1 /* 2 * Copyright (C) 2010 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_ENCODER_H 18 #define AMR_WB_ENCODER_H 19 20 #include <media/stagefright/MediaSource.h> 21 #include <media/stagefright/MetaData.h> 22 23 struct VO_AUDIO_CODECAPI; 24 struct VO_MEM_OPERATOR; 25 26 namespace android { 27 28 struct MediaBufferGroup; 29 30 class AMRWBEncoder: public MediaSource { 31 public: 32 AMRWBEncoder(const sp<MediaSource> &source, const sp<MetaData> &meta); 33 34 virtual status_t start(MetaData *params); 35 virtual status_t stop(); 36 virtual sp<MetaData> getFormat(); 37 virtual status_t read( 38 MediaBuffer **buffer, const ReadOptions *options); 39 40 41 protected: 42 virtual ~AMRWBEncoder(); 43 44 private: 45 sp<MediaSource> mSource; 46 sp<MetaData> mMeta; 47 bool mStarted; 48 MediaBufferGroup *mBufferGroup; 49 MediaBuffer *mInputBuffer; 50 status_t mInitCheck; 51 int32_t mBitRate; 52 void *mEncoderHandle; 53 VO_AUDIO_CODECAPI *mApiHandle; 54 VO_MEM_OPERATOR *mMemOperator; 55 56 int64_t mAnchorTimeUs; 57 int64_t mNumFramesOutput; 58 59 int16_t mInputFrame[320]; 60 int32_t mNumInputSamples; 61 62 status_t initCheck(); 63 64 AMRWBEncoder& operator=(const AMRWBEncoder &rhs); 65 AMRWBEncoder(const AMRWBEncoder& copy); 66 67 }; 68 69 } 70 71 #endif //#ifndef AMR_WB_ENCODER_H 72 73
