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 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 if( job->pixel_ratio && job->vcodec == HB_VCODEC_FFMPEG)
142 /* Just to make working with ffmpeg even more fun,
143 lavc's MPEG-4 encoder can't handle PAR values >= 255,
144 even though AVRational does. Adjusting downwards
145 distorts the display aspect slightly, but such is life. */
146 while ((job->pixel_aspect_width & ~0xFF) ||
147 (job->pixel_aspect_height & ~0xFF))
149 job->pixel_aspect_width >>= 1;
150 job->pixel_aspect_height >>= 1;
154 /* Keep width and height within these boundaries,
155 but ignore for "loose" anamorphic encodes, for
156 which this stuff is covered in the pixel_ratio
157 section right above.*/
158 if (job->maxHeight && (job->height > job->maxHeight) && (job->pixel_ratio != 2))
160 job->height = job->maxHeight;
161 hb_fix_aspect( job, HB_KEEP_HEIGHT );
162 hb_log("Height out of bounds, scaling down to %i", job->maxHeight);
163 hb_log("New dimensions %i * %i", job->width, job->height);
165 if (job->maxWidth && (job->width > job->maxWidth) && (job->pixel_ratio != 2))
167 job->width = job->maxWidth;
168 hb_fix_aspect( job, HB_KEEP_WIDTH );
169 hb_log("Width out of bounds, scaling down to %i", job->maxWidth);
170 hb_log("New dimensions %i * %i", job->width, job->height);
173 hb_log( " + %dx%d -> %dx%d, crop %d/%d/%d/%d",
174 title->width, title->height, job->width, job->height,
175 job->crop[0], job->crop[1], job->crop[2], job->crop[3] );
177 if ( job->grayscale )
178 hb_log( " + grayscale mode" );
182 job->vrate_base = title->rate_base;
184 int detelecine_present = 0;
187 for( i = 0; i < hb_list_count( job->filters ); i++ )
189 hb_filter_object_t * filter = hb_list_item( job->filters, i );
190 if (filter->id == FILTER_DETELECINE)
191 detelecine_present = 1;
195 if (!detelecine_present)
197 /* Allocate the filter. */
198 hb_filter_object_t * filter = malloc( sizeof( hb_filter_object_t ) );
200 /* Copy in the contents of the detelecine struct. */
201 memcpy( filter, &hb_filter_detelecine, sizeof( hb_filter_object_t ) );
203 /* Set the name to a copy of the template name so render.c has something to free. */
204 filter->name = strdup(hb_filter_detelecine.name);
206 /* Add it to the list. */
207 hb_list_add( job->filters, filter );
209 hb_log("work: VFR mode -- adding detelecine filter");
213 if( hb_list_count( job->filters ) )
215 hb_log(" + filters");
216 for( i = 0; i < hb_list_count( job->filters ); i++ )
218 hb_filter_object_t * filter = hb_list_item( job->filters, i );
219 if (filter->settings)
220 hb_log(" + %s (%s)", filter->name, filter->settings);
222 hb_log(" + %s (default settings)", filter->name);
228 hb_log( " + video frame rate: %.3f fps -> variable fps", (float) job->vrate /
229 (float) job->vrate_base );
233 hb_log( " + video frame rate: %.3f fps", (float) job->vrate / (float) job->vrate_base);
236 if( job->vquality >= 0.0 && job->vquality <= 1.0 )
238 hb_log( " + video quality %.2f", job->vquality );
242 hb_log( " + video bitrate %d kbps, pass %d", job->vbitrate, job->pass );
245 hb_log (" + PixelRatio: %d, width:%d, height: %d",job->pixel_ratio,job->width, job->height);
246 job->fifo_mpeg2 = hb_fifo_init( 2048 );
247 job->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
248 job->fifo_sync = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
249 job->fifo_render = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
250 job->fifo_mpeg4 = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
252 /* Synchronization */
253 hb_list_add( job->list_work, ( w = getWork( WORK_SYNC ) ) );
258 hb_list_add( job->list_work, ( w = getWork( WORK_DECMPEG2 ) ) );
259 w->fifo_in = job->fifo_mpeg2;
260 w->fifo_out = job->fifo_raw;
263 hb_list_add( job->list_work, ( w = getWork( WORK_RENDER ) ) );
264 w->fifo_in = job->fifo_sync;
265 w->fifo_out = job->fifo_render;
266 if ( job->indepth_scan )
269 * if we're doing a subtitle scan the last thread in the
270 * processing pipeline is render - remember it so we can
271 * wait for its completion below.
277 switch( job->vcodec )
279 case HB_VCODEC_FFMPEG:
280 hb_log( " + encoder FFmpeg" );
281 w = getWork( WORK_ENCAVCODEC );
284 hb_log( " + encoder XviD" );
285 w = getWork( WORK_ENCXVID );
288 hb_log( " + encoder x264" );
289 if( job->x264opts != NULL && *job->x264opts != '\0' )
290 hb_log( " + x264 options: %s", job->x264opts);
291 w = getWork( WORK_ENCX264 );
293 case HB_VCODEC_THEORA:
294 hb_log( " + encoder Theora" );
295 w = getWork( WORK_ENCTHEORA );
298 w->fifo_in = job->fifo_render;
299 w->fifo_out = job->fifo_mpeg4;
300 w->config = &job->config;
302 hb_list_add( job->list_work, w );
303 if ( !job->indepth_scan )
306 * if we're not doing a subtitle scan the last thread in the
307 * processing pipeline is the encoder - remember it so we can
308 * wait for its completion below.
313 if( job->select_subtitle && !job->indepth_scan )
316 * Must be second pass of a two pass with subtitle scan enabled, so
317 * add the subtitle that we found on the first pass for use in this
320 if (*(job->select_subtitle))
322 hb_list_add( title->list_subtitle, *( job->select_subtitle ) );
326 for( i=0; i < hb_list_count(title->list_subtitle); i++ )
328 subtitle = hb_list_item( title->list_subtitle, i );
332 hb_log( " + subtitle %x, %s", subtitle->id, subtitle->lang );
334 subtitle->fifo_in = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
335 subtitle->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
338 * Disable forced subtitles if we didn't find any in the scan
339 * so that we display normal subtitles instead.
341 * select_subtitle implies that we did a scan.
343 if( !job->indepth_scan && job->subtitle_force &&
344 job->select_subtitle )
346 if( subtitle->forced_hits == 0 )
348 job->subtitle_force = 0;
352 if (!job->indepth_scan || job->subtitle_force) {
354 * Don't add threads for subtitles when we are scanning, unless
355 * looking for forced subtitles.
360 * Need to copy the prior subtitle structure so that we
361 * don't overwrite the fifos.
363 sub_w = calloc( sizeof( hb_work_object_t ), 1 );
364 sub_w = memcpy( sub_w, w, sizeof( hb_work_object_t ));
366 w = sub_w = getWork( WORK_DECSUB );
368 hb_list_add( job->list_work, sub_w );
369 sub_w->fifo_in = subtitle->fifo_in;
370 sub_w->fifo_out = subtitle->fifo_raw;
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 /* sense-check the current mixdown options */
420 /* log the requested mixdown */
421 for (j = 0; j < hb_audio_mixdowns_count; j++) {
422 if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
423 hb_log( " + Requested mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
428 /* sense-check the requested mixdown */
430 if( audio->config.out.mixdown == 0 && audio->config.out.codec != HB_ACODEC_AC3 )
433 * Mixdown wasn't specified and this is not pass-through, set a default mixdown
436 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
439 /* audioCodecsSupportMono and audioCodecsSupport6Ch are the same for now,
440 but this may change in the future, so they are separated for flexibility */
441 int audioCodecsSupportMono = ( (audio->config.in.codec == HB_ACODEC_AC3 || audio->config.in.codec == HB_ACODEC_DCA) &&
442 (audio->config.out.codec == HB_ACODEC_FAAC || audio->config.out.codec == HB_ACODEC_VORBIS) );
443 int audioCodecsSupport6Ch = ( (audio->config.in.codec == HB_ACODEC_AC3 || audio->config.in.codec == HB_ACODEC_DCA) &&
444 (audio->config.out.codec == HB_ACODEC_FAAC || audio->config.out.codec == HB_ACODEC_VORBIS));
446 /* find out what the format of our source audio is */
447 switch (audio->config.in.channel_layout & HB_INPUT_CH_LAYOUT_DISCRETE_NO_LFE_MASK) {
450 case HB_INPUT_CH_LAYOUT_MONO:
451 /* regardless of what stereo mixdown we've requested, a mono source always get mixed down
452 to mono if we can, and mixed up to stereo if we can't */
453 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 1) {
454 audio->config.out.mixdown = HB_AMIXDOWN_MONO;
456 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
461 case HB_INPUT_CH_LAYOUT_STEREO:
462 /* if we've requested a mono mixdown, and it is supported, then do the mix */
463 /* use stereo if not supported */
464 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
465 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
466 /* otherwise, preserve stereo regardless of if we requested something higher */
467 } else if (audio->config.out.mixdown > HB_AMIXDOWN_STEREO) {
468 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
472 /* dolby (DPL1 aka Dolby Surround = 4.0 matrix-encoded) input */
473 /* the A52 flags don't allow for a way to distinguish between DPL1 and DPL2 on a DVD,
474 so we always assume a DPL1 source for A52_DOLBY */
475 case HB_INPUT_CH_LAYOUT_DOLBY:
476 /* if we've requested a mono mixdown, and it is supported, then do the mix */
477 /* preserve dolby if not supported */
478 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
479 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
480 /* otherwise, preserve dolby even if we requested something higher */
481 /* a stereo mixdown will still be honoured here */
482 } else if (audio->config.out.mixdown > HB_AMIXDOWN_DOLBY) {
483 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
488 case HB_INPUT_CH_LAYOUT_3F2R:
489 /* if we've requested a mono mixdown, and it is supported, then do the mix */
490 /* use dpl2 if not supported */
491 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
492 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
494 /* check if we have 3F2R input and also have an LFE - i.e. we have a 5.1 source) */
495 if (audio->config.in.channel_layout & HB_INPUT_CH_LAYOUT_HAS_LFE) {
496 /* we have a 5.1 source */
497 /* if we requested 6ch, but our audio format doesn't support it, then mix to DPLII instead */
498 if (audio->config.out.mixdown == HB_AMIXDOWN_6CH && audioCodecsSupport6Ch == 0) {
499 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
502 /* we have a 5.0 source, so we can't do 6ch conversion
503 default to DPL II instead */
504 if (audio->config.out.mixdown > HB_AMIXDOWN_DOLBYPLII) {
505 audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
509 /* all other mixdowns will have been preserved here */
513 case HB_INPUT_CH_LAYOUT_3F1R:
514 /* if we've requested a mono mixdown, and it is supported, then do the mix */
515 /* use dpl1 if not supported */
516 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 0) {
517 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
519 /* we have a 4.0 or 4.1 source, so we can't do DPLII or 6ch conversion
520 default to DPL I instead */
521 if (audio->config.out.mixdown > HB_AMIXDOWN_DOLBY) {
522 audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
525 /* all other mixdowns will have been preserved here */
529 /* if we've requested a mono mixdown, and it is supported, then do the mix */
530 if (audio->config.out.mixdown == HB_AMIXDOWN_MONO && audioCodecsSupportMono == 1) {
531 audio->config.out.mixdown = HB_AMIXDOWN_MONO;
532 /* mix everything else down to stereo */
534 audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
539 /* log the output mixdown */
540 for (j = 0; j < hb_audio_mixdowns_count; j++) {
541 if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
542 hb_log( " + Actual mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
547 if (audio->config.out.codec == HB_ACODEC_VORBIS)
548 audio->priv.config.vorbis.language = audio->config.lang.simple;
550 /* set up the audio work structures */
551 audio->priv.fifo_in = hb_fifo_init( 256 );
552 audio->priv.fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
553 audio->priv.fifo_sync = hb_fifo_init( 256 );
554 audio->priv.fifo_out = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
558 * Audio Decoder Thread
560 switch( audio->config.in.codec )
563 w = getWork( WORK_DECA52 );
566 w = getWork( WORK_DECDCA );
569 w = getWork( WORK_DECAVCODEC );
572 w = getWork( WORK_DECLPCM );
575 /* Invalid input codec */
576 hb_error("Invalid input codec: %d", audio->config.in.codec);
580 w->fifo_in = audio->priv.fifo_in;
581 w->fifo_out = audio->priv.fifo_raw;
582 w->config = &audio->priv.config;
585 /* FIXME: This feels really hackish, anything better? */
586 audio_w = calloc( sizeof( hb_work_object_t ), 1 );
587 audio_w = memcpy( audio_w, w, sizeof( hb_work_object_t ));
589 hb_list_add( job->list_work, audio_w );
592 * Audio Encoder Thread
594 switch( audio->config.out.codec )
597 w = getWork( WORK_ENCFAAC );
600 w = getWork( WORK_ENCLAME );
602 case HB_ACODEC_VORBIS:
603 w = getWork( WORK_ENCVORBIS );
607 case HB_ACODEC_DCA: /* These are all invalid output codecs. */
609 hb_error("Invalid audio codec: %#x", audio->config.out.codec);
615 if( audio->config.out.codec != HB_ACODEC_AC3 )
618 * Add the encoder thread if not doing AC-3 pass through
620 w->fifo_in = audio->priv.fifo_sync;
621 w->fifo_out = audio->priv.fifo_out;
622 w->config = &audio->priv.config;
625 /* FIXME: This feels really hackish, anything better? */
626 audio_w = calloc( sizeof( hb_work_object_t ), 1 );
627 audio_w = memcpy( audio_w, w, sizeof( hb_work_object_t ));
629 hb_list_add( job->list_work, audio_w );
635 /* Init read & write threads */
636 job->reader = hb_reader_init( job );
638 hb_log( " + output: %s", job->file );
639 job->muxer = hb_muxer_init( job );
643 /* Launch processing threads */
644 for( i = 1; i < hb_list_count( job->list_work ); i++ )
646 w = hb_list_item( job->list_work, i );
647 w->done = &job->done;
648 w->thread_sleep_interval = 10;
650 w->thread = hb_thread_init( w->name, work_loop, w,
655 w = hb_list_item( job->list_work, 0 );
656 w->thread_sleep_interval = 50;
660 if( ( w->status = w->work( w, NULL, NULL ) ) == HB_WORK_DONE )
665 final_w->status == HB_WORK_DONE &&
666 !hb_fifo_size( job->fifo_mpeg4 ) )
670 hb_snooze( w->thread_sleep_interval );
672 hb_list_rem( job->list_work, w );
677 /* Close work objects */
678 while( ( w = hb_list_item( job->list_work, 0 ) ) )
680 hb_list_rem( job->list_work, w );
681 if( w != NULL && w->thread != NULL )
683 hb_thread_close( &w->thread );
687 /* FIXME: This feels really hackish, anything better? */
688 if ( w->id == WORK_DECA52 ||
689 w->id == WORK_DECDCA ||
690 w->id == WORK_DECLPCM ||
691 w->id == WORK_ENCFAAC ||
692 w->id == WORK_ENCLAME ||
693 w->id == WORK_ENCVORBIS )
700 hb_list_close( &job->list_work );
702 /* Stop read & write threads */
703 if( job->reader != NULL )
704 hb_thread_close( &job->reader );
705 if( job->muxer != NULL )
706 hb_thread_close( &job->muxer );
709 hb_fifo_close( &job->fifo_mpeg2 );
710 hb_fifo_close( &job->fifo_raw );
711 hb_fifo_close( &job->fifo_sync );
712 hb_fifo_close( &job->fifo_render );
713 hb_fifo_close( &job->fifo_mpeg4 );
715 for (i=0; i < hb_list_count(title->list_subtitle); i++) {
716 subtitle = hb_list_item( title->list_subtitle, i);
719 hb_fifo_close( &subtitle->fifo_in );
720 hb_fifo_close( &subtitle->fifo_raw );
723 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
725 audio = hb_list_item( title->list_audio, i );
726 if( audio->priv.fifo_in != NULL )
727 hb_fifo_close( &audio->priv.fifo_in );
728 if( audio->priv.fifo_raw != NULL )
729 hb_fifo_close( &audio->priv.fifo_raw );
730 if( audio->priv.fifo_sync != NULL )
731 hb_fifo_close( &audio->priv.fifo_sync );
732 if( audio->priv.fifo_out != NULL )
733 hb_fifo_close( &audio->priv.fifo_out );
736 if( job->indepth_scan )
739 * Before closing the title print out our subtitle stats if we need to
740 * Find the highest and lowest.
742 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
744 subtitle = hb_list_item( title->list_subtitle, i );
745 hb_log( "Subtitle stream 0x%x '%s': %d hits (%d forced)",
746 subtitle->id, subtitle->lang, subtitle->hits,
747 subtitle->forced_hits );
748 if( subtitle->hits > subtitle_highest )
750 subtitle_highest = subtitle->hits;
751 subtitle_highest_id = subtitle->id;
754 if( subtitle->hits < subtitle_lowest )
756 subtitle_lowest = subtitle->hits;
757 subtitle_lowest_id = subtitle->id;
760 if( subtitle->forced_hits > 0 )
762 if( subtitle_forced_id == 0 )
764 subtitle_forced_id = subtitle->id;
769 if( job->native_language ) {
771 * We still have a native_language, so the audio and subtitles are
772 * different, so in this case it is a foreign film and we want to
773 * select the subtitle with the highest hits in our language.
775 subtitle_hit = subtitle_highest_id;
776 hb_log( "Found a native-language subtitle id 0x%x", subtitle_hit);
778 if( subtitle_forced_id )
781 * If there are any subtitle streams with forced subtitles
782 * then select it in preference to the lowest.
784 subtitle_hit = subtitle_forced_id;
785 hb_log("Found a subtitle candidate id 0x%x (contains forced subs)",
787 } else if( subtitle_lowest < subtitle_highest )
790 * OK we have more than one, and the lowest is lower,
791 * but how much lower to qualify for turning it on by
794 * Let's say 10% as a default.
796 if( subtitle_lowest < ( subtitle_highest * 0.1 ) )
798 subtitle_hit = subtitle_lowest_id;
799 hb_log( "Found a subtitle candidate id 0x%x",
802 hb_log( "No candidate subtitle detected during subtitle-scan");
808 if( job->select_subtitle )
810 if( job->indepth_scan )
812 for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
814 subtitle = hb_list_item( title->list_subtitle, i );
815 if( subtitle->id == subtitle_hit )
817 hb_list_rem( title->list_subtitle, subtitle );
818 *( job->select_subtitle ) = subtitle;
823 * Must be the end of pass 0 or 2 - we don't need this anymore.
825 * Have to put the subtitle list back together in the title though
826 * or the GUI will have a hissy fit.
828 free( job->select_subtitle );
829 job->select_subtitle = NULL;
835 for( i = 0; i < hb_list_count( job->filters ); i++ )
837 hb_filter_object_t * filter = hb_list_item( job->filters, i );
838 hb_filter_close( &filter );
840 hb_list_close( &job->filters );
843 hb_buffer_pool_free();
845 hb_title_close( &job->title );
850 * Performs the work objects specific work function.
851 * Loops calling work function for associated work object. Sleeps when fifo is full.
852 * Monitors work done indicator.
853 * Exits loop when work indiactor is set.
854 * @param _w Handle to work object.
856 static void work_loop( void * _w )
858 hb_work_object_t * w = _w;
859 hb_buffer_t * buf_in, * buf_out;
864 hb_lock( job->pause );
865 hb_unlock( job->pause );
867 if( hb_fifo_is_full( w->fifo_out ) ||
868 // if( (hb_fifo_percent_full( w->fifo_out ) > 0.8) ||
869 !( buf_in = hb_fifo_get( w->fifo_in ) ) )
871 hb_snooze( w->thread_sleep_interval );
872 // w->thread_sleep_interval += 1;
875 // w->thread_sleep_interval = MAX(1, (w->thread_sleep_interval - 1));
877 w->status = w->work( w, &buf_in, &buf_out );
879 // Propagate any chapter breaks for the worker if and only if the
880 // output frame has the same time stamp as the input frame (any
881 // worker that delays frames has to propagate the chapter marks itself
882 // and workers that move chapter marks to a different time should set
883 // 'buf_in' to NULL so that this code won't generate spurious duplicates.)
884 if( buf_in && buf_out && buf_in->new_chap && buf_in->start == buf_out->start)
886 // restore log below to debug chapter mark propagation problems
887 //hb_log("work %s: Copying Chapter Break @ %lld", w->name, buf_in->start);
888 buf_out->new_chap = buf_in->new_chap;
893 hb_buffer_close( &buf_in );
897 hb_fifo_push( w->fifo_out, buf_out );