59 lines
2.1 KiB
C++
59 lines
2.1 KiB
C++
|
/**
|
||
|
|
* Copyright (c) 2020 Staz Modrzynski
|
||
|
|
* Copyright (c) 2020 Paul-Louis Ageneau
|
||
|
|
*
|
||
|
|
* This Source Code Form is subject to the terms of the Mozilla Public
|
||
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
||
|
|
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef RTC_MEDIA_HANDLER_H
|
||
|
|
#define RTC_MEDIA_HANDLER_H
|
||
|
|
|
||
|
|
#include "common.hpp"
|
||
|
|
#include "description.hpp"
|
||
|
|
#include "message.hpp"
|
||
|
|
|
||
|
|
namespace rtc {
|
||
|
|
|
||
|
|
class RTC_CPP_EXPORT MediaHandler : public std::enable_shared_from_this<MediaHandler> {
|
||
|
|
public:
|
||
|
|
MediaHandler();
|
||
|
|
virtual ~MediaHandler();
|
||
|
|
|
||
|
|
/// Called when a media is added or updated
|
||
|
|
/// @param desc Description of the media
|
||
|
|
virtual void media([[maybe_unused]] const Description::Media &desc) {}
|
||
|
|
|
||
|
|
/// Called when there is traffic coming from the peer
|
||
|
|
/// @param messages Incoming messages from the peer, can be modified by the handler
|
||
|
|
/// @param send Send callback to send messages back to the peer
|
||
|
|
virtual void incoming([[maybe_unused]] message_vector &messages, [[maybe_unused]] const message_callback &send) {}
|
||
|
|
|
||
|
|
/// Called when there is traffic that needs to be sent to the peer
|
||
|
|
/// @param messages Outgoing messages to the peer, can be modified by the handler
|
||
|
|
/// @param send Send callback to send messages back to the peer
|
||
|
|
virtual void outgoing([[maybe_unused]] message_vector &messages, [[maybe_unused]] const message_callback &send) {}
|
||
|
|
|
||
|
|
virtual bool requestKeyframe(const message_callback &send);
|
||
|
|
virtual bool requestBitrate(unsigned int bitrate, const message_callback &send);
|
||
|
|
|
||
|
|
void addToChain(shared_ptr<MediaHandler> handler);
|
||
|
|
void setNext(shared_ptr<MediaHandler> handler);
|
||
|
|
shared_ptr<MediaHandler> next();
|
||
|
|
shared_ptr<const MediaHandler> next() const;
|
||
|
|
shared_ptr<MediaHandler> last(); // never null
|
||
|
|
shared_ptr<const MediaHandler> last() const; // never null
|
||
|
|
|
||
|
|
void mediaChain(const Description::Media &desc);
|
||
|
|
void incomingChain(message_vector &messages, const message_callback &send);
|
||
|
|
void outgoingChain(message_vector &messages, const message_callback &send);
|
||
|
|
|
||
|
|
private:
|
||
|
|
shared_ptr<MediaHandler> mNext;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace rtc
|
||
|
|
|
||
|
|
#endif // RTC_MEDIA_HANDLER_H
|