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      1 /*
      2  * Copyright 2016, The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *     http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 //#define LOG_NDEBUG 0
     18 #define LOG_TAG "MediaCodecBuffer"
     19 #include <utils/Log.h>
     20 
     21 #include <media/MediaCodecBuffer.h>
     22 #include <media/stagefright/foundation/ABuffer.h>
     23 #include <media/stagefright/foundation/AMessage.h>
     24 #include <media/stagefright/foundation/MediaBufferBase.h>
     25 
     26 namespace android {
     27 
     28 MediaCodecBuffer::MediaCodecBuffer(const sp<AMessage> &format, const sp<ABuffer> &buffer)
     29     : mMeta(new AMessage),
     30       mFormat(format),
     31       mBuffer(buffer),
     32       mMediaBufferBase(nullptr) {
     33 }
     34 
     35 // ABuffer-like interface
     36 uint8_t *MediaCodecBuffer::base() {
     37     return mBuffer->base();
     38 }
     39 
     40 uint8_t *MediaCodecBuffer::data() {
     41     return mBuffer->data();
     42 }
     43 
     44 size_t MediaCodecBuffer::capacity() const {
     45     return mBuffer->capacity();
     46 }
     47 
     48 size_t MediaCodecBuffer::size() const {
     49     return mBuffer->size();
     50 }
     51 
     52 size_t MediaCodecBuffer::offset() const {
     53     return mBuffer->offset();
     54 }
     55 
     56 status_t MediaCodecBuffer::setRange(size_t offset, size_t size) {
     57     mBuffer->setRange(offset, size);
     58     return OK;
     59 }
     60 
     61 MediaBufferBase *MediaCodecBuffer::getMediaBufferBase() {
     62     if (mMediaBufferBase != NULL) {
     63         mMediaBufferBase->add_ref();
     64     }
     65     return mMediaBufferBase;
     66 }
     67 
     68 void MediaCodecBuffer::setMediaBufferBase(MediaBufferBase *mediaBuffer) {
     69     if (mMediaBufferBase != NULL) {
     70         mMediaBufferBase->release();
     71     }
     72     mMediaBufferBase = mediaBuffer;
     73 }
     74 
     75 sp<AMessage> MediaCodecBuffer::meta() {
     76     return mMeta;
     77 }
     78 
     79 sp<AMessage> MediaCodecBuffer::format() {
     80     return mFormat;
     81 }
     82 
     83 void MediaCodecBuffer::setFormat(const sp<AMessage> &format) {
     84     mMeta->clear();
     85     mFormat = format;
     86 }
     87 
     88 }  // namespace android
     89