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Android: make Detect devices common between aaudio and android driver. (#6828)

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remove VLA, dynamic alloc, check max length get using GetIntArrayRegion
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Sylvain Becker 2022-12-18 12:07:38 +01:00 committed by Sylvain
parent 187708e542
commit 4e3fc0c1dc
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GPG key ID: 5F87E02E5BC0939E
4 changed files with 53 additions and 101 deletions
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41
src/audio/aaudio/SDL_aaudio.c
View file

@ -70,45 +70,6 @@ void aaudio_errorCallback(AAudioStream *stream, void *userData, aaudio_result_t
#define LIB_AAUDIO_SO "libaaudio.so"
static void aaudio_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 aaudio_OpenDevice(_THIS, const char *devname)
{
struct SDL_PrivateAudioData *private;
@ -344,7 +305,7 @@ static SDL_bool aaudio_Init(SDL_AudioDriverImpl *impl)
goto failure;
}
impl->DetectDevices = aaudio_DetectDevices;
impl->DetectDevices = Android_DetectDevices;
impl->Deinitialize = aaudio_Deinitialize;
impl->OpenDevice = aaudio_OpenDevice;
impl->CloseDevice = aaudio_CloseDevice;

55
src/audio/android/SDL_androidaudio.c
View file

@ -35,43 +35,6 @@
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)
{
@ -101,19 +64,19 @@ 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, audio_device_id, &this->spec) < 0) {
return -1;
{
int audio_device_id = 0;
if (devname != NULL) {
audio_device_id = SDL_atoi(devname);
}
if (Android_JNI_OpenAudioDevice(iscapture, audio_device_id, &this->spec) < 0) {
return -1;
}
}
SDL_CalculateAudioSpec(&this->spec);
@ -160,7 +123,7 @@ static void ANDROIDAUDIO_CloseDevice(_THIS)
static SDL_bool ANDROIDAUDIO_Init(SDL_AudioDriverImpl *impl)
{
/* Set the function pointers */
impl->DetectDevices = ANDROIDAUDIO_DetectDevices;
impl->DetectDevices = Android_DetectDevices;
impl->OpenDevice = ANDROIDAUDIO_OpenDevice;
impl->PlayDevice = ANDROIDAUDIO_PlayDevice;
impl->GetDeviceBuf = ANDROIDAUDIO_GetDeviceBuf;

55
src/core/android/SDL_android.c
View file

@ -938,17 +938,18 @@ extern void SDL_RemoveAudioDevice(const SDL_bool iscapture, void *handle);
JNIEXPORT void JNICALL
SDL_JAVA_AUDIO_INTERFACE(addAudioDevice)(JNIEnv *env, jclass jcls, jboolean is_capture,
jint device_id) {
int n = (int) (log10(device_id) + 1);
char device_name[n];
SDL_itoa(device_id, device_name, 10);
jint device_id)
{
char device_name[64];
SDL_snprintf(device_name, sizeof (device_name), "%d", device_id);
SDL_Log("Adding device with name %s, capture %d", device_name, is_capture);
SDL_AddAudioDevice(is_capture, SDL_strdup(device_name), NULL, (void *) ((size_t) device_id + 1));
}
JNIEXPORT void JNICALL
SDL_JAVA_AUDIO_INTERFACE(removeAudioDevice)(JNIEnv *env, jclass jcls, jboolean is_capture,
jint device_id) {
jint device_id)
{
SDL_Log("Removing device with handle %d, capture %d", device_id + 1, is_capture);
SDL_RemoveAudioDevice(is_capture, (void *) ((size_t) device_id + 1));
}
@ -1471,26 +1472,54 @@ static void *audioBufferPinned = NULL;
static int captureBufferFormat = 0;
static jobject captureBuffer = NULL;
void Android_JNI_GetAudioOutputDevices(int *devices, int *length) {
static void Android_JNI_GetAudioDevices(int *devices, int *length, int max_len, int is_input)
{
JNIEnv *env = Android_JNI_GetEnv();
jintArray result;
result = (*env)->CallStaticObjectMethod(env, mAudioManagerClass, midGetAudioOutputDevices);
if (is_input) {
result = (*env)->CallStaticObjectMethod(env, mAudioManagerClass, midGetAudioInputDevices);
} else {
result = (*env)->CallStaticObjectMethod(env, mAudioManagerClass, midGetAudioOutputDevices);
}
*length = (*env)->GetArrayLength(env, result);
*length = SDL_min(*length, max_len);
(*env)->GetIntArrayRegion(env, result, 0, *length, devices);
}
void Android_JNI_GetAudioInputDevices(int * devices, int *length) {
JNIEnv *env = Android_JNI_GetEnv();
jintArray result;
void Android_DetectDevices(void)
{
int inputs[100];
int outputs[100];
int inputs_length = 0;
int outputs_length = 0;
result = (*env)->CallStaticObjectMethod(env, mAudioManagerClass, midGetAudioInputDevices);
SDL_zeroa(inputs);
*length = (*env)->GetArrayLength(env, result);
Android_JNI_GetAudioDevices(inputs, &inputs_length, 100, 1 /* input devices */);
(*env)->GetIntArrayRegion(env, result, 0, *length, devices);
for (int i = 0; i < inputs_length; ++i) {
int device_id = inputs[i];
char device_name[64];
SDL_snprintf(device_name, sizeof (device_name), "%d", device_id);
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_zeroa(outputs);
Android_JNI_GetAudioDevices(outputs, &outputs_length, 100, 0 /* output devices */);
for (int i = 0; i < outputs_length; ++i) {
int device_id = outputs[i];
char device_name[64];
SDL_snprintf(device_name, sizeof (device_name), "%d", device_id);
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));
}
}
int Android_JNI_OpenAudioDevice(int iscapture, int device_id, SDL_AudioSpec *spec)

3
src/core/android/SDL_android.h
View file

@ -52,8 +52,7 @@ extern SDL_DisplayOrientation Android_JNI_GetDisplayOrientation(void);
extern int Android_JNI_GetDisplayDPI(float *ddpi, float *xdpi, float *ydpi);
/* Audio support */
extern void Android_JNI_GetAudioOutputDevices(int* devices, int *length);
extern void Android_JNI_GetAudioInputDevices(int* devices, int *length);
extern void Android_DetectDevices(void);
extern int Android_JNI_OpenAudioDevice(int iscapture, int device_id, SDL_AudioSpec *spec);
extern void *Android_JNI_GetAudioBuffer(void);
extern void Android_JNI_WriteAudioBuffer(void);