1 files changed, 3 insertions, 0 deletions
diff --git a/src/pcm_utils.c b/src/pcm_utils.c
index 5d315bdb3..bd7fc0482 100644
--- a/src/pcm_utils.c
+++ b/src/pcm_utils.c
@@ -560,6 +560,9 @@ size_t pcm_convert_size(const struct audio_format *inFormat, size_t src_size,
 	const int shift = 2 * outFormat->channels;
 	size_t dest_size = src_size;
 
+	/* no partial frames allowed */
+	assert((src_size % audio_format_frame_size(inFormat)) == 0);
+
 	switch (inFormat->bits) {
 	case 8:
 		dest_size <<= 1;