1 /* 2 * libjingle 3 * Copyright 2012 Google Inc. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright notice, 11 * this list of conditions and the following disclaimer in the documentation 12 * and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 18 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO 19 * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 20 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 21 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 22 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 23 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 24 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 25 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 // Implements the SessionDescriptionInterface. 29 30 #ifndef TALK_APP_WEBRTC_JSEPSESSIONDESCRIPTION_H_ 31 #define TALK_APP_WEBRTC_JSEPSESSIONDESCRIPTION_H_ 32 33 #include <string> 34 #include <vector> 35 36 #include "talk/app/webrtc/jsep.h" 37 #include "talk/app/webrtc/jsepicecandidate.h" 38 #include "webrtc/base/scoped_ptr.h" 39 40 namespace cricket { 41 class SessionDescription; 42 } 43 44 namespace webrtc { 45 46 class JsepSessionDescription : public SessionDescriptionInterface { 47 public: 48 explicit JsepSessionDescription(const std::string& type); 49 virtual ~JsepSessionDescription(); 50 51 // |error| can be NULL if don't care about the failure reason. 52 bool Initialize(const std::string& sdp, SdpParseError* error); 53 54 // Takes ownership of |description|. 55 bool Initialize(cricket::SessionDescription* description, 56 const std::string& session_id, 57 const std::string& session_version); 58 description()59 virtual cricket::SessionDescription* description() { 60 return description_.get(); 61 } description()62 virtual const cricket::SessionDescription* description() const { 63 return description_.get(); 64 } session_id()65 virtual std::string session_id() const { 66 return session_id_; 67 } session_version()68 virtual std::string session_version() const { 69 return session_version_; 70 } type()71 virtual std::string type() const { 72 return type_; 73 } 74 // Allow changing the type. Used for testing. set_type(const std::string & type)75 void set_type(const std::string& type) { type_ = type; } 76 virtual bool AddCandidate(const IceCandidateInterface* candidate); 77 virtual size_t number_of_mediasections() const; 78 virtual const IceCandidateCollection* candidates( 79 size_t mediasection_index) const; 80 virtual bool ToString(std::string* out) const; 81 82 // Default video encoder settings. The resolution is the max resolution. 83 // TODO(perkj): Implement proper negotiation of video resolution. 84 static const int kDefaultVideoCodecId; 85 static const int kDefaultVideoCodecFramerate; 86 static const char kDefaultVideoCodecName[]; 87 static const int kMaxVideoCodecWidth; 88 static const int kMaxVideoCodecHeight; 89 static const int kDefaultVideoCodecPreference; 90 91 private: 92 rtc::scoped_ptr<cricket::SessionDescription> description_; 93 std::string session_id_; 94 std::string session_version_; 95 std::string type_; 96 std::vector<JsepCandidateCollection> candidate_collection_; 97 98 bool GetMediasectionIndex(const IceCandidateInterface* candidate, 99 size_t* index); 100 101 RTC_DISALLOW_COPY_AND_ASSIGN(JsepSessionDescription); 102 }; 103 104 } // namespace webrtc 105 106 #endif // TALK_APP_WEBRTC_JSEPSESSIONDESCRIPTION_H_ 107