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pcm/Format: change parameters/return values to ConstBuffer

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This commit is contained in:
Max Kellermann
2014-01-06 22:42:02 +01:00
parent b0b7244b3a
commit c75339edcc
5 changed files with 192 additions and 295 deletions
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56
test/test_pcm_format.cxx
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@@ -29,86 +29,72 @@
void
PcmFormatTest::TestFormat8to16()
{
constexpr unsigned N = 256;
constexpr size_t N = 256;
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);
CPPUNIT_ASSERT_EQUAL(int(src[i]), d.data[i] >> 8);
}
void
PcmFormatTest::TestFormat16to24()
{
constexpr unsigned N = 256;
constexpr size_t N = 256;
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);
CPPUNIT_ASSERT_EQUAL(int(src[i]), d.data[i] >> 8);
}
void
PcmFormatTest::TestFormat16to32()
{
constexpr unsigned N = 256;
constexpr size_t N = 256;
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);
CPPUNIT_ASSERT_EQUAL(int(src[i]), d.data[i] >> 16);
}
void
PcmFormatTest::TestFormatFloat()
{
constexpr unsigned N = 256;
constexpr size_t N = 256;
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.data[i] >= -1.);
CPPUNIT_ASSERT(f.data[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]);
CPPUNIT_ASSERT_EQUAL(src[i], d.data[i]);
}