From e67ce8ae4b9121bbcef2c1dcb61bdb5b9330ad78 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Wed, 27 Sep 2023 00:16:38 +0200
Subject: Fix errors with WAVs containing markers (#2617).

I'm not 100% sure about this but they seem to end up giving audio
packets with no channels and no frames.  Here we handle such packets
better.
---
 src/lib/ffmpeg_decoder.cc | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/lib/ffmpeg_decoder.cc')

diff --git a/src/lib/ffmpeg_decoder.cc b/src/lib/ffmpeg_decoder.cc
index efe151530..c3d32bc75 100644
--- a/src/lib/ffmpeg_decoder.cc
+++ b/src/lib/ffmpeg_decoder.cc
@@ -266,6 +266,10 @@ deinterleave_audio(AVFrame* frame)
 	auto audio = make_shared<AudioBuffers>(channels, frames);
 	auto data = audio->data();
 
+	if (frames == 0) {
+		return audio;
+	}
+
 	switch (format) {
 	case AV_SAMPLE_FMT_U8:
 	{
-- 
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