1 /*
2 * Copyright (c) 2020, Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 */
22 //!
23 //! \file decode_avc_mv_buffers.cpp
24 //! \brief Defines MV buffers related logic for avc decode
25 //!
26
27 #include "decode_avc_basic_feature.h"
28 #include "decode_utils.h"
29 #include "decode_avc_mv_buffers.h"
30 #include "codec_def_decode_avc.h"
31
32 namespace decode
33 {
34
Init(void * hwInterface,DecodeAllocator & allocator,AvcBasicFeature & basicFeature)35 MOS_STATUS AvcMvBufferOpInf::Init(void* hwInterface, DecodeAllocator& allocator,
36 AvcBasicFeature& basicFeature)
37 {
38 DECODE_CHK_STATUS(BufferOpInf::Init(hwInterface, allocator, basicFeature));
39 return MOS_STATUS_SUCCESS;
40 }
41
Allocate()42 MOS_BUFFER* AvcMvBufferOpInf::Allocate()
43 {
44 DECODE_FUNC_CALL();
45
46 m_picWidthInMB = (uint16_t)CODECHAL_GET_WIDTH_IN_MACROBLOCKS(m_basicFeature->m_width);
47 m_picHeightInMB = (uint16_t)CODECHAL_GET_WIDTH_IN_MACROBLOCKS(m_basicFeature->m_height);
48
49 uint32_t avcDmvBufferSize = 64 * m_picWidthInMB * (uint32_t)(MOS_ALIGN_CEIL(m_picHeightInMB, 2));
50 return m_allocator->AllocateBuffer(avcDmvBufferSize, "AvcMvBuffer", resourceInternalReadWriteCache, notLockableVideoMem);
51 }
52
Resize(MOS_BUFFER * & buffer)53 MOS_STATUS AvcMvBufferOpInf::Resize(MOS_BUFFER* &buffer)
54 {
55 DECODE_FUNC_CALL();
56
57 if (buffer == nullptr)
58 {
59 DECODE_CHK_NULL(buffer = Allocate());
60 return MOS_STATUS_SUCCESS;
61 }
62
63 m_picWidthInMB = MOS_MAX(m_picWidthInMB, m_basicFeature->m_avcPicParams->pic_width_in_mbs_minus1 + 1);
64 m_picHeightInMB = MOS_MAX(m_picHeightInMB, m_basicFeature->m_avcPicParams->pic_height_in_mbs_minus1 + 1);
65
66 uint32_t newDmvBufferSize = 64 * m_picWidthInMB * (uint32_t)(MOS_ALIGN_CEIL(m_picHeightInMB, 2));
67 return m_allocator->Resize(buffer, newDmvBufferSize, notLockableVideoMem, false);
68 }
69
Destroy(MOS_BUFFER * & buffer)70 void AvcMvBufferOpInf::Destroy(MOS_BUFFER* &buffer)
71 {
72 DECODE_FUNC_CALL();
73
74 if (m_allocator != nullptr)
75 {
76 m_allocator->Destroy(buffer);
77 }
78 }
79
80 } // namespace decode
81