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 //!
24 //! \file decode_jpeg_input_bitstream.cpp
25 //! \brief Defines the common interface for decode jpeg input bitstream
26 //!
27 #include "decode_jpeg_input_bitstream.h"
28 #include "decode_pipeline.h"
29
30 namespace decode
31 {
DecodeJpegInputBitstream(DecodePipeline * pipeline,MediaTask * task,uint8_t numVdbox)32 DecodeJpegInputBitstream::DecodeJpegInputBitstream(DecodePipeline* pipeline, MediaTask* task, uint8_t numVdbox)
33 : DecodeInputBitstream(pipeline, task, numVdbox)
34 {
35 }
36
Init(CodechalSetting & settings)37 MOS_STATUS DecodeJpegInputBitstream::Init(CodechalSetting &settings)
38 {
39 DecodeInputBitstream::Init(settings);
40
41 m_jpegBasicFeature = dynamic_cast<JpegBasicFeature *>(m_basicFeature);
42 DECODE_CHK_NULL(m_jpegBasicFeature);
43 return MOS_STATUS_SUCCESS;
44 }
45
IsComplete()46 bool DecodeJpegInputBitstream::IsComplete()
47 {
48 return m_completeBitStream && m_completeJpegScan;
49 }
50
Append(const CodechalDecodeParams & decodeParams)51 MOS_STATUS DecodeJpegInputBitstream::Append(const CodechalDecodeParams &decodeParams)
52 {
53 bool firstExecuteCall = (decodeParams.m_executeCallIndex == 0);
54 auto numScans = m_jpegBasicFeature->m_jpegScanParams->NumScans;
55 auto totalScans = m_jpegBasicFeature->m_jpegPicParams->m_totalScans;
56 uint32_t maxBufferSize = MOS_ALIGN_CEIL(m_jpegBasicFeature->m_jpegPicParams->m_frameWidth * m_jpegBasicFeature->m_jpegPicParams->m_frameHeight * 3, 64);
57 uint32_t segmentSize = decodeParams.m_dataSize;
58 if (firstExecuteCall)
59 {
60 auto headerSize = m_jpegBasicFeature->m_jpegScanParams->ScanHeader[numScans - 1].DataOffset +
61 m_jpegBasicFeature->m_jpegScanParams->ScanHeader[numScans - 1].DataLength;
62
63 if (numScans >= totalScans && segmentSize >= headerSize) // Bitstream complete and scan complete
64 {
65 m_completeBitStream = true;
66 m_completeJpegScan = true;
67 }
68 else if (numScans < totalScans && segmentSize > headerSize) // Bitstream complete and scan incomplete
69 {
70 m_completeBitStream = true;
71 m_completeJpegScan = false;
72 }
73 else if (numScans >= totalScans && segmentSize < headerSize) //Bitstream incomplete and scan complete, should catenate bitstream
74 {
75 m_completeBitStream = false;
76 m_completeJpegScan = true;
77 m_requiredSize = maxBufferSize;
78
79 //Allocate Buffer
80 DECODE_CHK_STATUS(AllocateCatenatedBuffer());
81 m_basicFeature->m_resDataBuffer = *m_catenatedBuffer;
82 m_basicFeature->m_dataOffset = 0;
83 DECODE_CHK_STATUS(ActivatePacket(DecodePacketId(m_pipeline, hucCopyPacketId), true, 0, 0));
84 AddNewSegment(*(decodeParams.m_dataBuffer), decodeParams.m_dataOffset, decodeParams.m_dataSize);
85 }
86 else
87 {
88 return MOS_STATUS_INVALID_PARAMETER;
89 }
90
91 }
92 else
93 {
94 if (m_completeBitStream)// Bitstream complete and scan incomplete, wait scan complete
95 {
96 m_completeJpegScan = (numScans >= totalScans);
97 }
98 else//Bitstream incomplete and scan complete, should catenate bitstream
99 {
100 if (m_segmentsTotalSize + segmentSize > m_requiredSize)
101 {
102 DECODE_ASSERTMESSAGE("Bitstream size exceeds allocated buffer size!");
103 return MOS_STATUS_INVALID_PARAMETER;
104 }
105 DECODE_CHK_STATUS(ActivatePacket(DecodePacketId(m_pipeline, hucCopyPacketId), true, 0, 0));
106 AddNewSegment(*(decodeParams.m_dataBuffer), decodeParams.m_dataOffset, decodeParams.m_dataSize);
107
108 uint32_t totalSize = m_jpegBasicFeature->m_jpegScanParams->ScanHeader[totalScans - 1].DataOffset +
109 m_jpegBasicFeature->m_jpegScanParams->ScanHeader[totalScans - 1].DataLength;
110 if (m_segmentsTotalSize + segmentSize >= totalSize)
111 {
112 m_completeBitStream = true;
113 }
114 }
115 }
116 m_segmentsTotalSize += MOS_ALIGN_CEIL(segmentSize, MHW_CACHELINE_SIZE);
117 return MOS_STATUS_SUCCESS;
118 }
119
120
121 } // namespace decode
122
123