From d1c5bb956ade7fc414f20c986d3a764c24b86e03 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@duempel.org>
Date: Wed, 27 Jul 2016 14:58:41 +0200
Subject: [PATCH] decoder/ffmpeg: move code to IsAudio()

---
 src/decoder/plugins/FfmpegDecoderPlugin.cxx | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/src/decoder/plugins/FfmpegDecoderPlugin.cxx b/src/decoder/plugins/FfmpegDecoderPlugin.cxx
index bfaca8033..3d2f90bc3 100644
--- a/src/decoder/plugins/FfmpegDecoderPlugin.cxx
+++ b/src/decoder/plugins/FfmpegDecoderPlugin.cxx
@@ -76,13 +76,19 @@ ffmpeg_init(gcc_unused const config_param &param)
 	return true;
 }
 
+gcc_pure
+static bool
+IsAudio(const AVStream &stream)
+{
+	return stream.codec->codec_type == AVMEDIA_TYPE_AUDIO;
+}
+
 gcc_pure
 static int
 ffmpeg_find_audio_stream(const AVFormatContext &format_context)
 {
 	for (unsigned i = 0; i < format_context.nb_streams; ++i)
-		if (format_context.streams[i]->codec->codec_type ==
-		    AVMEDIA_TYPE_AUDIO)
+		if (IsAudio(*format_context.streams[i]))
 			return i;
 
 	return -1;