/* * 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); CHECK(mData != NULL); 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::CreateAsCopy(const void *data, size_t capacity) { sp 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 msg) { mFarewell = msg; } sp 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