1/* 2 * Copyright (C) 2009 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#ifndef M4V_H263_DECODER_H_ 18 19#define M4V_H263_DECODER_H_ 20 21#include <media/stagefright/MediaBuffer.h> 22#include <media/stagefright/MediaSource.h> 23 24struct tagvideoDecControls; 25 26namespace android { 27 28struct M4vH263Decoder : public MediaSource, 29 public MediaBufferObserver { 30 M4vH263Decoder(const sp<MediaSource> &source); 31 32 virtual status_t start(MetaData *params); 33 virtual status_t stop(); 34 35 virtual sp<MetaData> getFormat(); 36 37 virtual status_t read( 38 MediaBuffer **buffer, const ReadOptions *options); 39 40 virtual void signalBufferReturned(MediaBuffer *buffer); 41 42protected: 43 virtual ~M4vH263Decoder(); 44 45private: 46 sp<MediaSource> mSource; 47 bool mStarted; 48 int32_t mWidth, mHeight; 49 50 sp<MetaData> mFormat; 51 52 tagvideoDecControls *mHandle; 53 MediaBuffer *mFrames[2]; 54 MediaBuffer *mInputBuffer; 55 56 int64_t mNumSamplesOutput; 57 int64_t mTargetTimeUs; 58 59 void allocateFrames(int32_t width, int32_t height); 60 void releaseFrames(); 61 62 M4vH263Decoder(const M4vH263Decoder &); 63 M4vH263Decoder &operator=(const M4vH263Decoder &); 64}; 65 66} // namespace android 67 68#endif // M4V_H263_DECODER_H_ 69