static SoundDeviceDescription *lookup_sound_device(const char *manufacturer, const char* model, const char *platform) {
MSList *list = sound_device_descriptions;
SoundDeviceDescription *d;
for(; list != NULL; list = list->next) {
d = (SoundDeviceDescription*) list->data;
if (strcasecmp(d->manufacturer, manufacturer) == 0
&& strcmp(d->model, model) == 0
&& platform && d->platform && strcmp(d->platform, platform)==0) {
return d;
}
}
d = &devices[0];
while (d->manufacturer != NULL) {
if (strcasecmp(d->manufacturer, manufacturer) == 0
&& strcmp(d->model, model) == 0
&& platform && d->platform && strcmp(d->platform, platform)==0) {
return d;
}
d++;
}
if (platform){
/*retry without platform*/
return lookup_sound_device(manufacturer, model, NULL);
}
return NULL;
}
SoundDeviceDescription * sound_device_description_get(void){
SoundDeviceDescription *d;
char manufacturer[PROP_VALUE_MAX]={0};
char model[PROP_VALUE_MAX]={0};
char platform[PROP_VALUE_MAX]={0};
bool_t exact_match=FALSE;
bool_t declares_builtin_aec=FALSE;
#ifdef ANDROID
if (__system_property_get("ro.product.manufacturer",manufacturer)<=0){
ms_warning("Could not get product manufacturer.");
}
if (__system_property_get("ro.product.model",model)<=0){
ms_warning("Could not get product model.");
}
if (__system_property_get("ro.board.platform",platform)<=0){
ms_warning("Could not get board platform.");
}
/* First ask android if the device has an hardware echo canceller (only >=4.2)*/
{
JNIEnv *env=ms_get_jni_env();
jclass aecClass = (*env)->FindClass(env,"android/media/audiofx/AcousticEchoCanceler");
if (aecClass!=NULL){
jmethodID isAvailableID = (*env)->GetStaticMethodID(env,aecClass,"isAvailable","()Z");
if (isAvailableID!=NULL){
jboolean ret=(*env)->CallStaticBooleanMethod(env,aecClass,isAvailableID);
if (ret){
ms_message("This device (%s/%s/%s) declares it has a built-in echo canceller.",manufacturer,model,platform);
declares_builtin_aec=TRUE;
}else ms_message("This device (%s/%s/%s) says it has no built-in echo canceller.",manufacturer,model,platform);
}else{
ms_error("isAvailable() not found in class AcousticEchoCanceler !");
(*env)->ExceptionClear(env); //very important.
}
(*env)->DeleteLocalRef(env,aecClass);
}else{
(*env)->ExceptionClear(env); //very important.
}
}
#endif
d=lookup_sound_device(manufacturer, model, platform);
if (!d){
ms_message("No AEC information available for [%s/%s/%s],",manufacturer,model,platform);
d=&genericSoundDeviceDescriptor;
}else{
ms_message("Found AEC information for [%s/%s/%s] from internal table",manufacturer,model,platform);
exact_match=TRUE;
}
if (declares_builtin_aec){
if (exact_match && (d->flags & DEVICE_HAS_BUILTIN_AEC_CRAPPY)){
ms_warning("This device declares a builtin AEC but according to internal tables it is known to be misfunctionning, so trusting tables.");
}else{
d->flags=DEVICE_HAS_BUILTIN_AEC;
d->delay=0;
}
}
if (d->flags & DEVICE_HAS_CRAPPY_ANDROID_FASTTRACK) ms_warning("Fasttrack playback mode is crappy on this device, not using it.");
if (d->flags & DEVICE_HAS_CRAPPY_ANDROID_FASTRECORD) ms_warning("Fasttrack record mode is crappy on this device, not using it.");
if (d->flags & DEVICE_HAS_UNSTANDARD_LIBMEDIA) ms_warning("This device has unstandart libmedia.");
ms_message("Sound device information for [%s/%s/%s] is: builtin=[%s], delay=[%i] ms",
manufacturer,model,platform, (d->flags & DEVICE_HAS_BUILTIN_AEC) ? "yes" : "no", d->delay);
return d;
}
