1 /*
2 * Copyright (c) 2021, 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_mpeg2_reference_frames.cpp
24 //! \brief Defines reference list related logic for mpeg2 decode
25 //!
26
27 #include "decode_mpeg2_basic_feature.h"
28 #include "decode_utils.h"
29 #include "codec_utilities_next.h"
30 #include "decode_mpeg2_reference_frames.h"
31 #include "codec_def_decode_mpeg2.h"
32
33 namespace decode{
34
Mpeg2ReferenceFrames()35 Mpeg2ReferenceFrames::Mpeg2ReferenceFrames()
36 {
37 MOS_ZeroMemory(m_refList, sizeof(m_refList));
38 }
39
Init(Mpeg2BasicFeature * basicFeature,DecodeAllocator & allocator)40 MOS_STATUS Mpeg2ReferenceFrames::Init(Mpeg2BasicFeature *basicFeature, DecodeAllocator& allocator)
41 {
42 DECODE_FUNC_CALL();
43 DECODE_CHK_NULL(basicFeature);
44
45 m_basicFeature = basicFeature;
46 m_allocator = &allocator;
47 DECODE_CHK_STATUS(CodecUtilities::CodecHalAllocateDataList(m_refList, CODECHAL_NUM_UNCOMPRESSED_SURFACE_MPEG2));
48
49 //mark all reference res as invalid when they are no initialized
50 for (uint32_t i = 0; i < CODECHAL_NUM_UNCOMPRESSED_SURFACE_MPEG2; i++)
51 {
52 m_refList[i]->RefPic.PicFlags = PICTURE_INVALID;
53 }
54
55 return MOS_STATUS_SUCCESS;
56 }
57
~Mpeg2ReferenceFrames()58 Mpeg2ReferenceFrames::~Mpeg2ReferenceFrames()
59 {
60 DECODE_FUNC_CALL();
61 CodecUtilities::CodecHalFreeDataList(m_refList, CODECHAL_NUM_UNCOMPRESSED_SURFACE_MPEG2);
62 m_activeReferenceList.clear();
63 }
64
UpdatePicture(CodecDecodeMpeg2PicParams & picParams)65 MOS_STATUS Mpeg2ReferenceFrames::UpdatePicture(CodecDecodeMpeg2PicParams &picParams)
66 {
67 DECODE_FUNC_CALL();
68
69 DECODE_CHK_STATUS(UpdateCurFrame(picParams));
70 DECODE_CHK_STATUS(UpdateCurRefList(picParams));
71
72 return MOS_STATUS_SUCCESS;
73 }
74
UpdateCurResource(const CodecDecodeMpeg2PicParams & picParams)75 MOS_STATUS Mpeg2ReferenceFrames::UpdateCurResource(const CodecDecodeMpeg2PicParams &picParams)
76 {
77 DECODE_FUNC_CALL();
78
79 PCODEC_REF_LIST destEntry = m_refList[picParams.m_currPic.FrameIdx];
80 destEntry->resRefPic = m_basicFeature->m_destSurface.OsResource;
81
82 return MOS_STATUS_SUCCESS;
83 }
84
UpdateCurFrame(const CodecDecodeMpeg2PicParams & picParams)85 MOS_STATUS Mpeg2ReferenceFrames::UpdateCurFrame(const CodecDecodeMpeg2PicParams &picParams)
86 {
87 DECODE_FUNC_CALL();
88
89 CODEC_PICTURE currPic = picParams.m_currPic;
90 PCODEC_REF_LIST destEntry = m_refList[currPic.FrameIdx];
91 destEntry->RefPic = currPic;
92 DECODE_CHK_STATUS(UpdateCurResource(picParams));
93
94 return MOS_STATUS_SUCCESS;
95 }
96
UpdateCurRefList(const CodecDecodeMpeg2PicParams & picParams)97 MOS_STATUS Mpeg2ReferenceFrames::UpdateCurRefList(const CodecDecodeMpeg2PicParams &picParams)
98 {
99 DECODE_FUNC_CALL();
100
101 // Do not use data that has not been initialized
102 if (CodecHal_PictureIsInvalid(m_refList[m_basicFeature->m_fwdRefIdx]->RefPic))
103 {
104 m_basicFeature->m_fwdRefIdx = picParams.m_currPic.FrameIdx;
105 }
106 if (CodecHal_PictureIsInvalid(m_refList[m_basicFeature->m_bwdRefIdx]->RefPic))
107 {
108 m_basicFeature->m_bwdRefIdx = picParams.m_currPic.FrameIdx;
109 }
110
111 // Override reference list with ref surface passed from DDI if needed
112 uint8_t surfCount = 0;
113 uint8_t surfIndex = 0;
114 while (surfCount < m_basicFeature->m_refSurfaceNum && surfIndex < CODECHAL_NUM_UNCOMPRESSED_SURFACE_MPEG2)
115 {
116 if (!m_allocator->ResourceIsNull(&m_basicFeature->m_refFrameSurface[surfIndex].OsResource))
117 {
118 m_refList[surfIndex]->resRefPic = m_basicFeature->m_refFrameSurface[surfIndex].OsResource;
119 surfCount++;
120 }
121 surfIndex++;
122 }
123
124 return MOS_STATUS_SUCCESS;
125 }
126
127 } // namespace decode
128