1 /* $Id: muxcommon.c,v 1.23 2005/03/30 17:27:19 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. */
24 hb_mux_data_t * mux_data;
30 static hb_track_t * GetTrack( hb_list_t * list )
33 hb_track_t * track = NULL, * track2;
37 for( i = 0; i < hb_list_count( list ); i++ )
39 track2 = hb_list_item( list, i );
40 buf = hb_fifo_see( track2->fifo );
43 // To make sure we don't camp on one fifo & prevent the others
44 // from making progress we take the earliest data of all the
45 // data that's currently available but we don't care if some
46 // fifos don't have data.
49 if( !track || buf->start < pts )
58 static void MuxerFunc( void * _mux )
60 hb_mux_t * mux = _mux;
61 hb_job_t * job = mux->job;
62 hb_title_t * title = job->title;
69 hb_mux_object_t * m = NULL;
71 /* Get a real muxer */
72 if( job->pass == 0 || job->pass == 2)
79 m = hb_mux_mp4_init( job );
82 m = hb_mux_avi_init( job );
85 m = hb_mux_ogm_init( job );
88 m = hb_mux_mkv_init( job );
92 /* Wait for one buffer for each track */
93 while( !*job->die && !job->done )
98 if( !hb_fifo_size( job->fifo_mpeg4 ) )
102 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
104 audio = hb_list_item( title->list_audio, i );
105 if( !hb_fifo_size( audio->priv.fifo_out ) )
120 /* Create file, write headers */
121 if( job->pass == 0 || job->pass == 2 )
126 /* Build list of fifos we're interested in */
127 list = hb_list_init();
129 track = calloc( sizeof( hb_track_t ), 1 );
130 track->fifo = job->fifo_mpeg4;
131 track->mux_data = job->mux_data;
132 hb_list_add( list, track );
134 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
136 audio = hb_list_item( title->list_audio, i );
137 track = calloc( sizeof( hb_track_t ), 1 );
138 track->fifo = audio->priv.fifo_out;
139 track->mux_data = audio->priv.mux_data;
140 hb_list_add( list, track );
143 int thread_sleep_interval = 50;
144 while( !*job->die && !job->done )
146 if( !( track = GetTrack( list ) ) )
148 hb_snooze( thread_sleep_interval );
152 buf = hb_fifo_get( track->fifo );
153 if( job->pass == 0 || job->pass == 2 )
155 m->mux( m, track->mux_data, buf );
157 track->bytes += buf->size;
158 mux->pts = buf->stop;
160 hb_buffer_close( &buf );
163 if( job->pass == 0 || job->pass == 2 )
166 uint64_t bytes_total, frames_total;
168 #define p state.param.muxing
171 state.state = HB_STATE_MUXING;
173 hb_set_state( job->h, &state );
177 if( !stat( job->file, &sb ) )
179 hb_log( "mux: file size, %lld bytes", (uint64_t) sb.st_size );
183 for( i = 0; i < hb_list_count( list ); i++ )
185 track = hb_list_item( list, i );
186 hb_log( "mux: track %d, %lld bytes, %.2f kbps",
188 90000.0 * track->bytes / mux->pts / 125 );
189 if( !i && ( job->vquality < 0.0 || job->vquality > 1.0 ) )
192 hb_log( "mux: video bitrate error, %+lld bytes",
193 track->bytes - mux->pts * job->vbitrate *
196 bytes_total += track->bytes;
197 frames_total += track->frames;
200 if( bytes_total && frames_total )
202 hb_log( "mux: overhead, %.2f bytes per frame",
203 (float) ( sb.st_size - bytes_total ) /
211 for( i = 0; i < hb_list_count( list ); i++ )
213 track = hb_list_item( list, i );
214 if( track->mux_data )
216 free( track->mux_data );
220 hb_list_close( &list );
225 hb_thread_t * hb_muxer_init( hb_job_t * job )
227 hb_mux_t * mux = calloc( sizeof( hb_mux_t ), 1 );
229 return hb_thread_init( "muxer", MuxerFunc, mux,
230 HB_NORMAL_PRIORITY );