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;
106 hb_work_object_t * final_w = NULL;
109 hb_subtitle_t * subtitle;
111 unsigned int subtitle_highest = 0;
112 unsigned int subtitle_highest_id = 0;
113 unsigned int subtitle_lowest = -1;
114 unsigned int subtitle_lowest_id = 0;
115 unsigned int subtitle_forced_id = 0;
116 unsigned int subtitle_hit = 0;
120 job->list_work = hb_list_init();
122 hb_log( "starting job" );
123 hb_log( " + device %s", title->dvd );
124 hb_log( " + title %d, chapter(s) %d to %d", title->index,
125 job->chapter_start, job->chapter_end );
126 if ( job->pixel_ratio == 1 )
128 /* Correct the geometry of the output movie when using PixelRatio */
129 job->height=title->height-job->crop[0]-job->crop[1];
130 job->width=title->width-job->crop[2]-job->crop[3];
132 else if ( job->pixel_ratio == 2 )
135 /* While keeping the DVD storage aspect, resize the job width and height
136 so they fit into the user's specified dimensions. */
137 hb_set_anamorphic_size(job, &job->width, &job->height, &job->pixel_aspect_width, &job->pixel_aspect_height);
140 /* Keep width and height within these boundaries,
141 but ignore for "loose" anamorphic encodes, for
142 which this stuff is covered in the pixel_ratio
143 section right above.*/
144 if (job->maxHeight && (job->height > job->maxHeight) && (job->pixel_ratio != 2))
146 job->height = job->maxHeight;
147 hb_fix_aspect( job, HB_KEEP_HEIGHT );
148 hb_log("Height out of bounds, scaling down to %i", job->maxHeight);
149 hb_log("New dimensions %i * %i", job->width, job->height);
151 if (job->maxWidth && (job->width > job->maxWidth) && (job->pixel_ratio != 2))
153 job->width = job->maxWidth;
154 hb_fix_aspect( job, HB_KEEP_WIDTH );
155 hb_log("Width out of bounds, scaling down to %i", job->maxWidth);
156 hb_log("New dimensions %i * %i", job->width, job->height);
159 hb_log( " + %dx%d -> %dx%d, crop %d/%d/%d/%d",
160 title->width, title->height, job->width, job->height,
161 job->crop[0], job->crop[1], job->crop[2], job->crop[3] );
163 if ( job->grayscale )
164 hb_log( " + grayscale mode" );
168 int detelecine_present = 0;
171 for( i = 0; i < hb_list_count( job->filters ); i++ )
173 hb_filter_object_t * filter = hb_list_item( job->filters, i );
174 if (filter->id == FILTER_DETELECINE)
175 detelecine_present = 1;
179 if (!detelecine_present)
181 /* Allocate the filter. */
182 hb_filter_object_t * filter = malloc( sizeof( hb_filter_object_t ) );
184 /* Copy in the contents of the detelecine struct. */
185 memcpy( filter, &hb_filter_detelecine, sizeof( hb_filter_object_t ) );
187 /* Set the name to a copy of the template name so render.c has something to free. */
188 filter->name = strdup(hb_filter_detelecine.name);
190 /* Add it to the list. */
191 hb_list_add( job->filters, filter );
193 hb_log("work: VFR mode -- adding detelecine filter");
197 if( hb_list_count( job->filters ) )
199 hb_log(" + filters");
200 for( i = 0; i < hb_list_count( job->filters ); i++ )
202 hb_filter_object_t * filter = hb_list_item( job->filters, i );
203 if (filter->settings)
204 hb_log(" + %s (%s)", filter->name, filter->settings);
206 hb_log(" + %s (default settings)", filter->name);
212 hb_log( " + video frame rate: variable (detected %.3f fps)", (float) job->vrate /
213 (float) job->vrate_base );
217 hb_log( " + video frame rate: %.3f fps", (float) job->vrate / (float) job->vrate_base);
220 if( job->vquality >= 0.0 && job->vquality <= 1.0 )
222 hb_log( " + video quality %.2f", job->vquality );
226 hb_log( " + video bitrate %d kbps, pass %d", job->vbitrate, job->pass );
229 hb_log (" + PixelRatio: %d, width:%d, height: %d",job->pixel_ratio,job->width, job->height);
230 job->fifo_mpeg2 = hb_fifo_init( 2048 );
231 job->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
232 job->fifo_sync = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
233 job->fifo_render = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
234 job->fifo_mpeg4 = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
236 /* Synchronization */
237 hb_list_add( job->list_work, ( w = getWork( WORK_SYNC ) ) );
242 hb_list_add( job->list_work, ( w = getWork( WORK_DECMPEG2 ) ) );
243 w->fifo_in = job->fifo_mpeg2;
244 w->fifo_out = job->fifo_raw;
247 hb_list_add( job->list_work, ( w = getWork( WORK_RENDER ) ) );
248 w->fifo_in = job->fifo_sync;
249 w->fifo_out = job->fifo_render;
250 if ( job->indepth_scan )
253 * if we're doing a subtitle scan the last thread in the
254 * processing pipeline is render - remember it so we can
255 * wait for its completion below.
261 switch( job->vcodec )
263 case HB_VCODEC_FFMPEG:
264 hb_log( " + encoder FFmpeg" );
265 w = getWork( WORK_ENCAVCODEC );
268 hb_log( " + encoder XviD" );
269 w = getWork( WORK_ENCXVID );
272 hb_log( " + encoder x264" );
273 if( job->x264opts != NULL && *job->x264opts != '\0' )
274 hb_log( " + x264 options: %s", job->x264opts);
275 w = getWork( WORK_ENCX264 );
277 case HB_VCODEC_THEORA:
278 hb_log( " + encoder Theora" );
279 w = getWork( WORK_ENCTHEORA );
282 w->fifo_in = job->fifo_render;
283 w->fifo_out = job->fifo_mpeg4;
284 w->config = &job->config;
286 hb_list_add( job->list_work, w );
287 if ( !job->indepth_scan )
290 * if we're not doing a subtitle scan the last thread in the
291 * processing pipeline is the encoder - remember it so we can
292 * wait for its completion below.
297 if( job->select_subtitle && !job->indepth_scan )
300 * Must be second pass of a two pass with subtitle scan enabled, so
301 * add the subtitle that we found on the first pass for use in this
304 if (*(job->select_subtitle))
306 hb_list_add( title->list_subtitle, *( job->select_subtitle ) );
310 for( i=0; i < hb_list_count(title->list_subtitle); i++ )
312 subtitle = hb_list_item( title->list_subtitle, i );
316 hb_log( " + subtitle %x, %s", subtitle->id, subtitle->lang );
318 subtitle->fifo_in = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
319 subtitle->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
322 * Disable forced subtitles if we didn't find any in the scan
323 * so that we display normal subtitles instead.
325 * select_subtitle implies that we did a scan.
327 if( !job->indepth_scan && job->subtitle_force &&
328 job->select_subtitle )
330 if( subtitle->forced_hits == 0 )
332 job->subtitle_force = 0;
336 if (!job->indepth_scan || job->subtitle_force) {
338 * Don't add threads for subtitles when we are scanning, unless
339 * looking for forced subtitles.
344 * Need to copy the prior subtitle structure so that we
345 * don't overwrite the fifos.
347 sub_w = calloc( sizeof( hb_work_object_t ), 1 );
348 sub_w = memcpy( sub_w, w, sizeof( hb_work_object_t ));
350 w = sub_w = getWork( WORK_DECSUB );
352 hb_list_add( job->list_work, sub_w );
353 sub_w->fifo_in = subtitle->fifo_in;
354 sub_w->fifo_out = subtitle->fifo_raw;
359 /* if we are doing passthru, and the input codec is not the same as the output
360 * codec, then remove this audio from the job */
361 /* otherwise, Bad Things will happen */
362 for( i = 0; i < hb_list_count( title->list_audio ); )
364 audio = hb_list_item( title->list_audio, i );
365 if( ( ( audio->config.out.codec == HB_ACODEC_AC3 ) && ( audio->config.in.codec != HB_ACODEC_AC3 ) ) ||
366 ( ( audio->config.out.codec == HB_ACODEC_DCA ) && ( audio->config.in.codec != HB_ACODEC_DCA ) ) )
368 hb_log( "Passthru requested and input codec is not the same as output codec for track %d",
369 audio->config.out.track );
370 hb_list_rem( title->list_audio, audio );
374 /* Adjust output track number, in case we removed one.
375 * Output tracks sadly still need to be in sequential order.
377 audio->config.out.track = i++;
380 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
382 audio = hb_list_item( title->list_audio, i );
383 hb_log( " + audio track %d", audio->config.out.track );
384 hb_log( " + input track %d", audio->config.in.track );
385 if( (audio->config.out.codec == HB_ACODEC_AC3) || (audio->config.out.codec == HB_ACODEC_DCA) )
387 hb_log( " + %s passthrough", (audio->config.out.codec == HB_ACODEC_AC3) ?
392 hb_log( " + audio %d kbps, %d Hz", audio->config.out.bitrate, audio->config.out.samplerate );
393 hb_log( " + encoder %s", ( audio->config.out.codec == HB_ACODEC_FAAC ) ?
394 "faac" : ( ( audio->config.out.codec == HB_ACODEC_LAME ) ? "lame" :
396 if ( audio->config.out.dynamic_range_compression > 1 )
397 hb_log(" + dynamic range compression: %f", audio->config.out.dynamic_range_compression);
400 hb_log( " + %x, %s", audio->id, audio->config.lang.description );
402 /* sense-check the current mixdown options */
404 /* log the requested mixdown */
405 for (j = 0; j < hb_audio_mixdowns_count; j++) {
406 if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
407 hb_log( " + Requested mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
412 /* sense-check the requested mixdown */
414 /* audioCodecsSupportMono and audioCodecsSupport6Ch are the same for now,
415 but this may change in the future, so they are separated for flexibility */
416 int audioCodecsSupportMono = ( (audio->config.in.codec == HB_ACODEC_AC3 || audio->config.in.codec == HB_ACODEC_DCA) &&
417 (audio->config.out.codec == HB_ACODEC_FAAC || audio->config.out.codec == HB_ACODEC_VORBIS) );
418 int audioCodecsSupport6Ch = ( (audio->config.in.codec == HB_ACODEC_AC3 || audio->config.in.codec == HB_ACODEC_DCA) &&
419 (audio->config.out.codec == HB_ACODEC_FAAC || audio->config.out.codec == HB_ACODEC_VORBIS));
421 /* find out what the format of our source audio is */
422 switch (audio->config.in.channel_layout & HB_INPUT_CH_LAYOUT_DISCRETE_NO_LFE_MASK) {
425 case HB_INPUT_CH_LAYOUT_MONO:
426 /* regardless of what stereo mixdown we've requested, a mono source always get mixed down
427 to mono if we can, and mixed up to stereo if we can't */
428 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 1) {
429 audio->config.out.mixdown = HB_AMIXDOWN_MONO;
431 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
436 case HB_INPUT_CH_LAYOUT_STEREO:
437 /* if we've requested a mono mixdown, and it is supported, then do the mix */
438 /* use stereo if not supported */
439 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
440 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
441 /* otherwise, preserve stereo regardless of if we requested something higher */
442 } else if (audio->config.out.mixdown > HB_AMIXDOWN_STEREO) {
443 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
447 /* dolby (DPL1 aka Dolby Surround = 4.0 matrix-encoded) input */
448 /* the A52 flags don't allow for a way to distinguish between DPL1 and DPL2 on a DVD,
449 so we always assume a DPL1 source for A52_DOLBY */
450 case HB_INPUT_CH_LAYOUT_DOLBY:
451 /* if we've requested a mono mixdown, and it is supported, then do the mix */
452 /* preserve dolby if not supported */
453 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
454 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
455 /* otherwise, preserve dolby even if we requested something higher */
456 /* a stereo mixdown will still be honoured here */
457 } else if (audio->config.out.mixdown > HB_AMIXDOWN_DOLBY) {
458 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
463 case HB_INPUT_CH_LAYOUT_3F2R:
464 /* if we've requested a mono mixdown, and it is supported, then do the mix */
465 /* use dpl2 if not supported */
466 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
467 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
469 /* check if we have 3F2R input and also have an LFE - i.e. we have a 5.1 source) */
470 if (audio->config.in.channel_layout & HB_INPUT_CH_LAYOUT_HAS_LFE) {
471 /* we have a 5.1 source */
472 /* if we requested 6ch, but our audio format doesn't support it, then mix to DPLII instead */
473 if (audio->config.out.mixdown == HB_AMIXDOWN_6CH && audioCodecsSupport6Ch == 0) {
474 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
477 /* we have a 5.0 source, so we can't do 6ch conversion
478 default to DPL II instead */
479 if (audio->config.out.mixdown > HB_AMIXDOWN_DOLBYPLII) {
480 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
484 /* all other mixdowns will have been preserved here */
488 case HB_INPUT_CH_LAYOUT_3F1R:
489 /* if we've requested a mono mixdown, and it is supported, then do the mix */
490 /* use dpl1 if not supported */
491 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
492 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
494 /* we have a 4.0 or 4.1 source, so we can't do DPLII or 6ch conversion
495 default to DPL I instead */
496 if (audio->config.out.mixdown > HB_AMIXDOWN_DOLBY) {
497 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
500 /* all other mixdowns will have been preserved here */
504 /* if we've requested a mono mixdown, and it is supported, then do the mix */
505 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 1) {
506 audio->config.out.mixdown = HB_AMIXDOWN_MONO;
507 /* mix everything else down to stereo */
509 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
514 /* log the output mixdown */
515 for (j = 0; j < hb_audio_mixdowns_count; j++) {
516 if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
517 hb_log( " + Actual mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
522 if (audio->config.out.codec == HB_ACODEC_VORBIS)
523 audio->priv.config.vorbis.language = audio->config.lang.simple;
525 /* set up the audio work structures */
526 audio->priv.fifo_in = hb_fifo_init( 256 );
527 audio->priv.fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
528 audio->priv.fifo_sync = hb_fifo_init( 256 );
529 audio->priv.fifo_out = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
533 * Audio Decoder Thread
535 switch( audio->config.in.codec )
538 w = getWork( WORK_DECA52 );
541 w = getWork( WORK_DECDCA );
544 w = getWork( WORK_DECAVCODEC );
547 w = getWork( WORK_DECLPCM );
550 /* Invalid input codec */
551 hb_error("Invalid input codec: %d", audio->config.in.codec);
555 w->fifo_in = audio->priv.fifo_in;
556 w->fifo_out = audio->priv.fifo_raw;
557 w->config = &audio->priv.config;
560 /* FIXME: This feels really hackish, anything better? */
561 audio_w = calloc( sizeof( hb_work_object_t ), 1 );
562 audio_w = memcpy( audio_w, w, sizeof( hb_work_object_t ));
564 hb_list_add( job->list_work, audio_w );
567 * Audio Encoder Thread
569 switch( audio->config.out.codec )
572 w = getWork( WORK_ENCFAAC );
575 w = getWork( WORK_ENCLAME );
577 case HB_ACODEC_VORBIS:
578 w = getWork( WORK_ENCVORBIS );
582 case HB_ACODEC_DCA: /* These are all invalid output codecs. */
584 hb_error("Invalid audio codec: %#x", audio->config.out.codec);
590 if( audio->config.out.codec != HB_ACODEC_AC3 )
593 * Add the encoder thread if not doing AC-3 pass through
595 w->fifo_in = audio->priv.fifo_sync;
596 w->fifo_out = audio->priv.fifo_out;
597 w->config = &audio->priv.config;
600 /* FIXME: This feels really hackish, anything better? */
601 audio_w = calloc( sizeof( hb_work_object_t ), 1 );
602 audio_w = memcpy( audio_w, w, sizeof( hb_work_object_t ));
604 hb_list_add( job->list_work, audio_w );
610 /* Init read & write threads */
611 job->reader = hb_reader_init( job );
613 hb_log( " + output: %s", job->file );
614 job->muxer = hb_muxer_init( job );
618 /* Launch processing threads */
619 for( i = 1; i < hb_list_count( job->list_work ); i++ )
621 w = hb_list_item( job->list_work, i );
622 w->done = &job->done;
623 w->thread_sleep_interval = 10;
625 w->thread = hb_thread_init( w->name, work_loop, w,
630 w = hb_list_item( job->list_work, 0 );
631 w->thread_sleep_interval = 50;
635 if( ( w->status = w->work( w, NULL, NULL ) ) == HB_WORK_DONE )
640 final_w->status == HB_WORK_DONE &&
641 !hb_fifo_size( job->fifo_mpeg4 ) )
645 hb_snooze( w->thread_sleep_interval );
647 hb_list_rem( job->list_work, w );
652 /* Close work objects */
653 while( ( w = hb_list_item( job->list_work, 0 ) ) )
655 hb_list_rem( job->list_work, w );
656 if( w != NULL && w->thread != NULL )
658 hb_thread_close( &w->thread );
662 /* FIXME: This feels really hackish, anything better? */
663 if ( w->id == WORK_DECA52 ||
664 w->id == WORK_DECDCA ||
665 w->id == WORK_DECLPCM ||
666 w->id == WORK_ENCFAAC ||
667 w->id == WORK_ENCLAME ||
668 w->id == WORK_ENCVORBIS )
675 hb_list_close( &job->list_work );
677 /* Stop read & write threads */
678 if( job->reader != NULL )
679 hb_thread_close( &job->reader );
680 if( job->muxer != NULL )
681 hb_thread_close( &job->muxer );
684 hb_fifo_close( &job->fifo_mpeg2 );
685 hb_fifo_close( &job->fifo_raw );
686 hb_fifo_close( &job->fifo_sync );
687 hb_fifo_close( &job->fifo_render );
688 hb_fifo_close( &job->fifo_mpeg4 );
690 for (i=0; i < hb_list_count(title->list_subtitle); i++) {
691 subtitle = hb_list_item( title->list_subtitle, i);
694 hb_fifo_close( &subtitle->fifo_in );
695 hb_fifo_close( &subtitle->fifo_raw );
698 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
700 audio = hb_list_item( title->list_audio, i );
701 if( audio->priv.fifo_in != NULL )
702 hb_fifo_close( &audio->priv.fifo_in );
703 if( audio->priv.fifo_raw != NULL )
704 hb_fifo_close( &audio->priv.fifo_raw );
705 if( audio->priv.fifo_sync != NULL )
706 hb_fifo_close( &audio->priv.fifo_sync );
707 if( audio->priv.fifo_out != NULL )
708 hb_fifo_close( &audio->priv.fifo_out );
711 if( job->indepth_scan )
714 * Before closing the title print out our subtitle stats if we need to
715 * Find the highest and lowest.
717 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
719 subtitle = hb_list_item( title->list_subtitle, i );
720 hb_log( "Subtitle stream 0x%x '%s': %d hits (%d forced)",
721 subtitle->id, subtitle->lang, subtitle->hits,
722 subtitle->forced_hits );
723 if( subtitle->hits > subtitle_highest )
725 subtitle_highest = subtitle->hits;
726 subtitle_highest_id = subtitle->id;
729 if( subtitle->hits < subtitle_lowest )
731 subtitle_lowest = subtitle->hits;
732 subtitle_lowest_id = subtitle->id;
735 if( subtitle->forced_hits > 0 )
737 if( subtitle_forced_id == 0 )
739 subtitle_forced_id = subtitle->id;
744 if( job->native_language ) {
746 * We still have a native_language, so the audio and subtitles are
747 * different, so in this case it is a foreign film and we want to
748 * select the subtitle with the highest hits in our language.
750 subtitle_hit = subtitle_highest_id;
751 hb_log( "Found a native-language subtitle id 0x%x", subtitle_hit);
753 if( subtitle_forced_id )
756 * If there are any subtitle streams with forced subtitles
757 * then select it in preference to the lowest.
759 subtitle_hit = subtitle_forced_id;
760 hb_log("Found a subtitle candidate id 0x%x (contains forced subs)",
762 } else if( subtitle_lowest < subtitle_highest )
765 * OK we have more than one, and the lowest is lower,
766 * but how much lower to qualify for turning it on by
769 * Let's say 10% as a default.
771 if( subtitle_lowest < ( subtitle_highest * 0.1 ) )
773 subtitle_hit = subtitle_lowest_id;
774 hb_log( "Found a subtitle candidate id 0x%x",
777 hb_log( "No candidate subtitle detected during subtitle-scan");
783 if( job->select_subtitle )
785 if( job->indepth_scan )
787 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
789 subtitle = hb_list_item( title->list_subtitle, i );
790 if( subtitle->id == subtitle_hit )
792 hb_list_rem( title->list_subtitle, subtitle );
793 *( job->select_subtitle ) = subtitle;
798 * Must be the end of pass 0 or 2 - we don't need this anymore.
800 * Have to put the subtitle list back together in the title though
801 * or the GUI will have a hissy fit.
803 free( job->select_subtitle );
804 job->select_subtitle = NULL;
810 for( i = 0; i < hb_list_count( job->filters ); i++ )
812 hb_filter_object_t * filter = hb_list_item( job->filters, i );
813 hb_filter_close( &filter );
815 hb_list_close( &job->filters );
818 hb_buffer_pool_free();
820 hb_title_close( &job->title );
825 * Performs the work objects specific work function.
826 * Loops calling work function for associated work object. Sleeps when fifo is full.
827 * Monitors work done indicator.
828 * Exits loop when work indiactor is set.
829 * @param _w Handle to work object.
831 static void work_loop( void * _w )
833 hb_work_object_t * w = _w;
834 hb_buffer_t * buf_in, * buf_out;
839 hb_lock( job->pause );
840 hb_unlock( job->pause );
842 if( hb_fifo_is_full( w->fifo_out ) ||
843 // if( (hb_fifo_percent_full( w->fifo_out ) > 0.8) ||
844 !( buf_in = hb_fifo_get( w->fifo_in ) ) )
846 hb_snooze( w->thread_sleep_interval );
847 // w->thread_sleep_interval += 1;
850 // w->thread_sleep_interval = MAX(1, (w->thread_sleep_interval - 1));
852 w->status = w->work( w, &buf_in, &buf_out );
854 // Propagate any chapter breaks for the worker if and only if the
855 // output frame has the same time stamp as the input frame (any
856 // worker that delays frames has to propagate the chapter marks itself
857 // and workers that move chapter marks to a different time should set
858 // 'buf_in' to NULL so that this code won't generate spurious duplicates.)
859 if( buf_in && buf_out && buf_in->new_chap && buf_in->start == buf_out->start)
861 // restore log below to debug chapter mark propagation problems
862 //hb_log("work %s: Copying Chapter Break @ %lld", w->name, buf_in->start);
863 buf_out->new_chap = buf_in->new_chap;
868 hb_buffer_close( &buf_in );
872 hb_fifo_push( w->fifo_out, buf_out );