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-rw-r--r--src/engine/AudioBuffer.cpp14
1 files changed, 5 insertions, 9 deletions
diff --git a/src/engine/AudioBuffer.cpp b/src/engine/AudioBuffer.cpp
index 633a004b..b564a3ba 100644
--- a/src/engine/AudioBuffer.cpp
+++ b/src/engine/AudioBuffer.cpp
@@ -185,16 +185,12 @@ AudioBuffer::copy(Context& context, const Buffer* src)
* This function only adds the same range in one buffer to another.
*/
void
-AudioBuffer::mix(Context& context, const Buffer* const src)
+AudioBuffer::accumulate(Context& context, const AudioBuffer* const src)
{
- const AudioBuffer* src_abuf = dynamic_cast<const AudioBuffer*>(src);
- if (!src_abuf)
- return;
-
Sample* const buf = data();
- const Sample* const src_buf = src_abuf->data();
+ const Sample* const src_buf = src->data();
- const size_t frames = std::min(nframes(), src_abuf->nframes());
+ const size_t frames = std::min(nframes(), src->nframes());
assert(frames != 0);
// Mix initial portions
@@ -204,8 +200,8 @@ AudioBuffer::mix(Context& context, const Buffer* const src)
// Extend/Mix the final sample of src if it is shorter
const Sample last = src_buf[i - 1];
- while (i < frames)
- buf[i++] = last;
+ while (i < nframes())
+ buf[i++] += last;
}