1 /* 2 * Copyright (C) 2013 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_VIDEO_DECODER_OMX_COMPONENT_H_ 18 19 #define SOFT_VIDEO_DECODER_OMX_COMPONENT_H_ 20 21 #include "SimpleSoftOMXComponent.h" 22 23 #include <media/stagefright/foundation/AHandlerReflector.h> 24 #include <media/stagefright/foundation/ColorUtils.h> 25 #include <media/IOMX.h> 26 27 #include <utils/RefBase.h> 28 #include <utils/threads.h> 29 #include <utils/Vector.h> 30 31 namespace android { 32 33 struct SoftVideoDecoderOMXComponent : public SimpleSoftOMXComponent { 34 SoftVideoDecoderOMXComponent( 35 const char *name, 36 const char *componentRole, 37 OMX_VIDEO_CODINGTYPE codingType, 38 const CodecProfileLevel *profileLevels, 39 size_t numProfileLevels, 40 int32_t width, 41 int32_t height, 42 const OMX_CALLBACKTYPE *callbacks, 43 OMX_PTR appData, 44 OMX_COMPONENTTYPE **component); 45 46 protected: 47 enum { 48 kDescribeColorAspectsIndex = kPrepareForAdaptivePlaybackIndex + 1, 49 }; 50 51 enum { 52 kNotSupported, 53 kPreferBitstream, 54 kPreferContainer, 55 }; 56 57 virtual void onPortEnableCompleted(OMX_U32 portIndex, bool enabled); 58 virtual void onReset(); 59 60 virtual OMX_ERRORTYPE internalGetParameter( 61 OMX_INDEXTYPE index, OMX_PTR params); 62 63 virtual OMX_ERRORTYPE internalSetParameter( 64 OMX_INDEXTYPE index, const OMX_PTR params); 65 66 virtual OMX_ERRORTYPE getConfig( 67 OMX_INDEXTYPE index, OMX_PTR params); 68 69 virtual OMX_ERRORTYPE setConfig( 70 OMX_INDEXTYPE index, const OMX_PTR params); 71 72 virtual OMX_ERRORTYPE getExtensionIndex( 73 const char *name, OMX_INDEXTYPE *index); 74 75 virtual bool supportsDescribeColorAspects(); 76 77 virtual int getColorAspectPreference(); 78 79 // This function sets both minimum buffer count and actual buffer count of 80 // input port to be |numInputBuffers|. It will also set both minimum buffer 81 // count and actual buffer count of output port to be |numOutputBuffers|. 82 void initPorts(OMX_U32 numInputBuffers, 83 OMX_U32 inputBufferSize, 84 OMX_U32 numOutputBuffers, 85 const char *mimeType, 86 OMX_U32 minCompressionRatio = 1u); 87 88 // This function sets input port's minimum buffer count to |numMinInputBuffers|, 89 // sets input port's actual buffer count to |numInputBuffers|, sets output port's 90 // minimum buffer count to |numMinOutputBuffers| and sets output port's actual buffer 91 // count to be |numOutputBuffers|. 92 void initPorts(OMX_U32 numMinInputBuffers, 93 OMX_U32 numInputBuffers, 94 OMX_U32 inputBufferSize, 95 OMX_U32 numMinOutputBuffers, 96 OMX_U32 numOutputBuffers, 97 const char *mimeType, 98 OMX_U32 minCompressionRatio = 1u); 99 100 virtual void updatePortDefinitions(bool updateCrop = true, bool updateInputSize = false); 101 102 uint32_t outputBufferWidth(); 103 uint32_t outputBufferHeight(); 104 105 enum CropSettingsMode { 106 kCropUnSet = 0, 107 kCropSet, 108 kCropChanged, 109 }; 110 111 // This function will handle several port change events which include 112 // size changed, crop changed, stride changed and coloraspects changed. 113 // It will trigger OMX_EventPortSettingsChanged event if necessary. 114 void handlePortSettingsChange( 115 bool *portWillReset, uint32_t width, uint32_t height, 116 CropSettingsMode cropSettingsMode = kCropUnSet, bool fakeStride = false); 117 118 void copyYV12FrameToOutputBuffer( 119 uint8_t *dst, const uint8_t *srcY, const uint8_t *srcU, const uint8_t *srcV, 120 size_t srcYStride, size_t srcUStride, size_t srcVStride); 121 122 enum { 123 kInputPortIndex = 0, 124 kOutputPortIndex = 1, 125 kMaxPortIndex = 1, 126 }; 127 128 bool mIsAdaptive; 129 uint32_t mAdaptiveMaxWidth, mAdaptiveMaxHeight; 130 uint32_t mWidth, mHeight; 131 uint32_t mCropLeft, mCropTop, mCropWidth, mCropHeight; 132 133 enum { 134 NONE, 135 AWAITING_DISABLED, 136 AWAITING_ENABLED 137 } mOutputPortSettingsChange; 138 139 bool mUpdateColorAspects; 140 141 Mutex mColorAspectsLock; 142 // color aspects passed from the framework. 143 ColorAspects mDefaultColorAspects; 144 // color aspects parsed from the bitstream. 145 ColorAspects mBitstreamColorAspects; 146 // final color aspects after combining the above two aspects. 147 ColorAspects mFinalColorAspects; 148 149 bool colorAspectsDiffer(const ColorAspects &a, const ColorAspects &b); 150 151 // This functions takes two color aspects and updates the mFinalColorAspects 152 // based on |preferredAspects|. 153 void updateFinalColorAspects( 154 const ColorAspects &otherAspects, const ColorAspects &preferredAspects); 155 156 // This function will update the mFinalColorAspects based on codec preference. 157 status_t handleColorAspectsChange(); 158 159 // Helper function to dump the ColorAspects. 160 void dumpColorAspects(const ColorAspects &colorAspects); 161 162 private: 163 uint32_t mMinInputBufferSize; 164 uint32_t mMinCompressionRatio; 165 166 const char *mComponentRole; 167 OMX_VIDEO_CODINGTYPE mCodingType; 168 const CodecProfileLevel *mProfileLevels; 169 size_t mNumProfileLevels; 170 171 DISALLOW_EVIL_CONSTRUCTORS(SoftVideoDecoderOMXComponent); 172 }; 173 174 } // namespace android 175 176 #endif // SOFT_VIDEO_DECODER_OMX_COMPONENT_H_ 177
