本文整理汇总了C++中AudioEffect::command方法的典型用法代码示例。如果您正苦于以下问题：C++ AudioEffect::command方法的具体用法？C++ AudioEffect::command怎么用？C++ AudioEffect::command使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类AudioEffect的用法示例。
在下文中一共展示了AudioEffect::command方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: android_media_AudioEffect_native_command
static jint android_media_AudioEffect_native_command(JNIEnv *env, jobject thiz,
jint cmdCode, jint cmdSize, jbyteArray jCmdData, jint replySize,
jbyteArray jReplyData) {
jbyte* pCmdData = NULL;
jbyte* pReplyData = NULL;
jint lStatus = AUDIOEFFECT_ERROR_BAD_VALUE;
// retrieve the AudioEffect object
AudioEffect* lpAudioEffect = (AudioEffect *) env->GetLongField(thiz,
fields.fidNativeAudioEffect);
if (lpAudioEffect == NULL) {
jniThrowException(env, "java/lang/IllegalStateException",
"Unable to retrieve AudioEffect pointer for setParameter()");
return AUDIOEFFECT_ERROR_NO_INIT;
}
if ((cmdSize != 0 && jCmdData == NULL) || (replySize != 0 && jReplyData == NULL)) {
return AUDIOEFFECT_ERROR_BAD_VALUE;
}
// get the pointer for the command from the java array
if (cmdSize != 0) {
pCmdData = (jbyte *) env->GetPrimitiveArrayCritical(jCmdData, NULL);
if (pCmdData == NULL) {
ALOGE("setParameter: Error retrieving command pointer");
goto command_Exit;
}
}
// get the pointer for the reply from the java array
if (replySize != 0 && jReplyData != NULL) {
pReplyData = (jbyte *) env->GetPrimitiveArrayCritical(jReplyData, NULL);
if (pReplyData == NULL) {
ALOGE("setParameter: Error retrieving reply pointer");
goto command_Exit;
}
}
lStatus = translateError(lpAudioEffect->command((uint32_t)cmdCode,
(uint32_t)cmdSize,
pCmdData,
(uint32_t *)&replySize,
pReplyData));
command_Exit:
if (pCmdData != NULL) {
env->ReleasePrimitiveArrayCritical(jCmdData, pCmdData, 0);
}
if (pReplyData != NULL) {
env->ReleasePrimitiveArrayCritical(jReplyData, pReplyData, 0);
}
if (lStatus == NO_ERROR) {
return replySize;
}
return lStatus;
}