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Side by Side Diff: talk/media/base/rtputils.h

Issue 1578323002: Add rtppacketuil.h/cc (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Created 4 years, 11 months ago
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1 /* 1 /*
2 * libjingle 2 * libjingle
3 * Copyright 2011 Google Inc. 3 * Copyright 2011 Google Inc.
4 * 4 *
5 * Redistribution and use in source and binary forms, with or without 5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met: 6 * modification, are permitted provided that the following conditions are met:
7 * 7 *
8 * 1. Redistributions of source code must retain the above copyright notice, 8 * 1. Redistributions of source code must retain the above copyright notice,
9 * this list of conditions and the following disclaimer. 9 * this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice, 10 * 2. Redistributions in binary form must reproduce the above copyright notice,
(...skipping 12 matching lines...) Expand all
23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */ 26 */
27 27
28 #ifndef TALK_MEDIA_BASE_RTPUTILS_H_ 28 #ifndef TALK_MEDIA_BASE_RTPUTILS_H_
29 #define TALK_MEDIA_BASE_RTPUTILS_H_ 29 #define TALK_MEDIA_BASE_RTPUTILS_H_
30 30
31 #include "webrtc/base/byteorder.h" 31 #include "webrtc/base/byteorder.h"
32 32
33 namespace rtc {
34 struct PacketTimeUpdateParams;
35 } // namespace rtc
36
33 namespace cricket { 37 namespace cricket {
34 38
35 const size_t kMinRtpPacketLen = 12; 39 const size_t kMinRtpPacketLen = 12;
36 const size_t kMaxRtpPacketLen = 2048; 40 const size_t kMaxRtpPacketLen = 2048;
37 const size_t kMinRtcpPacketLen = 4; 41 const size_t kMinRtcpPacketLen = 4;
38 42
39 struct RtpHeader { 43 struct RtpHeader {
40 int payload_type; 44 int payload_type;
41 int seq_num; 45 int seq_num;
42 uint32_t timestamp; 46 uint32_t timestamp;
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64 68
65 bool SetRtpSsrc(void* data, size_t len, uint32_t value); 69 bool SetRtpSsrc(void* data, size_t len, uint32_t value);
66 // Assumes version 2, no padding, no extensions, no csrcs. 70 // Assumes version 2, no padding, no extensions, no csrcs.
67 bool SetRtpHeader(void* data, size_t len, const RtpHeader& header); 71 bool SetRtpHeader(void* data, size_t len, const RtpHeader& header);
68 72
69 bool IsRtpPacket(const void* data, size_t len); 73 bool IsRtpPacket(const void* data, size_t len);
70 74
71 // True if |payload type| is 0-127. 75 // True if |payload type| is 0-127.
72 bool IsValidRtpPayloadType(int payload_type); 76 bool IsValidRtpPayloadType(int payload_type);
73 77
78 // Verifies that a packet has a valid RTP header.
79 bool ValidateRtpHeader(const uint8_t* rtp,
80 size_t length,
81 size_t* header_length);
82
83 // Helper method which updates absolute send time extension if present.
pthatcher1 2016/01/14 19:34:02 updates absolute send time => updates the absolute
Sergey Ulanov 2016/01/14 20:13:10 Done.
84 bool UpdateRtpAbsSendTimeExtension(uint8_t* rtp,
85 size_t length,
86 int extension_id,
87 uint64_t time_us);
88
89 // Applies specified |options| to the packet. It updates absolute send time
pthatcher1 2016/01/14 19:34:02 Same here
Sergey Ulanov 2016/01/14 20:13:10 Done.
90 // extension header if it is present present then updates HMAC.
91 bool ApplyPacketOptions(uint8_t* data,
92 size_t length,
93 const rtc::PacketTimeUpdateParams& packet_time_params,
94 uint64_t time_us);
95
96
74 } // namespace cricket 97 } // namespace cricket
75 98
76 #endif // TALK_MEDIA_BASE_RTPUTILS_H_ 99 #endif // TALK_MEDIA_BASE_RTPUTILS_H_
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