1 /* 2 * Copyright 2012 The WebRTC project authors. All Rights Reserved. 3 * 4 * Use of this source code is governed by a BSD-style license 5 * that can be found in the LICENSE file in the root of the source 6 * tree. An additional intellectual property rights grant can be found 7 * in the file PATENTS. All contributing project authors may 8 * be found in the AUTHORS file in the root of the source tree. 9 */ 10 11 // TODO(deadbeef): Move this out of api/; it's an implementation detail and 12 // shouldn't be used externally. 13 14 #ifndef API_JSEP_SESSION_DESCRIPTION_H_ 15 #define API_JSEP_SESSION_DESCRIPTION_H_ 16 17 #include <memory> 18 #include <string> 19 #include <vector> 20 21 #include "absl/strings/string_view.h" 22 #include "api/candidate.h" 23 #include "api/jsep.h" 24 #include "api/jsep_ice_candidate.h" 25 #include "rtc_base/constructor_magic.h" 26 #include "rtc_base/deprecation.h" 27 28 namespace cricket { 29 class SessionDescription; 30 } 31 32 namespace webrtc { 33 34 // Implementation of SessionDescriptionInterface. 35 class JsepSessionDescription : public SessionDescriptionInterface { 36 public: 37 explicit JsepSessionDescription(SdpType type); 38 // TODO(steveanton): Remove this once callers have switched to SdpType. 39 explicit JsepSessionDescription(const std::string& type); 40 JsepSessionDescription( 41 SdpType type, 42 std::unique_ptr<cricket::SessionDescription> description, 43 absl::string_view session_id, 44 absl::string_view session_version); 45 virtual ~JsepSessionDescription(); 46 47 // Takes ownership of |description|. 48 bool Initialize(std::unique_ptr<cricket::SessionDescription> description, 49 const std::string& session_id, 50 const std::string& session_version); 51 description()52 virtual cricket::SessionDescription* description() { 53 return description_.get(); 54 } description()55 virtual const cricket::SessionDescription* description() const { 56 return description_.get(); 57 } session_id()58 virtual std::string session_id() const { return session_id_; } session_version()59 virtual std::string session_version() const { return session_version_; } GetType()60 virtual SdpType GetType() const { return type_; } type()61 virtual std::string type() const { return SdpTypeToString(type_); } 62 // Allows changing the type. Used for testing. 63 virtual bool AddCandidate(const IceCandidateInterface* candidate); 64 virtual size_t RemoveCandidates( 65 const std::vector<cricket::Candidate>& candidates); 66 virtual size_t number_of_mediasections() const; 67 virtual const IceCandidateCollection* candidates( 68 size_t mediasection_index) const; 69 virtual bool ToString(std::string* out) const; 70 71 static const int kDefaultVideoCodecId; 72 static const char kDefaultVideoCodecName[]; 73 74 private: 75 std::unique_ptr<cricket::SessionDescription> description_; 76 std::string session_id_; 77 std::string session_version_; 78 SdpType type_; 79 std::vector<JsepCandidateCollection> candidate_collection_; 80 81 bool GetMediasectionIndex(const IceCandidateInterface* candidate, 82 size_t* index); 83 int GetMediasectionIndex(const cricket::Candidate& candidate); 84 85 RTC_DISALLOW_COPY_AND_ASSIGN(JsepSessionDescription); 86 }; 87 88 } // namespace webrtc 89 90 #endif // API_JSEP_SESSION_DESCRIPTION_H_ 91