172961230a5890071bcca436eb5630172ce84ec41Andreas Huber/* 272961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Copyright (C) 2010 The Android Open Source Project 372961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 472961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 572961230a5890071bcca436eb5630172ce84ec41Andreas Huber * you may not use this file except in compliance with the License. 672961230a5890071bcca436eb5630172ce84ec41Andreas Huber * You may obtain a copy of the License at 772961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 872961230a5890071bcca436eb5630172ce84ec41Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 972961230a5890071bcca436eb5630172ce84ec41Andreas Huber * 1072961230a5890071bcca436eb5630172ce84ec41Andreas Huber * Unless required by applicable law or agreed to in writing, software 1172961230a5890071bcca436eb5630172ce84ec41Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 1272961230a5890071bcca436eb5630172ce84ec41Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1372961230a5890071bcca436eb5630172ce84ec41Andreas Huber * See the License for the specific language governing permissions and 1472961230a5890071bcca436eb5630172ce84ec41Andreas Huber * limitations under the License. 1572961230a5890071bcca436eb5630172ce84ec41Andreas Huber */ 1672961230a5890071bcca436eb5630172ce84ec41Andreas Huber 1772961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "ABuffer.h" 1872961230a5890071bcca436eb5630172ce84ec41Andreas Huber 1972961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "ADebug.h" 2072961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "ALooper.h" 2172961230a5890071bcca436eb5630172ce84ec41Andreas Huber#include "AMessage.h" 2272961230a5890071bcca436eb5630172ce84ec41Andreas Huber 2372961230a5890071bcca436eb5630172ce84ec41Andreas Hubernamespace android { 2472961230a5890071bcca436eb5630172ce84ec41Andreas Huber 2572961230a5890071bcca436eb5630172ce84ec41Andreas HuberABuffer::ABuffer(size_t capacity) 26bc8f53b8c1c220d9ce01526b6e3834f14af98ed5Dongwon Kang : mRangeOffset(0), 2772961230a5890071bcca436eb5630172ce84ec41Andreas Huber mInt32Data(0), 2872961230a5890071bcca436eb5630172ce84ec41Andreas Huber mOwnsData(true) { 2994b0badc025b14141ff234e3e4e2745411742bacWei Jia mData = malloc(capacity); 3094b0badc025b14141ff234e3e4e2745411742bacWei Jia if (mData == NULL) { 3194b0badc025b14141ff234e3e4e2745411742bacWei Jia mCapacity = 0; 3294b0badc025b14141ff234e3e4e2745411742bacWei Jia mRangeLength = 0; 3394b0badc025b14141ff234e3e4e2745411742bacWei Jia } else { 3494b0badc025b14141ff234e3e4e2745411742bacWei Jia mCapacity = capacity; 3594b0badc025b14141ff234e3e4e2745411742bacWei Jia mRangeLength = capacity; 3694b0badc025b14141ff234e3e4e2745411742bacWei Jia } 3772961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 3872961230a5890071bcca436eb5630172ce84ec41Andreas Huber 3972961230a5890071bcca436eb5630172ce84ec41Andreas HuberABuffer::ABuffer(void *data, size_t capacity) 40bc8f53b8c1c220d9ce01526b6e3834f14af98ed5Dongwon Kang : mData(data), 4172961230a5890071bcca436eb5630172ce84ec41Andreas Huber mCapacity(capacity), 4272961230a5890071bcca436eb5630172ce84ec41Andreas Huber mRangeOffset(0), 4372961230a5890071bcca436eb5630172ce84ec41Andreas Huber mRangeLength(capacity), 4472961230a5890071bcca436eb5630172ce84ec41Andreas Huber mInt32Data(0), 4572961230a5890071bcca436eb5630172ce84ec41Andreas Huber mOwnsData(false) { 4672961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 4772961230a5890071bcca436eb5630172ce84ec41Andreas Huber 4890b16fbdef406d95a6fb2f9395719dd7b7ca6adbLajos Molnar// static 4990b16fbdef406d95a6fb2f9395719dd7b7ca6adbLajos Molnarsp<ABuffer> ABuffer::CreateAsCopy(const void *data, size_t capacity) 5090b16fbdef406d95a6fb2f9395719dd7b7ca6adbLajos Molnar{ 5190b16fbdef406d95a6fb2f9395719dd7b7ca6adbLajos Molnar sp<ABuffer> res = new ABuffer(capacity); 5294b0badc025b14141ff234e3e4e2745411742bacWei Jia if (res->base() == NULL) { 5394b0badc025b14141ff234e3e4e2745411742bacWei Jia return NULL; 5494b0badc025b14141ff234e3e4e2745411742bacWei Jia } 5590b16fbdef406d95a6fb2f9395719dd7b7ca6adbLajos Molnar memcpy(res->data(), data, capacity); 5690b16fbdef406d95a6fb2f9395719dd7b7ca6adbLajos Molnar return res; 5790b16fbdef406d95a6fb2f9395719dd7b7ca6adbLajos Molnar} 5890b16fbdef406d95a6fb2f9395719dd7b7ca6adbLajos Molnar 5972961230a5890071bcca436eb5630172ce84ec41Andreas HuberABuffer::~ABuffer() { 6072961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (mOwnsData) { 6172961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (mData != NULL) { 6272961230a5890071bcca436eb5630172ce84ec41Andreas Huber free(mData); 6372961230a5890071bcca436eb5630172ce84ec41Andreas Huber mData = NULL; 6472961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 6572961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 6672961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 6772961230a5890071bcca436eb5630172ce84ec41Andreas Huber 6872961230a5890071bcca436eb5630172ce84ec41Andreas Hubervoid ABuffer::setRange(size_t offset, size_t size) { 6972961230a5890071bcca436eb5630172ce84ec41Andreas Huber CHECK_LE(offset, mCapacity); 7072961230a5890071bcca436eb5630172ce84ec41Andreas Huber CHECK_LE(offset + size, mCapacity); 7172961230a5890071bcca436eb5630172ce84ec41Andreas Huber 7272961230a5890071bcca436eb5630172ce84ec41Andreas Huber mRangeOffset = offset; 7372961230a5890071bcca436eb5630172ce84ec41Andreas Huber mRangeLength = size; 7472961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 7572961230a5890071bcca436eb5630172ce84ec41Andreas Huber 7672961230a5890071bcca436eb5630172ce84ec41Andreas Hubersp<AMessage> ABuffer::meta() { 7772961230a5890071bcca436eb5630172ce84ec41Andreas Huber if (mMeta == NULL) { 7872961230a5890071bcca436eb5630172ce84ec41Andreas Huber mMeta = new AMessage; 7972961230a5890071bcca436eb5630172ce84ec41Andreas Huber } 8072961230a5890071bcca436eb5630172ce84ec41Andreas Huber return mMeta; 8172961230a5890071bcca436eb5630172ce84ec41Andreas Huber} 8272961230a5890071bcca436eb5630172ce84ec41Andreas Huber 8372961230a5890071bcca436eb5630172ce84ec41Andreas Huber} // namespace android 8472961230a5890071bcca436eb5630172ce84ec41Andreas Huber 85