consumer_avformat.c: add support for an=1, vn=1, acodec=none, and vcodec=none options...
[melted] / src / modules / avformat / consumer_avformat.c
1 /*
2 * consumer_avformat.c -- an encoder based on avformat
3 * Copyright (C) 2003-2004 Ushodaya Enterprises Limited
4 * Author: Charles Yates <charles.yates@pandora.be>
5 * Much code borrowed from ffmpeg.c: Copyright (c) 2000-2003 Fabrice Bellard
6 *
7 * This library is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU Lesser General Public
9 * License as published by the Free Software Foundation; either
10 * version 2.1 of the License, or (at your option) any later version.
11 *
12 * This library is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15 * Lesser General Public License for more details.
16 *
17 * You should have received a copy of the GNU Lesser General Public
18 * License along with this library; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21
22 // mlt Header files
23 #include <framework/mlt_consumer.h>
24 #include <framework/mlt_frame.h>
25
26 // System header files
27 #include <stdio.h>
28 #include <stdlib.h>
29 #include <string.h>
30 #include <limits.h>
31 #include <pthread.h>
32 #include <sys/time.h>
33 #include <math.h>
34 #include <unistd.h>
35
36 // avformat header files
37 #include <avformat.h>
38 #ifdef SWSCALE
39 #include <swscale.h>
40 #endif
41 #include <opt.h>
42
43 //
44 // This structure should be extended and made globally available in mlt
45 //
46
47 typedef struct
48 {
49 int16_t *buffer;
50 int size;
51 int used;
52 double time;
53 int frequency;
54 int channels;
55 }
56 *sample_fifo, sample_fifo_s;
57
58 sample_fifo sample_fifo_init( int frequency, int channels )
59 {
60 sample_fifo this = calloc( 1, sizeof( sample_fifo_s ) );
61 this->frequency = frequency;
62 this->channels = channels;
63 return this;
64 }
65
66 // sample_fifo_clear and check are temporarily aborted (not working as intended)
67
68 void sample_fifo_clear( sample_fifo this, double time )
69 {
70 int words = ( float )( time - this->time ) * this->frequency * this->channels;
71 if ( ( int )( ( float )time * 100 ) < ( int )( ( float )this->time * 100 ) && this->used > words && words > 0 )
72 {
73 memmove( this->buffer, &this->buffer[ words ], ( this->used - words ) * sizeof( int16_t ) );
74 this->used -= words;
75 this->time = time;
76 }
77 else if ( ( int )( ( float )time * 100 ) != ( int )( ( float )this->time * 100 ) )
78 {
79 this->used = 0;
80 this->time = time;
81 }
82 }
83
84 void sample_fifo_check( sample_fifo this, double time )
85 {
86 if ( this->used == 0 )
87 {
88 if ( ( int )( ( float )time * 100 ) < ( int )( ( float )this->time * 100 ) )
89 this->time = time;
90 }
91 }
92
93 void sample_fifo_append( sample_fifo this, int16_t *samples, int count )
94 {
95 if ( ( this->size - this->used ) < count )
96 {
97 this->size += count * 5;
98 this->buffer = realloc( this->buffer, this->size * sizeof( int16_t ) );
99 }
100
101 memcpy( &this->buffer[ this->used ], samples, count * sizeof( int16_t ) );
102 this->used += count;
103 }
104
105 int sample_fifo_used( sample_fifo this )
106 {
107 return this->used;
108 }
109
110 int sample_fifo_fetch( sample_fifo this, int16_t *samples, int count )
111 {
112 if ( count > this->used )
113 count = this->used;
114
115 memcpy( samples, this->buffer, count * sizeof( int16_t ) );
116 this->used -= count;
117 memmove( this->buffer, &this->buffer[ count ], this->used * sizeof( int16_t ) );
118
119 this->time += ( double )count / this->channels / this->frequency;
120
121 return count;
122 }
123
124 void sample_fifo_close( sample_fifo this )
125 {
126 free( this->buffer );
127 free( this );
128 }
129
130 // Forward references.
131 static int consumer_start( mlt_consumer this );
132 static int consumer_stop( mlt_consumer this );
133 static int consumer_is_stopped( mlt_consumer this );
134 static void *consumer_thread( void *arg );
135 static void consumer_close( mlt_consumer this );
136
137 /** Initialise the dv consumer.
138 */
139
140 mlt_consumer consumer_avformat_init( mlt_profile profile, char *arg )
141 {
142 // Allocate the consumer
143 mlt_consumer this = mlt_consumer_new( profile );
144
145 // If memory allocated and initialises without error
146 if ( this != NULL )
147 {
148 // Get properties from the consumer
149 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
150
151 // Assign close callback
152 this->close = consumer_close;
153
154 // Interpret the argument
155 if ( arg != NULL )
156 mlt_properties_set( properties, "target", arg );
157
158 // sample and frame queue
159 mlt_properties_set_data( properties, "frame_queue", mlt_deque_init( ), 0, ( mlt_destructor )mlt_deque_close, NULL );
160
161 // Audio options not fully handled by AVOptions
162 #define QSCALE_NONE (-99999)
163 mlt_properties_set_int( properties, "aq", QSCALE_NONE );
164
165 // Video options not fully handled by AVOptions
166 mlt_properties_set_int( properties, "dc", 8 );
167
168 // Muxer options not fully handled by AVOptions
169 mlt_properties_set_double( properties, "muxdelay", 0.7 );
170 mlt_properties_set_double( properties, "muxpreload", 0.5 );
171
172 // Ensure termination at end of the stream
173 mlt_properties_set_int( properties, "terminate_on_pause", 1 );
174
175 // Default to separate processing threads for producer and consumer with no frame dropping!
176 mlt_properties_set_int( properties, "real_time", -1 );
177
178 // Set up start/stop/terminated callbacks
179 this->start = consumer_start;
180 this->stop = consumer_stop;
181 this->is_stopped = consumer_is_stopped;
182 }
183
184 // Return this
185 return this;
186 }
187
188 /** Start the consumer.
189 */
190
191 static int consumer_start( mlt_consumer this )
192 {
193 // Get the properties
194 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
195 int error = 0;
196
197 // Report information about available muxers and codecs as YAML Tiny
198 char *s = mlt_properties_get( properties, "f" );
199 if ( s && strcmp( s, "list" ) == 0 )
200 {
201 fprintf( stderr, "---\nformats:\n" );
202 AVOutputFormat *format = NULL;
203 while ( ( format = av_oformat_next( format ) ) )
204 fprintf( stderr, " - %s\n", format->name );
205 fprintf( stderr, "...\n" );
206 error = 1;
207 }
208 s = mlt_properties_get( properties, "acodec" );
209 if ( s && strcmp( s, "list" ) == 0 )
210 {
211 fprintf( stderr, "---\naudio_codecs:\n" );
212 AVCodec *codec = NULL;
213 while ( ( codec = av_codec_next( codec ) ) )
214 if ( codec->encode && codec->type == CODEC_TYPE_AUDIO )
215 fprintf( stderr, " - %s\n", codec->name );
216 fprintf( stderr, "...\n" );
217 error = 1;
218 }
219 s = mlt_properties_get( properties, "vcodec" );
220 if ( s && strcmp( s, "list" ) == 0 )
221 {
222 fprintf( stderr, "---\nvideo_codecs:\n" );
223 AVCodec *codec = NULL;
224 while ( ( codec = av_codec_next( codec ) ) )
225 if ( codec->encode && codec->type == CODEC_TYPE_VIDEO )
226 fprintf( stderr, " - %s\n", codec->name );
227 fprintf( stderr, "...\n" );
228 error = 1;
229 }
230
231 // Check that we're not already running
232 if ( !error && !mlt_properties_get_int( properties, "running" ) )
233 {
234 // Allocate a thread
235 pthread_t *thread = calloc( 1, sizeof( pthread_t ) );
236
237 // Get the width and height
238 int width = mlt_properties_get_int( properties, "width" );
239 int height = mlt_properties_get_int( properties, "height" );
240
241 // Obtain the size property
242 char *size = mlt_properties_get( properties, "s" );
243
244 // Interpret it
245 if ( size != NULL )
246 {
247 int tw, th;
248 if ( sscanf( size, "%dx%d", &tw, &th ) == 2 && tw > 0 && th > 0 )
249 {
250 width = tw;
251 height = th;
252 }
253 else
254 {
255 fprintf( stderr, "%s: Invalid size property %s - ignoring.\n", __FILE__, size );
256 }
257 }
258
259 // Now ensure we honour the multiple of two requested by libavformat
260 width = ( width / 2 ) * 2;
261 height = ( height / 2 ) * 2;
262 mlt_properties_set_int( properties, "width", width );
263 mlt_properties_set_int( properties, "height", height );
264
265 // We need to set these on the profile as well because the s property is
266 // an alias to mlt properties that correspond to profile settings.
267 mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( this ) );
268 if ( profile )
269 {
270 profile->width = width;
271 profile->height = height;
272 }
273
274 // Handle the ffmpeg command line "-r" property for frame rate
275 if ( mlt_properties_get( properties, "r" ) )
276 {
277 double frame_rate = mlt_properties_get_double( properties, "r" );
278 AVRational rational = av_d2q( frame_rate, 255 );
279 mlt_properties_set_int( properties, "frame_rate_num", rational.num );
280 mlt_properties_set_int( properties, "frame_rate_den", rational.den );
281 if ( profile )
282 {
283 profile->frame_rate_num = rational.num;
284 profile->frame_rate_den = rational.den;
285 mlt_properties_set_double( properties, "fps", mlt_profile_fps( profile ) );
286 }
287 }
288
289 // Apply AVOptions that are synonyms for standard mlt_consumer options
290 if ( mlt_properties_get( properties, "ac" ) )
291 mlt_properties_set_int( properties, "channels", mlt_properties_get_int( properties, "ac" ) );
292 if ( mlt_properties_get( properties, "ar" ) )
293 mlt_properties_set_int( properties, "frequency", mlt_properties_get_int( properties, "ar" ) );
294
295 // Assign the thread to properties
296 mlt_properties_set_data( properties, "thread", thread, sizeof( pthread_t ), free, NULL );
297
298 // Set the running state
299 mlt_properties_set_int( properties, "running", 1 );
300
301 // Create the thread
302 pthread_create( thread, NULL, consumer_thread, this );
303 }
304 return error;
305 }
306
307 /** Stop the consumer.
308 */
309
310 static int consumer_stop( mlt_consumer this )
311 {
312 // Get the properties
313 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
314
315 // Check that we're running
316 if ( mlt_properties_get_int( properties, "running" ) )
317 {
318 // Get the thread
319 pthread_t *thread = mlt_properties_get_data( properties, "thread", NULL );
320
321 // Stop the thread
322 mlt_properties_set_int( properties, "running", 0 );
323
324 // Wait for termination
325 pthread_join( *thread, NULL );
326 }
327
328 return 0;
329 }
330
331 /** Determine if the consumer is stopped.
332 */
333
334 static int consumer_is_stopped( mlt_consumer this )
335 {
336 // Get the properties
337 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
338 return !mlt_properties_get_int( properties, "running" );
339 }
340
341 /** Process properties as AVOptions and apply to AV context obj
342 */
343
344 static void apply_properties( void *obj, mlt_properties properties, int flags )
345 {
346 int i;
347 int count = mlt_properties_count( properties );
348 for ( i = 0; i < count; i++ )
349 {
350 const char *opt_name = mlt_properties_get_name( properties, i );
351 const AVOption *opt = av_find_opt( obj, opt_name, NULL, flags, flags );
352 if ( opt != NULL )
353 #if LIBAVCODEC_VERSION_INT >= ((52<<16)+(7<<8)+0)
354 av_set_string3( obj, opt_name, mlt_properties_get( properties, opt_name), 0, NULL );
355 #elif LIBAVCODEC_VERSION_INT >= ((51<<16)+(59<<8)+0)
356 av_set_string2( obj, opt_name, mlt_properties_get( properties, opt_name), 0 );
357 #else
358 av_set_string( obj, opt_name, mlt_properties_get( properties, opt_name) );
359 #endif
360 }
361 }
362
363 /** Add an audio output stream
364 */
365
366 static AVStream *add_audio_stream( mlt_consumer this, AVFormatContext *oc, int codec_id )
367 {
368 // Get the properties
369 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
370
371 // Create a new stream
372 AVStream *st = av_new_stream( oc, 1 );
373
374 // If created, then initialise from properties
375 if ( st != NULL )
376 {
377 AVCodecContext *c = st->codec;
378
379 // Establish defaults from AVOptions
380 avcodec_get_context_defaults2( c, CODEC_TYPE_AUDIO );
381
382 c->codec_id = codec_id;
383 c->codec_type = CODEC_TYPE_AUDIO;
384
385 // Setup multi-threading
386 int thread_count = mlt_properties_get_int( properties, "threads" );
387 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
388 thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
389 if ( thread_count > 1 )
390 avcodec_thread_init( c, thread_count );
391
392 if (oc->oformat->flags & AVFMT_GLOBALHEADER)
393 c->flags |= CODEC_FLAG_GLOBAL_HEADER;
394
395 // Allow the user to override the audio fourcc
396 if ( mlt_properties_get( properties, "atag" ) )
397 {
398 char *tail = NULL;
399 char *arg = mlt_properties_get( properties, "atag" );
400 int tag = strtol( arg, &tail, 0);
401 if( !tail || *tail )
402 tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
403 c->codec_tag = tag;
404 }
405
406 // Process properties as AVOptions
407 apply_properties( c, properties, AV_OPT_FLAG_AUDIO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
408
409 int audio_qscale = mlt_properties_get_int( properties, "aq" );
410 if ( audio_qscale > QSCALE_NONE )
411 {
412 c->flags |= CODEC_FLAG_QSCALE;
413 c->global_quality = st->quality = FF_QP2LAMBDA * audio_qscale;
414 }
415
416 // Set parameters controlled by MLT
417 c->sample_rate = mlt_properties_get_int( properties, "frequency" );
418 c->channels = mlt_properties_get_int( properties, "channels" );
419
420 if ( mlt_properties_get( properties, "alang" ) != NULL )
421 strncpy( st->language, mlt_properties_get( properties, "alang" ), sizeof( st->language ) );
422 }
423 else
424 {
425 fprintf( stderr, "%s: Could not allocate a stream for audio\n", __FILE__ );
426 }
427
428 return st;
429 }
430
431 static int open_audio( AVFormatContext *oc, AVStream *st, int audio_outbuf_size )
432 {
433 // We will return the audio input size from here
434 int audio_input_frame_size = 0;
435
436 // Get the context
437 AVCodecContext *c = st->codec;
438
439 // Find the encoder
440 AVCodec *codec = avcodec_find_encoder( c->codec_id );
441
442 // Continue if codec found and we can open it
443 if ( codec != NULL && avcodec_open( c, codec ) >= 0 )
444 {
445 // ugly hack for PCM codecs (will be removed ASAP with new PCM
446 // support to compute the input frame size in samples
447 if ( c->frame_size <= 1 )
448 {
449 audio_input_frame_size = audio_outbuf_size / c->channels;
450 switch(st->codec->codec_id)
451 {
452 case CODEC_ID_PCM_S16LE:
453 case CODEC_ID_PCM_S16BE:
454 case CODEC_ID_PCM_U16LE:
455 case CODEC_ID_PCM_U16BE:
456 audio_input_frame_size >>= 1;
457 break;
458 default:
459 break;
460 }
461 }
462 else
463 {
464 audio_input_frame_size = c->frame_size;
465 }
466
467 // Some formats want stream headers to be seperate (hmm)
468 if( !strcmp( oc->oformat->name, "mp4" ) ||
469 !strcmp( oc->oformat->name, "mov" ) ||
470 !strcmp( oc->oformat->name, "3gp" ) )
471 c->flags |= CODEC_FLAG_GLOBAL_HEADER;
472 }
473 else
474 {
475 fprintf( stderr, "%s: Unable to encode audio - disabling audio output.\n", __FILE__ );
476 }
477
478 return audio_input_frame_size;
479 }
480
481 static void close_audio( AVFormatContext *oc, AVStream *st )
482 {
483 avcodec_close( st->codec );
484 }
485
486 /** Add a video output stream
487 */
488
489 static AVStream *add_video_stream( mlt_consumer this, AVFormatContext *oc, int codec_id )
490 {
491 // Get the properties
492 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
493
494 // Create a new stream
495 AVStream *st = av_new_stream( oc, 0 );
496
497 if ( st != NULL )
498 {
499 char *pix_fmt = mlt_properties_get( properties, "pix_fmt" );
500 AVCodecContext *c = st->codec;
501
502 // Establish defaults from AVOptions
503 avcodec_get_context_defaults2( c, CODEC_TYPE_VIDEO );
504
505 c->codec_id = codec_id;
506 c->codec_type = CODEC_TYPE_VIDEO;
507
508 // Setup multi-threading
509 int thread_count = mlt_properties_get_int( properties, "threads" );
510 if ( thread_count == 0 && getenv( "MLT_AVFORMAT_THREADS" ) )
511 thread_count = atoi( getenv( "MLT_AVFORMAT_THREADS" ) );
512 if ( thread_count > 1 )
513 avcodec_thread_init( c, thread_count );
514
515 // Process properties as AVOptions
516 apply_properties( c, properties, AV_OPT_FLAG_VIDEO_PARAM | AV_OPT_FLAG_ENCODING_PARAM );
517
518 // Set options controlled by MLT
519 c->width = mlt_properties_get_int( properties, "width" );
520 c->height = mlt_properties_get_int( properties, "height" );
521 c->time_base.num = mlt_properties_get_int( properties, "frame_rate_den" );
522 c->time_base.den = mlt_properties_get_int( properties, "frame_rate_num" );
523 st->time_base = c->time_base;
524 c->pix_fmt = pix_fmt ? avcodec_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
525
526 if ( mlt_properties_get( properties, "aspect" ) )
527 {
528 // "-aspect" on ffmpeg command line is display aspect ratio
529 double ar = mlt_properties_get_double( properties, "aspect" );
530 AVRational rational = av_d2q( ar, 255 );
531
532 // Update the profile and properties as well since this is an alias
533 // for mlt properties that correspond to profile settings
534 mlt_properties_set_int( properties, "display_aspect_num", rational.num );
535 mlt_properties_set_int( properties, "display_aspect_den", rational.den );
536 mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( this ) );
537 if ( profile )
538 {
539 profile->display_aspect_num = rational.num;
540 profile->display_aspect_den = rational.den;
541 mlt_properties_set_double( properties, "display_ratio", mlt_profile_dar( profile ) );
542 }
543
544 // Now compute the sample aspect ratio
545 rational = av_d2q( ar * c->height / c->width, 255 );
546 c->sample_aspect_ratio = rational;
547 // Update the profile and properties as well since this is an alias
548 // for mlt properties that correspond to profile settings
549 mlt_properties_set_int( properties, "sample_aspect_num", rational.num );
550 mlt_properties_set_int( properties, "sample_aspect_den", rational.den );
551 if ( profile )
552 {
553 profile->sample_aspect_num = rational.num;
554 profile->sample_aspect_den = rational.den;
555 mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
556 }
557 }
558 else
559 {
560 c->sample_aspect_ratio.num = mlt_properties_get_int( properties, "sample_aspect_num" );
561 c->sample_aspect_ratio.den = mlt_properties_get_int( properties, "sample_aspect_den" );
562 }
563 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
564 st->sample_aspect_ratio = c->sample_aspect_ratio;
565 #endif
566
567 if ( mlt_properties_get_double( properties, "qscale" ) > 0 )
568 {
569 c->flags |= CODEC_FLAG_QSCALE;
570 st->quality = FF_QP2LAMBDA * mlt_properties_get_double( properties, "qscale" );
571 }
572
573 // Allow the user to override the video fourcc
574 if ( mlt_properties_get( properties, "vtag" ) )
575 {
576 char *tail = NULL;
577 const char *arg = mlt_properties_get( properties, "vtag" );
578 int tag = strtol( arg, &tail, 0);
579 if( !tail || *tail )
580 tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
581 c->codec_tag = tag;
582 }
583
584 // Some formats want stream headers to be seperate
585 if ( oc->oformat->flags & AVFMT_GLOBALHEADER )
586 c->flags |= CODEC_FLAG_GLOBAL_HEADER;
587
588 // Translate these standard mlt consumer properties to ffmpeg
589 if ( mlt_properties_get_int( properties, "progressive" ) == 0 &&
590 mlt_properties_get_int( properties, "deinterlace" ) == 0 )
591 {
592 if ( mlt_properties_get_int( properties, "ildct" ) )
593 c->flags |= CODEC_FLAG_INTERLACED_DCT;
594 if ( mlt_properties_get_int( properties, "ilme" ) )
595 c->flags |= CODEC_FLAG_INTERLACED_ME;
596 }
597
598 // parse the ratecontrol override string
599 int i;
600 char *rc_override = mlt_properties_get( properties, "rc_override" );
601 for ( i = 0; rc_override; i++ )
602 {
603 int start, end, q;
604 int e = sscanf( rc_override, "%d,%d,%d", &start, &end, &q );
605 if ( e != 3 )
606 fprintf( stderr, "%s: Error parsing rc_override\n", __FILE__ );
607 c->rc_override = av_realloc( c->rc_override, sizeof( RcOverride ) * ( i + 1 ) );
608 c->rc_override[i].start_frame = start;
609 c->rc_override[i].end_frame = end;
610 if ( q > 0 )
611 {
612 c->rc_override[i].qscale = q;
613 c->rc_override[i].quality_factor = 1.0;
614 }
615 else
616 {
617 c->rc_override[i].qscale = 0;
618 c->rc_override[i].quality_factor = -q / 100.0;
619 }
620 rc_override = strchr( rc_override, '/' );
621 if ( rc_override )
622 rc_override++;
623 }
624 c->rc_override_count = i;
625 if ( !c->rc_initial_buffer_occupancy )
626 c->rc_initial_buffer_occupancy = c->rc_buffer_size * 3/4;
627 c->intra_dc_precision = mlt_properties_get_int( properties, "dc" ) - 8;
628
629 // Setup dual-pass
630 i = mlt_properties_get_int( properties, "pass" );
631 if ( i == 1 )
632 c->flags |= CODEC_FLAG_PASS1;
633 else if ( i == 2 )
634 c->flags |= CODEC_FLAG_PASS2;
635 if ( codec_id != CODEC_ID_H264 && ( c->flags & ( CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2 ) ) )
636 {
637 char logfilename[1024];
638 FILE *f;
639 int size;
640 char *logbuffer;
641
642 snprintf( logfilename, sizeof(logfilename), "%s_2pass.log",
643 mlt_properties_get( properties, "passlogfile" ) ? mlt_properties_get( properties, "passlogfile" ) : mlt_properties_get( properties, "target" ) );
644 if ( c->flags & CODEC_FLAG_PASS1 )
645 {
646 f = fopen( logfilename, "w" );
647 if ( !f )
648 perror( logfilename );
649 else
650 mlt_properties_set_data( properties, "_logfile", f, 0, ( mlt_destructor )fclose, NULL );
651 }
652 else
653 {
654 /* read the log file */
655 f = fopen( logfilename, "r" );
656 if ( !f )
657 {
658 perror(logfilename);
659 }
660 else
661 {
662 mlt_properties_set( properties, "_logfilename", logfilename );
663 fseek( f, 0, SEEK_END );
664 size = ftell( f );
665 fseek( f, 0, SEEK_SET );
666 logbuffer = av_malloc( size + 1 );
667 if ( !logbuffer )
668 fprintf( stderr, "%s: Could not allocate log buffer\n", __FILE__ );
669 else
670 {
671 size = fread( logbuffer, 1, size, f );
672 fclose( f );
673 logbuffer[size] = '\0';
674 c->stats_in = logbuffer;
675 mlt_properties_set_data( properties, "_logbuffer", logbuffer, 0, ( mlt_destructor )av_free, NULL );
676 }
677 }
678 }
679 }
680 }
681 else
682 {
683 fprintf( stderr, "%s: Could not allocate a stream for video\n", __FILE__ );
684 }
685
686 return st;
687 }
688
689 static AVFrame *alloc_picture( int pix_fmt, int width, int height )
690 {
691 // Allocate a frame
692 AVFrame *picture = avcodec_alloc_frame();
693
694 // Determine size of the
695 int size = avpicture_get_size(pix_fmt, width, height);
696
697 // Allocate the picture buf
698 uint8_t *picture_buf = av_malloc(size);
699
700 // If we have both, then fill the image
701 if ( picture != NULL && picture_buf != NULL )
702 {
703 // Fill the frame with the allocated buffer
704 avpicture_fill( (AVPicture *)picture, picture_buf, pix_fmt, width, height);
705 }
706 else
707 {
708 // Something failed - clean up what we can
709 av_free( picture );
710 av_free( picture_buf );
711 picture = NULL;
712 }
713
714 return picture;
715 }
716
717 static int open_video(AVFormatContext *oc, AVStream *st)
718 {
719 // Get the codec
720 AVCodecContext *video_enc = st->codec;
721
722 // find the video encoder
723 AVCodec *codec = avcodec_find_encoder( video_enc->codec_id );
724
725 if( codec && codec->pix_fmts )
726 {
727 const enum PixelFormat *p = codec->pix_fmts;
728 for( ; *p!=-1; p++ )
729 {
730 if( *p == video_enc->pix_fmt )
731 break;
732 }
733 if( *p == -1 )
734 video_enc->pix_fmt = codec->pix_fmts[ 0 ];
735 }
736
737 // Open the codec safely
738 return codec != NULL && avcodec_open( video_enc, codec ) >= 0;
739 }
740
741 void close_video(AVFormatContext *oc, AVStream *st)
742 {
743 avcodec_close(st->codec);
744 }
745
746 static inline long time_difference( struct timeval *time1 )
747 {
748 struct timeval time2;
749 gettimeofday( &time2, NULL );
750 return time2.tv_sec * 1000000 + time2.tv_usec - time1->tv_sec * 1000000 - time1->tv_usec;
751 }
752
753 /** The main thread - the argument is simply the consumer.
754 */
755
756 static void *consumer_thread( void *arg )
757 {
758 // Map the argument to the object
759 mlt_consumer this = arg;
760
761 // Get the properties
762 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
763
764 // Get the terminate on pause property
765 int terminate_on_pause = mlt_properties_get_int( properties, "terminate_on_pause" );
766 int terminated = 0;
767
768 // Determine if feed is slow (for realtime stuff)
769 int real_time_output = mlt_properties_get_int( properties, "real_time" );
770
771 // Time structures
772 struct timeval ante;
773
774 // Get the frame rate
775 double fps = mlt_properties_get_double( properties, "fps" );
776
777 // Get width and height
778 int width = mlt_properties_get_int( properties, "width" );
779 int height = mlt_properties_get_int( properties, "height" );
780 int img_width = width;
781 int img_height = height;
782
783 // Get default audio properties
784 mlt_audio_format aud_fmt = mlt_audio_pcm;
785 int channels = mlt_properties_get_int( properties, "channels" );
786 int frequency = mlt_properties_get_int( properties, "frequency" );
787 int16_t *pcm = NULL;
788 int samples = 0;
789
790 // AVFormat audio buffer and frame size
791 int audio_outbuf_size = 10000;
792 uint8_t *audio_outbuf = av_malloc( audio_outbuf_size );
793 int audio_input_frame_size = 0;
794
795 // AVFormat video buffer and frame count
796 int frame_count = 0;
797 int video_outbuf_size = ( 1024 * 1024 );
798 uint8_t *video_outbuf = av_malloc( video_outbuf_size );
799
800 // Used for the frame properties
801 mlt_frame frame = NULL;
802 mlt_properties frame_properties = NULL;
803
804 // Get the queues
805 mlt_deque queue = mlt_properties_get_data( properties, "frame_queue", NULL );
806 sample_fifo fifo = mlt_properties_get_data( properties, "sample_fifo", NULL );
807
808 // Need two av pictures for converting
809 AVFrame *output = NULL;
810 AVFrame *input = alloc_picture( PIX_FMT_YUV422, width, height );
811
812 // For receiving images from an mlt_frame
813 uint8_t *image;
814 mlt_image_format img_fmt = mlt_image_yuv422;
815
816 // For receiving audio samples back from the fifo
817 int16_t *buffer = av_malloc( 48000 * 2 );
818 int count = 0;
819
820 // Allocate the context
821 AVFormatContext *oc = av_alloc_format_context( );
822
823 // Streams
824 AVStream *audio_st = NULL;
825 AVStream *video_st = NULL;
826
827 // Time stamps
828 double audio_pts = 0;
829 double video_pts = 0;
830
831 // Loop variable
832 int i;
833
834 // Frames despatched
835 long int frames = 0;
836 long int total_time = 0;
837
838 // Determine the format
839 AVOutputFormat *fmt = NULL;
840 char *filename = mlt_properties_get( properties, "target" );
841 char *format = mlt_properties_get( properties, "f" );
842 char *vcodec = mlt_properties_get( properties, "vcodec" );
843 char *acodec = mlt_properties_get( properties, "acodec" );
844
845 // Used to store and override codec ids
846 int audio_codec_id;
847 int video_codec_id;
848
849 // Check for user selected format first
850 if ( format != NULL )
851 fmt = guess_format( format, NULL, NULL );
852
853 // Otherwise check on the filename
854 if ( fmt == NULL && filename != NULL )
855 fmt = guess_format( NULL, filename, NULL );
856
857 // Otherwise default to mpeg
858 if ( fmt == NULL )
859 fmt = guess_format( "mpeg", NULL, NULL );
860
861 // We need a filename - default to stdout?
862 if ( filename == NULL || !strcmp( filename, "" ) )
863 filename = "pipe:";
864
865 // Get the codec ids selected
866 audio_codec_id = fmt->audio_codec;
867 video_codec_id = fmt->video_codec;
868
869 // Check for audio codec overides
870 if ( ( acodec && strcmp( "acodec", "none" ) == 0 ) || mlt_properties_get_int( properties, "an" ) )
871 audio_codec_id = CODEC_ID_NONE;
872 else if ( acodec )
873 {
874 AVCodec *p = avcodec_find_encoder_by_name( acodec );
875 if ( p != NULL )
876 audio_codec_id = p->id;
877 else
878 fprintf( stderr, "%s: audio codec %s unrecognised - ignoring\n", __FILE__, acodec );
879 }
880
881 // Check for video codec overides
882 if ( ( vcodec && strcmp( "vcodec", "none" ) == 0 ) || mlt_properties_get_int( properties, "vn" ) )
883 video_codec_id = CODEC_ID_NONE;
884 else if ( vcodec )
885 {
886 AVCodec *p = avcodec_find_encoder_by_name( vcodec );
887 if ( p != NULL )
888 video_codec_id = p->id;
889 else
890 fprintf( stderr, "%s: video codec %s unrecognised - ignoring\n", __FILE__, vcodec );
891 }
892
893 // Write metadata
894 char *tmp = NULL;
895 int metavalue;
896
897 tmp = mlt_properties_get( properties, "meta.attr.title.markup");
898 if (tmp != NULL) snprintf( oc->title, sizeof(oc->title), "%s", tmp );
899
900 tmp = mlt_properties_get( properties, "meta.attr.comment.markup");
901 if (tmp != NULL) snprintf( oc->comment, sizeof(oc->comment), "%s", tmp );
902
903 tmp = mlt_properties_get( properties, "meta.attr.author.markup");
904 if (tmp != NULL) snprintf( oc->author, sizeof(oc->author), "%s", tmp );
905
906 tmp = mlt_properties_get( properties, "meta.attr.copyright.markup");
907 if (tmp != NULL) snprintf( oc->copyright, sizeof(oc->copyright), "%s", tmp );
908
909 tmp = mlt_properties_get( properties, "meta.attr.album.markup");
910 if (tmp != NULL) snprintf( oc->album, sizeof(oc->album), "%s", tmp );
911
912 metavalue = mlt_properties_get_int( properties, "meta.attr.year.markup");
913 if (metavalue != 0) oc->year = metavalue;
914
915 metavalue = mlt_properties_get_int( properties, "meta.attr.track.markup");
916 if (metavalue != 0) oc->track = metavalue;
917
918 oc->oformat = fmt;
919 snprintf( oc->filename, sizeof(oc->filename), "%s", filename );
920
921 // Add audio and video streams
922 if ( video_codec_id != CODEC_ID_NONE )
923 video_st = add_video_stream( this, oc, video_codec_id );
924 if ( audio_codec_id != CODEC_ID_NONE )
925 audio_st = add_audio_stream( this, oc, audio_codec_id );
926
927 // Set the parameters (even though we have none...)
928 if ( av_set_parameters(oc, NULL) >= 0 )
929 {
930 oc->preload = ( int )( mlt_properties_get_double( properties, "muxpreload" ) * AV_TIME_BASE );
931 oc->max_delay= ( int )( mlt_properties_get_double( properties, "muxdelay" ) * AV_TIME_BASE );
932
933 // Process properties as AVOptions
934 apply_properties( oc, properties, AV_OPT_FLAG_ENCODING_PARAM );
935
936 if ( video_st && !open_video( oc, video_st ) )
937 video_st = NULL;
938 if ( audio_st )
939 audio_input_frame_size = open_audio( oc, audio_st, audio_outbuf_size );
940
941 // Open the output file, if needed
942 if ( !( fmt->flags & AVFMT_NOFILE ) )
943 {
944 if ( url_fopen( &oc->pb, filename, URL_WRONLY ) < 0 )
945 {
946 fprintf( stderr, "%s: Could not open '%s'\n", __FILE__, filename );
947 mlt_properties_set_int( properties, "running", 0 );
948 }
949 }
950
951 // Write the stream header, if any
952 if ( mlt_properties_get_int( properties, "running" ) )
953 av_write_header( oc );
954 }
955 else
956 {
957 fprintf( stderr, "%s: Invalid output format parameters\n", __FILE__ );
958 mlt_properties_set_int( properties, "running", 0 );
959 }
960
961 // Allocate picture
962 if ( video_st )
963 output = alloc_picture( video_st->codec->pix_fmt, width, height );
964
965 // Last check - need at least one stream
966 if ( audio_st == NULL && video_st == NULL )
967 mlt_properties_set_int( properties, "running", 0 );
968
969 // Get the starting time (can ignore the times above)
970 gettimeofday( &ante, NULL );
971
972 // Loop while running
973 while( mlt_properties_get_int( properties, "running" ) && !terminated )
974 {
975 // Get the frame
976 frame = mlt_consumer_rt_frame( this );
977
978 // Check that we have a frame to work with
979 if ( frame != NULL )
980 {
981 // Increment frames despatched
982 frames ++;
983
984 // Default audio args
985 frame_properties = MLT_FRAME_PROPERTIES( frame );
986
987 // Check for the terminated condition
988 terminated = terminate_on_pause && mlt_properties_get_double( frame_properties, "_speed" ) == 0.0;
989
990 // Get audio and append to the fifo
991 if ( !terminated && audio_st )
992 {
993 samples = mlt_sample_calculator( fps, frequency, count ++ );
994 mlt_frame_get_audio( frame, &pcm, &aud_fmt, &frequency, &channels, &samples );
995
996 // Create the fifo if we don't have one
997 if ( fifo == NULL )
998 {
999 fifo = sample_fifo_init( frequency, channels );
1000 mlt_properties_set_data( properties, "sample_fifo", fifo, 0, ( mlt_destructor )sample_fifo_close, NULL );
1001 }
1002
1003 if ( mlt_properties_get_double( frame_properties, "_speed" ) != 1.0 )
1004 memset( pcm, 0, samples * channels * 2 );
1005
1006 // Append the samples
1007 sample_fifo_append( fifo, pcm, samples * channels );
1008 total_time += ( samples * 1000000 ) / frequency;
1009 }
1010
1011 // Encode the image
1012 if ( !terminated && video_st )
1013 mlt_deque_push_back( queue, frame );
1014 else
1015 mlt_frame_close( frame );
1016 }
1017
1018 // While we have stuff to process, process...
1019 while ( 1 )
1020 {
1021 if (audio_st)
1022 audio_pts = (double)audio_st->pts.val * audio_st->time_base.num / audio_st->time_base.den;
1023 else
1024 audio_pts = 0.0;
1025
1026 if (video_st)
1027 video_pts = (double)video_st->pts.val * video_st->time_base.num / video_st->time_base.den;
1028 else
1029 video_pts = 0.0;
1030
1031 // Write interleaved audio and video frames
1032 if ( !video_st || ( video_st && audio_st && audio_pts < video_pts ) )
1033 {
1034 if ( channels * audio_input_frame_size < sample_fifo_used( fifo ) )
1035 {
1036 AVCodecContext *c;
1037 AVPacket pkt;
1038 av_init_packet( &pkt );
1039
1040 c = audio_st->codec;
1041
1042 sample_fifo_fetch( fifo, buffer, channels * audio_input_frame_size );
1043
1044 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
1045 // Write the compressed frame in the media file
1046 if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1047 pkt.pts = av_rescale_q( c->coded_frame->pts, c->time_base, audio_st->time_base );
1048 pkt.flags |= PKT_FLAG_KEY;
1049 pkt.stream_index= audio_st->index;
1050 pkt.data= audio_outbuf;
1051
1052 if ( pkt.size )
1053 if ( av_interleaved_write_frame( oc, &pkt ) != 0)
1054 fprintf( stderr, "%s: Error while writing audio frame\n", __FILE__ );
1055
1056 audio_pts += c->frame_size;
1057 }
1058 else
1059 {
1060 break;
1061 }
1062 }
1063 else if ( video_st )
1064 {
1065 if ( mlt_deque_count( queue ) )
1066 {
1067 int out_size, ret;
1068 AVCodecContext *c;
1069
1070 frame = mlt_deque_pop_front( queue );
1071 frame_properties = MLT_FRAME_PROPERTIES( frame );
1072
1073 c = video_st->codec;
1074
1075 if ( mlt_properties_get_int( frame_properties, "rendered" ) )
1076 {
1077 int i = 0;
1078 int j = 0;
1079 uint8_t *p;
1080 uint8_t *q;
1081
1082 mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
1083
1084 mlt_frame_get_image( frame, &image, &img_fmt, &img_width, &img_height, 0 );
1085
1086 q = image;
1087
1088 // Convert the mlt frame to an AVPicture
1089 for ( i = 0; i < height; i ++ )
1090 {
1091 p = input->data[ 0 ] + i * input->linesize[ 0 ];
1092 j = width;
1093 while( j -- )
1094 {
1095 *p ++ = *q ++;
1096 *p ++ = *q ++;
1097 }
1098 }
1099
1100 // Do the colour space conversion
1101 #ifdef SWSCALE
1102 struct SwsContext *context = sws_getContext( width, height, PIX_FMT_YUV422,
1103 width, height, video_st->codec->pix_fmt, SWS_FAST_BILINEAR, NULL, NULL, NULL);
1104 sws_scale( context, input->data, input->linesize, 0, height,
1105 output->data, output->linesize);
1106 sws_freeContext( context );
1107 #else
1108 img_convert( ( AVPicture * )output, video_st->codec->pix_fmt, ( AVPicture * )input, PIX_FMT_YUV422, width, height );
1109 #endif
1110
1111 // Apply the alpha if applicable
1112 if ( video_st->codec->pix_fmt == PIX_FMT_RGBA32 )
1113 {
1114 uint8_t *alpha = mlt_frame_get_alpha_mask( frame );
1115 register int n;
1116
1117 for ( i = 0; i < height; i ++ )
1118 {
1119 n = ( width + 7 ) / 8;
1120 p = output->data[ 0 ] + i * output->linesize[ 0 ];
1121
1122 #ifndef __DARWIN__
1123 p += 3;
1124 #endif
1125
1126 switch( width % 8 )
1127 {
1128 case 0: do { *p = *alpha++; p += 4;
1129 case 7: *p = *alpha++; p += 4;
1130 case 6: *p = *alpha++; p += 4;
1131 case 5: *p = *alpha++; p += 4;
1132 case 4: *p = *alpha++; p += 4;
1133 case 3: *p = *alpha++; p += 4;
1134 case 2: *p = *alpha++; p += 4;
1135 case 1: *p = *alpha++; p += 4;
1136 }
1137 while( --n );
1138 }
1139 }
1140 }
1141 }
1142
1143 if (oc->oformat->flags & AVFMT_RAWPICTURE)
1144 {
1145 // raw video case. The API will change slightly in the near future for that
1146 AVPacket pkt;
1147 av_init_packet(&pkt);
1148
1149 pkt.flags |= PKT_FLAG_KEY;
1150 pkt.stream_index= video_st->index;
1151 pkt.data= (uint8_t *)output;
1152 pkt.size= sizeof(AVPicture);
1153
1154 ret = av_write_frame(oc, &pkt);
1155 video_pts += c->frame_size;
1156 }
1157 else
1158 {
1159 // Set the quality
1160 output->quality = video_st->quality;
1161
1162 // Set frame interlace hints
1163 output->interlaced_frame = !mlt_properties_get_int( frame_properties, "progressive" );
1164 output->top_field_first = mlt_properties_get_int( frame_properties, "top_field_first" );
1165
1166 // Encode the image
1167 out_size = avcodec_encode_video(c, video_outbuf, video_outbuf_size, output );
1168
1169 // If zero size, it means the image was buffered
1170 if (out_size > 0)
1171 {
1172 AVPacket pkt;
1173 av_init_packet( &pkt );
1174
1175 if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1176 pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
1177 if( c->coded_frame && c->coded_frame->key_frame )
1178 pkt.flags |= PKT_FLAG_KEY;
1179 pkt.stream_index= video_st->index;
1180 pkt.data= video_outbuf;
1181 pkt.size= out_size;
1182
1183 // write the compressed frame in the media file
1184 ret = av_interleaved_write_frame(oc, &pkt);
1185 video_pts += c->frame_size;
1186
1187 // Dual pass logging
1188 if ( mlt_properties_get_data( properties, "_logfile", NULL ) && c->stats_out)
1189 fprintf( mlt_properties_get_data( properties, "_logfile", NULL ), "%s", c->stats_out );
1190 }
1191 else
1192 {
1193 fprintf( stderr, "%s: error with video encode\n", __FILE__ );
1194 }
1195 }
1196 frame_count++;
1197 mlt_frame_close( frame );
1198 }
1199 else
1200 {
1201 break;
1202 }
1203 }
1204 }
1205
1206 if ( real_time_output == 1 && frames % 12 == 0 )
1207 {
1208 long passed = time_difference( &ante );
1209 if ( fifo != NULL )
1210 {
1211 long pending = ( ( ( long )sample_fifo_used( fifo ) * 1000 ) / frequency ) * 1000;
1212 passed -= pending;
1213 }
1214 if ( passed < total_time )
1215 {
1216 long total = ( total_time - passed );
1217 struct timespec t = { total / 1000000, ( total % 1000000 ) * 1000 };
1218 nanosleep( &t, NULL );
1219 }
1220 }
1221 }
1222
1223 #ifdef FLUSH
1224 if ( ! real_time_output )
1225 {
1226 // Flush audio fifo
1227 if ( audio_st && audio_st->codec->frame_size > 1 ) for (;;)
1228 {
1229 AVCodecContext *c = audio_st->codec;
1230 AVPacket pkt;
1231 av_init_packet( &pkt );
1232 pkt.size = 0;
1233
1234 if ( /*( c->capabilities & CODEC_CAP_SMALL_LAST_FRAME ) &&*/
1235 ( channels * audio_input_frame_size < sample_fifo_used( fifo ) ) )
1236 {
1237 sample_fifo_fetch( fifo, buffer, channels * audio_input_frame_size );
1238 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
1239 }
1240 if ( pkt.size <= 0 )
1241 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, NULL );
1242 if ( pkt.size <= 0 )
1243 break;
1244
1245 // Write the compressed frame in the media file
1246 if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1247 pkt.pts = av_rescale_q( c->coded_frame->pts, c->time_base, audio_st->time_base );
1248 pkt.flags |= PKT_FLAG_KEY;
1249 pkt.stream_index = audio_st->index;
1250 pkt.data = audio_outbuf;
1251 if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
1252 {
1253 fprintf( stderr, "%s: Error while writing flushed audio frame\n", __FILE__ );
1254 break;
1255 }
1256 }
1257
1258 // Flush video
1259 if ( video_st && !( oc->oformat->flags & AVFMT_RAWPICTURE ) ) for (;;)
1260 {
1261 AVCodecContext *c = video_st->codec;
1262 AVPacket pkt;
1263 av_init_packet( &pkt );
1264
1265 // Encode the image
1266 pkt.size = avcodec_encode_video( c, video_outbuf, video_outbuf_size, NULL );
1267 if ( pkt.size <= 0 )
1268 break;
1269
1270 if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1271 pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
1272 if( c->coded_frame && c->coded_frame->key_frame )
1273 pkt.flags |= PKT_FLAG_KEY;
1274 pkt.stream_index = video_st->index;
1275 pkt.data = video_outbuf;
1276
1277 // write the compressed frame in the media file
1278 if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
1279 {
1280 fprintf( stderr, "%s: Error while writing flushed video frame\n". __FILE__ );
1281 break;
1282 }
1283 }
1284 }
1285 #endif
1286
1287 // close each codec
1288 if (video_st)
1289 close_video(oc, video_st);
1290 if (audio_st)
1291 close_audio(oc, audio_st);
1292
1293 // Write the trailer, if any
1294 av_write_trailer(oc);
1295
1296 // Free the streams
1297 for(i = 0; i < oc->nb_streams; i++)
1298 av_freep(&oc->streams[i]);
1299
1300 // Close the output file
1301 if (!(fmt->flags & AVFMT_NOFILE))
1302 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(0<<8)+0)
1303 url_fclose(oc->pb);
1304 #else
1305 url_fclose(&oc->pb);
1306 #endif
1307
1308 // Clean up input and output frames
1309 if ( output )
1310 av_free( output->data[0] );
1311 av_free( output );
1312 av_free( input->data[0] );
1313 av_free( input );
1314 av_free( video_outbuf );
1315 av_free( buffer );
1316
1317 // Free the stream
1318 av_free(oc);
1319
1320 // Just in case we terminated on pause
1321 mlt_properties_set_int( properties, "running", 0 );
1322
1323 mlt_consumer_stopped( this );
1324
1325 if ( mlt_properties_get_int( properties, "pass" ) == 2 )
1326 {
1327 // Remove the dual pass log file
1328 if ( mlt_properties_get( properties, "_logfilename" ) )
1329 remove( mlt_properties_get( properties, "_logfilename" ) );
1330
1331 // Remove the x264 dual pass logs
1332 char *cwd = getcwd( NULL, 0 );
1333 char *file = "x264_2pass.log";
1334 char *full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1335 sprintf( full, "%s/%s", cwd, file );
1336 remove( full );
1337 free( full );
1338 file = "x264_2pass.log.temp";
1339 full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1340 sprintf( full, "%s/%s", cwd, file );
1341 remove( full );
1342 free( full );
1343 free( cwd );
1344 remove( "x264_2pass.log.temp" );
1345 }
1346
1347 return NULL;
1348 }
1349
1350 /** Close the consumer.
1351 */
1352
1353 static void consumer_close( mlt_consumer this )
1354 {
1355 // Stop the consumer
1356 mlt_consumer_stop( this );
1357
1358 // Close the parent
1359 mlt_consumer_close( this );
1360
1361 // Free the memory
1362 free( this );
1363 }