From 2b43ceb6c68e93feff830d2946abc8dc8f069421 Mon Sep 17 00:00:00 2001
From: Max Kellermann <max@musicpd.org>
Date: Wed, 11 Jan 2017 10:06:27 +0100
Subject: pcm/Export: DSD_U32 quarters the sample rate

DSD_U32 packs four bytes instead of one large "sample", thus the
sample rate is one quarter of the input sample rate.  This fixes a
rather critical DSD_U32 playback problem.
---
 test/test_pcm_export.cxx | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'test')

diff --git a/test/test_pcm_export.cxx b/test/test_pcm_export.cxx
index 2c2e32013..5dded1367 100644
--- a/test/test_pcm_export.cxx
+++ b/test/test_pcm_export.cxx
@@ -146,6 +146,9 @@ PcmExportTest::TestDsdU32()
 	PcmExport::Params params;
 	params.dsd_u32 = true;
 
+	CPPUNIT_ASSERT_EQUAL(params.CalcOutputSampleRate(705600u), 176400u);
+	CPPUNIT_ASSERT_EQUAL(params.CalcInputSampleRate(176400u), 705600u);
+
 	PcmExport e;
 	e.Open(SampleFormat::DSD, 2, params);
 
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