1 /* $Id: reader.c,v 1.21 2005/11/25 15:05:25 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. */
23 /***********************************************************************
25 **********************************************************************/
26 static void ReaderFunc( void * );
27 static hb_fifo_t * GetFifoForId( hb_job_t * job, int id );
29 /***********************************************************************
31 ***********************************************************************
33 **********************************************************************/
34 hb_thread_t * hb_reader_init( hb_job_t * job )
38 r = calloc( sizeof( hb_reader_t ), 1 );
41 r->title = job->title;
45 return hb_thread_init( "reader", ReaderFunc, r,
49 /***********************************************************************
51 ***********************************************************************
53 **********************************************************************/
54 static void ReaderFunc( void * _r )
61 int chapter_end = r->job->chapter_end;
63 if( !( r->dvd = hb_dvd_init( r->title->dvd ) ) )
65 if ( !(r->stream = hb_stream_open(r->title->dvd) ) )
74 * XXX this code is a temporary hack that should go away if/when
75 * chapter merging goes away in libhb/dvd.c
76 * map the start and end chapter numbers to on-media chapter
77 * numbers since chapter merging could cause the handbrake numbers
78 * to diverge from the media numbers and, if our chapter_end is after
79 * a media chapter that got merged, we'll stop ripping too early.
81 int start = r->job->chapter_start;
82 hb_chapter_t * chap = hb_list_item( r->title->list_chapter, chapter_end - 1 );
84 chapter_end = chap->index;
87 chap = hb_list_item( r->title->list_chapter, start - 1 );
90 /* end chapter mapping XXX */
92 if( !hb_dvd_start( r->dvd, r->title->index, start ) )
94 hb_dvd_close( &r->dvd );
101 // At this point r->audios[0] gives us the index of the selected audio track for output track 0
102 // we cannot effectively demux multiple PID's into the seperate output tracks unfortunately
103 // so we'll just specifiy things here for a single track.
104 hb_stream_set_selected_audio_pid_index(r->stream, r->job->audios[0]);
107 list = hb_list_init();
108 r->ps = hb_buffer_init( HB_DVD_READ_BUFFER_SIZE );
110 while( !*r->die && !r->job->done )
113 chapter = hb_dvd_chapter( r->dvd );
119 hb_log( "reader: end of the title reached" );
122 if( chapter > chapter_end )
124 hb_log( "reader: end of chapter %d (media %d) reached at media chapter %d",
125 r->job->chapter_end, chapter_end, chapter );
131 if( !hb_dvd_read( r->dvd, r->ps ) )
138 if ( !hb_stream_read( r->stream, r->ps ) )
144 if( r->job->indepth_scan )
147 * Need to update the progress during a subtitle scan
151 #define p state.param.working
153 state.state = HB_STATE_WORKING;
154 p.progress = (float)chapter / (float)r->job->chapter_end;
155 if( p.progress > 1.0 )
163 hb_set_state( r->job->h, &state );
166 hb_demux_ps( r->ps, list );
168 while( ( buf = hb_list_item( list, 0 ) ) )
170 hb_list_rem( list, buf );
171 fifo = GetFifoForId( r->job, buf->id );
174 while( !*r->die && !r->job->done &&
175 hb_fifo_is_full( fifo ) )
179 buf->sequence = r->sequence++;
180 hb_fifo_push( fifo, buf );
184 hb_buffer_close( &buf );
189 hb_list_empty( &list );
190 hb_buffer_close( &r->ps );
193 hb_dvd_stop( r->dvd );
194 hb_dvd_close( &r->dvd );
198 hb_stream_close(&r->stream);
204 hb_log( "reader: done" );
207 /***********************************************************************
209 ***********************************************************************
211 **********************************************************************/
212 static hb_fifo_t * GetFifoForId( hb_job_t * job, int id )
214 hb_title_t * title = job->title;
216 hb_subtitle_t * subtitle;
221 if( job->indepth_scan )
224 * Ditch the video here during the indepth scan until
225 * we can improve the MPEG2 decode performance.
231 return job->fifo_mpeg2;
235 if( job->indepth_scan ) {
237 * Count the occurances of the subtitles, don't actually
238 * return any to encode unless we are looking fro forced
239 * subtitles in which case we need to look in the sub picture
240 * to see if it has the forced flag enabled.
242 for (i=0; i < hb_list_count(title->list_subtitle); i++) {
243 subtitle = hb_list_item( title->list_subtitle, i);
244 if (id == subtitle->id) {
249 if( job->subtitle_force )
251 return subtitle->fifo_in;
257 if( ( subtitle = hb_list_item( title->list_subtitle, 0 ) ) &&
260 return subtitle->fifo_in;
263 if( !job->indepth_scan )
265 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
267 audio = hb_list_item( title->list_audio, i );
268 if( id == audio->id )
270 return audio->fifo_in;