webrtc/api/voip/voip_codec.h
Tim Na c0df5fc25b VoIP API implementation on top of AudioIngress/Egress
This is one last CL that includes the rest of VoIP API implementation.

Bug: webrtc:11251
Change-Id: I3f1b0bf2fd48be864ffc73482105f9514f75f9e0
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/173860
Commit-Queue: Tim Na <natim@webrtc.org>
Reviewed-by: Per Åhgren <peah@webrtc.org>
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#31168}
2020-05-05 19:55:29 +00:00

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1.7 KiB
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/*
* 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.
*/
#ifndef API_VOIP_VOIP_CODEC_H_
#define API_VOIP_VOIP_CODEC_H_
#include <map>
#include "api/audio_codecs/audio_format.h"
#include "api/voip/voip_base.h"
namespace webrtc {
// 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.
virtual void 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.
virtual void SetReceiveCodecs(
ChannelId channel_id,
const std::map<int, SdpAudioFormat>& decoder_specs) = 0;
protected:
virtual ~VoipCodec() = default;
};
} // namespace webrtc
#endif // API_VOIP_VOIP_CODEC_H_