JAudioTrack: Add 6 more methods
This CL adds following methods in JAudioTrack:
- getTimeStamp
- setPlaybackRate / getPlaybackRate
- applyVolumeShaper
- write
- getBufferDuartionInUs
Test: build successfully
Change-Id: I30cb80e7f1c7597c583941966a4cfa0a6a2b5f4b
diff --git a/media/libmedia/JAudioTrack.cpp b/media/libmedia/JAudioTrack.cpp
index 3b60922..b228d8b 100644
--- a/media/libmedia/JAudioTrack.cpp
+++ b/media/libmedia/JAudioTrack.cpp
@@ -22,7 +22,6 @@
#include <android_media_AudioErrors.h>
#include <android_runtime/AndroidRuntime.h>
-#include <media/AudioResamplerPublic.h>
namespace android {
@@ -126,6 +125,131 @@
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::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(
@@ -164,6 +288,39 @@
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");
@@ -210,6 +367,24 @@
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");
@@ -217,6 +392,110 @@
return audioFormatToNative(javaFormat);
}
+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);
+}
+
status_t JAudioTrack::javaToNativeStatus(int javaStatus) {
switch (javaStatus) {
case AUDIO_JAVA_SUCCESS: