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|
/* $Id: work.c,v 1.43 2005/03/17 16:38:49 titer Exp $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.fr/>.
It may be used under the terms of the GNU General Public License. */
#include "hb.h"
#include "a52dec/a52.h"
#include "dca.h"
typedef struct
{
hb_list_t * jobs;
hb_job_t ** current_job;
int cpu_count;
int * error;
volatile int * die;
} hb_work_t;
static void work_func();
static void do_job( hb_job_t *, int cpu_count );
static void work_loop( void * );
#define FIFO_CPU_MULT 8
/**
* Allocates work object and launches work thread with work_func.
* @param jobs Handle to hb_list_t.
* @param cpu_count Humber of CPUs found in system.
* @param die Handle to user inititated exit indicator.
* @param error Handle to error indicator.
*/
hb_thread_t * hb_work_init( hb_list_t * jobs, int cpu_count,
volatile int * die, int * error, hb_job_t ** job )
{
hb_work_t * work = calloc( sizeof( hb_work_t ), 1 );
work->jobs = jobs;
work->current_job = job;
work->cpu_count = cpu_count;
work->die = die;
work->error = error;
return hb_thread_init( "work", work_func, work, HB_LOW_PRIORITY );
}
/**
* Iterates through job list and calls do_job for each job.
* @param _work Handle work object.
*/
static void work_func( void * _work )
{
hb_work_t * work = _work;
hb_job_t * job;
hb_log( "%d job(s) to process", hb_list_count( work->jobs ) );
while( !*work->die && ( job = hb_list_item( work->jobs, 0 ) ) )
{
hb_list_rem( work->jobs, job );
job->die = work->die;
*(work->current_job) = job;
do_job( job, work->cpu_count );
*(work->current_job) = NULL;
}
*(work->error) = HB_ERROR_NONE;
free( work );
}
hb_work_object_t * hb_get_work( int id )
{
hb_work_object_t * w;
for( w = hb_objects; w; w = w->next )
{
if( w->id == id )
{
hb_work_object_t *wc = malloc( sizeof(*w) );
*wc = *w;
return wc;
}
}
return NULL;
}
hb_work_object_t * hb_codec_decoder( int codec )
{
switch( codec )
{
case HB_ACODEC_AC3: return hb_get_work( WORK_DECA52 );
case HB_ACODEC_DCA: return hb_get_work( WORK_DECDCA );
case HB_ACODEC_MPGA: return hb_get_work( WORK_DECAVCODEC );
case HB_ACODEC_LPCM: return hb_get_work( WORK_DECLPCM );
case HB_ACODEC_FFMPEG: return hb_get_work( WORK_DECAVCODECAI );
}
return NULL;
}
hb_work_object_t * hb_codec_encoder( int codec )
{
switch( codec )
{
case HB_ACODEC_FAAC: return hb_get_work( WORK_ENCFAAC );
case HB_ACODEC_LAME: return hb_get_work( WORK_ENCLAME );
case HB_ACODEC_VORBIS: return hb_get_work( WORK_ENCVORBIS );
}
return NULL;
}
/**
* Job initialization rountine.
* Initializes fifos.
* Creates work objects for synchronizer, video decoder, video renderer, video decoder, audio decoder, audio encoder, reader, muxer.
* Launches thread for each work object with work_loop.
* Loops while monitoring status of work threads and fifos.
* Exits loop when conversion is done and fifos are empty.
* Closes threads and frees fifos.
* @param job Handle work hb_job_t.
* @param cpu_count number of CPUs found in system.
*/
static void do_job( hb_job_t * job, int cpu_count )
{
hb_title_t * title;
int i, j;
hb_work_object_t * w;
hb_work_object_t * final_w = NULL;
hb_audio_t * audio;
hb_subtitle_t * subtitle;
int done;
unsigned int subtitle_highest = 0;
unsigned int subtitle_highest_id = 0;
unsigned int subtitle_lowest = -1;
unsigned int subtitle_lowest_id = 0;
unsigned int subtitle_forced_id = 0;
unsigned int subtitle_hit = 0;
title = job->title;
job->list_work = hb_list_init();
hb_log( "starting job" );
hb_log( " + device %s", title->dvd );
hb_log( " + title %d, chapter(s) %d to %d", title->index,
job->chapter_start, job->chapter_end );
if ( job->pixel_ratio == 1 )
{
/* Correct the geometry of the output movie when using PixelRatio */
job->height=title->height-job->crop[0]-job->crop[1];
job->width=title->width-job->crop[2]-job->crop[3];
}
else if ( job->pixel_ratio == 2 )
{
/* While keeping the DVD storage aspect, resize the job width and height
so they fit into the user's specified dimensions. */
hb_set_anamorphic_size(job, &job->width, &job->height, &job->pixel_aspect_width, &job->pixel_aspect_height);
}
if( job->pixel_ratio && job->vcodec == HB_VCODEC_FFMPEG)
{
/* Just to make working with ffmpeg even more fun,
lavc's MPEG-4 encoder can't handle PAR values >= 255,
even though AVRational does. Adjusting downwards
distorts the display aspect slightly, but such is life. */
while ((job->pixel_aspect_width & ~0xFF) ||
(job->pixel_aspect_height & ~0xFF))
{
job->pixel_aspect_width >>= 1;
job->pixel_aspect_height >>= 1;
}
}
/* Keep width and height within these boundaries,
but ignore for "loose" anamorphic encodes, for
which this stuff is covered in the pixel_ratio
section right above.*/
if (job->maxHeight && (job->height > job->maxHeight) && (job->pixel_ratio != 2))
{
job->height = job->maxHeight;
hb_fix_aspect( job, HB_KEEP_HEIGHT );
hb_log("Height out of bounds, scaling down to %i", job->maxHeight);
hb_log("New dimensions %i * %i", job->width, job->height);
}
if (job->maxWidth && (job->width > job->maxWidth) && (job->pixel_ratio != 2))
{
job->width = job->maxWidth;
hb_fix_aspect( job, HB_KEEP_WIDTH );
hb_log("Width out of bounds, scaling down to %i", job->maxWidth);
hb_log("New dimensions %i * %i", job->width, job->height);
}
hb_log( " + %dx%d -> %dx%d, crop %d/%d/%d/%d",
title->width, title->height, job->width, job->height,
job->crop[0], job->crop[1], job->crop[2], job->crop[3] );
if ( job->grayscale )
hb_log( " + grayscale mode" );
if ( job->vfr )
{
job->vrate_base = title->rate_base;
int detelecine_present = 0;
if ( job->filters )
{
for( i = 0; i < hb_list_count( job->filters ); i++ )
{
hb_filter_object_t * filter = hb_list_item( job->filters, i );
if (filter->id == FILTER_DETELECINE)
detelecine_present = 1;
}
}
if (!detelecine_present)
{
/* Allocate the filter. */
hb_filter_object_t * filter = malloc( sizeof( hb_filter_object_t ) );
/* Copy in the contents of the detelecine struct. */
memcpy( filter, &hb_filter_detelecine, sizeof( hb_filter_object_t ) );
/* Set the name to a copy of the template name so render.c has something to free. */
filter->name = strdup(hb_filter_detelecine.name);
/* Add it to the list. */
hb_list_add( job->filters, filter );
hb_log("work: VFR mode -- adding detelecine filter");
}
}
if( hb_list_count( job->filters ) )
{
hb_log(" + filters");
for( i = 0; i < hb_list_count( job->filters ); i++ )
{
hb_filter_object_t * filter = hb_list_item( job->filters, i );
if (filter->settings)
hb_log(" + %s (%s)", filter->name, filter->settings);
else
hb_log(" + %s (default settings)", filter->name);
}
}
if( job->vfr)
{
hb_log( " + video frame rate: %.3f fps -> variable fps", (float) job->vrate /
(float) job->vrate_base );
}
else
{
hb_log( " + video frame rate: %.3f fps", (float) job->vrate / (float) job->vrate_base);
}
if( job->vquality >= 0.0 && job->vquality <= 1.0 )
{
hb_log( " + video quality %.2f", job->vquality );
}
else
{
hb_log( " + video bitrate %d kbps, pass %d", job->vbitrate, job->pass );
}
hb_log (" + PixelRatio: %d, width:%d, height: %d",job->pixel_ratio,job->width, job->height);
job->fifo_mpeg2 = hb_fifo_init( 128 );
job->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
job->fifo_sync = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
job->fifo_render = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
job->fifo_mpeg4 = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
/* Synchronization */
hb_list_add( job->list_work, ( w = hb_get_work( WORK_SYNC ) ) );
w->fifo_in = NULL;
w->fifo_out = NULL;
/* Video decoder */
int vcodec = title->video_codec? title->video_codec : WORK_DECMPEG2;
hb_list_add( job->list_work, ( w = hb_get_work( vcodec ) ) );
w->codec_param = title->video_codec_param;
w->fifo_in = job->fifo_mpeg2;
w->fifo_out = job->fifo_raw;
/* Video renderer */
hb_list_add( job->list_work, ( w = hb_get_work( WORK_RENDER ) ) );
w->fifo_in = job->fifo_sync;
w->fifo_out = job->fifo_render;
if ( job->indepth_scan )
{
/*
* if we're doing a subtitle scan the last thread in the
* processing pipeline is render - remember it so we can
* wait for its completion below.
*/
final_w = w;
}
if( !job->indepth_scan )
{
/* Video encoder */
switch( job->vcodec )
{
case HB_VCODEC_FFMPEG:
hb_log( " + encoder FFmpeg" );
w = hb_get_work( WORK_ENCAVCODEC );
break;
case HB_VCODEC_XVID:
hb_log( " + encoder XviD" );
w = hb_get_work( WORK_ENCXVID );
break;
case HB_VCODEC_X264:
hb_log( " + encoder x264" );
if( job->x264opts != NULL && *job->x264opts != '\0' )
hb_log( " + x264 options: %s", job->x264opts);
w = hb_get_work( WORK_ENCX264 );
break;
case HB_VCODEC_THEORA:
hb_log( " + encoder Theora" );
w = hb_get_work( WORK_ENCTHEORA );
break;
}
w->fifo_in = job->fifo_render;
w->fifo_out = job->fifo_mpeg4;
w->config = &job->config;
hb_list_add( job->list_work, w );
/*
* if we're not doing a subtitle scan the last thread in the
* processing pipeline is the encoder - remember it so we can
* wait for its completion below.
*/
final_w = w;
}
if( job->select_subtitle && !job->indepth_scan )
{
/*
* Must be second pass of a two pass with subtitle scan enabled, so
* add the subtitle that we found on the first pass for use in this
* pass.
*/
if (*(job->select_subtitle))
{
hb_list_add( title->list_subtitle, *( job->select_subtitle ) );
}
}
for( i=0; i < hb_list_count(title->list_subtitle); i++ )
{
subtitle = hb_list_item( title->list_subtitle, i );
if( subtitle )
{
hb_log( " + subtitle %x, %s", subtitle->id, subtitle->lang );
subtitle->fifo_in = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
subtitle->fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
/*
* Disable forced subtitles if we didn't find any in the scan
* so that we display normal subtitles instead.
*
* select_subtitle implies that we did a scan.
*/
if( !job->indepth_scan && job->subtitle_force &&
job->select_subtitle )
{
if( subtitle->forced_hits == 0 )
{
job->subtitle_force = 0;
}
}
if (!job->indepth_scan || job->subtitle_force) {
/*
* Don't add threads for subtitles when we are scanning, unless
* looking for forced subtitles.
*/
w = hb_get_work( WORK_DECSUB );
w->fifo_in = subtitle->fifo_in;
w->fifo_out = subtitle->fifo_raw;
hb_list_add( job->list_work, w );
}
}
}
if( !job->indepth_scan )
{
/* if we are doing passthru, and the input codec is not the same as the output
* codec, then remove this audio from the job */
/* otherwise, Bad Things will happen */
for( i = 0; i < hb_list_count( title->list_audio ); )
{
audio = hb_list_item( title->list_audio, i );
if( ( ( audio->config.out.codec == HB_ACODEC_AC3 ) && ( audio->config.in.codec != HB_ACODEC_AC3 ) ) ||
( ( audio->config.out.codec == HB_ACODEC_DCA ) && ( audio->config.in.codec != HB_ACODEC_DCA ) ) )
{
hb_log( "Passthru requested and input codec is not the same as output codec for track %d",
audio->config.out.track );
hb_list_rem( title->list_audio, audio );
free( audio );
continue;
}
/* Adjust output track number, in case we removed one.
* Output tracks sadly still need to be in sequential order.
*/
audio->config.out.track = i++;
}
for( i = 0; i < hb_list_count( title->list_audio ); i++ )
{
audio = hb_list_item( title->list_audio, i );
hb_log( " + audio track %d", audio->config.out.track );
hb_log( " + input track %d", audio->config.in.track );
if( (audio->config.out.codec == HB_ACODEC_AC3) || (audio->config.out.codec == HB_ACODEC_DCA) )
{
hb_log( " + %s passthrough", (audio->config.out.codec == HB_ACODEC_AC3) ?
"AC3" : "DCA" );
}
else
{
hb_log( " + audio %d kbps, %d Hz", audio->config.out.bitrate, audio->config.out.samplerate );
hb_log( " + encoder %s", ( audio->config.out.codec == HB_ACODEC_FAAC ) ?
"faac" : ( ( audio->config.out.codec == HB_ACODEC_LAME ) ? "lame" :
"vorbis" ) );
if ( audio->config.out.dynamic_range_compression > 1 )
hb_log(" + dynamic range compression: %f", audio->config.out.dynamic_range_compression);
}
hb_log( " + %x, %s", audio->id, audio->config.lang.description );
if( audio->config.out.codec != audio->config.in.codec )
{
/* sense-check the current mixdown options */
/* log the requested mixdown */
for (j = 0; j < hb_audio_mixdowns_count; j++) {
if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
hb_log( " + Requested mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
break;
}
}
/* sense-check the requested mixdown */
if( audio->config.out.mixdown == 0 &&
audio->config.out.codec != HB_ACODEC_AC3 )
{
/*
* Mixdown wasn't specified and this is not pass-through,
* set a default mixdown of stereo.
*/
audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
}
// Here we try to sanitize the audio input to output mapping.
// Constraints are:
// 1. only the AC3 & DCA decoder libraries currently support mixdown
// 2. the lame encoder library only supports stereo.
// So if the encoder is lame we need the output to be stereo (or multichannel
// matrixed into stereo like dpl). If the decoder is not AC3 or DCA the
// encoder has to handle the input format since we can't do a mixdown.
#define CAN_MIXDOWN(a) ( a->config.in.codec & (HB_ACODEC_AC3|HB_ACODEC_DCA) )
#define STEREO_ONLY(a) ( a->config.out.codec & HB_ACODEC_LAME )
switch (audio->config.in.channel_layout & HB_INPUT_CH_LAYOUT_DISCRETE_NO_LFE_MASK)
{
// stereo input or something not handled below
default:
case HB_INPUT_CH_LAYOUT_STEREO:
// mono gets mixed up to stereo & more than stereo gets mixed down
if ( STEREO_ONLY( audio ) ||
audio->config.out.mixdown > HB_AMIXDOWN_STEREO)
{
audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
}
break;
// mono input
case HB_INPUT_CH_LAYOUT_MONO:
if ( STEREO_ONLY( audio ) )
{
if ( !CAN_MIXDOWN( audio ) )
{
// XXX we're hosed - we can't mix up & lame can't handle
// the input format. The user shouldn't be able to make
// this choice. It's too late to do anything about it now
// so complain in the log & let things abort in lame.
hb_log( "ERROR - can't use lame mp3 audio output with "
"mono audio stream %x - output will be messed up",
audio->id );
}
audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
}
else
{
// everything else passes through
audio->config.out.mixdown = HB_AMIXDOWN_MONO;
}
break;
// dolby (DPL1 aka Dolby Surround = 4.0 matrix-encoded) input
// the A52 flags don't allow for a way to distinguish between DPL1 and
// DPL2 on a DVD so we always assume a DPL1 source for A52_DOLBY.
case HB_INPUT_CH_LAYOUT_DOLBY:
if ( STEREO_ONLY( audio ) || !CAN_MIXDOWN( audio ) ||
audio->config.out.mixdown > HB_AMIXDOWN_DOLBY )
{
audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
}
break;
// 4 channel discrete
case HB_INPUT_CH_LAYOUT_2F2R:
case HB_INPUT_CH_LAYOUT_3F1R:
if ( CAN_MIXDOWN( audio ) )
{
if ( STEREO_ONLY( audio ) ||
audio->config.out.mixdown > HB_AMIXDOWN_DOLBY )
{
audio->config.out.mixdown = HB_AMIXDOWN_DOLBY;
}
}
else
{
// XXX we can't mixdown & don't have any way to specify
// 4 channel discrete output so we're hosed.
hb_log( "ERROR - can't handle 4 channel discrete audio stream "
"%x - output will be messed up", audio->id );
}
break;
// 5 or 6 channel discrete
case HB_INPUT_CH_LAYOUT_3F2R:
if ( CAN_MIXDOWN( audio ) )
{
if ( STEREO_ONLY( audio ) )
{
if ( audio->config.out.mixdown < HB_AMIXDOWN_STEREO )
{
audio->config.out.mixdown = HB_AMIXDOWN_STEREO;
}
else if ( audio->config.out.mixdown > HB_AMIXDOWN_DOLBYPLII )
{
audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
}
}
else if ( ! ( audio->config.in.channel_layout &
HB_INPUT_CH_LAYOUT_HAS_LFE ) )
{
// we don't do 5 channel discrete so mixdown to DPLII
audio->config.out.mixdown = HB_AMIXDOWN_DOLBYPLII;
}
}
else if ( ! ( audio->config.in.channel_layout &
HB_INPUT_CH_LAYOUT_HAS_LFE ) )
{
// XXX we can't mixdown & don't have any way to specify
// 5 channel discrete output so we're hosed.
hb_log( "ERROR - can't handle 5 channel discrete audio stream "
"%x - output will be messed up", audio->id );
}
else
{
// we can't mixdown so force 6 channel discrete
audio->config.out.mixdown = HB_AMIXDOWN_6CH;
}
break;
}
/* log the output mixdown */
for (j = 0; j < hb_audio_mixdowns_count; j++) {
if (hb_audio_mixdowns[j].amixdown == audio->config.out.mixdown) {
hb_log( " + Actual mixdown: %s (%s)", hb_audio_mixdowns[j].human_readable_name, hb_audio_mixdowns[j].internal_name );
break;
}
}
}
if (audio->config.out.codec == HB_ACODEC_VORBIS)
audio->priv.config.vorbis.language = audio->config.lang.simple;
/* set up the audio work structures */
audio->priv.fifo_in = hb_fifo_init( 32 );
audio->priv.fifo_raw = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
audio->priv.fifo_sync = hb_fifo_init( 32 );
audio->priv.fifo_out = hb_fifo_init( FIFO_CPU_MULT * cpu_count );
/*
* Audio Decoder Thread
*/
if ( ( w = hb_codec_decoder( audio->config.in.codec ) ) == NULL )
{
hb_error("Invalid input codec: %d", audio->config.in.codec);
*job->die = 1;
goto cleanup;
}
w->fifo_in = audio->priv.fifo_in;
w->fifo_out = audio->priv.fifo_raw;
w->config = &audio->priv.config;
w->audio = audio;
w->codec_param = audio->config.in.codec_param;
hb_list_add( job->list_work, w );
/*
* Audio Encoder Thread
*/
if( audio->config.out.codec != HB_ACODEC_AC3 )
{
/*
* Add the encoder thread if not doing AC-3 pass through
*/
if ( ( w = hb_codec_encoder( audio->config.out.codec ) ) == NULL )
{
hb_error("Invalid audio codec: %#x", audio->config.out.codec);
w = NULL;
*job->die = 1;
goto cleanup;
}
w->fifo_in = audio->priv.fifo_sync;
w->fifo_out = audio->priv.fifo_out;
w->config = &audio->priv.config;
w->audio = audio;
hb_list_add( job->list_work, w );
}
}
}
/* Init read & write threads */
job->reader = hb_reader_init( job );
hb_log( " + output: %s", job->file );
job->done = 0;
/* Launch processing threads */
for( i = 1; i < hb_list_count( job->list_work ); i++ )
{
w = hb_list_item( job->list_work, i );
w->done = &job->done;
w->thread_sleep_interval = 10;
if( w->init( w, job ) )
{
hb_error( "Failure to initialise thread '%s'", w->name );
*job->die = 1;
goto cleanup;
}
w->thread = hb_thread_init( w->name, work_loop, w,
HB_LOW_PRIORITY );
}
// The muxer requires track information that's set up by the encoder
// init routines so we have to init the muxer last.
job->muxer = hb_muxer_init( job );
done = 0;
w = hb_list_item( job->list_work, 0 );
w->thread_sleep_interval = 50;
w->init( w, job );
while( !*job->die )
{
if( ( w->status = w->work( w, NULL, NULL ) ) == HB_WORK_DONE )
{
done = 1;
}
if( done &&
final_w->status == HB_WORK_DONE &&
!hb_fifo_size( job->fifo_mpeg4 ) )
{
break;
}
hb_snooze( w->thread_sleep_interval );
}
hb_list_rem( job->list_work, w );
w->close( w );
free( w );
job->done = 1;
cleanup:
/* Close work objects */
while( ( w = hb_list_item( job->list_work, 0 ) ) )
{
hb_list_rem( job->list_work, w );
if( w->thread != NULL )
{
hb_thread_close( &w->thread );
w->close( w );
}
free( w );
}
hb_list_close( &job->list_work );
/* Stop read & write threads */
if( job->reader != NULL )
hb_thread_close( &job->reader );
if( job->muxer != NULL )
hb_thread_close( &job->muxer );
/* Close fifos */
hb_fifo_close( &job->fifo_mpeg2 );
hb_fifo_close( &job->fifo_raw );
hb_fifo_close( &job->fifo_sync );
hb_fifo_close( &job->fifo_render );
hb_fifo_close( &job->fifo_mpeg4 );
for (i=0; i < hb_list_count(title->list_subtitle); i++) {
subtitle = hb_list_item( title->list_subtitle, i);
if( subtitle )
{
hb_fifo_close( &subtitle->fifo_in );
hb_fifo_close( &subtitle->fifo_raw );
}
}
for( i = 0; i < hb_list_count( title->list_audio ); i++ )
{
audio = hb_list_item( title->list_audio, i );
if( audio->priv.fifo_in != NULL )
hb_fifo_close( &audio->priv.fifo_in );
if( audio->priv.fifo_raw != NULL )
hb_fifo_close( &audio->priv.fifo_raw );
if( audio->priv.fifo_sync != NULL )
hb_fifo_close( &audio->priv.fifo_sync );
if( audio->priv.fifo_out != NULL )
hb_fifo_close( &audio->priv.fifo_out );
}
if( job->indepth_scan )
{
/*
* Before closing the title print out our subtitle stats if we need to
* Find the highest and lowest.
*/
for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
{
subtitle = hb_list_item( title->list_subtitle, i );
hb_log( "Subtitle stream 0x%x '%s': %d hits (%d forced)",
subtitle->id, subtitle->lang, subtitle->hits,
subtitle->forced_hits );
if( subtitle->hits > subtitle_highest )
{
subtitle_highest = subtitle->hits;
subtitle_highest_id = subtitle->id;
}
if( subtitle->hits < subtitle_lowest )
{
subtitle_lowest = subtitle->hits;
subtitle_lowest_id = subtitle->id;
}
if( subtitle->forced_hits > 0 )
{
if( subtitle_forced_id == 0 )
{
subtitle_forced_id = subtitle->id;
}
}
}
if( job->native_language ) {
/*
* We still have a native_language, so the audio and subtitles are
* different, so in this case it is a foreign film and we want to
* select the subtitle with the highest hits in our language.
*/
subtitle_hit = subtitle_highest_id;
hb_log( "Found a native-language subtitle id 0x%x", subtitle_hit);
} else {
if( subtitle_forced_id )
{
/*
* If there are any subtitle streams with forced subtitles
* then select it in preference to the lowest.
*/
subtitle_hit = subtitle_forced_id;
hb_log("Found a subtitle candidate id 0x%x (contains forced subs)",
subtitle_hit);
} else if( subtitle_lowest < subtitle_highest )
{
/*
* OK we have more than one, and the lowest is lower,
* but how much lower to qualify for turning it on by
* default?
*
* Let's say 10% as a default.
*/
if( subtitle_lowest < ( subtitle_highest * 0.1 ) )
{
subtitle_hit = subtitle_lowest_id;
hb_log( "Found a subtitle candidate id 0x%x",
subtitle_hit );
} else {
hb_log( "No candidate subtitle detected during subtitle-scan");
}
}
}
}
if( job->select_subtitle )
{
if( job->indepth_scan )
{
for( i=0; i < hb_list_count( title->list_subtitle ); i++ )
{
subtitle = hb_list_item( title->list_subtitle, i );
if( subtitle->id == subtitle_hit )
{
hb_list_rem( title->list_subtitle, subtitle );
*( job->select_subtitle ) = subtitle;
}
}
} else {
/*
* Must be the end of pass 0 or 2 - we don't need this anymore.
*
* Have to put the subtitle list back together in the title though
* or the GUI will have a hissy fit.
*/
free( job->select_subtitle );
job->select_subtitle = NULL;
}
}
if( job->filters )
{
for( i = 0; i < hb_list_count( job->filters ); i++ )
{
hb_filter_object_t * filter = hb_list_item( job->filters, i );
hb_filter_close( &filter );
}
hb_list_close( &job->filters );
}
hb_buffer_pool_free();
hb_title_close( &job->title );
free( job );
}
/**
* Performs the work object's specific work function.
* Loops calling work function for associated work object. Sleeps when fifo is full.
* Monitors work done indicator.
* Exits loop when work indiactor is set.
* @param _w Handle to work object.
*/
static void work_loop( void * _w )
{
hb_work_object_t * w = _w;
hb_buffer_t * buf_in, * buf_out;
while( !*w->done )
{
#if 0
hb_lock( job->pause );
hb_unlock( job->pause );
#endif
if( hb_fifo_is_full( w->fifo_out ) ||
// if( (hb_fifo_percent_full( w->fifo_out ) > 0.8) ||
!( buf_in = hb_fifo_get( w->fifo_in ) ) )
{
hb_snooze( w->thread_sleep_interval );
// w->thread_sleep_interval += 1;
continue;
}
// w->thread_sleep_interval = MAX(1, (w->thread_sleep_interval - 1));
w->status = w->work( w, &buf_in, &buf_out );
// Propagate any chapter breaks for the worker if and only if the
// output frame has the same time stamp as the input frame (any
// worker that delays frames has to propagate the chapter marks itself
// and workers that move chapter marks to a different time should set
// 'buf_in' to NULL so that this code won't generate spurious duplicates.)
if( buf_in && buf_out && buf_in->new_chap && buf_in->start == buf_out->start)
{
// restore log below to debug chapter mark propagation problems
//hb_log("work %s: Copying Chapter Break @ %lld", w->name, buf_in->start);
buf_out->new_chap = buf_in->new_chap;
}
if( buf_in )
{
hb_buffer_close( &buf_in );
}
if( buf_out )
{
hb_fifo_push( w->fifo_out, buf_out );
}
}
}
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