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Another potential fix for some full-duplex glitching.

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This change makes it so reading and writing is done on the smaller of
the period sizes between capture and playback devices.
This commit is contained in:
David Reid
2019-02-27 18:18:01 +10:00
parent 997d8a8d9d
commit 957de48d80
2 changed files with 25 additions and 11 deletions
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tests/mal_duplex.c
+8 -7
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@@ -31,7 +31,7 @@ void data_callback(mal_device* pDevice, void* pOutput, const void* pInput, mal_u
/* In this test the format and channel count are the same for both input and output which means we can just memcpy(). */
mal_copy_memory(pOutput, pInput, frameCount * mal_get_bytes_per_frame(pDevice->capture.format, pDevice->capture.channels));
#if 0
#if 1
/* Also write to a wav file for debugging. */
drwav* pWav = (drwav*)pDevice->pUserData;
mal_assert(pWav != NULL);
@@ -44,7 +44,7 @@ int main(int argc, char** argv)
{
mal_result result;
#if 0
#if 1
drwav_data_format wavFormat;
wavFormat.container = drwav_container_riff;
wavFormat.format = DR_WAVE_FORMAT_PCM;
@@ -60,7 +60,7 @@ int main(int argc, char** argv)
#endif
mal_backend backend = mal_backend_wasapi;
mal_backend backend = mal_backend_dsound;
mal_context_config contextConfig = mal_context_config_init();
contextConfig.logCallback = log_callback;
@@ -81,11 +81,12 @@ int main(int argc, char** argv)
deviceConfig.playback.channels = 2;
deviceConfig.playback.shareMode = mal_share_mode_shared;
deviceConfig.sampleRate = 44100;
deviceConfig.bufferSizeInMilliseconds = 100;
deviceConfig.periods = 2;
//deviceConfig.bufferSizeInMilliseconds = 60;
deviceConfig.bufferSizeInFrames = 4096;
//deviceConfig.periods = 3;
deviceConfig.dataCallback = data_callback;
deviceConfig.stopCallback = stop_callback;
deviceConfig.pUserData = NULL/*&wav*/;
deviceConfig.pUserData = &wav;
mal_device device;
result = mal_device_init(&context, &deviceConfig, &device);
@@ -107,7 +108,7 @@ int main(int argc, char** argv)
#endif
mal_device_uninit(&device);
/*drwav_uninit(&wav);*/
drwav_uninit(&wav);
(void)argc;
(void)argv;