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 AMR_WB_DECODER_H_ 18 19 #define AMR_WB_DECODER_H_ 20 21 #include <media/stagefright/MediaSource.h> 22 23 namespace android { 24 25 struct MediaBufferGroup; 26 27 struct AMRWBDecoder : public MediaSource { 28 AMRWBDecoder(const sp<MediaSource> &source); 29 30 virtual status_t start(MetaData *params); 31 virtual status_t stop(); 32 33 virtual sp<MetaData> getFormat(); 34 35 virtual status_t read( 36 MediaBuffer **buffer, const ReadOptions *options); 37 38 protected: 39 virtual ~AMRWBDecoder(); 40 41 private: 42 sp<MediaSource> mSource; 43 bool mStarted; 44 45 MediaBufferGroup *mBufferGroup; 46 47 void *mState; 48 void *mDecoderBuf; 49 int16_t *mDecoderCookie; 50 int64_t mAnchorTimeUs; 51 int64_t mNumSamplesOutput; 52 int16_t mInputSampleBuffer[477]; 53 54 MediaBuffer *mInputBuffer; 55 56 AMRWBDecoder(const AMRWBDecoder &); 57 AMRWBDecoder &operator=(const AMRWBDecoder &); 58 }; 59 60 } // namespace android 61 62 #endif // AMR_WB_DECODER_H_ 63
