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ggwave v0.2.0 (#20)

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* ggwave : add support for fixed length transmissions

* spectrogram : add sample rate offset for debugging purposes

* gwave : fix decoding bug

* waver : wip

* wip

* remove post-marker frames

* add resampler

* ggwave : input/output resampling

* ggwave : fix python build

* ggwave : update spm

* ggwave : refactor duplicate encode/decode code

* ggwave : fix sound marker detection

* waver : fix typo

* ggwave : fix uninitialized members

* ggwave : more sensitive receive
This commit is contained in:
Georgi Gerganov
2021-02-20 19:16:15 +02:00
committed by GitHub
parent ff5c569071
commit 19bf22df0d
17 changed files with 921 additions and 366 deletions
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24
examples/ggwave-common-sdl2.cpp
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@@ -77,7 +77,9 @@ void GGWave_setDefaultCaptureDeviceName(std::string name) {
bool GGWave_init(
const int playbackId,
const int captureId) {
const int captureId,
const int payloadLength,
const int sampleRateOffset) {
if (g_devIdInp && g_devIdOut) {
return false;
@@ -117,7 +119,7 @@ bool GGWave_init(
SDL_AudioSpec playbackSpec;
SDL_zero(playbackSpec);
playbackSpec.freq = GGWave::kBaseSampleRate;
playbackSpec.freq = GGWave::kBaseSampleRate + sampleRateOffset;
playbackSpec.format = AUDIO_S16SYS;
playbackSpec.channels = 1;
playbackSpec.samples = 16*1024;
@@ -160,7 +162,7 @@ bool GGWave_init(
if (g_devIdInp == 0) {
SDL_AudioSpec captureSpec;
captureSpec = g_obtainedSpecOut;
captureSpec.freq = GGWave::kBaseSampleRate;
captureSpec.freq = GGWave::kBaseSampleRate + sampleRateOffset;
captureSpec.format = AUDIO_F32SYS;
captureSpec.samples = 4096;
@@ -214,11 +216,12 @@ bool GGWave_init(
if (g_ggWave) delete g_ggWave;
g_ggWave = new GGWave({
g_obtainedSpecInp.freq,
g_obtainedSpecOut.freq,
GGWave::kDefaultSamplesPerFrame,
sampleFormatInp,
sampleFormatOut});
payloadLength,
g_obtainedSpecInp.freq,
g_obtainedSpecOut.freq,
GGWave::kDefaultSamplesPerFrame,
sampleFormatInp,
sampleFormatOut});
}
return true;
@@ -280,8 +283,9 @@ bool GGWave_deinit() {
SDL_CloseAudioDevice(g_devIdInp);
SDL_PauseAudioDevice(g_devIdOut, 1);
SDL_CloseAudioDevice(g_devIdOut);
SDL_CloseAudio();
SDL_Quit();
g_devIdInp = 0;
g_devIdOut = 0;
return true;
}