1 /*
2 * Copyright (c) 2017, 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"),
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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     codechal_mmc_decode_mpeg2.cpp
24 //! \brief    Impelements the public interface for CodecHal Media Memory Compression
25 //!
26 
27 #include "codechal_mmc_decode_mpeg2.h"
28 
CodechalMmcDecodeMpeg2(CodechalHwInterface * hwInterface,void * standardState)29 CodechalMmcDecodeMpeg2::CodechalMmcDecodeMpeg2(
30     CodechalHwInterface    *hwInterface,
31     void *standardState):
32     CodecHalMmcState(hwInterface)
33 {
34     CODECHAL_DECODE_FUNCTION_ENTER;
35 
36     m_mpeg2State = (CodechalDecodeMpeg2 *)standardState;
37     CODECHAL_HW_ASSERT(m_mpeg2State);
38 
39     CODECHAL_HW_ASSERT(hwInterface);
40     CODECHAL_HW_ASSERT(hwInterface->GetSkuTable());
41     if (MEDIA_IS_SKU(hwInterface->GetSkuTable(), FtrMemoryCompression))
42     {
43         MOS_USER_FEATURE_VALUE_DATA userFeatureData;
44         MOS_ZeroMemory(&userFeatureData, sizeof(userFeatureData));
45         userFeatureData.i32Data = m_mmcEnabled;
46         userFeatureData.i32DataFlag = MOS_USER_FEATURE_VALUE_DATA_FLAG_CUSTOM_DEFAULT_VALUE_TYPE;
47 
48         MOS_UserFeature_ReadValue_ID(
49             nullptr,
50             __MEDIA_USER_FEATURE_VALUE_DECODE_MMC_ENABLE_ID,
51             &userFeatureData,
52             m_osInterface->pOsContext);
53         m_mmcEnabled = (userFeatureData.i32Data) ? true : false;
54 
55         MOS_USER_FEATURE_VALUE_WRITE_DATA userFeatureWriteData;
56         MOS_ZeroMemory(&userFeatureWriteData, sizeof(userFeatureWriteData));
57         userFeatureWriteData.Value.i32Data = m_mmcEnabled;
58         userFeatureWriteData.ValueID = __MEDIA_USER_FEATURE_VALUE_DECODE_MMC_IN_USE_ID;
59         MOS_UserFeature_WriteValues_ID(nullptr, &userFeatureWriteData, 1, m_osInterface->pOsContext);
60     }
61 
62 #if (_DEBUG || _RELEASE_INTERNAL)
63     m_compressibleId  = __MEDIA_USER_FEATURE_VALUE_MMC_DEC_RT_COMPRESSIBLE_ID;
64     m_compressModeId  = __MEDIA_USER_FEATURE_VALUE_MMC_DEC_RT_COMPRESSMODE_ID;
65 #endif
66 }
67 
SetPipeBufAddr(PMHW_VDBOX_PIPE_BUF_ADDR_PARAMS pipeBufAddrParams,PMOS_COMMAND_BUFFER cmdBuffer)68 MOS_STATUS CodechalMmcDecodeMpeg2::SetPipeBufAddr(
69     PMHW_VDBOX_PIPE_BUF_ADDR_PARAMS pipeBufAddrParams,
70     PMOS_COMMAND_BUFFER cmdBuffer)
71 {
72     MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
73 
74     CODECHAL_DECODE_FUNCTION_ENTER;
75 
76     CODECHAL_DECODE_CHK_NULL_RETURN(m_mpeg2State->m_picParams);
77 
78     if (m_mmcEnabled &&
79         !m_mpeg2State->m_deblockingEnabled &&
80         m_mpeg2State->m_destSurface.bCompressible &&
81         (m_mpeg2State->m_picParams->m_currPic.PicFlags == PICTURE_FRAME))
82     {
83         pipeBufAddrParams->PreDeblockSurfMmcState = MOS_MEMCOMP_VERTICAL;
84     }
85 
86     CODECHAL_DEBUG_TOOL(
87         m_mpeg2State->m_destSurface.MmcState = m_mpeg2State->m_deblockingEnabled ? pipeBufAddrParams->PostDeblockSurfMmcState : pipeBufAddrParams->PreDeblockSurfMmcState;)
88 
89     return eStatus;
90 }
91 
SetRefrenceSync(bool disableDecodeSyncLock,bool disableLockForTranscode)92 MOS_STATUS CodechalMmcDecodeMpeg2::SetRefrenceSync(
93     bool disableDecodeSyncLock,
94     bool disableLockForTranscode)
95 {
96     MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
97 
98     CODECHAL_DECODE_FUNCTION_ENTER;
99 
100     CODECHAL_DECODE_CHK_NULL_RETURN(m_mpeg2State->m_picParams);
101 
102     // Check if reference surface needs to be synchronized in MMC case
103     if (m_mmcEnabled &&
104         (!CodecHal_PictureIsField(m_mpeg2State->m_picParams->m_currPic) ||
105             !m_mpeg2State->m_picParams->m_secondField))
106     {
107         MOS_SYNC_PARAMS syncParams          = g_cInitSyncParams;
108         syncParams.GpuContext               = m_mpeg2State->GetVideoContext();
109         syncParams.bDisableDecodeSyncLock   = disableDecodeSyncLock;
110         syncParams.bDisableLockForTranscode = disableLockForTranscode;
111 
112         for (uint32_t i = 0; i < CODEC_MAX_NUM_REF_FRAME_NON_AVC; i++)
113         {
114             if (m_mpeg2State->m_presReferences[i])
115             {
116                 syncParams.presSyncResource = m_mpeg2State->m_presReferences[i];
117                 syncParams.bReadOnly = true;
118 
119                 CODECHAL_DECODE_CHK_STATUS_RETURN(m_osInterface->pfnPerformOverlaySync(
120                     m_osInterface,
121                     &syncParams));
122                 CODECHAL_DECODE_CHK_STATUS_RETURN(m_osInterface->pfnResourceWait(
123                     m_osInterface,
124                     &syncParams));
125                 m_osInterface->pfnSetResourceSyncTag(m_osInterface, &syncParams);
126             }
127         }
128     }
129 
130     return eStatus;
131 }
132 
CheckReferenceList(PMHW_VDBOX_PIPE_BUF_ADDR_PARAMS pipeBufAddrParams)133 MOS_STATUS CodechalMmcDecodeMpeg2::CheckReferenceList(
134         PMHW_VDBOX_PIPE_BUF_ADDR_PARAMS pipeBufAddrParams)
135 {
136     MOS_STATUS eStatus = MOS_STATUS_SUCCESS;
137 
138     CODECHAL_DECODE_FUNCTION_ENTER;
139 
140     CODECHAL_DECODE_CHK_NULL_RETURN(pipeBufAddrParams);
141     CODECHAL_DECODE_CHK_NULL_RETURN(m_mpeg2State->m_picParams);
142 
143     // Disable MMC if self-reference is dectected for P/B frames (mainly for error concealment)
144     if (((pipeBufAddrParams->PostDeblockSurfMmcState != MOS_MEMCOMP_DISABLED) ||
145             (pipeBufAddrParams->PreDeblockSurfMmcState != MOS_MEMCOMP_DISABLED)) &&
146         (m_mpeg2State->m_picParams->m_pictureCodingType != I_TYPE))
147     {
148         bool selfReference = false;
149         if ((m_mpeg2State->m_picParams->m_currPic.FrameIdx == m_mpeg2State->m_picParams->m_forwardRefIdx) ||
150             (m_mpeg2State->m_picParams->m_currPic.FrameIdx == m_mpeg2State->m_picParams->m_backwardRefIdx))
151         {
152             selfReference = true;
153         }
154 
155         if (selfReference)
156         {
157             pipeBufAddrParams->PostDeblockSurfMmcState = MOS_MEMCOMP_DISABLED;
158             pipeBufAddrParams->PreDeblockSurfMmcState = MOS_MEMCOMP_DISABLED;
159             CODECHAL_DECODE_ASSERTMESSAGE("Self-reference is detected for P/B frames!");
160 
161             // Decompress current frame to avoid green corruptions in this error handling case
162             MOS_MEMCOMP_STATE mmcMode;
163             CODECHAL_DECODE_CHK_STATUS_RETURN(m_osInterface->pfnGetMemoryCompressionMode(
164                 m_osInterface,
165                 &m_mpeg2State->m_destSurface.OsResource,
166                 &mmcMode));
167             if (mmcMode != MOS_MEMCOMP_DISABLED)
168             {
169                 CODECHAL_DECODE_CHK_STATUS_RETURN(m_osInterface->pfnDecompResource(
170                     m_osInterface,
171                     &m_mpeg2State->m_destSurface.OsResource));
172             }
173         }
174     }
175 
176     return eStatus;
177 }
178 
179