h264bsd_dpb.c revision 0c1bc742181ded4930842b46e9507372f0b1b963
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 ComparePictures 270c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdReorderRefPicList 280c1bc742181ded4930842b46e9507372f0b1b963James Dong Mmcop1 290c1bc742181ded4930842b46e9507372f0b1b963James Dong Mmcop2 300c1bc742181ded4930842b46e9507372f0b1b963James Dong Mmcop3 310c1bc742181ded4930842b46e9507372f0b1b963James Dong Mmcop4 320c1bc742181ded4930842b46e9507372f0b1b963James Dong Mmcop5 330c1bc742181ded4930842b46e9507372f0b1b963James Dong Mmcop6 340c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdMarkDecRefPic 350c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdGetRefPicData 360c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdAllocateDpbImage 370c1bc742181ded4930842b46e9507372f0b1b963James Dong SlidingWindowRefPicMarking 380c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdInitDpb 390c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdResetDpb 400c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdInitRefPicList 410c1bc742181ded4930842b46e9507372f0b1b963James Dong FindDpbPic 420c1bc742181ded4930842b46e9507372f0b1b963James Dong SetPicNums 430c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdCheckGapsInFrameNum 440c1bc742181ded4930842b46e9507372f0b1b963James Dong FindSmallestPicOrderCnt 450c1bc742181ded4930842b46e9507372f0b1b963James Dong OutputPicture 460c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdDpbOutputPicture 470c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdFlushDpb 480c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdFreeDpb 490c1bc742181ded4930842b46e9507372f0b1b963James Dong 500c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 510c1bc742181ded4930842b46e9507372f0b1b963James Dong 520c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 530c1bc742181ded4930842b46e9507372f0b1b963James Dong 1. Include headers 540c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 550c1bc742181ded4930842b46e9507372f0b1b963James Dong 560c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_cfg.h" 570c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_dpb.h" 580c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_slice_header.h" 590c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_image.h" 600c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "h264bsd_util.h" 610c1bc742181ded4930842b46e9507372f0b1b963James Dong#include "basetype.h" 620c1bc742181ded4930842b46e9507372f0b1b963James Dong 630c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 640c1bc742181ded4930842b46e9507372f0b1b963James Dong 2. External compiler flags 650c1bc742181ded4930842b46e9507372f0b1b963James Dong-------------------------------------------------------------------------------- 660c1bc742181ded4930842b46e9507372f0b1b963James Dong 670c1bc742181ded4930842b46e9507372f0b1b963James Dong-------------------------------------------------------------------------------- 680c1bc742181ded4930842b46e9507372f0b1b963James Dong 3. Module defines 690c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 700c1bc742181ded4930842b46e9507372f0b1b963James Dong 710c1bc742181ded4930842b46e9507372f0b1b963James Dong/* macros to determine picture status. Note that IS_SHORT_TERM macro returns 720c1bc742181ded4930842b46e9507372f0b1b963James Dong * true also for non-existing pictures because non-existing pictures are 730c1bc742181ded4930842b46e9507372f0b1b963James Dong * regarded short term pictures according to H.264 standard */ 740c1bc742181ded4930842b46e9507372f0b1b963James Dong#define IS_REFERENCE(a) ((a).status) 750c1bc742181ded4930842b46e9507372f0b1b963James Dong#define IS_EXISTING(a) ((a).status > NON_EXISTING) 760c1bc742181ded4930842b46e9507372f0b1b963James Dong#define IS_SHORT_TERM(a) \ 770c1bc742181ded4930842b46e9507372f0b1b963James Dong ((a).status == NON_EXISTING || (a).status == SHORT_TERM) 780c1bc742181ded4930842b46e9507372f0b1b963James Dong#define IS_LONG_TERM(a) ((a).status == LONG_TERM) 790c1bc742181ded4930842b46e9507372f0b1b963James Dong 800c1bc742181ded4930842b46e9507372f0b1b963James Dong/* macro to set a picture unused for reference */ 810c1bc742181ded4930842b46e9507372f0b1b963James Dong#define SET_UNUSED(a) (a).status = UNUSED; 820c1bc742181ded4930842b46e9507372f0b1b963James Dong 830c1bc742181ded4930842b46e9507372f0b1b963James Dong#define MAX_NUM_REF_IDX_L0_ACTIVE 16 840c1bc742181ded4930842b46e9507372f0b1b963James Dong 850c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 860c1bc742181ded4930842b46e9507372f0b1b963James Dong 4. Local function prototypes 870c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 880c1bc742181ded4930842b46e9507372f0b1b963James Dong 890c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic i32 ComparePictures(const void *ptr1, const void *ptr2); 900c1bc742181ded4930842b46e9507372f0b1b963James Dong 910c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop1(dpbStorage_t *dpb, u32 currPicNum, u32 differenceOfPicNums); 920c1bc742181ded4930842b46e9507372f0b1b963James Dong 930c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop2(dpbStorage_t *dpb, u32 longTermPicNum); 940c1bc742181ded4930842b46e9507372f0b1b963James Dong 950c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop3(dpbStorage_t *dpb, u32 currPicNum, u32 differenceOfPicNums, 960c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 longTermFrameIdx); 970c1bc742181ded4930842b46e9507372f0b1b963James Dong 980c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop4(dpbStorage_t *dpb, u32 maxLongTermFrameIdx); 990c1bc742181ded4930842b46e9507372f0b1b963James Dong 1000c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop5(dpbStorage_t *dpb); 1010c1bc742181ded4930842b46e9507372f0b1b963James Dong 1020c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop6(dpbStorage_t *dpb, u32 frameNum, i32 picOrderCnt, 1030c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 longTermFrameIdx); 1040c1bc742181ded4930842b46e9507372f0b1b963James Dong 1050c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 SlidingWindowRefPicMarking(dpbStorage_t *dpb); 1060c1bc742181ded4930842b46e9507372f0b1b963James Dong 1070c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic i32 FindDpbPic(dpbStorage_t *dpb, i32 picNum, u32 isShortTerm); 1080c1bc742181ded4930842b46e9507372f0b1b963James Dong 1090c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic void SetPicNums(dpbStorage_t *dpb, u32 currFrameNum); 1100c1bc742181ded4930842b46e9507372f0b1b963James Dong 1110c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic dpbPicture_t* FindSmallestPicOrderCnt(dpbStorage_t *dpb); 1120c1bc742181ded4930842b46e9507372f0b1b963James Dong 1130c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 OutputPicture(dpbStorage_t *dpb); 1140c1bc742181ded4930842b46e9507372f0b1b963James Dong 1150c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic void ShellSort(dpbPicture_t *pPic, u32 num); 1160c1bc742181ded4930842b46e9507372f0b1b963James Dong 1170c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 1180c1bc742181ded4930842b46e9507372f0b1b963James Dong 1190c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: ComparePictures 1200c1bc742181ded4930842b46e9507372f0b1b963James Dong 1210c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 1220c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to compare dpb pictures, used by the ShellSort() function. 1230c1bc742181ded4930842b46e9507372f0b1b963James Dong Order of the pictures after sorting shall be as follows: 1240c1bc742181ded4930842b46e9507372f0b1b963James Dong 1) short term reference pictures starting with the largest 1250c1bc742181ded4930842b46e9507372f0b1b963James Dong picNum 1260c1bc742181ded4930842b46e9507372f0b1b963James Dong 2) long term reference pictures starting with the smallest 1270c1bc742181ded4930842b46e9507372f0b1b963James Dong longTermPicNum 1280c1bc742181ded4930842b46e9507372f0b1b963James Dong 3) pictures unused for reference but needed for display 1290c1bc742181ded4930842b46e9507372f0b1b963James Dong 4) other pictures 1300c1bc742181ded4930842b46e9507372f0b1b963James Dong 1310c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 1320c1bc742181ded4930842b46e9507372f0b1b963James Dong -1 pic 1 is greater than pic 2 1330c1bc742181ded4930842b46e9507372f0b1b963James Dong 0 equal from comparison point of view 1340c1bc742181ded4930842b46e9507372f0b1b963James Dong 1 pic 2 is greater then pic 1 1350c1bc742181ded4930842b46e9507372f0b1b963James Dong 1360c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 1370c1bc742181ded4930842b46e9507372f0b1b963James Dong 1380c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic i32 ComparePictures(const void *ptr1, const void *ptr2) 1390c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 1400c1bc742181ded4930842b46e9507372f0b1b963James Dong 1410c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 1420c1bc742181ded4930842b46e9507372f0b1b963James Dong 1430c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbPicture_t *pic1, *pic2; 1440c1bc742181ded4930842b46e9507372f0b1b963James Dong 1450c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 1460c1bc742181ded4930842b46e9507372f0b1b963James Dong 1470c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(ptr1); 1480c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(ptr2); 1490c1bc742181ded4930842b46e9507372f0b1b963James Dong 1500c1bc742181ded4930842b46e9507372f0b1b963James Dong pic1 = (dpbPicture_t*)ptr1; 1510c1bc742181ded4930842b46e9507372f0b1b963James Dong pic2 = (dpbPicture_t*)ptr2; 1520c1bc742181ded4930842b46e9507372f0b1b963James Dong 1530c1bc742181ded4930842b46e9507372f0b1b963James Dong /* both are non-reference pictures, check if needed for display */ 1540c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!IS_REFERENCE(*pic1) && !IS_REFERENCE(*pic2)) 1550c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1560c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pic1->toBeDisplayed && !pic2->toBeDisplayed) 1570c1bc742181ded4930842b46e9507372f0b1b963James Dong return(-1); 1580c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (!pic1->toBeDisplayed && pic2->toBeDisplayed) 1590c1bc742181ded4930842b46e9507372f0b1b963James Dong return(1); 1600c1bc742181ded4930842b46e9507372f0b1b963James Dong else 1610c1bc742181ded4930842b46e9507372f0b1b963James Dong return(0); 1620c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1630c1bc742181ded4930842b46e9507372f0b1b963James Dong /* only pic 1 needed for reference -> greater */ 1640c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (!IS_REFERENCE(*pic2)) 1650c1bc742181ded4930842b46e9507372f0b1b963James Dong return(-1); 1660c1bc742181ded4930842b46e9507372f0b1b963James Dong /* only pic 2 needed for reference -> greater */ 1670c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (!IS_REFERENCE(*pic1)) 1680c1bc742181ded4930842b46e9507372f0b1b963James Dong return(1); 1690c1bc742181ded4930842b46e9507372f0b1b963James Dong /* both are short term reference pictures -> check picNum */ 1700c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (IS_SHORT_TERM(*pic1) && IS_SHORT_TERM(*pic2)) 1710c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1720c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pic1->picNum > pic2->picNum) 1730c1bc742181ded4930842b46e9507372f0b1b963James Dong return(-1); 1740c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (pic1->picNum < pic2->picNum) 1750c1bc742181ded4930842b46e9507372f0b1b963James Dong return(1); 1760c1bc742181ded4930842b46e9507372f0b1b963James Dong else 1770c1bc742181ded4930842b46e9507372f0b1b963James Dong return(0); 1780c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1790c1bc742181ded4930842b46e9507372f0b1b963James Dong /* only pic 1 is short term -> greater */ 1800c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (IS_SHORT_TERM(*pic1)) 1810c1bc742181ded4930842b46e9507372f0b1b963James Dong return(-1); 1820c1bc742181ded4930842b46e9507372f0b1b963James Dong /* only pic 2 is short term -> greater */ 1830c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (IS_SHORT_TERM(*pic2)) 1840c1bc742181ded4930842b46e9507372f0b1b963James Dong return(1); 1850c1bc742181ded4930842b46e9507372f0b1b963James Dong /* both are long term reference pictures -> check picNum (contains the 1860c1bc742181ded4930842b46e9507372f0b1b963James Dong * longTermPicNum */ 1870c1bc742181ded4930842b46e9507372f0b1b963James Dong else 1880c1bc742181ded4930842b46e9507372f0b1b963James Dong { 1890c1bc742181ded4930842b46e9507372f0b1b963James Dong if (pic1->picNum > pic2->picNum) 1900c1bc742181ded4930842b46e9507372f0b1b963James Dong return(1); 1910c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (pic1->picNum < pic2->picNum) 1920c1bc742181ded4930842b46e9507372f0b1b963James Dong return(-1); 1930c1bc742181ded4930842b46e9507372f0b1b963James Dong else 1940c1bc742181ded4930842b46e9507372f0b1b963James Dong return(0); 1950c1bc742181ded4930842b46e9507372f0b1b963James Dong } 1960c1bc742181ded4930842b46e9507372f0b1b963James Dong} 1970c1bc742181ded4930842b46e9507372f0b1b963James Dong 1980c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 1990c1bc742181ded4930842b46e9507372f0b1b963James Dong 2000c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdReorderRefPicList 2010c1bc742181ded4930842b46e9507372f0b1b963James Dong 2020c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 2030c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to perform reference picture list reordering based on 2040c1bc742181ded4930842b46e9507372f0b1b963James Dong reordering commands received in the slice header. See details 2050c1bc742181ded4930842b46e9507372f0b1b963James Dong of the process in the H.264 standard. 2060c1bc742181ded4930842b46e9507372f0b1b963James Dong 2070c1bc742181ded4930842b46e9507372f0b1b963James Dong Inputs: 2080c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb pointer to dpb storage structure 2090c1bc742181ded4930842b46e9507372f0b1b963James Dong order pointer to reordering commands 2100c1bc742181ded4930842b46e9507372f0b1b963James Dong currFrameNum current frame number 2110c1bc742181ded4930842b46e9507372f0b1b963James Dong numRefIdxActive number of active reference indices for current 2120c1bc742181ded4930842b46e9507372f0b1b963James Dong picture 2130c1bc742181ded4930842b46e9507372f0b1b963James Dong 2140c1bc742181ded4930842b46e9507372f0b1b963James Dong Outputs: 2150c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb 'list' field of the structure reordered 2160c1bc742181ded4930842b46e9507372f0b1b963James Dong 2170c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 2180c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 2190c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK if non-existing pictures referred to in the 2200c1bc742181ded4930842b46e9507372f0b1b963James Dong reordering commands 2210c1bc742181ded4930842b46e9507372f0b1b963James Dong 2220c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 2230c1bc742181ded4930842b46e9507372f0b1b963James Dong 2240c1bc742181ded4930842b46e9507372f0b1b963James Dongu32 h264bsdReorderRefPicList( 2250c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbStorage_t *dpb, 2260c1bc742181ded4930842b46e9507372f0b1b963James Dong refPicListReordering_t *order, 2270c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 currFrameNum, 2280c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 numRefIdxActive) 2290c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 2300c1bc742181ded4930842b46e9507372f0b1b963James Dong 2310c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 2320c1bc742181ded4930842b46e9507372f0b1b963James Dong 2330c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i, j, k, picNumPred, refIdx; 2340c1bc742181ded4930842b46e9507372f0b1b963James Dong i32 picNum, picNumNoWrap, index; 2350c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 isShortTerm; 2360c1bc742181ded4930842b46e9507372f0b1b963James Dong 2370c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 2380c1bc742181ded4930842b46e9507372f0b1b963James Dong 2390c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(order); 2400c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(currFrameNum <= dpb->maxFrameNum); 2410c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(numRefIdxActive <= MAX_NUM_REF_IDX_L0_ACTIVE); 2420c1bc742181ded4930842b46e9507372f0b1b963James Dong 2430c1bc742181ded4930842b46e9507372f0b1b963James Dong /* set dpb picture numbers for sorting */ 2440c1bc742181ded4930842b46e9507372f0b1b963James Dong SetPicNums(dpb, currFrameNum); 2450c1bc742181ded4930842b46e9507372f0b1b963James Dong 2460c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!order->refPicListReorderingFlagL0) 2470c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 2480c1bc742181ded4930842b46e9507372f0b1b963James Dong 2490c1bc742181ded4930842b46e9507372f0b1b963James Dong refIdx = 0; 2500c1bc742181ded4930842b46e9507372f0b1b963James Dong picNumPred = currFrameNum; 2510c1bc742181ded4930842b46e9507372f0b1b963James Dong 2520c1bc742181ded4930842b46e9507372f0b1b963James Dong i = 0; 2530c1bc742181ded4930842b46e9507372f0b1b963James Dong while (order->command[i].reorderingOfPicNumsIdc < 3) 2540c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2550c1bc742181ded4930842b46e9507372f0b1b963James Dong /* short term */ 2560c1bc742181ded4930842b46e9507372f0b1b963James Dong if (order->command[i].reorderingOfPicNumsIdc < 2) 2570c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2580c1bc742181ded4930842b46e9507372f0b1b963James Dong if (order->command[i].reorderingOfPicNumsIdc == 0) 2590c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2600c1bc742181ded4930842b46e9507372f0b1b963James Dong picNumNoWrap = 2610c1bc742181ded4930842b46e9507372f0b1b963James Dong (i32)picNumPred - (i32)order->command[i].absDiffPicNum; 2620c1bc742181ded4930842b46e9507372f0b1b963James Dong if (picNumNoWrap < 0) 2630c1bc742181ded4930842b46e9507372f0b1b963James Dong picNumNoWrap += (i32)dpb->maxFrameNum; 2640c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2650c1bc742181ded4930842b46e9507372f0b1b963James Dong else 2660c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2670c1bc742181ded4930842b46e9507372f0b1b963James Dong picNumNoWrap = 2680c1bc742181ded4930842b46e9507372f0b1b963James Dong (i32)(picNumPred + order->command[i].absDiffPicNum); 2690c1bc742181ded4930842b46e9507372f0b1b963James Dong if (picNumNoWrap >= (i32)dpb->maxFrameNum) 2700c1bc742181ded4930842b46e9507372f0b1b963James Dong picNumNoWrap -= (i32)dpb->maxFrameNum; 2710c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2720c1bc742181ded4930842b46e9507372f0b1b963James Dong picNumPred = (u32)picNumNoWrap; 2730c1bc742181ded4930842b46e9507372f0b1b963James Dong picNum = picNumNoWrap; 2740c1bc742181ded4930842b46e9507372f0b1b963James Dong if ((u32)picNumNoWrap > currFrameNum) 2750c1bc742181ded4930842b46e9507372f0b1b963James Dong picNum -= (i32)dpb->maxFrameNum; 2760c1bc742181ded4930842b46e9507372f0b1b963James Dong isShortTerm = HANTRO_TRUE; 2770c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2780c1bc742181ded4930842b46e9507372f0b1b963James Dong /* long term */ 2790c1bc742181ded4930842b46e9507372f0b1b963James Dong else 2800c1bc742181ded4930842b46e9507372f0b1b963James Dong { 2810c1bc742181ded4930842b46e9507372f0b1b963James Dong picNum = (i32)order->command[i].longTermPicNum; 2820c1bc742181ded4930842b46e9507372f0b1b963James Dong isShortTerm = HANTRO_FALSE; 2830c1bc742181ded4930842b46e9507372f0b1b963James Dong 2840c1bc742181ded4930842b46e9507372f0b1b963James Dong } 2850c1bc742181ded4930842b46e9507372f0b1b963James Dong /* find corresponding picture from dpb */ 2860c1bc742181ded4930842b46e9507372f0b1b963James Dong index = FindDpbPic(dpb, picNum, isShortTerm); 2870c1bc742181ded4930842b46e9507372f0b1b963James Dong if (index < 0 || !IS_EXISTING(dpb->buffer[index])) 2880c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 2890c1bc742181ded4930842b46e9507372f0b1b963James Dong 2900c1bc742181ded4930842b46e9507372f0b1b963James Dong /* shift pictures */ 2910c1bc742181ded4930842b46e9507372f0b1b963James Dong for (j = numRefIdxActive; j > refIdx; j--) 2920c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->list[j] = dpb->list[j-1]; 2930c1bc742181ded4930842b46e9507372f0b1b963James Dong /* put picture into the list */ 2940c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->list[refIdx++] = &dpb->buffer[index]; 2950c1bc742181ded4930842b46e9507372f0b1b963James Dong /* remove later references to the same picture */ 2960c1bc742181ded4930842b46e9507372f0b1b963James Dong for (j = k = refIdx; j <= numRefIdxActive; j++) 2970c1bc742181ded4930842b46e9507372f0b1b963James Dong if(dpb->list[j] != &dpb->buffer[index]) 2980c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->list[k++] = dpb->list[j]; 2990c1bc742181ded4930842b46e9507372f0b1b963James Dong 3000c1bc742181ded4930842b46e9507372f0b1b963James Dong i++; 3010c1bc742181ded4930842b46e9507372f0b1b963James Dong } 3020c1bc742181ded4930842b46e9507372f0b1b963James Dong 3030c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 3040c1bc742181ded4930842b46e9507372f0b1b963James Dong 3050c1bc742181ded4930842b46e9507372f0b1b963James Dong} 3060c1bc742181ded4930842b46e9507372f0b1b963James Dong 3070c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 3080c1bc742181ded4930842b46e9507372f0b1b963James Dong 3090c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: Mmcop1 3100c1bc742181ded4930842b46e9507372f0b1b963James Dong 3110c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 3120c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to mark a short-term reference picture unused for 3130c1bc742181ded4930842b46e9507372f0b1b963James Dong reference, memory_management_control_operation equal to 1 3140c1bc742181ded4930842b46e9507372f0b1b963James Dong 3150c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 3160c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 3170c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK failure, picture does not exist in the buffer 3180c1bc742181ded4930842b46e9507372f0b1b963James Dong 3190c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 3200c1bc742181ded4930842b46e9507372f0b1b963James Dong 3210c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop1(dpbStorage_t *dpb, u32 currPicNum, u32 differenceOfPicNums) 3220c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 3230c1bc742181ded4930842b46e9507372f0b1b963James Dong 3240c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 3250c1bc742181ded4930842b46e9507372f0b1b963James Dong 3260c1bc742181ded4930842b46e9507372f0b1b963James Dong i32 index, picNum; 3270c1bc742181ded4930842b46e9507372f0b1b963James Dong 3280c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 3290c1bc742181ded4930842b46e9507372f0b1b963James Dong 3300c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(currPicNum < dpb->maxFrameNum); 3310c1bc742181ded4930842b46e9507372f0b1b963James Dong 3320c1bc742181ded4930842b46e9507372f0b1b963James Dong picNum = (i32)currPicNum - (i32)differenceOfPicNums; 3330c1bc742181ded4930842b46e9507372f0b1b963James Dong 3340c1bc742181ded4930842b46e9507372f0b1b963James Dong index = FindDpbPic(dpb, picNum, HANTRO_TRUE); 3350c1bc742181ded4930842b46e9507372f0b1b963James Dong if (index < 0) 3360c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3370c1bc742181ded4930842b46e9507372f0b1b963James Dong 3380c1bc742181ded4930842b46e9507372f0b1b963James Dong SET_UNUSED(dpb->buffer[index]); 3390c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames--; 3400c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!dpb->buffer[index].toBeDisplayed) 3410c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness--; 3420c1bc742181ded4930842b46e9507372f0b1b963James Dong 3430c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 3440c1bc742181ded4930842b46e9507372f0b1b963James Dong 3450c1bc742181ded4930842b46e9507372f0b1b963James Dong} 3460c1bc742181ded4930842b46e9507372f0b1b963James Dong 3470c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 3480c1bc742181ded4930842b46e9507372f0b1b963James Dong 3490c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: Mmcop2 3500c1bc742181ded4930842b46e9507372f0b1b963James Dong 3510c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 3520c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to mark a long-term reference picture unused for 3530c1bc742181ded4930842b46e9507372f0b1b963James Dong reference, memory_management_control_operation equal to 2 3540c1bc742181ded4930842b46e9507372f0b1b963James Dong 3550c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 3560c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 3570c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK failure, picture does not exist in the buffer 3580c1bc742181ded4930842b46e9507372f0b1b963James Dong 3590c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 3600c1bc742181ded4930842b46e9507372f0b1b963James Dong 3610c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop2(dpbStorage_t *dpb, u32 longTermPicNum) 3620c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 3630c1bc742181ded4930842b46e9507372f0b1b963James Dong 3640c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 3650c1bc742181ded4930842b46e9507372f0b1b963James Dong 3660c1bc742181ded4930842b46e9507372f0b1b963James Dong i32 index; 3670c1bc742181ded4930842b46e9507372f0b1b963James Dong 3680c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 3690c1bc742181ded4930842b46e9507372f0b1b963James Dong 3700c1bc742181ded4930842b46e9507372f0b1b963James Dong index = FindDpbPic(dpb, (i32)longTermPicNum, HANTRO_FALSE); 3710c1bc742181ded4930842b46e9507372f0b1b963James Dong if (index < 0) 3720c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 3730c1bc742181ded4930842b46e9507372f0b1b963James Dong 3740c1bc742181ded4930842b46e9507372f0b1b963James Dong SET_UNUSED(dpb->buffer[index]); 3750c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames--; 3760c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!dpb->buffer[index].toBeDisplayed) 3770c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness--; 3780c1bc742181ded4930842b46e9507372f0b1b963James Dong 3790c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 3800c1bc742181ded4930842b46e9507372f0b1b963James Dong 3810c1bc742181ded4930842b46e9507372f0b1b963James Dong} 3820c1bc742181ded4930842b46e9507372f0b1b963James Dong 3830c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 3840c1bc742181ded4930842b46e9507372f0b1b963James Dong 3850c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: Mmcop3 3860c1bc742181ded4930842b46e9507372f0b1b963James Dong 3870c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 3880c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to assing a longTermFrameIdx to a short-term reference 3890c1bc742181ded4930842b46e9507372f0b1b963James Dong frame (i.e. to change it to a long-term reference picture), 3900c1bc742181ded4930842b46e9507372f0b1b963James Dong memory_management_control_operation equal to 3 3910c1bc742181ded4930842b46e9507372f0b1b963James Dong 3920c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 3930c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 3940c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK failure, short-term picture does not exist in the 3950c1bc742181ded4930842b46e9507372f0b1b963James Dong buffer or is a non-existing picture, or invalid 3960c1bc742181ded4930842b46e9507372f0b1b963James Dong longTermFrameIdx given 3970c1bc742181ded4930842b46e9507372f0b1b963James Dong 3980c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 3990c1bc742181ded4930842b46e9507372f0b1b963James Dong 4000c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop3(dpbStorage_t *dpb, u32 currPicNum, u32 differenceOfPicNums, 4010c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 longTermFrameIdx) 4020c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 4030c1bc742181ded4930842b46e9507372f0b1b963James Dong 4040c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 4050c1bc742181ded4930842b46e9507372f0b1b963James Dong 4060c1bc742181ded4930842b46e9507372f0b1b963James Dong i32 index, picNum; 4070c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 4080c1bc742181ded4930842b46e9507372f0b1b963James Dong 4090c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 4100c1bc742181ded4930842b46e9507372f0b1b963James Dong 4110c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb); 4120c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(currPicNum < dpb->maxFrameNum); 4130c1bc742181ded4930842b46e9507372f0b1b963James Dong 4140c1bc742181ded4930842b46e9507372f0b1b963James Dong if ( (dpb->maxLongTermFrameIdx == NO_LONG_TERM_FRAME_INDICES) || 4150c1bc742181ded4930842b46e9507372f0b1b963James Dong (longTermFrameIdx > dpb->maxLongTermFrameIdx) ) 4160c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4170c1bc742181ded4930842b46e9507372f0b1b963James Dong 4180c1bc742181ded4930842b46e9507372f0b1b963James Dong /* check if a long term picture with the same longTermFrameIdx already 4190c1bc742181ded4930842b46e9507372f0b1b963James Dong * exist and remove it if necessary */ 4200c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->maxRefFrames; i++) 4210c1bc742181ded4930842b46e9507372f0b1b963James Dong if (IS_LONG_TERM(dpb->buffer[i]) && 4220c1bc742181ded4930842b46e9507372f0b1b963James Dong (u32)dpb->buffer[i].picNum == longTermFrameIdx) 4230c1bc742181ded4930842b46e9507372f0b1b963James Dong { 4240c1bc742181ded4930842b46e9507372f0b1b963James Dong SET_UNUSED(dpb->buffer[i]); 4250c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames--; 4260c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!dpb->buffer[i].toBeDisplayed) 4270c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness--; 4280c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 4290c1bc742181ded4930842b46e9507372f0b1b963James Dong } 4300c1bc742181ded4930842b46e9507372f0b1b963James Dong 4310c1bc742181ded4930842b46e9507372f0b1b963James Dong picNum = (i32)currPicNum - (i32)differenceOfPicNums; 4320c1bc742181ded4930842b46e9507372f0b1b963James Dong 4330c1bc742181ded4930842b46e9507372f0b1b963James Dong index = FindDpbPic(dpb, picNum, HANTRO_TRUE); 4340c1bc742181ded4930842b46e9507372f0b1b963James Dong if (index < 0) 4350c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4360c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!IS_EXISTING(dpb->buffer[index])) 4370c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 4380c1bc742181ded4930842b46e9507372f0b1b963James Dong 4390c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[index].status = LONG_TERM; 4400c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[index].picNum = (i32)longTermFrameIdx; 4410c1bc742181ded4930842b46e9507372f0b1b963James Dong 4420c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 4430c1bc742181ded4930842b46e9507372f0b1b963James Dong 4440c1bc742181ded4930842b46e9507372f0b1b963James Dong} 4450c1bc742181ded4930842b46e9507372f0b1b963James Dong 4460c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 4470c1bc742181ded4930842b46e9507372f0b1b963James Dong 4480c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: Mmcop4 4490c1bc742181ded4930842b46e9507372f0b1b963James Dong 4500c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 4510c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to set maxLongTermFrameIdx, 4520c1bc742181ded4930842b46e9507372f0b1b963James Dong memory_management_control_operation equal to 4 4530c1bc742181ded4930842b46e9507372f0b1b963James Dong 4540c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 4550c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 4560c1bc742181ded4930842b46e9507372f0b1b963James Dong 4570c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 4580c1bc742181ded4930842b46e9507372f0b1b963James Dong 4590c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop4(dpbStorage_t *dpb, u32 maxLongTermFrameIdx) 4600c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 4610c1bc742181ded4930842b46e9507372f0b1b963James Dong 4620c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 4630c1bc742181ded4930842b46e9507372f0b1b963James Dong 4640c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 4650c1bc742181ded4930842b46e9507372f0b1b963James Dong 4660c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 4670c1bc742181ded4930842b46e9507372f0b1b963James Dong 4680c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->maxLongTermFrameIdx = maxLongTermFrameIdx; 4690c1bc742181ded4930842b46e9507372f0b1b963James Dong 4700c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->maxRefFrames; i++) 4710c1bc742181ded4930842b46e9507372f0b1b963James Dong if (IS_LONG_TERM(dpb->buffer[i]) && 4720c1bc742181ded4930842b46e9507372f0b1b963James Dong ( ((u32)dpb->buffer[i].picNum > maxLongTermFrameIdx) || 4730c1bc742181ded4930842b46e9507372f0b1b963James Dong (dpb->maxLongTermFrameIdx == NO_LONG_TERM_FRAME_INDICES) ) ) 4740c1bc742181ded4930842b46e9507372f0b1b963James Dong { 4750c1bc742181ded4930842b46e9507372f0b1b963James Dong SET_UNUSED(dpb->buffer[i]); 4760c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames--; 4770c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!dpb->buffer[i].toBeDisplayed) 4780c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness--; 4790c1bc742181ded4930842b46e9507372f0b1b963James Dong } 4800c1bc742181ded4930842b46e9507372f0b1b963James Dong 4810c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 4820c1bc742181ded4930842b46e9507372f0b1b963James Dong 4830c1bc742181ded4930842b46e9507372f0b1b963James Dong} 4840c1bc742181ded4930842b46e9507372f0b1b963James Dong 4850c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 4860c1bc742181ded4930842b46e9507372f0b1b963James Dong 4870c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: Mmcop5 4880c1bc742181ded4930842b46e9507372f0b1b963James Dong 4890c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 4900c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to mark all reference pictures unused for reference and 4910c1bc742181ded4930842b46e9507372f0b1b963James Dong set maxLongTermFrameIdx to NO_LONG_TERM_FRAME_INDICES, 4920c1bc742181ded4930842b46e9507372f0b1b963James Dong memory_management_control_operation equal to 5. Function flushes 4930c1bc742181ded4930842b46e9507372f0b1b963James Dong the buffer and places all pictures that are needed for display into 4940c1bc742181ded4930842b46e9507372f0b1b963James Dong the output buffer. 4950c1bc742181ded4930842b46e9507372f0b1b963James Dong 4960c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 4970c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 4980c1bc742181ded4930842b46e9507372f0b1b963James Dong 4990c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 5000c1bc742181ded4930842b46e9507372f0b1b963James Dong 5010c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop5(dpbStorage_t *dpb) 5020c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 5030c1bc742181ded4930842b46e9507372f0b1b963James Dong 5040c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 5050c1bc742181ded4930842b46e9507372f0b1b963James Dong 5060c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 5070c1bc742181ded4930842b46e9507372f0b1b963James Dong 5080c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 5090c1bc742181ded4930842b46e9507372f0b1b963James Dong 5100c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < 16; i++) 5110c1bc742181ded4930842b46e9507372f0b1b963James Dong { 5120c1bc742181ded4930842b46e9507372f0b1b963James Dong if (IS_REFERENCE(dpb->buffer[i])) 5130c1bc742181ded4930842b46e9507372f0b1b963James Dong { 5140c1bc742181ded4930842b46e9507372f0b1b963James Dong SET_UNUSED(dpb->buffer[i]); 5150c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!dpb->buffer[i].toBeDisplayed) 5160c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness--; 5170c1bc742181ded4930842b46e9507372f0b1b963James Dong } 5180c1bc742181ded4930842b46e9507372f0b1b963James Dong } 5190c1bc742181ded4930842b46e9507372f0b1b963James Dong 5200c1bc742181ded4930842b46e9507372f0b1b963James Dong /* output all pictures */ 5210c1bc742181ded4930842b46e9507372f0b1b963James Dong while (OutputPicture(dpb) == HANTRO_OK) 5220c1bc742181ded4930842b46e9507372f0b1b963James Dong ; 5230c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames = 0; 5240c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->maxLongTermFrameIdx = NO_LONG_TERM_FRAME_INDICES; 5250c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->prevRefFrameNum = 0; 5260c1bc742181ded4930842b46e9507372f0b1b963James Dong 5270c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 5280c1bc742181ded4930842b46e9507372f0b1b963James Dong 5290c1bc742181ded4930842b46e9507372f0b1b963James Dong} 5300c1bc742181ded4930842b46e9507372f0b1b963James Dong 5310c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 5320c1bc742181ded4930842b46e9507372f0b1b963James Dong 5330c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: Mmcop6 5340c1bc742181ded4930842b46e9507372f0b1b963James Dong 5350c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 5360c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to assign longTermFrameIdx to the current picture, 5370c1bc742181ded4930842b46e9507372f0b1b963James Dong memory_management_control_operation equal to 6 5380c1bc742181ded4930842b46e9507372f0b1b963James Dong 5390c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 5400c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 5410c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK invalid longTermFrameIdx or no room for current 5420c1bc742181ded4930842b46e9507372f0b1b963James Dong picture in the buffer 5430c1bc742181ded4930842b46e9507372f0b1b963James Dong 5440c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 5450c1bc742181ded4930842b46e9507372f0b1b963James Dong 5460c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 Mmcop6(dpbStorage_t *dpb, u32 frameNum, i32 picOrderCnt, 5470c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 longTermFrameIdx) 5480c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 5490c1bc742181ded4930842b46e9507372f0b1b963James Dong 5500c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 5510c1bc742181ded4930842b46e9507372f0b1b963James Dong 5520c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 5530c1bc742181ded4930842b46e9507372f0b1b963James Dong 5540c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 5550c1bc742181ded4930842b46e9507372f0b1b963James Dong 5560c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(frameNum < dpb->maxFrameNum); 5570c1bc742181ded4930842b46e9507372f0b1b963James Dong 5580c1bc742181ded4930842b46e9507372f0b1b963James Dong if ( (dpb->maxLongTermFrameIdx == NO_LONG_TERM_FRAME_INDICES) || 5590c1bc742181ded4930842b46e9507372f0b1b963James Dong (longTermFrameIdx > dpb->maxLongTermFrameIdx) ) 5600c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 5610c1bc742181ded4930842b46e9507372f0b1b963James Dong 5620c1bc742181ded4930842b46e9507372f0b1b963James Dong /* check if a long term picture with the same longTermFrameIdx already 5630c1bc742181ded4930842b46e9507372f0b1b963James Dong * exist and remove it if necessary */ 5640c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->maxRefFrames; i++) 5650c1bc742181ded4930842b46e9507372f0b1b963James Dong if (IS_LONG_TERM(dpb->buffer[i]) && 5660c1bc742181ded4930842b46e9507372f0b1b963James Dong (u32)dpb->buffer[i].picNum == longTermFrameIdx) 5670c1bc742181ded4930842b46e9507372f0b1b963James Dong { 5680c1bc742181ded4930842b46e9507372f0b1b963James Dong SET_UNUSED(dpb->buffer[i]); 5690c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames--; 5700c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!dpb->buffer[i].toBeDisplayed) 5710c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness--; 5720c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 5730c1bc742181ded4930842b46e9507372f0b1b963James Dong } 5740c1bc742181ded4930842b46e9507372f0b1b963James Dong 5750c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->numRefFrames < dpb->maxRefFrames) 5760c1bc742181ded4930842b46e9507372f0b1b963James Dong { 5770c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->frameNum = frameNum; 5780c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picNum = (i32)longTermFrameIdx; 5790c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picOrderCnt = picOrderCnt; 5800c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->status = LONG_TERM; 5810c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->noReordering) 5820c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->toBeDisplayed = HANTRO_FALSE; 5830c1bc742181ded4930842b46e9507372f0b1b963James Dong else 5840c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->toBeDisplayed = HANTRO_TRUE; 5850c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames++; 5860c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness++; 5870c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 5880c1bc742181ded4930842b46e9507372f0b1b963James Dong } 5890c1bc742181ded4930842b46e9507372f0b1b963James Dong /* if there is no room, return an error */ 5900c1bc742181ded4930842b46e9507372f0b1b963James Dong else 5910c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 5920c1bc742181ded4930842b46e9507372f0b1b963James Dong 5930c1bc742181ded4930842b46e9507372f0b1b963James Dong} 5940c1bc742181ded4930842b46e9507372f0b1b963James Dong 5950c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 5960c1bc742181ded4930842b46e9507372f0b1b963James Dong 5970c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdMarkDecRefPic 5980c1bc742181ded4930842b46e9507372f0b1b963James Dong 5990c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 6000c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to perform reference picture marking process. This 6010c1bc742181ded4930842b46e9507372f0b1b963James Dong function should be called both for reference and non-reference 6020c1bc742181ded4930842b46e9507372f0b1b963James Dong pictures. Non-reference pictures shall have mark pointer set to 6030c1bc742181ded4930842b46e9507372f0b1b963James Dong NULL. 6040c1bc742181ded4930842b46e9507372f0b1b963James Dong 6050c1bc742181ded4930842b46e9507372f0b1b963James Dong Inputs: 6060c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb pointer to the DPB data structure 6070c1bc742181ded4930842b46e9507372f0b1b963James Dong mark pointer to reference picture marking commands 6080c1bc742181ded4930842b46e9507372f0b1b963James Dong image pointer to current picture to be placed in the buffer 6090c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNum frame number of the current picture 6100c1bc742181ded4930842b46e9507372f0b1b963James Dong picOrderCnt picture order count for the current picture 6110c1bc742181ded4930842b46e9507372f0b1b963James Dong isIdr flag to indicate if the current picture is an 6120c1bc742181ded4930842b46e9507372f0b1b963James Dong IDR picture 6130c1bc742181ded4930842b46e9507372f0b1b963James Dong currentPicId identifier for the current picture, from the 6140c1bc742181ded4930842b46e9507372f0b1b963James Dong application, stored along with the picture 6150c1bc742181ded4930842b46e9507372f0b1b963James Dong numErrMbs number of concealed macroblocks in the current 6160c1bc742181ded4930842b46e9507372f0b1b963James Dong picture, stored along with the picture 6170c1bc742181ded4930842b46e9507372f0b1b963James Dong 6180c1bc742181ded4930842b46e9507372f0b1b963James Dong Outputs: 6190c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb 'buffer' modified, possible output frames placed into 6200c1bc742181ded4930842b46e9507372f0b1b963James Dong 'outBuf' 6210c1bc742181ded4930842b46e9507372f0b1b963James Dong 6220c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 6230c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 6240c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK failure 6250c1bc742181ded4930842b46e9507372f0b1b963James Dong 6260c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 6270c1bc742181ded4930842b46e9507372f0b1b963James Dong 6280c1bc742181ded4930842b46e9507372f0b1b963James Dongu32 h264bsdMarkDecRefPic( 6290c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbStorage_t *dpb, 6300c1bc742181ded4930842b46e9507372f0b1b963James Dong decRefPicMarking_t *mark, 6310c1bc742181ded4930842b46e9507372f0b1b963James Dong image_t *image, 6320c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 frameNum, 6330c1bc742181ded4930842b46e9507372f0b1b963James Dong i32 picOrderCnt, 6340c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 isIdr, 6350c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 currentPicId, 6360c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 numErrMbs) 6370c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 6380c1bc742181ded4930842b46e9507372f0b1b963James Dong 6390c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 6400c1bc742181ded4930842b46e9507372f0b1b963James Dong 6410c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i, status; 6420c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 markedAsLongTerm; 6430c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 toBeDisplayed; 6440c1bc742181ded4930842b46e9507372f0b1b963James Dong 6450c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 6460c1bc742181ded4930842b46e9507372f0b1b963James Dong 6470c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb); 6480c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(mark || !isIdr); 6490c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(!isIdr || (frameNum == 0 && picOrderCnt == 0)); 6500c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(frameNum < dpb->maxFrameNum); 6510c1bc742181ded4930842b46e9507372f0b1b963James Dong 6520c1bc742181ded4930842b46e9507372f0b1b963James Dong if (image->data != dpb->currentOut->data) 6530c1bc742181ded4930842b46e9507372f0b1b963James Dong { 6540c1bc742181ded4930842b46e9507372f0b1b963James Dong EPRINT("TRYING TO MARK NON-ALLOCATED IMAGE"); 6550c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 6560c1bc742181ded4930842b46e9507372f0b1b963James Dong } 6570c1bc742181ded4930842b46e9507372f0b1b963James Dong 6580c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->lastContainsMmco5 = HANTRO_FALSE; 6590c1bc742181ded4930842b46e9507372f0b1b963James Dong status = HANTRO_OK; 6600c1bc742181ded4930842b46e9507372f0b1b963James Dong 6610c1bc742181ded4930842b46e9507372f0b1b963James Dong toBeDisplayed = dpb->noReordering ? HANTRO_FALSE : HANTRO_TRUE; 6620c1bc742181ded4930842b46e9507372f0b1b963James Dong 6630c1bc742181ded4930842b46e9507372f0b1b963James Dong /* non-reference picture, stored for display reordering purposes */ 6640c1bc742181ded4930842b46e9507372f0b1b963James Dong if (mark == NULL) 6650c1bc742181ded4930842b46e9507372f0b1b963James Dong { 6660c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->status = UNUSED; 6670c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->frameNum = frameNum; 6680c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picNum = (i32)frameNum; 6690c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picOrderCnt = picOrderCnt; 6700c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->toBeDisplayed = toBeDisplayed; 6710c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!dpb->noReordering) 6720c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness++; 6730c1bc742181ded4930842b46e9507372f0b1b963James Dong } 6740c1bc742181ded4930842b46e9507372f0b1b963James Dong /* IDR picture */ 6750c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (isIdr) 6760c1bc742181ded4930842b46e9507372f0b1b963James Dong { 6770c1bc742181ded4930842b46e9507372f0b1b963James Dong 6780c1bc742181ded4930842b46e9507372f0b1b963James Dong /* h264bsdCheckGapsInFrameNum not called for IDR pictures -> have to 6790c1bc742181ded4930842b46e9507372f0b1b963James Dong * reset numOut and outIndex here */ 6800c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numOut = dpb->outIndex = 0; 6810c1bc742181ded4930842b46e9507372f0b1b963James Dong 6820c1bc742181ded4930842b46e9507372f0b1b963James Dong /* flush the buffer */ 6830c1bc742181ded4930842b46e9507372f0b1b963James Dong Mmcop5(dpb); 6840c1bc742181ded4930842b46e9507372f0b1b963James Dong /* if noOutputOfPriorPicsFlag was set -> the pictures preceding the 6850c1bc742181ded4930842b46e9507372f0b1b963James Dong * IDR picture shall not be output -> set output buffer empty */ 6860c1bc742181ded4930842b46e9507372f0b1b963James Dong if (mark->noOutputOfPriorPicsFlag || dpb->noReordering) 6870c1bc742181ded4930842b46e9507372f0b1b963James Dong { 6880c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numOut = 0; 6890c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outIndex = 0; 6900c1bc742181ded4930842b46e9507372f0b1b963James Dong } 6910c1bc742181ded4930842b46e9507372f0b1b963James Dong 6920c1bc742181ded4930842b46e9507372f0b1b963James Dong if (mark->longTermReferenceFlag) 6930c1bc742181ded4930842b46e9507372f0b1b963James Dong { 6940c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->status = LONG_TERM; 6950c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->maxLongTermFrameIdx = 0; 6960c1bc742181ded4930842b46e9507372f0b1b963James Dong } 6970c1bc742181ded4930842b46e9507372f0b1b963James Dong else 6980c1bc742181ded4930842b46e9507372f0b1b963James Dong { 6990c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->status = SHORT_TERM; 7000c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->maxLongTermFrameIdx = NO_LONG_TERM_FRAME_INDICES; 7010c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7020c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->frameNum = 0; 7030c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picNum = 0; 7040c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picOrderCnt = 0; 7050c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->toBeDisplayed = toBeDisplayed; 7060c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness = 1; 7070c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames = 1; 7080c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7090c1bc742181ded4930842b46e9507372f0b1b963James Dong /* reference picture */ 7100c1bc742181ded4930842b46e9507372f0b1b963James Dong else 7110c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7120c1bc742181ded4930842b46e9507372f0b1b963James Dong markedAsLongTerm = HANTRO_FALSE; 7130c1bc742181ded4930842b46e9507372f0b1b963James Dong if (mark->adaptiveRefPicMarkingModeFlag) 7140c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7150c1bc742181ded4930842b46e9507372f0b1b963James Dong i = 0; 7160c1bc742181ded4930842b46e9507372f0b1b963James Dong while (mark->operation[i].memoryManagementControlOperation) 7170c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7180c1bc742181ded4930842b46e9507372f0b1b963James Dong switch (mark->operation[i].memoryManagementControlOperation) 7190c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7200c1bc742181ded4930842b46e9507372f0b1b963James Dong case 1: 7210c1bc742181ded4930842b46e9507372f0b1b963James Dong status = Mmcop1( 7220c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb, 7230c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNum, 7240c1bc742181ded4930842b46e9507372f0b1b963James Dong mark->operation[i].differenceOfPicNums); 7250c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 7260c1bc742181ded4930842b46e9507372f0b1b963James Dong 7270c1bc742181ded4930842b46e9507372f0b1b963James Dong case 2: 7280c1bc742181ded4930842b46e9507372f0b1b963James Dong status = Mmcop2(dpb, mark->operation[i].longTermPicNum); 7290c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 7300c1bc742181ded4930842b46e9507372f0b1b963James Dong 7310c1bc742181ded4930842b46e9507372f0b1b963James Dong case 3: 7320c1bc742181ded4930842b46e9507372f0b1b963James Dong status = Mmcop3( 7330c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb, 7340c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNum, 7350c1bc742181ded4930842b46e9507372f0b1b963James Dong mark->operation[i].differenceOfPicNums, 7360c1bc742181ded4930842b46e9507372f0b1b963James Dong mark->operation[i].longTermFrameIdx); 7370c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 7380c1bc742181ded4930842b46e9507372f0b1b963James Dong 7390c1bc742181ded4930842b46e9507372f0b1b963James Dong case 4: 7400c1bc742181ded4930842b46e9507372f0b1b963James Dong status = Mmcop4( 7410c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb, 7420c1bc742181ded4930842b46e9507372f0b1b963James Dong mark->operation[i].maxLongTermFrameIdx); 7430c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 7440c1bc742181ded4930842b46e9507372f0b1b963James Dong 7450c1bc742181ded4930842b46e9507372f0b1b963James Dong case 5: 7460c1bc742181ded4930842b46e9507372f0b1b963James Dong status = Mmcop5(dpb); 7470c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->lastContainsMmco5 = HANTRO_TRUE; 7480c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNum = 0; 7490c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 7500c1bc742181ded4930842b46e9507372f0b1b963James Dong 7510c1bc742181ded4930842b46e9507372f0b1b963James Dong case 6: 7520c1bc742181ded4930842b46e9507372f0b1b963James Dong status = Mmcop6( 7530c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb, 7540c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNum, 7550c1bc742181ded4930842b46e9507372f0b1b963James Dong picOrderCnt, 7560c1bc742181ded4930842b46e9507372f0b1b963James Dong mark->operation[i].longTermFrameIdx); 7570c1bc742181ded4930842b46e9507372f0b1b963James Dong if (status == HANTRO_OK) 7580c1bc742181ded4930842b46e9507372f0b1b963James Dong markedAsLongTerm = HANTRO_TRUE; 7590c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 7600c1bc742181ded4930842b46e9507372f0b1b963James Dong 7610c1bc742181ded4930842b46e9507372f0b1b963James Dong default: /* invalid memory management control operation */ 7620c1bc742181ded4930842b46e9507372f0b1b963James Dong status = HANTRO_NOK; 7630c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 7640c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7650c1bc742181ded4930842b46e9507372f0b1b963James Dong if (status != HANTRO_OK) 7660c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7670c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 7680c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7690c1bc742181ded4930842b46e9507372f0b1b963James Dong i++; 7700c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7710c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7720c1bc742181ded4930842b46e9507372f0b1b963James Dong else 7730c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7740c1bc742181ded4930842b46e9507372f0b1b963James Dong status = SlidingWindowRefPicMarking(dpb); 7750c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7760c1bc742181ded4930842b46e9507372f0b1b963James Dong /* if current picture was not marked as long-term reference by 7770c1bc742181ded4930842b46e9507372f0b1b963James Dong * memory management control operation 6 -> mark current as short 7780c1bc742181ded4930842b46e9507372f0b1b963James Dong * term and insert it into dpb (if there is room) */ 7790c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!markedAsLongTerm) 7800c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7810c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->numRefFrames < dpb->maxRefFrames) 7820c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7830c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->frameNum = frameNum; 7840c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picNum = (i32)frameNum; 7850c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picOrderCnt = picOrderCnt; 7860c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->status = SHORT_TERM; 7870c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->toBeDisplayed = toBeDisplayed; 7880c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness++; 7890c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames++; 7900c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7910c1bc742181ded4930842b46e9507372f0b1b963James Dong /* no room */ 7920c1bc742181ded4930842b46e9507372f0b1b963James Dong else 7930c1bc742181ded4930842b46e9507372f0b1b963James Dong { 7940c1bc742181ded4930842b46e9507372f0b1b963James Dong status = HANTRO_NOK; 7950c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7960c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7970c1bc742181ded4930842b46e9507372f0b1b963James Dong } 7980c1bc742181ded4930842b46e9507372f0b1b963James Dong 7990c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->isIdr = isIdr; 8000c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->picId = currentPicId; 8010c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut->numErrMbs = numErrMbs; 8020c1bc742181ded4930842b46e9507372f0b1b963James Dong 8030c1bc742181ded4930842b46e9507372f0b1b963James Dong /* dpb was initialized to not to reorder the pictures -> output current 8040c1bc742181ded4930842b46e9507372f0b1b963James Dong * picture immediately */ 8050c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->noReordering) 8060c1bc742181ded4930842b46e9507372f0b1b963James Dong { 8070c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb->numOut == 0); 8080c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb->outIndex == 0); 8090c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outBuf[dpb->numOut].data = dpb->currentOut->data; 8100c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outBuf[dpb->numOut].isIdr = dpb->currentOut->isIdr; 8110c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outBuf[dpb->numOut].picId = dpb->currentOut->picId; 8120c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outBuf[dpb->numOut].numErrMbs = dpb->currentOut->numErrMbs; 8130c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numOut++; 8140c1bc742181ded4930842b46e9507372f0b1b963James Dong } 8150c1bc742181ded4930842b46e9507372f0b1b963James Dong else 8160c1bc742181ded4930842b46e9507372f0b1b963James Dong { 8170c1bc742181ded4930842b46e9507372f0b1b963James Dong /* output pictures if buffer full */ 8180c1bc742181ded4930842b46e9507372f0b1b963James Dong while (dpb->fullness > dpb->dpbSize) 8190c1bc742181ded4930842b46e9507372f0b1b963James Dong { 8200c1bc742181ded4930842b46e9507372f0b1b963James Dong i = OutputPicture(dpb); 8210c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(i == HANTRO_OK); 8220c1bc742181ded4930842b46e9507372f0b1b963James Dong } 8230c1bc742181ded4930842b46e9507372f0b1b963James Dong } 8240c1bc742181ded4930842b46e9507372f0b1b963James Dong 8250c1bc742181ded4930842b46e9507372f0b1b963James Dong /* sort dpb */ 8260c1bc742181ded4930842b46e9507372f0b1b963James Dong ShellSort(dpb->buffer, dpb->dpbSize+1); 8270c1bc742181ded4930842b46e9507372f0b1b963James Dong 8280c1bc742181ded4930842b46e9507372f0b1b963James Dong return(status); 8290c1bc742181ded4930842b46e9507372f0b1b963James Dong 8300c1bc742181ded4930842b46e9507372f0b1b963James Dong} 8310c1bc742181ded4930842b46e9507372f0b1b963James Dong 8320c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 8330c1bc742181ded4930842b46e9507372f0b1b963James Dong 8340c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdGetRefPicData 8350c1bc742181ded4930842b46e9507372f0b1b963James Dong 8360c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 8370c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to get reference picture data from the reference picture 8380c1bc742181ded4930842b46e9507372f0b1b963James Dong list 8390c1bc742181ded4930842b46e9507372f0b1b963James Dong 8400c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 8410c1bc742181ded4930842b46e9507372f0b1b963James Dong pointer to desired reference picture data 8420c1bc742181ded4930842b46e9507372f0b1b963James Dong NULL if invalid index or non-existing picture referred 8430c1bc742181ded4930842b46e9507372f0b1b963James Dong 8440c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 8450c1bc742181ded4930842b46e9507372f0b1b963James Dong 8460c1bc742181ded4930842b46e9507372f0b1b963James Dongu8* h264bsdGetRefPicData(dpbStorage_t *dpb, u32 index) 8470c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 8480c1bc742181ded4930842b46e9507372f0b1b963James Dong 8490c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 8500c1bc742181ded4930842b46e9507372f0b1b963James Dong 8510c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 8520c1bc742181ded4930842b46e9507372f0b1b963James Dong 8530c1bc742181ded4930842b46e9507372f0b1b963James Dong if(index > 16 || dpb->list[index] == NULL) 8540c1bc742181ded4930842b46e9507372f0b1b963James Dong return(NULL); 8550c1bc742181ded4930842b46e9507372f0b1b963James Dong else if(!IS_EXISTING(*dpb->list[index])) 8560c1bc742181ded4930842b46e9507372f0b1b963James Dong return(NULL); 8570c1bc742181ded4930842b46e9507372f0b1b963James Dong else 8580c1bc742181ded4930842b46e9507372f0b1b963James Dong return(dpb->list[index]->data); 8590c1bc742181ded4930842b46e9507372f0b1b963James Dong 8600c1bc742181ded4930842b46e9507372f0b1b963James Dong} 8610c1bc742181ded4930842b46e9507372f0b1b963James Dong 8620c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 8630c1bc742181ded4930842b46e9507372f0b1b963James Dong 8640c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdAllocateDpbImage 8650c1bc742181ded4930842b46e9507372f0b1b963James Dong 8660c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 8670c1bc742181ded4930842b46e9507372f0b1b963James Dong function to allocate memory for a image. This function does not 8680c1bc742181ded4930842b46e9507372f0b1b963James Dong really allocate any memory but reserves one of the buffer 8690c1bc742181ded4930842b46e9507372f0b1b963James Dong positions for decoding of current picture 8700c1bc742181ded4930842b46e9507372f0b1b963James Dong 8710c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 8720c1bc742181ded4930842b46e9507372f0b1b963James Dong pointer to memory area for the image 8730c1bc742181ded4930842b46e9507372f0b1b963James Dong 8740c1bc742181ded4930842b46e9507372f0b1b963James Dong 8750c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 8760c1bc742181ded4930842b46e9507372f0b1b963James Dong 8770c1bc742181ded4930842b46e9507372f0b1b963James Dongu8* h264bsdAllocateDpbImage(dpbStorage_t *dpb) 8780c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 8790c1bc742181ded4930842b46e9507372f0b1b963James Dong 8800c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 8810c1bc742181ded4930842b46e9507372f0b1b963James Dong 8820c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 8830c1bc742181ded4930842b46e9507372f0b1b963James Dong 8840c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT( !dpb->buffer[dpb->dpbSize].toBeDisplayed && 8850c1bc742181ded4930842b46e9507372f0b1b963James Dong !IS_REFERENCE(dpb->buffer[dpb->dpbSize]) ); 8860c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb->fullness <= dpb->dpbSize); 8870c1bc742181ded4930842b46e9507372f0b1b963James Dong 8880c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->currentOut = dpb->buffer + dpb->dpbSize; 8890c1bc742181ded4930842b46e9507372f0b1b963James Dong 8900c1bc742181ded4930842b46e9507372f0b1b963James Dong return(dpb->currentOut->data); 8910c1bc742181ded4930842b46e9507372f0b1b963James Dong 8920c1bc742181ded4930842b46e9507372f0b1b963James Dong} 8930c1bc742181ded4930842b46e9507372f0b1b963James Dong 8940c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 8950c1bc742181ded4930842b46e9507372f0b1b963James Dong 8960c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: SlidingWindowRefPicMarking 8970c1bc742181ded4930842b46e9507372f0b1b963James Dong 8980c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 8990c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to perform sliding window refence picture marking process. 9000c1bc742181ded4930842b46e9507372f0b1b963James Dong 9010c1bc742181ded4930842b46e9507372f0b1b963James Dong Outputs: 9020c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 9030c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK failure, no short-term reference frame found that 9040c1bc742181ded4930842b46e9507372f0b1b963James Dong could be marked unused 9050c1bc742181ded4930842b46e9507372f0b1b963James Dong 9060c1bc742181ded4930842b46e9507372f0b1b963James Dong 9070c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 9080c1bc742181ded4930842b46e9507372f0b1b963James Dong 9090c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic u32 SlidingWindowRefPicMarking(dpbStorage_t *dpb) 9100c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 9110c1bc742181ded4930842b46e9507372f0b1b963James Dong 9120c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 9130c1bc742181ded4930842b46e9507372f0b1b963James Dong 9140c1bc742181ded4930842b46e9507372f0b1b963James Dong i32 index, picNum; 9150c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 9160c1bc742181ded4930842b46e9507372f0b1b963James Dong 9170c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 9180c1bc742181ded4930842b46e9507372f0b1b963James Dong 9190c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->numRefFrames < dpb->maxRefFrames) 9200c1bc742181ded4930842b46e9507372f0b1b963James Dong { 9210c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 9220c1bc742181ded4930842b46e9507372f0b1b963James Dong } 9230c1bc742181ded4930842b46e9507372f0b1b963James Dong else 9240c1bc742181ded4930842b46e9507372f0b1b963James Dong { 9250c1bc742181ded4930842b46e9507372f0b1b963James Dong index = -1; 9260c1bc742181ded4930842b46e9507372f0b1b963James Dong picNum = 0; 9270c1bc742181ded4930842b46e9507372f0b1b963James Dong /* find the oldest short term picture */ 9280c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->numRefFrames; i++) 9290c1bc742181ded4930842b46e9507372f0b1b963James Dong if (IS_SHORT_TERM(dpb->buffer[i])) 9300c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->buffer[i].picNum < picNum || index == -1) 9310c1bc742181ded4930842b46e9507372f0b1b963James Dong { 9320c1bc742181ded4930842b46e9507372f0b1b963James Dong index = (i32)i; 9330c1bc742181ded4930842b46e9507372f0b1b963James Dong picNum = dpb->buffer[i].picNum; 9340c1bc742181ded4930842b46e9507372f0b1b963James Dong } 9350c1bc742181ded4930842b46e9507372f0b1b963James Dong if (index >= 0) 9360c1bc742181ded4930842b46e9507372f0b1b963James Dong { 9370c1bc742181ded4930842b46e9507372f0b1b963James Dong SET_UNUSED(dpb->buffer[index]); 9380c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames--; 9390c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!dpb->buffer[index].toBeDisplayed) 9400c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness--; 9410c1bc742181ded4930842b46e9507372f0b1b963James Dong 9420c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 9430c1bc742181ded4930842b46e9507372f0b1b963James Dong } 9440c1bc742181ded4930842b46e9507372f0b1b963James Dong } 9450c1bc742181ded4930842b46e9507372f0b1b963James Dong 9460c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 9470c1bc742181ded4930842b46e9507372f0b1b963James Dong 9480c1bc742181ded4930842b46e9507372f0b1b963James Dong} 9490c1bc742181ded4930842b46e9507372f0b1b963James Dong 9500c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 9510c1bc742181ded4930842b46e9507372f0b1b963James Dong 9520c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdInitDpb 9530c1bc742181ded4930842b46e9507372f0b1b963James Dong 9540c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 9550c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to initialize DPB. Reserves memories for the buffer, 9560c1bc742181ded4930842b46e9507372f0b1b963James Dong reference picture list and output buffer. dpbSize indicates 9570c1bc742181ded4930842b46e9507372f0b1b963James Dong the maximum DPB size indicated by the levelIdc in the stream. 9580c1bc742181ded4930842b46e9507372f0b1b963James Dong If noReordering flag is FALSE the DPB stores dpbSize pictures 9590c1bc742181ded4930842b46e9507372f0b1b963James Dong for display reordering purposes. On the other hand, if the 9600c1bc742181ded4930842b46e9507372f0b1b963James Dong flag is TRUE the DPB only stores maxRefFrames reference pictures 9610c1bc742181ded4930842b46e9507372f0b1b963James Dong and outputs all the pictures immediately. 9620c1bc742181ded4930842b46e9507372f0b1b963James Dong 9630c1bc742181ded4930842b46e9507372f0b1b963James Dong Inputs: 9640c1bc742181ded4930842b46e9507372f0b1b963James Dong picSizeInMbs picture size in macroblocks 9650c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbSize size of the DPB (number of pictures) 9660c1bc742181ded4930842b46e9507372f0b1b963James Dong maxRefFrames max number of reference frames 9670c1bc742181ded4930842b46e9507372f0b1b963James Dong maxFrameNum max frame number 9680c1bc742181ded4930842b46e9507372f0b1b963James Dong noReordering flag to indicate that DPB does not have to 9690c1bc742181ded4930842b46e9507372f0b1b963James Dong prepare to reorder frames for display 9700c1bc742181ded4930842b46e9507372f0b1b963James Dong 9710c1bc742181ded4930842b46e9507372f0b1b963James Dong Outputs: 9720c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb pointer to dpb data storage 9730c1bc742181ded4930842b46e9507372f0b1b963James Dong 9740c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 9750c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 9760c1bc742181ded4930842b46e9507372f0b1b963James Dong MEMORY_ALLOCATION_ERROR if memory allocation failed 9770c1bc742181ded4930842b46e9507372f0b1b963James Dong 9780c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 9790c1bc742181ded4930842b46e9507372f0b1b963James Dong 9800c1bc742181ded4930842b46e9507372f0b1b963James Dongu32 h264bsdInitDpb( 9810c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbStorage_t *dpb, 9820c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 picSizeInMbs, 9830c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 dpbSize, 9840c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 maxRefFrames, 9850c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 maxFrameNum, 9860c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 noReordering) 9870c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 9880c1bc742181ded4930842b46e9507372f0b1b963James Dong 9890c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 9900c1bc742181ded4930842b46e9507372f0b1b963James Dong 9910c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 9920c1bc742181ded4930842b46e9507372f0b1b963James Dong 9930c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 9940c1bc742181ded4930842b46e9507372f0b1b963James Dong 9950c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(picSizeInMbs); 9960c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(maxRefFrames <= MAX_NUM_REF_PICS); 9970c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(maxRefFrames <= dpbSize); 9980c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(maxFrameNum); 9990c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpbSize); 10000c1bc742181ded4930842b46e9507372f0b1b963James Dong 10010c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->maxLongTermFrameIdx = NO_LONG_TERM_FRAME_INDICES; 10020c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->maxRefFrames = MAX(maxRefFrames, 1); 10030c1bc742181ded4930842b46e9507372f0b1b963James Dong if (noReordering) 10040c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->dpbSize = dpb->maxRefFrames; 10050c1bc742181ded4930842b46e9507372f0b1b963James Dong else 10060c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->dpbSize = dpbSize; 10070c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->maxFrameNum = maxFrameNum; 10080c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->noReordering = noReordering; 10090c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness = 0; 10100c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames = 0; 10110c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->prevRefFrameNum = 0; 10120c1bc742181ded4930842b46e9507372f0b1b963James Dong 10130c1bc742181ded4930842b46e9507372f0b1b963James Dong ALLOCATE(dpb->buffer, MAX_NUM_REF_IDX_L0_ACTIVE + 1, dpbPicture_t); 10140c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->buffer == NULL) 10150c1bc742181ded4930842b46e9507372f0b1b963James Dong return(MEMORY_ALLOCATION_ERROR); 10160c1bc742181ded4930842b46e9507372f0b1b963James Dong H264SwDecMemset(dpb->buffer, 0, 10170c1bc742181ded4930842b46e9507372f0b1b963James Dong (MAX_NUM_REF_IDX_L0_ACTIVE + 1)*sizeof(dpbPicture_t)); 10180c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->dpbSize + 1; i++) 10190c1bc742181ded4930842b46e9507372f0b1b963James Dong { 10200c1bc742181ded4930842b46e9507372f0b1b963James Dong /* Allocate needed amount of memory, which is: 10210c1bc742181ded4930842b46e9507372f0b1b963James Dong * image size + 32 + 15, where 32 cames from the fact that in ARM OpenMax 10220c1bc742181ded4930842b46e9507372f0b1b963James Dong * DL implementation Functions may read beyond the end of an array, 10230c1bc742181ded4930842b46e9507372f0b1b963James Dong * by a maximum of 32 bytes. And +15 cames for the need to align memory 10240c1bc742181ded4930842b46e9507372f0b1b963James Dong * to 16-byte boundary */ 10250c1bc742181ded4930842b46e9507372f0b1b963James Dong ALLOCATE(dpb->buffer[i].pAllocatedData, (picSizeInMbs*384 + 32+15), u8); 10260c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->buffer[i].pAllocatedData == NULL) 10270c1bc742181ded4930842b46e9507372f0b1b963James Dong return(MEMORY_ALLOCATION_ERROR); 10280c1bc742181ded4930842b46e9507372f0b1b963James Dong 10290c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[i].data = ALIGN(dpb->buffer[i].pAllocatedData, 16); 10300c1bc742181ded4930842b46e9507372f0b1b963James Dong } 10310c1bc742181ded4930842b46e9507372f0b1b963James Dong 10320c1bc742181ded4930842b46e9507372f0b1b963James Dong ALLOCATE(dpb->list, MAX_NUM_REF_IDX_L0_ACTIVE + 1, dpbPicture_t*); 10330c1bc742181ded4930842b46e9507372f0b1b963James Dong ALLOCATE(dpb->outBuf, dpb->dpbSize+1, dpbOutPicture_t); 10340c1bc742181ded4930842b46e9507372f0b1b963James Dong 10350c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->list == NULL || dpb->outBuf == NULL) 10360c1bc742181ded4930842b46e9507372f0b1b963James Dong return(MEMORY_ALLOCATION_ERROR); 10370c1bc742181ded4930842b46e9507372f0b1b963James Dong 10380c1bc742181ded4930842b46e9507372f0b1b963James Dong H264SwDecMemset(dpb->list, 0, 10390c1bc742181ded4930842b46e9507372f0b1b963James Dong ((MAX_NUM_REF_IDX_L0_ACTIVE + 1) * sizeof(dpbPicture_t*)) ); 10400c1bc742181ded4930842b46e9507372f0b1b963James Dong 10410c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numOut = dpb->outIndex = 0; 10420c1bc742181ded4930842b46e9507372f0b1b963James Dong 10430c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 10440c1bc742181ded4930842b46e9507372f0b1b963James Dong 10450c1bc742181ded4930842b46e9507372f0b1b963James Dong} 10460c1bc742181ded4930842b46e9507372f0b1b963James Dong 10470c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 10480c1bc742181ded4930842b46e9507372f0b1b963James Dong 10490c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdResetDpb 10500c1bc742181ded4930842b46e9507372f0b1b963James Dong 10510c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 10520c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to reset DPB. This function should be called when an IDR 10530c1bc742181ded4930842b46e9507372f0b1b963James Dong slice (other than the first) activates new sequence parameter set. 10540c1bc742181ded4930842b46e9507372f0b1b963James Dong Function calls h264bsdFreeDpb to free old allocated memories and 10550c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdInitDpb to re-initialize the DPB. Same inputs, outputs and 10560c1bc742181ded4930842b46e9507372f0b1b963James Dong returns as for h264bsdInitDpb. 10570c1bc742181ded4930842b46e9507372f0b1b963James Dong 10580c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 10590c1bc742181ded4930842b46e9507372f0b1b963James Dong 10600c1bc742181ded4930842b46e9507372f0b1b963James Dongu32 h264bsdResetDpb( 10610c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbStorage_t *dpb, 10620c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 picSizeInMbs, 10630c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 dpbSize, 10640c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 maxRefFrames, 10650c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 maxFrameNum, 10660c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 noReordering) 10670c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 10680c1bc742181ded4930842b46e9507372f0b1b963James Dong 10690c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 10700c1bc742181ded4930842b46e9507372f0b1b963James Dong 10710c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(picSizeInMbs); 10720c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(maxRefFrames <= MAX_NUM_REF_PICS); 10730c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(maxRefFrames <= dpbSize); 10740c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(maxFrameNum); 10750c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpbSize); 10760c1bc742181ded4930842b46e9507372f0b1b963James Dong 10770c1bc742181ded4930842b46e9507372f0b1b963James Dong h264bsdFreeDpb(dpb); 10780c1bc742181ded4930842b46e9507372f0b1b963James Dong 10790c1bc742181ded4930842b46e9507372f0b1b963James Dong return h264bsdInitDpb(dpb, picSizeInMbs, dpbSize, maxRefFrames, 10800c1bc742181ded4930842b46e9507372f0b1b963James Dong maxFrameNum, noReordering); 10810c1bc742181ded4930842b46e9507372f0b1b963James Dong} 10820c1bc742181ded4930842b46e9507372f0b1b963James Dong 10830c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 10840c1bc742181ded4930842b46e9507372f0b1b963James Dong 10850c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdInitRefPicList 10860c1bc742181ded4930842b46e9507372f0b1b963James Dong 10870c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 10880c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to initialize reference picture list. Function just 10890c1bc742181ded4930842b46e9507372f0b1b963James Dong sets pointers in the list according to pictures in the buffer. 10900c1bc742181ded4930842b46e9507372f0b1b963James Dong The buffer is assumed to contain pictures sorted according to 10910c1bc742181ded4930842b46e9507372f0b1b963James Dong what the H.264 standard says about initial reference picture list. 10920c1bc742181ded4930842b46e9507372f0b1b963James Dong 10930c1bc742181ded4930842b46e9507372f0b1b963James Dong Inputs: 10940c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb pointer to dpb data structure 10950c1bc742181ded4930842b46e9507372f0b1b963James Dong 10960c1bc742181ded4930842b46e9507372f0b1b963James Dong Outputs: 10970c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb 'list' field initialized 10980c1bc742181ded4930842b46e9507372f0b1b963James Dong 10990c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 11000c1bc742181ded4930842b46e9507372f0b1b963James Dong none 11010c1bc742181ded4930842b46e9507372f0b1b963James Dong 11020c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 11030c1bc742181ded4930842b46e9507372f0b1b963James Dong 11040c1bc742181ded4930842b46e9507372f0b1b963James Dongvoid h264bsdInitRefPicList(dpbStorage_t *dpb) 11050c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 11060c1bc742181ded4930842b46e9507372f0b1b963James Dong 11070c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 11080c1bc742181ded4930842b46e9507372f0b1b963James Dong 11090c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 11100c1bc742181ded4930842b46e9507372f0b1b963James Dong 11110c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 11120c1bc742181ded4930842b46e9507372f0b1b963James Dong 11130c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->numRefFrames; i++) 11140c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->list[i] = &dpb->buffer[i]; 11150c1bc742181ded4930842b46e9507372f0b1b963James Dong 11160c1bc742181ded4930842b46e9507372f0b1b963James Dong} 11170c1bc742181ded4930842b46e9507372f0b1b963James Dong 11180c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 11190c1bc742181ded4930842b46e9507372f0b1b963James Dong 11200c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: FindDpbPic 11210c1bc742181ded4930842b46e9507372f0b1b963James Dong 11220c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 11230c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to find a reference picture from the buffer. The picture 11240c1bc742181ded4930842b46e9507372f0b1b963James Dong to be found is identified by picNum and isShortTerm flag. 11250c1bc742181ded4930842b46e9507372f0b1b963James Dong 11260c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 11270c1bc742181ded4930842b46e9507372f0b1b963James Dong index of the picture in the buffer 11280c1bc742181ded4930842b46e9507372f0b1b963James Dong -1 if the specified picture was not found in the buffer 11290c1bc742181ded4930842b46e9507372f0b1b963James Dong 11300c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 11310c1bc742181ded4930842b46e9507372f0b1b963James Dong 11320c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic i32 FindDpbPic(dpbStorage_t *dpb, i32 picNum, u32 isShortTerm) 11330c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 11340c1bc742181ded4930842b46e9507372f0b1b963James Dong 11350c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 11360c1bc742181ded4930842b46e9507372f0b1b963James Dong 11370c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i = 0; 11380c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 found = HANTRO_FALSE; 11390c1bc742181ded4930842b46e9507372f0b1b963James Dong 11400c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 11410c1bc742181ded4930842b46e9507372f0b1b963James Dong 11420c1bc742181ded4930842b46e9507372f0b1b963James Dong if (isShortTerm) 11430c1bc742181ded4930842b46e9507372f0b1b963James Dong { 11440c1bc742181ded4930842b46e9507372f0b1b963James Dong while (i < dpb->maxRefFrames && !found) 11450c1bc742181ded4930842b46e9507372f0b1b963James Dong { 11460c1bc742181ded4930842b46e9507372f0b1b963James Dong if (IS_SHORT_TERM(dpb->buffer[i]) && 11470c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[i].picNum == picNum) 11480c1bc742181ded4930842b46e9507372f0b1b963James Dong found = HANTRO_TRUE; 11490c1bc742181ded4930842b46e9507372f0b1b963James Dong else 11500c1bc742181ded4930842b46e9507372f0b1b963James Dong i++; 11510c1bc742181ded4930842b46e9507372f0b1b963James Dong } 11520c1bc742181ded4930842b46e9507372f0b1b963James Dong } 11530c1bc742181ded4930842b46e9507372f0b1b963James Dong else 11540c1bc742181ded4930842b46e9507372f0b1b963James Dong { 11550c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(picNum >= 0); 11560c1bc742181ded4930842b46e9507372f0b1b963James Dong while (i < dpb->maxRefFrames && !found) 11570c1bc742181ded4930842b46e9507372f0b1b963James Dong { 11580c1bc742181ded4930842b46e9507372f0b1b963James Dong if (IS_LONG_TERM(dpb->buffer[i]) && 11590c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[i].picNum == picNum) 11600c1bc742181ded4930842b46e9507372f0b1b963James Dong found = HANTRO_TRUE; 11610c1bc742181ded4930842b46e9507372f0b1b963James Dong else 11620c1bc742181ded4930842b46e9507372f0b1b963James Dong i++; 11630c1bc742181ded4930842b46e9507372f0b1b963James Dong } 11640c1bc742181ded4930842b46e9507372f0b1b963James Dong } 11650c1bc742181ded4930842b46e9507372f0b1b963James Dong 11660c1bc742181ded4930842b46e9507372f0b1b963James Dong if (found) 11670c1bc742181ded4930842b46e9507372f0b1b963James Dong return((i32)i); 11680c1bc742181ded4930842b46e9507372f0b1b963James Dong else 11690c1bc742181ded4930842b46e9507372f0b1b963James Dong return(-1); 11700c1bc742181ded4930842b46e9507372f0b1b963James Dong 11710c1bc742181ded4930842b46e9507372f0b1b963James Dong} 11720c1bc742181ded4930842b46e9507372f0b1b963James Dong 11730c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 11740c1bc742181ded4930842b46e9507372f0b1b963James Dong 11750c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: SetPicNums 11760c1bc742181ded4930842b46e9507372f0b1b963James Dong 11770c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 11780c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to set picNum values for short-term pictures in the 11790c1bc742181ded4930842b46e9507372f0b1b963James Dong buffer. Numbering of pictures is based on frame numbers and as 11800c1bc742181ded4930842b46e9507372f0b1b963James Dong frame numbers are modulo maxFrameNum -> frame numbers of older 11810c1bc742181ded4930842b46e9507372f0b1b963James Dong pictures in the buffer may be bigger than the currFrameNum. 11820c1bc742181ded4930842b46e9507372f0b1b963James Dong picNums will be set so that current frame has the largest picNum 11830c1bc742181ded4930842b46e9507372f0b1b963James Dong and all the short-term frames in the buffer will get smaller picNum 11840c1bc742181ded4930842b46e9507372f0b1b963James Dong representing their "distance" from the current frame. This 11850c1bc742181ded4930842b46e9507372f0b1b963James Dong function kind of maps the modulo arithmetic back to normal. 11860c1bc742181ded4930842b46e9507372f0b1b963James Dong 11870c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 11880c1bc742181ded4930842b46e9507372f0b1b963James Dong 11890c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic void SetPicNums(dpbStorage_t *dpb, u32 currFrameNum) 11900c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 11910c1bc742181ded4930842b46e9507372f0b1b963James Dong 11920c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 11930c1bc742181ded4930842b46e9507372f0b1b963James Dong 11940c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 11950c1bc742181ded4930842b46e9507372f0b1b963James Dong i32 frameNumWrap; 11960c1bc742181ded4930842b46e9507372f0b1b963James Dong 11970c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 11980c1bc742181ded4930842b46e9507372f0b1b963James Dong 11990c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb); 12000c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(currFrameNum < dpb->maxFrameNum); 12010c1bc742181ded4930842b46e9507372f0b1b963James Dong 12020c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->numRefFrames; i++) 12030c1bc742181ded4930842b46e9507372f0b1b963James Dong if (IS_SHORT_TERM(dpb->buffer[i])) 12040c1bc742181ded4930842b46e9507372f0b1b963James Dong { 12050c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->buffer[i].frameNum > currFrameNum) 12060c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNumWrap = 12070c1bc742181ded4930842b46e9507372f0b1b963James Dong (i32)dpb->buffer[i].frameNum - (i32)dpb->maxFrameNum; 12080c1bc742181ded4930842b46e9507372f0b1b963James Dong else 12090c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNumWrap = (i32)dpb->buffer[i].frameNum; 12100c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[i].picNum = frameNumWrap; 12110c1bc742181ded4930842b46e9507372f0b1b963James Dong } 12120c1bc742181ded4930842b46e9507372f0b1b963James Dong 12130c1bc742181ded4930842b46e9507372f0b1b963James Dong} 12140c1bc742181ded4930842b46e9507372f0b1b963James Dong 12150c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 12160c1bc742181ded4930842b46e9507372f0b1b963James Dong 12170c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdCheckGapsInFrameNum 12180c1bc742181ded4930842b46e9507372f0b1b963James Dong 12190c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 12200c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to check gaps in frame_num and generate non-existing 12210c1bc742181ded4930842b46e9507372f0b1b963James Dong (short term) reference pictures if necessary. This function should 12220c1bc742181ded4930842b46e9507372f0b1b963James Dong be called only for non-IDR pictures. 12230c1bc742181ded4930842b46e9507372f0b1b963James Dong 12240c1bc742181ded4930842b46e9507372f0b1b963James Dong Inputs: 12250c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb pointer to dpb data structure 12260c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNum frame number of the current picture 12270c1bc742181ded4930842b46e9507372f0b1b963James Dong isRefPic flag to indicate if current picture is a reference or 12280c1bc742181ded4930842b46e9507372f0b1b963James Dong non-reference picture 12290c1bc742181ded4930842b46e9507372f0b1b963James Dong gapsAllowed Flag which indicates active SPS stance on whether 12300c1bc742181ded4930842b46e9507372f0b1b963James Dong to allow gaps 12310c1bc742181ded4930842b46e9507372f0b1b963James Dong 12320c1bc742181ded4930842b46e9507372f0b1b963James Dong Outputs: 12330c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb 'buffer' possibly modified by inserting non-existing 12340c1bc742181ded4930842b46e9507372f0b1b963James Dong pictures with sliding window marking process 12350c1bc742181ded4930842b46e9507372f0b1b963James Dong 12360c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 12370c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 12380c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK error in sliding window reference picture marking or 12390c1bc742181ded4930842b46e9507372f0b1b963James Dong frameNum equal to previous reference frame used for 12400c1bc742181ded4930842b46e9507372f0b1b963James Dong a reference picture 12410c1bc742181ded4930842b46e9507372f0b1b963James Dong 12420c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 12430c1bc742181ded4930842b46e9507372f0b1b963James Dong 12440c1bc742181ded4930842b46e9507372f0b1b963James Dongu32 h264bsdCheckGapsInFrameNum(dpbStorage_t *dpb, u32 frameNum, u32 isRefPic, 12450c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 gapsAllowed) 12460c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 12470c1bc742181ded4930842b46e9507372f0b1b963James Dong 12480c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 12490c1bc742181ded4930842b46e9507372f0b1b963James Dong 12500c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 unUsedShortTermFrameNum; 12510c1bc742181ded4930842b46e9507372f0b1b963James Dong u8 *tmp; 12520c1bc742181ded4930842b46e9507372f0b1b963James Dong 12530c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 12540c1bc742181ded4930842b46e9507372f0b1b963James Dong 12550c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb); 12560c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb->fullness <= dpb->dpbSize); 12570c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(frameNum < dpb->maxFrameNum); 12580c1bc742181ded4930842b46e9507372f0b1b963James Dong 12590c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numOut = 0; 12600c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outIndex = 0; 12610c1bc742181ded4930842b46e9507372f0b1b963James Dong 12620c1bc742181ded4930842b46e9507372f0b1b963James Dong if(!gapsAllowed) 12630c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 12640c1bc742181ded4930842b46e9507372f0b1b963James Dong 12650c1bc742181ded4930842b46e9507372f0b1b963James Dong if ( (frameNum != dpb->prevRefFrameNum) && 12660c1bc742181ded4930842b46e9507372f0b1b963James Dong (frameNum != ((dpb->prevRefFrameNum + 1) % dpb->maxFrameNum))) 12670c1bc742181ded4930842b46e9507372f0b1b963James Dong { 12680c1bc742181ded4930842b46e9507372f0b1b963James Dong 12690c1bc742181ded4930842b46e9507372f0b1b963James Dong unUsedShortTermFrameNum = (dpb->prevRefFrameNum + 1) % dpb->maxFrameNum; 12700c1bc742181ded4930842b46e9507372f0b1b963James Dong 12710c1bc742181ded4930842b46e9507372f0b1b963James Dong /* store data pointer of last buffer position to be used as next 12720c1bc742181ded4930842b46e9507372f0b1b963James Dong * "allocated" data pointer if last buffer position after this process 12730c1bc742181ded4930842b46e9507372f0b1b963James Dong * contains data pointer located in outBuf (buffer placed in the output 12740c1bc742181ded4930842b46e9507372f0b1b963James Dong * shall not be overwritten by the current picture) */ 12750c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = dpb->buffer[dpb->dpbSize].data; 12760c1bc742181ded4930842b46e9507372f0b1b963James Dong do 12770c1bc742181ded4930842b46e9507372f0b1b963James Dong { 12780c1bc742181ded4930842b46e9507372f0b1b963James Dong SetPicNums(dpb, unUsedShortTermFrameNum); 12790c1bc742181ded4930842b46e9507372f0b1b963James Dong 12800c1bc742181ded4930842b46e9507372f0b1b963James Dong if (SlidingWindowRefPicMarking(dpb) != HANTRO_OK) 12810c1bc742181ded4930842b46e9507372f0b1b963James Dong { 12820c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 12830c1bc742181ded4930842b46e9507372f0b1b963James Dong } 12840c1bc742181ded4930842b46e9507372f0b1b963James Dong 12850c1bc742181ded4930842b46e9507372f0b1b963James Dong /* output pictures if buffer full */ 12860c1bc742181ded4930842b46e9507372f0b1b963James Dong while (dpb->fullness >= dpb->dpbSize) 12870c1bc742181ded4930842b46e9507372f0b1b963James Dong { 12880c1bc742181ded4930842b46e9507372f0b1b963James Dong#ifdef _ASSERT_USED 12890c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(!dpb->noReordering); 12900c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(OutputPicture(dpb) == HANTRO_OK); 12910c1bc742181ded4930842b46e9507372f0b1b963James Dong#else 12920c1bc742181ded4930842b46e9507372f0b1b963James Dong OutputPicture(dpb); 12930c1bc742181ded4930842b46e9507372f0b1b963James Dong#endif 12940c1bc742181ded4930842b46e9507372f0b1b963James Dong } 12950c1bc742181ded4930842b46e9507372f0b1b963James Dong 12960c1bc742181ded4930842b46e9507372f0b1b963James Dong /* add to end of list */ 12970c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT( !dpb->buffer[dpb->dpbSize].toBeDisplayed && 12980c1bc742181ded4930842b46e9507372f0b1b963James Dong !IS_REFERENCE(dpb->buffer[dpb->dpbSize]) ); 12990c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[dpb->dpbSize].status = NON_EXISTING; 13000c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[dpb->dpbSize].frameNum = unUsedShortTermFrameNum; 13010c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[dpb->dpbSize].picNum = (i32)unUsedShortTermFrameNum; 13020c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[dpb->dpbSize].picOrderCnt = 0; 13030c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[dpb->dpbSize].toBeDisplayed = HANTRO_FALSE; 13040c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness++; 13050c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numRefFrames++; 13060c1bc742181ded4930842b46e9507372f0b1b963James Dong 13070c1bc742181ded4930842b46e9507372f0b1b963James Dong /* sort the buffer */ 13080c1bc742181ded4930842b46e9507372f0b1b963James Dong ShellSort(dpb->buffer, dpb->dpbSize+1); 13090c1bc742181ded4930842b46e9507372f0b1b963James Dong 13100c1bc742181ded4930842b46e9507372f0b1b963James Dong unUsedShortTermFrameNum = (unUsedShortTermFrameNum + 1) % 13110c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->maxFrameNum; 13120c1bc742181ded4930842b46e9507372f0b1b963James Dong 13130c1bc742181ded4930842b46e9507372f0b1b963James Dong } while (unUsedShortTermFrameNum != frameNum); 13140c1bc742181ded4930842b46e9507372f0b1b963James Dong 13150c1bc742181ded4930842b46e9507372f0b1b963James Dong /* pictures placed in output buffer -> check that 'data' in 13160c1bc742181ded4930842b46e9507372f0b1b963James Dong * buffer position dpbSize is not in the output buffer (this will be 13170c1bc742181ded4930842b46e9507372f0b1b963James Dong * "allocated" by h264bsdAllocateDpbImage). If it is -> exchange data 13180c1bc742181ded4930842b46e9507372f0b1b963James Dong * pointer with the one stored in the beginning */ 13190c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->numOut) 13200c1bc742181ded4930842b46e9507372f0b1b963James Dong { 13210c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 13220c1bc742181ded4930842b46e9507372f0b1b963James Dong 13230c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->numOut; i++) 13240c1bc742181ded4930842b46e9507372f0b1b963James Dong { 13250c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->outBuf[i].data == dpb->buffer[dpb->dpbSize].data) 13260c1bc742181ded4930842b46e9507372f0b1b963James Dong { 13270c1bc742181ded4930842b46e9507372f0b1b963James Dong /* find buffer position containing data pointer stored in 13280c1bc742181ded4930842b46e9507372f0b1b963James Dong * tmp */ 13290c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->dpbSize; i++) 13300c1bc742181ded4930842b46e9507372f0b1b963James Dong { 13310c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->buffer[i].data == tmp) 13320c1bc742181ded4930842b46e9507372f0b1b963James Dong { 13330c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[i].data = 13340c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[dpb->dpbSize].data; 13350c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->buffer[dpb->dpbSize].data = tmp; 13360c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 13370c1bc742181ded4930842b46e9507372f0b1b963James Dong } 13380c1bc742181ded4930842b46e9507372f0b1b963James Dong } 13390c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(i < dpb->dpbSize); 13400c1bc742181ded4930842b46e9507372f0b1b963James Dong break; 13410c1bc742181ded4930842b46e9507372f0b1b963James Dong } 13420c1bc742181ded4930842b46e9507372f0b1b963James Dong } 13430c1bc742181ded4930842b46e9507372f0b1b963James Dong } 13440c1bc742181ded4930842b46e9507372f0b1b963James Dong } 13450c1bc742181ded4930842b46e9507372f0b1b963James Dong /* frameNum for reference pictures shall not be the same as for previous 13460c1bc742181ded4930842b46e9507372f0b1b963James Dong * reference picture, otherwise accesses to pictures in the buffer cannot 13470c1bc742181ded4930842b46e9507372f0b1b963James Dong * be solved unambiguously */ 13480c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (isRefPic && frameNum == dpb->prevRefFrameNum) 13490c1bc742181ded4930842b46e9507372f0b1b963James Dong { 13500c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 13510c1bc742181ded4930842b46e9507372f0b1b963James Dong } 13520c1bc742181ded4930842b46e9507372f0b1b963James Dong 13530c1bc742181ded4930842b46e9507372f0b1b963James Dong /* save current frame_num in prevRefFrameNum. For non-reference frame 13540c1bc742181ded4930842b46e9507372f0b1b963James Dong * prevFrameNum is set to frame number of last non-existing frame above */ 13550c1bc742181ded4930842b46e9507372f0b1b963James Dong if (isRefPic) 13560c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->prevRefFrameNum = frameNum; 13570c1bc742181ded4930842b46e9507372f0b1b963James Dong else if (frameNum != dpb->prevRefFrameNum) 13580c1bc742181ded4930842b46e9507372f0b1b963James Dong { 13590c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->prevRefFrameNum = 13600c1bc742181ded4930842b46e9507372f0b1b963James Dong (frameNum + dpb->maxFrameNum - 1) % dpb->maxFrameNum; 13610c1bc742181ded4930842b46e9507372f0b1b963James Dong } 13620c1bc742181ded4930842b46e9507372f0b1b963James Dong 13630c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 13640c1bc742181ded4930842b46e9507372f0b1b963James Dong 13650c1bc742181ded4930842b46e9507372f0b1b963James Dong} 13660c1bc742181ded4930842b46e9507372f0b1b963James Dong 13670c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 13680c1bc742181ded4930842b46e9507372f0b1b963James Dong 13690c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: FindSmallestPicOrderCnt 13700c1bc742181ded4930842b46e9507372f0b1b963James Dong 13710c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 13720c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to find picture with smallest picture order count. This 13730c1bc742181ded4930842b46e9507372f0b1b963James Dong will be the next picture in display order. 13740c1bc742181ded4930842b46e9507372f0b1b963James Dong 13750c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 13760c1bc742181ded4930842b46e9507372f0b1b963James Dong pointer to the picture, NULL if no pictures to be displayed 13770c1bc742181ded4930842b46e9507372f0b1b963James Dong 13780c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 13790c1bc742181ded4930842b46e9507372f0b1b963James Dong 13800c1bc742181ded4930842b46e9507372f0b1b963James DongdpbPicture_t* FindSmallestPicOrderCnt(dpbStorage_t *dpb) 13810c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 13820c1bc742181ded4930842b46e9507372f0b1b963James Dong 13830c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 13840c1bc742181ded4930842b46e9507372f0b1b963James Dong 13850c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 13860c1bc742181ded4930842b46e9507372f0b1b963James Dong i32 picOrderCnt; 13870c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbPicture_t *tmp; 13880c1bc742181ded4930842b46e9507372f0b1b963James Dong 13890c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 13900c1bc742181ded4930842b46e9507372f0b1b963James Dong 13910c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb); 13920c1bc742181ded4930842b46e9507372f0b1b963James Dong 13930c1bc742181ded4930842b46e9507372f0b1b963James Dong picOrderCnt = 0x7FFFFFFF; 13940c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = NULL; 13950c1bc742181ded4930842b46e9507372f0b1b963James Dong 13960c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i <= dpb->dpbSize; i++) 13970c1bc742181ded4930842b46e9507372f0b1b963James Dong { 13980c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->buffer[i].toBeDisplayed && 13990c1bc742181ded4930842b46e9507372f0b1b963James Dong (dpb->buffer[i].picOrderCnt < picOrderCnt)) 14000c1bc742181ded4930842b46e9507372f0b1b963James Dong { 14010c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = dpb->buffer + i; 14020c1bc742181ded4930842b46e9507372f0b1b963James Dong picOrderCnt = dpb->buffer[i].picOrderCnt; 14030c1bc742181ded4930842b46e9507372f0b1b963James Dong } 14040c1bc742181ded4930842b46e9507372f0b1b963James Dong } 14050c1bc742181ded4930842b46e9507372f0b1b963James Dong 14060c1bc742181ded4930842b46e9507372f0b1b963James Dong return(tmp); 14070c1bc742181ded4930842b46e9507372f0b1b963James Dong 14080c1bc742181ded4930842b46e9507372f0b1b963James Dong} 14090c1bc742181ded4930842b46e9507372f0b1b963James Dong 14100c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 14110c1bc742181ded4930842b46e9507372f0b1b963James Dong 14120c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: OutputPicture 14130c1bc742181ded4930842b46e9507372f0b1b963James Dong 14140c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 14150c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to put next display order picture into the output buffer. 14160c1bc742181ded4930842b46e9507372f0b1b963James Dong 14170c1bc742181ded4930842b46e9507372f0b1b963James Dong Returns: 14180c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_OK success 14190c1bc742181ded4930842b46e9507372f0b1b963James Dong HANTRO_NOK no pictures to display 14200c1bc742181ded4930842b46e9507372f0b1b963James Dong 14210c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 14220c1bc742181ded4930842b46e9507372f0b1b963James Dong 14230c1bc742181ded4930842b46e9507372f0b1b963James Dongu32 OutputPicture(dpbStorage_t *dpb) 14240c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 14250c1bc742181ded4930842b46e9507372f0b1b963James Dong 14260c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 14270c1bc742181ded4930842b46e9507372f0b1b963James Dong 14280c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbPicture_t *tmp; 14290c1bc742181ded4930842b46e9507372f0b1b963James Dong 14300c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 14310c1bc742181ded4930842b46e9507372f0b1b963James Dong 14320c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb); 14330c1bc742181ded4930842b46e9507372f0b1b963James Dong 14340c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->noReordering) 14350c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 14360c1bc742181ded4930842b46e9507372f0b1b963James Dong 14370c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp = FindSmallestPicOrderCnt(dpb); 14380c1bc742181ded4930842b46e9507372f0b1b963James Dong 14390c1bc742181ded4930842b46e9507372f0b1b963James Dong /* no pictures to be displayed */ 14400c1bc742181ded4930842b46e9507372f0b1b963James Dong if (tmp == NULL) 14410c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_NOK); 14420c1bc742181ded4930842b46e9507372f0b1b963James Dong 14430c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outBuf[dpb->numOut].data = tmp->data; 14440c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outBuf[dpb->numOut].isIdr = tmp->isIdr; 14450c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outBuf[dpb->numOut].picId = tmp->picId; 14460c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->outBuf[dpb->numOut].numErrMbs = tmp->numErrMbs; 14470c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->numOut++; 14480c1bc742181ded4930842b46e9507372f0b1b963James Dong 14490c1bc742181ded4930842b46e9507372f0b1b963James Dong tmp->toBeDisplayed = HANTRO_FALSE; 14500c1bc742181ded4930842b46e9507372f0b1b963James Dong if (!IS_REFERENCE(*tmp)) 14510c1bc742181ded4930842b46e9507372f0b1b963James Dong { 14520c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->fullness--; 14530c1bc742181ded4930842b46e9507372f0b1b963James Dong } 14540c1bc742181ded4930842b46e9507372f0b1b963James Dong 14550c1bc742181ded4930842b46e9507372f0b1b963James Dong return(HANTRO_OK); 14560c1bc742181ded4930842b46e9507372f0b1b963James Dong 14570c1bc742181ded4930842b46e9507372f0b1b963James Dong} 14580c1bc742181ded4930842b46e9507372f0b1b963James Dong 14590c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 14600c1bc742181ded4930842b46e9507372f0b1b963James Dong 14610c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdDpbOutputPicture 14620c1bc742181ded4930842b46e9507372f0b1b963James Dong 14630c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 14640c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to get next display order picture from the output buffer. 14650c1bc742181ded4930842b46e9507372f0b1b963James Dong 14660c1bc742181ded4930842b46e9507372f0b1b963James Dong Return: 14670c1bc742181ded4930842b46e9507372f0b1b963James Dong pointer to output picture structure, NULL if no pictures to 14680c1bc742181ded4930842b46e9507372f0b1b963James Dong display 14690c1bc742181ded4930842b46e9507372f0b1b963James Dong 14700c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 14710c1bc742181ded4930842b46e9507372f0b1b963James Dong 14720c1bc742181ded4930842b46e9507372f0b1b963James DongdpbOutPicture_t* h264bsdDpbOutputPicture(dpbStorage_t *dpb) 14730c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 14740c1bc742181ded4930842b46e9507372f0b1b963James Dong 14750c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 14760c1bc742181ded4930842b46e9507372f0b1b963James Dong 14770c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 14780c1bc742181ded4930842b46e9507372f0b1b963James Dong 14790c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb); 14800c1bc742181ded4930842b46e9507372f0b1b963James Dong 14810c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->outIndex < dpb->numOut) 14820c1bc742181ded4930842b46e9507372f0b1b963James Dong return(dpb->outBuf + dpb->outIndex++); 14830c1bc742181ded4930842b46e9507372f0b1b963James Dong else 14840c1bc742181ded4930842b46e9507372f0b1b963James Dong return(NULL); 14850c1bc742181ded4930842b46e9507372f0b1b963James Dong 14860c1bc742181ded4930842b46e9507372f0b1b963James Dong} 14870c1bc742181ded4930842b46e9507372f0b1b963James Dong 14880c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 14890c1bc742181ded4930842b46e9507372f0b1b963James Dong 14900c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdFlushDpb 14910c1bc742181ded4930842b46e9507372f0b1b963James Dong 14920c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 14930c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to flush the DPB. Function puts all pictures needed for 14940c1bc742181ded4930842b46e9507372f0b1b963James Dong display into the output buffer. This function shall be called in 14950c1bc742181ded4930842b46e9507372f0b1b963James Dong the end of the stream to obtain pictures buffered for display 14960c1bc742181ded4930842b46e9507372f0b1b963James Dong re-ordering purposes. 14970c1bc742181ded4930842b46e9507372f0b1b963James Dong 14980c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 14990c1bc742181ded4930842b46e9507372f0b1b963James Dong 15000c1bc742181ded4930842b46e9507372f0b1b963James Dongvoid h264bsdFlushDpb(dpbStorage_t *dpb) 15010c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 15020c1bc742181ded4930842b46e9507372f0b1b963James Dong 15030c1bc742181ded4930842b46e9507372f0b1b963James Dong /* don't do anything if buffer not reserved */ 15040c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->buffer) 15050c1bc742181ded4930842b46e9507372f0b1b963James Dong { 15060c1bc742181ded4930842b46e9507372f0b1b963James Dong dpb->flushed = 1; 15070c1bc742181ded4930842b46e9507372f0b1b963James Dong /* output all pictures */ 15080c1bc742181ded4930842b46e9507372f0b1b963James Dong while (OutputPicture(dpb) == HANTRO_OK) 15090c1bc742181ded4930842b46e9507372f0b1b963James Dong ; 15100c1bc742181ded4930842b46e9507372f0b1b963James Dong } 15110c1bc742181ded4930842b46e9507372f0b1b963James Dong 15120c1bc742181ded4930842b46e9507372f0b1b963James Dong} 15130c1bc742181ded4930842b46e9507372f0b1b963James Dong 15140c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 15150c1bc742181ded4930842b46e9507372f0b1b963James Dong 15160c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: h264bsdFreeDpb 15170c1bc742181ded4930842b46e9507372f0b1b963James Dong 15180c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 15190c1bc742181ded4930842b46e9507372f0b1b963James Dong Function to free memories reserved for the DPB. 15200c1bc742181ded4930842b46e9507372f0b1b963James Dong 15210c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 15220c1bc742181ded4930842b46e9507372f0b1b963James Dong 15230c1bc742181ded4930842b46e9507372f0b1b963James Dongvoid h264bsdFreeDpb(dpbStorage_t *dpb) 15240c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 15250c1bc742181ded4930842b46e9507372f0b1b963James Dong 15260c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Variables */ 15270c1bc742181ded4930842b46e9507372f0b1b963James Dong 15280c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i; 15290c1bc742181ded4930842b46e9507372f0b1b963James Dong 15300c1bc742181ded4930842b46e9507372f0b1b963James Dong/* Code */ 15310c1bc742181ded4930842b46e9507372f0b1b963James Dong 15320c1bc742181ded4930842b46e9507372f0b1b963James Dong ASSERT(dpb); 15330c1bc742181ded4930842b46e9507372f0b1b963James Dong 15340c1bc742181ded4930842b46e9507372f0b1b963James Dong if (dpb->buffer) 15350c1bc742181ded4930842b46e9507372f0b1b963James Dong { 15360c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = 0; i < dpb->dpbSize+1; i++) 15370c1bc742181ded4930842b46e9507372f0b1b963James Dong { 15380c1bc742181ded4930842b46e9507372f0b1b963James Dong FREE(dpb->buffer[i].pAllocatedData); 15390c1bc742181ded4930842b46e9507372f0b1b963James Dong } 15400c1bc742181ded4930842b46e9507372f0b1b963James Dong } 15410c1bc742181ded4930842b46e9507372f0b1b963James Dong FREE(dpb->buffer); 15420c1bc742181ded4930842b46e9507372f0b1b963James Dong FREE(dpb->list); 15430c1bc742181ded4930842b46e9507372f0b1b963James Dong FREE(dpb->outBuf); 15440c1bc742181ded4930842b46e9507372f0b1b963James Dong 15450c1bc742181ded4930842b46e9507372f0b1b963James Dong} 15460c1bc742181ded4930842b46e9507372f0b1b963James Dong 15470c1bc742181ded4930842b46e9507372f0b1b963James Dong/*------------------------------------------------------------------------------ 15480c1bc742181ded4930842b46e9507372f0b1b963James Dong 15490c1bc742181ded4930842b46e9507372f0b1b963James Dong Function: ShellSort 15500c1bc742181ded4930842b46e9507372f0b1b963James Dong 15510c1bc742181ded4930842b46e9507372f0b1b963James Dong Functional description: 15520c1bc742181ded4930842b46e9507372f0b1b963James Dong Sort pictures in the buffer. Function implements Shell's method, 15530c1bc742181ded4930842b46e9507372f0b1b963James Dong i.e. diminishing increment sort. See e.g. "Numerical Recipes in C" 15540c1bc742181ded4930842b46e9507372f0b1b963James Dong for more information. 15550c1bc742181ded4930842b46e9507372f0b1b963James Dong 15560c1bc742181ded4930842b46e9507372f0b1b963James Dong------------------------------------------------------------------------------*/ 15570c1bc742181ded4930842b46e9507372f0b1b963James Dong 15580c1bc742181ded4930842b46e9507372f0b1b963James Dongstatic void ShellSort(dpbPicture_t *pPic, u32 num) 15590c1bc742181ded4930842b46e9507372f0b1b963James Dong{ 15600c1bc742181ded4930842b46e9507372f0b1b963James Dong 15610c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 i, j; 15620c1bc742181ded4930842b46e9507372f0b1b963James Dong u32 step; 15630c1bc742181ded4930842b46e9507372f0b1b963James Dong dpbPicture_t tmpPic; 15640c1bc742181ded4930842b46e9507372f0b1b963James Dong 15650c1bc742181ded4930842b46e9507372f0b1b963James Dong step = 7; 15660c1bc742181ded4930842b46e9507372f0b1b963James Dong 15670c1bc742181ded4930842b46e9507372f0b1b963James Dong while (step) 15680c1bc742181ded4930842b46e9507372f0b1b963James Dong { 15690c1bc742181ded4930842b46e9507372f0b1b963James Dong for (i = step; i < num; i++) 15700c1bc742181ded4930842b46e9507372f0b1b963James Dong { 15710c1bc742181ded4930842b46e9507372f0b1b963James Dong tmpPic = pPic[i]; 15720c1bc742181ded4930842b46e9507372f0b1b963James Dong j = i; 15730c1bc742181ded4930842b46e9507372f0b1b963James Dong while (j >= step && ComparePictures(pPic + j - step, &tmpPic) > 0) 15740c1bc742181ded4930842b46e9507372f0b1b963James Dong { 15750c1bc742181ded4930842b46e9507372f0b1b963James Dong pPic[j] = pPic[j-step]; 15760c1bc742181ded4930842b46e9507372f0b1b963James Dong j -= step; 15770c1bc742181ded4930842b46e9507372f0b1b963James Dong } 15780c1bc742181ded4930842b46e9507372f0b1b963James Dong pPic[j] = tmpPic; 15790c1bc742181ded4930842b46e9507372f0b1b963James Dong } 15800c1bc742181ded4930842b46e9507372f0b1b963James Dong step >>= 1; 15810c1bc742181ded4930842b46e9507372f0b1b963James Dong } 15820c1bc742181ded4930842b46e9507372f0b1b963James Dong 15830c1bc742181ded4930842b46e9507372f0b1b963James Dong} 15840c1bc742181ded4930842b46e9507372f0b1b963James Dong 1585