1 /* $Id: work.c,v 1.43 2005/03/17 16:38:49 titer Exp $
3 This file is part of the HandBrake source code.
4 Homepage: <http://handbrake.fr/>.
5 It may be used under the terms of the GNU General Public License. */
8 #include "a52dec/a52.h"
14 hb_job_t ** current_job;
21 static void work_func();
22 static void do_job( hb_job_t *, int cpu_count );
23 static void work_loop( void * );
25 #define FIFO_CPU_MULT 8
28 * Allocates work object and launches work thread with work_func.
29 * @param jobs Handle to hb_list_t.
30 * @param cpu_count Humber of CPUs found in system.
31 * @param die Handle to user inititated exit indicator.
32 * @param error Handle to error indicator.
34 hb_thread_t * hb_work_init( hb_list_t * jobs, int cpu_count,
35 volatile int * die, int * error, hb_job_t ** job )
37 hb_work_t * work = calloc( sizeof( hb_work_t ), 1 );
40 work->current_job = job;
41 work->cpu_count = cpu_count;
45 return hb_thread_init( "work", work_func, work, HB_LOW_PRIORITY );
49 * Iterates through job list and calls do_job for each job.
50 * @param _work Handle work object.
52 static void work_func( void * _work )
54 hb_work_t * work = _work;
57 hb_log( "%d job(s) to process", hb_list_count( work->jobs ) );
59 while( !*work->die && ( job = hb_list_item( work->jobs, 0 ) ) )
61 hb_list_rem( work->jobs, job );
63 *(work->current_job) = job;
64 do_job( job, work->cpu_count );
65 *(work->current_job) = NULL;
68 *(work->error) = HB_ERROR_NONE;
73 hb_work_object_t * hb_get_work( int id )
76 for( w = hb_objects; w; w = w->next )
80 hb_work_object_t *wc = malloc( sizeof(*w) );
88 hb_work_object_t * hb_codec_decoder( int codec )
92 case HB_ACODEC_AC3: return hb_get_work( WORK_DECA52 );
93 case HB_ACODEC_DCA: return hb_get_work( WORK_DECDCA );
94 case HB_ACODEC_MPGA: return hb_get_work( WORK_DECAVCODEC );
95 case HB_ACODEC_LPCM: return hb_get_work( WORK_DECLPCM );
96 case HB_ACODEC_FFMPEG: return hb_get_work( WORK_DECAVCODECAI );
101 hb_work_object_t * hb_codec_encoder( int codec )
105 case HB_ACODEC_FAAC: return hb_get_work( WORK_ENCFAAC );
106 case HB_ACODEC_LAME: return hb_get_work( WORK_ENCLAME );
107 case HB_ACODEC_VORBIS: return hb_get_work( WORK_ENCVORBIS );
113 * Job initialization rountine.
115 * Creates work objects for synchronizer, video decoder, video renderer, video decoder, audio decoder, audio encoder, reader, muxer.
116 * Launches thread for each work object with work_loop.
117 * Loops while monitoring status of work threads and fifos.
118 * Exits loop when conversion is done and fifos are empty.
119 * Closes threads and frees fifos.
120 * @param job Handle work hb_job_t.
121 * @param cpu_count number of CPUs found in system.
123 static void do_job( hb_job_t * job, int cpu_count )
127 hb_work_object_t * w;
130 hb_subtitle_t * subtitle;
131 unsigned int subtitle_highest = 0;
132 unsigned int subtitle_highest_id = 0;
133 unsigned int subtitle_lowest = -1;
134 unsigned int subtitle_lowest_id = 0;
135 unsigned int subtitle_forced_id = 0;
136 unsigned int subtitle_hit = 0;
140 job->list_work = hb_list_init();
142 hb_log( "starting job" );
143 hb_log( " + device %s", title->dvd );
144 hb_log( " + title %d, chapter(s) %d to %d", title->index,
145 job->chapter_start, job->chapter_end );
146 if ( job->pixel_ratio == 1 )
148 /* Correct the geometry of the output movie when using PixelRatio */
149 job->height=title->height-job->crop[0]-job->crop[1];
150 job->width=title->width-job->crop[2]-job->crop[3];
152 else if ( job->pixel_ratio == 2 )
155 /* While keeping the DVD storage aspect, resize the job width and height
156 so they fit into the user's specified dimensions. */
157 hb_set_anamorphic_size(job, &job->width, &job->height, &job->pixel_aspect_width, &job->pixel_aspect_height);
160 if( job->pixel_ratio && job->vcodec == HB_VCODEC_FFMPEG)
162 /* Just to make working with ffmpeg even more fun,
163 lavc's MPEG-4 encoder can't handle PAR values >= 255,
164 even though AVRational does. Adjusting downwards
165 distorts the display aspect slightly, but such is life. */
166 while ((job->pixel_aspect_width & ~0xFF) ||
167 (job->pixel_aspect_height & ~0xFF))
169 job->pixel_aspect_width >>= 1;
170 job->pixel_aspect_height >>= 1;
174 /* Keep width and height within these boundaries,
175 but ignore for "loose" anamorphic encodes, for
176 which this stuff is covered in the pixel_ratio
177 section right above.*/
178 if (job->maxHeight && (job->height > job->maxHeight) && (job->pixel_ratio != 2))
180 job->height = job->maxHeight;
181 hb_fix_aspect( job, HB_KEEP_HEIGHT );
182 hb_log("Height out of bounds, scaling down to %i", job->maxHeight);
183 hb_log("New dimensions %i * %i", job->width, job->height);
185 if (job->maxWidth && (job->width > job->maxWidth) && (job->pixel_ratio != 2))
187 job->width = job->maxWidth;
188 hb_fix_aspect( job, HB_KEEP_WIDTH );
189 hb_log("Width out of bounds, scaling down to %i", job->maxWidth);
190 hb_log("New dimensions %i * %i", job->width, job->height);
193 hb_log( " + %dx%d -> %dx%d, crop %d/%d/%d/%d",
194 title->width, title->height, job->width, job->height,
195 job->crop[0], job->crop[1], job->crop[2], job->crop[3] );
197 if ( job->grayscale )
198 hb_log( " + grayscale mode" );
202 job->vrate_base = title->rate_base;
204 int detelecine_present = 0;
207 for( i = 0; i < hb_list_count( job->filters ); i++ )
209 hb_filter_object_t * filter = hb_list_item( job->filters, i );
210 if (filter->id == FILTER_DETELECINE)
211 detelecine_present = 1;
215 if (!detelecine_present)
217 /* Allocate the filter. */
218 hb_filter_object_t * filter = malloc( sizeof( hb_filter_object_t ) );
220 /* Copy in the contents of the detelecine struct. */
221 memcpy( filter, &hb_filter_detelecine, sizeof( hb_filter_object_t ) );
223 /* Set the name to a copy of the template name so render.c has something to free. */
224 filter->name = strdup(hb_filter_detelecine.name);
226 /* Add it to the list. */
227 hb_list_add( job->filters, filter );
229 hb_log("work: VFR mode -- adding detelecine filter");
233 if( hb_list_count( job->filters ) )
235 hb_log(" + filters");
236 for( i = 0; i < hb_list_count( job->filters ); i++ )
238 hb_filter_object_t * filter = hb_list_item( job->filters, i );
239 if (filter->settings)
240 hb_log(" + %s (%s)", filter->name, filter->settings);
242 hb_log(" + %s (default settings)", filter->name);
248 hb_log( " + video frame rate: %.3f fps -> variable fps", (float) job->vrate /
249 (float) job->vrate_base );
253 hb_log( " + video frame rate: %.3f fps", (float) job->vrate / (float) job->vrate_base);
256 if( job->vquality >= 0.0 && job->vquality <= 1.0 )
258 hb_log( " + video quality %.2f", job->vquality );
262 hb_log( " + video bitrate %d kbps, pass %d", job->vbitrate, job->pass );
265 hb_log (" + PixelRatio: %d, width:%d, height: %d",job->pixel_ratio,job->width, job->height);
266 job->fifo_mpeg2 = hb_fifo_init( 256 );
267 job->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
268 job->fifo_sync = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
269 job->fifo_render = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
270 job->fifo_mpeg4 = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
272 /* Synchronization */
273 hb_list_add( job->list_work, ( w = hb_get_work( WORK_SYNC ) ) );
278 int vcodec = title->video_codec? title->video_codec : WORK_DECMPEG2;
279 hb_list_add( job->list_work, ( w = hb_get_work( vcodec ) ) );
280 w->codec_param = title->video_codec_param;
281 w->fifo_in = job->fifo_mpeg2;
282 w->fifo_out = job->fifo_raw;
285 hb_list_add( job->list_work, ( w = hb_get_work( WORK_RENDER ) ) );
286 w->fifo_in = job->fifo_sync;
287 w->fifo_out = job->fifo_render;
289 if( !job->indepth_scan )
293 switch( job->vcodec )
295 case HB_VCODEC_FFMPEG:
296 hb_log( " + encoder FFmpeg" );
297 w = hb_get_work( WORK_ENCAVCODEC );
300 hb_log( " + encoder XviD" );
301 w = hb_get_work( WORK_ENCXVID );
304 hb_log( " + encoder x264" );
305 if( job->x264opts != NULL && *job->x264opts != '\0' )
306 hb_log( " + x264 options: %s", job->x264opts);
307 w = hb_get_work( WORK_ENCX264 );
309 case HB_VCODEC_THEORA:
310 hb_log( " + encoder Theora" );
311 w = hb_get_work( WORK_ENCTHEORA );
314 w->fifo_in = job->fifo_render;
315 w->fifo_out = job->fifo_mpeg4;
316 w->config = &job->config;
318 hb_list_add( job->list_work, w );
321 if( job->select_subtitle && !job->indepth_scan )
324 * Must be second pass of a two pass with subtitle scan enabled, so
325 * add the subtitle that we found on the first pass for use in this
328 if (*(job->select_subtitle))
330 hb_list_add( title->list_subtitle, *( job->select_subtitle ) );
334 for( i=0; i < hb_list_count(title->list_subtitle); i++ )
336 subtitle = hb_list_item( title->list_subtitle, i );
340 hb_log( " + subtitle %x, %s", subtitle->id, subtitle->lang );
342 subtitle->fifo_in = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
343 subtitle->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
346 * Disable forced subtitles if we didn't find any in the scan
347 * so that we display normal subtitles instead.
349 * select_subtitle implies that we did a scan.
351 if( !job->indepth_scan && job->subtitle_force &&
352 job->select_subtitle )
354 if( subtitle->forced_hits == 0 )
356 job->subtitle_force = 0;
360 if (!job->indepth_scan || job->subtitle_force) {
362 * Don't add threads for subtitles when we are scanning, unless
363 * looking for forced subtitles.
365 w = hb_get_work( WORK_DECSUB );
366 w->fifo_in = subtitle->fifo_in;
367 w->fifo_out = subtitle->fifo_raw;
368 hb_list_add( job->list_work, w );
373 if( !job->indepth_scan )
375 /* if we are doing passthru, and the input codec is not the same as the output
376 * codec, then remove this audio from the job */
377 /* otherwise, Bad Things will happen */
378 for( i = 0; i < hb_list_count( title->list_audio ); )
380 audio = hb_list_item( title->list_audio, i );
381 if( ( ( audio->config.out.codec == HB_ACODEC_AC3 ) && ( audio->config.in.codec != HB_ACODEC_AC3 ) ) ||
382 ( ( audio->config.out.codec == HB_ACODEC_DCA ) && ( audio->config.in.codec != HB_ACODEC_DCA ) ) )
384 hb_log( "Passthru requested and input codec is not the same as output codec for track %d",
385 audio->config.out.track );
386 hb_list_rem( title->list_audio, audio );
390 /* Adjust output track number, in case we removed one.
391 * Output tracks sadly still need to be in sequential order.
393 audio->config.out.track = i++;
396 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
398 audio = hb_list_item( title->list_audio, i );
399 hb_log( " + audio track %d", audio->config.out.track );
400 hb_log( " + input track %d", audio->config.in.track );
401 if( (audio->config.out.codec == HB_ACODEC_AC3) || (audio->config.out.codec == HB_ACODEC_DCA) )
403 hb_log( " + %s passthrough", (audio->config.out.codec == HB_ACODEC_AC3) ?
408 hb_log( " + audio %d kbps, %d Hz", audio->config.out.bitrate, audio->config.out.samplerate );
409 hb_log( " + encoder %s", ( audio->config.out.codec == HB_ACODEC_FAAC ) ?
410 "faac" : ( ( audio->config.out.codec == HB_ACODEC_LAME ) ? "lame" :
412 if ( audio->config.out.dynamic_range_compression > 1 )
413 hb_log(" + dynamic range compression: %f", audio->config.out.dynamic_range_compression);
416 hb_log( " + %x, %s", audio->id, audio->config.lang.description );
418 if( audio->config.out.codec != audio->config.in.codec )
420 /* sense-check the current mixdown options */
422 /* log the requested mixdown */
423 for (j = 0; j < hb_audio_mixdowns_count; j++) {
424 if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
425 hb_log( " + Requested mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
430 /* sense-check the requested mixdown */
432 if( audio->config.out.mixdown == 0 &&
433 audio->config.out.codec != HB_ACODEC_AC3 )
436 * Mixdown wasn't specified and this is not pass-through,
437 * set a default mixdown of stereo.
439 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
442 // Here we try to sanitize the audio input to output mapping.
444 // 1. only the AC3 & DCA decoder libraries currently support mixdown
445 // 2. the lame encoder library only supports stereo.
446 // So if the encoder is lame we need the output to be stereo (or multichannel
447 // matrixed into stereo like dpl). If the decoder is not AC3 or DCA the
448 // encoder has to handle the input format since we can't do a mixdown.
449 #define CAN_MIXDOWN(a) ( a->config.in.codec & (HB_ACODEC_AC3|HB_ACODEC_DCA) )
450 #define STEREO_ONLY(a) ( a->config.out.codec & HB_ACODEC_LAME )
452 switch (audio->config.in.channel_layout & HB_INPUT_CH_LAYOUT_DISCRETE_NO_LFE_MASK)
454 // stereo input or something not handled below
456 case HB_INPUT_CH_LAYOUT_STEREO:
457 // mono gets mixed up to stereo & more than stereo gets mixed down
458 if ( STEREO_ONLY( audio ) ||
459 audio->config.out.mixdown > HB_AMIXDOWN_STEREO)
461 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
466 case HB_INPUT_CH_LAYOUT_MONO:
467 if ( STEREO_ONLY( audio ) )
469 if ( !CAN_MIXDOWN( audio ) )
471 // XXX we're hosed - we can't mix up & lame can't handle
472 // the input format. The user shouldn't be able to make
473 // this choice. It's too late to do anything about it now
474 // so complain in the log & let things abort in lame.
475 hb_log( "ERROR - can't use lame mp3 audio output with "
476 "mono audio stream %x - output will be messed up",
479 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
483 // everything else passes through
484 audio->config.out.mixdown = HB_AMIXDOWN_MONO;
488 // dolby (DPL1 aka Dolby Surround = 4.0 matrix-encoded) input
489 // the A52 flags don't allow for a way to distinguish between DPL1 and
490 // DPL2 on a DVD so we always assume a DPL1 source for A52_DOLBY.
491 case HB_INPUT_CH_LAYOUT_DOLBY:
492 if ( STEREO_ONLY( audio ) || !CAN_MIXDOWN( audio ) ||
493 audio->config.out.mixdown > HB_AMIXDOWN_DOLBY )
495 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
499 // 4 channel discrete
500 case HB_INPUT_CH_LAYOUT_2F2R:
501 case HB_INPUT_CH_LAYOUT_3F1R:
502 if ( CAN_MIXDOWN( audio ) )
504 if ( STEREO_ONLY( audio ) ||
505 audio->config.out.mixdown > HB_AMIXDOWN_DOLBY )
507 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
512 // XXX we can't mixdown & don't have any way to specify
513 // 4 channel discrete output so we're hosed.
514 hb_log( "ERROR - can't handle 4 channel discrete audio stream "
515 "%x - output will be messed up", audio->id );
519 // 5 or 6 channel discrete
520 case HB_INPUT_CH_LAYOUT_3F2R:
521 if ( CAN_MIXDOWN( audio ) )
523 if ( STEREO_ONLY( audio ) )
525 if ( audio->config.out.mixdown < HB_AMIXDOWN_STEREO )
527 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
529 else if ( audio->config.out.mixdown > HB_AMIXDOWN_DOLBYPLII )
531 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
534 else if ( ! ( audio->config.in.channel_layout &
535 HB_INPUT_CH_LAYOUT_HAS_LFE ) )
537 // we don't do 5 channel discrete so mixdown to DPLII
538 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
541 else if ( ! ( audio->config.in.channel_layout &
542 HB_INPUT_CH_LAYOUT_HAS_LFE ) )
544 // XXX we can't mixdown & don't have any way to specify
545 // 5 channel discrete output so we're hosed.
546 hb_log( "ERROR - can't handle 5 channel discrete audio stream "
547 "%x - output will be messed up", audio->id );
551 // we can't mixdown so force 6 channel discrete
552 audio->config.out.mixdown = HB_AMIXDOWN_6CH;
557 /* log the output mixdown */
558 for (j = 0; j < hb_audio_mixdowns_count; j++) {
559 if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
560 hb_log( " + Actual mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
566 if (audio->config.out.codec == HB_ACODEC_VORBIS)
567 audio->priv.config.vorbis.language = audio->config.lang.simple;
569 /* set up the audio work structures */
570 audio->priv.fifo_in = hb_fifo_init( 32 );
571 audio->priv.fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
572 audio->priv.fifo_sync = hb_fifo_init( 32 );
573 audio->priv.fifo_out = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
577 * Audio Decoder Thread
579 if ( ( w = hb_codec_decoder( audio->config.in.codec ) ) == NULL )
581 hb_error("Invalid input codec: %d", audio->config.in.codec);
585 w->fifo_in = audio->priv.fifo_in;
586 w->fifo_out = audio->priv.fifo_raw;
587 w->config = &audio->priv.config;
589 w->codec_param = audio->config.in.codec_param;
591 hb_list_add( job->list_work, w );
594 * Audio Encoder Thread
596 if( audio->config.out.codec != HB_ACODEC_AC3 )
599 * Add the encoder thread if not doing AC-3 pass through
601 if ( ( w = hb_codec_encoder( audio->config.out.codec ) ) == NULL )
603 hb_error("Invalid audio codec: %#x", audio->config.out.codec);
608 w->fifo_in = audio->priv.fifo_sync;
609 w->fifo_out = audio->priv.fifo_out;
610 w->config = &audio->priv.config;
613 hb_list_add( job->list_work, w );
619 /* Init read & write threads */
620 job->reader = hb_reader_init( job );
622 hb_log( " + output: %s", job->file );
626 /* Launch processing threads */
627 for( i = 1; i < hb_list_count( job->list_work ); i++ )
629 w = hb_list_item( job->list_work, i );
630 w->done = &job->done;
631 w->thread_sleep_interval = 10;
632 if( w->init( w, job ) )
634 hb_error( "Failure to initialise thread '%s'", w->name );
638 w->thread = hb_thread_init( w->name, work_loop, w,
642 // The muxer requires track information that's set up by the encoder
643 // init routines so we have to init the muxer last.
644 job->muxer = job->indepth_scan? NULL : hb_muxer_init( job );
646 w = hb_list_item( job->list_work, 0 );
647 w->thread_sleep_interval = 10;
651 if ( ( w->status = w->work( w, NULL, NULL ) ) == HB_WORK_DONE )
655 hb_snooze( w->thread_sleep_interval );
657 hb_list_rem( job->list_work, w );
662 /* Stop the write thread (thread_close will block until the muxer finishes) */
663 if( job->muxer != NULL )
664 hb_thread_close( &job->muxer );
668 /* Close work objects */
669 while( ( w = hb_list_item( job->list_work, 0 ) ) )
671 hb_list_rem( job->list_work, w );
672 if( w->thread != NULL )
674 hb_thread_close( &w->thread );
680 hb_list_close( &job->list_work );
682 /* Stop the read thread */
683 if( job->reader != NULL )
684 hb_thread_close( &job->reader );
687 hb_fifo_close( &job->fifo_mpeg2 );
688 hb_fifo_close( &job->fifo_raw );
689 hb_fifo_close( &job->fifo_sync );
690 hb_fifo_close( &job->fifo_render );
691 hb_fifo_close( &job->fifo_mpeg4 );
693 for (i=0; i < hb_list_count(title->list_subtitle); i++) {
694 subtitle = hb_list_item( title->list_subtitle, i);
697 hb_fifo_close( &subtitle->fifo_in );
698 hb_fifo_close( &subtitle->fifo_raw );
701 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
703 audio = hb_list_item( title->list_audio, i );
704 if( audio->priv.fifo_in != NULL )
705 hb_fifo_close( &audio->priv.fifo_in );
706 if( audio->priv.fifo_raw != NULL )
707 hb_fifo_close( &audio->priv.fifo_raw );
708 if( audio->priv.fifo_sync != NULL )
709 hb_fifo_close( &audio->priv.fifo_sync );
710 if( audio->priv.fifo_out != NULL )
711 hb_fifo_close( &audio->priv.fifo_out );
714 if( job->indepth_scan )
717 * Before closing the title print out our subtitle stats if we need to
718 * Find the highest and lowest.
720 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
722 subtitle = hb_list_item( title->list_subtitle, i );
723 hb_log( "Subtitle stream 0x%x '%s': %d hits (%d forced)",
724 subtitle->id, subtitle->lang, subtitle->hits,
725 subtitle->forced_hits );
726 if( subtitle->hits > subtitle_highest )
728 subtitle_highest = subtitle->hits;
729 subtitle_highest_id = subtitle->id;
732 if( subtitle->hits < subtitle_lowest )
734 subtitle_lowest = subtitle->hits;
735 subtitle_lowest_id = subtitle->id;
738 if( subtitle->forced_hits > 0 )
740 if( subtitle_forced_id == 0 )
742 subtitle_forced_id = subtitle->id;
747 if( job->native_language ) {
749 * We still have a native_language, so the audio and subtitles are
750 * different, so in this case it is a foreign film and we want to
751 * select the subtitle with the highest hits in our language.
753 subtitle_hit = subtitle_highest_id;
754 hb_log( "Found a native-language subtitle id 0x%x", subtitle_hit);
756 if( subtitle_forced_id )
759 * If there are any subtitle streams with forced subtitles
760 * then select it in preference to the lowest.
762 subtitle_hit = subtitle_forced_id;
763 hb_log("Found a subtitle candidate id 0x%x (contains forced subs)",
765 } else if( subtitle_lowest < subtitle_highest )
768 * OK we have more than one, and the lowest is lower,
769 * but how much lower to qualify for turning it on by
772 * Let's say 10% as a default.
774 if( subtitle_lowest < ( subtitle_highest * 0.1 ) )
776 subtitle_hit = subtitle_lowest_id;
777 hb_log( "Found a subtitle candidate id 0x%x",
780 hb_log( "No candidate subtitle detected during subtitle-scan");
786 if( job->select_subtitle )
788 if( job->indepth_scan )
790 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
792 subtitle = hb_list_item( title->list_subtitle, i );
793 if( subtitle->id == subtitle_hit )
795 hb_list_rem( title->list_subtitle, subtitle );
796 *( job->select_subtitle ) = subtitle;
801 * Must be the end of pass 0 or 2 - we don't need this anymore.
803 * Have to put the subtitle list back together in the title though
804 * or the GUI will have a hissy fit.
806 free( job->select_subtitle );
807 job->select_subtitle = NULL;
813 for( i = 0; i < hb_list_count( job->filters ); i++ )
815 hb_filter_object_t * filter = hb_list_item( job->filters, i );
816 hb_filter_close( &filter );
818 hb_list_close( &job->filters );
821 hb_buffer_pool_free();
823 hb_title_close( &job->title );
828 * Performs the work object's specific work function.
829 * Loops calling work function for associated work object. Sleeps when fifo is full.
830 * Monitors work done indicator.
831 * Exits loop when work indiactor is set.
832 * @param _w Handle to work object.
834 static void work_loop( void * _w )
836 hb_work_object_t * w = _w;
837 hb_buffer_t * buf_in, * buf_out;
842 hb_lock( job->pause );
843 hb_unlock( job->pause );
845 if( hb_fifo_is_full( w->fifo_out ) ||
846 // if( (hb_fifo_percent_full( w->fifo_out ) > 0.8) ||
847 !( buf_in = hb_fifo_get( w->fifo_in ) ) )
849 hb_snooze( w->thread_sleep_interval );
850 // w->thread_sleep_interval += 1;
853 // w->thread_sleep_interval = MAX(1, (w->thread_sleep_interval - 1));
855 w->status = w->work( w, &buf_in, &buf_out );
857 // Propagate any chapter breaks for the worker if and only if the
858 // output frame has the same time stamp as the input frame (any
859 // worker that delays frames has to propagate the chapter marks itself
860 // and workers that move chapter marks to a different time should set
861 // 'buf_in' to NULL so that this code won't generate spurious duplicates.)
862 if( buf_in && buf_out && buf_in->new_chap && buf_in->start == buf_out->start)
864 // restore log below to debug chapter mark propagation problems
865 //hb_log("work %s: Copying Chapter Break @ %lld", w->name, buf_in->start);
866 buf_out->new_chap = buf_in->new_chap;
871 hb_buffer_close( &buf_in );
875 hb_fifo_push( w->fifo_out, buf_out );