1 /* 2 * Copyright (C) 2009 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 /*------------------------------------------------------------------------------ 18 19 Table of contents 20 21 1. Include headers 22 2. Module defines 23 3. Data types 24 4. Function prototypes 25 26 ------------------------------------------------------------------------------*/ 27 28 #ifndef H264SWDEC_VUI_H 29 #define H264SWDEC_VUI_H 30 31 /*------------------------------------------------------------------------------ 32 1. Include headers 33 ------------------------------------------------------------------------------*/ 34 35 #include "basetype.h" 36 #include "h264bsd_stream.h" 37 38 /*------------------------------------------------------------------------------ 39 2. Module defines 40 ------------------------------------------------------------------------------*/ 41 42 #define MAX_CPB_CNT 32 43 44 /*------------------------------------------------------------------------------ 45 3. Data types 46 ------------------------------------------------------------------------------*/ 47 48 /* enumerated sample aspect ratios, ASPECT_RATIO_M_N means M:N */ 49 enum 50 { 51 ASPECT_RATIO_UNSPECIFIED = 0, 52 ASPECT_RATIO_1_1, 53 ASPECT_RATIO_12_11, 54 ASPECT_RATIO_10_11, 55 ASPECT_RATIO_16_11, 56 ASPECT_RATIO_40_33, 57 ASPECT_RATIO_24_11, 58 ASPECT_RATIO_20_11, 59 ASPECT_RATIO_32_11, 60 ASPECT_RATIO_80_33, 61 ASPECT_RATIO_18_11, 62 ASPECT_RATIO_15_11, 63 ASPECT_RATIO_64_33, 64 ASPECT_RATIO_160_99, 65 ASPECT_RATIO_EXTENDED_SAR = 255 66 }; 67 68 /* structure to store Hypothetical Reference Decoder (HRD) parameters */ 69 typedef struct 70 { 71 u32 cpbCnt; 72 u32 bitRateScale; 73 u32 cpbSizeScale; 74 u32 bitRateValue[MAX_CPB_CNT]; 75 u32 cpbSizeValue[MAX_CPB_CNT]; 76 u32 cbrFlag[MAX_CPB_CNT]; 77 u32 initialCpbRemovalDelayLength; 78 u32 cpbRemovalDelayLength; 79 u32 dpbOutputDelayLength; 80 u32 timeOffsetLength; 81 } hrdParameters_t; 82 83 /* storage for VUI parameters */ 84 typedef struct 85 { 86 u32 aspectRatioPresentFlag; 87 u32 aspectRatioIdc; 88 u32 sarWidth; 89 u32 sarHeight; 90 u32 overscanInfoPresentFlag; 91 u32 overscanAppropriateFlag; 92 u32 videoSignalTypePresentFlag; 93 u32 videoFormat; 94 u32 videoFullRangeFlag; 95 u32 colourDescriptionPresentFlag; 96 u32 colourPrimaries; 97 u32 transferCharacteristics; 98 u32 matrixCoefficients; 99 u32 chromaLocInfoPresentFlag; 100 u32 chromaSampleLocTypeTopField; 101 u32 chromaSampleLocTypeBottomField; 102 u32 timingInfoPresentFlag; 103 u32 numUnitsInTick; 104 u32 timeScale; 105 u32 fixedFrameRateFlag; 106 u32 nalHrdParametersPresentFlag; 107 hrdParameters_t nalHrdParameters; 108 u32 vclHrdParametersPresentFlag; 109 hrdParameters_t vclHrdParameters; 110 u32 lowDelayHrdFlag; 111 u32 picStructPresentFlag; 112 u32 bitstreamRestrictionFlag; 113 u32 motionVectorsOverPicBoundariesFlag; 114 u32 maxBytesPerPicDenom; 115 u32 maxBitsPerMbDenom; 116 u32 log2MaxMvLengthHorizontal; 117 u32 log2MaxMvLengthVertical; 118 u32 numReorderFrames; 119 u32 maxDecFrameBuffering; 120 } vuiParameters_t; 121 122 /*------------------------------------------------------------------------------ 123 4. Function prototypes 124 ------------------------------------------------------------------------------*/ 125 126 u32 h264bsdDecodeVuiParameters(strmData_t *pStrmData, 127 vuiParameters_t *pVuiParameters); 128 129 #endif /* #ifdef H264SWDEC_VUI_H */ 130 131
