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/*
* Copyright (C) 2010 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.
*/
#include "ABuffer.h"
#include "ADebug.h"
#include "ALooper.h"
#include "AMessage.h"
#include "MediaBufferBase.h"
namespace android {
ABuffer::ABuffer(size_t capacity)
: mMediaBufferBase(NULL),
mRangeOffset(0),
mInt32Data(0),
mOwnsData(true) {
mData = malloc(capacity);
if (mData == NULL) {
mCapacity = 0;
mRangeLength = 0;
} else {
mCapacity = capacity;
mRangeLength = capacity;
}
}
ABuffer::ABuffer(void *data, size_t capacity)
: mMediaBufferBase(NULL),
mData(data),
mCapacity(capacity),
mRangeOffset(0),
mRangeLength(capacity),
mInt32Data(0),
mOwnsData(false) {
}
// static
sp<ABuffer> ABuffer::CreateAsCopy(const void *data, size_t capacity)
{
sp<ABuffer> res = new ABuffer(capacity);
if (res->base() == NULL) {
return NULL;
}
memcpy(res->data(), data, capacity);
return res;
}
ABuffer::~ABuffer() {
if (mOwnsData) {
if (mData != NULL) {
free(mData);
mData = NULL;
}
}
if (mFarewell != NULL) {
mFarewell->post();
}
setMediaBufferBase(NULL);
}
void ABuffer::setRange(size_t offset, size_t size) {
CHECK_LE(offset, mCapacity);
CHECK_LE(offset + size, mCapacity);
mRangeOffset = offset;
mRangeLength = size;
}
void ABuffer::setFarewellMessage(const sp<AMessage> msg) {
mFarewell = msg;
}
sp<AMessage> ABuffer::meta() {
if (mMeta == NULL) {
mMeta = new AMessage;
}
return mMeta;
}
MediaBufferBase *ABuffer::getMediaBufferBase() {
if (mMediaBufferBase != NULL) {
mMediaBufferBase->add_ref();
}
return mMediaBufferBase;
}
void ABuffer::setMediaBufferBase(MediaBufferBase *mediaBuffer) {
if (mMediaBufferBase != NULL) {
mMediaBufferBase->release();
}
mMediaBufferBase = mediaBuffer;
}
} // namespace android
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