Exemple #1
0
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;
}