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1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/cast/rtp_receiver/rtp_parser/test/rtp_packet_builder.h" | 5 #include "media/cast/rtp_receiver/rtp_parser/test/rtp_packet_builder.h" |
6 | 6 |
| 7 #include "base/big_endian.h" |
7 #include "base/logging.h" | 8 #include "base/logging.h" |
8 #include "net/base/big_endian.h" | |
9 | 9 |
10 namespace media { | 10 namespace media { |
11 namespace cast { | 11 namespace cast { |
12 | 12 |
13 const uint32 kCastRtpHeaderLength = 7; | 13 const uint32 kCastRtpHeaderLength = 7; |
14 const uint32 kGenericRtpHeaderLength = 12; | 14 const uint32 kGenericRtpHeaderLength = 12; |
15 static const uint8 kRtpMarkerBitMask = 0x80; | 15 static const uint8 kRtpMarkerBitMask = 0x80; |
16 | 16 |
17 RtpPacketBuilder::RtpPacketBuilder() | 17 RtpPacketBuilder::RtpPacketBuilder() |
18 : is_key_(false), | 18 : is_key_(false), |
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63 BuildCommonHeader(data, data_length); | 63 BuildCommonHeader(data, data_length); |
64 BuildCastHeader(data + kGenericRtpHeaderLength, | 64 BuildCastHeader(data + kGenericRtpHeaderLength, |
65 data_length - kGenericRtpHeaderLength); | 65 data_length - kGenericRtpHeaderLength); |
66 } | 66 } |
67 | 67 |
68 void RtpPacketBuilder::BuildCastHeader(uint8* data, uint32 data_length) { | 68 void RtpPacketBuilder::BuildCastHeader(uint8* data, uint32 data_length) { |
69 // Build header. | 69 // Build header. |
70 DCHECK_LE(kCastRtpHeaderLength, data_length); | 70 DCHECK_LE(kCastRtpHeaderLength, data_length); |
71 // Set the first 7 bytes to 0. | 71 // Set the first 7 bytes to 0. |
72 memset(data, 0, kCastRtpHeaderLength); | 72 memset(data, 0, kCastRtpHeaderLength); |
73 net::BigEndianWriter big_endian_writer(data, 56); | 73 base::BigEndianWriter big_endian_writer(reinterpret_cast<char*>(data), 56); |
74 big_endian_writer.WriteU8((is_key_ ? 0x80 : 0) | | 74 big_endian_writer.WriteU8((is_key_ ? 0x80 : 0) | |
75 (is_reference_set_ ? 0x40 : 0)); | 75 (is_reference_set_ ? 0x40 : 0)); |
76 big_endian_writer.WriteU8(frame_id_); | 76 big_endian_writer.WriteU8(frame_id_); |
77 big_endian_writer.WriteU16(packet_id_); | 77 big_endian_writer.WriteU16(packet_id_); |
78 big_endian_writer.WriteU16(max_packet_id_); | 78 big_endian_writer.WriteU16(max_packet_id_); |
79 if (is_reference_set_) { | 79 if (is_reference_set_) { |
80 big_endian_writer.WriteU8(reference_frame_id_); | 80 big_endian_writer.WriteU8(reference_frame_id_); |
81 } | 81 } |
82 } | 82 } |
83 | 83 |
84 void RtpPacketBuilder::BuildCommonHeader(uint8* data, uint32 data_length) { | 84 void RtpPacketBuilder::BuildCommonHeader(uint8* data, uint32 data_length) { |
85 DCHECK_LE(kGenericRtpHeaderLength, data_length); | 85 DCHECK_LE(kGenericRtpHeaderLength, data_length); |
86 net::BigEndianWriter big_endian_writer(data, 96); | 86 base::BigEndianWriter big_endian_writer(reinterpret_cast<char*>(data), 96); |
87 big_endian_writer.WriteU8(0x80); | 87 big_endian_writer.WriteU8(0x80); |
88 big_endian_writer.WriteU8(payload_type_ | (marker_ ? kRtpMarkerBitMask : 0)); | 88 big_endian_writer.WriteU8(payload_type_ | (marker_ ? kRtpMarkerBitMask : 0)); |
89 big_endian_writer.WriteU16(sequence_number_); | 89 big_endian_writer.WriteU16(sequence_number_); |
90 big_endian_writer.WriteU32(timestamp_); | 90 big_endian_writer.WriteU32(timestamp_); |
91 big_endian_writer.WriteU32(ssrc_); | 91 big_endian_writer.WriteU32(ssrc_); |
92 } | 92 } |
93 | 93 |
94 } // namespace cast | 94 } // namespace cast |
95 } // namespace media | 95 } // namespace media |
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