Move implmentation specific constants out of rtp_header_extension.h

webrtc/modules/rtp_rtcp/source/rtp_header_extension.h

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
 #ifndef WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSION_H_
 #define WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSION_H_
 
 #include <string>
 
 #include "webrtc/base/array_view.h"
 #include "webrtc/base/basictypes.h"
 #include "webrtc/base/checks.h"
 #include "webrtc/config.h"
 #include "webrtc/modules/rtp_rtcp/include/rtp_rtcp_defines.h"
 
 namespace webrtc {
 
-const uint16_t kRtpOneByteHeaderExtensionId = 0xBEDE;
-
-const size_t kRtpOneByteHeaderLength = 4;
-const size_t kTransmissionTimeOffsetLength = 4;
-const size_t kAudioLevelLength = 2;
-const size_t kAbsoluteSendTimeLength = 4;
-const size_t kVideoRotationLength = 2;
-const size_t kTransportSequenceNumberLength = 3;
-const size_t kPlayoutDelayLength = 4;
-
-// Playout delay in milliseconds. A playout delay limit (min or max)
-// has 12 bits allocated. This allows a range of 0-4095 values which translates
-// to a range of 0-40950 in milliseconds.
-const int kPlayoutDelayGranularityMs = 10;
-// Maximum playout delay value in milliseconds.
-const int kPlayoutDelayMaxMs = 40950;
-
 class RtpHeaderExtensionMap {
  public:
   static constexpr RTPExtensionType kInvalidType = kRtpExtensionNone;
   static constexpr uint8_t kInvalidId = 0;
 
   RtpHeaderExtensionMap();
   explicit RtpHeaderExtensionMap(rtc::ArrayView<const RtpExtension> extensions);
 
   template <typename Extension>
   bool Register(uint8_t id) {
@@ skipping 37 matching lines @@
 
   size_t total_values_size_bytes_ = 0;
   RTPExtensionType types_[kMaxId + 1];
   uint8_t ids_[kRtpExtensionNumberOfExtensions];
 };
 
 }  // namespace webrtc
 
 #endif  // WEBRTC_MODULES_RTP_RTCP_SOURCE_RTP_HEADER_EXTENSION_H_