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audio: Fix SDL_GetAudioDeviceName() not working with logical devices.

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Fixes #12977.
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Ryan C. Gordon 2025-05-12 13:53:30 -04:00
parent e2f7c4046c
commit 0a34279578
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GPG key ID: FA148B892AB48044
1 changed files with 9 additions and 3 deletions
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12
src/audio/SDL_audio.c
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@ -1523,8 +1523,10 @@ SDL_AudioDevice *SDL_FindPhysicalAudioDeviceByHandle(void *handle)
const char *SDL_GetAudioDeviceName(SDL_AudioDeviceID devid)
{
// bit #1 of devid is set for physical devices and unset for logical.
const bool islogical = !(devid & (1<<1));
const char *result = NULL;
SDL_AudioDevice *device = NULL;
const void *vdev = NULL;
if (!SDL_GetCurrentAudioDriver()) {
SDL_SetError("Audio subsystem is not initialized");
@ -1534,10 +1536,14 @@ const char *SDL_GetAudioDeviceName(SDL_AudioDeviceID devid)
// remains valid (in case the device is unplugged at the wrong moment), we hold the
// device_hash_lock while we copy the string.
SDL_LockRWLockForReading(current_audio.device_hash_lock);
SDL_FindInHashTable(current_audio.device_hash, (const void *) (uintptr_t) devid, (const void **) &device);
if (!device) {
SDL_FindInHashTable(current_audio.device_hash, (const void *) (uintptr_t) devid, &vdev);
if (!vdev) {
SDL_SetError("Invalid audio device instance ID");
} else if (islogical) {
const SDL_LogicalAudioDevice *logdev = (const SDL_LogicalAudioDevice *) vdev;
result = SDL_GetPersistentString(logdev->physical_device->name);
} else {
const SDL_AudioDevice *device = (const SDL_AudioDevice *) vdev;
result = SDL_GetPersistentString(device->name);
}
SDL_UnlockRWLock(current_audio.device_hash_lock);