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util/{Const,Writable}Buffer: add operator[]

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This commit is contained in:
Max Kellermann
2014-03-01 07:25:17 +01:00
parent 9dc5335e3e
commit 4ba7427fa0
7 changed files with 41 additions and 19 deletions
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12
test/test_pcm_channels.cxx
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@@ -39,7 +39,7 @@ PcmChannelsTest::TestChannels16()
CPPUNIT_ASSERT_EQUAL(N, dest.size);
for (unsigned i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(int16_t((src[i * 2] + src[i * 2 + 1]) / 2),
dest.data[i]);
dest[i]);
/* mono to stereo */
@@ -47,8 +47,8 @@ PcmChannelsTest::TestChannels16()
CPPUNIT_ASSERT(!dest.IsNull());
CPPUNIT_ASSERT_EQUAL(N * 4, dest.size);
for (unsigned i = 0; i < N; ++i) {
CPPUNIT_ASSERT_EQUAL(src[i], dest.data[i * 2]);
CPPUNIT_ASSERT_EQUAL(src[i], dest.data[i * 2 + 1]);
CPPUNIT_ASSERT_EQUAL(src[i], dest[i * 2]);
CPPUNIT_ASSERT_EQUAL(src[i], dest[i * 2 + 1]);
}
}
@@ -67,7 +67,7 @@ PcmChannelsTest::TestChannels32()
CPPUNIT_ASSERT_EQUAL(N, dest.size);
for (unsigned i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(int32_t(((int64_t)src[i * 2] + (int64_t)src[i * 2 + 1]) / 2),
dest.data[i]);
dest[i]);
/* mono to stereo */
@@ -75,7 +75,7 @@ PcmChannelsTest::TestChannels32()
CPPUNIT_ASSERT(!dest.IsNull());
CPPUNIT_ASSERT_EQUAL(N * 4, dest.size);
for (unsigned i = 0; i < N; ++i) {
CPPUNIT_ASSERT_EQUAL(src[i], dest.data[i * 2]);
CPPUNIT_ASSERT_EQUAL(src[i], dest.data[i * 2 + 1]);
CPPUNIT_ASSERT_EQUAL(src[i], dest[i * 2]);
CPPUNIT_ASSERT_EQUAL(src[i], dest[i * 2 + 1]);
}
}

12
test/test_pcm_format.cxx
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@@ -39,7 +39,7 @@ PcmFormatTest::TestFormat8to16()
CPPUNIT_ASSERT_EQUAL(N, d.size);
for (size_t i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(int(src[i]), d.data[i] >> 8);
CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 8);
}
void
@@ -54,7 +54,7 @@ PcmFormatTest::TestFormat16to24()
CPPUNIT_ASSERT_EQUAL(N, d.size);
for (size_t i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(int(src[i]), d.data[i] >> 8);
CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 8);
}
void
@@ -69,7 +69,7 @@ PcmFormatTest::TestFormat16to32()
CPPUNIT_ASSERT_EQUAL(N, d.size);
for (size_t i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(int(src[i]), d.data[i] >> 16);
CPPUNIT_ASSERT_EQUAL(int(src[i]), d[i] >> 16);
}
void
@@ -84,8 +84,8 @@ PcmFormatTest::TestFormatFloat()
CPPUNIT_ASSERT_EQUAL(N, f.size);
for (size_t i = 0; i != f.size; ++i) {
CPPUNIT_ASSERT(f.data[i] >= -1.);
CPPUNIT_ASSERT(f.data[i] <= 1.);
CPPUNIT_ASSERT(f[i] >= -1.);
CPPUNIT_ASSERT(f[i] <= 1.);
}
PcmDither dither;
@@ -96,5 +96,5 @@ PcmFormatTest::TestFormatFloat()
CPPUNIT_ASSERT_EQUAL(N, d.size);
for (size_t i = 0; i < N; ++i)
CPPUNIT_ASSERT_EQUAL(src[i], d.data[i]);
CPPUNIT_ASSERT_EQUAL(src[i], d[i]);
}

6
test/test_pcm_volume.cxx
View File

@@ -61,8 +61,8 @@ TestVolume(G g=G())
const auto _dest = ConstBuffer<value_type>::FromVoid(dest);
for (unsigned i = 0; i < N; ++i) {
const auto expected = (_src[i] + 1) / 2;
CPPUNIT_ASSERT(_dest.data[i] >= expected - 4);
CPPUNIT_ASSERT(_dest.data[i] <= expected + 4);
CPPUNIT_ASSERT(_dest[i] >= expected - 4);
CPPUNIT_ASSERT(_dest[i] <= expected + 4);
}
pv.Close();
@@ -119,7 +119,7 @@ PcmVolumeTest::TestVolumeFloat()
const auto _dest = ConstBuffer<float>::FromVoid(dest);
for (unsigned i = 0; i < N; ++i)
CPPUNIT_ASSERT_DOUBLES_EQUAL(_src[i] / 2, _dest.data[i], 1);
CPPUNIT_ASSERT_DOUBLES_EQUAL(_src[i] / 2, _dest[i], 1);
pv.Close();
}