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.m0k.org/>.
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 static hb_work_object_t * getWork( int id )
76 for( w = hb_objects; w; w = w->next )
87 * Job initialization rountine.
89 * Creates work objects for synchronizer, video decoder, video renderer, video decoder, audio decoder, audio encoder, reader, muxer.
90 * Launches thread for each work object with work_loop.
91 * Loops while monitoring status of work threads and fifos.
92 * Exits loop when conversion is done and fifos are empty.
93 * Closes threads and frees fifos.
94 * @param job Handle work hb_job_t.
95 * @param cpu_count number of CPUs found in system.
97 static void do_job( hb_job_t * job, int cpu_count )
101 hb_work_object_t * w;
103 /* FIXME: This feels really hackish, anything better? */
104 hb_work_object_t * audio_w = NULL;
105 hb_work_object_t * sub_w = NULL;
108 hb_subtitle_t * subtitle;
110 unsigned int subtitle_highest = 0;
111 unsigned int subtitle_highest_id = 0;
112 unsigned int subtitle_lowest = -1;
113 unsigned int subtitle_lowest_id = 0;
114 unsigned int subtitle_forced_id = 0;
115 unsigned int subtitle_hit = 0;
119 job->list_work = hb_list_init();
121 hb_log( "starting job" );
122 hb_log( " + device %s", title->dvd );
123 hb_log( " + title %d, chapter(s) %d to %d", title->index,
124 job->chapter_start, job->chapter_end );
125 if ( job->pixel_ratio == 1 )
127 /* Correct the geometry of the output movie when using PixelRatio */
128 job->height=title->height-job->crop[0]-job->crop[1];
129 job->width=title->width-job->crop[2]-job->crop[3];
131 else if ( job->pixel_ratio == 2 )
134 /* While keeping the DVD storage aspect, resize the job width and height
135 so they fit into the user's specified dimensions. */
136 hb_set_anamorphic_size(job, &job->width, &job->height, &job->pixel_aspect_width, &job->pixel_aspect_height);
139 /* Keep width and height within these boundaries,
140 but ignore for "loose" anamorphic encodes, for
141 which this stuff is covered in the pixel_ratio
142 section right above.*/
143 if (job->maxHeight && (job->height > job->maxHeight) && (job->pixel_ratio != 2))
145 job->height = job->maxHeight;
146 hb_fix_aspect( job, HB_KEEP_HEIGHT );
147 hb_log("Height out of bounds, scaling down to %i", job->maxHeight);
148 hb_log("New dimensions %i * %i", job->width, job->height);
150 if (job->maxWidth && (job->width > job->maxWidth) && (job->pixel_ratio != 2))
152 job->width = job->maxWidth;
153 hb_fix_aspect( job, HB_KEEP_WIDTH );
154 hb_log("Width out of bounds, scaling down to %i", job->maxWidth);
155 hb_log("New dimensions %i * %i", job->width, job->height);
158 hb_log( " + %dx%d -> %dx%d, crop %d/%d/%d/%d",
159 title->width, title->height, job->width, job->height,
160 job->crop[0], job->crop[1], job->crop[2], job->crop[3] );
162 if ( job->grayscale )
163 hb_log( " + grayscale mode" );
167 int detelecine_present = 0;
170 for( i = 0; i < hb_list_count( job->filters ); i++ )
172 hb_filter_object_t * filter = hb_list_item( job->filters, i );
173 if (filter->id == FILTER_DETELECINE)
174 detelecine_present = 1;
178 if (!detelecine_present)
180 /* Allocate the filter. */
181 hb_filter_object_t * filter = malloc( sizeof( hb_filter_object_t ) );
183 /* Copy in the contents of the detelecine struct. */
184 memcpy( filter, &hb_filter_detelecine, sizeof( hb_filter_object_t ) );
186 /* Set the name to a copy of the template name so render.c has something to free. */
187 filter->name = strdup(hb_filter_detelecine.name);
189 /* Add it to the list. */
190 hb_list_add( job->filters, filter );
192 hb_log("work: VFR mode -- adding detelecine filter");
198 hb_log(" + filters");
199 for( i = 0; i < hb_list_count( job->filters ); i++ )
201 hb_filter_object_t * filter = hb_list_item( job->filters, i );
202 if (filter->settings)
203 hb_log(" + %s (%s)", filter->name, filter->settings);
205 hb_log(" + %s (default settings)", filter->name);
211 hb_log( " + video frame rate: variable (detected %.3f fps)", (float) job->vrate /
212 (float) job->vrate_base );
216 hb_log( " + video frame rate: %.3f fps", (float) job->vrate / (float) job->vrate_base);
219 if( job->vquality >= 0.0 && job->vquality <= 1.0 )
221 hb_log( " + video quality %.2f", job->vquality );
225 hb_log( " + video bitrate %d kbps, pass %d", job->vbitrate, job->pass );
228 hb_log (" + PixelRatio: %d, width:%d, height: %d",job->pixel_ratio,job->width, job->height);
229 job->fifo_mpeg2 = hb_fifo_init( 2048 );
230 job->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
231 job->fifo_sync = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
232 job->fifo_render = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
233 job->fifo_mpeg4 = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
235 /* Synchronization */
236 hb_list_add( job->list_work, ( w = getWork( WORK_SYNC ) ) );
241 hb_list_add( job->list_work, ( w = getWork( WORK_DECMPEG2 ) ) );
242 w->fifo_in = job->fifo_mpeg2;
243 w->fifo_out = job->fifo_raw;
246 hb_list_add( job->list_work, ( w = getWork( WORK_RENDER ) ) );
247 w->fifo_in = job->fifo_sync;
248 w->fifo_out = job->fifo_render;
251 switch( job->vcodec )
253 case HB_VCODEC_FFMPEG:
254 hb_log( " + encoder FFmpeg" );
255 w = getWork( WORK_ENCAVCODEC );
258 hb_log( " + encoder XviD" );
259 w = getWork( WORK_ENCXVID );
262 hb_log( " + encoder x264" );
263 if( job->x264opts != NULL && *job->x264opts != '\0' )
264 hb_log( " + x264 options: %s", job->x264opts);
265 w = getWork( WORK_ENCX264 );
268 w->fifo_in = job->fifo_render;
269 w->fifo_out = job->fifo_mpeg4;
270 w->config = &job->config;
272 hb_list_add( job->list_work, w );
274 if( job->select_subtitle && !job->indepth_scan )
277 * Must be second pass of a two pass with subtitle scan enabled, so
278 * add the subtitle that we found on the first pass for use in this
281 if (*(job->select_subtitle))
283 hb_list_add( title->list_subtitle, *( job->select_subtitle ) );
287 for( i=0; i < hb_list_count(title->list_subtitle); i++ )
289 subtitle = hb_list_item( title->list_subtitle, i );
293 hb_log( " + subtitle %x, %s", subtitle->id, subtitle->lang );
295 subtitle->fifo_in = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
296 subtitle->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
299 * Disable forced subtitles if we didn't find any in the scan
300 * so that we display normal subtitles instead.
302 * select_subtitle implies that we did a scan.
304 if( !job->indepth_scan && job->subtitle_force &&
305 job->select_subtitle )
307 if( subtitle->forced_hits == 0 )
309 job->subtitle_force = 0;
313 if (!job->indepth_scan || job->subtitle_force) {
315 * Don't add threads for subtitles when we are scanning, unless
316 * looking for forced subtitles.
321 * Need to copy the prior subtitle structure so that we
322 * don't overwrite the fifos.
324 sub_w = calloc( sizeof( hb_work_object_t ), 1 );
325 sub_w = memcpy( sub_w, w, sizeof( hb_work_object_t ));
327 w = sub_w = getWork( WORK_DECSUB );
329 hb_list_add( job->list_work, sub_w );
330 sub_w->fifo_in = subtitle->fifo_in;
331 sub_w->fifo_out = subtitle->fifo_raw;
336 if( job->audio_mixdowns[0] == HB_AMIXDOWN_AC3 || job->audio_mixdowns[1] == HB_AMIXDOWN_AC3 )
338 /* Hard set correct sample rate for AC3 when libhb
339 mistakenly thinks the audio codec is AAC */
343 if( job->acodec & HB_ACODEC_AC3 )
345 hb_log( " + audio AC3 passthrough" );
347 /* Hard set correct sample rate for AC3 */
352 hb_log( " + audio %d kbps, %d Hz", job->abitrate, job->arate );
353 hb_log( " + encoder %s", ( job->acodec & HB_ACODEC_FAAC ) ?
354 "faac" : ( ( job->acodec & HB_ACODEC_LAME ) ? "lame" :
358 if ( job->dynamic_range_compression )
359 hb_log(" + dynamic range compression: %f", job->dynamic_range_compression);
361 /* if we are doing AC3 passthru (at the codec level, not pass-through),
362 * then remove any non-AC3 audios from the job */
363 /* otherwise, Bad Things will happen */
364 for( i = 0; i < hb_list_count( title->list_audio ); )
366 audio = hb_list_item( title->list_audio, i );
367 if( ( job->acodec & HB_ACODEC_AC3 ) && ( audio->codec != HB_ACODEC_AC3 ) )
369 hb_list_rem( title->list_audio, audio );
376 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
378 audio = hb_list_item( title->list_audio, i );
379 hb_log( " + %x, %s", audio->id, audio->lang );
381 /* sense-check the current mixdown options */
383 /* log the requested mixdown */
384 for (j = 0; j < hb_audio_mixdowns_count; j++) {
385 if (hb_audio_mixdowns[j].amixdown == job->audio_mixdowns[i]) {
386 hb_log( " + Requested mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
391 /* sense-check the requested mixdown */
393 /* audioCodecsSupportMono and audioCodecsSupport6Ch are the same for now,
394 but this may change in the future, so they are separated for flexibility */
395 int audioCodecsSupportMono = ((audio->codec == HB_ACODEC_AC3 ||
396 audio->codec == HB_ACODEC_DCA) && (job->acodec == HB_ACODEC_FAAC || job->acodec == HB_ACODEC_VORBIS));
397 int audioCodecsSupport6Ch = ((audio->codec == HB_ACODEC_AC3 ||
398 audio->codec == HB_ACODEC_DCA) && (job->acodec == HB_ACODEC_FAAC || job->acodec == HB_ACODEC_VORBIS));
400 if( job->audio_mixdowns[i] != HB_AMIXDOWN_AC3 )
402 /* find out what the format of our source audio is */
403 switch (audio->input_channel_layout & HB_INPUT_CH_LAYOUT_DISCRETE_NO_LFE_MASK) {
406 case HB_INPUT_CH_LAYOUT_MONO:
407 /* regardless of what stereo mixdown we've requested, a mono source always get mixed down
408 to mono if we can, and mixed up to stereo if we can't */
409 if (job->audio_mixdowns[i] == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 1) {
410 job->audio_mixdowns[i] = HB_AMIXDOWN_MONO;
412 job->audio_mixdowns[i] = HB_AMIXDOWN_STEREO;
417 case HB_INPUT_CH_LAYOUT_STEREO:
418 /* if we've requested a mono mixdown, and it is supported, then do the mix */
419 /* use stereo if not supported */
420 if (job->audio_mixdowns[i] == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
421 job->audio_mixdowns[i] = HB_AMIXDOWN_STEREO;
422 /* otherwise, preserve stereo regardless of if we requested something higher */
423 } else if (job->audio_mixdowns[i] > HB_AMIXDOWN_STEREO) {
424 job->audio_mixdowns[i] = HB_AMIXDOWN_STEREO;
428 /* dolby (DPL1 aka Dolby Surround = 4.0 matrix-encoded) input */
429 /* the A52 flags don't allow for a way to distinguish between DPL1 and DPL2 on a DVD,
430 so we always assume a DPL1 source for A52_DOLBY */
431 case HB_INPUT_CH_LAYOUT_DOLBY:
432 /* if we've requested a mono mixdown, and it is supported, then do the mix */
433 /* preserve dolby if not supported */
434 if (job->audio_mixdowns[i] == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
435 job->audio_mixdowns[i] = HB_AMIXDOWN_DOLBY;
436 /* otherwise, preserve dolby even if we requested something higher */
437 /* a stereo mixdown will still be honoured here */
438 } else if (job->audio_mixdowns[i] > HB_AMIXDOWN_DOLBY) {
439 job->audio_mixdowns[i] = HB_AMIXDOWN_DOLBY;
444 case HB_INPUT_CH_LAYOUT_3F2R:
445 /* if we've requested a mono mixdown, and it is supported, then do the mix */
446 /* use dpl2 if not supported */
447 if (job->audio_mixdowns[i] == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
448 job->audio_mixdowns[i] = HB_AMIXDOWN_DOLBYPLII;
450 /* check if we have 3F2R input and also have an LFE - i.e. we have a 5.1 source) */
451 if (audio->input_channel_layout & HB_INPUT_CH_LAYOUT_HAS_LFE) {
452 /* we have a 5.1 source */
453 /* if we requested 6ch, but our audio format doesn't support it, then mix to DPLII instead */
454 if (job->audio_mixdowns[i] == HB_AMIXDOWN_6CH && audioCodecsSupport6Ch == 0) {
455 job->audio_mixdowns[i] = HB_AMIXDOWN_DOLBYPLII;
458 /* we have a 5.0 source, so we can't do 6ch conversion
459 default to DPL II instead */
460 if (job->audio_mixdowns[i] > HB_AMIXDOWN_DOLBYPLII) {
461 job->audio_mixdowns[i] = HB_AMIXDOWN_DOLBYPLII;
465 /* all other mixdowns will have been preserved here */
469 case HB_INPUT_CH_LAYOUT_3F1R:
470 /* if we've requested a mono mixdown, and it is supported, then do the mix */
471 /* use dpl1 if not supported */
472 if (job->audio_mixdowns[i] == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
473 job->audio_mixdowns[i] = HB_AMIXDOWN_DOLBY;
475 /* we have a 4.0 or 4.1 source, so we can't do DPLII or 6ch conversion
476 default to DPL I instead */
477 if (job->audio_mixdowns[i] > HB_AMIXDOWN_DOLBY) {
478 job->audio_mixdowns[i] = HB_AMIXDOWN_DOLBY;
481 /* all other mixdowns will have been preserved here */
485 /* if we've requested a mono mixdown, and it is supported, then do the mix */
486 if (job->audio_mixdowns[i] == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 1) {
487 job->audio_mixdowns[i] = HB_AMIXDOWN_MONO;
488 /* mix everything else down to stereo */
490 job->audio_mixdowns[i] = HB_AMIXDOWN_STEREO;
496 /* log the output mixdown */
497 for (j = 0; j < hb_audio_mixdowns_count; j++) {
498 if (hb_audio_mixdowns[j].amixdown == job->audio_mixdowns[i]) {
499 hb_log( " + Actual mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
504 /* we now know we have a valid mixdown for the input source and the audio output format */
505 /* remember the mixdown for this track */
506 audio->amixdown = job->audio_mixdowns[i];
508 audio->config.vorbis.language = audio->lang_simple;
510 /* set up the audio work structures */
511 audio->fifo_in = hb_fifo_init( 2048 );
512 audio->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
513 audio->fifo_sync = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
514 audio->fifo_out = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
518 * Audio Decoder Thread
520 switch( audio->codec )
523 w = getWork( WORK_DECA52 );
526 w = getWork( WORK_DECDCA );
529 w = getWork( WORK_DECAVCODEC );
532 w = getWork( WORK_DECLPCM );
535 w->fifo_in = audio->fifo_in;
536 w->fifo_out = audio->fifo_raw;
537 w->config = &audio->config;
538 w->amixdown = audio->amixdown;
539 w->source_acodec = audio->codec;
541 /* FIXME: This feels really hackish, anything better? */
542 audio_w = calloc( sizeof( hb_work_object_t ), 1 );
543 audio_w = memcpy( audio_w, w, sizeof( hb_work_object_t ));
545 hb_list_add( job->list_work, audio_w );
548 * Audio Encoder Thread
550 if( job->audio_mixdowns[i] != HB_AMIXDOWN_AC3 )
552 switch( job->acodec )
555 w = getWork( WORK_ENCFAAC );
558 w = getWork( WORK_ENCLAME );
560 case HB_ACODEC_VORBIS:
561 w = getWork( WORK_ENCVORBIS );
566 if( job->acodec != HB_ACODEC_AC3 &&
567 job->audio_mixdowns[i] != HB_AMIXDOWN_AC3)
570 * Add the encoder thread if not doing AC-3 pass through
572 w->fifo_in = audio->fifo_sync;
573 w->fifo_out = audio->fifo_out;
574 w->config = &audio->config;
575 w->amixdown = audio->amixdown;
576 w->source_acodec = audio->codec;
578 /* FIXME: This feels really hackish, anything better? */
579 audio_w = calloc( sizeof( hb_work_object_t ), 1 );
580 audio_w = memcpy( audio_w, w, sizeof( hb_work_object_t ));
582 hb_list_add( job->list_work, audio_w );
588 /* Init read & write threads */
589 job->reader = hb_reader_init( job );
591 hb_log( " + output: %s", job->file );
592 job->muxer = hb_muxer_init( job );
596 /* Launch processing threads */
597 for( i = 1; i < hb_list_count( job->list_work ); i++ )
599 w = hb_list_item( job->list_work, i );
600 w->done = &job->done;
601 w->thread_sleep_interval = 10;
603 w->thread = hb_thread_init( w->name, work_loop, w,
608 w = hb_list_item( job->list_work, 0 );
609 w->thread_sleep_interval = 50;
613 if( w->work( w, NULL, NULL ) == HB_WORK_DONE )
618 !hb_fifo_size( job->fifo_sync ) &&
619 !hb_fifo_size( job->fifo_render ) &&
620 !hb_fifo_size( job->fifo_mpeg4 ) )
624 hb_snooze( w->thread_sleep_interval );
626 hb_list_rem( job->list_work, w );
630 /* Close work objects */
631 while( ( w = hb_list_item( job->list_work, 0 ) ) )
633 hb_list_rem( job->list_work, w );
634 hb_thread_close( &w->thread );
637 /* FIXME: This feels really hackish, anything better? */
638 if ( w->id == WORK_DECA52 ||
639 w->id == WORK_DECDCA ||
640 w->id == WORK_DECLPCM ||
641 w->id == WORK_ENCFAAC ||
642 w->id == WORK_ENCLAME ||
643 w->id == WORK_ENCVORBIS )
650 hb_list_close( &job->list_work );
652 /* Stop read & write threads */
653 hb_thread_close( &job->reader );
654 hb_thread_close( &job->muxer );
657 hb_fifo_close( &job->fifo_mpeg2 );
658 hb_fifo_close( &job->fifo_raw );
659 hb_fifo_close( &job->fifo_sync );
660 hb_fifo_close( &job->fifo_render );
661 hb_fifo_close( &job->fifo_mpeg4 );
663 for (i=0; i < hb_list_count(title->list_subtitle); i++) {
664 subtitle = hb_list_item( title->list_subtitle, i);
667 hb_fifo_close( &subtitle->fifo_in );
668 hb_fifo_close( &subtitle->fifo_raw );
671 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
673 audio = hb_list_item( title->list_audio, i );
674 hb_fifo_close( &audio->fifo_in );
675 hb_fifo_close( &audio->fifo_raw );
676 hb_fifo_close( &audio->fifo_sync );
677 hb_fifo_close( &audio->fifo_out );
680 if( job->indepth_scan )
683 * Before closing the title print out our subtitle stats if we need to
684 * Find the highest and lowest.
686 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
688 subtitle = hb_list_item( title->list_subtitle, i );
689 hb_log( "Subtitle stream 0x%x '%s': %d hits (%d forced)",
690 subtitle->id, subtitle->lang, subtitle->hits,
691 subtitle->forced_hits );
692 if( subtitle->hits > subtitle_highest )
694 subtitle_highest = subtitle->hits;
695 subtitle_highest_id = subtitle->id;
698 if( subtitle->hits < subtitle_lowest )
700 subtitle_lowest = subtitle->hits;
701 subtitle_lowest_id = subtitle->id;
704 if( subtitle->forced_hits > 0 )
706 if( subtitle_forced_id == 0 )
708 subtitle_forced_id = subtitle->id;
713 if( job->native_language ) {
715 * We still have a native_language, so the audio and subtitles are
716 * different, so in this case it is a foreign film and we want to
717 * select the subtitle with the highest hits in our language.
719 subtitle_hit = subtitle_highest_id;
720 hb_log( "Found a native-language subtitle id 0x%x", subtitle_hit);
722 if( subtitle_forced_id )
725 * If there are any subtitle streams with forced subtitles
726 * then select it in preference to the lowest.
728 subtitle_hit = subtitle_forced_id;
729 hb_log("Found a subtitle candidate id 0x%x (contains forced subs)",
731 } else if( subtitle_lowest < subtitle_highest )
734 * OK we have more than one, and the lowest is lower,
735 * but how much lower to qualify for turning it on by
738 * Let's say 10% as a default.
740 if( subtitle_lowest < ( subtitle_highest * 0.1 ) )
742 subtitle_hit = subtitle_lowest_id;
743 hb_log( "Found a subtitle candidate id 0x%x",
746 hb_log( "No candidate subtitle detected during subtitle-scan");
752 if( job->select_subtitle )
754 if( job->indepth_scan )
756 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
758 subtitle = hb_list_item( title->list_subtitle, i );
759 if( subtitle->id == subtitle_hit )
761 hb_list_rem( title->list_subtitle, subtitle );
762 *( job->select_subtitle ) = subtitle;
767 * Must be the end of pass 0 or 2 - we don't need this anymore.
769 * Have to put the subtitle list back together in the title though
770 * or the GUI will have a hissy fit.
772 free( job->select_subtitle );
773 job->select_subtitle = NULL;
779 for( i = 0; i < hb_list_count( job->filters ); i++ )
781 hb_filter_object_t * filter = hb_list_item( job->filters, i );
782 hb_filter_close( &filter );
784 hb_list_close( &job->filters );
787 hb_buffer_pool_free();
789 hb_title_close( &job->title );
794 * Performs the work objects specific work function.
795 * Loops calling work function for associated work object. Sleeps when fifo is full.
796 * Monitors work done indicator.
797 * Exits loop when work indiactor is set.
798 * @param _w Handle to work object.
800 static void work_loop( void * _w )
802 hb_work_object_t * w = _w;
803 hb_buffer_t * buf_in, * buf_out;
808 hb_lock( job->pause );
809 hb_unlock( job->pause );
811 if( hb_fifo_is_full( w->fifo_out ) ||
812 // if( (hb_fifo_percent_full( w->fifo_out ) > 0.8) ||
813 !( buf_in = hb_fifo_get( w->fifo_in ) ) )
815 hb_snooze( w->thread_sleep_interval );
816 // w->thread_sleep_interval += 1;
819 // w->thread_sleep_interval = MAX(1, (w->thread_sleep_interval - 1));
821 w->work( w, &buf_in, &buf_out );
823 // Propagate any chapter breaks for the worker if and only if the
824 // output frame has the same time stamp as the input frame (any
825 // worker that delays frames has to propagate the chapter marks itself
826 // and workers that move chapter marks to a different time should set
827 // 'buf_in' to NULL so that this code won't generate spurious duplicates.)
828 if( buf_in && buf_out && buf_in->new_chap && buf_in->start == buf_out->start)
830 hb_log("work %s: Copying Chapter Break @ %lld", w->name, buf_in->start);
831 buf_out->new_chap = 1;
836 hb_buffer_close( &buf_in );
840 hb_fifo_push( w->fifo_out, buf_out );