Various fixes to make audio analysis sort-of work.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/lib/audio_buffers.cc b/src/lib/audio_buffers.cc
index c3e89f130..403babaf7 100644
--- a/src/lib/audio_buffers.cc
+++ b/src/lib/audio_buffers.cc
@@ -206,6 +206,9 @@ AudioBuffers::accumulate_channel (AudioBuffers const * from, int from_channel, i
 	}
 }
 
+/** Ensure we have space for at least a certain number of frames.  If we extend
+ *  the buffers, fill the new space with silence.
+ */
 void
 AudioBuffers::ensure_size (int frames)
 {
@@ -218,6 +221,9 @@ AudioBuffers::ensure_size (int frames)
 		if (!_data[i]) {
 			throw bad_alloc ();
 		}
+		for (int j = _allocated_frames; j < frames; ++j) {
+			_data[i][j] = 0;
+		}
 	}
 
 	_allocated_frames = frames;