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| 1 | +/*! | |
| 2 | + * \copy | |
| 3 | + * Copyright (c) 2009-2013, Cisco Systems | |
| 4 | + * All rights reserved. | |
| 5 | + * | |
| 6 | + * Redistribution and use in source and binary forms, with or without | |
| 7 | + * modification, are permitted provided that the following conditions | |
| 8 | + * are met: | |
| 9 | + * | |
| 10 | + * * Redistributions of source code must retain the above copyright | |
| 11 | + * notice, this list of conditions and the following disclaimer. | |
| 12 | + * | |
| 13 | + * * Redistributions in binary form must reproduce the above copyright | |
| 14 | + * notice, this list of conditions and the following disclaimer in | |
| 15 | + * the documentation and/or other materials provided with the | |
| 16 | + * distribution. | |
| 17 | + * | |
| 18 | + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
| 19 | + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
| 20 | + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
| 21 | + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
| 22 | + * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
| 23 | + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
| 24 | + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 25 | + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 26 | + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 27 | + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN | |
| 28 | + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE | |
| 29 | + * POSSIBILITY OF SUCH DAMAGE. | |
| 30 | + * | |
| 31 | + * | |
| 32 | + * \file pic_queue.c | |
| 33 | + * | |
| 34 | + * \brief Recycled piture queue implementation | |
| 35 | + * | |
| 36 | + * \date 03/13/2009 Created | |
| 37 | + * | |
| 38 | + ************************************************************************************* | |
| 39 | + */ | |
| 40 | +#include <string.h> | |
| 41 | +#include "pic_queue.h" | |
| 42 | +#include "wels_const.h" | |
| 43 | +#include "utils.h" | |
| 44 | +#include "macros.h" | |
| 45 | +#include "decoder_context.h" | |
| 46 | +#include "codec_def.h" | |
| 47 | +#include "mem_align.h" | |
| 48 | + | |
| 49 | +namespace WelsDec { | |
| 50 | + | |
| 51 | +void_t FreePicture( PPicture pPic ); | |
| 52 | + | |
| 53 | + | |
| 54 | +///////////////////////////////////Recycled queue management for pictures/////////////////////////////////// | |
| 55 | +/* ______________________________________ | |
| 56 | + -->| P0 | P1 | P2 | P3 | P4 | .. | Pn-1 |--> | |
| 57 | + -------------------------------------- | |
| 58 | + * | |
| 59 | + * How does it work? | |
| 60 | + * node <- next; ++ next; | |
| 61 | + * | |
| 62 | +*/ | |
| 63 | + | |
| 64 | + | |
| 65 | + | |
| 66 | +PPicture AllocPicture( PWelsDecoderContext pCtx, const int32_t kiPicWidth, const int32_t kiPicHeight ) | |
| 67 | +{ | |
| 68 | + PPicture pPic = NULL; | |
| 69 | + int32_t iPicWidth = 0; | |
| 70 | + int32_t iPicHeight= 0; | |
| 71 | + | |
| 72 | + int32_t iPicChromaWidth = 0; | |
| 73 | + int32_t iPicChromaHeight = 0; | |
| 74 | + int32_t iLumaSize = 0; | |
| 75 | + int32_t iChromaSize = 0; | |
| 76 | + | |
| 77 | + pPic = (PPicture) WelsMalloc( sizeof(SPicture), "PPicture" ); | |
| 78 | + WELS_VERIFY_RETURN_IF( NULL, NULL == pPic ); | |
| 79 | + | |
| 80 | + memset(pPic, 0, sizeof(SPicture) ); | |
| 81 | + | |
| 82 | + iPicWidth = WELS_ALIGN(kiPicWidth + (PADDING_LENGTH<<1), PICTURE_RESOLUTION_ALIGNMENT); | |
| 83 | + iPicHeight = WELS_ALIGN(kiPicHeight + (PADDING_LENGTH<<1), PICTURE_RESOLUTION_ALIGNMENT); | |
| 84 | + iPicChromaWidth = iPicWidth >> 1; | |
| 85 | + iPicChromaHeight = iPicHeight >> 1; | |
| 86 | + | |
| 87 | + iLumaSize = iPicWidth * iPicHeight; | |
| 88 | + iChromaSize = iPicChromaWidth * iPicChromaHeight; | |
| 89 | + if(pCtx->iDecoderMode == SW_MODE) | |
| 90 | + { | |
| 91 | + pPic->pBuffer[0] = static_cast<uint8_t*> (WelsMalloc( iLumaSize /* luma */ | |
| 92 | + + (iChromaSize << 1) /* Cb,Cr */, "_pic->buffer[0]" ) ); | |
| 93 | + | |
| 94 | + WELS_VERIFY_RETURN_PROC_IF( NULL, NULL == pPic->pBuffer[0], FreePicture(pPic) ); | |
| 95 | + pPic->iLinesize[0] = iPicWidth; | |
| 96 | + pPic->iLinesize[1] = pPic->iLinesize[2] = iPicChromaWidth; | |
| 97 | + pPic->pBuffer[1] = pPic->pBuffer[0] + iLumaSize; | |
| 98 | + pPic->pBuffer[2] = pPic->pBuffer[1] + iChromaSize; | |
| 99 | + pPic->pData[0] = pPic->pBuffer[0] + (1+pPic->iLinesize[0]) * PADDING_LENGTH; | |
| 100 | + pPic->pData[1] = pPic->pBuffer[1] + /*WELS_ALIGN*/( ((1+pPic->iLinesize[1]) * PADDING_LENGTH) >> 1 ); | |
| 101 | + pPic->pData[2] = pPic->pBuffer[2] + /*WELS_ALIGN*/( ((1+pPic->iLinesize[2]) * PADDING_LENGTH) >> 1 ); | |
| 102 | + } | |
| 103 | + | |
| 104 | + | |
| 105 | + | |
| 106 | + pPic->iPlanes = 3; // yv12 in default | |
| 107 | + pPic->iWidthInPixel = kiPicWidth; | |
| 108 | + pPic->iHeightInPixel= kiPicHeight; | |
| 109 | + pPic->iFrameNum = -1; | |
| 110 | + pPic->bAvailableFlag= true; | |
| 111 | + | |
| 112 | + return pPic; | |
| 113 | +} | |
| 114 | + | |
| 115 | +void_t FreePicture( PPicture pPic ) | |
| 116 | +{ | |
| 117 | + if ( NULL != pPic ) | |
| 118 | + { | |
| 119 | + | |
| 120 | + if ( pPic->pBuffer[0] ) | |
| 121 | + { | |
| 122 | + WelsFree( pPic->pBuffer[0], "pPic->pBuffer[0]" ); | |
| 123 | + } | |
| 124 | + | |
| 125 | + WelsFree( pPic, "pPic" ); | |
| 126 | + | |
| 127 | + pPic = NULL; | |
| 128 | + } | |
| 129 | +} | |
| 130 | +PPicture PrefetchPic( PPicBuff pPicBuf ) | |
| 131 | +{ | |
| 132 | + int32_t iPicIdx = 0; | |
| 133 | + PPicture pPic = NULL; | |
| 134 | + | |
| 135 | + if (pPicBuf->iCapacity == 0) | |
| 136 | + { | |
| 137 | + return NULL; | |
| 138 | + } | |
| 139 | + | |
| 140 | + for ( iPicIdx = pPicBuf->iCurrentIdx+1; iPicIdx<pPicBuf->iCapacity ;++iPicIdx) | |
| 141 | + { | |
| 142 | + if (pPicBuf->ppPic[iPicIdx] !=NULL && pPicBuf->ppPic[iPicIdx]->bAvailableFlag && !pPicBuf->ppPic[iPicIdx]->bUsedAsRef) | |
| 143 | + { | |
| 144 | + pPic = pPicBuf->ppPic[iPicIdx]; | |
| 145 | + break; | |
| 146 | + } | |
| 147 | + } | |
| 148 | + if (pPic !=NULL) | |
| 149 | + { | |
| 150 | + pPicBuf->iCurrentIdx = iPicIdx; | |
| 151 | + return pPic; | |
| 152 | + } | |
| 153 | + for ( iPicIdx = 0 ; iPicIdx<pPicBuf->iCurrentIdx ;++iPicIdx) | |
| 154 | + { | |
| 155 | + if (pPicBuf->ppPic[iPicIdx] !=NULL && pPicBuf->ppPic[iPicIdx]->bAvailableFlag && !pPicBuf->ppPic[iPicIdx]->bUsedAsRef) | |
| 156 | + { | |
| 157 | + pPic = pPicBuf->ppPic[iPicIdx]; | |
| 158 | + break; | |
| 159 | + } | |
| 160 | + } | |
| 161 | + | |
| 162 | + pPicBuf->iCurrentIdx = iPicIdx; | |
| 163 | + return pPic; | |
| 164 | +} | |
| 165 | + | |
| 166 | +} // namespace WelsDec | |