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-rw-r--r--src/engine/AudioBuffer.cpp13
1 files changed, 7 insertions, 6 deletions
diff --git a/src/engine/AudioBuffer.cpp b/src/engine/AudioBuffer.cpp
index 2fc1b234..4ee42274 100644
--- a/src/engine/AudioBuffer.cpp
+++ b/src/engine/AudioBuffer.cpp
@@ -204,13 +204,13 @@ AudioBuffer::copy(const Buffer* src, size_t start_sample, size_t end_sample)
const Sample* const src_buf = ((AudioBuffer*)src)->data();
assert(src_buf);
- const size_t to_copy = std::min(end_sample, _size);
- for (size_t i=start_sample; i <= to_copy; ++i)
+ const size_t to_copy = std::min(end_sample, _size - 1);
+ for (size_t i = start_sample; i <= to_copy; ++i)
buf[i] = src_buf[i];
}
-/** Accumulate a block of @a src into @a dst.
+/** Accumulate a block of @a src into buffer.
*
* @a start_sample and @a end_sample define the inclusive range to be accumulated.
* This function only adds the same range in one buffer to another.
@@ -219,16 +219,17 @@ void
AudioBuffer::accumulate(const AudioBuffer* const src, size_t start_sample, size_t end_sample)
{
assert(end_sample >= start_sample);
- assert(end_sample < _size);
assert(src);
-
+ assert(src->type() == DataType::CONTROL || DataType::AUDIO);
+
Sample* const buf = data();
assert(buf);
const Sample* const src_buf = src->data();
assert(src_buf);
- for (size_t i=start_sample; i <= end_sample; ++i)
+ const size_t to_copy = std::min(end_sample, _size - 1);
+ for (size_t i = start_sample; i <= to_copy; ++i)
buf[i] += src_buf[i];
}