1 /* 2 * Copyright (C) 2012 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 SOFT_AMRNB_ENCODER_H_ 18 19 #define SOFT_AMRNB_ENCODER_H_ 20 21 #include "SimpleSoftOMXComponent.h" 22 23 namespace android { 24 25 struct SoftAMRNBEncoder : public SimpleSoftOMXComponent { 26 SoftAMRNBEncoder( 27 const char *name, 28 const OMX_CALLBACKTYPE *callbacks, 29 OMX_PTR appData, 30 OMX_COMPONENTTYPE **component); 31 32 protected: 33 virtual ~SoftAMRNBEncoder(); 34 35 virtual OMX_ERRORTYPE internalGetParameter( 36 OMX_INDEXTYPE index, OMX_PTR params); 37 38 virtual OMX_ERRORTYPE internalSetParameter( 39 OMX_INDEXTYPE index, const OMX_PTR params); 40 41 virtual void onQueueFilled(OMX_U32 portIndex); 42 43 private: 44 enum { 45 kNumBuffers = 4, 46 kNumSamplesPerFrame = 160, 47 }; 48 49 void *mEncState; 50 void *mSidState; 51 52 OMX_U32 mBitRate; 53 int mMode; 54 55 size_t mInputSize; 56 int16_t mInputFrame[kNumSamplesPerFrame]; 57 int64_t mInputTimeUs; 58 59 bool mSawInputEOS; 60 bool mSignalledError; 61 62 void initPorts(); 63 status_t initEncoder(); 64 65 status_t setAudioParams(); 66 67 DISALLOW_EVIL_CONSTRUCTORS(SoftAMRNBEncoder); 68 }; 69 70 } // namespace android 71 72 #endif // SOFT_AMRNB_ENCODER_H_ 73