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ggwave : switch to floating point sampling rate

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This commit is contained in:
Georgi Gerganov
2021-02-27 12:23:25 +02:00
parent 5b5293d764
commit 1c59e38696
10 changed files with 35 additions and 61 deletions
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32
examples/spectrogram/main.cpp
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@@ -42,7 +42,7 @@ int g_freqDataHead = 0;
int g_freqDataSize = 0;
std::vector<FreqData> g_freqData;
int g_sampleRateOffset = 0;
float g_sampleRateOffset = 0;
}
@@ -84,8 +84,6 @@ bool GGWave_init(
}
}
bool reinit = false;
if (g_devIdOut == 0) {
printf("Initializing playback ...\n");
@@ -127,8 +125,6 @@ bool GGWave_init(
return false;
}
reinit = true;
}
}
@@ -158,33 +154,9 @@ bool GGWave_init(
printf(" - Format: %d (required: %d)\n", g_obtainedSpecInp.format, captureSpec.format);
printf(" - Channels: %d (required: %d)\n", g_obtainedSpecInp.channels, captureSpec.channels);
printf(" - Samples per frame: %d\n", g_obtainedSpecInp.samples);
reinit = true;
}
}
GGWave::SampleFormat sampleFormatInp = GGWAVE_SAMPLE_FORMAT_UNDEFINED;
GGWave::SampleFormat sampleFormatOut = GGWAVE_SAMPLE_FORMAT_UNDEFINED;
switch (g_obtainedSpecInp.format) {
case AUDIO_U8: sampleFormatInp = GGWAVE_SAMPLE_FORMAT_U8; break;
case AUDIO_S8: sampleFormatInp = GGWAVE_SAMPLE_FORMAT_I8; break;
case AUDIO_U16SYS: sampleFormatInp = GGWAVE_SAMPLE_FORMAT_U16; break;
case AUDIO_S16SYS: sampleFormatInp = GGWAVE_SAMPLE_FORMAT_I16; break;
case AUDIO_S32SYS: sampleFormatInp = GGWAVE_SAMPLE_FORMAT_F32; break;
case AUDIO_F32SYS: sampleFormatInp = GGWAVE_SAMPLE_FORMAT_F32; break;
}
switch (g_obtainedSpecOut.format) {
case AUDIO_U8: sampleFormatOut = GGWAVE_SAMPLE_FORMAT_U8; break;
case AUDIO_S8: sampleFormatOut = GGWAVE_SAMPLE_FORMAT_I8; break;
case AUDIO_U16SYS: sampleFormatOut = GGWAVE_SAMPLE_FORMAT_U16; break;
case AUDIO_S16SYS: sampleFormatOut = GGWAVE_SAMPLE_FORMAT_I16; break;
case AUDIO_S32SYS: sampleFormatOut = GGWAVE_SAMPLE_FORMAT_F32; break;
case AUDIO_F32SYS: sampleFormatOut = GGWAVE_SAMPLE_FORMAT_F32; break;
break;
}
return true;
}
@@ -477,7 +449,7 @@ int main(int argc, char** argv) {
ImGui::DragInt("Min", &g_binMin, 1, 0, g_binMax - 1);
ImGui::DragInt("Max", &g_binMax, 1, g_binMin + 1, g_nSamplesPerFrame/2);
ImGui::DragFloat("Scale", &g_scale, 1.0f, 1.0f, 1000.0f);
if (ImGui::SliderInt("Offset", &g_sampleRateOffset, -2048, 2048)) {
if (ImGui::SliderFloat("Offset", &g_sampleRateOffset, -2048, 2048)) {
GGWave_deinit();
GGWave_init(0, 0);
}