/* * Copyright (c) 2020 The WebRTC project authors. All Rights Reserved. * * Use of this source code is governed by a BSD-style license * that can be found in the LICENSE file in the root of the source * tree. An additional intellectual property rights grant can be found * in the file PATENTS. All contributing project authors may * be found in the AUTHORS file in the root of the source tree.
*/
// VoipCodec interface currently provides any codec related interface // such as setting encoder and decoder types that are negotiated with // remote endpoint. Typically after SDP offer and answer exchange, // the local endpoint understands what are the codec payload types that // are used with negotiated codecs. This interface is subject to expand // as needed in future. // // This interface requires a channel id created via VoipBase interface. class VoipCodec { public: // Set encoder type here along with its payload type to use. // Returns following VoipResult; // kOk - sending codec is set as provided. // kInvalidArgument - `channel_id` is invalid. virtual VoipResult SetSendCodec(ChannelId channel_id, int payload_type, const SdpAudioFormat& encoder_spec) = 0;
// Set decoder payload type here. In typical offer and answer model, // this should be called after payload type has been agreed in media // session. Note that payload type can differ with same codec in each // direction. // Returns following VoipResult; // kOk - receiving codecs are set as provided. // kInvalidArgument - `channel_id` is invalid. virtual VoipResult SetReceiveCodecs(
ChannelId channel_id, const std::map<int, SdpAudioFormat>& decoder_specs) = 0;
protected: virtual ~VoipCodec() = default;
};
} // namespace webrtc
#endif// API_VOIP_VOIP_CODEC_H_
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