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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    picture_handle.c
33  *
34  * \brief   picture pData handling
35  *
36  * \date    5/20/2009 Created
37  *
38  *************************************************************************************/
39 #include "picture_handle.h"
40 #include "svc_motion_estimate.h"
41 
42 namespace WelsEnc {
43 /*!
44  * \brief   alloc picture pData with borders for each plane based width and height of picture
45  * \param   cx              width of picture in pixels
46  * \param   cy              height of picture in pixels
47  * \param   need_data       need pData allocation
48  * \pram    need_expand     need borders expanding
49  * \return  successful if effective picture pointer returned, otherwise failed with NULL
50  */
AllocPicture(CMemoryAlign * pMa,const int32_t kiWidth,const int32_t kiHeight,bool bNeedMbInfo,int32_t iNeedFeatureStorage)51 SPicture* AllocPicture (CMemoryAlign* pMa, const int32_t kiWidth , const int32_t kiHeight,
52                         bool bNeedMbInfo, int32_t iNeedFeatureStorage) {
53   SPicture* pPic = NULL;
54   int32_t iPicWidth = 0;
55   int32_t iPicHeight = 0;
56 
57   int32_t iPicChromaWidth       = 0;
58   int32_t iPicChromaHeight      = 0;
59   int32_t iLumaSize             = 0;
60   int32_t iChromaSize           = 0;
61 
62   pPic = static_cast<SPicture*> (pMa->WelsMallocz (sizeof (SPicture), "pPic"));
63 
64   WELS_VERIFY_RETURN_IF (NULL, NULL == pPic);
65 
66   iPicWidth         = WELS_ALIGN (kiWidth, MB_WIDTH_LUMA) + (PADDING_LENGTH << 1);  // with width of horizon
67   iPicHeight        = WELS_ALIGN (kiHeight, MB_HEIGHT_LUMA) + (PADDING_LENGTH << 1);        // with height of vertical
68   iPicChromaWidth   = iPicWidth >> 1;
69   iPicChromaHeight  = iPicHeight >> 1;
70   iPicWidth         = WELS_ALIGN (iPicWidth,
71                                   32);  // 32(or 16 for chroma below) to match original imp. here instead of cache_line_size
72   iPicChromaWidth   = WELS_ALIGN (iPicChromaWidth, 16);
73   iLumaSize         = iPicWidth * iPicHeight;
74   iChromaSize       = iPicChromaWidth * iPicChromaHeight;
75 
76   pPic->pBuffer = (uint8_t*)pMa->WelsMalloc (iLumaSize /* luma */
77                   + (iChromaSize << 1) /* Cb,Cr */
78                   , "pPic->pBuffer");
79   WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->pBuffer, FreePicture (pMa, &pPic));
80   pPic->iLineSize[0]    = iPicWidth;
81   pPic->iLineSize[1]    = pPic->iLineSize[2]    = iPicChromaWidth;
82   pPic->pData[0]        = pPic->pBuffer + (1 + pPic->iLineSize[0]) * PADDING_LENGTH;
83   pPic->pData[1]        = pPic->pBuffer + iLumaSize + (((1 + pPic->iLineSize[1]) * PADDING_LENGTH) >> 1);
84   pPic->pData[2]        = pPic->pBuffer + iLumaSize + iChromaSize + (((1 + pPic->iLineSize[2]) * PADDING_LENGTH) >> 1);
85 
86   pPic->iWidthInPixel   = kiWidth;
87   pPic->iHeightInPixel  = kiHeight;
88   pPic->iFrameNum       = -1;
89 
90   pPic->bIsLongRef      = false;
91   pPic->iLongTermPicNum = -1;
92   pPic->uiRecieveConfirmed = 0;
93   pPic->iMarkFrameNum   = -1;
94 
95   if (bNeedMbInfo) {
96     const uint32_t kuiCountMbNum = ((15 + kiWidth) >> 4) * ((15 + kiHeight) >> 4);
97 
98     pPic->uiRefMbType = (uint32_t*)pMa->WelsMallocz (kuiCountMbNum * sizeof (uint32_t), "pPic->uiRefMbType");
99     WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->uiRefMbType, FreePicture (pMa, &pPic));
100 
101     pPic->pRefMbQp = (uint8_t*)pMa->WelsMallocz (kuiCountMbNum * sizeof (uint8_t), "pPic->pRefMbQp");
102     WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->pRefMbQp, FreePicture (pMa, &pPic));
103 
104     pPic->sMvList           = static_cast<SMVUnitXY*> (pMa->WelsMallocz (kuiCountMbNum * sizeof (SMVUnitXY),
105                               "pPic->sMvList"));
106     WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->sMvList, FreePicture (pMa, &pPic));
107 
108     pPic->pMbSkipSad       = (int32_t*)pMa->WelsMallocz (kuiCountMbNum * sizeof (int32_t), "pPic->pMbSkipSad");
109     WELS_VERIFY_RETURN_PROC_IF (NULL, NULL == pPic->pMbSkipSad, FreePicture (pMa, &pPic));
110   }
111 
112   if (iNeedFeatureStorage) {
113     pPic->pScreenBlockFeatureStorage = static_cast<SScreenBlockFeatureStorage*> (pMa->WelsMallocz (sizeof (
114                                          SScreenBlockFeatureStorage), "pScreenBlockFeatureStorage"));
115     int32_t iReturn = RequestScreenBlockFeatureStorage (pMa, kiWidth,  kiHeight, iNeedFeatureStorage,
116                       pPic->pScreenBlockFeatureStorage);
117     WELS_VERIFY_RETURN_PROC_IF (NULL, ENC_RETURN_SUCCESS != iReturn, FreePicture (pMa, &pPic));
118   } else {
119     pPic->pScreenBlockFeatureStorage = NULL;
120   }
121   return pPic;
122 }
123 
124 /*!
125  * \brief   free picture pData planes
126  * \param   pPic        picture pointer to be destoryed
127  * \return  none
128  */
FreePicture(CMemoryAlign * pMa,SPicture ** ppPic)129 void FreePicture (CMemoryAlign* pMa, SPicture** ppPic) {
130   if (NULL != ppPic && NULL != *ppPic) {
131     SPicture* pPic = *ppPic;
132 
133     if (NULL != pPic->pBuffer) {
134       pMa->WelsFree (pPic->pBuffer, "pPic->pBuffer");
135       pPic->pBuffer = NULL;
136     }
137     pPic->pBuffer          = NULL;
138     pPic->pData[0]         =
139       pPic->pData[1]       =
140         pPic->pData[2]     = NULL;
141     pPic->iLineSize[0]     =
142       pPic->iLineSize[1]   =
143         pPic->iLineSize[2] = 0;
144 
145     pPic->iWidthInPixel         = 0;
146     pPic->iHeightInPixel        = 0;
147     pPic->iFrameNum             = -1;
148 
149     pPic->bIsLongRef            = false;
150     pPic->uiRecieveConfirmed    = 0;
151     pPic->iLongTermPicNum       = -1;
152     pPic->iMarkFrameNum         = -1;
153 
154     if (pPic->uiRefMbType) {
155       pMa->WelsFree (pPic->uiRefMbType, "pPic->uiRefMbType");
156       pPic->uiRefMbType = NULL;
157     }
158     if (pPic->pRefMbQp) {
159       pMa->WelsFree (pPic->pRefMbQp, "pPic->pRefMbQp");
160       pPic->pRefMbQp = NULL;
161     }
162 
163     if (pPic->sMvList) {
164       pMa->WelsFree (pPic->sMvList, "pPic->sMvList");
165       pPic->sMvList = NULL;
166     }
167     if (pPic->pMbSkipSad) {
168       pMa->WelsFree (pPic->pMbSkipSad, "pPic->pMbSkipSad");
169       pPic->pMbSkipSad = NULL;
170     }
171 
172     if (pPic->pScreenBlockFeatureStorage) {
173       ReleaseScreenBlockFeatureStorage (pMa, pPic->pScreenBlockFeatureStorage);
174       pMa->WelsFree (pPic->pScreenBlockFeatureStorage, "pPic->pScreenBlockFeatureStorage");
175       pPic->pScreenBlockFeatureStorage = NULL;
176     }
177 
178     pMa->WelsFree (*ppPic, "pPic");
179     *ppPic = NULL;
180   }
181 }
182 
183 } // namespace WelsEnc
184 
185