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_MPEG4_H_ 18 19 #define SOFT_MPEG4_H_ 20 21 #include "SimpleSoftOMXComponent.h" 22 23 struct tagvideoDecControls; 24 25 namespace android { 26 27 struct SoftMPEG4 : public SimpleSoftOMXComponent { 28 SoftMPEG4(const char *name, 29 const OMX_CALLBACKTYPE *callbacks, 30 OMX_PTR appData, 31 OMX_COMPONENTTYPE **component); 32 33 protected: 34 virtual ~SoftMPEG4(); 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 OMX_ERRORTYPE getConfig(OMX_INDEXTYPE index, OMX_PTR params); 43 44 virtual void onQueueFilled(OMX_U32 portIndex); 45 virtual void onPortFlushCompleted(OMX_U32 portIndex); 46 virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled); 47 48 private: 49 enum { 50 kNumInputBuffers = 4, 51 kNumOutputBuffers = 2, 52 }; 53 54 enum { 55 MODE_MPEG4, 56 MODE_H263, 57 58 } mMode; 59 60 tagvideoDecControls *mHandle; 61 62 size_t mInputBufferCount; 63 64 int32_t mWidth, mHeight; 65 int32_t mCropLeft, mCropTop, mCropRight, mCropBottom; 66 67 bool mSignalledError; 68 bool mInitialized; 69 bool mFramesConfigured; 70 71 int32_t mNumSamplesOutput; 72 73 enum { 74 NONE, 75 AWAITING_DISABLED, 76 AWAITING_ENABLED 77 } mOutputPortSettingsChange; 78 79 void initPorts(); 80 status_t initDecoder(); 81 82 void updatePortDefinitions(); 83 bool portSettingsChanged(); 84 85 DISALLOW_EVIL_CONSTRUCTORS(SoftMPEG4); 86 }; 87 88 } // namespace android 89 90 #endif // SOFT_MPEG4_H_ 91 92 93