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authorCarl Hetherington <cth@carlh.net>2022-11-22 02:16:40 +0100
committerCarl Hetherington <cth@carlh.net>2022-11-26 00:09:27 +0100
commit8dfef0f38cc3323bc4a5d90c9102e8d3965496a4 (patch)
treee5852df8f285a1561a6c4737ee6743e29380d3b4 /src
parent5799460dc38bafa1da1ce9f7bf43621d3fadf442 (diff)
Fix audio glitches when merging resampled audio (#2373).
Diffstat (limited to 'src')
-rw-r--r--src/lib/audio_content.cc8
1 files changed, 5 insertions, 3 deletions
diff --git a/src/lib/audio_content.cc b/src/lib/audio_content.cc
index 05c388a3e..acd3b81b4 100644
--- a/src/lib/audio_content.cc
+++ b/src/lib/audio_content.cc
@@ -422,9 +422,11 @@ AudioContent::modify_position (shared_ptr<const Film> film, DCPTime& pos) const
void
AudioContent::modify_trim_start(shared_ptr<const Film> film, ContentTime& trim) const
{
- DCPOMATIC_ASSERT (!_streams.empty());
- /* XXX: we're in trouble if streams have different rates */
- trim = trim.round (_streams.front()->frame_rate());
+ /* When this trim is used it the audio will have been resampled, and using the
+ * DCP rate here reduces the chance of rounding errors causing audio glitches
+ * due to errors in placement of audio frames (#2373).
+ */
+ trim = trim.round(film ? film->audio_frame_rate() : 48000);
}