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* avoids some divisions by zero

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31765 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Jérôme Duval
2009-07-26 12:35:05 +00:00
parent 813d9285bf
commit 6eec9d2552
1 changed files with 4 additions and 0 deletions
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src/apps/soundrecorder/ScopeView.cpp
+4
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@@ -120,6 +120,8 @@ void
ScopeView::ComputeRendering() ScopeView::ComputeRendering()
{ {
int64 framesCount = fMediaTrack->CountFrames() / SAMPLES_COUNT; int64 framesCount = fMediaTrack->CountFrames() / SAMPLES_COUNT;
if (framesCount <= 0)
return;
T samples[fPlayFormat.u.raw_audio.buffer_size / (fPlayFormat.u.raw_audio.format T samples[fPlayFormat.u.raw_audio.buffer_size / (fPlayFormat.u.raw_audio.format
& media_raw_audio_format::B_AUDIO_SIZE_MASK)]; & media_raw_audio_format::B_AUDIO_SIZE_MASK)];
int64 frames = 0; int64 frames = 0;
@@ -160,6 +162,8 @@ ScopeView::ComputeRendering()
} }
} }
if (previewMax <= 0)
return;
for (int i = 0; i < SAMPLES_COUNT; i++) for (int i = 0; i < SAMPLES_COUNT; i++)
fPreview[i] = (int32)(fPreview[i] * 1.0 / previewMax * middle + middle); fPreview[i] = (int32)(fPreview[i] * 1.0 / previewMax * middle + middle);
} }