT_FLAG_KEY
;
1251 if(ost
->st
->codec
.codec_type
== CODEC_TYPE_AUDIO
)
1252 audio_size
+= data_size
;
1253 else if (ost
->st
->codec
.codec_type
== CODEC_TYPE_VIDEO
)
1254 video_size
+= data_size
;
1256 opkt
.stream_index
= ost
->index
;
1257 opkt
.data
= data_buf
;
1258 opkt
.size
= data_size
;
1259 opkt
.pts
= pkt
->pts
+ input_files_ts_offset
[ist
->file_index
];
1260 opkt
.dts
= pkt
->dts
+ input_files_ts_offset
[ist
->file_index
];
1261 opkt
.flags
= pkt
->flags
;
1263 av_interleaved_write_frame(os
, &opkt
);
1264 ost
->st
->codec
.frame_number
++;
1265 ost
->frame_number
++;
1269 av_free(buffer_to_free
);
1275 for(i
=0;i
<nb_ostreams
;i
++) {
1277 if (ost
->source_index
== ist_index
) {
1278 AVCodecContext
*enc
= &ost
->st
->codec
;
1279 os
= output_files
[ost
->file_index
];
1281 if(ost
->st
->codec
.codec_type
== CODEC_TYPE_AUDIO
&& enc
->frame_size
<=1)
1283 if(ost
->st
->codec
.codec_type
== CODEC_TYPE_VIDEO
&& (os
->oformat
->flags
& AVFMT_RAWPICTURE
))
1286 if (ost
->encoding_needed
) {
1289 av_init_packet(&pkt
);
1290 pkt
.stream_index
= ost
->index
;
1292 switch(ost
->st
->codec
.codec_type
) {
1293 case CODEC_TYPE_AUDIO
:
1294 ret
= avcodec_encode_audio(enc
, bit_buffer
, VIDEO_BUFFER_SIZE
, NULL
);
1296 pkt
.flags
|= PKT_FLAG_KEY
;
1298 case CODEC_TYPE_VIDEO
:
1299 ret
= avcodec_encode_video(enc
, bit_buffer
, VIDEO_BUFFER_SIZE
, NULL
);
1301 if(enc
->coded_frame
&& enc
->coded_frame
->key_frame
)
1302 pkt
.flags
|= PKT_FLAG_KEY
;
1303 if (ost
->logfile
&& enc
->stats_out
) {
1304 fprintf(ost
->logfile
, "%s", enc
->stats_out
);
1313 pkt
.data
= bit_buffer
;
1315 if(enc
->coded_frame
)
1316 pkt
.pts
= enc
->coded_frame
->pts
;
1317 av_interleaved_write_frame(os
, &pkt
);
1331 * The following code is the main loop of the file converter
1333 static int av_encode(AVFormatContext
**output_files
,
1334 int nb_output_files
,
1335 AVFormatContext
**input_files
,
1337 AVStreamMap
*stream_maps
, int nb_stream_maps
)
1339 int ret
, i
, j
, k
, n
, nb_istreams
= 0, nb_ostreams
= 0;
1340 AVFormatContext
*is
, *os
;
1341 AVCodecContext
*codec
, *icodec
;
1342 AVOutputStream
*ost
, **ost_table
= NULL
;
1343 AVInputStream
*ist
, **ist_table
= NULL
;
1344 AVInputFile
*file_table
;
1345 AVFormatContext
*stream_no_data
;
1348 file_table
= (AVInputFile
*) av_mallocz(nb_input_files
* sizeof(AVInputFile
));
1353 bit_buffer
= av_malloc(VIDEO_BUFFER_SIZE
);
1357 /* input stream init */
1359 for(i
=0;i
<nb_input_files
;i
++) {
1360 is
= input_files
[i
];
1361 file_table
[i
].ist_index
= j
;
1362 file_table
[i
].nb_streams
= is
->nb_streams
;
1363 j
+= is
->nb_streams
;
1367 ist_table
= av_mallocz(nb_istreams
* sizeof(AVInputStream
*));
1371 for(i
=0;i
<nb_istreams
;i
++) {
1372 ist
= av_mallocz(sizeof(AVInputStream
));
1378 for(i
=0;i
<nb_input_files
;i
++) {
1379 is
= input_files
[i
];
1380 for(k
=0;k
<is
->nb_streams
;k
++) {
1381 ist
= ist_table
[j
++];
1382 ist
->st
= is
->streams
[k
];
1383 ist
->file_index
= i
;
1385 ist
->discard
= 1; /* the stream is discarded by default
1388 if (ist
->st
->codec
.rate_emu
) {
1389 ist
->start
= av_gettime();
1395 /* output stream init */
1397 for(i
=0;i
<nb_output_files
;i
++) {
1398 os
= output_files
[i
];
1399 nb_ostreams
+= os
->nb_streams
;
1401 if (nb_stream_maps
> 0 && nb_stream_maps
!= nb_ostreams
) {
1402 fprintf(stderr
, "Number of stream maps must match number of output streams\n");
1406 /* Sanity check the mapping args -- do the input files & streams exist? */
1407 for(i
=0;i
<nb_stream_maps
;i
++) {
1408 int fi
= stream_maps
[i
].file_index
;
1409 int si
= stream_maps
[i
].stream_index
;
1411 if (fi
< 0 || fi
> nb_input_files
- 1 ||
1412 si
< 0 || si
> file_table
[fi
].nb_streams
- 1) {
1413 fprintf(stderr
,"Could not find input stream #%d.%d\n", fi
, si
);
1418 ost_table
= av_mallocz(sizeof(AVOutputStream
*) * nb_ostreams
);
1421 for(i
=0;i
<nb_ostreams
;i
++) {
1422 ost
= av_mallocz(sizeof(AVOutputStream
));
1429 for(k
=0;k
<nb_output_files
;k
++) {
1430 os
= output_files
[k
];
1431 for(i
=0;i
<os
->nb_streams
;i
++) {
1433 ost
= ost_table
[n
++];
1434 ost
->file_index
= k
;
1436 ost
->st
= os
->streams
[i
];
1437 if (nb_stream_maps
> 0) {
1438 ost
->source_index
= file_table
[stream_maps
[n
-1].file_index
].ist_index
+
1439 stream_maps
[n
-1].stream_index
;
1441 /* Sanity check that the stream types match */
1442 if (ist_table
[ost
->source_index
]->st
->codec
.codec_type
!= ost
->st
->codec
.codec_type
) {
1443 fprintf(stderr
, "Codec type mismatch for mapping #%d.%d -> #%d.%d\n",
1444 stream_maps
[n
-1].file_index
, stream_maps
[n
-1].stream_index
,
1445 ost
->file_index
, ost
->index
);
1450 /* get corresponding input stream index : we select the first one with the right type */
1452 for(j
=0;j
<nb_istreams
;j
++) {
1455 ist
->st
->codec
.codec_type
== ost
->st
->codec
.codec_type
) {
1456 ost
->source_index
= j
;
1462 /* try again and reuse existing stream */
1463 for(j
=0;j
<nb_istreams
;j
++) {
1465 if (ist
->st
->codec
.codec_type
== ost
->st
->codec
.codec_type
) {
1466 ost
->source_index
= j
;
1471 fprintf(stderr
, "Could not find input stream matching output stream #%d.%d\n",
1472 ost
->file_index
, ost
->index
);
1477 ist
= ist_table
[ost
->source_index
];
1482 /* for each output stream, we compute the right encoding parameters */
1483 for(i
=0;i
<nb_ostreams
;i
++) {
1485 ist
= ist_table
[ost
->source_index
];
1487 codec
= &ost
->st
->codec
;
1488 icodec
= &ist
->st
->codec
;
1490 if (ost
->st
->stream_copy
) {
1491 /* if stream_copy is selected, no need to decode or encode */
1492 codec
->codec_id
= icodec
->codec_id
;
1493 codec
->codec_type
= icodec
->codec_type
;
1494 codec
->codec_tag
= icodec
->codec_tag
;
1495 codec
->bit_rate
= icodec
->bit_rate
;
1496 switch(codec
->codec_type
) {
1497 case CODEC_TYPE_AUDIO
:
1498 codec
->sample_rate
= icodec
->sample_rate
;
1499 codec
->channels
= icodec
->channels
;
1500 codec
->frame_size
= icodec
->frame_size
;
1502 case CODEC_TYPE_VIDEO
:
1503 codec
->frame_rate
= icodec
->frame_rate
;
1504 codec
->frame_rate_base
= icodec
->frame_rate_base
;
1505 codec
->width
= icodec
->width
;
1506 codec
->height
= icodec
->height
;
1512 switch(codec
->codec_type
) {
1513 case CODEC_TYPE_AUDIO
:
1514 if (fifo_init(&ost
->fifo
, 2 * MAX_AUDIO_PACKET_SIZE
))
1517 if (codec
->channels
== icodec
->channels
&&
1518 codec
->sample_rate
== icodec
->sample_rate
) {
1519 ost
->audio_resample
= 0;
1521 if (codec
->channels
!= icodec
->channels
&&
1522 (icodec
->codec_id
== CODEC_ID_AC3
||
1523 icodec
->codec_id
== CODEC_ID_DTS
)) {
1524 /* Special case for 5:1 AC3 and DTS input */
1525 /* and mono or stereo output */
1526 /* Request specific number of channels */
1527 icodec
->channels
= codec
->channels
;
1528 if (codec
->sample_rate
== icodec
->sample_rate
)
1529 ost
->audio_resample
= 0;
1531 ost
->audio_resample
= 1;
1534 ost
->audio_resample
= 1;
1537 if(audio_sync_method
>1)
1538 ost
->audio_resample
= 1;
1540 if(ost
->audio_resample
){
1541 ost
->resample
= audio_resample_init(codec
->channels
, icodec
->channels
,
1542 codec
->sample_rate
, icodec
->sample_rate
);
1544 printf("Can't resample. Aborting.\n");
1548 ist
->decoding_needed
= 1;
1549 ost
->encoding_needed
= 1;
1551 case CODEC_TYPE_VIDEO
:
1552 if (codec
->width
== icodec
->width
&&
1553 codec
->height
== icodec
->height
&&
1554 frame_topBand
== 0 &&
1555 frame_bottomBand
== 0 &&
1556 frame_leftBand
== 0 &&
1557 frame_rightBand
== 0 &&
1558 frame_padtop
== 0 &&
1559 frame_padbottom
== 0 &&
1560 frame_padleft
== 0 &&
1561 frame_padright
== 0)
1563 ost
->video_resample
= 0;
1564 ost
->video_crop
= 0;
1566 } else if ((codec
->width
== icodec
->width
-
1567 (frame_leftBand
+ frame_rightBand
)) &&
1568 (codec
->height
== icodec
->height
-
1569 (frame_topBand
+ frame_bottomBand
)))
1571 ost
->video_resample
= 0;
1572 ost
->video_crop
= 1;
1573 ost
->topBand
= frame_topBand
;
1574 ost
->leftBand
= frame_leftBand
;
1575 } else if ((codec
->width
== icodec
->width
+
1576 (frame_padleft
+ frame_padright
)) &&
1577 (codec
->height
== icodec
->height
+
1578 (frame_padtop
+ frame_padbottom
))) {
1579 ost
->video_resample
= 0;
1580 ost
->video_crop
= 0;
1582 ost
->padtop
= frame_padtop
;
1583 ost
->padleft
= frame_padleft
;
1584 ost
->padbottom
= frame_padbottom
;
1585 ost
->padright
= frame_padright
;
1586 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1587 if( avpicture_alloc( (AVPicture
*)&ost
->pict_tmp
, PIX_FMT_YUV420P
,
1588 codec
->width
, codec
->height
) )
1591 ost
->video_resample
= 1;
1592 ost
->video_crop
= 0; // cropping is handled as part of resample
1593 avcodec_get_frame_defaults(&ost
->pict_tmp
);
1594 if( avpicture_alloc( (AVPicture
*)&ost
->pict_tmp
, PIX_FMT_YUV420P
,
1595 codec
->width
, codec
->height
) )
1598 ost
->img_resample_ctx
= img_resample_full_init(
1599 ost
->st
->codec
.width
, ost
->st
->codec
.height
,
1600 ist
->st
->codec
.width
, ist
->st
->codec
.height
,
1601 frame_topBand
, frame_bottomBand
,
1602 frame_leftBand
, frame_rightBand
,
1603 frame_padtop
, frame_padbottom
,
1604 frame_padleft
, frame_padright
);
1606 ost
->padtop
= frame_padtop
;
1607 ost
->padleft
= frame_padleft
;
1608 ost
->padbottom
= frame_padbottom
;
1609 ost
->padright
= frame_padright
;
1612 ost
->encoding_needed
= 1;
1613 ist
->decoding_needed
= 1;
1619 if (ost
->encoding_needed
&&
1620 (codec
->flags
& (CODEC_FLAG_PASS1
| CODEC_FLAG_PASS2
))) {
1621 char logfilename
[1024];
1626 snprintf(logfilename
, sizeof(logfilename
), "%s-%d.log",
1628 pass_logfilename
: DEFAULT_PASS_LOGFILENAME
, i
);
1629 if (codec
->flags
& CODEC_FLAG_PASS1
) {
1630 f
= fopen(logfilename
, "w");
1632 perror(logfilename
);
1637 /* read the log file */
1638 f
= fopen(logfilename
, "r");
1640 perror(logfilename
);
1643 fseek(f
, 0, SEEK_END
);
1645 fseek(f
, 0, SEEK_SET
);
1646 logbuffer
= av_malloc(size
+ 1);
1648 fprintf(stderr
, "Could not allocate log buffer\n");
1651 size
= fread(logbuffer
, 1, size
, f
);
1653 logbuffer
[size
] = '\0';
1654 codec
->stats_in
= logbuffer
;
1660 /* dump the file output parameters - cannot be done before in case
1662 for(i
=0;i
<nb_output_files
;i
++) {
1663 dump_format(output_files
[i
], i
, output_files
[i
]->filename
, 1);
1666 /* dump the stream mapping */
1668 fprintf(stderr
, "Stream mapping:\n");
1669 for(i
=0;i
<nb_ostreams
;i
++) {
1671 fprintf(stderr
, " Stream #%d.%d -> #%d.%d\n",
1672 ist_table
[ost
->source_index
]->file_index
,
1673 ist_table
[ost
->source_index
]->index
,
1679 /* open each encoder */
1680 for(i
=0;i
<nb_ostreams
;i
++) {
1682 if (ost
->encoding_needed
) {
1684 codec
= avcodec_find_encoder(ost
->st
->codec
.codec_id
);
1686 fprintf(stderr
, "Unsupported codec for output stream #%d.%d\n",
1687 ost
->file_index
, ost
->index
);
1690 if (avcodec_open(&ost
->st
->codec
, codec
) < 0) {
1691 fprintf(stderr
, "Error while opening codec for stream #%d.%d - maybe incorrect parameters such as bit_rate, rate, width or height\n",
1692 ost
->file_index
, ost
->index
);
1695 extra_size
+= ost
->st
->codec
.extradata_size
;
1699 /* open each decoder */
1700 for(i
=0;i
<nb_istreams
;i
++) {
1702 if (ist
->decoding_needed
) {
1704 codec
= avcodec_find_decoder(ist
->st
->codec
.codec_id
);
1706 fprintf(stderr
, "Unsupported codec (id=%d) for input stream #%d.%d\n",
1707 ist
->st
->codec
.codec_id
, ist
->file_index
, ist
->index
);
1710 if (avcodec_open(&ist
->st
->codec
, codec
) < 0) {
1711 fprintf(stderr
, "Error while opening codec for input stream #%d.%d\n",
1712 ist
->file_index
, ist
->index
);
1715 //if (ist->st->codec.codec_type == CODEC_TYPE_VIDEO)
1716 // ist->st->codec.flags |= CODEC_FLAG_REPEAT_FIELD;
1721 for(i
=0;i
<nb_istreams
;i
++) {
1723 is
= input_files
[ist
->file_index
];
1725 ist
->next_pts
= ist
->st
->start_time
;
1726 if(ist
->next_pts
== AV_NOPTS_VALUE
)
1731 /* compute buffer size max (should use a complete heuristic) */
1732 for(i
=0;i
<nb_input_files
;i
++) {
1733 file_table
[i
].buffer_size_max
= 2048;
1736 /* set meta data information from input file if required */
1737 for (i
=0;i
<nb_meta_data_maps
;i
++) {
1738 AVFormatContext
*out_file
;
1739 AVFormatContext
*in_file
;
1741 int out_file_index
= meta_data_maps
[i
].out_file
;
1742 int in_file_index
= meta_data_maps
[i
].in_file
;
1743 if ( out_file_index
< 0 || out_file_index
>= nb_output_files
) {
1744 fprintf(stderr
, "Invalid output file index %d map_meta_data(%d,%d)\n", out_file_index
, out_file_index
, in_file_index
);
1748 if ( in_file_index
< 0 || in_file_index
>= nb_input_files
) {
1749 fprintf(stderr
, "Invalid input file index %d map_meta_data(%d,%d)\n", in_file_index
, out_file_index
, in_file_index
);
1754 out_file
= output_files
[out_file_index
];
1755 in_file
= input_files
[in_file_index
];
1757 strcpy(out_file
->title
, in_file
->title
);
1758 strcpy(out_file
->author
, in_file
->author
);
1759 strcpy(out_file
->copyright
, in_file
->copyright
);
1760 strcpy(out_file
->comment
, in_file
->comment
);
1761 strcpy(out_file
->album
, in_file
->album
);
1762 out_file
->year
= in_file
->year
;
1763 out_file
->track
= in_file
->track
;
1764 strcpy(out_file
->genre
, in_file
->genre
);
1767 /* open files and write file headers */
1768 for(i
=0;i
<nb_output_files
;i
++) {
1769 os
= output_files
[i
];
1770 if (av_write_header(os
) < 0) {
1771 fprintf(stderr
, "Could not write header for output file #%d (incorrect codec parameters ?)\n", i
);
1777 #ifndef CONFIG_WIN32
1778 if ( !using_stdin
&& verbose
>= 0) {
1779 fprintf(stderr
, "Press [q] to stop encoding\n");
1780 url_set_interrupt_cb(decode_interrupt_cb
);
1788 for(; received_sigterm
== 0;) {
1789 int file_index
, ist_index
;
1797 /* if 'q' pressed, exits */
1801 /* read_key() returns 0 on EOF */
1807 /* select the stream that we must read now by looking at the
1808 smallest output pts */
1810 for(i
=0;i
<nb_ostreams
;i
++) {
1813 os
= output_files
[ost
->file_index
];
1814 ist
= ist_table
[ost
->source_index
];
1815 if(ost
->st
->codec
.codec_type
== CODEC_TYPE_VIDEO
)
1816 opts
= (double)ost
->sync_opts
* ost
->st
->codec
.frame_rate_base
/ ost
->st
->codec
.frame_rate
;
1818 opts
= (double)ost
->st
->pts
.val
* ost
->st
->time_base
.num
/ ost
->st
->time_base
.den
;
1819 ipts
= (double)ist
->pts
;
1820 if (!file_table
[ist
->file_index
].eof_reached
){
1821 if(ipts
< ipts_min
) {
1823 if(input_sync
) file_index
= ist
->file_index
;
1825 if(opts
< opts_min
) {
1827 if(!input_sync
) file_index
= ist
->file_index
;
1831 /* if none, if is finished */
1832 if (file_index
< 0) {
1836 /* finish if recording time exhausted */
1837 if (recording_time
> 0 && opts_min
>= (recording_time
/ 1000000.0))
1840 /* read a frame from it and output it in the fifo */
1841 is
= input_files
[file_index
];
1842 if (av_read_frame(is
, &pkt
) < 0) {
1843 file_table
[file_index
].eof_reached
= 1;
1848 stream_no_data
= is
;
1853 av_pkt_dump(stdout
, &pkt
, do_hex_dump
);
1855 /* the following test is needed in case new streams appear
1856 dynamically in stream : we ignore them */
1857 if (pkt
.stream_index
>= file_table
[file_index
].nb_streams
)
1858 goto discard_packet
;
1859 ist_index
= file_table
[file_index
].ist_index
+ pkt
.stream_index
;
1860 ist
= ist_table
[ist_index
];
1862 goto discard_packet
;
1864 // 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);
1865 if (pkt
.dts
!= AV_NOPTS_VALUE
) {
1866 int64_t delta
= pkt
.dts
- ist
->next_pts
;
1867 if(ABS(delta
) > 10LL*AV_TIME_BASE
&& !copy_ts
){
1868 input_files_ts_offset
[ist
->file_index
]-= delta
;
1870 fprintf(stderr
, "timestamp discontinuity %lld, new offset= %lld\n", delta
, input_files_ts_offset
[ist
->file_index
]);
1871 for(i
=0; i
<file_table
[file_index
].nb_streams
; i
++){
1872 int index
= file_table
[file_index
].ist_index
+ i
;
1873 ist_table
[index
]->next_pts
+= delta
;
1874 ist_table
[index
]->is_start
=1;
1879 //fprintf(stderr,"read #%d.%d size=%d\n", ist->file_index, ist->index, pkt.size);
1880 if (output_packet(ist
, ist_index
, ost_table
, nb_ostreams
, &pkt
) < 0) {
1883 fprintf(stderr
, "Error while decoding stream #%d.%d\n",
1884 ist
->file_index
, ist
->index
);
1886 av_free_packet(&pkt
);
1891 av_free_packet(&pkt
);
1893 /* dump report by using the output first video and audio streams */
1894 print_report(output_files
, ost_table
, nb_ostreams
, 0);
1897 /* at the end of stream, we must flush the decoder buffers */
1898 for(i
=0;i
<nb_istreams
;i
++) {
1900 if (ist
->decoding_needed
) {
1901 output_packet(ist
, i
, ost_table
, nb_ostreams
, NULL
);
1907 /* write the trailer if needed and close file */
1908 for(i
=0;i
<nb_output_files
;i
++) {
1909 os
= output_files
[i
];
1910 av_write_trailer(os
);
1913 /* dump report by using the first video and audio streams */
1914 print_report(output_files
, ost_table
, nb_ostreams
, 1);
1916 /* close each encoder */
1917 for(i
=0;i
<nb_ostreams
;i
++) {
1919 if (ost
->encoding_needed
) {
1920 av_freep(&ost
->st
->codec
.stats_in
);
1921 avcodec_close(&ost
->st
->codec
);
1925 /* close each decoder */
1926 for(i
=0;i
<nb_istreams
;i
++) {
1928 if (ist
->decoding_needed
) {
1929 avcodec_close(&ist
->st
->codec
);
1937 av_free(file_table
);
1940 for(i
=0;i
<nb_istreams
;i
++) {
1947 for(i
=0;i
<nb_ostreams
;i
++) {
1951 fclose(ost
->logfile
);
1952 ost
->logfile
= NULL
;
1954 fifo_free(&ost
->fifo
); /* works even if fifo is not
1955 initialized but set to zero */
1956 av_free(ost
->pict_tmp
.data
[0]);
1957 if (ost
->video_resample
)
1958 img_resample_close(ost
->img_resample_ctx
);
1959 if (ost
->audio_resample
)
1960 audio_resample_close(ost
->resample
);
1973 int file_read(const char *filename
)
1976 unsigned char buffer
[1024];
1979 if (url_open(&h
, filename
, O_RDONLY
) < 0) {
1980 printf("could not open '%s'\n", filename
);
1984 len
= url_read(h
, buffer
, sizeof(buffer
));
1987 for(i
=0;i
<len
;i
++) putchar(buffer
[i
]);
1994 static void opt_image_format(const char *arg
)
1998 for(f
= first_image_format
; f
!= NULL
; f
= f
->next
) {
1999 if (!strcmp(arg
, f
->name
))
2003 fprintf(stderr
, "Unknown image format: '%s'\n", arg
);
2009 static void opt_format(const char *arg
)
2011 /* compatibility stuff for pgmyuv */
2012 if (!strcmp(arg
, "pgmyuv")) {
2013 opt_image_format(arg
);
2017 file_iformat
= av_find_input_format(arg
);
2018 file_oformat
= guess_format(arg
, NULL
, NULL
);
2019 if (!file_iformat
&& !file_oformat
) {
2020 fprintf(stderr
, "Unknown input or output format: %s\n", arg
);
2025 static void opt_video_bitrate(const char *arg
)
2027 video_bit_rate
= atoi(arg
) * 1000;
2030 static void opt_video_bitrate_tolerance(const char *arg
)
2032 video_bit_rate_tolerance
= atoi(arg
) * 1000;
2035 static void opt_video_bitrate_max(const char *arg
)
2037 video_rc_max_rate
= atoi(arg
) * 1000;
2040 static void opt_video_bitrate_min(const char *arg
)
2042 video_rc_min_rate
= atoi(arg
) * 1000;
2045 static void opt_video_buffer_size(const char *arg
)
2047 video_rc_buffer_size
= atoi(arg
) * 8*1024;
2050 static void opt_video_rc_eq(char *arg
)
2055 static void opt_video_rc_override_string(char *arg
)
2057 video_rc_override_string
= arg
;
2061 static void opt_workaround_bugs(const char *arg
)
2063 workaround_bugs
= atoi(arg
);
2066 static void opt_dct_algo(const char *arg
)
2068 dct_algo
= atoi(arg
);
2071 static void opt_idct_algo(const char *arg
)
2073 idct_algo
= atoi(arg
);
2076 static void opt_me_threshold(const char *arg
)
2078 me_threshold
= atoi(arg
);
2081 static void opt_mb_threshold(const char *arg
)
2083 mb_threshold
= atoi(arg
);
2086 static void opt_error_resilience(const char *arg
)
2088 error_resilience
= atoi(arg
);
2091 static void opt_error_concealment(const char *arg
)
2093 error_concealment
= atoi(arg
);
2096 static void opt_debug(const char *arg
)
2101 static void opt_vismv(const char *arg
)
2103 debug_mv
= atoi(arg
);
2106 static void opt_verbose(const char *arg
)
2108 verbose
= atoi(arg
);
2109 av_log_set_level(atoi(arg
));
2112 static void opt_frame_rate(const char *arg
)
2114 if (parse_frame_rate(&frame_rate
, &frame_rate_base
, arg
) < 0) {
2115 fprintf(stderr
, "Incorrect frame rate\n");
2120 static void opt_frame_crop_top(const char *arg
)
2122 frame_topBand
= atoi(arg
);
2123 if (frame_topBand
< 0) {
2124 fprintf(stderr
, "Incorrect top crop size\n");
2127 if ((frame_topBand
% 2) != 0) {
2128 fprintf(stderr
, "Top crop size must be a multiple of 2\n");
2131 if ((frame_topBand
) >= frame_height
){
2132 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2135 frame_height
-= frame_topBand
;
2138 static void opt_frame_crop_bottom(const char *arg
)
2140 frame_bottomBand
= atoi(arg
);
2141 if (frame_bottomBand
< 0) {
2142 fprintf(stderr
, "Incorrect bottom crop size\n");
2145 if ((frame_bottomBand
% 2) != 0) {
2146 fprintf(stderr
, "Bottom crop size must be a multiple of 2\n");
2149 if ((frame_bottomBand
) >= frame_height
){
2150 fprintf(stderr
, "Vertical crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2153 frame_height
-= frame_bottomBand
;
2156 static void opt_frame_crop_left(const char *arg
)
2158 frame_leftBand
= atoi(arg
);
2159 if (frame_leftBand
< 0) {
2160 fprintf(stderr
, "Incorrect left crop size\n");
2163 if ((frame_leftBand
% 2) != 0) {
2164 fprintf(stderr
, "Left crop size must be a multiple of 2\n");
2167 if ((frame_leftBand
) >= frame_width
){
2168 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2171 frame_width
-= frame_leftBand
;
2174 static void opt_frame_crop_right(const char *arg
)
2176 frame_rightBand
= atoi(arg
);
2177 if (frame_rightBand
< 0) {
2178 fprintf(stderr
, "Incorrect right crop size\n");
2181 if ((frame_rightBand
% 2) != 0) {
2182 fprintf(stderr
, "Right crop size must be a multiple of 2\n");
2185 if ((frame_rightBand
) >= frame_width
){
2186 fprintf(stderr
, "Horizontal crop dimensions are outside the range of the original image.\nRemember to crop first and scale second.\n");
2189 frame_width
-= frame_rightBand
;
2192 static void opt_frame_size(const char *arg
)
2194 if (parse_image_size(&frame_width
, &frame_height
, arg
) < 0) {
2195 fprintf(stderr
, "Incorrect frame size\n");
2198 if ((frame_width
% 2) != 0 || (frame_height
% 2) != 0) {
2199 fprintf(stderr
, "Frame size must be a multiple of 2\n");
2205 #define SCALEBITS 10
2206 #define ONE_HALF (1 << (SCALEBITS - 1))
2207 #define FIX(x) ((int) ((x) * (1<<SCALEBITS) + 0.5))
2209 #define RGB_TO_Y(r, g, b) \
2210 ((FIX(0.29900) * (r) + FIX(0.58700) * (g) + \
2211 FIX(0.11400) * (b) + ONE_HALF) >> SCALEBITS)
2213 #define RGB_TO_U(r1, g1, b1, shift)\
2214 (((- FIX(0.16874) * r1 - FIX(0.33126) * g1 + \
2215 FIX(0.50000) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2217 #define RGB_TO_V(r1, g1, b1, shift)\
2218 (((FIX(0.50000) * r1 - FIX(0.41869) * g1 - \
2219 FIX(0.08131) * b1 + (ONE_HALF << shift) - 1) >> (SCALEBITS + shift)) + 128)
2221 static void opt_pad_color(const char *arg
) {
2222 /* Input is expected to be six hex digits similar to
2223 how colors are expressed in html tags (but without the #) */
2224 int rgb
= strtol(arg
, NULL
, 16);
2228 g
= ((rgb
>> 8) & 255);
2231 padcolor
[0] = RGB_TO_Y(r
,g
,b
);
2232 padcolor
[1] = RGB_TO_U(r
,g
,b
,0);
2233 padcolor
[2] = RGB_TO_V(r
,g
,b
,0);
2236 static void opt_frame_pad_top(const char *arg
)
2238 frame_padtop
= atoi(arg
);
2239 if (frame_padtop
< 0) {
2240 fprintf(stderr
, "Incorrect top pad size\n");
2243 if ((frame_padtop
% 2) != 0) {
2244 fprintf(stderr
, "Top pad size must be a multiple of 2\n");
2249 static void opt_frame_pad_bottom(const char *arg
)
2251 frame_padbottom
= atoi(arg
);
2252 if (frame_padbottom
< 0) {
2253 fprintf(stderr
, "Incorrect bottom pad size\n");
2256 if ((frame_padbottom
% 2) != 0) {
2257 fprintf(stderr
, "Bottom pad size must be a multiple of 2\n");
2263 static void opt_frame_pad_left(const char *arg
)
2265 frame_padleft
= atoi(arg
);
2266 if (frame_padleft
< 0) {
2267 fprintf(stderr
, "Incorrect left pad size\n");
2270 if ((frame_padleft
% 2) != 0) {
2271 fprintf(stderr
, "Left pad size must be a multiple of 2\n");
2277 static void opt_frame_pad_right(const char *arg
)
2279 frame_padright
= atoi(arg
);
2280 if (frame_padright
< 0) {
2281 fprintf(stderr
, "Incorrect right pad size\n");
2284 if ((frame_padright
% 2) != 0) {
2285 fprintf(stderr
, "Right pad size must be a multiple of 2\n");
2291 static void opt_frame_pix_fmt(const char *arg
)
2293 frame_pix_fmt
= avcodec_get_pix_fmt(arg
);
2296 static void opt_frame_aspect_ratio(const char *arg
)
2302 p
= strchr(arg
, ':');
2304 x
= strtol(arg
, (char **)&arg
, 10);
2306 y
= strtol(arg
+1, (char **)&arg
, 10);
2308 ar
= (double)x
/ (double)y
;
2310 ar
= strtod(arg
, (char **)&arg
);
2313 fprintf(stderr
, "Incorrect aspect ratio specification.\n");
2316 frame_aspect_ratio
= ar
;
2319 static void opt_gop_size(const char *arg
)
2321 gop_size
= atoi(arg
);
2324 static void opt_b_frames(const char *arg
)
2326 b_frames
= atoi(arg
);
2327 if (b_frames
> FF_MAX_B_FRAMES
) {
2328 fprintf(stderr
, "\nCannot have more than %d B frames, increase FF_MAX_B_FRAMES.\n", FF_MAX_B_FRAMES
);
2330 } else if (b_frames
< 1) {
2331 fprintf(stderr
, "\nNumber of B frames must be higher than 0\n");
2336 static void opt_mb_decision(const char *arg
)
2338 mb_decision
= atoi(arg
);
2341 static void opt_mb_cmp(const char *arg
)
2346 static void opt_ildct_cmp(const char *arg
)
2348 ildct_cmp
= atoi(arg
);
2351 static void opt_sub_cmp(const char *arg
)
2353 sub_cmp
= atoi(arg
);
2356 static void opt_cmp(const char *arg
)
2361 static void opt_pre_cmp(const char *arg
)
2363 pre_cmp
= atoi(arg
);
2366 static void opt_pre_me(const char *arg
)
2371 static void opt_lumi_mask(const char *arg
)
2373 lumi_mask
= atof(arg
);
2376 static void opt_dark_mask(const char *arg
)
2378 dark_mask
= atof(arg
);
2381 static void opt_scplx_mask(const char *arg
)
2383 scplx_mask
= atof(arg
);
2386 static void opt_tcplx_mask(const char *arg
)
2388 tcplx_mask
= atof(arg
);
2391 static void opt_p_mask(const char *arg
)
2396 static void opt_qscale(const char *arg
)
2398 video_qscale
= atof(arg
);
2399 if (video_qscale
< 0.01 ||
2400 video_qscale
> 255) {
2401 fprintf(stderr
, "qscale must be >= 0.01 and <= 255\n");
2406 static void opt_lmax(const char *arg
)
2408 video_lmax
= atof(arg
)*FF_QP2LAMBDA
;
2411 static void opt_lmin(const char *arg
)
2413 video_lmin
= atof(arg
)*FF_QP2LAMBDA
;
2416 static void opt_qmin(const char *arg
)
2418 video_qmin
= atoi(arg
);
2419 if (video_qmin
< 0 ||
2421 fprintf(stderr
, "qmin must be >= 1 and <= 31\n");
2426 static void opt_qmax(const char *arg
)
2428 video_qmax
= atoi(arg
);
2429 if (video_qmax
< 0 ||
2431 fprintf(stderr
, "qmax must be >= 1 and <= 31\n");
2436 static void opt_mb_qmin(const char *arg
)
2438 video_mb_qmin
= atoi(arg
);
2439 if (video_mb_qmin
< 0 ||
2440 video_mb_qmin
> 31) {
2441 fprintf(stderr
, "qmin must be >= 1 and <= 31\n");
2446 static void opt_mb_qmax(const char *arg
)
2448 video_mb_qmax
= atoi(arg
);
2449 if (video_mb_qmax
< 0 ||
2450 video_mb_qmax
> 31) {
2451 fprintf(stderr
, "qmax must be >= 1 and <= 31\n");
2456 static void opt_qdiff(const char *arg
)
2458 video_qdiff
= atoi(arg
);
2459 if (video_qdiff
< 0 ||
2461 fprintf(stderr
, "qdiff must be >= 1 and <= 31\n");
2466 static void opt_qblur(const char *arg
)
2468 video_qblur
= atof(arg
);
2471 static void opt_qcomp(const char *arg
)
2473 video_qcomp
= atof(arg
);
2476 static void opt_rc_initial_cplx(const char *arg
)
2478 video_rc_initial_cplx
= atof(arg
);
2480 static void opt_b_qfactor(const char *arg
)
2482 video_b_qfactor
= atof(arg
);
2484 static void opt_i_qfactor(const char *arg
)
2486 video_i_qfactor
= atof(arg
);
2488 static void opt_b_qoffset(const char *arg
)
2490 video_b_qoffset
= atof(arg
);
2492 static void opt_i_qoffset(const char *arg
)
2494 video_i_qoffset
= atof(arg
);
2497 static void opt_ibias(const char *arg
)
2499 video_intra_quant_bias
= atoi(arg
);
2501 static void opt_pbias(const char *arg
)
2503 video_inter_quant_bias
= atoi(arg
);
2506 static void opt_packet_size(const char *arg
)
2508 packet_size
= atoi(arg
);
2511 static void opt_error_rate(const char *arg
)
2513 error_rate
= atoi(arg
);
2516 static void opt_strict(const char *arg
)
2521 static void opt_top_field_first(const char *arg
)
2523 top_field_first
= atoi(arg
);
2526 static void opt_noise_reduction(const char *arg
)
2528 noise_reduction
= atoi(arg
);
2531 static void opt_qns(const char *arg
)
2536 static void opt_sc_threshold(const char *arg
)
2538 sc_threshold
= atoi(arg
);
2541 static void opt_me_range(const char *arg
)
2543 me_range
= atoi(arg
);
2546 static void opt_thread_count(const char *arg
)
2548 thread_count
= atoi(arg
);
2549 #if !defined(HAVE_PTHREADS) && !defined(HAVE_W32THREADS)
2551 fprintf(stderr
, "Warning: not compiled with thread support, using thread emulation\n");
2555 static void opt_audio_bitrate(const char *arg
)
2557 audio_bit_rate
= atoi(arg
) * 1000;
2560 static void opt_audio_rate(const char *arg
)
2562 audio_sample_rate
= atoi(arg
);
2565 static void opt_audio_channels(const char *arg
)
2567 audio_channels
= atoi(arg
);
2570 static void opt_video_device(const char *arg
)
2572 video_device
= av_strdup(arg
);
2575 static void opt_video_channel(const char *arg
)
2577 video_channel
= strtol(arg
, NULL
, 0);
2580 static void opt_video_standard(const char *arg
)
2582 video_standard
= av_strdup(arg
);
2585 static void opt_audio_device(const char *arg
)
2587 audio_device
= av_strdup(arg
);
2590 static void opt_dv1394(const char *arg
)
2592 video_grab_format
= "dv1394";
2593 audio_grab_format
= NULL
;
2596 static void opt_audio_codec(const char *arg
)
2600 if (!strcmp(arg
, "copy")) {
2601 audio_stream_copy
= 1;
2605 if (!strcmp(p
->name
, arg
) && p
->type
== CODEC_TYPE_AUDIO
)
2610 fprintf(stderr
, "Unknown audio codec '%s'\n", arg
);
2613 audio_codec_id
= p
->id
;
2618 static void add_frame_hooker(const char *arg
)
2623 char *args
= av_strdup(arg
);
2627 argv
[0] = strtok(args
, " ");
2628 while (argc
< 62 && (argv
[++argc
] = strtok(NULL
, " "))) {
2631 i
= frame_hook_add(argc
, argv
);
2634 fprintf(stderr
, "Failed to add video hook function: %s\n", arg
);
2639 const char *motion_str
[] = {
2649 static void opt_motion_estimation(const char *arg
)
2655 fprintf(stderr
, "Unknown motion estimation method '%s'\n", arg
);
2658 if (!strcmp(*p
, arg
))
2662 me_method
= (p
- motion_str
) + 1;
2665 static void opt_video_codec(const char *arg
)
2669 if (!strcmp(arg
, "copy")) {
2670 video_stream_copy
= 1;
2674 if (!strcmp(p
->name
, arg
) && p
->type
== CODEC_TYPE_VIDEO
)
2679 fprintf(stderr
, "Unknown video codec '%s'\n", arg
);
2682 video_codec_id
= p
->id
;
2687 static void opt_map(const char *arg
)
2693 m
= &stream_maps
[nb_stream_maps
++];
2695 m
->file_index
= strtol(arg
, (char **)&p
, 0);
2699 m
->stream_index
= strtol(p
, (char **)&p
, 0);
2702 static void opt_map_meta_data(const char *arg
)
2708 m
= &meta_data_maps
[nb_meta_data_maps
++];
2710 m
->out_file
= strtol(arg
, (char **)&p
, 0);
2714 m
->in_file
= strtol(p
, (char **)&p
, 0);
2717 static void opt_recording_time(const char *arg
)
2719 recording_time
= parse_date(arg
, 1);
2722 static void opt_start_time(const char *arg
)
2724 start_time
= parse_date(arg
, 1);
2727 static void opt_rec_timestamp(const char *arg
)
2729 rec_timestamp
= parse_date(arg
, 0) / 1000000;
2732 static void opt_input_ts_offset(const char *arg
)
2734 input_ts_offset
= parse_date(arg
, 1);
2737 static void opt_input_file(const char *filename
)
2739 AVFormatContext
*ic
;
2740 AVFormatParameters params
, *ap
= ¶ms
;
2741 int err
, i
, ret
, rfps
, rfps_base
;
2744 if (!strcmp(filename
, "-"))
2747 using_stdin
|= !strcmp(filename
, "pipe:" ) ||
2748 !strcmp( filename
, "/dev/stdin" );
2750 /* get default parameters from command line */
2751 memset(ap
, 0, sizeof(*ap
));
2752 ap
->sample_rate
= audio_sample_rate
;
2753 ap
->channels
= audio_channels
;
2754 ap
->frame_rate
= frame_rate
;
2755 ap
->frame_rate_base
= frame_rate_base
;
2756 ap
->width
= frame_width
+ frame_padleft
+ frame_padright
;
2757 ap
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
2758 ap
->image_format
= image_format
;
2759 ap
->pix_fmt
= frame_pix_fmt
;
2761 /* open the input file with generic libav function */
2762 err
= av_open_input_file(&ic
, filename
, file_iformat
, 0, ap
);
2764 print_error(filename
, err
);
2768 /* If not enough info to get the stream parameters, we decode the
2769 first frames to get it. (used in mpeg case for example) */
2770 ret
= av_find_stream_info(ic
);
2771 if (ret
< 0 && verbose
>= 0) {
2772 fprintf(stderr
, "%s: could not find codec parameters\n", filename
);
2776 timestamp
= start_time
;
2777 /* add the stream start time */
2778 if (ic
->start_time
!= AV_NOPTS_VALUE
)
2779 timestamp
+= ic
->start_time
;
2781 /* if seeking requested, we execute it */
2782 if (start_time
!= 0) {
2783 ret
= av_seek_frame(ic
, -1, timestamp
);
2785 fprintf(stderr
, "%s: could not seek to position %0.3f\n",
2786 filename
, (double)timestamp
/ AV_TIME_BASE
);
2788 /* reset seek info */
2792 /* update the current parameters so that they match the one of the input stream */
2793 for(i
=0;i
<ic
->nb_streams
;i
++) {
2794 AVCodecContext
*enc
= &ic
->streams
[i
]->codec
;
2795 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2797 avcodec_thread_init(enc
, thread_count
);
2799 enc
->thread_count
= thread_count
;
2800 switch(enc
->codec_type
) {
2801 case CODEC_TYPE_AUDIO
:
2802 //fprintf(stderr, "\nInput Audio channels: %d", enc->channels);
2803 audio_channels
= enc
->channels
;
2804 audio_sample_rate
= enc
->sample_rate
;
2806 case CODEC_TYPE_VIDEO
:
2807 frame_height
= enc
->height
;
2808 frame_width
= enc
->width
;
2809 frame_aspect_ratio
= av_q2d(enc
->sample_aspect_ratio
) * enc
->width
/ enc
->height
;
2810 frame_pix_fmt
= enc
->pix_fmt
;
2811 rfps
= ic
->streams
[i
]->r_frame_rate
;
2812 rfps_base
= ic
->streams
[i
]->r_frame_rate_base
;
2813 enc
->workaround_bugs
= workaround_bugs
;
2814 enc
->error_resilience
= error_resilience
;
2815 enc
->error_concealment
= error_concealment
;
2816 enc
->idct_algo
= idct_algo
;
2818 enc
->debug_mv
= debug_mv
;
2820 enc
->flags
|= CODEC_FLAG_BITEXACT
;
2822 enc
->debug
|= FF_DEBUG_MV
;
2824 assert(enc
->frame_rate_base
== rfps_base
); // should be true for now
2825 if (enc
->frame_rate
!= rfps
) {
2828 fprintf(stderr
,"\nSeems that stream %d comes from film source: %2.2f->%2.2f\n",
2829 i
, (float)enc
->frame_rate
/ enc
->frame_rate_base
,
2831 (float)rfps
/ rfps_base
);
2833 /* update the current frame rate to match the stream frame rate */
2835 frame_rate_base
= rfps_base
;
2837 enc
->rate_emu
= rate_emu
;
2839 case CODEC_TYPE_DATA
:
2846 input_files
[nb_input_files
] = ic
;
2847 input_files_ts_offset
[nb_input_files
] = input_ts_offset
- (copy_ts ?
0 : timestamp
);
2848 /* dump the file content */
2850 dump_format(ic
, nb_input_files
, filename
, 0);
2853 file_iformat
= NULL
;
2854 file_oformat
= NULL
;
2855 image_format
= NULL
;
2860 static void check_audio_video_inputs(int *has_video_ptr
, int *has_audio_ptr
)
2862 int has_video
, has_audio
, i
, j
;
2863 AVFormatContext
*ic
;
2867 for(j
=0;j
<nb_input_files
;j
++) {
2868 ic
= input_files
[j
];
2869 for(i
=0;i
<ic
->nb_streams
;i
++) {
2870 AVCodecContext
*enc
= &ic
->streams
[i
]->codec
;
2871 switch(enc
->codec_type
) {
2872 case CODEC_TYPE_AUDIO
:
2875 case CODEC_TYPE_VIDEO
:
2878 case CODEC_TYPE_DATA
:
2885 *has_video_ptr
= has_video
;
2886 *has_audio_ptr
= has_audio
;
2889 static void opt_output_file(const char *filename
)
2892 AVFormatContext
*oc
;
2893 int use_video
, use_audio
, nb_streams
, input_has_video
, input_has_audio
;
2895 AVFormatParameters params
, *ap
= ¶ms
;
2897 if (!strcmp(filename
, "-"))
2900 oc
= av_alloc_format_context();
2902 if (!file_oformat
) {
2903 file_oformat
= guess_format(NULL
, filename
, NULL
);
2904 if (!file_oformat
) {
2905 fprintf(stderr
, "Unable for find a suitable output format for '%s'\n",
2911 oc
->oformat
= file_oformat
;
2913 if (!strcmp(file_oformat
->name
, "ffm") &&
2914 strstart(filename
, "http:", NULL
)) {
2915 /* special case for files sent to ffserver: we get the stream
2916 parameters from ffserver */
2917 if (read_ffserver_streams(oc
, filename
) < 0) {
2918 fprintf(stderr
, "Could not read stream parameters from '%s'\n", filename
);
2922 use_video
= file_oformat
->video_codec
!= CODEC_ID_NONE
|| video_stream_copy
;
2923 use_audio
= file_oformat
->audio_codec
!= CODEC_ID_NONE
|| audio_stream_copy
;
2925 /* disable if no corresponding type found and at least one
2927 if (nb_input_files
> 0) {
2928 check_audio_video_inputs(&input_has_video
, &input_has_audio
);
2929 if (!input_has_video
)
2931 if (!input_has_audio
)
2935 /* manual disable */
2936 if (audio_disable
) {
2939 if (video_disable
) {
2945 AVCodecContext
*video_enc
;
2947 st
= av_new_stream(oc
, nb_streams
++);
2949 fprintf(stderr
, "Could not alloc stream\n");
2952 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
2954 avcodec_thread_init(&st
->codec
, thread_count
);
2957 video_enc
= &st
->codec
;
2959 if(!strcmp(file_oformat
->name
, "mp4") || !strcmp(file_oformat
->name
, "mov") || !strcmp(file_oformat
->name
, "3gp"))
2960 video_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
2961 if (video_stream_copy
) {
2962 st
->stream_copy
= 1;
2963 video_enc
->codec_type
= CODEC_TYPE_VIDEO
;
2969 codec_id
= file_oformat
->video_codec
;
2970 if (video_codec_id
!= CODEC_ID_NONE
)
2971 codec_id
= video_codec_id
;
2973 video_enc
->codec_id
= codec_id
;
2974 codec
= avcodec_find_encoder(codec_id
);
2976 video_enc
->bit_rate
= video_bit_rate
;
2977 video_enc
->bit_rate_tolerance
= video_bit_rate_tolerance
;
2978 video_enc
->frame_rate
= frame_rate
;
2979 video_enc
->frame_rate_base
= frame_rate_base
;
2980 if(codec
&& codec
->supported_framerates
){
2981 const AVRational
*p
= codec
->supported_framerates
;
2982 AVRational req
= (AVRational
){frame_rate
, frame_rate_base
};
2983 const AVRational
*best
=NULL
;
2984 AVRational best_error
= (AVRational
){INT_MAX
, 1};
2985 for(; p
->den
!=0; p
++){
2986 AVRational error
= av_sub_q(req
, *p
);
2987 if(error
.num
<0) error
.num
*= -1;
2988 if(av_cmp_q(error
, best_error
) < 0){
2993 video_enc
->frame_rate
= best
->num
;
2994 video_enc
->frame_rate_base
= best
->den
;
2997 video_enc
->width
= frame_width
+ frame_padright
+ frame_padleft
;
2998 video_enc
->height
= frame_height
+ frame_padtop
+ frame_padbottom
;
2999 video_enc
->sample_aspect_ratio
= av_d2q(frame_aspect_ratio
*frame_height
/frame_width
, 255);
3000 video_enc
->pix_fmt
= frame_pix_fmt
;
3002 if(codec
&& codec
->pix_fmts
){
3003 const enum PixelFormat
*p
= codec
->pix_fmts
;
3005 if(*p
== video_enc
->pix_fmt
)
3009 video_enc
->pix_fmt
= codec
->pix_fmts
[0];
3013 video_enc
->gop_size
= gop_size
;
3015 video_enc
->gop_size
= 0;
3016 if (video_qscale
|| same_quality
) {
3017 video_enc
->flags
|= CODEC_FLAG_QSCALE
;
3018 st
->quality
= FF_QP2LAMBDA
* video_qscale
;
3022 video_enc
->intra_matrix
= intra_matrix
;
3024 video_enc
->inter_matrix
= inter_matrix
;
3027 video_enc
->flags
|= CODEC_FLAG_BITEXACT
;
3029 video_enc
->mb_decision
= mb_decision
;
3030 video_enc
->mb_cmp
= mb_cmp
;
3031 video_enc
->ildct_cmp
= ildct_cmp
;
3032 video_enc
->me_sub_cmp
= sub_cmp
;
3033 video_enc
->me_cmp
= cmp
;
3034 video_enc
->me_pre_cmp
= pre_cmp
;
3035 video_enc
->pre_me
= pre_me
;
3036 video_enc
->lumi_masking
= lumi_mask
;
3037 video_enc
->dark_masking
= dark_mask
;
3038 video_enc
->spatial_cplx_masking
= scplx_mask
;
3039 video_enc
->temporal_cplx_masking
= tcplx_mask
;
3040 video_enc
->p_masking
= p_mask
;
3041 video_enc
->quantizer_noise_shaping
= qns
;
3044 video_enc
->flags
|= CODEC_FLAG_H263P_UMV
;
3047 video_enc
->flags
|= CODEC_FLAG_H263P_SLICE_STRUCT
;
3050 video_enc
->flags
|= CODEC_FLAG_H263P_AIC
;
3053 video_enc
->flags
|= CODEC_FLAG_H263P_AIV
;
3056 video_enc
->flags
|= CODEC_FLAG_4MV
;
3059 video_enc
->flags
|= CODEC_FLAG_OBMC
;
3062 video_enc
->flags
|= CODEC_FLAG_LOOP_FILTER
;
3066 video_enc
->flags
|= CODEC_FLAG_PART
;
3069 video_enc
->flags
|= CODEC_FLAG_ALT_SCAN
;
3072 video_enc
->flags
|= CODEC_FLAG_TRELLIS_QUANT
;
3074 if (use_scan_offset
) {
3075 video_enc
->flags
|= CODEC_FLAG_SVCD_SCAN_OFFSET
;
3078 video_enc
->flags
|= CODEC_FLAG_CLOSED_GOP
;
3081 video_enc
->flags
|= CODEC_FLAG_QPEL
;
3084 video_enc
->flags
|= CODEC_FLAG_QP_RD
;
3087 video_enc
->flags
|= CODEC_FLAG_CBP_RD
;
3090 video_enc
->max_b_frames
= b_frames
;
3091 video_enc
->b_frame_strategy
= 0;
3092 video_enc
->b_quant_factor
= 2.0;
3094 if (do_interlace_dct
) {
3095 video_enc
->flags
|= CODEC_FLAG_INTERLACED_DCT
;
3097 if (do_interlace_me
) {
3098 video_enc
->flags
|= CODEC_FLAG_INTERLACED_ME
;
3100 video_enc
->qmin
= video_qmin
;
3101 video_enc
->qmax
= video_qmax
;
3102 video_enc
->lmin
= video_lmin
;
3103 video_enc
->lmax
= video_lmax
;
3104 video_enc
->mb_qmin
= video_mb_qmin
;
3105 video_enc
->mb_qmax
= video_mb_qmax
;
3106 video_enc
->max_qdiff
= video_qdiff
;
3107 video_enc
->qblur
= video_qblur
;
3108 video_enc
->qcompress
= video_qcomp
;
3109 video_enc
->rc_eq
= video_rc_eq
;
3110 video_enc
->debug
= debug
;
3111 video_enc
->debug_mv
= debug_mv
;
3112 video_enc
->thread_count
= thread_count
;
3113 p
= video_rc_override_string
;
3116 int e
=sscanf(p
, "%d,%d,%d", &start
, &end
, &q
);
3118 fprintf(stderr
, "error parsing rc_override\n");
3121 video_enc
->rc_override
=
3122 av_realloc(video_enc
->rc_override
,
3123 sizeof(RcOverride
)*(i
+1));
3124 video_enc
->rc_override
[i
].start_frame
= start
;
3125 video_enc
->rc_override
[i
].end_frame
= end
;
3127 video_enc
->rc_override
[i
].qscale
= q
;
3128 video_enc
->rc_override
[i
].quality_factor
= 1.0;
3131 video_enc
->rc_override
[i
].qscale
= 0;
3132 video_enc
->rc_override
[i
].quality_factor
= -q
/100.0;
3137 video_enc
->rc_override_count
=i
;
3139 video_enc
->rc_max_rate
= video_rc_max_rate
;
3140 video_enc
->rc_min_rate
= video_rc_min_rate
;
3141 video_enc
->rc_buffer_size
= video_rc_buffer_size
;
3142 video_enc
->rc_buffer_aggressivity
= video_rc_buffer_aggressivity
;
3143 video_enc
->rc_initial_cplx
= video_rc_initial_cplx
;
3144 video_enc
->i_quant_factor
= video_i_qfactor
;
3145 video_enc
->b_quant_factor
= video_b_qfactor
;
3146 video_enc
->i_quant_offset
= video_i_qoffset
;
3147 video_enc
->b_quant_offset
= video_b_qoffset
;
3148 video_enc
->intra_quant_bias
= video_intra_quant_bias
;
3149 video_enc
->inter_quant_bias
= video_inter_quant_bias
;
3150 video_enc
->dct_algo
= dct_algo
;
3151 video_enc
->idct_algo
= idct_algo
;
3152 video_enc
->me_threshold
= me_threshold
;
3153 video_enc
->mb_threshold
= mb_threshold
;
3154 video_enc
->intra_dc_precision
= intra_dc_precision
- 8;
3155 video_enc
->strict_std_compliance
= strict
;
3156 video_enc
->error_rate
= error_rate
;
3157 video_enc
->noise_reduction
= noise_reduction
;
3158 video_enc
->scenechange_threshold
= sc_threshold
;
3159 video_enc
->me_range
= me_range
;
3160 video_enc
->coder_type
= coder
;
3161 video_enc
->context_model
= context
;
3162 video_enc
->prediction_method
= predictor
;
3163 video_enc
->profile
= video_profile
;
3164 video_enc
->level
= video_level
;
3165 video_enc
->nsse_weight
= nsse_weight
;
3168 video_enc
->rtp_mode
= 1;
3169 video_enc
->rtp_payload_size
= packet_size
;
3173 video_enc
->flags
|= CODEC_FLAG_PSNR
;
3175 video_enc
->me_method
= me_method
;
3180 video_enc
->flags
|= CODEC_FLAG_PASS1
;
3182 video_enc
->flags
|= CODEC_FLAG_PASS2
;
3189 AVCodecContext
*audio_enc
;
3191 st
= av_new_stream(oc
, nb_streams
++);
3193 fprintf(stderr
, "Could not alloc stream\n");
3196 #if defined(HAVE_PTHREADS) || defined(HAVE_W32THREADS)
3198 avcodec_thread_init(&st
->codec
, thread_count
);
3201 audio_enc
= &st
->codec
;
3202 audio_enc
->codec_type
= CODEC_TYPE_AUDIO
;
3204 if(!strcmp(file_oformat
->name
, "mp4") || !strcmp(file_oformat
->name
, "mov") || !strcmp(file_oformat
->name
, "3gp"))
3205 audio_enc
->flags
|= CODEC_FLAG_GLOBAL_HEADER
;
3206 if (audio_stream_copy
) {
3207 st
->stream_copy
= 1;
3208 audio_enc
->channels
= audio_channels
;
3210 codec_id
= file_oformat
->audio_codec
;
3211 if (audio_codec_id
!= CODEC_ID_NONE
)
3212 codec_id
= audio_codec_id
;
3213 audio_enc
->codec_id
= codec_id
;
3215 audio_enc
->bit_rate
= audio_bit_rate
;
3216 audio_enc
->strict_std_compliance
= strict
;
3217 audio_enc
->thread_count
= thread_count
;
3218 /* For audio codecs other than AC3 or DTS we limit */
3219 /* the number of coded channels to stereo */
3220 if (audio_channels
> 2 && codec_id
!= CODEC_ID_AC3
3221 && codec_id
!= CODEC_ID_DTS
) {
3222 audio_enc
->channels
= 2;
3224 audio_enc
->channels
= audio_channels
;
3226 audio_enc
->sample_rate
= audio_sample_rate
;
3229 oc
->nb_streams
= nb_streams
;
3232 fprintf(stderr
, "No audio or video streams available\n");
3236 oc
->timestamp
= rec_timestamp
;
3239 pstrcpy(oc
->title
, sizeof(oc
->title
), str_title
);
3241 pstrcpy(oc
->author
, sizeof(oc
->author
), str_author
);
3243 pstrcpy(oc
->copyright
, sizeof(oc
->copyright
), str_copyright
);
3245 pstrcpy(oc
->comment
, sizeof(oc
->comment
), str_comment
);
3248 output_files
[nb_output_files
++] = oc
;
3250 strcpy(oc
->filename
, filename
);
3252 /* check filename in case of an image number is expected */
3253 if (oc
->oformat
->flags
& AVFMT_NEEDNUMBER
) {
3254 if (filename_number_test(oc
->filename
) < 0) {
3255 print_error(oc
->filename
, AVERROR_NUMEXPECTED
);
3260 if (!(oc
->oformat
->flags
& AVFMT_NOFILE
)) {
3261 /* test if it already exists to avoid loosing precious files */
3262 if (!file_overwrite
&&
3263 (strchr(filename
, ':') == NULL
||
3264 strstart(filename
, "file:", NULL
))) {
3265 if (url_exist(filename
)) {
3268 if ( !using_stdin
) {
3269 fprintf(stderr
,"File '%s' already exists. Overwrite ? [y/N] ", filename
);
3272 if (toupper(c
) != 'Y') {
3273 fprintf(stderr
, "Not overwriting - exiting\n");
3278 fprintf(stderr
,"File '%s' already exists. Exiting.\n", filename
);
3285 if (url_fopen(&oc
->pb
, filename
, URL_WRONLY
) < 0) {
3286 fprintf(stderr
, "Could not open '%s'\n", filename
);
3291 memset(ap
, 0, sizeof(*ap
));
3292 ap
->image_format
= image_format
;
3293 if (av_set_parameters(oc
, ap
) < 0) {
3294 fprintf(stderr
, "%s: Invalid encoding parameters\n",
3299 /* reset some options */
3300 file_oformat
= NULL
;
3301 file_iformat
= NULL
;
3302 image_format
= NULL
;
3305 audio_codec_id
= CODEC_ID_NONE
;
3306 video_codec_id
= CODEC_ID_NONE
;
3307 audio_stream_copy
= 0;
3308 video_stream_copy
= 0;
3311 /* prepare dummy protocols for grab */
3312 static void prepare_grab(void)
3314 int has_video
, has_audio
, i
, j
;
3315 AVFormatContext
*oc
;
3316 AVFormatContext
*ic
;
3317 AVFormatParameters vp1
, *vp
= &vp1
;