SipccSdpMediaSection.h

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

/* vim: set ts=2 et sw=2 tw=80: */

/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this file,

 * You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef _SIPCCSDPMEDIASECTION_H_

#define _SIPCCSDPMEDIASECTION_H_

#include "mozilla/Attributes.h"

#include "mozilla/UniquePtr.h"

#include "sdp/SdpMediaSection.h"

#include "sdp/SipccSdpAttributeList.h"

#include <map>

extern "C" {

#include "sipcc_sdp.h"

namespace mozilla {

class SipccSdp;

class SdpParser;

using InternalResults = SdpParser::InternalResults;

class SipccSdpBandwidths final : public std::map<std::string, uint32_t> {

 public:

  bool Load(sdp_t* sdp, uint16_t level, InternalResults& results);

  void Serialize(std::ostream& os) const;

};

class SipccSdpMediaSection final : public SdpMediaSection {

  friend class SipccSdp;

 public:

  ~SipccSdpMediaSection() {}

  virtual MediaType GetMediaType() const override { return mMediaType; }

  virtual unsigned int GetPort() const override;

  virtual void SetPort(unsigned int port) override;

  virtual unsigned int GetPortCount() const override;

  virtual Protocol GetProtocol() const override;

  virtual const SdpConnection& GetConnection() const override;

  virtual SdpConnection& GetConnection() override;

  virtual uint32_t GetBandwidth(const std::string& type) const override;

  virtual const std::vector<std::string>& GetFormats() const override;

  virtual const SdpAttributeList& GetAttributeList() const override;

  virtual SdpAttributeList& GetAttributeList() override;

  virtual SdpDirectionAttribute GetDirectionAttribute() const override;

  virtual void AddCodec(const std::string& pt, const std::string& name,

                        uint32_t clockrate, uint16_t channels) override;

  virtual void ClearCodecs() override;

  virtual void AddDataChannel(const std::string& name, uint16_t port,

                              uint16_t streams, uint32_t message_size) override;

  virtual void Serialize(std::ostream&) const override;

 private:

  SipccSdpMediaSection(size_t level, const SipccSdpAttributeList* sessionLevel)

      : SdpMediaSection(level),

        mMediaType(static_cast<MediaType>(0)),

        mPort(0),

        mPortCount(0),

        mProtocol(static_cast<Protocol>(0)),

        mAttributeList(sessionLevel) {}

  SipccSdpMediaSection(const SipccSdpMediaSection& aOrig,

                       const SipccSdpAttributeList* sessionLevel);

  bool Load(sdp_t* sdp, uint16_t level, InternalResults& results);

  bool LoadConnection(sdp_t* sdp, uint16_t level, InternalResults& results);

  bool LoadProtocol(sdp_t* sdp, uint16_t level, InternalResults& results);

  bool LoadFormats(sdp_t* sdp, uint16_t level, InternalResults& results);

  bool ValidateSimulcast(sdp_t* sdp, uint16_t level,

                         InternalResults& results) const;

  bool ValidateSimulcastVersions(

      sdp_t* sdp, uint16_t level,

      const SdpSimulcastAttribute::Versions& versions, sdp::Direction direction,

      InternalResults& results) const;

  // the following values are cached on first get

  MediaType mMediaType;

  uint16_t mPort;

  uint16_t mPortCount;

  Protocol mProtocol;

  std::vector<std::string> mFormats;

  UniquePtr<SdpConnection> mConnection;

  SipccSdpBandwidths mBandwidths;

  SipccSdpAttributeList mAttributeList;

};

}  // namespace mozilla

#endif