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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
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parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
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diff --git a/media/webrtc/signaling/src/sdp/SdpHelper.h b/media/webrtc/signaling/src/sdp/SdpHelper.h
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+/* 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 _SDPHELPER_H_
+#define _SDPHELPER_H_
+
+#include "nsError.h"
+
+#include "signaling/src/sdp/SdpMediaSection.h"
+#include "signaling/src/sdp/SdpAttribute.h"
+
+#include "m_cpp_utils.h"
+
+#include <string>
+#include <map>
+#include <vector>
+
+namespace mozilla {
+class SdpMediaSection;
+class Sdp;
+
+class SdpHelper {
+ public:
+ enum MsectionBundleType {
+ kNoBundle,
+ kSlaveBundle,
+ kMasterBundle
+ };
+
+ // Takes a std::string* into which error strings will be written for the
+ // lifetime of the SdpHelper.
+ explicit SdpHelper(std::string* errorDest) : mLastError(*errorDest) {}
+ ~SdpHelper() {}
+
+ nsresult GetComponent(const std::string& candidate, size_t* component);
+ nsresult CopyTransportParams(size_t numComponents,
+ const SdpMediaSection& source,
+ SdpMediaSection* dest);
+ bool AreOldTransportParamsValid(const Sdp& oldAnswer,
+ const Sdp& offerersPreviousSdp,
+ const Sdp& newOffer,
+ size_t level);
+ bool IceCredentialsDiffer(const SdpMediaSection& msection1,
+ const SdpMediaSection& msection2);
+
+ bool MsectionIsDisabled(const SdpMediaSection& msection) const;
+ static void DisableMsection(Sdp* sdp, SdpMediaSection* msection);
+
+ // Maps each mid to the m-section that is the master of its bundle.
+ // Mids that do not appear in an a=group:BUNDLE do not appear here.
+ typedef std::map<std::string, const SdpMediaSection*> BundledMids;
+
+ nsresult GetBundledMids(const Sdp& sdp, BundledMids* bundledMids);
+
+ bool IsBundleSlave(const Sdp& localSdp, uint16_t level);
+ void GetBundleGroups(
+ const Sdp& sdp,
+ std::vector<SdpGroupAttributeList::Group>* groups) const;
+
+ nsresult GetMidFromLevel(const Sdp& sdp,
+ uint16_t level,
+ std::string* mid);
+ nsresult GetIdsFromMsid(const Sdp& sdp,
+ const SdpMediaSection& msection,
+ std::string* streamId,
+ std::string* trackId);
+ nsresult GetMsids(const SdpMediaSection& msection,
+ std::vector<SdpMsidAttributeList::Msid>* msids);
+ nsresult ParseMsid(const std::string& msidAttribute,
+ std::string* streamId,
+ std::string* trackId);
+ nsresult AddCandidateToSdp(Sdp* sdp,
+ const std::string& candidate,
+ const std::string& mid,
+ uint16_t level);
+ void SetIceGatheringComplete(Sdp* sdp,
+ uint16_t level,
+ BundledMids bundledMids);
+ void SetDefaultAddresses(const std::string& defaultCandidateAddr,
+ uint16_t defaultCandidatePort,
+ const std::string& defaultRtcpCandidateAddr,
+ uint16_t defaultRtcpCandidatePort,
+ Sdp* sdp,
+ uint16_t level,
+ BundledMids bundledMids);
+ void SetDefaultAddresses(const std::string& defaultCandidateAddr,
+ uint16_t defaultCandidatePort,
+ const std::string& defaultRtcpCandidateAddr,
+ uint16_t defaultRtcpCandidatePort,
+ SdpMediaSection* msection);
+ void SetupMsidSemantic(const std::vector<std::string>& msids,
+ Sdp* sdp) const;
+ MsectionBundleType GetMsectionBundleType(const Sdp& sdp,
+ uint16_t level,
+ BundledMids& bundledMids,
+ std::string* masterMid) const;
+
+ std::string GetCNAME(const SdpMediaSection& msection) const;
+
+ SdpMediaSection* FindMsectionByMid(Sdp& sdp,
+ const std::string& mid) const;
+
+ const SdpMediaSection* FindMsectionByMid(const Sdp& sdp,
+ const std::string& mid) const;
+
+ nsresult CopyStickyParams(const SdpMediaSection& source,
+ SdpMediaSection* dest);
+ bool HasRtcp(SdpMediaSection::Protocol proto) const;
+ static SdpMediaSection::Protocol GetProtocolForMediaType(
+ SdpMediaSection::MediaType type);
+ void appendSdpParseErrors(
+ const std::vector<std::pair<size_t, std::string> >& aErrors,
+ std::string* aErrorString);
+
+ static bool GetPtAsInt(const std::string& ptString, uint16_t* ptOutparam);
+
+ void AddCommonExtmaps(
+ const SdpMediaSection& remoteMsection,
+ const std::vector<SdpExtmapAttributeList::Extmap>& localExtensions,
+ SdpMediaSection* localMsection);
+
+ private:
+ std::string& mLastError;
+
+ DISALLOW_COPY_ASSIGN(SdpHelper);
+};
+} // namespace mozilla
+
+#endif // _SDPHELPER_H_
+