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consumer_avformat.c: bugfix (kdenlive-450) bad timestamps in MPEG-2 Transport Stream...
[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 if ( st->time_base.den == 0 )
524 st->time_base = c->time_base;
525 c->pix_fmt = pix_fmt ? avcodec_get_pix_fmt( pix_fmt ) : PIX_FMT_YUV420P;
526
527 if ( mlt_properties_get( properties, "aspect" ) )
528 {
529 // "-aspect" on ffmpeg command line is display aspect ratio
530 double ar = mlt_properties_get_double( properties, "aspect" );
531 AVRational rational = av_d2q( ar, 255 );
532
533 // Update the profile and properties as well since this is an alias
534 // for mlt properties that correspond to profile settings
535 mlt_properties_set_int( properties, "display_aspect_num", rational.num );
536 mlt_properties_set_int( properties, "display_aspect_den", rational.den );
537 mlt_profile profile = mlt_service_profile( MLT_CONSUMER_SERVICE( this ) );
538 if ( profile )
539 {
540 profile->display_aspect_num = rational.num;
541 profile->display_aspect_den = rational.den;
542 mlt_properties_set_double( properties, "display_ratio", mlt_profile_dar( profile ) );
543 }
544
545 // Now compute the sample aspect ratio
546 rational = av_d2q( ar * c->height / c->width, 255 );
547 c->sample_aspect_ratio = rational;
548 // Update the profile and properties as well since this is an alias
549 // for mlt properties that correspond to profile settings
550 mlt_properties_set_int( properties, "sample_aspect_num", rational.num );
551 mlt_properties_set_int( properties, "sample_aspect_den", rational.den );
552 if ( profile )
553 {
554 profile->sample_aspect_num = rational.num;
555 profile->sample_aspect_den = rational.den;
556 mlt_properties_set_double( properties, "aspect_ratio", mlt_profile_sar( profile ) );
557 }
558 }
559 else
560 {
561 c->sample_aspect_ratio.num = mlt_properties_get_int( properties, "sample_aspect_num" );
562 c->sample_aspect_ratio.den = mlt_properties_get_int( properties, "sample_aspect_den" );
563 }
564 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(21<<8)+0)
565 st->sample_aspect_ratio = c->sample_aspect_ratio;
566 #endif
567
568 if ( mlt_properties_get_double( properties, "qscale" ) > 0 )
569 {
570 c->flags |= CODEC_FLAG_QSCALE;
571 st->quality = FF_QP2LAMBDA * mlt_properties_get_double( properties, "qscale" );
572 }
573
574 // Allow the user to override the video fourcc
575 if ( mlt_properties_get( properties, "vtag" ) )
576 {
577 char *tail = NULL;
578 const char *arg = mlt_properties_get( properties, "vtag" );
579 int tag = strtol( arg, &tail, 0);
580 if( !tail || *tail )
581 tag = arg[ 0 ] + ( arg[ 1 ] << 8 ) + ( arg[ 2 ] << 16 ) + ( arg[ 3 ] << 24 );
582 c->codec_tag = tag;
583 }
584
585 // Some formats want stream headers to be seperate
586 if ( oc->oformat->flags & AVFMT_GLOBALHEADER )
587 c->flags |= CODEC_FLAG_GLOBAL_HEADER;
588
589 // Translate these standard mlt consumer properties to ffmpeg
590 if ( mlt_properties_get_int( properties, "progressive" ) == 0 &&
591 mlt_properties_get_int( properties, "deinterlace" ) == 0 )
592 {
593 if ( mlt_properties_get_int( properties, "ildct" ) )
594 c->flags |= CODEC_FLAG_INTERLACED_DCT;
595 if ( mlt_properties_get_int( properties, "ilme" ) )
596 c->flags |= CODEC_FLAG_INTERLACED_ME;
597 }
598
599 // parse the ratecontrol override string
600 int i;
601 char *rc_override = mlt_properties_get( properties, "rc_override" );
602 for ( i = 0; rc_override; i++ )
603 {
604 int start, end, q;
605 int e = sscanf( rc_override, "%d,%d,%d", &start, &end, &q );
606 if ( e != 3 )
607 fprintf( stderr, "%s: Error parsing rc_override\n", __FILE__ );
608 c->rc_override = av_realloc( c->rc_override, sizeof( RcOverride ) * ( i + 1 ) );
609 c->rc_override[i].start_frame = start;
610 c->rc_override[i].end_frame = end;
611 if ( q > 0 )
612 {
613 c->rc_override[i].qscale = q;
614 c->rc_override[i].quality_factor = 1.0;
615 }
616 else
617 {
618 c->rc_override[i].qscale = 0;
619 c->rc_override[i].quality_factor = -q / 100.0;
620 }
621 rc_override = strchr( rc_override, '/' );
622 if ( rc_override )
623 rc_override++;
624 }
625 c->rc_override_count = i;
626 if ( !c->rc_initial_buffer_occupancy )
627 c->rc_initial_buffer_occupancy = c->rc_buffer_size * 3/4;
628 c->intra_dc_precision = mlt_properties_get_int( properties, "dc" ) - 8;
629
630 // Setup dual-pass
631 i = mlt_properties_get_int( properties, "pass" );
632 if ( i == 1 )
633 c->flags |= CODEC_FLAG_PASS1;
634 else if ( i == 2 )
635 c->flags |= CODEC_FLAG_PASS2;
636 if ( codec_id != CODEC_ID_H264 && ( c->flags & ( CODEC_FLAG_PASS1 | CODEC_FLAG_PASS2 ) ) )
637 {
638 char logfilename[1024];
639 FILE *f;
640 int size;
641 char *logbuffer;
642
643 snprintf( logfilename, sizeof(logfilename), "%s_2pass.log",
644 mlt_properties_get( properties, "passlogfile" ) ? mlt_properties_get( properties, "passlogfile" ) : mlt_properties_get( properties, "target" ) );
645 if ( c->flags & CODEC_FLAG_PASS1 )
646 {
647 f = fopen( logfilename, "w" );
648 if ( !f )
649 perror( logfilename );
650 else
651 mlt_properties_set_data( properties, "_logfile", f, 0, ( mlt_destructor )fclose, NULL );
652 }
653 else
654 {
655 /* read the log file */
656 f = fopen( logfilename, "r" );
657 if ( !f )
658 {
659 perror(logfilename);
660 }
661 else
662 {
663 mlt_properties_set( properties, "_logfilename", logfilename );
664 fseek( f, 0, SEEK_END );
665 size = ftell( f );
666 fseek( f, 0, SEEK_SET );
667 logbuffer = av_malloc( size + 1 );
668 if ( !logbuffer )
669 fprintf( stderr, "%s: Could not allocate log buffer\n", __FILE__ );
670 else
671 {
672 size = fread( logbuffer, 1, size, f );
673 fclose( f );
674 logbuffer[size] = '\0';
675 c->stats_in = logbuffer;
676 mlt_properties_set_data( properties, "_logbuffer", logbuffer, 0, ( mlt_destructor )av_free, NULL );
677 }
678 }
679 }
680 }
681 }
682 else
683 {
684 fprintf( stderr, "%s: Could not allocate a stream for video\n", __FILE__ );
685 }
686
687 return st;
688 }
689
690 static AVFrame *alloc_picture( int pix_fmt, int width, int height )
691 {
692 // Allocate a frame
693 AVFrame *picture = avcodec_alloc_frame();
694
695 // Determine size of the
696 int size = avpicture_get_size(pix_fmt, width, height);
697
698 // Allocate the picture buf
699 uint8_t *picture_buf = av_malloc(size);
700
701 // If we have both, then fill the image
702 if ( picture != NULL && picture_buf != NULL )
703 {
704 // Fill the frame with the allocated buffer
705 avpicture_fill( (AVPicture *)picture, picture_buf, pix_fmt, width, height);
706 }
707 else
708 {
709 // Something failed - clean up what we can
710 av_free( picture );
711 av_free( picture_buf );
712 picture = NULL;
713 }
714
715 return picture;
716 }
717
718 static int open_video(AVFormatContext *oc, AVStream *st)
719 {
720 // Get the codec
721 AVCodecContext *video_enc = st->codec;
722
723 // find the video encoder
724 AVCodec *codec = avcodec_find_encoder( video_enc->codec_id );
725
726 if( codec && codec->pix_fmts )
727 {
728 const enum PixelFormat *p = codec->pix_fmts;
729 for( ; *p!=-1; p++ )
730 {
731 if( *p == video_enc->pix_fmt )
732 break;
733 }
734 if( *p == -1 )
735 video_enc->pix_fmt = codec->pix_fmts[ 0 ];
736 }
737
738 // Open the codec safely
739 return codec != NULL && avcodec_open( video_enc, codec ) >= 0;
740 }
741
742 void close_video(AVFormatContext *oc, AVStream *st)
743 {
744 avcodec_close(st->codec);
745 }
746
747 static inline long time_difference( struct timeval *time1 )
748 {
749 struct timeval time2;
750 gettimeofday( &time2, NULL );
751 return time2.tv_sec * 1000000 + time2.tv_usec - time1->tv_sec * 1000000 - time1->tv_usec;
752 }
753
754 /** The main thread - the argument is simply the consumer.
755 */
756
757 static void *consumer_thread( void *arg )
758 {
759 // Map the argument to the object
760 mlt_consumer this = arg;
761
762 // Get the properties
763 mlt_properties properties = MLT_CONSUMER_PROPERTIES( this );
764
765 // Get the terminate on pause property
766 int terminate_on_pause = mlt_properties_get_int( properties, "terminate_on_pause" );
767 int terminated = 0;
768
769 // Determine if feed is slow (for realtime stuff)
770 int real_time_output = mlt_properties_get_int( properties, "real_time" );
771
772 // Time structures
773 struct timeval ante;
774
775 // Get the frame rate
776 double fps = mlt_properties_get_double( properties, "fps" );
777
778 // Get width and height
779 int width = mlt_properties_get_int( properties, "width" );
780 int height = mlt_properties_get_int( properties, "height" );
781 int img_width = width;
782 int img_height = height;
783
784 // Get default audio properties
785 mlt_audio_format aud_fmt = mlt_audio_pcm;
786 int channels = mlt_properties_get_int( properties, "channels" );
787 int frequency = mlt_properties_get_int( properties, "frequency" );
788 int16_t *pcm = NULL;
789 int samples = 0;
790
791 // AVFormat audio buffer and frame size
792 int audio_outbuf_size = 10000;
793 uint8_t *audio_outbuf = av_malloc( audio_outbuf_size );
794 int audio_input_frame_size = 0;
795
796 // AVFormat video buffer and frame count
797 int frame_count = 0;
798 int video_outbuf_size = ( 1024 * 1024 );
799 uint8_t *video_outbuf = av_malloc( video_outbuf_size );
800
801 // Used for the frame properties
802 mlt_frame frame = NULL;
803 mlt_properties frame_properties = NULL;
804
805 // Get the queues
806 mlt_deque queue = mlt_properties_get_data( properties, "frame_queue", NULL );
807 sample_fifo fifo = mlt_properties_get_data( properties, "sample_fifo", NULL );
808
809 // Need two av pictures for converting
810 AVFrame *output = NULL;
811 AVFrame *input = alloc_picture( PIX_FMT_YUV422, width, height );
812
813 // For receiving images from an mlt_frame
814 uint8_t *image;
815 mlt_image_format img_fmt = mlt_image_yuv422;
816
817 // For receiving audio samples back from the fifo
818 int16_t *buffer = av_malloc( 48000 * 2 );
819 int count = 0;
820
821 // Allocate the context
822 AVFormatContext *oc = av_alloc_format_context( );
823
824 // Streams
825 AVStream *audio_st = NULL;
826 AVStream *video_st = NULL;
827
828 // Time stamps
829 double audio_pts = 0;
830 double video_pts = 0;
831
832 // Loop variable
833 int i;
834
835 // Frames despatched
836 long int frames = 0;
837 long int total_time = 0;
838
839 // Determine the format
840 AVOutputFormat *fmt = NULL;
841 char *filename = mlt_properties_get( properties, "target" );
842 char *format = mlt_properties_get( properties, "f" );
843 char *vcodec = mlt_properties_get( properties, "vcodec" );
844 char *acodec = mlt_properties_get( properties, "acodec" );
845
846 // Used to store and override codec ids
847 int audio_codec_id;
848 int video_codec_id;
849
850 // Check for user selected format first
851 if ( format != NULL )
852 fmt = guess_format( format, NULL, NULL );
853
854 // Otherwise check on the filename
855 if ( fmt == NULL && filename != NULL )
856 fmt = guess_format( NULL, filename, NULL );
857
858 // Otherwise default to mpeg
859 if ( fmt == NULL )
860 fmt = guess_format( "mpeg", NULL, NULL );
861
862 // We need a filename - default to stdout?
863 if ( filename == NULL || !strcmp( filename, "" ) )
864 filename = "pipe:";
865
866 // Get the codec ids selected
867 audio_codec_id = fmt->audio_codec;
868 video_codec_id = fmt->video_codec;
869
870 // Check for audio codec overides
871 if ( ( acodec && strcmp( "acodec", "none" ) == 0 ) || mlt_properties_get_int( properties, "an" ) )
872 audio_codec_id = CODEC_ID_NONE;
873 else if ( acodec )
874 {
875 AVCodec *p = avcodec_find_encoder_by_name( acodec );
876 if ( p != NULL )
877 audio_codec_id = p->id;
878 else
879 fprintf( stderr, "%s: audio codec %s unrecognised - ignoring\n", __FILE__, acodec );
880 }
881
882 // Check for video codec overides
883 if ( ( vcodec && strcmp( "vcodec", "none" ) == 0 ) || mlt_properties_get_int( properties, "vn" ) )
884 video_codec_id = CODEC_ID_NONE;
885 else if ( vcodec )
886 {
887 AVCodec *p = avcodec_find_encoder_by_name( vcodec );
888 if ( p != NULL )
889 video_codec_id = p->id;
890 else
891 fprintf( stderr, "%s: video codec %s unrecognised - ignoring\n", __FILE__, vcodec );
892 }
893
894 // Write metadata
895 char *tmp = NULL;
896 int metavalue;
897
898 tmp = mlt_properties_get( properties, "meta.attr.title.markup");
899 if (tmp != NULL) snprintf( oc->title, sizeof(oc->title), "%s", tmp );
900
901 tmp = mlt_properties_get( properties, "meta.attr.comment.markup");
902 if (tmp != NULL) snprintf( oc->comment, sizeof(oc->comment), "%s", tmp );
903
904 tmp = mlt_properties_get( properties, "meta.attr.author.markup");
905 if (tmp != NULL) snprintf( oc->author, sizeof(oc->author), "%s", tmp );
906
907 tmp = mlt_properties_get( properties, "meta.attr.copyright.markup");
908 if (tmp != NULL) snprintf( oc->copyright, sizeof(oc->copyright), "%s", tmp );
909
910 tmp = mlt_properties_get( properties, "meta.attr.album.markup");
911 if (tmp != NULL) snprintf( oc->album, sizeof(oc->album), "%s", tmp );
912
913 metavalue = mlt_properties_get_int( properties, "meta.attr.year.markup");
914 if (metavalue != 0) oc->year = metavalue;
915
916 metavalue = mlt_properties_get_int( properties, "meta.attr.track.markup");
917 if (metavalue != 0) oc->track = metavalue;
918
919 oc->oformat = fmt;
920 snprintf( oc->filename, sizeof(oc->filename), "%s", filename );
921
922 // Add audio and video streams
923 if ( video_codec_id != CODEC_ID_NONE )
924 video_st = add_video_stream( this, oc, video_codec_id );
925 if ( audio_codec_id != CODEC_ID_NONE )
926 audio_st = add_audio_stream( this, oc, audio_codec_id );
927
928 // Set the parameters (even though we have none...)
929 if ( av_set_parameters(oc, NULL) >= 0 )
930 {
931 oc->preload = ( int )( mlt_properties_get_double( properties, "muxpreload" ) * AV_TIME_BASE );
932 oc->max_delay= ( int )( mlt_properties_get_double( properties, "muxdelay" ) * AV_TIME_BASE );
933
934 // Process properties as AVOptions
935 apply_properties( oc, properties, AV_OPT_FLAG_ENCODING_PARAM );
936
937 if ( video_st && !open_video( oc, video_st ) )
938 video_st = NULL;
939 if ( audio_st )
940 audio_input_frame_size = open_audio( oc, audio_st, audio_outbuf_size );
941
942 // Open the output file, if needed
943 if ( !( fmt->flags & AVFMT_NOFILE ) )
944 {
945 if ( url_fopen( &oc->pb, filename, URL_WRONLY ) < 0 )
946 {
947 fprintf( stderr, "%s: Could not open '%s'\n", __FILE__, filename );
948 mlt_properties_set_int( properties, "running", 0 );
949 }
950 }
951
952 // Write the stream header, if any
953 if ( mlt_properties_get_int( properties, "running" ) )
954 av_write_header( oc );
955 }
956 else
957 {
958 fprintf( stderr, "%s: Invalid output format parameters\n", __FILE__ );
959 mlt_properties_set_int( properties, "running", 0 );
960 }
961
962 // Allocate picture
963 if ( video_st )
964 output = alloc_picture( video_st->codec->pix_fmt, width, height );
965
966 // Last check - need at least one stream
967 if ( audio_st == NULL && video_st == NULL )
968 mlt_properties_set_int( properties, "running", 0 );
969
970 // Get the starting time (can ignore the times above)
971 gettimeofday( &ante, NULL );
972
973 // Loop while running
974 while( mlt_properties_get_int( properties, "running" ) && !terminated )
975 {
976 // Get the frame
977 frame = mlt_consumer_rt_frame( this );
978
979 // Check that we have a frame to work with
980 if ( frame != NULL )
981 {
982 // Increment frames despatched
983 frames ++;
984
985 // Default audio args
986 frame_properties = MLT_FRAME_PROPERTIES( frame );
987
988 // Check for the terminated condition
989 terminated = terminate_on_pause && mlt_properties_get_double( frame_properties, "_speed" ) == 0.0;
990
991 // Get audio and append to the fifo
992 if ( !terminated && audio_st )
993 {
994 samples = mlt_sample_calculator( fps, frequency, count ++ );
995 mlt_frame_get_audio( frame, &pcm, &aud_fmt, &frequency, &channels, &samples );
996
997 // Create the fifo if we don't have one
998 if ( fifo == NULL )
999 {
1000 fifo = sample_fifo_init( frequency, channels );
1001 mlt_properties_set_data( properties, "sample_fifo", fifo, 0, ( mlt_destructor )sample_fifo_close, NULL );
1002 }
1003
1004 if ( mlt_properties_get_double( frame_properties, "_speed" ) != 1.0 )
1005 memset( pcm, 0, samples * channels * 2 );
1006
1007 // Append the samples
1008 sample_fifo_append( fifo, pcm, samples * channels );
1009 total_time += ( samples * 1000000 ) / frequency;
1010 }
1011
1012 // Encode the image
1013 if ( !terminated && video_st )
1014 mlt_deque_push_back( queue, frame );
1015 else
1016 mlt_frame_close( frame );
1017 }
1018
1019 // While we have stuff to process, process...
1020 while ( 1 )
1021 {
1022 if (audio_st)
1023 audio_pts = (double)audio_st->pts.val * audio_st->time_base.num / audio_st->time_base.den;
1024 else
1025 audio_pts = 0.0;
1026
1027 if (video_st)
1028 video_pts = (double)video_st->pts.val * video_st->time_base.num / video_st->time_base.den;
1029 else
1030 video_pts = 0.0;
1031
1032 // Write interleaved audio and video frames
1033 if ( !video_st || ( video_st && audio_st && audio_pts < video_pts ) )
1034 {
1035 if ( channels * audio_input_frame_size < sample_fifo_used( fifo ) )
1036 {
1037 AVCodecContext *c;
1038 AVPacket pkt;
1039 av_init_packet( &pkt );
1040
1041 c = audio_st->codec;
1042
1043 sample_fifo_fetch( fifo, buffer, channels * audio_input_frame_size );
1044
1045 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
1046 // Write the compressed frame in the media file
1047 if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1048 pkt.pts = av_rescale_q( c->coded_frame->pts, c->time_base, audio_st->time_base );
1049 pkt.flags |= PKT_FLAG_KEY;
1050 pkt.stream_index= audio_st->index;
1051 pkt.data= audio_outbuf;
1052
1053 if ( pkt.size )
1054 if ( av_interleaved_write_frame( oc, &pkt ) != 0)
1055 fprintf( stderr, "%s: Error while writing audio frame\n", __FILE__ );
1056
1057 audio_pts += c->frame_size;
1058 }
1059 else
1060 {
1061 break;
1062 }
1063 }
1064 else if ( video_st )
1065 {
1066 if ( mlt_deque_count( queue ) )
1067 {
1068 int out_size, ret;
1069 AVCodecContext *c;
1070
1071 frame = mlt_deque_pop_front( queue );
1072 frame_properties = MLT_FRAME_PROPERTIES( frame );
1073
1074 c = video_st->codec;
1075
1076 if ( mlt_properties_get_int( frame_properties, "rendered" ) )
1077 {
1078 int i = 0;
1079 int j = 0;
1080 uint8_t *p;
1081 uint8_t *q;
1082
1083 mlt_events_fire( properties, "consumer-frame-show", frame, NULL );
1084
1085 mlt_frame_get_image( frame, &image, &img_fmt, &img_width, &img_height, 0 );
1086
1087 q = image;
1088
1089 // Convert the mlt frame to an AVPicture
1090 for ( i = 0; i < height; i ++ )
1091 {
1092 p = input->data[ 0 ] + i * input->linesize[ 0 ];
1093 j = width;
1094 while( j -- )
1095 {
1096 *p ++ = *q ++;
1097 *p ++ = *q ++;
1098 }
1099 }
1100
1101 // Do the colour space conversion
1102 #ifdef SWSCALE
1103 struct SwsContext *context = sws_getContext( width, height, PIX_FMT_YUV422,
1104 width, height, video_st->codec->pix_fmt, SWS_FAST_BILINEAR, NULL, NULL, NULL);
1105 sws_scale( context, input->data, input->linesize, 0, height,
1106 output->data, output->linesize);
1107 sws_freeContext( context );
1108 #else
1109 img_convert( ( AVPicture * )output, video_st->codec->pix_fmt, ( AVPicture * )input, PIX_FMT_YUV422, width, height );
1110 #endif
1111
1112 // Apply the alpha if applicable
1113 if ( video_st->codec->pix_fmt == PIX_FMT_RGBA32 )
1114 {
1115 uint8_t *alpha = mlt_frame_get_alpha_mask( frame );
1116 register int n;
1117
1118 for ( i = 0; i < height; i ++ )
1119 {
1120 n = ( width + 7 ) / 8;
1121 p = output->data[ 0 ] + i * output->linesize[ 0 ];
1122
1123 #ifndef __DARWIN__
1124 p += 3;
1125 #endif
1126
1127 switch( width % 8 )
1128 {
1129 case 0: do { *p = *alpha++; p += 4;
1130 case 7: *p = *alpha++; p += 4;
1131 case 6: *p = *alpha++; p += 4;
1132 case 5: *p = *alpha++; p += 4;
1133 case 4: *p = *alpha++; p += 4;
1134 case 3: *p = *alpha++; p += 4;
1135 case 2: *p = *alpha++; p += 4;
1136 case 1: *p = *alpha++; p += 4;
1137 }
1138 while( --n );
1139 }
1140 }
1141 }
1142 }
1143
1144 if (oc->oformat->flags & AVFMT_RAWPICTURE)
1145 {
1146 // raw video case. The API will change slightly in the near future for that
1147 AVPacket pkt;
1148 av_init_packet(&pkt);
1149
1150 pkt.flags |= PKT_FLAG_KEY;
1151 pkt.stream_index= video_st->index;
1152 pkt.data= (uint8_t *)output;
1153 pkt.size= sizeof(AVPicture);
1154
1155 ret = av_write_frame(oc, &pkt);
1156 video_pts += c->frame_size;
1157 }
1158 else
1159 {
1160 // Set the quality
1161 output->quality = video_st->quality;
1162
1163 // Set frame interlace hints
1164 output->interlaced_frame = !mlt_properties_get_int( frame_properties, "progressive" );
1165 output->top_field_first = mlt_properties_get_int( frame_properties, "top_field_first" );
1166
1167 // Encode the image
1168 out_size = avcodec_encode_video(c, video_outbuf, video_outbuf_size, output );
1169
1170 // If zero size, it means the image was buffered
1171 if (out_size > 0)
1172 {
1173 AVPacket pkt;
1174 av_init_packet( &pkt );
1175
1176 if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1177 pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
1178 if( c->coded_frame && c->coded_frame->key_frame )
1179 pkt.flags |= PKT_FLAG_KEY;
1180 pkt.stream_index= video_st->index;
1181 pkt.data= video_outbuf;
1182 pkt.size= out_size;
1183
1184 // write the compressed frame in the media file
1185 ret = av_interleaved_write_frame(oc, &pkt);
1186 video_pts += c->frame_size;
1187
1188 // Dual pass logging
1189 if ( mlt_properties_get_data( properties, "_logfile", NULL ) && c->stats_out)
1190 fprintf( mlt_properties_get_data( properties, "_logfile", NULL ), "%s", c->stats_out );
1191 }
1192 else
1193 {
1194 fprintf( stderr, "%s: error with video encode\n", __FILE__ );
1195 }
1196 }
1197 frame_count++;
1198 mlt_frame_close( frame );
1199 }
1200 else
1201 {
1202 break;
1203 }
1204 }
1205 }
1206
1207 if ( real_time_output == 1 && frames % 12 == 0 )
1208 {
1209 long passed = time_difference( &ante );
1210 if ( fifo != NULL )
1211 {
1212 long pending = ( ( ( long )sample_fifo_used( fifo ) * 1000 ) / frequency ) * 1000;
1213 passed -= pending;
1214 }
1215 if ( passed < total_time )
1216 {
1217 long total = ( total_time - passed );
1218 struct timespec t = { total / 1000000, ( total % 1000000 ) * 1000 };
1219 nanosleep( &t, NULL );
1220 }
1221 }
1222 }
1223
1224 #ifdef FLUSH
1225 if ( ! real_time_output )
1226 {
1227 // Flush audio fifo
1228 if ( audio_st && audio_st->codec->frame_size > 1 ) for (;;)
1229 {
1230 AVCodecContext *c = audio_st->codec;
1231 AVPacket pkt;
1232 av_init_packet( &pkt );
1233 pkt.size = 0;
1234
1235 if ( /*( c->capabilities & CODEC_CAP_SMALL_LAST_FRAME ) &&*/
1236 ( channels * audio_input_frame_size < sample_fifo_used( fifo ) ) )
1237 {
1238 sample_fifo_fetch( fifo, buffer, channels * audio_input_frame_size );
1239 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, buffer );
1240 }
1241 if ( pkt.size <= 0 )
1242 pkt.size = avcodec_encode_audio( c, audio_outbuf, audio_outbuf_size, NULL );
1243 if ( pkt.size <= 0 )
1244 break;
1245
1246 // Write the compressed frame in the media file
1247 if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1248 pkt.pts = av_rescale_q( c->coded_frame->pts, c->time_base, audio_st->time_base );
1249 pkt.flags |= PKT_FLAG_KEY;
1250 pkt.stream_index = audio_st->index;
1251 pkt.data = audio_outbuf;
1252 if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
1253 {
1254 fprintf( stderr, "%s: Error while writing flushed audio frame\n", __FILE__ );
1255 break;
1256 }
1257 }
1258
1259 // Flush video
1260 if ( video_st && !( oc->oformat->flags & AVFMT_RAWPICTURE ) ) for (;;)
1261 {
1262 AVCodecContext *c = video_st->codec;
1263 AVPacket pkt;
1264 av_init_packet( &pkt );
1265
1266 // Encode the image
1267 pkt.size = avcodec_encode_video( c, video_outbuf, video_outbuf_size, NULL );
1268 if ( pkt.size <= 0 )
1269 break;
1270
1271 if ( c->coded_frame && c->coded_frame->pts != AV_NOPTS_VALUE )
1272 pkt.pts= av_rescale_q( c->coded_frame->pts, c->time_base, video_st->time_base );
1273 if( c->coded_frame && c->coded_frame->key_frame )
1274 pkt.flags |= PKT_FLAG_KEY;
1275 pkt.stream_index = video_st->index;
1276 pkt.data = video_outbuf;
1277
1278 // write the compressed frame in the media file
1279 if ( av_interleaved_write_frame( oc, &pkt ) != 0 )
1280 {
1281 fprintf( stderr, "%s: Error while writing flushed video frame\n". __FILE__ );
1282 break;
1283 }
1284 }
1285 }
1286 #endif
1287
1288 // close each codec
1289 if (video_st)
1290 close_video(oc, video_st);
1291 if (audio_st)
1292 close_audio(oc, audio_st);
1293
1294 // Write the trailer, if any
1295 av_write_trailer(oc);
1296
1297 // Free the streams
1298 for(i = 0; i < oc->nb_streams; i++)
1299 av_freep(&oc->streams[i]);
1300
1301 // Close the output file
1302 if (!(fmt->flags & AVFMT_NOFILE))
1303 #if LIBAVFORMAT_VERSION_INT >= ((52<<16)+(0<<8)+0)
1304 url_fclose(oc->pb);
1305 #else
1306 url_fclose(&oc->pb);
1307 #endif
1308
1309 // Clean up input and output frames
1310 if ( output )
1311 av_free( output->data[0] );
1312 av_free( output );
1313 av_free( input->data[0] );
1314 av_free( input );
1315 av_free( video_outbuf );
1316 av_free( buffer );
1317
1318 // Free the stream
1319 av_free(oc);
1320
1321 // Just in case we terminated on pause
1322 mlt_properties_set_int( properties, "running", 0 );
1323
1324 mlt_consumer_stopped( this );
1325
1326 if ( mlt_properties_get_int( properties, "pass" ) == 2 )
1327 {
1328 // Remove the dual pass log file
1329 if ( mlt_properties_get( properties, "_logfilename" ) )
1330 remove( mlt_properties_get( properties, "_logfilename" ) );
1331
1332 // Remove the x264 dual pass logs
1333 char *cwd = getcwd( NULL, 0 );
1334 char *file = "x264_2pass.log";
1335 char *full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1336 sprintf( full, "%s/%s", cwd, file );
1337 remove( full );
1338 free( full );
1339 file = "x264_2pass.log.temp";
1340 full = malloc( strlen( cwd ) + strlen( file ) + 2 );
1341 sprintf( full, "%s/%s", cwd, file );
1342 remove( full );
1343 free( full );
1344 free( cwd );
1345 remove( "x264_2pass.log.temp" );
1346 }
1347
1348 return NULL;
1349 }
1350
1351 /** Close the consumer.
1352 */
1353
1354 static void consumer_close( mlt_consumer this )
1355 {
1356 // Stop the consumer
1357 mlt_consumer_stop( this );
1358
1359 // Close the parent
1360 mlt_consumer_close( this );
1361
1362 // Free the memory
1363 free( this );
1364 }
my melted branch