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Mipmap peak building actually happens in the UI thread, not the IO thread. 

Therefore, it is always necessary to fork when mipmapping peaks after capture.
This commit is contained in:
Jonathan Moore Liles 2008-05-22 18:12:51 -05:00
parent 33c646109f
commit 232d23915a
4 changed files with 6 additions and 16 deletions
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1
Timeline/Engine/Audio_Region.C
View File

@ -209,7 +209,6 @@ Audio_Region::write ( nframes_t nframes )
return nframes;
}
/* THREAD: IO */
/** finalize region capture. Assumes that this *is* a captured region
and that no other regions refer to the same source */
bool

1
Timeline/Engine/Disk_Stream.C
View File

@ -135,6 +135,7 @@ Disk_Stream::shutdown ( void )
pthread_join( _thread, NULL );
_thread = 0;
_terminate = false;
}

6
Timeline/Engine/Peaks.C
View File

@ -530,7 +530,6 @@ Peaks::prepare_for_writing ( void )
_peak_writer = new Peaks::Streamer( _clip->name(), _clip->channels(), cache_minimum );
}
/* THREAD: IO */
void
Peaks::finish_writing ( void )
{
@ -540,9 +539,8 @@ Peaks::finish_writing ( void )
_peak_writer = NULL;
/* now fill in the rest of the cache */
make_peaks_mipmap();
/* if ( ! fork() ) */
/* exit( make_peaks_mipmap() ); */
if ( ! fork() )
exit( make_peaks_mipmap() );
}

12
Timeline/Engine/Record_DS.C
View File

@ -145,12 +145,11 @@ Record_DS::disk_thread ( void )
const nframes_t nframes = _nframes;
const size_t block_size = _nframes * sizeof( sample_t );
#ifdef AVOID_UNNECESSARY_COPYING
sample_t *cbuf = new sample_t[ nframes ];
#endif
while ( blocks_ready-- > 0 || ! sem_trywait( &_blocks ) && errno != EAGAIN )
while ( blocks_ready-- > 0 || ( ! sem_trywait( &_blocks ) && errno != EAGAIN ) )
{
for ( int i = channels(); i--; )
@ -182,8 +181,6 @@ Record_DS::disk_thread ( void )
#ifndef AVOID_UNNECESSARY_COPYING
delete[] cbuf;
#endif
_thread = NULL;
}
@ -217,21 +214,16 @@ Record_DS::stop ( nframes_t frame )
{
if ( ! _recording )
{
printf( "programming error: attempt to stop recording when no recording is being made\n" );
WARNING( "programming error: attempt to stop recording when no recording is being made\n" );
return;
}
_recording = false;
/* FIXME: we may still have data in the buffers waiting to be
* written to disk... We should flush it out before stopping... */
_stop_frame = frame;
shutdown();
/* FIXME: flush buffers here? */
track()->stop( frame );
DMESSAGE( "recording finished" );