From 0d786493ef12f2d9a6d8a27d2c47b67f2e00c333 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Thu, 19 Dec 2019 13:53:30 +0100
Subject: [PATCH] Add an assertion.

---
 src/lib/ffmpeg_decoder.cc | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lib/ffmpeg_decoder.cc b/src/lib/ffmpeg_decoder.cc
index 3c5a09aea..2f92b9b7c 100644
--- a/src/lib/ffmpeg_decoder.cc
+++ b/src/lib/ffmpeg_decoder.cc
@@ -314,6 +314,7 @@ FFmpegDecoder::deinterleave_audio (shared_ptr<FFmpegAudioStream> stream) const
 	case AV_SAMPLE_FMT_FLTP:
 	{
 		float** p = reinterpret_cast<float**> (_frame->data);
+		DCPOMATIC_ASSERT (_frame->channels <= channels);
 		/* Sometimes there aren't as many channels in the _frame as in the stream */
 		for (int i = 0; i < _frame->channels; ++i) {
 			memcpy (data[i], p[i], frames * sizeof(float));
-- 
2.30.2