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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_receiver.h" | 5 #include "media/cast/rtp_receiver/rtp_receiver.h" |
6 | 6 |
| 7 #include "base/big_endian.h" |
7 #include "base/logging.h" | 8 #include "base/logging.h" |
8 #include "media/cast/rtp_receiver/receiver_stats.h" | 9 #include "media/cast/rtp_receiver/receiver_stats.h" |
9 #include "media/cast/rtp_receiver/rtp_parser/rtp_parser.h" | 10 #include "media/cast/rtp_receiver/rtp_parser/rtp_parser.h" |
10 #include "media/cast/rtp_receiver/rtp_receiver_defines.h" | 11 #include "media/cast/rtp_receiver/rtp_receiver_defines.h" |
11 #include "net/base/big_endian.h" | |
12 | 12 |
13 namespace media { | 13 namespace media { |
14 namespace cast { | 14 namespace cast { |
15 | 15 |
16 RtpReceiver::RtpReceiver(base::TickClock* clock, | 16 RtpReceiver::RtpReceiver(base::TickClock* clock, |
17 const AudioReceiverConfig* audio_config, | 17 const AudioReceiverConfig* audio_config, |
18 const VideoReceiverConfig* video_config, | 18 const VideoReceiverConfig* video_config, |
19 RtpData* incoming_payload_callback) { | 19 RtpData* incoming_payload_callback) { |
20 DCHECK(incoming_payload_callback) << "Invalid argument"; | 20 DCHECK(incoming_payload_callback) << "Invalid argument"; |
21 DCHECK(audio_config || video_config) << "Invalid argument"; | 21 DCHECK(audio_config || video_config) << "Invalid argument"; |
(...skipping 13 matching lines...) Expand all Loading... |
35 stats_.reset(new ReceiverStats(clock)); | 35 stats_.reset(new ReceiverStats(clock)); |
36 parser_.reset(new RtpParser(incoming_payload_callback, config)); | 36 parser_.reset(new RtpParser(incoming_payload_callback, config)); |
37 } | 37 } |
38 | 38 |
39 RtpReceiver::~RtpReceiver() {} | 39 RtpReceiver::~RtpReceiver() {} |
40 | 40 |
41 // static | 41 // static |
42 uint32 RtpReceiver::GetSsrcOfSender(const uint8* rtcp_buffer, size_t length) { | 42 uint32 RtpReceiver::GetSsrcOfSender(const uint8* rtcp_buffer, size_t length) { |
43 DCHECK_GE(length, kMinLengthOfRtp) << "Invalid RTP packet"; | 43 DCHECK_GE(length, kMinLengthOfRtp) << "Invalid RTP packet"; |
44 uint32 ssrc_of_sender; | 44 uint32 ssrc_of_sender; |
45 net::BigEndianReader big_endian_reader(rtcp_buffer, length); | 45 base::BigEndianReader big_endian_reader( |
| 46 reinterpret_cast<const char*>(rtcp_buffer), length); |
46 big_endian_reader.Skip(8); // Skip header | 47 big_endian_reader.Skip(8); // Skip header |
47 big_endian_reader.ReadU32(&ssrc_of_sender); | 48 big_endian_reader.ReadU32(&ssrc_of_sender); |
48 return ssrc_of_sender; | 49 return ssrc_of_sender; |
49 } | 50 } |
50 | 51 |
51 bool RtpReceiver::ReceivedPacket(const uint8* packet, size_t length) { | 52 bool RtpReceiver::ReceivedPacket(const uint8* packet, size_t length) { |
52 RtpCastHeader rtp_header; | 53 RtpCastHeader rtp_header; |
53 if (!parser_->ParsePacket(packet, length, &rtp_header)) | 54 if (!parser_->ParsePacket(packet, length, &rtp_header)) |
54 return false; | 55 return false; |
55 | 56 |
56 stats_->UpdateStatistics(rtp_header); | 57 stats_->UpdateStatistics(rtp_header); |
57 return true; | 58 return true; |
58 } | 59 } |
59 | 60 |
60 void RtpReceiver::GetStatistics(uint8* fraction_lost, | 61 void RtpReceiver::GetStatistics(uint8* fraction_lost, |
61 uint32* cumulative_lost, | 62 uint32* cumulative_lost, |
62 uint32* extended_high_sequence_number, | 63 uint32* extended_high_sequence_number, |
63 uint32* jitter) { | 64 uint32* jitter) { |
64 stats_->GetStatistics( | 65 stats_->GetStatistics( |
65 fraction_lost, cumulative_lost, extended_high_sequence_number, jitter); | 66 fraction_lost, cumulative_lost, extended_high_sequence_number, jitter); |
66 } | 67 } |
67 | 68 |
68 } // namespace cast | 69 } // namespace cast |
69 } // namespace media | 70 } // namespace media |
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