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/*
* Copyright 2016 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 "RingBufferParcelable"
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include <stdint.h>
#include <binder/Parcelable.h>
#include <utility/AAudioUtilities.h>
#include "binding/AAudioServiceDefinitions.h"
#include "binding/SharedRegionParcelable.h"
#include "binding/RingBufferParcelable.h"
using namespace aaudio;
RingBufferParcelable::RingBufferParcelable() {}
RingBufferParcelable::~RingBufferParcelable() {}
// TODO This assumes that all three use the same SharedMemoryParcelable
void RingBufferParcelable::setupMemory(int32_t sharedMemoryIndex,
int32_t dataMemoryOffset,
int32_t dataSizeInBytes,
int32_t readCounterOffset,
int32_t writeCounterOffset,
int32_t counterSizeBytes) {
mReadCounterParcelable.setup(sharedMemoryIndex, readCounterOffset, counterSizeBytes);
mWriteCounterParcelable.setup(sharedMemoryIndex, writeCounterOffset, counterSizeBytes);
mDataParcelable.setup(sharedMemoryIndex, dataMemoryOffset, dataSizeInBytes);
}
void RingBufferParcelable::setupMemory(int32_t sharedMemoryIndex,
int32_t dataMemoryOffset,
int32_t dataSizeInBytes) {
mReadCounterParcelable.setup(sharedMemoryIndex, 0, 0);
mWriteCounterParcelable.setup(sharedMemoryIndex, 0, 0);
mDataParcelable.setup(sharedMemoryIndex, dataMemoryOffset, dataSizeInBytes);
}
int32_t RingBufferParcelable::getBytesPerFrame() {
return mBytesPerFrame;
}
void RingBufferParcelable::setBytesPerFrame(int32_t bytesPerFrame) {
mBytesPerFrame = bytesPerFrame;
}
int32_t RingBufferParcelable::getFramesPerBurst() {
return mFramesPerBurst;
}
void RingBufferParcelable::setFramesPerBurst(int32_t framesPerBurst) {
mFramesPerBurst = framesPerBurst;
}
int32_t RingBufferParcelable::getCapacityInFrames() {
return mCapacityInFrames;
}
void RingBufferParcelable::setCapacityInFrames(int32_t capacityInFrames) {
mCapacityInFrames = capacityInFrames;
}
/**
* The read and write must be symmetric.
*/
status_t RingBufferParcelable::writeToParcel(Parcel* parcel) const {
status_t status = AAudioConvert_aaudioToAndroidStatus(validate());
if (status != NO_ERROR) goto error;
status = parcel->writeInt32(mCapacityInFrames);
if (status != NO_ERROR) goto error;
if (mCapacityInFrames > 0) {
status = parcel->writeInt32(mBytesPerFrame);
if (status != NO_ERROR) goto error;
status = parcel->writeInt32(mFramesPerBurst);
if (status != NO_ERROR) goto error;
status = parcel->writeInt32(mFlags);
if (status != NO_ERROR) goto error;
status = mReadCounterParcelable.writeToParcel(parcel);
if (status != NO_ERROR) goto error;
status = mWriteCounterParcelable.writeToParcel(parcel);
if (status != NO_ERROR) goto error;
status = mDataParcelable.writeToParcel(parcel);
if (status != NO_ERROR) goto error;
}
return NO_ERROR;
error:
ALOGE("%s returning %d", __func__, status);
return status;
}
status_t RingBufferParcelable::readFromParcel(const Parcel* parcel) {
status_t status = parcel->readInt32(&mCapacityInFrames);
if (status != NO_ERROR) goto error;
if (mCapacityInFrames > 0) {
status = parcel->readInt32(&mBytesPerFrame);
if (status != NO_ERROR) goto error;
status = parcel->readInt32(&mFramesPerBurst);
if (status != NO_ERROR) goto error;
status = parcel->readInt32((int32_t *)&mFlags);
if (status != NO_ERROR) goto error;
status = mReadCounterParcelable.readFromParcel(parcel);
if (status != NO_ERROR) goto error;
status = mWriteCounterParcelable.readFromParcel(parcel);
if (status != NO_ERROR) goto error;
status = mDataParcelable.readFromParcel(parcel);
if (status != NO_ERROR) goto error;
}
return AAudioConvert_aaudioToAndroidStatus(validate());
error:
ALOGE("%s returning %d", __func__, status);
return status;
}
aaudio_result_t RingBufferParcelable::resolve(SharedMemoryParcelable *memoryParcels, RingBufferDescriptor *descriptor) {
aaudio_result_t result;
result = mReadCounterParcelable.resolve(memoryParcels,
(void **) &descriptor->readCounterAddress);
if (result != AAUDIO_OK) {
return result;
}
result = mWriteCounterParcelable.resolve(memoryParcels,
(void **) &descriptor->writeCounterAddress);
if (result != AAUDIO_OK) {
return result;
}
result = mDataParcelable.resolve(memoryParcels, (void **) &descriptor->dataAddress);
if (result != AAUDIO_OK) {
return result;
}
descriptor->bytesPerFrame = mBytesPerFrame;
descriptor->framesPerBurst = mFramesPerBurst;
descriptor->capacityInFrames = mCapacityInFrames;
descriptor->flags = mFlags;
return AAUDIO_OK;
}
aaudio_result_t RingBufferParcelable::validate() const {
if (mCapacityInFrames < 0 || mCapacityInFrames >= 32 * 1024) {
ALOGE("invalid mCapacityInFrames = %d", mCapacityInFrames);
return AAUDIO_ERROR_INTERNAL;
}
if (mBytesPerFrame < 0 || mBytesPerFrame >= 256) {
ALOGE("invalid mBytesPerFrame = %d", mBytesPerFrame);
return AAUDIO_ERROR_INTERNAL;
}
if (mFramesPerBurst < 0 || mFramesPerBurst >= 16 * 1024) {
ALOGE("invalid mFramesPerBurst = %d", mFramesPerBurst);
return AAUDIO_ERROR_INTERNAL;
}
return AAUDIO_OK;
}
void RingBufferParcelable::dump() {
ALOGD("mCapacityInFrames = %d ---------", mCapacityInFrames);
if (mCapacityInFrames > 0) {
ALOGD("mBytesPerFrame = %d", mBytesPerFrame);
ALOGD("mFramesPerBurst = %d", mFramesPerBurst);
ALOGD("mFlags = %u", mFlags);
mReadCounterParcelable.dump();
mWriteCounterParcelable.dump();
mDataParcelable.dump();
}
}
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