st2110tx.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_NETWORK
#include <cstdint>
#include <promeki/duration.h>
#include <promeki/enums_rtp.h>
#include <promeki/framerate.h>
#include <promeki/namespace.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class St2110Tx {
        public:
                static constexpr double Beta = 1.10;
 
                static double activeRatio(int activeLines, int totalLines) {
                        if (activeLines <= 0 || totalLines <= 0) return 0.0;
                        return static_cast<double>(activeLines) /
                               static_cast<double>(totalLines);
                }
 
                static Duration trsGapped(int packetsPerFrame,
                                          const Duration &frameInterval,
                                          double          activeRatio);
 
                static Duration trsLinear(int packetsPerFrame,
                                          const Duration &frameInterval);
 
                static int64_t tvdUtcNs(int64_t frameAnchorUtcNs, int64_t frameIndex,
                                        const Duration &frameInterval,
                                        const Duration &trOffset = Duration::zero());
 
                static int64_t tprJUtcNs(int64_t tvdUtcNs, int packetIndex, const Duration &trs);
 
                static int64_t vrxFullNarrowBytes(int packetsPerFrame, int maxUdpBytes,
                                                  const Duration &frameInterval);
 
                static int cmaxNarrowPackets(int packetsPerFrame, double activeRatio,
                                             const Duration &frameInterval);
 
                static int64_t vrxFullWideBytes(int packetsPerFrame, int maxUdpBytes,
                                                const Duration &frameInterval);
 
                static int cmaxWidePackets(int packetsPerFrame, const Duration &frameInterval);
 
                static RtpSenderType resolveSenderType(const RtpPacingMode &pacingMode);
 
                static Duration troDefault(const RtpSenderType &senderType,
                                           int packetsPerFrame, const Duration &frameInterval,
                                           double activeRatio, int maxUdpBytes);
 
                static String tpFmtpValue(const RtpSenderType &senderType);
 
                static RtpSenderType senderTypeFromTp(const String &value);
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_NETWORK