1 /* 2 * Copyright (C) 2011 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_MP3_H_ 18 19 #define SOFT_MP3_H_ 20 21 #include "SimpleSoftOMXComponent.h" 22 23 struct tPVMP3DecoderExternal; 24 25 namespace android { 26 27 struct SoftMP3 : public SimpleSoftOMXComponent { 28 SoftMP3(const char *name, 29 const OMX_CALLBACKTYPE *callbacks, 30 OMX_PTR appData, 31 OMX_COMPONENTTYPE **component); 32 33 protected: 34 virtual ~SoftMP3(); 35 36 virtual OMX_ERRORTYPE internalGetParameter( 37 OMX_INDEXTYPE index, OMX_PTR params); 38 39 virtual OMX_ERRORTYPE internalSetParameter( 40 OMX_INDEXTYPE index, const OMX_PTR params); 41 42 virtual void onQueueFilled(OMX_U32 portIndex); 43 virtual void onPortFlushCompleted(OMX_U32 portIndex); 44 virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled); 45 virtual void onReset(); 46 47 private: 48 enum { 49 kNumBuffers = 4, 50 kOutputBufferSize = 4608 * 2, 51 kPVMP3DecoderDelay = 529 // frames 52 }; 53 54 tPVMP3DecoderExternal *mConfig; 55 void *mDecoderBuf; 56 int64_t mAnchorTimeUs; 57 int64_t mNumFramesOutput; 58 59 int32_t mNumChannels; 60 int32_t mSamplingRate; 61 62 bool mIsFirst; 63 bool mSignalledError; 64 65 enum { 66 NONE, 67 AWAITING_DISABLED, 68 AWAITING_ENABLED 69 } mOutputPortSettingsChange; 70 71 void initPorts(); 72 void initDecoder(); 73 74 DISALLOW_EVIL_CONSTRUCTORS(SoftMP3); 75 }; 76 77 } // namespace android 78 79 #endif // SOFT_MP3_H_ 80 81 82
