10c1bc742181ded4930842b46e9507372f0b1b963James Dong/* 20c1bc742181ded4930842b46e9507372f0b1b963James Dong * Copyright (C) 2009 The Android Open Source Project 30c1bc742181ded4930842b46e9507372f0b1b963James Dong * 40c1bc742181ded4930842b46e9507372f0b1b963James Dong * Licensed under the Apache License, Version 2.0 (the "License"); 50c1bc742181ded4930842b46e9507372f0b1b963James Dong * you may not use this file except in compliance with the License. 60c1bc742181ded4930842b46e9507372f0b1b963James Dong * You may obtain a copy of the License at 70c1bc742181ded4930842b46e9507372f0b1b963James Dong * 80c1bc742181ded4930842b46e9507372f0b1b963James Dong * http://www.apache.org/licenses/LICENSE-2.0 90c1bc742181ded4930842b46e9507372f0b1b963James Dong * 100c1bc742181ded4930842b46e9507372f0b1b963James Dong * Unless required by applicable law or agreed to in writing, software 110c1bc742181ded4930842b46e9507372f0b1b963James Dong * distributed under the License is distributed on an "AS IS" BASIS, 120c1bc742181ded4930842b46e9507372f0b1b963James Dong * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 130c1bc742181ded4930842b46e9507372f0b1b963James Dong * See the License for the specific language governing permissions and 140c1bc742181ded4930842b46e9507372f0b1b963James Dong * limitations under the License. 150c1bc742181ded4930842b46e9507372f0b1b963James Dong */ 160c1bc742181ded4930842b46e9507372f0b1b963James Dong 170c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 180c1bc742181ded4930842b46e9507372f0b1b963James Dong 190c1bc742181ded4930842b46e9507372f0b1b963James Dong Table of contents 200c1bc742181ded4930842b46e9507372f0b1b963James Dong 210c1bc742181ded4930842b46e9507372f0b1b963James Dong 1. Include headers 220c1bc742181ded4930842b46e9507372f0b1b963James Dong 2. External compiler flags 230c1bc742181ded4930842b46e9507372f0b1b963James Dong 3. Module defines 240c1bc742181ded4930842b46e9507372f0b1b963James Dong 4. Local function prototypes 250c1bc742181ded4930842b46e9507372f0b1b963James Dong 5. Functions 260c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdDecodeVuiParameters 270c1bc742181ded4930842b46e9507372f0b1b963James Dong DecodeHrdParameters 280c1bc742181ded4930842b46e9507372f0b1b963James Dong 290c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 300c1bc742181ded4930842b46e9507372f0b1b963James Dong 310c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 320c1bc742181ded4930842b46e9507372f0b1b963James Dong 1. Include headers 330c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 340c1bc742181ded4930842b46e9507372f0b1b963James Dong 350c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_vui.h" 360c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "basetype.h" 370c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_vlc.h" 380c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_stream.h" 390c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_util.h" 400c1bc742181ded4930842b46e9507372f0b1b963James Dong 410c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 420c1bc742181ded4930842b46e9507372f0b1b963James Dong 2. External compiler flags 430c1bc742181ded4930842b46e9507372f0b1b963James Dong-------------------------------------------------------------------------------- 440c1bc742181ded4930842b46e9507372f0b1b963James Dong 450c1bc742181ded4930842b46e9507372f0b1b963James Dong-------------------------------------------------------------------------------- 460c1bc742181ded4930842b46e9507372f0b1b963James Dong 3. Module defines 470c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 480c1bc742181ded4930842b46e9507372f0b1b963James Dong 490c1bc742181ded4930842b46e9507372f0b1b963James Dong#define MAX_DPB_SIZE 16 500c1bc742181ded4930842b46e9507372f0b1b963James Dong#define MAX_BR 240000 /* for level 5.1 */ 510c1bc742181ded4930842b46e9507372f0b1b963James Dong#define MAX_CPB 240000 /* for level 5.1 */ 520c1bc742181ded4930842b46e9507372f0b1b963James Dong 530c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 540c1bc742181ded4930842b46e9507372f0b1b963James Dong 4. Local function prototypes 550c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 560c1bc742181ded4930842b46e9507372f0b1b963James Dong 570c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 DecodeHrdParameters( 580c1bc742181ded4930842b46e9507372f0b1b963James Dong strmData_t *pStrmData, 590c1bc742181ded4930842b46e9507372f0b1b963James Dong hrdParameters_t *pHrdParameters); 600c1bc742181ded4930842b46e9507372f0b1b963James Dong 610c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 620c1bc742181ded4930842b46e9507372f0b1b963James Dong 630c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdDecodeVuiParameters 640c1bc742181ded4930842b46e9507372f0b1b963James Dong 650c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 660c1bc742181ded4930842b46e9507372f0b1b963James Dong Decode VUI parameters from the stream. See standard for details. 670c1bc742181ded4930842b46e9507372f0b1b963James Dong 680c1bc742181ded4930842b46e9507372f0b1b963James Dong Inputs: 690c1bc742181ded4930842b46e9507372f0b1b963James Dong pStrmData pointer to stream data structure 700c1bc742181ded4930842b46e9507372f0b1b963James Dong 710c1bc742181ded4930842b46e9507372f0b1b963James Dong Outputs: 720c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters decoded information is stored here 730c1bc742181ded4930842b46e9507372f0b1b963James Dong 740c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 750c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 760c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK invalid stream data or end of stream 770c1bc742181ded4930842b46e9507372f0b1b963James Dong 780c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 790c1bc742181ded4930842b46e9507372f0b1b963James Dong 800c1bc742181ded4930842b46e9507372f0b1b963James Dongu32 h264bsdDecodeVuiParameters(strmData_t *pStrmData, 810c1bc742181ded4930842b46e9507372f0b1b963James Dong vuiParameters_t *pVuiParameters) 820c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 830c1bc742181ded4930842b46e9507372f0b1b963James Dong 840c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 850c1bc742181ded4930842b46e9507372f0b1b963James Dong 860c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 tmp; 870c1bc742181ded4930842b46e9507372f0b1b963James Dong 880c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 890c1bc742181ded4930842b46e9507372f0b1b963James Dong 900c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(pStrmData); 910c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(pVuiParameters); 920c1bc742181ded4930842b46e9507372f0b1b963James Dong 930c1bc742181ded4930842b46e9507372f0b1b963James Dong H264SwDecMemset(pVuiParameters, 0, sizeof(vuiParameters_t)); 940c1bc742181ded4930842b46e9507372f0b1b963James Dong 950c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 960c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 970c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 980c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->aspectRatioPresentFlag = (tmp == 1) ? 990c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_TRUE : HANTRO_FALSE; 1000c1bc742181ded4930842b46e9507372f0b1b963James Dong 1010c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->aspectRatioPresentFlag) 1020c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1030c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 8); 1040c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1050c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1060c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->aspectRatioIdc = tmp; 1070c1bc742181ded4930842b46e9507372f0b1b963James Dong 1080c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->aspectRatioIdc == ASPECT_RATIO_EXTENDED_SAR) 1090c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1100c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 16); 1110c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1120c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1130c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->sarWidth = tmp; 1140c1bc742181ded4930842b46e9507372f0b1b963James Dong 1150c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 16); 1160c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1170c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1180c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->sarHeight = tmp; 1190c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1200c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1210c1bc742181ded4930842b46e9507372f0b1b963James Dong 1220c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 1230c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1240c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1250c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->overscanInfoPresentFlag = (tmp == 1) ? 1260c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_TRUE : HANTRO_FALSE; 1270c1bc742181ded4930842b46e9507372f0b1b963James Dong 1280c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->overscanInfoPresentFlag) 1290c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1300c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 1310c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1320c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1330c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->overscanAppropriateFlag = (tmp == 1) ? 1340c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_TRUE : HANTRO_FALSE; 1350c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1360c1bc742181ded4930842b46e9507372f0b1b963James Dong 1370c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 1380c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1390c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1400c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->videoSignalTypePresentFlag = (tmp == 1) ? 1410c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_TRUE : HANTRO_FALSE; 1420c1bc742181ded4930842b46e9507372f0b1b963James Dong 1430c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->videoSignalTypePresentFlag) 1440c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1450c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 3); 1460c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1470c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1480c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->videoFormat = tmp; 1490c1bc742181ded4930842b46e9507372f0b1b963James Dong 1500c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 1510c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1520c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1530c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->videoFullRangeFlag = (tmp == 1) ? 1540c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_TRUE : HANTRO_FALSE; 1550c1bc742181ded4930842b46e9507372f0b1b963James Dong 1560c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 1570c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1580c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1590c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->colourDescriptionPresentFlag = 1600c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 1610c1bc742181ded4930842b46e9507372f0b1b963James Dong 1620c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->colourDescriptionPresentFlag) 1630c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1640c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 8); 1650c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1660c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1670c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->colourPrimaries = tmp; 1680c1bc742181ded4930842b46e9507372f0b1b963James Dong 1690c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 8); 1700c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1710c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1720c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->transferCharacteristics = tmp; 1730c1bc742181ded4930842b46e9507372f0b1b963James Dong 1740c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 8); 1750c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1760c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1770c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->matrixCoefficients = tmp; 1780c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1790c1bc742181ded4930842b46e9507372f0b1b963James Dong else 1800c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1810c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->colourPrimaries = 2; 1820c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->transferCharacteristics = 2; 1830c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->matrixCoefficients = 2; 1840c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1850c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1860c1bc742181ded4930842b46e9507372f0b1b963James Dong else 1870c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1880c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->videoFormat = 5; 1890c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->colourPrimaries = 2; 1900c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->transferCharacteristics = 2; 1910c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->matrixCoefficients = 2; 1920c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1930c1bc742181ded4930842b46e9507372f0b1b963James Dong 1940c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 1950c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 1960c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 1970c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->chromaLocInfoPresentFlag = 1980c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 1990c1bc742181ded4930842b46e9507372f0b1b963James Dong 2000c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->chromaLocInfoPresentFlag) 2010c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2020c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 2030c1bc742181ded4930842b46e9507372f0b1b963James Dong &pVuiParameters->chromaSampleLocTypeTopField); 2040c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 2050c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 2060c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->chromaSampleLocTypeTopField > 5) 2070c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2080c1bc742181ded4930842b46e9507372f0b1b963James Dong 2090c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 2100c1bc742181ded4930842b46e9507372f0b1b963James Dong &pVuiParameters->chromaSampleLocTypeBottomField); 2110c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 2120c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 2130c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->chromaSampleLocTypeBottomField > 5) 2140c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2150c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2160c1bc742181ded4930842b46e9507372f0b1b963James Dong 2170c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 2180c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 2190c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2200c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->timingInfoPresentFlag = 2210c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 2220c1bc742181ded4930842b46e9507372f0b1b963James Dong 2230c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->timingInfoPresentFlag) 2240c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2250c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdShowBits32(pStrmData); 2260c1bc742181ded4930842b46e9507372f0b1b963James Dong if (h264bsdFlushBits(pStrmData, 32) == END_OF_STREAM) 2270c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2280c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == 0) 2290c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2300c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->numUnitsInTick = tmp; 2310c1bc742181ded4930842b46e9507372f0b1b963James Dong 2320c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdShowBits32(pStrmData); 2330c1bc742181ded4930842b46e9507372f0b1b963James Dong if (h264bsdFlushBits(pStrmData, 32) == END_OF_STREAM) 2340c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2350c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == 0) 2360c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2370c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->timeScale = tmp; 2380c1bc742181ded4930842b46e9507372f0b1b963James Dong 2390c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 2400c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 2410c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2420c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->fixedFrameRateFlag = 2430c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 2440c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2450c1bc742181ded4930842b46e9507372f0b1b963James Dong 2460c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 2470c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 2480c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2490c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->nalHrdParametersPresentFlag = 2500c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 2510c1bc742181ded4930842b46e9507372f0b1b963James Dong 2520c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->nalHrdParametersPresentFlag) 2530c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2540c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = DecodeHrdParameters(pStrmData, &pVuiParameters->nalHrdParameters); 2550c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 2560c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 2570c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2580c1bc742181ded4930842b46e9507372f0b1b963James Dong else 2590c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2600c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->nalHrdParameters.cpbCnt = 1; 2610c1bc742181ded4930842b46e9507372f0b1b963James Dong /* MaxBR and MaxCPB should be the values correspondig to the levelIdc 2620c1bc742181ded4930842b46e9507372f0b1b963James Dong * in the SPS containing these VUI parameters. However, these values 2630c1bc742181ded4930842b46e9507372f0b1b963James Dong * are not used anywhere and maximum for any level will be used here */ 2640c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->nalHrdParameters.bitRateValue[0] = 1200 * MAX_BR + 1; 2650c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->nalHrdParameters.cpbSizeValue[0] = 1200 * MAX_CPB + 1; 2660c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->nalHrdParameters.initialCpbRemovalDelayLength = 24; 2670c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->nalHrdParameters.cpbRemovalDelayLength = 24; 2680c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->nalHrdParameters.dpbOutputDelayLength = 24; 2690c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->nalHrdParameters.timeOffsetLength = 24; 2700c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2710c1bc742181ded4930842b46e9507372f0b1b963James Dong 2720c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 2730c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 2740c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2750c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParametersPresentFlag = 2760c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 2770c1bc742181ded4930842b46e9507372f0b1b963James Dong 2780c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->vclHrdParametersPresentFlag) 2790c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2800c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = DecodeHrdParameters(pStrmData, &pVuiParameters->vclHrdParameters); 2810c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 2820c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 2830c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2840c1bc742181ded4930842b46e9507372f0b1b963James Dong else 2850c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2860c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParameters.cpbCnt = 1; 2870c1bc742181ded4930842b46e9507372f0b1b963James Dong /* MaxBR and MaxCPB should be the values correspondig to the levelIdc 2880c1bc742181ded4930842b46e9507372f0b1b963James Dong * in the SPS containing these VUI parameters. However, these values 2890c1bc742181ded4930842b46e9507372f0b1b963James Dong * are not used anywhere and maximum for any level will be used here */ 2900c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParameters.bitRateValue[0] = 1000 * MAX_BR + 1; 2910c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParameters.cpbSizeValue[0] = 1000 * MAX_CPB + 1; 2920c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParameters.initialCpbRemovalDelayLength = 24; 2930c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParameters.cpbRemovalDelayLength = 24; 2940c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParameters.dpbOutputDelayLength = 24; 2950c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParameters.timeOffsetLength = 24; 2960c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2970c1bc742181ded4930842b46e9507372f0b1b963James Dong 2980c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->nalHrdParametersPresentFlag || 2990c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->vclHrdParametersPresentFlag) 3000c1bc742181ded4930842b46e9507372f0b1b963James Dong { 3010c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 3020c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 3030c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3040c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->lowDelayHrdFlag = 3050c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 3060c1bc742181ded4930842b46e9507372f0b1b963James Dong } 3070c1bc742181ded4930842b46e9507372f0b1b963James Dong 3080c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 3090c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 3100c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3110c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->picStructPresentFlag = 3120c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 3130c1bc742181ded4930842b46e9507372f0b1b963James Dong 3140c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 3150c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 3160c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3170c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->bitstreamRestrictionFlag = 3180c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 3190c1bc742181ded4930842b46e9507372f0b1b963James Dong 3200c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->bitstreamRestrictionFlag) 3210c1bc742181ded4930842b46e9507372f0b1b963James Dong { 3220c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 3230c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 3240c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3250c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->motionVectorsOverPicBoundariesFlag = 3260c1bc742181ded4930842b46e9507372f0b1b963James Dong (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 3270c1bc742181ded4930842b46e9507372f0b1b963James Dong 3280c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 3290c1bc742181ded4930842b46e9507372f0b1b963James Dong &pVuiParameters->maxBytesPerPicDenom); 3300c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 3310c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 3320c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->maxBytesPerPicDenom > 16) 3330c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3340c1bc742181ded4930842b46e9507372f0b1b963James Dong 3350c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 3360c1bc742181ded4930842b46e9507372f0b1b963James Dong &pVuiParameters->maxBitsPerMbDenom); 3370c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 3380c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 3390c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->maxBitsPerMbDenom > 16) 3400c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3410c1bc742181ded4930842b46e9507372f0b1b963James Dong 3420c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 3430c1bc742181ded4930842b46e9507372f0b1b963James Dong &pVuiParameters->log2MaxMvLengthHorizontal); 3440c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 3450c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 3460c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->log2MaxMvLengthHorizontal > 16) 3470c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3480c1bc742181ded4930842b46e9507372f0b1b963James Dong 3490c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 3500c1bc742181ded4930842b46e9507372f0b1b963James Dong &pVuiParameters->log2MaxMvLengthVertical); 3510c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 3520c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 3530c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pVuiParameters->log2MaxMvLengthVertical > 16) 3540c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3550c1bc742181ded4930842b46e9507372f0b1b963James Dong 3560c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 3570c1bc742181ded4930842b46e9507372f0b1b963James Dong &pVuiParameters->numReorderFrames); 3580c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 3590c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 3600c1bc742181ded4930842b46e9507372f0b1b963James Dong 3610c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 3620c1bc742181ded4930842b46e9507372f0b1b963James Dong &pVuiParameters->maxDecFrameBuffering); 3630c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 3640c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 3650c1bc742181ded4930842b46e9507372f0b1b963James Dong } 3660c1bc742181ded4930842b46e9507372f0b1b963James Dong else 3670c1bc742181ded4930842b46e9507372f0b1b963James Dong { 3680c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->motionVectorsOverPicBoundariesFlag = HANTRO_TRUE; 3690c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->maxBytesPerPicDenom = 2; 3700c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->maxBitsPerMbDenom = 1; 3710c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->log2MaxMvLengthHorizontal = 16; 3720c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->log2MaxMvLengthVertical = 16; 3730c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->numReorderFrames = MAX_DPB_SIZE; 3740c1bc742181ded4930842b46e9507372f0b1b963James Dong pVuiParameters->maxDecFrameBuffering = MAX_DPB_SIZE; 3750c1bc742181ded4930842b46e9507372f0b1b963James Dong } 3760c1bc742181ded4930842b46e9507372f0b1b963James Dong 3770c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 3780c1bc742181ded4930842b46e9507372f0b1b963James Dong 3790c1bc742181ded4930842b46e9507372f0b1b963James Dong} 3800c1bc742181ded4930842b46e9507372f0b1b963James Dong 3810c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 3820c1bc742181ded4930842b46e9507372f0b1b963James Dong 3830c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: DecodeHrdParameters 3840c1bc742181ded4930842b46e9507372f0b1b963James Dong 3850c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 3860c1bc742181ded4930842b46e9507372f0b1b963James Dong Decode HRD parameters from the stream. See standard for details. 3870c1bc742181ded4930842b46e9507372f0b1b963James Dong 3880c1bc742181ded4930842b46e9507372f0b1b963James Dong Inputs: 3890c1bc742181ded4930842b46e9507372f0b1b963James Dong pStrmData pointer to stream data structure 3900c1bc742181ded4930842b46e9507372f0b1b963James Dong 3910c1bc742181ded4930842b46e9507372f0b1b963James Dong Outputs: 3920c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters decoded information is stored here 3930c1bc742181ded4930842b46e9507372f0b1b963James Dong 3940c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 3950c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 3960c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK invalid stream data 3970c1bc742181ded4930842b46e9507372f0b1b963James Dong 3980c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 3990c1bc742181ded4930842b46e9507372f0b1b963James Dong 4000c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 DecodeHrdParameters( 4010c1bc742181ded4930842b46e9507372f0b1b963James Dong strmData_t *pStrmData, 4020c1bc742181ded4930842b46e9507372f0b1b963James Dong hrdParameters_t *pHrdParameters) 4030c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 4040c1bc742181ded4930842b46e9507372f0b1b963James Dong 4050c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 4060c1bc742181ded4930842b46e9507372f0b1b963James Dong 4070c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 tmp, i; 4080c1bc742181ded4930842b46e9507372f0b1b963James Dong 4090c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 4100c1bc742181ded4930842b46e9507372f0b1b963James Dong 4110c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(pStrmData); 4120c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(pHrdParameters); 4130c1bc742181ded4930842b46e9507372f0b1b963James Dong 4140c1bc742181ded4930842b46e9507372f0b1b963James Dong 4150c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, &pHrdParameters->cpbCnt); 4160c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 4170c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 4180c1bc742181ded4930842b46e9507372f0b1b963James Dong /* cpbCount = cpb_cnt_minus1 + 1 */ 4190c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->cpbCnt++; 4200c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pHrdParameters->cpbCnt > MAX_CPB_CNT) 4210c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4220c1bc742181ded4930842b46e9507372f0b1b963James Dong 4230c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 4); 4240c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 4250c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4260c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->bitRateScale = tmp; 4270c1bc742181ded4930842b46e9507372f0b1b963James Dong 4280c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 4); 4290c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 4300c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4310c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->cpbSizeScale = tmp; 4320c1bc742181ded4930842b46e9507372f0b1b963James Dong 4330c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < pHrdParameters->cpbCnt; i++) 4340c1bc742181ded4930842b46e9507372f0b1b963James Dong { 4350c1bc742181ded4930842b46e9507372f0b1b963James Dong /* bit_rate_value_minus1 in the range [0, 2^32 - 2] */ 4360c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 4370c1bc742181ded4930842b46e9507372f0b1b963James Dong &pHrdParameters->bitRateValue[i]); 4380c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 4390c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 4400c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pHrdParameters->bitRateValue[i] > 4294967294U) 4410c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4420c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->bitRateValue[i]++; 4430c1bc742181ded4930842b46e9507372f0b1b963James Dong /* this may result in overflow, but this value is not used for 4440c1bc742181ded4930842b46e9507372f0b1b963James Dong * anything */ 4450c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->bitRateValue[i] *= 4460c1bc742181ded4930842b46e9507372f0b1b963James Dong 1 << (6 + pHrdParameters->bitRateScale); 4470c1bc742181ded4930842b46e9507372f0b1b963James Dong 4480c1bc742181ded4930842b46e9507372f0b1b963James Dong /* cpb_size_value_minus1 in the range [0, 2^32 - 2] */ 4490c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdDecodeExpGolombUnsigned(pStrmData, 4500c1bc742181ded4930842b46e9507372f0b1b963James Dong &pHrdParameters->cpbSizeValue[i]); 4510c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp != HANTRO_OK) 4520c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 4530c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pHrdParameters->cpbSizeValue[i] > 4294967294U) 4540c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4550c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->cpbSizeValue[i]++; 4560c1bc742181ded4930842b46e9507372f0b1b963James Dong /* this may result in overflow, but this value is not used for 4570c1bc742181ded4930842b46e9507372f0b1b963James Dong * anything */ 4580c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->cpbSizeValue[i] *= 4590c1bc742181ded4930842b46e9507372f0b1b963James Dong 1 << (4 + pHrdParameters->cpbSizeScale); 4600c1bc742181ded4930842b46e9507372f0b1b963James Dong 4610c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 1); 4620c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 4630c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4640c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->cbrFlag[i] = (tmp == 1) ? HANTRO_TRUE : HANTRO_FALSE; 4650c1bc742181ded4930842b46e9507372f0b1b963James Dong } 4660c1bc742181ded4930842b46e9507372f0b1b963James Dong 4670c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 5); 4680c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 4690c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4700c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->initialCpbRemovalDelayLength = tmp + 1; 4710c1bc742181ded4930842b46e9507372f0b1b963James Dong 4720c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 5); 4730c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 4740c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4750c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->cpbRemovalDelayLength = tmp + 1; 4760c1bc742181ded4930842b46e9507372f0b1b963James Dong 4770c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 5); 4780c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 4790c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4800c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->dpbOutputDelayLength = tmp + 1; 4810c1bc742181ded4930842b46e9507372f0b1b963James Dong 4820c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = h264bsdGetBits(pStrmData, 5); 4830c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == END_OF_STREAM) 4840c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4850c1bc742181ded4930842b46e9507372f0b1b963James Dong pHrdParameters->timeOffsetLength = tmp; 4860c1bc742181ded4930842b46e9507372f0b1b963James Dong 4870c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 4880c1bc742181ded4930842b46e9507372f0b1b963James Dong 4890c1bc742181ded4930842b46e9507372f0b1b963James Dong} 4900c1bc742181ded4930842b46e9507372f0b1b963James Dong 491