Timeline: Don't die if punch-in frame is before first block of recorded audio.

This commit is contained in:
Jonathan Moore Liles 2015-03-11 23:05:47 -07:00
parent 60059f4005
commit 0047df03fe
1 changed files with 41 additions and 22 deletions

View File

@ -99,8 +99,8 @@ Record_DS::disk_thread ( void )
bool punching_out = false;
bool punched_in = false;
nframes_t bS = 0;
nframes_t bE = 0;
nframes_t bS = 0; /* block start */
nframes_t bE = 0; /* block end */
again:
@ -109,8 +109,8 @@ again:
punched_in = false;
punching_out = false;
nframes_t pS = _frame;
nframes_t pE = _stop_frame;
nframes_t pS = _frame; /* punch start */
nframes_t pE = _stop_frame; /* punch end */
if ( punching_in )
{
@ -148,6 +148,22 @@ again:
bE = _first_frame + frames_read;
if ( ! punched_in && bS > pS )
{
/* we're supposed to be punching in but don't have data
until a later frame... write null data instead. FIXME:
it would probably be better to just have the record
threads running all the time so that there would always
have some actual data to write here */
sample_t nbuf[bS - pS];
memset(nbuf,0,bS - pS);
write_block(nbuf, pS - pS);
write_block(buf,frames_to_read);
punched_in = true;
punching_in = false;
}
else
{
punching_in = ! punched_in && bE > pS;
punching_out = punched_in && pE < bE;
@ -158,9 +174,11 @@ again:
break;
}
else
if ( punching_in )
else if ( punching_in )
{
assert( pS >= bS );
assert( bE >= pS );
write_block( buf + ((pS - bS) * channels()),
bE - pS );
@ -172,6 +190,7 @@ again:
write_block( buf, bE - bS );
}
}
}
// DMESSAGE( "capture thread terminating" );