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audiorenderworker: fixed bad memcpy that would corrupt the heap

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itsmattkc
2020-02-23 13:46:28 +11:00
parent 813c2e411a
commit c2d518c681
1 changed files with 2 additions and 4 deletions
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app/render/backend/audiorenderworker.cpp
+2 -4
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@@ -53,8 +53,6 @@ NodeValueTable AudioRenderWorker::RenderBlock(const TrackOutput *track, const Ti
int destination_offset = audio_params_.time_to_bytes(range_for_block.in() - range.in());
int maximum_copy_size = audio_params_.time_to_bytes(range_for_block.length());
int copied_size = 0;
if (!samples_from_this_block.isEmpty()) {
// Stretch samples here
rational abs_speed = qAbs(b->speed());
@@ -82,11 +80,11 @@ NodeValueTable AudioRenderWorker::RenderBlock(const TrackOutput *track, const Ti
AudioManager::ReverseBuffer(samples_from_this_block.data(), samples_from_this_block.size(), audio_params_.samples_to_bytes(1));
}
copied_size = samples_from_this_block.size();
int actual_copy_size = qMin(maximum_copy_size, samples_from_this_block.size());
memcpy(block_range_buffer.data()+destination_offset,
samples_from_this_block.data(),
qMax(maximum_copy_size, copied_size));
actual_copy_size);
}
NodeValueTable::Merge({merged_table, table});