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Potential fixes for audio on RPI and Emscripten builds.

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This commit is contained in:
David Reid
2017-11-24 22:13:33 +10:00
parent 5463e14886
commit a0d9913c7c
2 changed files with 17 additions and 4 deletions
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10
src/audio.c
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@ -393,14 +393,23 @@ void InitAudioDevice(void)
mal_result result = mal_context_init(NULL, 0, &contextConfig, &context);
if (result != MAL_SUCCESS)
{
TraceLog(LOG_ERROR, "Failed to initialize audio context");
return;
}
// Device. Using the default device. Format is floating point because it simplifies mixing.
mal_device_config deviceConfig = mal_device_config_init(DEVICE_FORMAT, DEVICE_CHANNELS, DEVICE_SAMPLE_RATE, NULL, OnSendAudioDataToDevice);
// Special case for PLATFORM_RPI.
#if defined(PLATFORM_RPI)
deviceConfig.alsa.noMMap = MAL_TRUE;
deviceConfig.bufferSizeInFrames = 2048;
#endif
result = mal_device_init(&context, mal_device_type_playback, NULL, &deviceConfig, NULL, &device);
if (result != MAL_SUCCESS)
{
TraceLog(LOG_ERROR, "Failed to initialize audio playback device");
mal_context_uninit(&context);
return;
}
@ -410,6 +419,7 @@ void InitAudioDevice(void)
result = mal_device_start(&device);
if (result != MAL_SUCCESS)
{
TraceLog(LOG_ERROR, "Failed to start audio playback device");
mal_device_uninit(&device);
mal_context_uninit(&context);
return;