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Android audio device selection (#6824)

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Make it possible to select a specific audio device for Android
This commit is contained in:
Maido
2022-12-16 17:38:57 +02:00
committed by GitHub
parent a53382e460
commit 741499dea7
9 changed files with 277 additions and 33 deletions
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52
src/audio/android/SDL_androidaudio.c
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@@ -35,6 +35,44 @@
static SDL_AudioDevice *audioDevice = NULL;
static SDL_AudioDevice *captureDevice = NULL;
static void ANDROIDAUDIO_DetectDevices(void) {
int *inputs;
inputs = SDL_malloc(sizeof(int) * 100);
SDL_zerop(inputs);
int inputs_length = 0;
Android_JNI_GetAudioInputDevices(inputs, &inputs_length);
for (int i = 0; i < inputs_length; ++i) {
int device_id = inputs[i];
int n = (int) (log10(device_id) + 1);
char device_name[n];
SDL_itoa(device_id, device_name, 10);
SDL_Log("Adding input device with name %s", device_name);
SDL_AddAudioDevice(SDL_FALSE, SDL_strdup(device_name), NULL, (void *) ((size_t) device_id + 1));
}
SDL_free(inputs);
int *outputs;
outputs = SDL_malloc(sizeof(int) * 100);
SDL_zerop(outputs);
int outputs_length = 0;
Android_JNI_GetAudioOutputDevices(outputs, &outputs_length);
for (int i = 0; i < outputs_length; ++i) {
int device_id = outputs[i];
int n = (int) (log10(device_id) + 1);
char device_name[n];
SDL_itoa(device_id, device_name, 10);
SDL_Log("Adding output device with name %s", device_name);
SDL_AddAudioDevice(SDL_TRUE, SDL_strdup(device_name), NULL, (void *) ((size_t) device_id + 1));
}
SDL_free(outputs);
}
static int ANDROIDAUDIO_OpenDevice(_THIS, const char *devname)
{
SDL_AudioFormat test_format;
@@ -63,12 +101,18 @@ static int ANDROIDAUDIO_OpenDevice(_THIS, const char *devname)
}
}
int audio_device_id = 0;
if(devname != NULL) {
audio_device_id = SDL_atoi(devname);
}
if (!test_format) {
/* Didn't find a compatible format :( */
return SDL_SetError("%s: Unsupported audio format", "android");
}
if (Android_JNI_OpenAudioDevice(iscapture, &this->spec) < 0) {
if (Android_JNI_OpenAudioDevice(iscapture, audio_device_id, &this->spec) < 0) {
return -1;
}
@@ -116,17 +160,19 @@ static void ANDROIDAUDIO_CloseDevice(_THIS)
static SDL_bool ANDROIDAUDIO_Init(SDL_AudioDriverImpl *impl)
{
/* Set the function pointers */
impl->DetectDevices = ANDROIDAUDIO_DetectDevices;
impl->OpenDevice = ANDROIDAUDIO_OpenDevice;
impl->PlayDevice = ANDROIDAUDIO_PlayDevice;
impl->GetDeviceBuf = ANDROIDAUDIO_GetDeviceBuf;
impl->CloseDevice = ANDROIDAUDIO_CloseDevice;
impl->CaptureFromDevice = ANDROIDAUDIO_CaptureFromDevice;
impl->FlushCapture = ANDROIDAUDIO_FlushCapture;
impl->AllowsArbitraryDeviceNames = SDL_TRUE;
/* and the capabilities */
impl->HasCaptureSupport = SDL_TRUE;
impl->OnlyHasDefaultOutputDevice = SDL_TRUE;
impl->OnlyHasDefaultCaptureDevice = SDL_TRUE;
impl->OnlyHasDefaultOutputDevice = SDL_FALSE;
impl->OnlyHasDefaultCaptureDevice = SDL_FALSE;
return SDL_TRUE; /* this audio target is available. */
}