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;
128 hb_work_object_t * final_w = NULL;
131 hb_subtitle_t * subtitle;
133 unsigned int subtitle_highest = 0;
134 unsigned int subtitle_highest_id = 0;
135 unsigned int subtitle_lowest = -1;
136 unsigned int subtitle_lowest_id = 0;
137 unsigned int subtitle_forced_id = 0;
138 unsigned int subtitle_hit = 0;
142 job->list_work = hb_list_init();
144 hb_log( "starting job" );
145 hb_log( " + device %s", title->dvd );
146 hb_log( " + title %d, chapter(s) %d to %d", title->index,
147 job->chapter_start, job->chapter_end );
148 if ( job->pixel_ratio == 1 )
150 /* Correct the geometry of the output movie when using PixelRatio */
151 job->height=title->height-job->crop[0]-job->crop[1];
152 job->width=title->width-job->crop[2]-job->crop[3];
154 else if ( job->pixel_ratio == 2 )
157 /* While keeping the DVD storage aspect, resize the job width and height
158 so they fit into the user's specified dimensions. */
159 hb_set_anamorphic_size(job, &job->width, &job->height, &job->pixel_aspect_width, &job->pixel_aspect_height);
162 if( job->pixel_ratio && job->vcodec == HB_VCODEC_FFMPEG)
164 /* Just to make working with ffmpeg even more fun,
165 lavc's MPEG-4 encoder can't handle PAR values >= 255,
166 even though AVRational does. Adjusting downwards
167 distorts the display aspect slightly, but such is life. */
168 while ((job->pixel_aspect_width & ~0xFF) ||
169 (job->pixel_aspect_height & ~0xFF))
171 job->pixel_aspect_width >>= 1;
172 job->pixel_aspect_height >>= 1;
176 /* Keep width and height within these boundaries,
177 but ignore for "loose" anamorphic encodes, for
178 which this stuff is covered in the pixel_ratio
179 section right above.*/
180 if (job->maxHeight && (job->height > job->maxHeight) && (job->pixel_ratio != 2))
182 job->height = job->maxHeight;
183 hb_fix_aspect( job, HB_KEEP_HEIGHT );
184 hb_log("Height out of bounds, scaling down to %i", job->maxHeight);
185 hb_log("New dimensions %i * %i", job->width, job->height);
187 if (job->maxWidth && (job->width > job->maxWidth) && (job->pixel_ratio != 2))
189 job->width = job->maxWidth;
190 hb_fix_aspect( job, HB_KEEP_WIDTH );
191 hb_log("Width out of bounds, scaling down to %i", job->maxWidth);
192 hb_log("New dimensions %i * %i", job->width, job->height);
195 hb_log( " + %dx%d -> %dx%d, crop %d/%d/%d/%d",
196 title->width, title->height, job->width, job->height,
197 job->crop[0], job->crop[1], job->crop[2], job->crop[3] );
199 if ( job->grayscale )
200 hb_log( " + grayscale mode" );
204 job->vrate_base = title->rate_base;
206 int detelecine_present = 0;
209 for( i = 0; i < hb_list_count( job->filters ); i++ )
211 hb_filter_object_t * filter = hb_list_item( job->filters, i );
212 if (filter->id == FILTER_DETELECINE)
213 detelecine_present = 1;
217 if (!detelecine_present)
219 /* Allocate the filter. */
220 hb_filter_object_t * filter = malloc( sizeof( hb_filter_object_t ) );
222 /* Copy in the contents of the detelecine struct. */
223 memcpy( filter, &hb_filter_detelecine, sizeof( hb_filter_object_t ) );
225 /* Set the name to a copy of the template name so render.c has something to free. */
226 filter->name = strdup(hb_filter_detelecine.name);
228 /* Add it to the list. */
229 hb_list_add( job->filters, filter );
231 hb_log("work: VFR mode -- adding detelecine filter");
235 if( hb_list_count( job->filters ) )
237 hb_log(" + filters");
238 for( i = 0; i < hb_list_count( job->filters ); i++ )
240 hb_filter_object_t * filter = hb_list_item( job->filters, i );
241 if (filter->settings)
242 hb_log(" + %s (%s)", filter->name, filter->settings);
244 hb_log(" + %s (default settings)", filter->name);
250 hb_log( " + video frame rate: %.3f fps -> variable fps", (float) job->vrate /
251 (float) job->vrate_base );
255 hb_log( " + video frame rate: %.3f fps", (float) job->vrate / (float) job->vrate_base);
258 if( job->vquality >= 0.0 && job->vquality <= 1.0 )
260 hb_log( " + video quality %.2f", job->vquality );
264 hb_log( " + video bitrate %d kbps, pass %d", job->vbitrate, job->pass );
267 hb_log (" + PixelRatio: %d, width:%d, height: %d",job->pixel_ratio,job->width, job->height);
268 job->fifo_mpeg2 = hb_fifo_init( 2048 );
269 job->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
270 job->fifo_sync = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
271 job->fifo_render = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
272 job->fifo_mpeg4 = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
274 /* Synchronization */
275 hb_list_add( job->list_work, ( w = hb_get_work( WORK_SYNC ) ) );
280 int vcodec = title->video_codec? title->video_codec : WORK_DECMPEG2;
281 hb_list_add( job->list_work, ( w = hb_get_work( vcodec ) ) );
282 w->codec_param = title->video_codec_param;
283 w->fifo_in = job->fifo_mpeg2;
284 w->fifo_out = job->fifo_raw;
287 hb_list_add( job->list_work, ( w = hb_get_work( WORK_RENDER ) ) );
288 w->fifo_in = job->fifo_sync;
289 w->fifo_out = job->fifo_render;
290 if ( job->indepth_scan )
293 * if we're doing a subtitle scan the last thread in the
294 * processing pipeline is render - remember it so we can
295 * wait for its completion below.
301 switch( job->vcodec )
303 case HB_VCODEC_FFMPEG:
304 hb_log( " + encoder FFmpeg" );
305 w = hb_get_work( WORK_ENCAVCODEC );
308 hb_log( " + encoder XviD" );
309 w = hb_get_work( WORK_ENCXVID );
312 hb_log( " + encoder x264" );
313 if( job->x264opts != NULL && *job->x264opts != '\0' )
314 hb_log( " + x264 options: %s", job->x264opts);
315 w = hb_get_work( WORK_ENCX264 );
317 case HB_VCODEC_THEORA:
318 hb_log( " + encoder Theora" );
319 w = hb_get_work( WORK_ENCTHEORA );
322 w->fifo_in = job->fifo_render;
323 w->fifo_out = job->fifo_mpeg4;
324 w->config = &job->config;
326 hb_list_add( job->list_work, w );
327 if ( !job->indepth_scan )
330 * if we're not doing a subtitle scan the last thread in the
331 * processing pipeline is the encoder - remember it so we can
332 * wait for its completion below.
337 if( job->select_subtitle && !job->indepth_scan )
340 * Must be second pass of a two pass with subtitle scan enabled, so
341 * add the subtitle that we found on the first pass for use in this
344 if (*(job->select_subtitle))
346 hb_list_add( title->list_subtitle, *( job->select_subtitle ) );
350 for( i=0; i < hb_list_count(title->list_subtitle); i++ )
352 subtitle = hb_list_item( title->list_subtitle, i );
356 hb_log( " + subtitle %x, %s", subtitle->id, subtitle->lang );
358 subtitle->fifo_in = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
359 subtitle->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
362 * Disable forced subtitles if we didn't find any in the scan
363 * so that we display normal subtitles instead.
365 * select_subtitle implies that we did a scan.
367 if( !job->indepth_scan && job->subtitle_force &&
368 job->select_subtitle )
370 if( subtitle->forced_hits == 0 )
372 job->subtitle_force = 0;
376 if (!job->indepth_scan || job->subtitle_force) {
378 * Don't add threads for subtitles when we are scanning, unless
379 * looking for forced subtitles.
381 w = hb_get_work( WORK_DECSUB );
382 w->fifo_in = subtitle->fifo_in;
383 w->fifo_out = subtitle->fifo_raw;
384 hb_list_add( job->list_work, w );
389 /* if we are doing passthru, and the input codec is not the same as the output
390 * codec, then remove this audio from the job */
391 /* otherwise, Bad Things will happen */
392 for( i = 0; i < hb_list_count( title->list_audio ); )
394 audio = hb_list_item( title->list_audio, i );
395 if( ( ( audio->config.out.codec == HB_ACODEC_AC3 ) && ( audio->config.in.codec != HB_ACODEC_AC3 ) ) ||
396 ( ( audio->config.out.codec == HB_ACODEC_DCA ) && ( audio->config.in.codec != HB_ACODEC_DCA ) ) )
398 hb_log( "Passthru requested and input codec is not the same as output codec for track %d",
399 audio->config.out.track );
400 hb_list_rem( title->list_audio, audio );
404 /* Adjust output track number, in case we removed one.
405 * Output tracks sadly still need to be in sequential order.
407 audio->config.out.track = i++;
410 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
412 audio = hb_list_item( title->list_audio, i );
413 hb_log( " + audio track %d", audio->config.out.track );
414 hb_log( " + input track %d", audio->config.in.track );
415 if( (audio->config.out.codec == HB_ACODEC_AC3) || (audio->config.out.codec == HB_ACODEC_DCA) )
417 hb_log( " + %s passthrough", (audio->config.out.codec == HB_ACODEC_AC3) ?
422 hb_log( " + audio %d kbps, %d Hz", audio->config.out.bitrate, audio->config.out.samplerate );
423 hb_log( " + encoder %s", ( audio->config.out.codec == HB_ACODEC_FAAC ) ?
424 "faac" : ( ( audio->config.out.codec == HB_ACODEC_LAME ) ? "lame" :
426 if ( audio->config.out.dynamic_range_compression > 1 )
427 hb_log(" + dynamic range compression: %f", audio->config.out.dynamic_range_compression);
430 hb_log( " + %x, %s", audio->id, audio->config.lang.description );
432 if( audio->config.out.codec != audio->config.in.codec )
434 /* sense-check the current mixdown options */
436 /* log the requested mixdown */
437 for (j = 0; j < hb_audio_mixdowns_count; j++) {
438 if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
439 hb_log( " + Requested mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
444 /* sense-check the requested mixdown */
446 if( audio->config.out.mixdown == 0 &&
447 audio->config.out.codec != HB_ACODEC_AC3 )
450 * Mixdown wasn't specified and this is not pass-through,
451 * set a default mixdown of stereo.
453 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
456 // Here we try to sanitize the audio input to output mapping.
458 // 1. only the AC3 & DCA decoder libraries currently support mixdown
459 // 2. the lame encoder library only supports stereo.
460 // So if the encoder is lame we need the output to be stereo (or multichannel
461 // matrixed into stereo like dpl). If the decoder is not AC3 or DCA the
462 // encoder has to handle the input format since we can't do a mixdown.
463 #define CAN_MIXDOWN(a) ( a->config.in.codec & (HB_ACODEC_AC3|HB_ACODEC_DCA) )
464 #define STEREO_ONLY(a) ( a->config.out.codec & HB_ACODEC_LAME )
466 switch (audio->config.in.channel_layout & HB_INPUT_CH_LAYOUT_DISCRETE_NO_LFE_MASK)
468 // stereo input or something not handled below
470 case HB_INPUT_CH_LAYOUT_STEREO:
471 // mono gets mixed up to stereo & more than stereo gets mixed down
472 if ( STEREO_ONLY( audio ) ||
473 audio->config.out.mixdown > HB_AMIXDOWN_STEREO)
475 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
480 case HB_INPUT_CH_LAYOUT_MONO:
481 if ( STEREO_ONLY( audio ) )
483 if ( !CAN_MIXDOWN( audio ) )
485 // XXX we're hosed - we can't mix up & lame can't handle
486 // the input format. The user shouldn't be able to make
487 // this choice. It's too late to do anything about it now
488 // so complain in the log & let things abort in lame.
489 hb_log( "ERROR - can't use lame mp3 audio output with "
490 "mono audio stream %x - output will be messed up",
493 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
497 // everything else passes through
498 audio->config.out.mixdown = HB_AMIXDOWN_MONO;
502 // dolby (DPL1 aka Dolby Surround = 4.0 matrix-encoded) input
503 // the A52 flags don't allow for a way to distinguish between DPL1 and
504 // DPL2 on a DVD so we always assume a DPL1 source for A52_DOLBY.
505 case HB_INPUT_CH_LAYOUT_DOLBY:
506 if ( STEREO_ONLY( audio ) || !CAN_MIXDOWN( audio ) ||
507 audio->config.out.mixdown > HB_AMIXDOWN_DOLBY )
509 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
513 // 4 channel discrete
514 case HB_INPUT_CH_LAYOUT_2F2R:
515 case HB_INPUT_CH_LAYOUT_3F1R:
516 if ( CAN_MIXDOWN( audio ) )
518 if ( STEREO_ONLY( audio ) ||
519 audio->config.out.mixdown > HB_AMIXDOWN_DOLBY )
521 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
526 // XXX we can't mixdown & don't have any way to specify
527 // 4 channel discrete output so we're hosed.
528 hb_log( "ERROR - can't handle 4 channel discrete audio stream "
529 "%x - output will be messed up", audio->id );
533 // 5 or 6 channel discrete
534 case HB_INPUT_CH_LAYOUT_3F2R:
535 if ( CAN_MIXDOWN( audio ) )
537 if ( STEREO_ONLY( audio ) )
539 if ( audio->config.out.mixdown < HB_AMIXDOWN_STEREO )
541 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
543 else if ( audio->config.out.mixdown > HB_AMIXDOWN_DOLBYPLII )
545 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
548 else if ( ! ( audio->config.in.channel_layout &
549 HB_INPUT_CH_LAYOUT_HAS_LFE ) )
551 // we don't do 5 channel discrete so mixdown to DPLII
552 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
555 else if ( ! ( audio->config.in.channel_layout &
556 HB_INPUT_CH_LAYOUT_HAS_LFE ) )
558 // XXX we can't mixdown & don't have any way to specify
559 // 5 channel discrete output so we're hosed.
560 hb_log( "ERROR - can't handle 5 channel discrete audio stream "
561 "%x - output will be messed up", audio->id );
565 // we can't mixdown so force 6 channel discrete
566 audio->config.out.mixdown = HB_AMIXDOWN_6CH;
571 /* log the output mixdown */
572 for (j = 0; j < hb_audio_mixdowns_count; j++) {
573 if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
574 hb_log( " + Actual mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
580 if (audio->config.out.codec == HB_ACODEC_VORBIS)
581 audio->priv.config.vorbis.language = audio->config.lang.simple;
583 /* set up the audio work structures */
584 audio->priv.fifo_in = hb_fifo_init( 256 );
585 audio->priv.fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
586 audio->priv.fifo_sync = hb_fifo_init( 256 );
587 audio->priv.fifo_out = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
591 * Audio Decoder Thread
593 if ( ( w = hb_codec_decoder( audio->config.in.codec ) ) == NULL )
595 hb_error("Invalid input codec: %d", audio->config.in.codec);
599 w->fifo_in = audio->priv.fifo_in;
600 w->fifo_out = audio->priv.fifo_raw;
601 w->config = &audio->priv.config;
603 w->codec_param = audio->config.in.codec_param;
605 hb_list_add( job->list_work, w );
608 * Audio Encoder Thread
610 if( audio->config.out.codec != HB_ACODEC_AC3 )
613 * Add the encoder thread if not doing AC-3 pass through
615 if ( ( w = hb_codec_encoder( audio->config.out.codec ) ) == NULL )
617 hb_error("Invalid audio codec: %#x", audio->config.out.codec);
622 w->fifo_in = audio->priv.fifo_sync;
623 w->fifo_out = audio->priv.fifo_out;
624 w->config = &audio->priv.config;
627 hb_list_add( job->list_work, w );
631 /* Init read & write threads */
632 job->reader = hb_reader_init( job );
634 hb_log( " + output: %s", job->file );
635 job->muxer = hb_muxer_init( job );
639 /* Launch processing threads */
640 for( i = 1; i < hb_list_count( job->list_work ); i++ )
642 w = hb_list_item( job->list_work, i );
643 w->done = &job->done;
644 w->thread_sleep_interval = 10;
646 w->thread = hb_thread_init( w->name, work_loop, w,
651 w = hb_list_item( job->list_work, 0 );
652 w->thread_sleep_interval = 50;
656 if( ( w->status = w->work( w, NULL, NULL ) ) == HB_WORK_DONE )
661 final_w->status == HB_WORK_DONE &&
662 !hb_fifo_size( job->fifo_mpeg4 ) )
666 hb_snooze( w->thread_sleep_interval );
668 hb_list_rem( job->list_work, w );
674 /* Close work objects */
675 while( ( w = hb_list_item( job->list_work, 0 ) ) )
677 hb_list_rem( job->list_work, w );
678 if( w->thread != NULL )
680 hb_thread_close( &w->thread );
686 hb_list_close( &job->list_work );
688 /* Stop read & write threads */
689 if( job->reader != NULL )
690 hb_thread_close( &job->reader );
691 if( job->muxer != NULL )
692 hb_thread_close( &job->muxer );
695 hb_fifo_close( &job->fifo_mpeg2 );
696 hb_fifo_close( &job->fifo_raw );
697 hb_fifo_close( &job->fifo_sync );
698 hb_fifo_close( &job->fifo_render );
699 hb_fifo_close( &job->fifo_mpeg4 );
701 for (i=0; i < hb_list_count(title->list_subtitle); i++) {
702 subtitle = hb_list_item( title->list_subtitle, i);
705 hb_fifo_close( &subtitle->fifo_in );
706 hb_fifo_close( &subtitle->fifo_raw );
709 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
711 audio = hb_list_item( title->list_audio, i );
712 if( audio->priv.fifo_in != NULL )
713 hb_fifo_close( &audio->priv.fifo_in );
714 if( audio->priv.fifo_raw != NULL )
715 hb_fifo_close( &audio->priv.fifo_raw );
716 if( audio->priv.fifo_sync != NULL )
717 hb_fifo_close( &audio->priv.fifo_sync );
718 if( audio->priv.fifo_out != NULL )
719 hb_fifo_close( &audio->priv.fifo_out );
722 if( job->indepth_scan )
725 * Before closing the title print out our subtitle stats if we need to
726 * Find the highest and lowest.
728 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
730 subtitle = hb_list_item( title->list_subtitle, i );
731 hb_log( "Subtitle stream 0x%x '%s': %d hits (%d forced)",
732 subtitle->id, subtitle->lang, subtitle->hits,
733 subtitle->forced_hits );
734 if( subtitle->hits > subtitle_highest )
736 subtitle_highest = subtitle->hits;
737 subtitle_highest_id = subtitle->id;
740 if( subtitle->hits < subtitle_lowest )
742 subtitle_lowest = subtitle->hits;
743 subtitle_lowest_id = subtitle->id;
746 if( subtitle->forced_hits > 0 )
748 if( subtitle_forced_id == 0 )
750 subtitle_forced_id = subtitle->id;
755 if( job->native_language ) {
757 * We still have a native_language, so the audio and subtitles are
758 * different, so in this case it is a foreign film and we want to
759 * select the subtitle with the highest hits in our language.
761 subtitle_hit = subtitle_highest_id;
762 hb_log( "Found a native-language subtitle id 0x%x", subtitle_hit);
764 if( subtitle_forced_id )
767 * If there are any subtitle streams with forced subtitles
768 * then select it in preference to the lowest.
770 subtitle_hit = subtitle_forced_id;
771 hb_log("Found a subtitle candidate id 0x%x (contains forced subs)",
773 } else if( subtitle_lowest < subtitle_highest )
776 * OK we have more than one, and the lowest is lower,
777 * but how much lower to qualify for turning it on by
780 * Let's say 10% as a default.
782 if( subtitle_lowest < ( subtitle_highest * 0.1 ) )
784 subtitle_hit = subtitle_lowest_id;
785 hb_log( "Found a subtitle candidate id 0x%x",
788 hb_log( "No candidate subtitle detected during subtitle-scan");
794 if( job->select_subtitle )
796 if( job->indepth_scan )
798 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
800 subtitle = hb_list_item( title->list_subtitle, i );
801 if( subtitle->id == subtitle_hit )
803 hb_list_rem( title->list_subtitle, subtitle );
804 *( job->select_subtitle ) = subtitle;
809 * Must be the end of pass 0 or 2 - we don't need this anymore.
811 * Have to put the subtitle list back together in the title though
812 * or the GUI will have a hissy fit.
814 free( job->select_subtitle );
815 job->select_subtitle = NULL;
821 for( i = 0; i < hb_list_count( job->filters ); i++ )
823 hb_filter_object_t * filter = hb_list_item( job->filters, i );
824 hb_filter_close( &filter );
826 hb_list_close( &job->filters );
829 hb_buffer_pool_free();
831 hb_title_close( &job->title );
836 * Performs the work object's specific work function.
837 * Loops calling work function for associated work object. Sleeps when fifo is full.
838 * Monitors work done indicator.
839 * Exits loop when work indiactor is set.
840 * @param _w Handle to work object.
842 static void work_loop( void * _w )
844 hb_work_object_t * w = _w;
845 hb_buffer_t * buf_in, * buf_out;
850 hb_lock( job->pause );
851 hb_unlock( job->pause );
853 if( hb_fifo_is_full( w->fifo_out ) ||
854 // if( (hb_fifo_percent_full( w->fifo_out ) > 0.8) ||
855 !( buf_in = hb_fifo_get( w->fifo_in ) ) )
857 hb_snooze( w->thread_sleep_interval );
858 // w->thread_sleep_interval += 1;
861 // w->thread_sleep_interval = MAX(1, (w->thread_sleep_interval - 1));
863 w->status = w->work( w, &buf_in, &buf_out );
865 // Propagate any chapter breaks for the worker if and only if the
866 // output frame has the same time stamp as the input frame (any
867 // worker that delays frames has to propagate the chapter marks itself
868 // and workers that move chapter marks to a different time should set
869 // 'buf_in' to NULL so that this code won't generate spurious duplicates.)
870 if( buf_in && buf_out && buf_in->new_chap && buf_in->start == buf_out->start)
872 // restore log below to debug chapter mark propagation problems
873 //hb_log("work %s: Copying Chapter Break @ %lld", w->name, buf_in->start);
874 buf_out->new_chap = buf_in->new_chap;
879 hb_buffer_close( &buf_in );
883 hb_fifo_push( w->fifo_out, buf_out );