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-rw-r--r--libhb/work.c400
1 files changed, 400 insertions, 0 deletions
diff --git a/libhb/work.c b/libhb/work.c
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--- /dev/null
+++ b/libhb/work.c
@@ -0,0 +1,400 @@
+/* $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.m0k.org/>.
+ It may be used under the terms of the GNU General Public License. */
+
+#include "hb.h"
+
+struct hb_work_object_s
+{
+ HB_WORK_COMMON;
+};
+
+typedef struct
+{
+ hb_list_t * jobs;
+ 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 job_loop( void * );
+
+hb_thread_t * hb_work_init( hb_list_t * jobs, int cpu_count,
+ volatile int * die, int * error )
+{
+ hb_work_t * work = calloc( sizeof( hb_work_t ), 1 );
+
+ work->jobs = jobs;
+ work->cpu_count = cpu_count;
+ work->die = die;
+ work->error = error;
+
+ return hb_thread_init( "work", work_func, work, HB_LOW_PRIORITY );
+}
+
+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;
+ do_job( job, work->cpu_count );
+ }
+
+ *(work->error) = HB_ERROR_NONE;
+
+ free( work );
+}
+
+static void do_job( hb_job_t * job, int cpu_count )
+{
+ hb_title_t * title;
+ int i;
+ hb_thread_t * threads[8];
+ hb_work_object_t * w;
+ uint64_t time_total;
+ hb_audio_t * audio;
+ hb_subtitle_t * subtitle;
+
+ 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 );
+ 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] );
+ hb_log( " + deinterlace %s", job->deinterlace ? "on" : "off" );
+ hb_log( " + grayscale %s", job->grayscale ? "on" : "off" );
+ if( job->vquality >= 0.0 && job->vquality <= 1.0 )
+ {
+ hb_log( " + %.3f fps, video quality %.2f", (float) job->vrate /
+ (float) job->vrate_base, job->vquality );
+ }
+ else
+ {
+ hb_log( " + %.3f fps, video bitrate %d kbps, pass %d",
+ (float) job->vrate / (float) job->vrate_base,
+ job->vbitrate, job->pass );
+ }
+
+ job->fifo_mpeg2 = hb_fifo_init( 2048 );
+ job->fifo_raw = hb_fifo_init( 8 );
+ job->fifo_sync = hb_fifo_init( 8 );
+ job->fifo_render = hb_fifo_init( 8 );
+ job->fifo_mpeg4 = hb_fifo_init( 8 );
+
+ /* Synchronization */
+ w = hb_work_sync_init( job );
+ w->fifo_in = NULL;
+ w->fifo_out = NULL;
+ hb_list_add( job->list_work, w );
+
+ /* Video decoder */
+ w = hb_work_decmpeg2_init( job );
+ w->fifo_in = job->fifo_mpeg2;
+ w->fifo_out = job->fifo_raw;
+ hb_list_add( job->list_work, w );
+
+ /* Video renderer */
+ w = hb_work_render_init( job );
+ w->fifo_in = job->fifo_sync;
+ w->fifo_out = job->fifo_render;
+ hb_list_add( job->list_work, w );
+
+ /* Video encoder */
+ switch( job->vcodec )
+ {
+ case HB_VCODEC_FFMPEG:
+ hb_log( " + encoder FFmpeg" );
+ w = hb_work_encavcodec_init( job );
+ break;
+ case HB_VCODEC_XVID:
+ hb_log( " + encoder XviD" );
+ w = hb_work_encxvid_init( job );
+ break;
+ case HB_VCODEC_X264:
+ hb_log( " + encoder x264" );
+ w = hb_work_encx264_init( job );
+ break;
+ }
+ w->fifo_in = job->fifo_render;
+ w->fifo_out = job->fifo_mpeg4;
+ hb_list_add( job->list_work, w );
+
+ subtitle = hb_list_item( title->list_subtitle, 0 );
+ if( subtitle )
+ {
+ hb_log( " + subtitle %x, %s", subtitle->id, subtitle->lang );
+
+ subtitle->fifo_in = hb_fifo_init( 8 );
+ subtitle->fifo_raw = hb_fifo_init( 8 );
+
+ w = hb_work_decsub_init( job );
+ w->fifo_in = subtitle->fifo_in;
+ w->fifo_out = subtitle->fifo_raw;
+ hb_list_add( job->list_work, w );
+ }
+
+ if( job->acodec & HB_ACODEC_AC3 )
+ {
+ hb_log( " + audio AC3 passthrough" );
+ }
+ else
+ {
+ hb_log( " + audio %d kbps, %d Hz", job->abitrate, job->arate );
+ hb_log( " + encoder %s", ( job->acodec & HB_ACODEC_FAAC ) ?
+ "faac" : ( ( job->acodec & HB_ACODEC_LAME ) ? "lame" :
+ "vorbis" ) );
+ }
+
+ for( i = 0; i < hb_list_count( title->list_audio ); i++ )
+ {
+ audio = hb_list_item( title->list_audio, i );
+ hb_log( " + %x, %s", audio->id, audio->lang );
+
+ audio->fifo_in = hb_fifo_init( 2048 );
+ audio->fifo_raw = hb_fifo_init( 8 );
+ audio->fifo_sync = hb_fifo_init( 8 );
+ audio->fifo_out = hb_fifo_init( 8 );
+
+ switch( audio->codec )
+ {
+ case HB_ACODEC_AC3:
+ w = hb_work_deca52_init( job, audio );
+ break;
+ case HB_ACODEC_MPGA:
+ w = hb_work_decavcodec_init( job, audio );
+ break;
+ case HB_ACODEC_LPCM:
+ w = hb_work_declpcm_init( job, audio );
+ break;
+ }
+ w->fifo_in = audio->fifo_in;
+ w->fifo_out = audio->fifo_raw;
+ hb_list_add( job->list_work, w );
+
+ switch( job->acodec )
+ {
+ case HB_ACODEC_FAAC:
+ w = hb_work_encfaac_init( job, audio );
+ break;
+ case HB_ACODEC_LAME:
+ w = hb_work_enclame_init( job, audio );
+ break;
+ case HB_ACODEC_VORBIS:
+ w = hb_work_encvorbis_init( job, audio );
+ break;
+ }
+ if( job->acodec != HB_ACODEC_AC3 )
+ {
+ w->fifo_in = audio->fifo_sync;
+ w->fifo_out = audio->fifo_out;
+ hb_list_add( job->list_work, w );
+ }
+ }
+
+ /* Init read & write threads */
+ job->reader = hb_reader_init( job );
+
+ hb_log( " + output: %s", job->file );
+ job->muxer = hb_muxer_init( job );
+
+ for( i = 0; i < hb_list_count( job->list_work ); i++ )
+ {
+ w = hb_list_item( job->list_work, i );
+ w->lock = hb_lock_init();
+ w->used = 0;
+ w->time = 0;
+ }
+
+ job->done = 0;
+
+ /* Launch processing threads */
+ for( i = 0; i < cpu_count; i++ )
+ {
+ char thread_name[16];
+ if( cpu_count - 1 )
+ {
+ snprintf( thread_name, 16, "cpu killer %d", i + 1 );
+ }
+ else
+ {
+ snprintf( thread_name, 16, "cpu killer" );
+ }
+ threads[i] = hb_thread_init( thread_name, job_loop, job,
+ HB_LOW_PRIORITY );
+ }
+
+ while( !*job->die && !job->done )
+ {
+ hb_snooze( 500 );
+ }
+
+ for( i = 0; i < cpu_count; i++ )
+ {
+ hb_thread_close( &threads[i] );
+ }
+
+ /* Stop read & write threads */
+ hb_thread_close( &job->reader );
+ hb_thread_close( &job->muxer );
+
+ /* Stats */
+ time_total = 0;
+ for( i = 0; i < hb_list_count( job->list_work ); i++ )
+ {
+ w = hb_list_item( job->list_work, i );
+ time_total += w->time;
+ }
+ for( i = 0; i < hb_list_count( job->list_work ); i++ )
+ {
+ w = hb_list_item( job->list_work, i );
+ hb_log( "%s: %.2f %%", w->name,
+ 100.0 * (float) w->time / (float) time_total );
+ }
+
+ /* Close work objects */
+ while( ( w = hb_list_item( job->list_work, 0 ) ) )
+ {
+ hb_list_rem( job->list_work, w );
+ hb_lock_close( &w->lock );
+ w->close( &w );
+ }
+
+ /* 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 );
+ 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 );
+ hb_fifo_close( &audio->fifo_in );
+ hb_fifo_close( &audio->fifo_raw );
+ hb_fifo_close( &audio->fifo_sync );
+ hb_fifo_close( &audio->fifo_out );
+ }
+}
+
+static int lock( hb_work_object_t * w )
+{
+ hb_lock( w->lock );
+ if( w->used )
+ {
+ hb_unlock( w->lock );
+ return 0;
+ }
+ w->used = 1;
+ hb_unlock( w->lock );
+ return 1;
+}
+
+static void unlock( hb_work_object_t * w )
+{
+ hb_lock( w->lock );
+ w->used = 0;
+ hb_unlock( w->lock );
+}
+
+static void job_loop( void * _job )
+{
+ hb_job_t * job = _job;
+ hb_buffer_t * buf_in, * buf_out;
+ hb_work_object_t * w;
+ int work_count;
+ int act;
+ int i;
+ uint64_t date;
+ int done;
+
+ work_count = hb_list_count( job->list_work );
+ act = 0;
+ done = 0;
+
+ while( !*job->die && !job->done )
+ {
+ /* Handle synchronization, resampling, framerate change,
+ etc */
+ w = hb_list_item( job->list_work, 0 );
+ if( lock( w ) )
+ {
+ date = hb_get_date();
+ if( w->work( w, NULL, NULL ) == HB_WORK_DONE )
+ {
+ done = 1;
+ }
+ w->time += hb_get_date() - date;
+ unlock( w );
+ }
+
+ for( i = 1; !*job->die && !job->done && i < work_count; i++ )
+ {
+ w = hb_list_item( job->list_work, i );
+ if( !lock( w ) )
+ continue;
+
+ for( ;; )
+ {
+ hb_lock( job->pause );
+ hb_unlock( job->pause );
+
+ if( hb_fifo_is_full( w->fifo_out ) ||
+ !( buf_in = hb_fifo_get( w->fifo_in ) ) )
+ {
+ break;
+ }
+
+ date = hb_get_date();
+ w->work( w, &buf_in, &buf_out );
+ w->time += hb_get_date() - date;
+ if( buf_in )
+ {
+ hb_buffer_close( &buf_in );
+ }
+ if( buf_out )
+ {
+ act = 1;
+ hb_fifo_push( w->fifo_out, buf_out );
+ }
+ }
+
+ unlock( w );
+ }
+
+ if( done &&
+ !hb_fifo_size( job->fifo_sync ) &&
+ !hb_fifo_size( job->fifo_render ) &&
+ hb_fifo_size( job->fifo_mpeg4 ) < 2 )
+ {
+ job->done = 1;
+ break;
+ }
+
+ /* If we did nothing, wait a bit before trying again */
+ if( !act )
+ {
+ hb_snooze( 50 );
+ }
+ act = 0;
+ }
+}