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.m0k.org/>.
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 );
45 if( !track || buf->start < pts )
54 static void MuxerFunc( void * _mux )
56 hb_mux_t * mux = _mux;
57 hb_job_t * job = mux->job;
58 hb_title_t * title = job->title;
65 hb_mux_object_t * m = NULL;
67 /* Get a real muxer */
74 m = hb_mux_mp4_init( job );
77 m = hb_mux_avi_init( job );
80 m = hb_mux_ogm_init( job );
85 /* Wait for one buffer for each track */
86 while( !*job->die && !job->done )
91 if( !hb_fifo_size( job->fifo_mpeg4 ) )
95 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
97 audio = hb_list_item( title->list_audio, i );
98 if( !hb_fifo_size( audio->fifo_out ) )
113 /* Create file, write headers */
119 /* Build list of fifos we're interested in */
120 list = hb_list_init();
122 track = calloc( sizeof( hb_track_t ), 1 );
123 track->fifo = job->fifo_mpeg4;
124 track->mux_data = job->mux_data;
125 hb_list_add( list, track );
127 for( i = 0; i < hb_list_count( title->list_audio ); i++ )
129 audio = hb_list_item( title->list_audio, i );
130 track = calloc( sizeof( hb_track_t ), 1 );
131 track->fifo = audio->fifo_out;
132 track->mux_data = audio->mux_data;
133 hb_list_add( list, track );
136 while( !*job->die && !job->done )
138 if( !( track = GetTrack( list ) ) )
144 buf = hb_fifo_get( track->fifo );
147 m->mux( m, track->mux_data, buf );
149 track->bytes += buf->size;
150 mux->pts = buf->stop;
152 hb_buffer_close( &buf );
158 uint64_t bytes_total, frames_total;
162 if( !stat( job->file, &sb ) )
164 hb_log( "mux: file size, %lld bytes", (uint64_t) sb.st_size );
168 for( i = 0; i < hb_list_count( list ); i++ )
170 track = hb_list_item( list, i );
171 hb_log( "mux: track %d, %lld bytes, %.2f kbps",
173 90000.0 * track->bytes / mux->pts / 125 );
174 if( !i && ( job->vquality < 0.0 || job->vquality > 1.0 ) )
177 hb_log( "mux: video bitrate error, %+lld bytes",
178 track->bytes - mux->pts * job->vbitrate *
181 bytes_total += track->bytes;
182 frames_total += track->frames;
185 if( bytes_total && frames_total )
187 hb_log( "mux: overhead, %.2f bytes per frame",
188 (float) ( sb.st_size - bytes_total ) /
196 for( i = 0; i < hb_list_count( list ); i++ )
198 track = hb_list_item( list, i );
199 if( track->mux_data )
201 free( track->mux_data );
205 hb_list_close( &list );
210 hb_thread_t * hb_muxer_init( hb_job_t * job )
212 hb_mux_t * mux = calloc( sizeof( hb_mux_t ), 1 );
214 return hb_thread_init( "muxer", MuxerFunc, mux,
215 HB_NORMAL_PRIORITY );