From f2a3dfd700a7d19bc39509dce226262347dd7f9b Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Tue, 26 Apr 2022 20:51:49 +0200
Subject: [PATCH] decoder/ffmpeg: add missing nullptr checks

Fixes part 1 of https://github.com/MusicPlayerDaemon/MPD/issues/1490
---
 src/decoder/plugins/FfmpegDecoderPlugin.cxx | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/src/decoder/plugins/FfmpegDecoderPlugin.cxx b/src/decoder/plugins/FfmpegDecoderPlugin.cxx
index b7b4bc93d..f9915554a 100644
--- a/src/decoder/plugins/FfmpegDecoderPlugin.cxx
+++ b/src/decoder/plugins/FfmpegDecoderPlugin.cxx
@@ -384,7 +384,8 @@ static void
 FfmpegParseMetaData(const AVStream &stream,
 		    ReplayGainInfo &rg, MixRampInfo &mr)
 {
-	FfmpegParseMetaData(*stream.metadata, rg, mr);
+	if (stream.metadata != nullptr)
+		FfmpegParseMetaData(*stream.metadata, rg, mr);
 }
 
 static void
@@ -393,7 +394,9 @@ FfmpegParseMetaData(const AVFormatContext &format_context, int audio_stream,
 {
 	assert(audio_stream >= 0);
 
-	FfmpegParseMetaData(*format_context.metadata, rg, mr);
+	if (format_context.metadata != nullptr)
+		FfmpegParseMetaData(*format_context.metadata, rg, mr);
+
 	FfmpegParseMetaData(*format_context.streams[audio_stream],
 				    rg, mr);
 }