diff options
Diffstat (limited to 'media/jni/audioeffect')
| -rw-r--r-- | media/jni/audioeffect/android_media_Visualizer.cpp | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/media/jni/audioeffect/android_media_Visualizer.cpp b/media/jni/audioeffect/android_media_Visualizer.cpp index 4d77cfd..40cd06b 100644 --- a/media/jni/audioeffect/android_media_Visualizer.cpp +++ b/media/jni/audioeffect/android_media_Visualizer.cpp @@ -43,6 +43,8 @@ using namespace android; // ---------------------------------------------------------------------------- static const char* const kClassPathName = "android/media/audiofx/Visualizer"; +static const char* const kClassPeakRmsPathName = + "android/media/audiofx/Visualizer$MeasurementPeakRms"; struct fields_t { // these fields provide access from C++ to the... @@ -50,6 +52,8 @@ struct fields_t { jmethodID midPostNativeEvent; // event post callback method jfieldID fidNativeVisualizer; // stores in Java the native Visualizer object jfieldID fidJniData; // stores in Java additional resources used by the native Visualizer + jfieldID fidPeak; // to access Visualizer.MeasurementPeakRms.mPeak + jfieldID fidRms; // to access Visualizer.MeasurementPeakRms.mRms }; static fields_t fields; @@ -257,6 +261,14 @@ android_media_visualizer_native_init(JNIEnv *env) fields.clazzEffect = (jclass)env->NewGlobalRef(clazz); + // Get the Visualizer.MeasurementPeakRms class + clazz = env->FindClass(kClassPeakRmsPathName); + if (clazz == NULL) { + ALOGE("Can't find %s", kClassPeakRmsPathName); + return; + } + jclass clazzMeasurementPeakRms = (jclass)env->NewGlobalRef(clazz); + // Get the postEvent method fields.midPostNativeEvent = env->GetStaticMethodID( fields.clazzEffect, @@ -283,7 +295,24 @@ android_media_visualizer_native_init(JNIEnv *env) ALOGE("Can't find Visualizer.%s", "mJniData"); return; } + // fidPeak + fields.fidPeak = env->GetFieldID( + clazzMeasurementPeakRms, + "mPeak", "I"); + if (fields.fidPeak == NULL) { + ALOGE("Can't find Visualizer.MeasurementPeakRms.%s", "mPeak"); + return; + } + // fidRms + fields.fidRms = env->GetFieldID( + clazzMeasurementPeakRms, + "mRms", "I"); + if (fields.fidRms == NULL) { + ALOGE("Can't find Visualizer.MeasurementPeakRms.%s", "mPeak"); + return; + } + env->DeleteGlobalRef(clazzMeasurementPeakRms); } static void android_media_visualizer_effect_callback(int32_t event, @@ -513,6 +542,26 @@ android_media_visualizer_native_getScalingMode(JNIEnv *env, jobject thiz) } static jint +android_media_visualizer_native_setMeasurementMode(JNIEnv *env, jobject thiz, jint mode) +{ + Visualizer* lpVisualizer = getVisualizer(env, thiz); + if (lpVisualizer == NULL) { + return VISUALIZER_ERROR_NO_INIT; + } + return translateError(lpVisualizer->setMeasurementMode(mode)); +} + +static jint +android_media_visualizer_native_getMeasurementMode(JNIEnv *env, jobject thiz) +{ + Visualizer* lpVisualizer = getVisualizer(env, thiz); + if (lpVisualizer == NULL) { + return MEASUREMENT_MODE_NONE; + } + return lpVisualizer->getMeasurementMode(); +} + +static jint android_media_visualizer_native_getSamplingRate(JNIEnv *env, jobject thiz) { Visualizer* lpVisualizer = getVisualizer(env, thiz); @@ -560,6 +609,25 @@ android_media_visualizer_native_getFft(JNIEnv *env, jobject thiz, jbyteArray jFf } static jint +android_media_visualizer_native_getPeakRms(JNIEnv *env, jobject thiz, jobject jPeakRmsObj) +{ + Visualizer* lpVisualizer = getVisualizer(env, thiz); + if (lpVisualizer == NULL) { + return VISUALIZER_ERROR_NO_INIT; + } + int32_t measurements[2]; + jint status = translateError( + lpVisualizer->getIntMeasurements(MEASUREMENT_MODE_PEAK_RMS, + 2, measurements)); + if (status == VISUALIZER_SUCCESS) { + // measurement worked, write the values to the java object + env->SetIntField(jPeakRmsObj, fields.fidPeak, measurements[MEASUREMENT_IDX_PEAK]); + env->SetIntField(jPeakRmsObj, fields.fidRms, measurements[MEASUREMENT_IDX_RMS]); + } + return status; +} + +static jint android_media_setPeriodicCapture(JNIEnv *env, jobject thiz, jint rate, jboolean jWaveform, jboolean jFft) { Visualizer* lpVisualizer = getVisualizer(env, thiz); @@ -606,9 +674,13 @@ static JNINativeMethod gMethods[] = { {"native_getCaptureSize", "()I", (void *)android_media_visualizer_native_getCaptureSize}, {"native_setScalingMode", "(I)I", (void *)android_media_visualizer_native_setScalingMode}, {"native_getScalingMode", "()I", (void *)android_media_visualizer_native_getScalingMode}, + {"native_setMeasurementMode","(I)I", (void *)android_media_visualizer_native_setMeasurementMode}, + {"native_getMeasurementMode","()I", (void *)android_media_visualizer_native_getMeasurementMode}, {"native_getSamplingRate", "()I", (void *)android_media_visualizer_native_getSamplingRate}, {"native_getWaveForm", "([B)I", (void *)android_media_visualizer_native_getWaveForm}, {"native_getFft", "([B)I", (void *)android_media_visualizer_native_getFft}, + {"native_getPeakRms", "(Landroid/media/audiofx/Visualizer$MeasurementPeakRms;)I", + (void *)android_media_visualizer_native_getPeakRms}, {"native_setPeriodicCapture","(IZZ)I",(void *)android_media_setPeriodicCapture}, }; |