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/*
* Copyright 2024 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 CALL_PAYLOAD_TYPE_H_
#define CALL_PAYLOAD_TYPE_H_
#include <cstdint>
#include <string>
#include "api/rtc_error.h"
#include "media/base/codec.h"
#include "rtc_base/strong_alias.h"
namespace webrtc {
class PayloadType : public StrongAlias<class PayloadTypeTag, uint8_t> {
public:
// Non-explicit conversions from and to ints are to be deprecated and
// removed once calling code is upgraded.
PayloadType(uint8_t pt) { value_ = pt; } // NOLINT: explicit
constexpr operator uint8_t() const& { return value_; } // NOLINT: Explicit
};
class PayloadTypeSuggester {
public:
virtual ~PayloadTypeSuggester() = default;
// Suggest a payload type for a given codec on a given media section.
// Media section is indicated by MID.
// The function will either return a PT already in use on the connection
// or a newly suggested one.
virtual RTCErrorOr<PayloadType> SuggestPayloadType(const std::string& mid,
cricket::Codec codec) = 0;
// Register a payload type as mapped to a specific codec for this MID
// at this time.
virtual RTCError AddLocalMapping(const std::string& mid,
PayloadType payload_type,
const cricket::Codec& codec) = 0;
};
} // namespace webrtc
#endif // CALL_PAYLOAD_TYPE_H_