mirrors/SDL
1
0
Fork 0
mirror of https://github.com/libsdl-org/SDL.git synced 2025-09-28 14:08:28 +00:00
Code Issues Packages Projects Releases Wiki Activity

Add SDL_GetDefaultAudioInfo.

Browse Source 
This API is supported on pipewire, pulseaudio, wasapi, and directsound.

Co-authored-by: Frank Praznik <frank.praznik@gmail.com>
This commit is contained in:
Ethan Lee
2022-07-11 13:08:30 -04:00
parent 15d0618083
commit 2f0816adb7
15 changed files with 334 additions and 31 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
src/core/windows/SDL_immdevice.c
View File

@@ -471,6 +471,40 @@ SDL_IMMDevice_EnumerateEndpoints(SDL_bool useguid)
IMMDeviceEnumerator_RegisterEndpointNotificationCallback(enumerator, (IMMNotificationClient *)&notification_client);
}
int
SDL_IMMDevice_GetDefaultAudioInfo(char **name, SDL_AudioSpec *spec, int iscapture)
{
WAVEFORMATEXTENSIBLE fmt;
IMMDevice *device = NULL;
char *filler;
GUID morefiller;
const EDataFlow dataflow = iscapture ? eCapture : eRender;
HRESULT ret = IMMDeviceEnumerator_GetDefaultAudioEndpoint(enumerator, dataflow, SDL_IMMDevice_role, &device);
if (FAILED(ret)) {
SDL_assert(device == NULL);
return WIN_SetErrorFromHRESULT("WASAPI can't find default audio endpoint", ret);
}
if (name == NULL) {
name = &filler;
}
SDL_zero(fmt);
GetMMDeviceInfo(device, name, &fmt, &morefiller);
IMMDevice_Release(device);
if (name == &filler) {
SDL_free(filler);
}
SDL_zerop(spec);
spec->channels = (Uint8)fmt.Format.nChannels;
spec->freq = fmt.Format.nSamplesPerSec;
spec->format = WaveFormatToSDLFormat((WAVEFORMATEX *) &fmt);
return 0;
}
SDL_AudioFormat
WaveFormatToSDLFormat(WAVEFORMATEX *waveformat)
{