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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 | ||