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 <media/stagefright/omx/SoftVideoDecoderOMXComponent.h> 22 23 struct tagvideoDecControls; 24 25 namespace android { 26 27 struct SoftMPEG4 : public SoftVideoDecoderOMXComponent { 28 SoftMPEG4(const char *name, 29 const char *componentRole, 30 OMX_VIDEO_CODINGTYPE codingType, 31 const CodecProfileLevel *profileLevels, 32 size_t numProfileLevels, 33 const OMX_CALLBACKTYPE *callbacks, 34 OMX_PTR appData, 35 OMX_COMPONENTTYPE **component); 36 37 protected: 38 virtual ~SoftMPEG4(); 39 40 virtual void onQueueFilled(OMX_U32 portIndex); 41 virtual void onPortFlushCompleted(OMX_U32 portIndex); 42 virtual void onReset(); 43 44 private: 45 enum { 46 kNumInputBuffers = 4, 47 kNumOutputBuffers = 2, 48 }; 49 50 enum { 51 MODE_MPEG4, 52 MODE_H263, 53 } mMode; 54 55 tagvideoDecControls *mHandle; 56 57 size_t mInputBufferCount; 58 59 bool mSignalledError; 60 bool mInitialized; 61 bool mFramesConfigured; 62 63 int32_t mNumSamplesOutput; 64 int32_t mPvTime; 65 KeyedVector<int32_t, OMX_TICKS> mPvToOmxTimeMap; 66 67 status_t initDecoder(); 68 69 virtual void updatePortDefinitions(bool updateCrop = true, bool updateInputSize = false); 70 bool handlePortSettingsChange(); 71 72 DISALLOW_EVIL_CONSTRUCTORS(SoftMPEG4); 73 }; 74 75 } // namespace android 76 77 #endif // SOFT_MPEG4_H_ 78 79 80
