69 struct RTC_EXPORT Codec {  struct
78   virtual ~Codec();  argument
80   // Indicates if this codec is compatible with the specified codec.
81   bool Matches(const Codec& codec,
101   void IntersectFeedbackParams(const Codec& other);
105   Codec& operator=(const Codec& c);  argument
106   Codec& operator=(Codec&& c);  argument
108   bool operator==(const Codec& c) const;
110   bool operator!=(const Codec& c) const { return !(*this == c); }
113   // A Codec can't be created without a subclass.
114   // Creates a codec with the given parameters.
115   Codec(int id, const std::string& name, int clockrate);
116   // Creates an empty codec.
117   Codec();
118   Codec(const Codec& c);
119   Codec(Codec&& c);
122 struct AudioCodec : public Codec {
126   // Creates a codec with the given parameters.
132   // Creates an empty codec.
138   // Indicates if this codec is compatible with the specified codec.
139   bool Matches(const AudioCodec& codec,
154 struct RTC_EXPORT VideoCodec : public Codec {
159   // Creates a codec with the given parameters.
161   // Creates a codec with the given name and empty id.
163   // Creates an empty codec.
170   // Indicates if this video codec is the same as the other video codec, e.g. if
173   bool Matches(const VideoCodec& codec,
213 // Get the codec setting associated with `payload_type`. If there
214 // is no codec associated with that payload type it returns nullptr.
215 template <class Codec>
216 const Codec* FindCodecById(const std::vector<Codec>& codecs, int payload_type) {  in FindCodecById()
217   for (const auto& codec : codecs) {  in FindCodecById()  local
218     if (codec.id == payload_type)  in FindCodecById()
219       return &codec;  in FindCodecById()
224 bool HasLntf(const Codec& codec);
225 bool HasNack(const Codec& codec);
226 bool HasRemb(const Codec& codec);
227 bool HasRrtr(const Codec& codec);
228 bool HasTransportCc(const Codec& codec);
229 // Returns the first codec in `supported_codecs` that matches `codec`, or
230 // nullptr if no codec matches.
233     const VideoCodec& codec);