| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| //#define LOG_NDEBUG 0 |
| |
| #define LOG_TAG "AudioRecord-JNI" |
| |
| #include <android/content/AttributionSourceState.h> |
| #include <android_os_Parcel.h> |
| #include <inttypes.h> |
| #include <jni.h> |
| #include <media/AudioRecord.h> |
| #include <nativehelper/JNIHelp.h> |
| #include <nativehelper/ScopedUtfChars.h> |
| #include <utils/Log.h> |
| |
| #include <vector> |
| |
| #include "android_media_AudioAttributes.h" |
| #include "android_media_AudioErrors.h" |
| #include "android_media_AudioFormat.h" |
| #include "android_media_DeviceCallback.h" |
| #include "android_media_JNIUtils.h" |
| #include "android_media_MediaMetricsJNI.h" |
| #include "android_media_MicrophoneInfo.h" |
| #include "core_jni_helpers.h" |
| |
| // ---------------------------------------------------------------------------- |
| |
| using namespace android; |
| |
| // ---------------------------------------------------------------------------- |
| static const char* const kClassPathName = "android/media/AudioRecord"; |
| |
| static jclass gArrayListClass; |
| static struct { |
| jmethodID add; |
| } gArrayListMethods; |
| |
| struct audio_record_fields_t { |
| // these fields provide access from C++ to the... |
| jmethodID postNativeEventInJava; //... event post callback method |
| jfieldID nativeRecorderInJavaObj; // provides access to the C++ AudioRecord object |
| jfieldID jniData; // provides access to AudioRecord JNI Handle |
| }; |
| static audio_record_fields_t javaAudioRecordFields; |
| static struct { |
| jfieldID fieldFramePosition; // AudioTimestamp.framePosition |
| jfieldID fieldNanoTime; // AudioTimestamp.nanoTime |
| } javaAudioTimestampFields; |
| |
| |
| class AudioRecordJNIStorage : public AudioRecord::IAudioRecordCallback { |
| private: |
| // Keep in sync with frameworks/base/media/java/android/media/AudioRecord.java NATIVE_EVENT_*. |
| enum class EventType { |
| EVENT_MORE_DATA = 0, // Request to read available data from buffer. |
| // If this event is delivered but the callback handler |
| // does not want to read the available data, the handler must |
| // explicitly ignore the event by setting frameCount to zero. |
| EVENT_OVERRUN = 1, // Buffer overrun occurred. |
| EVENT_MARKER = 2, // Record head is at the specified marker position |
| // (See setMarkerPosition()). |
| EVENT_NEW_POS = 3, // Record head is at a new position |
| // (See setPositionUpdatePeriod()). |
| EVENT_NEW_IAUDIORECORD = 4, // IAudioRecord was re-created, either due to re-routing and |
| // voluntary invalidation by mediaserver, or mediaserver crash. |
| }; |
| |
| public: |
| AudioRecordJNIStorage(jclass audioRecordClass, jobject audioRecordWeakRef) |
| : mAudioRecordClass(audioRecordClass), mAudioRecordWeakRef(audioRecordWeakRef) {} |
| AudioRecordJNIStorage(const AudioRecordJNIStorage &) = delete; |
| AudioRecordJNIStorage& operator=(const AudioRecordJNIStorage &) = delete; |
| |
| void onMarker(uint32_t) override { |
| postEvent(EventType::EVENT_MARKER); |
| } |
| |
| void onNewPos(uint32_t) override { |
| postEvent(EventType::EVENT_NEW_POS); |
| } |
| |
| void setDeviceCallback(const sp<JNIDeviceCallback>& callback) { |
| mDeviceCallback = callback; |
| } |
| |
| sp<JNIDeviceCallback> getDeviceCallback() const { return mDeviceCallback; } |
| |
| jobject getAudioTrackWeakRef() const & { return mAudioRecordWeakRef.get(); } |
| |
| // If we attempt to get a jobject from a rvalue, it will soon go out of |
| // scope, and the reference count can drop to zero, which is unsafe. |
| jobject getAudioTrackWeakRef() const && = delete; |
| |
| private: |
| void postEvent(EventType event, int arg = 0) const { |
| JNIEnv *env = getJNIEnvOrDie(); |
| env->CallStaticVoidMethod( |
| static_cast<jclass>(mAudioRecordClass.get()), |
| javaAudioRecordFields.postNativeEventInJava, |
| mAudioRecordWeakRef.get(), static_cast<int>(event), arg, 0, nullptr); |
| if (env->ExceptionCheck()) { |
| env->ExceptionDescribe(); |
| env->ExceptionClear(); |
| } |
| } |
| |
| // Mutation of this object is protected using Java concurrency constructs |
| sp<JNIDeviceCallback> mDeviceCallback; |
| const GlobalRef mAudioRecordClass; |
| const GlobalRef mAudioRecordWeakRef; |
| }; |
| |
| // ---------------------------------------------------------------------------- |
| |
| #define AUDIORECORD_ERROR_SETUP_ZEROFRAMECOUNT (-16) |
| #define AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK (-17) |
| #define AUDIORECORD_ERROR_SETUP_INVALIDFORMAT (-18) |
| #define AUDIORECORD_ERROR_SETUP_INVALIDSOURCE (-19) |
| #define AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED (-20) |
| |
| // ---------------------------------------------------------------------------- |
| static sp<AudioRecord> getAudioRecord(JNIEnv* env, jobject thiz) |
| { |
| return getFieldSp<AudioRecord>(env, thiz, javaAudioRecordFields.nativeRecorderInJavaObj); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_setup(JNIEnv *env, jobject thiz, jobject weak_this, |
| jobject jaa, jintArray jSampleRate, jint channelMask, |
| jint channelIndexMask, jint audioFormat, |
| jint buffSizeInBytes, jintArray jSession, |
| jobject jAttributionSource, jlong nativeRecordInJavaObj, |
| jint sharedAudioHistoryMs, |
| jint halFlags) { |
| //ALOGV(">> Entering android_media_AudioRecord_setup"); |
| //ALOGV("sampleRate=%d, audioFormat=%d, channel mask=%x, buffSizeInBytes=%d " |
| // "nativeRecordInJavaObj=0x%llX", |
| // sampleRateInHertz, audioFormat, channelMask, buffSizeInBytes, nativeRecordInJavaObj); |
| audio_channel_mask_t localChanMask = inChannelMaskToNative(channelMask); |
| |
| if (jSession == NULL) { |
| ALOGE("Error creating AudioRecord: invalid session ID pointer"); |
| return (jint) AUDIO_JAVA_ERROR; |
| } |
| |
| jint* nSession = env->GetIntArrayElements(jSession, nullptr /* isCopy */); |
| if (nSession == NULL) { |
| ALOGE("Error creating AudioRecord: Error retrieving session id pointer"); |
| return (jint) AUDIO_JAVA_ERROR; |
| } |
| audio_session_t sessionId = (audio_session_t) nSession[0]; |
| env->ReleaseIntArrayElements(jSession, nSession, 0 /* mode */); |
| nSession = NULL; |
| |
| sp<AudioRecord> lpRecorder; |
| sp<AudioRecordJNIStorage> callbackData; |
| jclass clazz = env->GetObjectClass(thiz); |
| if (clazz == NULL) { |
| ALOGE("Can't find %s when setting up callback.", kClassPathName); |
| return (jint) AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; |
| } |
| |
| // if we pass in an existing *Native* AudioRecord, we don't need to create/initialize one. |
| if (nativeRecordInJavaObj == 0) { |
| if (jaa == 0) { |
| ALOGE("Error creating AudioRecord: invalid audio attributes"); |
| return (jint) AUDIO_JAVA_ERROR; |
| } |
| |
| if (jSampleRate == 0) { |
| ALOGE("Error creating AudioRecord: invalid sample rates"); |
| return (jint) AUDIO_JAVA_ERROR; |
| } |
| jint elements[1]; |
| env->GetIntArrayRegion(jSampleRate, 0, 1, elements); |
| int sampleRateInHertz = elements[0]; |
| |
| // channel index mask takes priority over channel position masks. |
| if (channelIndexMask) { |
| // Java channel index masks need the representation bits set. |
| localChanMask = audio_channel_mask_from_representation_and_bits( |
| AUDIO_CHANNEL_REPRESENTATION_INDEX, |
| channelIndexMask); |
| } |
| // Java channel position masks map directly to the native definition |
| |
| if (!audio_is_input_channel(localChanMask)) { |
| ALOGE("Error creating AudioRecord: channel mask %#x is not valid.", localChanMask); |
| return (jint) AUDIORECORD_ERROR_SETUP_INVALIDCHANNELMASK; |
| } |
| uint32_t channelCount = audio_channel_count_from_in_mask(localChanMask); |
| |
| // compare the format against the Java constants |
| audio_format_t format = audioFormatToNative(audioFormat); |
| if (format == AUDIO_FORMAT_INVALID) { |
| ALOGE("Error creating AudioRecord: unsupported audio format %d.", audioFormat); |
| return (jint) AUDIORECORD_ERROR_SETUP_INVALIDFORMAT; |
| } |
| |
| if (buffSizeInBytes == 0) { |
| ALOGE("Error creating AudioRecord: frameCount is 0."); |
| return (jint) AUDIORECORD_ERROR_SETUP_ZEROFRAMECOUNT; |
| } |
| size_t frameCount = buffSizeInBytes / audio_bytes_per_frame(channelCount, format); |
| |
| // create an uninitialized AudioRecord object |
| Parcel* parcel = parcelForJavaObject(env, jAttributionSource); |
| android::content::AttributionSourceState attributionSource; |
| attributionSource.readFromParcel(parcel); |
| |
| lpRecorder = new AudioRecord(attributionSource); |
| |
| // read the AudioAttributes values |
| auto paa = JNIAudioAttributeHelper::makeUnique(); |
| jint jStatus = JNIAudioAttributeHelper::nativeFromJava(env, jaa, paa.get()); |
| if (jStatus != (jint)AUDIO_JAVA_SUCCESS) { |
| return jStatus; |
| } |
| ALOGV("AudioRecord_setup for source=%d tags=%s flags=%08x", paa->source, paa->tags, paa->flags); |
| |
| const auto flags = static_cast<audio_input_flags_t>(halFlags); |
| // create the callback information: |
| // this data will be passed with every AudioRecord callback |
| // we use a weak reference so the AudioRecord object can be garbage collected. |
| callbackData = sp<AudioRecordJNIStorage>::make(clazz, weak_this); |
| |
| const status_t status = |
| lpRecorder->set(paa->source, sampleRateInHertz, |
| format, // word length, PCM |
| localChanMask, frameCount, |
| callbackData, // callback |
| 0, // notificationFrames, |
| true, // threadCanCallJava |
| sessionId, AudioRecord::TRANSFER_DEFAULT, flags, -1, |
| -1, // default uid, pid |
| paa.get(), AUDIO_PORT_HANDLE_NONE, MIC_DIRECTION_UNSPECIFIED, |
| MIC_FIELD_DIMENSION_DEFAULT, sharedAudioHistoryMs); |
| |
| if (status != NO_ERROR) { |
| ALOGE("Error creating AudioRecord instance: initialization check failed with status %d.", |
| status); |
| goto native_init_failure; |
| } |
| // Set caller name so it can be logged in destructor. |
| // MediaMetricsConstants.h: AMEDIAMETRICS_PROP_CALLERNAME_VALUE_JAVA |
| lpRecorder->setCallerName("java"); |
| } else { // end if nativeRecordInJavaObj == 0) |
| lpRecorder = (AudioRecord*)nativeRecordInJavaObj; |
| // TODO: We need to find out which members of the Java AudioRecord might need to be |
| // initialized from the Native AudioRecord |
| // these are directly returned from getters: |
| // mSampleRate |
| // mRecordSource |
| // mAudioFormat |
| // mChannelMask |
| // mChannelCount |
| // mState (?) |
| // mRecordingState (?) |
| // mPreferredDevice |
| |
| // create the callback information: |
| // this data will be passed with every AudioRecord callback |
| // This next line makes little sense |
| // callbackData = sp<AudioRecordJNIStorage>::make(clazz, weak_this); |
| } |
| |
| nSession = env->GetIntArrayElements(jSession, nullptr /* isCopy */); |
| if (nSession == NULL) { |
| ALOGE("Error creating AudioRecord: Error retrieving session id pointer"); |
| goto native_init_failure; |
| } |
| // read the audio session ID back from AudioRecord in case a new session was created during set() |
| nSession[0] = lpRecorder->getSessionId(); |
| env->ReleaseIntArrayElements(jSession, nSession, 0 /* mode */); |
| nSession = NULL; |
| |
| { |
| const jint elements[1] = { (jint) lpRecorder->getSampleRate() }; |
| env->SetIntArrayRegion(jSampleRate, 0, 1, elements); |
| } |
| |
| // save our newly created C++ AudioRecord in the "nativeRecorderInJavaObj" field |
| // of the Java object |
| setFieldSp(env, thiz, lpRecorder, javaAudioRecordFields.nativeRecorderInJavaObj); |
| |
| // save our newly created callback information in the "jniData" field |
| // of the Java object (in mNativeJNIDataHandle) so we can free the memory in finalize() |
| setFieldSp(env, thiz, callbackData, javaAudioRecordFields.jniData); |
| |
| return (jint) AUDIO_JAVA_SUCCESS; |
| |
| // failure: |
| native_init_failure: |
| setFieldSp(env, thiz, sp<AudioRecord>{}, javaAudioRecordFields.nativeRecorderInJavaObj); |
| setFieldSp(env, thiz, sp<AudioRecordJNIStorage>{}, javaAudioRecordFields.jniData); |
| |
| // lpRecorder goes out of scope, so reference count drops to zero |
| return (jint) AUDIORECORD_ERROR_SETUP_NATIVEINITFAILED; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jint |
| android_media_AudioRecord_start(JNIEnv *env, jobject thiz, jint event, jint triggerSession) |
| { |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL ) { |
| jniThrowException(env, "java/lang/IllegalStateException", NULL); |
| return (jint) AUDIO_JAVA_ERROR; |
| } |
| |
| return nativeToJavaStatus( |
| lpRecorder->start((AudioSystem::sync_event_t)event, (audio_session_t) triggerSession)); |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| static void |
| android_media_AudioRecord_stop(JNIEnv *env, jobject thiz) |
| { |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL ) { |
| jniThrowException(env, "java/lang/IllegalStateException", NULL); |
| return; |
| } |
| |
| lpRecorder->stop(); |
| //ALOGV("Called lpRecorder->stop()"); |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| #define CALLBACK_COND_WAIT_TIMEOUT_MS 1000 |
| static void android_media_AudioRecord_release(JNIEnv *env, jobject thiz) { |
| |
| setFieldSp(env, thiz, sp<AudioRecord>{}, javaAudioRecordFields.nativeRecorderInJavaObj); |
| setFieldSp(env, thiz, sp<AudioRecordJNIStorage>{}, javaAudioRecordFields.jniData); |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| static void android_media_AudioRecord_finalize(JNIEnv *env, jobject thiz) { |
| android_media_AudioRecord_release(env, thiz); |
| } |
| |
| // overloaded JNI array helper functions |
| static inline |
| jbyte *envGetArrayElements(JNIEnv *env, jbyteArray array, jboolean *isCopy) { |
| return env->GetByteArrayElements(array, isCopy); |
| } |
| |
| static inline |
| void envReleaseArrayElements(JNIEnv *env, jbyteArray array, jbyte *elems, jint mode) { |
| env->ReleaseByteArrayElements(array, elems, mode); |
| } |
| |
| static inline |
| jshort *envGetArrayElements(JNIEnv *env, jshortArray array, jboolean *isCopy) { |
| return env->GetShortArrayElements(array, isCopy); |
| } |
| |
| static inline |
| void envReleaseArrayElements(JNIEnv *env, jshortArray array, jshort *elems, jint mode) { |
| env->ReleaseShortArrayElements(array, elems, mode); |
| } |
| |
| static inline |
| jfloat *envGetArrayElements(JNIEnv *env, jfloatArray array, jboolean *isCopy) { |
| return env->GetFloatArrayElements(array, isCopy); |
| } |
| |
| static inline |
| void envReleaseArrayElements(JNIEnv *env, jfloatArray array, jfloat *elems, jint mode) { |
| env->ReleaseFloatArrayElements(array, elems, mode); |
| } |
| |
| static inline |
| jint interpretReadSizeError(ssize_t readSize) { |
| if (readSize == WOULD_BLOCK) { |
| return (jint)0; |
| } else if (readSize == NO_INIT) { |
| return AUDIO_JAVA_DEAD_OBJECT; |
| } else { |
| ALOGE("Error %zd during AudioRecord native read", readSize); |
| return nativeToJavaStatus(readSize); |
| } |
| } |
| |
| template <typename T> |
| static jint android_media_AudioRecord_readInArray(JNIEnv *env, jobject thiz, |
| T javaAudioData, |
| jint offsetInSamples, jint sizeInSamples, |
| jboolean isReadBlocking) { |
| // get the audio recorder from which we'll read new audio samples |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL) { |
| ALOGE("Unable to retrieve AudioRecord object"); |
| return (jint)AUDIO_JAVA_INVALID_OPERATION; |
| } |
| |
| if (javaAudioData == NULL) { |
| ALOGE("Invalid Java array to store recorded audio"); |
| return (jint)AUDIO_JAVA_BAD_VALUE; |
| } |
| |
| // NOTE: We may use GetPrimitiveArrayCritical() when the JNI implementation changes in such |
| // a way that it becomes much more efficient. When doing so, we will have to prevent the |
| // AudioSystem callback to be called while in critical section (in case of media server |
| // process crash for instance) |
| |
| // get the pointer to where we'll record the audio |
| auto *recordBuff = envGetArrayElements(env, javaAudioData, NULL); |
| if (recordBuff == NULL) { |
| ALOGE("Error retrieving destination for recorded audio data"); |
| return (jint)AUDIO_JAVA_BAD_VALUE; |
| } |
| |
| // read the new audio data from the native AudioRecord object |
| const size_t sizeInBytes = sizeInSamples * sizeof(*recordBuff); |
| ssize_t readSize = lpRecorder->read( |
| recordBuff + offsetInSamples, sizeInBytes, isReadBlocking == JNI_TRUE /* blocking */); |
| |
| envReleaseArrayElements(env, javaAudioData, recordBuff, 0); |
| |
| if (readSize < 0) { |
| return interpretReadSizeError(readSize); |
| } |
| return (jint)(readSize / sizeof(*recordBuff)); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_readInDirectBuffer(JNIEnv *env, jobject thiz, |
| jobject jBuffer, jint sizeInBytes, |
| jboolean isReadBlocking) { |
| // get the audio recorder from which we'll read new audio samples |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder==NULL) |
| return (jint)AUDIO_JAVA_INVALID_OPERATION; |
| |
| // direct buffer and direct access supported? |
| long capacity = env->GetDirectBufferCapacity(jBuffer); |
| if (capacity == -1) { |
| // buffer direct access is not supported |
| ALOGE("Buffer direct access is not supported, can't record"); |
| return (jint)AUDIO_JAVA_BAD_VALUE; |
| } |
| //ALOGV("capacity = %ld", capacity); |
| jbyte* nativeFromJavaBuf = (jbyte*) env->GetDirectBufferAddress(jBuffer); |
| if (nativeFromJavaBuf==NULL) { |
| ALOGE("Buffer direct access is not supported, can't record"); |
| return (jint)AUDIO_JAVA_BAD_VALUE; |
| } |
| |
| // read new data from the recorder |
| ssize_t readSize = lpRecorder->read(nativeFromJavaBuf, |
| capacity < sizeInBytes ? capacity : sizeInBytes, |
| isReadBlocking == JNI_TRUE /* blocking */); |
| if (readSize < 0) { |
| return interpretReadSizeError(readSize); |
| } |
| return (jint)readSize; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_get_buffer_size_in_frames(JNIEnv *env, jobject thiz) { |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for frameCount()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| return lpRecorder->frameCount(); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_set_marker_pos(JNIEnv *env, jobject thiz, |
| jint markerPos) { |
| |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for setMarkerPosition()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| return nativeToJavaStatus( lpRecorder->setMarkerPosition(markerPos) ); |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_get_marker_pos(JNIEnv *env, jobject thiz) { |
| |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| uint32_t markerPos = 0; |
| |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for getMarkerPosition()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| lpRecorder->getMarkerPosition(&markerPos); |
| return (jint)markerPos; |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_set_pos_update_period(JNIEnv *env, jobject thiz, |
| jint period) { |
| |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for setPositionUpdatePeriod()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| return nativeToJavaStatus( lpRecorder->setPositionUpdatePeriod(period) ); |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_get_pos_update_period(JNIEnv *env, jobject thiz) { |
| |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| uint32_t period = 0; |
| |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for getPositionUpdatePeriod()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| lpRecorder->getPositionUpdatePeriod(&period); |
| return (jint)period; |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| // returns the minimum required size for the successful creation of an AudioRecord instance. |
| // returns 0 if the parameter combination is not supported. |
| // return -1 if there was an error querying the buffer size. |
| static jint android_media_AudioRecord_get_min_buff_size(JNIEnv *env, jobject thiz, |
| jint sampleRateInHertz, jint channelCount, jint audioFormat) { |
| |
| ALOGV(">> android_media_AudioRecord_get_min_buff_size(%d, %d, %d)", |
| sampleRateInHertz, channelCount, audioFormat); |
| |
| size_t frameCount = 0; |
| audio_format_t format = audioFormatToNative(audioFormat); |
| status_t result = AudioRecord::getMinFrameCount(&frameCount, |
| sampleRateInHertz, |
| format, |
| audio_channel_in_mask_from_count(channelCount)); |
| |
| if (result == BAD_VALUE) { |
| return 0; |
| } |
| if (result != NO_ERROR) { |
| return -1; |
| } |
| return frameCount * audio_bytes_per_frame(channelCount, format); |
| } |
| |
| static jboolean android_media_AudioRecord_setInputDevice( |
| JNIEnv *env, jobject thiz, jint device_id) { |
| |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == 0) { |
| return false; |
| } |
| return lpRecorder->setInputDevice(device_id) == NO_ERROR; |
| } |
| |
| static jint android_media_AudioRecord_getRoutedDeviceId( |
| JNIEnv *env, jobject thiz) { |
| |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == 0) { |
| return 0; |
| } |
| return (jint)lpRecorder->getRoutedDeviceId(); |
| } |
| |
| // Enable and Disable Callback methods are synchronized on the Java side |
| static void android_media_AudioRecord_enableDeviceCallback( |
| JNIEnv *env, jobject thiz) { |
| |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == nullptr) { |
| return; |
| } |
| const auto pJniStorage = |
| getFieldSp<AudioRecordJNIStorage>(env, thiz, javaAudioRecordFields.jniData); |
| if (pJniStorage == nullptr || pJniStorage->getDeviceCallback() != nullptr) { |
| return; |
| } |
| |
| pJniStorage->setDeviceCallback( |
| sp<JNIDeviceCallback>::make(env, thiz, pJniStorage->getAudioTrackWeakRef(), |
| javaAudioRecordFields.postNativeEventInJava)); |
| lpRecorder->addAudioDeviceCallback(pJniStorage->getDeviceCallback()); |
| } |
| |
| static void android_media_AudioRecord_disableDeviceCallback( |
| JNIEnv *env, jobject thiz) { |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == nullptr) { |
| return; |
| } |
| const auto pJniStorage = |
| getFieldSp<AudioRecordJNIStorage>(env, thiz, javaAudioRecordFields.jniData); |
| |
| if (pJniStorage == nullptr || pJniStorage->getDeviceCallback() == nullptr) { |
| return; |
| } |
| lpRecorder->removeAudioDeviceCallback(pJniStorage->getDeviceCallback()); |
| pJniStorage->setDeviceCallback(nullptr); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_get_timestamp(JNIEnv *env, jobject thiz, |
| jobject timestamp, jint timebase) { |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for getTimestamp()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| |
| ExtendedTimestamp ts; |
| jint status = nativeToJavaStatus(lpRecorder->getTimestamp(&ts)); |
| |
| if (status == AUDIO_JAVA_SUCCESS) { |
| // set the data |
| int64_t position, time; |
| |
| status = nativeToJavaStatus(ts.getBestTimestamp(&position, &time, timebase)); |
| if (status == AUDIO_JAVA_SUCCESS) { |
| env->SetLongField( |
| timestamp, javaAudioTimestampFields.fieldFramePosition, position); |
| env->SetLongField( |
| timestamp, javaAudioTimestampFields.fieldNanoTime, time); |
| } |
| } |
| return status; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jobject |
| android_media_AudioRecord_native_getMetrics(JNIEnv *env, jobject thiz) |
| { |
| ALOGV("android_media_AudioRecord_native_getMetrics"); |
| |
| sp<AudioRecord> lpRecord = getAudioRecord(env, thiz); |
| |
| if (lpRecord == NULL) { |
| ALOGE("Unable to retrieve AudioRecord pointer for getMetrics()"); |
| jniThrowException(env, "java/lang/IllegalStateException", NULL); |
| return (jobject) NULL; |
| } |
| |
| // get what we have for the metrics from the record session |
| mediametrics::Item *item = NULL; |
| |
| status_t err = lpRecord->getMetrics(item); |
| if (err != OK) { |
| ALOGE("getMetrics failed"); |
| jniThrowException(env, "java/lang/IllegalStateException", NULL); |
| return (jobject) NULL; |
| } |
| |
| jobject mybundle = MediaMetricsJNI::writeMetricsToBundle(env, item, NULL /* mybundle */); |
| |
| // housekeeping |
| delete item; |
| item = NULL; |
| |
| return mybundle; |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_get_active_microphones(JNIEnv *env, |
| jobject thiz, jobject jActiveMicrophones) { |
| if (jActiveMicrophones == NULL) { |
| ALOGE("jActiveMicrophones is null"); |
| return (jint)AUDIO_JAVA_BAD_VALUE; |
| } |
| if (!env->IsInstanceOf(jActiveMicrophones, gArrayListClass)) { |
| ALOGE("getActiveMicrophones not an arraylist"); |
| return (jint)AUDIO_JAVA_BAD_VALUE; |
| } |
| |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for getActiveMicrophones()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| |
| jint jStatus = AUDIO_JAVA_SUCCESS; |
| std::vector<media::MicrophoneInfoFw> activeMicrophones; |
| status_t status = lpRecorder->getActiveMicrophones(&activeMicrophones); |
| if (status != NO_ERROR) { |
| ALOGE_IF(status != NO_ERROR, "AudioRecord::getActiveMicrophones error %d", status); |
| jStatus = nativeToJavaStatus(status); |
| return jStatus; |
| } |
| |
| for (size_t i = 0; i < activeMicrophones.size(); i++) { |
| jobject jMicrophoneInfo; |
| jStatus = convertMicrophoneInfoFromNative(env, &jMicrophoneInfo, &activeMicrophones[i]); |
| if (jStatus != AUDIO_JAVA_SUCCESS) { |
| return jStatus; |
| } |
| env->CallBooleanMethod(jActiveMicrophones, gArrayListMethods.add, jMicrophoneInfo); |
| env->DeleteLocalRef(jMicrophoneInfo); |
| } |
| return jStatus; |
| } |
| |
| static int android_media_AudioRecord_set_preferred_microphone_direction( |
| JNIEnv *env, jobject thiz, jint direction) { |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for setPreferredMicrophoneDirection()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| |
| jint jStatus = AUDIO_JAVA_SUCCESS; |
| status_t status = lpRecorder->setPreferredMicrophoneDirection( |
| static_cast<audio_microphone_direction_t>(direction)); |
| if (status != NO_ERROR) { |
| jStatus = nativeToJavaStatus(status); |
| } |
| |
| return jStatus; |
| } |
| |
| static int android_media_AudioRecord_set_preferred_microphone_field_dimension( |
| JNIEnv *env, jobject thiz, jfloat zoom) { |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for setPreferredMicrophoneFieldDimension()"); |
| return (jint)AUDIO_JAVA_ERROR; |
| } |
| |
| jint jStatus = AUDIO_JAVA_SUCCESS; |
| status_t status = lpRecorder->setPreferredMicrophoneFieldDimension(zoom); |
| if (status != NO_ERROR) { |
| jStatus = nativeToJavaStatus(status); |
| } |
| |
| return jStatus; |
| } |
| |
| static void android_media_AudioRecord_setLogSessionId(JNIEnv *env, jobject thiz, |
| jstring jlogSessionId) { |
| sp<AudioRecord> record = getAudioRecord(env, thiz); |
| if (record == nullptr) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for setLogSessionId()"); |
| } |
| if (jlogSessionId == nullptr) { |
| ALOGV("%s: logSessionId nullptr", __func__); |
| record->setLogSessionId(nullptr); |
| return; |
| } |
| ScopedUtfChars logSessionId(env, jlogSessionId); |
| ALOGV("%s: logSessionId '%s'", __func__, logSessionId.c_str()); |
| record->setLogSessionId(logSessionId.c_str()); |
| } |
| |
| static jint android_media_AudioRecord_shareAudioHistory(JNIEnv *env, jobject thiz, |
| jstring jSharedPackageName, |
| jlong jSharedStartMs) { |
| sp<AudioRecord> record = getAudioRecord(env, thiz); |
| if (record == nullptr) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for setLogSessionId()"); |
| } |
| if (jSharedPackageName == nullptr) { |
| jniThrowException(env, "java/lang/IllegalArgumentException", "package name cannot be null"); |
| } |
| ScopedUtfChars nSharedPackageName(env, jSharedPackageName); |
| ALOGV("%s: nSharedPackageName '%s'", __func__, nSharedPackageName.c_str()); |
| return nativeToJavaStatus(record->shareAudioHistory(nSharedPackageName.c_str(), |
| static_cast<int64_t>(jSharedStartMs))); |
| } |
| |
| // ---------------------------------------------------------------------------- |
| static jint android_media_AudioRecord_get_port_id(JNIEnv *env, jobject thiz) { |
| sp<AudioRecord> lpRecorder = getAudioRecord(env, thiz); |
| if (lpRecorder == NULL) { |
| jniThrowException(env, "java/lang/IllegalStateException", |
| "Unable to retrieve AudioRecord pointer for getId()"); |
| return (jint)AUDIO_PORT_HANDLE_NONE; |
| } |
| return (jint)lpRecorder->getPortId(); |
| } |
| |
| |
| // ---------------------------------------------------------------------------- |
| // ---------------------------------------------------------------------------- |
| static const JNINativeMethod gMethods[] = { |
| // name, signature, funcPtr |
| {"native_start", "(II)I", (void *)android_media_AudioRecord_start}, |
| {"native_stop", "()V", (void *)android_media_AudioRecord_stop}, |
| {"native_setup", |
| "(Ljava/lang/Object;Ljava/lang/Object;[IIIII[ILandroid/os/Parcel;JII)I", |
| (void *)android_media_AudioRecord_setup}, |
| {"native_finalize", "()V", (void *)android_media_AudioRecord_finalize}, |
| {"native_release", "()V", (void *)android_media_AudioRecord_release}, |
| {"native_read_in_byte_array", "([BIIZ)I", |
| (void *)android_media_AudioRecord_readInArray<jbyteArray>}, |
| {"native_read_in_short_array", "([SIIZ)I", |
| (void *)android_media_AudioRecord_readInArray<jshortArray>}, |
| {"native_read_in_float_array", "([FIIZ)I", |
| (void *)android_media_AudioRecord_readInArray<jfloatArray>}, |
| {"native_read_in_direct_buffer", "(Ljava/lang/Object;IZ)I", |
| (void *)android_media_AudioRecord_readInDirectBuffer}, |
| {"native_get_buffer_size_in_frames", "()I", |
| (void *)android_media_AudioRecord_get_buffer_size_in_frames}, |
| {"native_set_marker_pos", "(I)I", (void *)android_media_AudioRecord_set_marker_pos}, |
| {"native_get_marker_pos", "()I", (void *)android_media_AudioRecord_get_marker_pos}, |
| {"native_set_pos_update_period", "(I)I", |
| (void *)android_media_AudioRecord_set_pos_update_period}, |
| {"native_get_pos_update_period", "()I", |
| (void *)android_media_AudioRecord_get_pos_update_period}, |
| {"native_get_min_buff_size", "(III)I", (void *)android_media_AudioRecord_get_min_buff_size}, |
| {"native_getMetrics", "()Landroid/os/PersistableBundle;", |
| (void *)android_media_AudioRecord_native_getMetrics}, |
| {"native_setInputDevice", "(I)Z", (void *)android_media_AudioRecord_setInputDevice}, |
| {"native_getRoutedDeviceId", "()I", (void *)android_media_AudioRecord_getRoutedDeviceId}, |
| {"native_enableDeviceCallback", "()V", |
| (void *)android_media_AudioRecord_enableDeviceCallback}, |
| {"native_disableDeviceCallback", "()V", |
| (void *)android_media_AudioRecord_disableDeviceCallback}, |
| {"native_get_timestamp", "(Landroid/media/AudioTimestamp;I)I", |
| (void *)android_media_AudioRecord_get_timestamp}, |
| {"native_get_active_microphones", "(Ljava/util/ArrayList;)I", |
| (void *)android_media_AudioRecord_get_active_microphones}, |
| {"native_getPortId", "()I", (void *)android_media_AudioRecord_get_port_id}, |
| {"native_set_preferred_microphone_direction", "(I)I", |
| (void *)android_media_AudioRecord_set_preferred_microphone_direction}, |
| {"native_set_preferred_microphone_field_dimension", "(F)I", |
| (void *)android_media_AudioRecord_set_preferred_microphone_field_dimension}, |
| {"native_setLogSessionId", "(Ljava/lang/String;)V", |
| (void *)android_media_AudioRecord_setLogSessionId}, |
| {"native_shareAudioHistory", "(Ljava/lang/String;J)I", |
| (void *)android_media_AudioRecord_shareAudioHistory}, |
| }; |
| |
| // field names found in android/media/AudioRecord.java |
| #define JAVA_POSTEVENT_CALLBACK_NAME "postEventFromNative" |
| #define JAVA_NATIVEAUDIORECORDERHANDLE_FIELD_NAME "mNativeAudioRecordHandle" |
| #define JAVA_NATIVEJNIDATAHANDLE_FIELD_NAME "mNativeJNIDataHandle" |
| |
| // ---------------------------------------------------------------------------- |
| int register_android_media_AudioRecord(JNIEnv *env) |
| { |
| javaAudioRecordFields.postNativeEventInJava = NULL; |
| javaAudioRecordFields.nativeRecorderInJavaObj = NULL; |
| javaAudioRecordFields.jniData = NULL; |
| |
| |
| // Get the AudioRecord class |
| jclass audioRecordClass = FindClassOrDie(env, kClassPathName); |
| // Get the postEvent method |
| javaAudioRecordFields.postNativeEventInJava = GetStaticMethodIDOrDie(env, |
| audioRecordClass, JAVA_POSTEVENT_CALLBACK_NAME, |
| "(Ljava/lang/Object;IIILjava/lang/Object;)V"); |
| |
| // Get the variables |
| // mNativeAudioRecordHandle |
| javaAudioRecordFields.nativeRecorderInJavaObj = GetFieldIDOrDie(env, |
| audioRecordClass, JAVA_NATIVEAUDIORECORDERHANDLE_FIELD_NAME, "J"); |
| // mNativeJNIDataHandle |
| javaAudioRecordFields.jniData = GetFieldIDOrDie(env, |
| audioRecordClass, JAVA_NATIVEJNIDATAHANDLE_FIELD_NAME, "J"); |
| |
| // Get the RecordTimestamp class and fields |
| jclass audioTimestampClass = FindClassOrDie(env, "android/media/AudioTimestamp"); |
| javaAudioTimestampFields.fieldFramePosition = |
| GetFieldIDOrDie(env, audioTimestampClass, "framePosition", "J"); |
| javaAudioTimestampFields.fieldNanoTime = |
| GetFieldIDOrDie(env, audioTimestampClass, "nanoTime", "J"); |
| |
| jclass arrayListClass = FindClassOrDie(env, "java/util/ArrayList"); |
| gArrayListClass = MakeGlobalRefOrDie(env, arrayListClass); |
| gArrayListMethods.add = GetMethodIDOrDie(env, arrayListClass, "add", "(Ljava/lang/Object;)Z"); |
| |
| return RegisterMethodsOrDie(env, kClassPathName, gMethods, NELEM(gMethods)); |
| } |
| |
| // ---------------------------------------------------------------------------- |
