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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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106 kRtcpXrReceiverReferenceTime = 0x40000, | 106 kRtcpXrReceiverReferenceTime = 0x40000, |
107 kRtcpXrDlrrReportBlock = 0x80000, | 107 kRtcpXrDlrrReportBlock = 0x80000, |
108 kRtcpTransportFeedback = 0x100000, | 108 kRtcpTransportFeedback = 0x100000, |
109 kRtcpXrTargetBitrate = 0x200000 | 109 kRtcpXrTargetBitrate = 0x200000 |
110 }; | 110 }; |
111 | 111 |
112 enum KeyFrameRequestMethod { kKeyFrameReqPliRtcp, kKeyFrameReqFirRtcp }; | 112 enum KeyFrameRequestMethod { kKeyFrameReqPliRtcp, kKeyFrameReqFirRtcp }; |
113 | 113 |
114 enum RtpRtcpPacketType { kPacketRtp = 0, kPacketKeepAlive = 1 }; | 114 enum RtpRtcpPacketType { kPacketRtp = 0, kPacketKeepAlive = 1 }; |
115 | 115 |
| 116 // kConditionallyRetransmitHigherLayers allows retransmission of video frames |
| 117 // in higher layers if either the last frame in that layer was too far back in |
| 118 // time, or if we estimate that a new frame will be available in a lower layer |
| 119 // in a shorter time than it would take to request and receive a retransmission. |
116 enum RetransmissionMode : uint8_t { | 120 enum RetransmissionMode : uint8_t { |
117 kRetransmitOff = 0x0, | 121 kRetransmitOff = 0x0, |
118 kRetransmitFECPackets = 0x1, | 122 kRetransmitFECPackets = 0x1, |
119 kRetransmitBaseLayer = 0x2, | 123 kRetransmitBaseLayer = 0x2, |
120 kRetransmitHigherLayers = 0x4, | 124 kRetransmitHigherLayers = 0x4, |
| 125 kConditionallyRetransmitHigherLayers = 0x8, |
121 kRetransmitAllPackets = 0xFF | 126 kRetransmitAllPackets = 0xFF |
122 }; | 127 }; |
123 | 128 |
124 enum RtxMode { | 129 enum RtxMode { |
125 kRtxOff = 0x0, | 130 kRtxOff = 0x0, |
126 kRtxRetransmitted = 0x1, // Only send retransmissions over RTX. | 131 kRtxRetransmitted = 0x1, // Only send retransmissions over RTX. |
127 kRtxRedundantPayloads = 0x2 // Preventively send redundant payloads | 132 kRtxRedundantPayloads = 0x2 // Preventively send redundant payloads |
128 // instead of padding. | 133 // instead of padding. |
129 }; | 134 }; |
130 | 135 |
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475 class TransportSequenceNumberAllocator { | 480 class TransportSequenceNumberAllocator { |
476 public: | 481 public: |
477 TransportSequenceNumberAllocator() {} | 482 TransportSequenceNumberAllocator() {} |
478 virtual ~TransportSequenceNumberAllocator() {} | 483 virtual ~TransportSequenceNumberAllocator() {} |
479 | 484 |
480 virtual uint16_t AllocateSequenceNumber() = 0; | 485 virtual uint16_t AllocateSequenceNumber() = 0; |
481 }; | 486 }; |
482 | 487 |
483 } // namespace webrtc | 488 } // namespace webrtc |
484 #endif // WEBRTC_MODULES_RTP_RTCP_INCLUDE_RTP_RTCP_DEFINES_H_ | 489 #endif // WEBRTC_MODULES_RTP_RTCP_INCLUDE_RTP_RTCP_DEFINES_H_ |
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