From 6cc7b55f160ffd74a51925901c5d3bb87532e858 Mon Sep 17 00:00:00 2001
From: Tom Yan <tom.ty89@gmail.com>
Date: Thu, 31 Dec 2020 18:10:29 +0800
Subject: [PATCH] mkvextract: fix channelConfiguration for 7.1 AAC

---
 src/extract/xtr_aac.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/extract/xtr_aac.cpp b/src/extract/xtr_aac.cpp
index 025559b3a..6f0b7142b 100644
--- a/src/extract/xtr_aac.cpp
+++ b/src/extract/xtr_aac.cpp
@@ -51,7 +51,7 @@ xtr_aac_c::create_file(xtr_base_c *master,
       mxerror(fmt::format(Y("Track {0} with the CodecID '{1}' contains invalid \"codec private\" data for AAC.\n"), m_tid, m_codec_id));
 
     m_id       = 0;
-    m_channels = audio_config->channels;
+    m_channels = audio_config->channels == 8 ? 7 : audio_config->channels;
     m_profile  = audio_config->profile;
 
     if (audio_config->ga_specific_config_contains_program_config_element) {