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-rw-r--r--drivers/opus/opus.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/opus/opus.h b/drivers/opus/opus.h
index b99f553016..4cb171378b 100644
--- a/drivers/opus/opus.h
+++ b/drivers/opus/opus.h
@@ -616,7 +616,10 @@ OPUS_EXPORT void opus_pcm_soft_clip(float *pcm, int frame_size, int channels, fl
* merged. Splitting valid Opus packets is always guaranteed to succeed,
* whereas merging valid packets only succeeds if all frames have the same
* mode, bandwidth, and frame size, and when the total duration of the merged
- * packet is no more than 120 ms.
+ * packet is no more than 120 ms. The 120 ms limit comes from the
+ * specification and limits decoder memory requirements at a point where
+ * framing overhead becomes negligible.
+ *
* The repacketizer currently only operates on elementary Opus
* streams. It will not manipualte multistream packets successfully, except in
* the degenerate case where they consist of data from a single stream.