OLD | NEW |
| (Empty) |
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 | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef MEDIA_CAST_RTP_RECEIVER_RTP_PARSER_RTP_PARSER_H_ | |
6 #define MEDIA_CAST_RTP_RECEIVER_RTP_PARSER_RTP_PARSER_H_ | |
7 | |
8 #include "media/cast/rtp_receiver/rtp_receiver_defines.h" | |
9 #include "media/cast/transport/cast_transport_defines.h" | |
10 | |
11 namespace media { | |
12 namespace cast { | |
13 | |
14 // TODO(miu): RtpParser and RtpPacketizer should be consolidated into a single | |
15 // module that handles all RTP/Cast packet serialization and deserialization | |
16 // throughout the media/cast library. | |
17 class RtpParser { | |
18 public: | |
19 RtpParser(uint32 expected_sender_ssrc, uint8 expected_payload_type); | |
20 | |
21 virtual ~RtpParser(); | |
22 | |
23 // Parses the |packet|, expecting an RTP header along with a Cast header at | |
24 // the beginning of the the RTP payload. This method populates the structure | |
25 // pointed to by |rtp_header| and sets the |payload_data| pointer and | |
26 // |payload_size| to the memory region within |packet| containing the Cast | |
27 // payload data. Returns false if the data appears to be invalid, is not from | |
28 // the expected sender (as identified by the SSRC field), or is not the | |
29 // expected payload type. | |
30 bool ParsePacket(const uint8* packet, | |
31 size_t length, | |
32 RtpCastHeader* rtp_header, | |
33 const uint8** payload_data, | |
34 size_t* payload_size); | |
35 | |
36 private: | |
37 const uint32 expected_sender_ssrc_; | |
38 const uint8 expected_payload_type_; | |
39 transport::FrameIdWrapHelper frame_id_wrap_helper_; | |
40 | |
41 DISALLOW_COPY_AND_ASSIGN(RtpParser); | |
42 }; | |
43 | |
44 } // namespace cast | |
45 } // namespace media | |
46 | |
47 #endif // MEDIA_CAST_RTP_RECEIVER_RTP_PARSER_RTP_PARSER_H_ | |
OLD | NEW |