myvtm/Other/libvideoframework/rtp_header_extension/rtp_header_extension_map.h

#ifndef MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_EXTENSION_MAP_H_
#define MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_EXTENSION_MAP_H_

#include <stdint.h>
#include <string>

#include "../rtp_header_extension/rtp_header_extension_defines.h"



class RtpHeaderExtensionMap {
 public:
  static const RTPExtensionType kInvalidType = kRtpExtensionNone;
  static const int kInvalidId = 0;

  RtpHeaderExtensionMap();
  explicit RtpHeaderExtensionMap(bool extmap_allow_mixed);

  template <typename Extension>
  bool Register(int id) {
    return Register(id, Extension::kId, Extension::kUri);
  }
  bool RegisterByType(int id, RTPExtensionType type);
  bool RegisterByUri(int id, const std::string& uri);

  bool IsRegistered(RTPExtensionType type) const {
    return GetId(type) != kInvalidId;
  }
  // Return kInvalidType if not found.
  RTPExtensionType GetType(int id) const;
  // Return kInvalidId if not found.
  uint8_t GetId(RTPExtensionType type) const {
    return ids_[type];
  }

  // TODO(danilchap): Remove use of the functions below.
  int32_t Register(RTPExtensionType type, int id) {
    return RegisterByType(id, type) ? 0 : -1;
  }
  int32_t Deregister(RTPExtensionType type);

  // Corresponds to the SDP attribute extmap-allow-mixed, see RFC8285.
  // Set to true if it's allowed to mix one- and two-byte RTP header extensions
  // in the same stream.
  bool ExtmapAllowMixed() const { return extmap_allow_mixed_; }
  void SetExtmapAllowMixed(bool extmap_allow_mixed) {
    extmap_allow_mixed_ = extmap_allow_mixed;
  }

 private:
  bool Register(int id, RTPExtensionType type, const char* uri);

  uint8_t ids_[kRtpExtensionNumberOfExtensions];
  bool extmap_allow_mixed_;
};


#endif  // MODULES_RTP_RTCP_INCLUDE_RTP_HEADER_EXTENSION_MAP_H_