From 6f832724ef942f133f6f8d0a06d7377beea8f7a6 Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Wed, 19 May 2021 22:54:19 +0200
Subject: [PATCH] Don't assert on a non-existant codec (#1999).

---
 src/lib/ffmpeg_examiner.cc | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/src/lib/ffmpeg_examiner.cc b/src/lib/ffmpeg_examiner.cc
index 632508e0e..a793c7b98 100644
--- a/src/lib/ffmpeg_examiner.cc
+++ b/src/lib/ffmpeg_examiner.cc
@@ -69,7 +69,8 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr<const FFmpegContent> c, shared_ptr<Jo
 
 	for (uint32_t i = 0; i < _format_context->nb_streams; ++i) {
 		auto s = _format_context->streams[i];
-		if (s->codecpar->codec_type == AVMEDIA_TYPE_AUDIO) {
+		auto codec = _codec_context[i]->codec;
+		if (s->codecpar->codec_type == AVMEDIA_TYPE_AUDIO && codec) {
 
 			/* This is a hack; sometimes it seems that _audio_codec_context->channel_layout isn't set up,
 			   so bodge it here.  No idea why we should have to do this.
@@ -79,10 +80,7 @@ FFmpegExaminer::FFmpegExaminer (shared_ptr<const FFmpegContent> c, shared_ptr<Jo
 				s->codecpar->channel_layout = av_get_default_channel_layout (s->codecpar->channels);
 			}
 
-			auto codec = _codec_context[i]->codec;
-
 			DCPOMATIC_ASSERT (_format_context->duration != AV_NOPTS_VALUE);
-			DCPOMATIC_ASSERT (codec);
 			DCPOMATIC_ASSERT (codec->name);
 
 			_audio_streams.push_back (
-- 
2.30.2