Move talk/media to webrtc/media

talk/media/base/rtputils.h

-/*
- * libjingle
- * Copyright 2011 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- *  1. Redistributions of source code must retain the above copyright notice,
- *     this list of conditions and the following disclaimer.
- *  2. Redistributions in binary form must reproduce the above copyright notice,
- *     this list of conditions and the following disclaimer in the documentation
- *     and/or other materials provided with the distribution.
- *  3. The name of the author may not be used to endorse or promote products
- *     derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#ifndef TALK_MEDIA_BASE_RTPUTILS_H_
-#define TALK_MEDIA_BASE_RTPUTILS_H_
-
-#include "webrtc/base/byteorder.h"
-
-namespace rtc {
-struct PacketTimeUpdateParams;
-}  // namespace rtc
-
-namespace cricket {
-
-const size_t kMinRtpPacketLen = 12;
-const size_t kMaxRtpPacketLen = 2048;
-const size_t kMinRtcpPacketLen = 4;
-
-struct RtpHeader {
-  int payload_type;
-  int seq_num;
-  uint32_t timestamp;
-  uint32_t ssrc;
-};
-
-enum RtcpTypes {
-  kRtcpTypeSR = 200,      // Sender report payload type.
-  kRtcpTypeRR = 201,      // Receiver report payload type.
-  kRtcpTypeSDES = 202,    // SDES payload type.
-  kRtcpTypeBye = 203,     // BYE payload type.
-  kRtcpTypeApp = 204,     // APP payload type.
-  kRtcpTypeRTPFB = 205,   // Transport layer Feedback message payload type.
-  kRtcpTypePSFB = 206,    // Payload-specific Feedback message payload type.
-};
-
-bool GetRtpPayloadType(const void* data, size_t len, int* value);
-bool GetRtpSeqNum(const void* data, size_t len, int* value);
-bool GetRtpTimestamp(const void* data, size_t len, uint32_t* value);
-bool GetRtpSsrc(const void* data, size_t len, uint32_t* value);
-bool GetRtpHeaderLen(const void* data, size_t len, size_t* value);
-bool GetRtcpType(const void* data, size_t len, int* value);
-bool GetRtcpSsrc(const void* data, size_t len, uint32_t* value);
-bool GetRtpHeader(const void* data, size_t len, RtpHeader* header);
-
-bool SetRtpSsrc(void* data, size_t len, uint32_t value);
-// Assumes version 2, no padding, no extensions, no csrcs.
-bool SetRtpHeader(void* data, size_t len, const RtpHeader& header);
-
-bool IsRtpPacket(const void* data, size_t len);
-
-// True if |payload type| is 0-127.
-bool IsValidRtpPayloadType(int payload_type);
-
-// Verifies that a packet has a valid RTP header.
-bool ValidateRtpHeader(const uint8_t* rtp,
-                       size_t length,
-                       size_t* header_length);
-
-// Helper method which updates the absolute send time extension if present.
-bool UpdateRtpAbsSendTimeExtension(uint8_t* rtp,
-                                   size_t length,
-                                   int extension_id,
-                                   uint64_t time_us);
-
-// Applies specified |options| to the packet. It updates the absolute send time
-// extension header if it is present present then updates HMAC.
-bool ApplyPacketOptions(uint8_t* data,
-                        size_t length,
-                        const rtc::PacketTimeUpdateParams& packet_time_params,
-                        uint64_t time_us);
-
-
-}  // namespace cricket
-
-#endif  // TALK_MEDIA_BASE_RTPUTILS_H_