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1 /* | 1 /* |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license | 4 * Use of this source code is governed by a BSD-style license |
5 * that can be found in the LICENSE file in the root of the source | 5 * that can be found in the LICENSE file in the root of the source |
6 * tree. An additional intellectual property rights grant can be found | 6 * tree. An additional intellectual property rights grant can be found |
7 * in the file PATENTS. All contributing project authors may | 7 * in the file PATENTS. All contributing project authors may |
8 * be found in the AUTHORS file in the root of the source tree. | 8 * be found in the AUTHORS file in the root of the source tree. |
9 */ | 9 */ |
10 | 10 |
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63 } | 63 } |
64 | 64 |
65 void TMMBRSet::ClearEntry(uint32_t idx) { | 65 void TMMBRSet::ClearEntry(uint32_t idx) { |
66 SetEntry(idx, 0, 0, 0); | 66 SetEntry(idx, 0, 0, 0); |
67 } | 67 } |
68 | 68 |
69 TMMBRHelp::TMMBRHelp() | 69 TMMBRHelp::TMMBRHelp() |
70 : _criticalSection(CriticalSectionWrapper::CreateCriticalSection()), | 70 : _criticalSection(CriticalSectionWrapper::CreateCriticalSection()), |
71 _candidateSet(), | 71 _candidateSet(), |
72 _boundingSet(), | 72 _boundingSet(), |
73 _boundingSetToSend(), | |
74 _ptrIntersectionBoundingSet(NULL), | 73 _ptrIntersectionBoundingSet(NULL), |
75 _ptrMaxPRBoundingSet(NULL) { | 74 _ptrMaxPRBoundingSet(NULL) { |
76 } | 75 } |
77 | 76 |
78 TMMBRHelp::~TMMBRHelp() { | 77 TMMBRHelp::~TMMBRHelp() { |
79 delete [] _ptrIntersectionBoundingSet; | 78 delete [] _ptrIntersectionBoundingSet; |
80 delete [] _ptrMaxPRBoundingSet; | 79 delete [] _ptrMaxPRBoundingSet; |
81 _ptrIntersectionBoundingSet = 0; | 80 _ptrIntersectionBoundingSet = 0; |
82 _ptrMaxPRBoundingSet = 0; | 81 _ptrMaxPRBoundingSet = 0; |
83 delete _criticalSection; | 82 delete _criticalSection; |
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100 _ptrMaxPRBoundingSet = new float[minimumSize]; | 99 _ptrMaxPRBoundingSet = new float[minimumSize]; |
101 } | 100 } |
102 _boundingSet.VerifyAndAllocateSet(minimumSize); | 101 _boundingSet.VerifyAndAllocateSet(minimumSize); |
103 return &_boundingSet; | 102 return &_boundingSet; |
104 } | 103 } |
105 | 104 |
106 TMMBRSet* TMMBRHelp::BoundingSet() { | 105 TMMBRSet* TMMBRHelp::BoundingSet() { |
107 return &_boundingSet; | 106 return &_boundingSet; |
108 } | 107 } |
109 | 108 |
110 int32_t | |
111 TMMBRHelp::SetTMMBRBoundingSetToSend(const TMMBRSet* boundingSetToSend) | |
112 { | |
113 CriticalSectionScoped lock(_criticalSection); | |
114 | |
115 if (boundingSetToSend == NULL) | |
116 { | |
117 _boundingSetToSend.clearSet(); | |
118 return 0; | |
119 } | |
120 | |
121 VerifyAndAllocateBoundingSetToSend(boundingSetToSend->lengthOfSet()); | |
122 _boundingSetToSend.clearSet(); | |
123 for (uint32_t i = 0; i < boundingSetToSend->lengthOfSet(); i++) | |
124 { | |
125 // cap at our configured max bitrate | |
126 uint32_t bitrate = boundingSetToSend->Tmmbr(i); | |
127 _boundingSetToSend.SetEntry(i, bitrate, | |
128 boundingSetToSend->PacketOH(i), | |
129 boundingSetToSend->Ssrc(i)); | |
130 } | |
131 return 0; | |
132 } | |
133 | |
134 int32_t | |
135 TMMBRHelp::VerifyAndAllocateBoundingSetToSend(uint32_t minimumSize) | |
136 { | |
137 CriticalSectionScoped lock(_criticalSection); | |
138 | |
139 _boundingSetToSend.VerifyAndAllocateSet(minimumSize); | |
140 return 0; | |
141 } | |
142 | |
143 TMMBRSet* | 109 TMMBRSet* |
144 TMMBRHelp::VerifyAndAllocateCandidateSet(uint32_t minimumSize) | 110 TMMBRHelp::VerifyAndAllocateCandidateSet(uint32_t minimumSize) |
145 { | 111 { |
146 CriticalSectionScoped lock(_criticalSection); | 112 CriticalSectionScoped lock(_criticalSection); |
147 | 113 |
148 _candidateSet.VerifyAndAllocateSet(minimumSize); | 114 _candidateSet.VerifyAndAllocateSet(minimumSize); |
149 return &_candidateSet; | 115 return &_candidateSet; |
150 } | 116 } |
151 | 117 |
152 TMMBRSet* | 118 TMMBRSet* |
153 TMMBRHelp::CandidateSet() | 119 TMMBRHelp::CandidateSet() |
154 { | 120 { |
155 return &_candidateSet; | 121 return &_candidateSet; |
156 } | 122 } |
157 | 123 |
158 TMMBRSet* | |
159 TMMBRHelp::BoundingSetToSend() | |
160 { | |
161 return &_boundingSetToSend; | |
162 } | |
163 | |
164 int32_t | 124 int32_t |
165 TMMBRHelp::FindTMMBRBoundingSet(TMMBRSet*& boundingSet) | 125 TMMBRHelp::FindTMMBRBoundingSet(TMMBRSet*& boundingSet) |
166 { | 126 { |
167 CriticalSectionScoped lock(_criticalSection); | 127 CriticalSectionScoped lock(_criticalSection); |
168 | 128 |
169 // Work on local variable, will be modified | 129 // Work on local variable, will be modified |
170 TMMBRSet candidateSet; | 130 TMMBRSet candidateSet; |
171 candidateSet.VerifyAndAllocateSet(_candidateSet.capacity()); | 131 candidateSet.VerifyAndAllocateSet(_candidateSet.capacity()); |
172 | 132 |
173 for (uint32_t i = 0; i < _candidateSet.size(); i++) | 133 for (uint32_t i = 0; i < _candidateSet.size(); i++) |
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440 uint32_t curNetBitRateKbit = _candidateSet.Tmmbr(i); | 400 uint32_t curNetBitRateKbit = _candidateSet.Tmmbr(i); |
441 if (curNetBitRateKbit < MIN_VIDEO_BW_MANAGEMENT_BITRATE) { | 401 if (curNetBitRateKbit < MIN_VIDEO_BW_MANAGEMENT_BITRATE) { |
442 curNetBitRateKbit = MIN_VIDEO_BW_MANAGEMENT_BITRATE; | 402 curNetBitRateKbit = MIN_VIDEO_BW_MANAGEMENT_BITRATE; |
443 } | 403 } |
444 *minBitrateKbit = curNetBitRateKbit < *minBitrateKbit ? | 404 *minBitrateKbit = curNetBitRateKbit < *minBitrateKbit ? |
445 curNetBitRateKbit : *minBitrateKbit; | 405 curNetBitRateKbit : *minBitrateKbit; |
446 } | 406 } |
447 return true; | 407 return true; |
448 } | 408 } |
449 } // namespace webrtc | 409 } // namespace webrtc |
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