| /* |
| * Copyright 2018 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_TAG "JAudioTrack" |
| |
| #include "media/JAudioAttributes.h" |
| #include "media/JAudioFormat.h" |
| #include "mediaplayer2/JAudioTrack.h" |
| |
| #include <android_media_AudioErrors.h> |
| #include <android_runtime/AndroidRuntime.h> |
| |
| namespace android { |
| |
| // TODO: Store Java class/methodID as a member variable in the class. |
| // TODO: Add NULL && Exception checks after every JNI call. |
| JAudioTrack::JAudioTrack( // < Usages of the arguments are below > |
| audio_stream_type_t streamType, // AudioAudioAttributes |
| uint32_t sampleRate, // AudioFormat && bufferSizeInBytes |
| audio_format_t format, // AudioFormat && bufferSizeInBytes |
| audio_channel_mask_t channelMask, // AudioFormat && bufferSizeInBytes |
| callback_t cbf, // Offload |
| void* user, // Offload |
| size_t frameCount, // bufferSizeInBytes |
| audio_session_t sessionId, // AudioTrack |
| const audio_attributes_t* pAttributes, // AudioAttributes |
| float maxRequiredSpeed) { // bufferSizeInBytes |
| |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jclass jAudioTrackCls = env->FindClass("android/media/AudioTrack"); |
| mAudioTrackCls = (jclass) env->NewGlobalRef(jAudioTrackCls); |
| |
| maxRequiredSpeed = std::min(std::max(maxRequiredSpeed, 1.0f), AUDIO_TIMESTRETCH_SPEED_MAX); |
| |
| int bufferSizeInBytes = 0; |
| if (sampleRate == 0 || frameCount > 0) { |
| // Manually calculate buffer size. |
| bufferSizeInBytes = audio_channel_count_from_out_mask(channelMask) |
| * audio_bytes_per_sample(format) * (frameCount > 0 ? frameCount : 1); |
| } else if (sampleRate > 0) { |
| // Call Java AudioTrack::getMinBufferSize(). |
| jmethodID jGetMinBufferSize = |
| env->GetStaticMethodID(mAudioTrackCls, "getMinBufferSize", "(III)I"); |
| bufferSizeInBytes = env->CallStaticIntMethod(mAudioTrackCls, jGetMinBufferSize, |
| sampleRate, outChannelMaskFromNative(channelMask), audioFormatFromNative(format)); |
| } |
| bufferSizeInBytes = (int) (bufferSizeInBytes * maxRequiredSpeed); |
| |
| // Create a Java AudioTrack object through its Builder. |
| jclass jBuilderCls = env->FindClass("android/media/AudioTrack$Builder"); |
| jmethodID jBuilderCtor = env->GetMethodID(jBuilderCls, "<init>", "()V"); |
| jobject jBuilderObj = env->NewObject(jBuilderCls, jBuilderCtor); |
| |
| jmethodID jSetAudioAttributes = env->GetMethodID(jBuilderCls, "setAudioAttributes", |
| "(Landroid/media/AudioAttributes;)Landroid/media/AudioTrack$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderObj, jSetAudioAttributes, |
| JAudioAttributes::createAudioAttributesObj(env, pAttributes, streamType)); |
| |
| jmethodID jSetAudioFormat = env->GetMethodID(jBuilderCls, "setAudioFormat", |
| "(Landroid/media/AudioFormat;)Landroid/media/AudioTrack$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderObj, jSetAudioFormat, |
| JAudioFormat::createAudioFormatObj(env, sampleRate, format, channelMask)); |
| |
| jmethodID jSetBufferSizeInBytes = env->GetMethodID(jBuilderCls, "setBufferSizeInBytes", |
| "(I)Landroid/media/AudioTrack$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderObj, jSetBufferSizeInBytes, bufferSizeInBytes); |
| |
| // We only use streaming mode of Java AudioTrack. |
| jfieldID jModeStream = env->GetStaticFieldID(mAudioTrackCls, "MODE_STREAM", "I"); |
| jint transferMode = env->GetStaticIntField(mAudioTrackCls, jModeStream); |
| jmethodID jSetTransferMode = env->GetMethodID(jBuilderCls, "setTransferMode", |
| "(I)Landroid/media/AudioTrack$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderObj, jSetTransferMode, |
| transferMode /* Java AudioTrack::MODE_STREAM */); |
| |
| if (sessionId != 0) { |
| jmethodID jSetSessionId = env->GetMethodID(jBuilderCls, "setSessionId", |
| "(I)Landroid/media/AudioTrack$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderObj, jSetSessionId, sessionId); |
| } |
| |
| if (cbf != NULL) { |
| jmethodID jSetOffloadedPlayback = env->GetMethodID(jBuilderCls, "setOffloadedPlayback", |
| "(Z)Landroid/media/AudioTrack$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderObj, jSetOffloadedPlayback, true); |
| mFlags = AUDIO_OUTPUT_FLAG_COMPRESS_OFFLOAD; |
| } |
| |
| jmethodID jBuild = env->GetMethodID(jBuilderCls, "build", "()Landroid/media/AudioTrack;"); |
| mAudioTrackObj = env->CallObjectMethod(jBuilderObj, jBuild); |
| |
| if (cbf != NULL) { |
| // Set offload mode callback |
| jobject jStreamEventCallbackObj = createStreamEventCallback(cbf, user); |
| jobject jExecutorObj = createCallbackExecutor(); |
| jmethodID jSetStreamEventCallback = env->GetMethodID( |
| jAudioTrackCls, |
| "setStreamEventCallback", |
| "(Ljava/util/concurrent/Executor;Landroid/media/AudioTrack$StreamEventCallback;)V"); |
| env->CallVoidMethod( |
| mAudioTrackObj, jSetStreamEventCallback, jExecutorObj, jStreamEventCallbackObj); |
| } |
| } |
| |
| JAudioTrack::~JAudioTrack() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| env->DeleteGlobalRef(mAudioTrackCls); |
| } |
| |
| size_t JAudioTrack::frameCount() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetBufferSizeInFrames = env->GetMethodID( |
| mAudioTrackCls, "getBufferSizeInFrames", "()I"); |
| return env->CallIntMethod(mAudioTrackObj, jGetBufferSizeInFrames); |
| } |
| |
| size_t JAudioTrack::channelCount() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetChannelCount = env->GetMethodID(mAudioTrackCls, "getChannelCount", "()I"); |
| return env->CallIntMethod(mAudioTrackObj, jGetChannelCount); |
| } |
| |
| uint32_t JAudioTrack::latency() { |
| // TODO: Currently hard-coded as returning zero. |
| return 0; |
| } |
| |
| status_t JAudioTrack::getPosition(uint32_t *position) { |
| if (position == NULL) { |
| return BAD_VALUE; |
| } |
| |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetPlaybackHeadPosition = env->GetMethodID( |
| mAudioTrackCls, "getPlaybackHeadPosition", "()I"); |
| *position = env->CallIntMethod(mAudioTrackObj, jGetPlaybackHeadPosition); |
| |
| return NO_ERROR; |
| } |
| |
| bool JAudioTrack::getTimestamp(AudioTimestamp& timestamp) { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| |
| jclass jAudioTimeStampCls = env->FindClass("android/media/AudioTimestamp"); |
| jobject jAudioTimeStampObj = env->AllocObject(jAudioTimeStampCls); |
| |
| jfieldID jFramePosition = env->GetFieldID(jAudioTimeStampCls, "framePosition", "L"); |
| jfieldID jNanoTime = env->GetFieldID(jAudioTimeStampCls, "nanoTime", "L"); |
| |
| jmethodID jGetTimestamp = env->GetMethodID(mAudioTrackCls, |
| "getTimestamp", "(Landroid/media/AudioTimestamp)B"); |
| bool success = env->CallBooleanMethod(mAudioTrackObj, jGetTimestamp, jAudioTimeStampObj); |
| |
| if (!success) { |
| return false; |
| } |
| |
| long long framePosition = env->GetLongField(jAudioTimeStampObj, jFramePosition); |
| long long nanoTime = env->GetLongField(jAudioTimeStampObj, jNanoTime); |
| |
| struct timespec ts; |
| const long long secondToNano = 1000000000LL; // 1E9 |
| ts.tv_sec = nanoTime / secondToNano; |
| ts.tv_nsec = nanoTime % secondToNano; |
| timestamp.mTime = ts; |
| timestamp.mPosition = (uint32_t) framePosition; |
| |
| return true; |
| } |
| |
| status_t JAudioTrack::getTimestamp(ExtendedTimestamp *timestamp __unused) { |
| // TODO: Implement this after appropriate Java AudioTrack method is available. |
| return NO_ERROR; |
| } |
| |
| status_t JAudioTrack::setPlaybackRate(const AudioPlaybackRate &playbackRate) { |
| // TODO: existing native AudioTrack returns INVALID_OPERATION on offload/direct/fast tracks. |
| // Should we do the same thing? |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| |
| jclass jPlaybackParamsCls = env->FindClass("android/media/PlaybackParams"); |
| jmethodID jPlaybackParamsCtor = env->GetMethodID(jPlaybackParamsCls, "<init>", "()V"); |
| jobject jPlaybackParamsObj = env->NewObject(jPlaybackParamsCls, jPlaybackParamsCtor); |
| |
| jmethodID jSetAudioFallbackMode = env->GetMethodID( |
| jPlaybackParamsCls, "setAudioFallbackMode", "(I)Landroid/media/PlaybackParams;"); |
| jPlaybackParamsObj = env->CallObjectMethod( |
| jPlaybackParamsObj, jSetAudioFallbackMode, playbackRate.mFallbackMode); |
| |
| jmethodID jSetAudioStretchMode = env->GetMethodID( |
| jPlaybackParamsCls, "setAudioStretchMode", "(I)Landroid/media/PlaybackParams;"); |
| jPlaybackParamsObj = env->CallObjectMethod( |
| jPlaybackParamsObj, jSetAudioStretchMode, playbackRate.mStretchMode); |
| |
| jmethodID jSetPitch = env->GetMethodID( |
| jPlaybackParamsCls, "setPitch", "(F)Landroid/media/PlaybackParams;"); |
| jPlaybackParamsObj = env->CallObjectMethod(jPlaybackParamsObj, jSetPitch, playbackRate.mPitch); |
| |
| jmethodID jSetSpeed = env->GetMethodID( |
| jPlaybackParamsCls, "setSpeed", "(F)Landroid/media/PlaybackParams;"); |
| jPlaybackParamsObj = env->CallObjectMethod(jPlaybackParamsObj, jSetSpeed, playbackRate.mSpeed); |
| |
| |
| // Set this Java PlaybackParams object into Java AudioTrack. |
| jmethodID jSetPlaybackParams = env->GetMethodID( |
| mAudioTrackCls, "setPlaybackParams", "(Landroid/media/PlaybackParams;)V"); |
| env->CallVoidMethod(mAudioTrackObj, jSetPlaybackParams, jPlaybackParamsObj); |
| // TODO: Should we catch the Java IllegalArgumentException? |
| |
| return NO_ERROR; |
| } |
| |
| const AudioPlaybackRate JAudioTrack::getPlaybackRate() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| |
| jmethodID jGetPlaybackParams = env->GetMethodID( |
| mAudioTrackCls, "getPlaybackParams", "()Landroid/media/PlaybackParams;"); |
| jobject jPlaybackParamsObj = env->CallObjectMethod(mAudioTrackObj, jGetPlaybackParams); |
| |
| AudioPlaybackRate playbackRate; |
| jclass jPlaybackParamsCls = env->FindClass("android/media/PlaybackParams"); |
| |
| jmethodID jGetAudioFallbackMode = env->GetMethodID( |
| jPlaybackParamsCls, "getAudioFallbackMode", "()I"); |
| // TODO: Should we enable passing AUDIO_TIMESTRETCH_FALLBACK_CUT_REPEAT? |
| // The enum is internal only, so it is not defined in PlaybackParmas.java. |
| // TODO: Is this right way to convert an int to an enum? |
| playbackRate.mFallbackMode = static_cast<AudioTimestretchFallbackMode>( |
| env->CallIntMethod(jPlaybackParamsObj, jGetAudioFallbackMode)); |
| |
| jmethodID jGetAudioStretchMode = env->GetMethodID( |
| jPlaybackParamsCls, "getAudioStretchMode", "()I"); |
| playbackRate.mStretchMode = static_cast<AudioTimestretchStretchMode>( |
| env->CallIntMethod(jPlaybackParamsObj, jGetAudioStretchMode)); |
| |
| jmethodID jGetPitch = env->GetMethodID(jPlaybackParamsCls, "getPitch", "()F"); |
| playbackRate.mPitch = env->CallFloatMethod(jPlaybackParamsObj, jGetPitch); |
| |
| jmethodID jGetSpeed = env->GetMethodID(jPlaybackParamsCls, "getSpeed", "()F"); |
| playbackRate.mSpeed = env->CallFloatMethod(jPlaybackParamsObj, jGetSpeed); |
| |
| return playbackRate; |
| } |
| |
| media::VolumeShaper::Status JAudioTrack::applyVolumeShaper( |
| const sp<media::VolumeShaper::Configuration>& configuration, |
| const sp<media::VolumeShaper::Operation>& operation) { |
| |
| jobject jConfigurationObj = createVolumeShaperConfigurationObj(configuration); |
| jobject jOperationObj = createVolumeShaperOperationObj(operation); |
| |
| if (jConfigurationObj == NULL || jOperationObj == NULL) { |
| return media::VolumeShaper::Status(BAD_VALUE); |
| } |
| |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| |
| jmethodID jCreateVolumeShaper = env->GetMethodID(mAudioTrackCls, "createVolumeShaper", |
| "(Landroid/media/VolumeShaper$Configuration;)Landroid/media/VolumeShaper;"); |
| jobject jVolumeShaperObj = env->CallObjectMethod( |
| mAudioTrackObj, jCreateVolumeShaper, jConfigurationObj); |
| |
| jclass jVolumeShaperCls = env->FindClass("android/media/VolumeShaper"); |
| jmethodID jApply = env->GetMethodID(jVolumeShaperCls, "apply", |
| "(Landroid/media/VolumeShaper$Operation;)V"); |
| env->CallVoidMethod(jVolumeShaperObj, jApply, jOperationObj); |
| |
| return media::VolumeShaper::Status(NO_ERROR); |
| } |
| |
| status_t JAudioTrack::setAuxEffectSendLevel(float level) { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jSetAuxEffectSendLevel = env->GetMethodID( |
| mAudioTrackCls, "setAuxEffectSendLevel", "(F)I"); |
| int result = env->CallIntMethod(mAudioTrackObj, jSetAuxEffectSendLevel, level); |
| return javaToNativeStatus(result); |
| } |
| |
| status_t JAudioTrack::attachAuxEffect(int effectId) { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jAttachAuxEffect = env->GetMethodID(mAudioTrackCls, "attachAuxEffect", "(I)I"); |
| int result = env->CallIntMethod(mAudioTrackObj, jAttachAuxEffect, effectId); |
| return javaToNativeStatus(result); |
| } |
| |
| status_t JAudioTrack::setVolume(float left, float right) { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| // TODO: Java setStereoVolume is deprecated. Do we really need this method? |
| jmethodID jSetStereoVolume = env->GetMethodID(mAudioTrackCls, "setStereoVolume", "(FF)I"); |
| int result = env->CallIntMethod(mAudioTrackObj, jSetStereoVolume, left, right); |
| return javaToNativeStatus(result); |
| } |
| |
| status_t JAudioTrack::setVolume(float volume) { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jSetVolume = env->GetMethodID(mAudioTrackCls, "setVolume", "(F)I"); |
| int result = env->CallIntMethod(mAudioTrackObj, jSetVolume, volume); |
| return javaToNativeStatus(result); |
| } |
| |
| status_t JAudioTrack::start() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jPlay = env->GetMethodID(mAudioTrackCls, "play", "()V"); |
| // TODO: Should we catch the Java IllegalStateException from play()? |
| env->CallVoidMethod(mAudioTrackObj, jPlay); |
| return NO_ERROR; |
| } |
| |
| ssize_t JAudioTrack::write(const void* buffer, size_t size, bool blocking) { |
| if (buffer == NULL) { |
| return BAD_VALUE; |
| } |
| |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jbyteArray jAudioData = env->NewByteArray(size); |
| env->SetByteArrayRegion(jAudioData, 0, size, (jbyte *) buffer); |
| |
| jclass jByteBufferCls = env->FindClass("java/nio/ByteBuffer"); |
| jmethodID jWrap = env->GetStaticMethodID(jByteBufferCls, "wrap", "([B)Ljava/nio/ByteBuffer;"); |
| jobject jByteBufferObj = env->CallStaticObjectMethod(jByteBufferCls, jWrap, jAudioData); |
| |
| int writeMode = 0; |
| if (blocking) { |
| jfieldID jWriteBlocking = env->GetStaticFieldID(mAudioTrackCls, "WRITE_BLOCKING", "I"); |
| writeMode = env->GetStaticIntField(mAudioTrackCls, jWriteBlocking); |
| } else { |
| jfieldID jWriteNonBlocking = env->GetStaticFieldID( |
| mAudioTrackCls, "WRITE_NON_BLOCKING", "I"); |
| writeMode = env->GetStaticIntField(mAudioTrackCls, jWriteNonBlocking); |
| } |
| |
| jmethodID jWrite = env->GetMethodID(mAudioTrackCls, "write", "(Ljava/nio/ByteBuffer;II)I"); |
| int result = env->CallIntMethod(mAudioTrackObj, jWrite, jByteBufferObj, size, writeMode); |
| |
| if (result >= 0) { |
| return result; |
| } else { |
| return javaToNativeStatus(result); |
| } |
| } |
| |
| void JAudioTrack::stop() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jStop = env->GetMethodID(mAudioTrackCls, "stop", "()V"); |
| env->CallVoidMethod(mAudioTrackObj, jStop); |
| // TODO: Should we catch IllegalStateException? |
| } |
| |
| // TODO: Is the right implementation? |
| bool JAudioTrack::stopped() const { |
| return !isPlaying(); |
| } |
| |
| void JAudioTrack::flush() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jFlush = env->GetMethodID(mAudioTrackCls, "flush", "()V"); |
| env->CallVoidMethod(mAudioTrackObj, jFlush); |
| } |
| |
| void JAudioTrack::pause() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jPause = env->GetMethodID(mAudioTrackCls, "pause", "()V"); |
| env->CallVoidMethod(mAudioTrackObj, jPause); |
| // TODO: Should we catch IllegalStateException? |
| } |
| |
| bool JAudioTrack::isPlaying() const { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetPlayState = env->GetMethodID(mAudioTrackCls, "getPlayState", "()I"); |
| int currentPlayState = env->CallIntMethod(mAudioTrackObj, jGetPlayState); |
| |
| // TODO: In Java AudioTrack, there is no STOPPING state. |
| // This means while stopping, isPlaying() will return different value in two class. |
| // - in existing native AudioTrack: true |
| // - in JAudioTrack: false |
| // If not okay, also modify the implementation of stopped(). |
| jfieldID jPlayStatePlaying = env->GetStaticFieldID(mAudioTrackCls, "PLAYSTATE_PLAYING", "I"); |
| int statePlaying = env->GetStaticIntField(mAudioTrackCls, jPlayStatePlaying); |
| return currentPlayState == statePlaying; |
| } |
| |
| uint32_t JAudioTrack::getSampleRate() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetSampleRate = env->GetMethodID(mAudioTrackCls, "getSampleRate", "()I"); |
| return env->CallIntMethod(mAudioTrackObj, jGetSampleRate); |
| } |
| |
| status_t JAudioTrack::getBufferDurationInUs(int64_t *duration) { |
| if (duration == nullptr) { |
| return BAD_VALUE; |
| } |
| |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetBufferSizeInFrames = env->GetMethodID( |
| mAudioTrackCls, "getBufferSizeInFrames", "()I"); |
| int bufferSizeInFrames = env->CallIntMethod(mAudioTrackObj, jGetBufferSizeInFrames); |
| |
| const double secondToMicro = 1000000LL; // 1E6 |
| int sampleRate = JAudioTrack::getSampleRate(); |
| float speed = JAudioTrack::getPlaybackRate().mSpeed; |
| |
| *duration = (int64_t) (bufferSizeInFrames * secondToMicro / (sampleRate * speed)); |
| return NO_ERROR; |
| } |
| |
| audio_format_t JAudioTrack::format() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetAudioFormat = env->GetMethodID(mAudioTrackCls, "getAudioFormat", "()I"); |
| int javaFormat = env->CallIntMethod(mAudioTrackObj, jGetAudioFormat); |
| return audioFormatToNative(javaFormat); |
| } |
| |
| status_t JAudioTrack::dump(int fd, const Vector<String16>& args __unused) const |
| { |
| String8 result; |
| |
| result.append(" JAudioTrack::dump\n"); |
| |
| // TODO: Remove logs that includes unavailable information from below. |
| // result.appendFormat(" status(%d), state(%d), session Id(%d), flags(%#x)\n", |
| // mStatus, mState, mSessionId, mFlags); |
| // result.appendFormat(" stream type(%d), left - right volume(%f, %f)\n", |
| // (mStreamType == AUDIO_STREAM_DEFAULT) ? |
| // audio_attributes_to_stream_type(&mAttributes) : mStreamType, |
| // mVolume[AUDIO_INTERLEAVE_LEFT], mVolume[AUDIO_INTERLEAVE_RIGHT]); |
| // result.appendFormat(" format(%#x), channel mask(%#x), channel count(%u)\n", |
| // format(), mChannelMask, channelCount()); |
| // result.appendFormat(" sample rate(%u), original sample rate(%u), speed(%f)\n", |
| // getSampleRate(), mOriginalSampleRate, mPlaybackRate.mSpeed); |
| // result.appendFormat(" frame count(%zu), req. frame count(%zu)\n", |
| // frameCount(), mReqFrameCount); |
| // result.appendFormat(" notif. frame count(%u), req. notif. frame count(%u)," |
| // " req. notif. per buff(%u)\n", |
| // mNotificationFramesAct, mNotificationFramesReq, mNotificationsPerBufferReq); |
| // result.appendFormat(" latency (%d), selected device Id(%d), routed device Id(%d)\n", |
| // latency(), mSelectedDeviceId, getRoutedDeviceId()); |
| // result.appendFormat(" output(%d) AF latency (%u) AF frame count(%zu) AF SampleRate(%u)\n", |
| // mOutput, mAfLatency, mAfFrameCount, mAfSampleRate); |
| ::write(fd, result.string(), result.size()); |
| return NO_ERROR; |
| } |
| |
| audio_port_handle_t JAudioTrack::getRoutedDeviceId() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetRoutedDevice = env->GetMethodID(mAudioTrackCls, "getRoutedDevice", |
| "()Landroid/media/AudioDeviceInfo;"); |
| jobject jAudioDeviceInfoObj = env->CallObjectMethod(mAudioTrackObj, jGetRoutedDevice); |
| if (env->IsSameObject(jAudioDeviceInfoObj, NULL)) { |
| return AUDIO_PORT_HANDLE_NONE; |
| } |
| |
| jclass jAudioDeviceInfoCls = env->FindClass("Landroid/media/AudioDeviceInfo"); |
| jmethodID jGetId = env->GetMethodID(jAudioDeviceInfoCls, "getId", "()I"); |
| jint routedDeviceId = env->CallIntMethod(jAudioDeviceInfoObj, jGetId); |
| return routedDeviceId; |
| } |
| |
| audio_session_t JAudioTrack::getAudioSessionId() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jmethodID jGetAudioSessionId = env->GetMethodID(mAudioTrackCls, "getAudioSessionId", "()I"); |
| jint sessionId = env->CallIntMethod(mAudioTrackObj, jGetAudioSessionId); |
| return (audio_session_t) sessionId; |
| } |
| |
| status_t JAudioTrack::setOutputDevice(audio_port_handle_t deviceId) { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jclass jMP2ImplCls = env->FindClass("android/media/MediaPlayer2Impl"); |
| jmethodID jSetAudioOutputDeviceById = env->GetMethodID( |
| jMP2ImplCls, "setAudioOutputDeviceById", "(Landroid/media/AudioTrack;I)Z"); |
| jboolean result = env->CallStaticBooleanMethod( |
| jMP2ImplCls, jSetAudioOutputDeviceById, mAudioTrackObj, deviceId); |
| return result == true ? NO_ERROR : BAD_VALUE; |
| } |
| |
| status_t JAudioTrack::pendingDuration(int32_t *msec) { |
| if (msec == nullptr) { |
| return BAD_VALUE; |
| } |
| |
| bool isPurePcmData = audio_is_linear_pcm(format()) && (getFlags() & AUDIO_FLAG_HW_AV_SYNC) == 0; |
| if (!isPurePcmData) { |
| return INVALID_OPERATION; |
| } |
| |
| // TODO: Need to know the difference btw. client and server time. |
| // If getTimestamp(ExtendedTimestamp) is ready, and un-comment below and modify appropriately. |
| // (copied from AudioTrack.cpp) |
| |
| // ExtendedTimestamp ets; |
| // ExtendedTimestamp::LOCATION location = ExtendedTimestamp::LOCATION_SERVER; |
| // if (getTimestamp_l(&ets) == OK && ets.mTimeNs[location] > 0) { |
| // int64_t diff = ets.mPosition[ExtendedTimestamp::LOCATION_CLIENT] |
| // - ets.mPosition[location]; |
| // if (diff < 0) { |
| // *msec = 0; |
| // } else { |
| // // ms is the playback time by frames |
| // int64_t ms = (int64_t)((double)diff * 1000 / |
| // ((double)mSampleRate * mPlaybackRate.mSpeed)); |
| // // clockdiff is the timestamp age (negative) |
| // int64_t clockdiff = (mState != STATE_ACTIVE) ? 0 : |
| // ets.mTimeNs[location] |
| // + ets.mTimebaseOffset[ExtendedTimestamp::TIMEBASE_MONOTONIC] |
| // - systemTime(SYSTEM_TIME_MONOTONIC); |
| // |
| // //ALOGV("ms: %lld clockdiff: %lld", (long long)ms, (long long)clockdiff); |
| // static const int NANOS_PER_MILLIS = 1000000; |
| // *msec = (int32_t)(ms + clockdiff / NANOS_PER_MILLIS); |
| // } |
| // return NO_ERROR; |
| // } |
| |
| return NO_ERROR; |
| } |
| |
| status_t JAudioTrack::addAudioDeviceCallback( |
| const sp<AudioSystem::AudioDeviceCallback>& callback __unused) { |
| // TODO: Implement this after appropriate Java AudioTrack method is available. |
| return NO_ERROR; |
| } |
| |
| status_t JAudioTrack::removeAudioDeviceCallback( |
| const sp<AudioSystem::AudioDeviceCallback>& callback __unused) { |
| // TODO: Implement this after appropriate Java AudioTrack method is available. |
| return NO_ERROR; |
| } |
| |
| ///////////////////////////////////////////////////////////// |
| /// Private method begins /// |
| ///////////////////////////////////////////////////////////// |
| |
| jobject JAudioTrack::createVolumeShaperConfigurationObj( |
| const sp<media::VolumeShaper::Configuration>& config) { |
| |
| // TODO: Java VolumeShaper's setId() / setOptionFlags() are hidden. |
| if (config == NULL || config->getType() == media::VolumeShaper::Configuration::TYPE_ID) { |
| return NULL; |
| } |
| |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| |
| // Referenced "android_media_VolumeShaper.h". |
| jfloatArray xarray = nullptr; |
| jfloatArray yarray = nullptr; |
| if (config->getType() == media::VolumeShaper::Configuration::TYPE_SCALE) { |
| // convert curve arrays |
| xarray = env->NewFloatArray(config->size()); |
| yarray = env->NewFloatArray(config->size()); |
| float * const x = env->GetFloatArrayElements(xarray, nullptr /* isCopy */); |
| float * const y = env->GetFloatArrayElements(yarray, nullptr /* isCopy */); |
| float *xptr = x, *yptr = y; |
| for (const auto &pt : *config.get()) { |
| *xptr++ = pt.first; |
| *yptr++ = pt.second; |
| } |
| env->ReleaseFloatArrayElements(xarray, x, 0 /* mode */); |
| env->ReleaseFloatArrayElements(yarray, y, 0 /* mode */); |
| } |
| |
| jclass jBuilderCls = env->FindClass("android/media/VolumeShaper$Configuration$Builder"); |
| jmethodID jBuilderCtor = env->GetMethodID(jBuilderCls, "<init>", "()V"); |
| jobject jBuilderObj = env->NewObject(jBuilderCls, jBuilderCtor); |
| |
| jmethodID jSetDuration = env->GetMethodID(jBuilderCls, "setDuration", |
| "(L)Landroid/media/VolumeShaper$Configuration$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jSetDuration, (jlong) config->getDurationMs()); |
| |
| jmethodID jSetInterpolatorType = env->GetMethodID(jBuilderCls, "setInterpolatorType", |
| "(I)Landroid/media/VolumeShaper$Configuration$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jSetInterpolatorType, |
| config->getInterpolatorType()); |
| |
| jmethodID jSetCurve = env->GetMethodID(jBuilderCls, "setCurve", |
| "([F[F)Landroid/media/VolumeShaper$Configuration$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jSetCurve, xarray, yarray); |
| |
| jmethodID jBuild = env->GetMethodID(jBuilderCls, "build", |
| "()Landroid/media/VolumeShaper$Configuration;"); |
| return env->CallObjectMethod(jBuilderObj, jBuild); |
| } |
| |
| jobject JAudioTrack::createVolumeShaperOperationObj( |
| const sp<media::VolumeShaper::Operation>& operation) { |
| |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| |
| jclass jBuilderCls = env->FindClass("android/media/VolumeShaper$Operation$Builder"); |
| jmethodID jBuilderCtor = env->GetMethodID(jBuilderCls, "<init>", "()V"); |
| jobject jBuilderObj = env->NewObject(jBuilderCls, jBuilderCtor); |
| |
| // Set XOffset |
| jmethodID jSetXOffset = env->GetMethodID(jBuilderCls, "setXOffset", |
| "(F)Landroid/media/VolumeShaper$Operation$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jSetXOffset, operation->getXOffset()); |
| |
| int32_t flags = operation->getFlags(); |
| |
| if (operation->getReplaceId() >= 0) { |
| jmethodID jReplace = env->GetMethodID(jBuilderCls, "replace", |
| "(IB)Landroid/media/VolumeShaper$Operation$Builder;"); |
| bool join = (flags | media::VolumeShaper::Operation::FLAG_JOIN) != 0; |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jReplace, operation->getReplaceId(), join); |
| } |
| |
| if (flags | media::VolumeShaper::Operation::FLAG_REVERSE) { |
| jmethodID jReverse = env->GetMethodID(jBuilderCls, "reverse", |
| "()Landroid/media/VolumeShaper$Operation$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jReverse); |
| } |
| |
| // TODO: VolumeShaper Javadoc says "Do not call terminate() directly". Can we call this? |
| if (flags | media::VolumeShaper::Operation::FLAG_TERMINATE) { |
| jmethodID jTerminate = env->GetMethodID(jBuilderCls, "terminate", |
| "()Landroid/media/VolumeShaper$Operation$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jTerminate); |
| } |
| |
| if (flags | media::VolumeShaper::Operation::FLAG_DELAY) { |
| jmethodID jDefer = env->GetMethodID(jBuilderCls, "defer", |
| "()Landroid/media/VolumeShaper$Operation$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jDefer); |
| } |
| |
| if (flags | media::VolumeShaper::Operation::FLAG_CREATE_IF_NECESSARY) { |
| jmethodID jCreateIfNeeded = env->GetMethodID(jBuilderCls, "createIfNeeded", |
| "()Landroid/media/VolumeShaper$Operation$Builder;"); |
| jBuilderObj = env->CallObjectMethod(jBuilderCls, jCreateIfNeeded); |
| } |
| |
| // TODO: Handle error case (can it be NULL?) |
| jmethodID jBuild = env->GetMethodID(jBuilderCls, "build", |
| "()Landroid/media/VolumeShaper$Operation;"); |
| return env->CallObjectMethod(jBuilderObj, jBuild); |
| } |
| |
| jobject JAudioTrack::createStreamEventCallback(callback_t cbf, void* user) { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jclass jCallbackCls = env->FindClass("android/media/MediaPlayer2Impl$StreamEventCallback"); |
| jmethodID jCallbackCtor = env->GetMethodID(jCallbackCls, "<init>", "(JJJ)V"); |
| jobject jCallbackObj = env->NewObject(jCallbackCls, jCallbackCtor, this, cbf, user); |
| return jCallbackObj; |
| } |
| |
| jobject JAudioTrack::createCallbackExecutor() { |
| JNIEnv *env = AndroidRuntime::getJNIEnv(); |
| jclass jExecutorsCls = env->FindClass("java/util/concurrent/Executors"); |
| jmethodID jNewSingleThreadExecutor = env->GetStaticMethodID(jExecutorsCls, |
| "newSingleThreadExecutor", "()Ljava/util/concurrent/ExecutorService;"); |
| jobject jSingleThreadExecutorObj = |
| env->CallStaticObjectMethod(jExecutorsCls, jNewSingleThreadExecutor); |
| return jSingleThreadExecutorObj; |
| } |
| |
| status_t JAudioTrack::javaToNativeStatus(int javaStatus) { |
| switch (javaStatus) { |
| case AUDIO_JAVA_SUCCESS: |
| return NO_ERROR; |
| case AUDIO_JAVA_BAD_VALUE: |
| return BAD_VALUE; |
| case AUDIO_JAVA_INVALID_OPERATION: |
| return INVALID_OPERATION; |
| case AUDIO_JAVA_PERMISSION_DENIED: |
| return PERMISSION_DENIED; |
| case AUDIO_JAVA_NO_INIT: |
| return NO_INIT; |
| case AUDIO_JAVA_WOULD_BLOCK: |
| return WOULD_BLOCK; |
| case AUDIO_JAVA_DEAD_OBJECT: |
| return DEAD_OBJECT; |
| default: |
| return UNKNOWN_ERROR; |
| } |
| } |
| |
| } // namespace android |
