57 lines
1.8 KiB
C++
57 lines
1.8 KiB
C++
|
/**
|
||
|
|
* Copyright (c) 2023 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_AV1_RTP_PACKETIZER_H
|
||
|
|
#define RTC_AV1_RTP_PACKETIZER_H
|
||
|
|
|
||
|
|
#if RTC_ENABLE_MEDIA
|
||
|
|
|
||
|
|
#include "mediahandler.hpp"
|
||
|
|
#include "nalunit.hpp"
|
||
|
|
#include "rtppacketizer.hpp"
|
||
|
|
|
||
|
|
namespace rtc {
|
||
|
|
|
||
|
|
// RTP packetization of AV1 payload
|
||
|
|
class RTC_CPP_EXPORT AV1RtpPacketizer final : public RtpPacketizer {
|
||
|
|
public:
|
||
|
|
// Default clock rate for AV1 in RTP
|
||
|
|
inline static const uint32_t defaultClockRate = 90 * 1000;
|
||
|
|
|
||
|
|
// Define how OBUs are seperated in a AV1 Sample
|
||
|
|
enum class Packetization {
|
||
|
|
Obu = RTC_OBU_PACKETIZED_OBU,
|
||
|
|
TemporalUnit = RTC_OBU_PACKETIZED_TEMPORAL_UNIT,
|
||
|
|
};
|
||
|
|
|
||
|
|
// Constructs AV1 payload packetizer with given RTP configuration.
|
||
|
|
// @note RTP configuration is used in packetization process which may change some configuration
|
||
|
|
// properties such as sequence number.
|
||
|
|
AV1RtpPacketizer(Packetization packetization, shared_ptr<RtpPacketizationConfig> rtpConfig,
|
||
|
|
uint16_t maxFragmentSize = NalUnits::defaultMaximumFragmentSize);
|
||
|
|
|
||
|
|
void outgoing(message_vector &messages, const message_callback &send) override;
|
||
|
|
|
||
|
|
private:
|
||
|
|
shared_ptr<NalUnits> splitMessage(binary_ptr message);
|
||
|
|
std::vector<shared_ptr<binary>> packetizeObu(binary_ptr message, uint16_t maxFragmentSize);
|
||
|
|
|
||
|
|
const uint16_t maxFragmentSize;
|
||
|
|
const Packetization packetization;
|
||
|
|
std::shared_ptr<binary> sequenceHeader;
|
||
|
|
};
|
||
|
|
|
||
|
|
// For backward compatibility, do not use
|
||
|
|
using AV1PacketizationHandler [[deprecated("Add AV1RtpPacketizer directly")]] = PacketizationHandler;
|
||
|
|
|
||
|
|
} // namespace rtc
|
||
|
|
|
||
|
|
#endif /* RTC_ENABLE_MEDIA */
|
||
|
|
|
||
|
|
#endif /* RTC_AV1_RTP_PACKETIZER_H */
|