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1 /* | 1 /* |
2 * Copyright (c) 2015 The WebRTC project authors. All Rights Reserved. | 2 * Copyright (c) 2015 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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44 return false; | 44 return false; |
45 } | 45 } |
46 sub_type_ = packet.fmt(); | 46 sub_type_ = packet.fmt(); |
47 ssrc_ = ByteReader<uint32_t>::ReadBigEndian(&packet.payload()[0]); | 47 ssrc_ = ByteReader<uint32_t>::ReadBigEndian(&packet.payload()[0]); |
48 name_ = ByteReader<uint32_t>::ReadBigEndian(&packet.payload()[4]); | 48 name_ = ByteReader<uint32_t>::ReadBigEndian(&packet.payload()[4]); |
49 data_.SetData(packet.payload() + kAppBaseLength, | 49 data_.SetData(packet.payload() + kAppBaseLength, |
50 packet.payload_size_bytes() - kAppBaseLength); | 50 packet.payload_size_bytes() - kAppBaseLength); |
51 return true; | 51 return true; |
52 } | 52 } |
53 | 53 |
54 void App::WithSubType(uint8_t subtype) { | 54 void App::SetSubType(uint8_t subtype) { |
55 RTC_DCHECK_LE(subtype, 0x1f); | 55 RTC_DCHECK_LE(subtype, 0x1f); |
56 sub_type_ = subtype; | 56 sub_type_ = subtype; |
57 } | 57 } |
58 | 58 |
59 void App::WithData(const uint8_t* data, size_t data_length) { | 59 void App::SetData(const uint8_t* data, size_t data_length) { |
60 RTC_DCHECK(data); | 60 RTC_DCHECK(data); |
61 RTC_DCHECK_EQ(data_length % 4, 0u) << "Data must be 32 bits aligned."; | 61 RTC_DCHECK_EQ(data_length % 4, 0u) << "Data must be 32 bits aligned."; |
62 RTC_DCHECK_LE(data_length, kMaxDataSize) << "App data size " << data_length | 62 RTC_DCHECK_LE(data_length, kMaxDataSize) << "App data size " << data_length |
63 << " exceed maximum of " | 63 << " exceed maximum of " |
64 << kMaxDataSize << " bytes."; | 64 << kMaxDataSize << " bytes."; |
65 data_.SetData(data, data_length); | 65 data_.SetData(data, data_length); |
66 } | 66 } |
67 | 67 |
68 bool App::Create(uint8_t* packet, | 68 bool App::Create(uint8_t* packet, |
69 size_t* index, | 69 size_t* index, |
70 size_t max_length, | 70 size_t max_length, |
71 RtcpPacket::PacketReadyCallback* callback) const { | 71 RtcpPacket::PacketReadyCallback* callback) const { |
72 while (*index + BlockLength() > max_length) { | 72 while (*index + BlockLength() > max_length) { |
73 if (!OnBufferFull(packet, index, callback)) | 73 if (!OnBufferFull(packet, index, callback)) |
74 return false; | 74 return false; |
75 } | 75 } |
76 const size_t index_end = *index + BlockLength(); | 76 const size_t index_end = *index + BlockLength(); |
77 CreateHeader(sub_type_, kPacketType, HeaderLength(), packet, index); | 77 CreateHeader(sub_type_, kPacketType, HeaderLength(), packet, index); |
78 | 78 |
79 ByteWriter<uint32_t>::WriteBigEndian(&packet[*index + 0], ssrc_); | 79 ByteWriter<uint32_t>::WriteBigEndian(&packet[*index + 0], ssrc_); |
80 ByteWriter<uint32_t>::WriteBigEndian(&packet[*index + 4], name_); | 80 ByteWriter<uint32_t>::WriteBigEndian(&packet[*index + 4], name_); |
81 memcpy(&packet[*index + 8], data_.data(), data_.size()); | 81 memcpy(&packet[*index + 8], data_.data(), data_.size()); |
82 *index += (8 + data_.size()); | 82 *index += (8 + data_.size()); |
83 RTC_DCHECK_EQ(index_end, *index); | 83 RTC_DCHECK_EQ(index_end, *index); |
84 return true; | 84 return true; |
85 } | 85 } |
86 | 86 |
87 } // namespace rtcp | 87 } // namespace rtcp |
88 } // namespace webrtc | 88 } // namespace webrtc |
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