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_AVC_H_ 18 19 #define SOFT_AVC_H_ 20 21 #include "SoftVideoDecoderOMXComponent.h" 22 #include <utils/KeyedVector.h> 23 24 #include "H264SwDecApi.h" 25 #include "basetype.h" 26 27 namespace android { 28 29 struct SoftAVC : public SoftVideoDecoderOMXComponent { 30 SoftAVC(const char *name, 31 const OMX_CALLBACKTYPE *callbacks, 32 OMX_PTR appData, 33 OMX_COMPONENTTYPE **component); 34 35 protected: 36 virtual ~SoftAVC(); 37 38 virtual void onQueueFilled(OMX_U32 portIndex); 39 virtual void onPortFlushCompleted(OMX_U32 portIndex); 40 virtual void onReset(); 41 42 private: 43 enum { 44 kNumInputBuffers = 8, 45 kNumOutputBuffers = 2, 46 }; 47 48 enum EOSStatus { 49 INPUT_DATA_AVAILABLE, 50 INPUT_EOS_SEEN, 51 OUTPUT_FRAMES_FLUSHED, 52 }; 53 54 void *mHandle; 55 56 size_t mInputBufferCount; 57 58 uint32_t mPictureSize; 59 60 uint8_t *mFirstPicture; 61 int32_t mFirstPictureId; 62 63 int32_t mPicId; // Which output picture is for which input buffer? 64 65 // OMX_BUFFERHEADERTYPE may be overkill, but it is convenient 66 // for tracking the following fields: nFlags, nTimeStamp, etc. 67 KeyedVector<int32_t, OMX_BUFFERHEADERTYPE *> mPicToHeaderMap; 68 bool mHeadersDecoded; 69 70 EOSStatus mEOSStatus; 71 72 bool mSignalledError; 73 74 status_t initDecoder(); 75 void drainAllOutputBuffers(bool eos); 76 void drainOneOutputBuffer(int32_t picId, uint8_t *data); 77 void saveFirstOutputBuffer(int32_t pidId, uint8_t *data); 78 bool handleCropRectEvent(const CropParams* crop); 79 bool handlePortSettingChangeEvent(const H264SwDecInfo *info); 80 81 DISALLOW_EVIL_CONSTRUCTORS(SoftAVC); 82 }; 83 84 } // namespace android 85 86 #endif // SOFT_AVC_H_ 87 88
