rtppayloadanc.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_NETWORK
#include <cstddef>
#include <cstdint>
#include <promeki/ancpacket.h>
#include <promeki/buffer.h>
#include <promeki/enums.h>
#include <promeki/error.h>
#include <promeki/namespace.h>
#include <promeki/rtppacket.h>
#include <promeki/rtppayload.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class RtpPayloadAnc : public RtpPayload {
        public:
                static constexpr uint32_t ClockRate = 90000;
 
                static constexpr uint8_t DefaultPayloadType = 100;
 
                static constexpr size_t PayloadHeaderSize = 8;
 
                static constexpr size_t PerPacketHeaderSize = 4;
 
                enum class FieldIndication : uint8_t {
                        Progressive       = 0x0,
                        Invalid           = 0x1,
                        InterlacedField1  = 0x2,
                        InterlacedField2  = 0x3,
                };
 
                explicit RtpPayloadAnc(uint8_t payloadType = DefaultPayloadType);
 
                uint8_t payloadType() const override { return _payloadType; }
 
                uint32_t clockRate() const override { return ClockRate; }
 
                RtpPacket::List pack(const void *mediaData, size_t size) override;
 
                Buffer unpack(const RtpPacket::List &packets) override;
 
                ValidateResult validate(const Buffer &unpacked) override;
 
                void setPayloadType(uint8_t pt) { _payloadType = pt; }
 
                void setKeepAliveField(FieldIndication f);
 
                FieldIndication keepAliveField() const { return _keepAliveField; }
 
                RtpPacket::List packAncFrame(const AncPacket::List &packets,
                                             uint32_t                rtpTimestamp);
 
                Error unpackAncPackets(const RtpPacket::List &in,
                                       AncPacket::List       &out,
                                       AncChecksumPolicy      policy = AncChecksumPolicy::PreserveOrRecompute);
 
        private:
                uint8_t         _payloadType;
                FieldIndication _keepAliveField = FieldIndication::Progressive;
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_NETWORK