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Don't fail in render_tempomap on the first beat of the first bar.

tags/non-daw-v1.1.0
Jonathan Moore Liles 17 years ago
parent
commit
65b6d544ad
1 changed files with 10 additions and 7 deletions
  1. +10
    -7
      Timeline/Timeline.C

+ 10
- 7
Timeline/Timeline.C View File

@@ -416,6 +416,9 @@ Timeline::render_tempomap( nframes_t start, nframes_t length, measure_line_callb

/* FIXME: don't we need to sort so that Time_Points always preceed Tempo_Points? */

if ( ! _tempomap.size() )
return pos;

for ( list <const Sequence_Widget *>::const_iterator i = _tempomap.begin();
i != _tempomap.end(); ++i )
{
@@ -448,7 +451,6 @@ Timeline::render_tempomap( nframes_t start, nframes_t length, measure_line_callb
next = (*n)->start() - ( ( (*n)->start() - (*i)->start() ) % frames_per_beat );
}


for ( ; f < next; ++bbt.beat, f += frames_per_beat )
{

@@ -465,18 +467,19 @@ Timeline::render_tempomap( nframes_t start, nframes_t length, measure_line_callb
cb( f, bbt, arg );
}

if ( f + frames_per_beat >= end )
/* ugliness to avoid failing out at -1 */
if ( end >= frames_per_beat )
{
if ( f >= end - frames_per_beat )
goto done;
}
else if ( f + frames_per_beat >= end )
goto done;

}
}

done:

if ( ! f )
/* no points? */
return pos;

pos.frame = f;
pos.tempo = bpm;
pos.beats_per_bar = sig.beats_per_bar;


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