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Code Issues Releases Wiki Activity

Add test for channel downmixing

This commit is contained in:
Thomas Goyne 2014-07-10 10:21:18 -07:00
parent f32bdff84a
commit 63de3232f7
1 changed files with 29 additions and 0 deletions
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29
tests/tests/audio.cpp
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@ -236,6 +236,35 @@ TEST(lagi_audio, sample_doubling) {
}
}
TEST(lagi_audio, stereo_downmix) {
struct AudioProvider : agi::AudioProvider {
AudioProvider() {
channels = 2;
num_samples = 90 * 480000;
decoded_samples = num_samples;
sample_rate = 480000;
bytes_per_sample = 2;
float_samples = false;
}
void FillBuffer(void *buf, int64_t start, int64_t count) const override {
auto out = static_cast<int16_t *>(buf);
for (int64_t end = start + count; start < end; ++start) {
*out++ = (int16_t)(start * 2);
*out++ = 0;
}
}
};
auto provider = agi::CreateConvertAudioProvider(agi::make_unique<AudioProvider>());
EXPECT_EQ(1, provider->GetChannels());
int16_t samples[100];
provider->GetAudio(samples, 0, 100);
for (int i = 0; i < 100; ++i)
EXPECT_EQ(i, samples[i]);
}
TEST(lagi_audio, pcm_simple) {
auto path = agi::Path().Decode("?temp/pcm_simple");
{