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-rw-r--r--test/test_pcm_format.cxx70
1 files changed, 38 insertions, 32 deletions
diff --git a/test/test_pcm_format.cxx b/test/test_pcm_format.cxx
index 49f4ccd4b..825a8bd84 100644
--- a/test/test_pcm_format.cxx
+++ b/test/test_pcm_format.cxx
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2003-2013 The Music Player Daemon Project
+ * Copyright (C) 2003-2014 The Music Player Daemon Project
* http://www.musicpd.org
*
* This program is free software; you can redistribute it and/or modify
@@ -29,17 +29,14 @@
void
PcmFormatTest::TestFormat8to16()
{
- constexpr unsigned N = 256;
+ constexpr size_t N = 509;
const auto src = TestDataBuffer<int8_t, N>();
PcmBuffer buffer;
- size_t d_size;
PcmDither dither;
- auto d = pcm_convert_to_16(buffer, dither, SampleFormat::S8,
- src, sizeof(src), &d_size);
- auto d_end = pcm_end_pointer(d, d_size);
- CPPUNIT_ASSERT_EQUAL(N, unsigned(d_end - d));
+ auto d = pcm_convert_to_16(buffer, dither, SampleFormat::S8, src);
+ CPPUNIT_ASSERT_EQUAL(N, d.size);
for (size_t i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 8);
@@ -48,16 +45,13 @@ PcmFormatTest::TestFormat8to16()
void
PcmFormatTest::TestFormat16to24()
{
- constexpr unsigned N = 256;
+ constexpr size_t N = 509;
const auto src = TestDataBuffer<int16_t, N>();
PcmBuffer buffer;
- size_t d_size;
- auto d = pcm_convert_to_24(buffer, SampleFormat::S16,
- src, sizeof(src), &d_size);
- auto d_end = pcm_end_pointer(d, d_size);
- CPPUNIT_ASSERT_EQUAL(N, unsigned(d_end - d));
+ auto d = pcm_convert_to_24(buffer, SampleFormat::S16, src);
+ CPPUNIT_ASSERT_EQUAL(N, d.size);
for (size_t i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 8);
@@ -66,16 +60,13 @@ PcmFormatTest::TestFormat16to24()
void
PcmFormatTest::TestFormat16to32()
{
- constexpr unsigned N = 256;
+ constexpr size_t N = 509;
const auto src = TestDataBuffer<int16_t, N>();
PcmBuffer buffer;
- size_t d_size;
- auto d = pcm_convert_to_32(buffer, SampleFormat::S16,
- src, sizeof(src), &d_size);
- auto d_end = pcm_end_pointer(d, d_size);
- CPPUNIT_ASSERT_EQUAL(N, unsigned(d_end - d));
+ auto d = pcm_convert_to_32(buffer, SampleFormat::S16, src);
+ CPPUNIT_ASSERT_EQUAL(N, d.size);
for (size_t i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 16);
@@ -84,31 +75,46 @@ PcmFormatTest::TestFormat16to32()
void
PcmFormatTest::TestFormatFloat()
{
- constexpr unsigned N = 256;
+ constexpr size_t N = 509;
const auto src = TestDataBuffer<int16_t, N>();
PcmBuffer buffer1, buffer2;
- size_t f_size;
- auto f = pcm_convert_to_float(buffer1, SampleFormat::S16,
- src, sizeof(src), &f_size);
- auto f_end = pcm_end_pointer(f, f_size);
- CPPUNIT_ASSERT_EQUAL(N, unsigned(f_end - f));
+ auto f = pcm_convert_to_float(buffer1, SampleFormat::S16, src);
+ CPPUNIT_ASSERT_EQUAL(N, f.size);
- for (auto i = f; i != f_end; ++i) {
- CPPUNIT_ASSERT(*i >= -1.);
- CPPUNIT_ASSERT(*i <= 1.);
+ for (size_t i = 0; i != f.size; ++i) {
+ CPPUNIT_ASSERT(f[i] >= -1.);
+ CPPUNIT_ASSERT(f[i] <= 1.);
}
PcmDither dither;
- size_t d_size;
auto d = pcm_convert_to_16(buffer2, dither,
SampleFormat::FLOAT,
- f, f_size, &d_size);
- auto d_end = pcm_end_pointer(d, d_size);
- CPPUNIT_ASSERT_EQUAL(N, unsigned(d_end - d));
+ f.ToVoid());
+ CPPUNIT_ASSERT_EQUAL(N, d.size);
for (size_t i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(src[i], d[i]);
+
+ /* check if clamping works */
+ float *writable = const_cast<float *>(f.data);
+ *writable++ = 1.01;
+ *writable++ = 10;
+ *writable++ = -1.01;
+ *writable++ = -10;
+
+ d = pcm_convert_to_16(buffer2, dither,
+ SampleFormat::FLOAT,
+ f.ToVoid());
+ CPPUNIT_ASSERT_EQUAL(N, d.size);
+
+ CPPUNIT_ASSERT_EQUAL(32767, int(d[0]));
+ CPPUNIT_ASSERT_EQUAL(32767, int(d[1]));
+ CPPUNIT_ASSERT_EQUAL(-32768, int(d[2]));
+ CPPUNIT_ASSERT_EQUAL(-32768, int(d[3]));
+
+ for (size_t i = 4; i < N; ++i)
+ CPPUNIT_ASSERT_EQUAL(src[i], d[i]);
}