ntv2capabilities.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_NTV2
 
#include <promeki/list.h>
#include <promeki/namespace.h>
#include <promeki/pixelformat.h>
#include <promeki/sdisignalconfig.h>
#include <promeki/string.h>
 
class CNTV2Card;
 
PROMEKI_NAMESPACE_BEGIN
 
class Ntv2Capabilities {
        public:
                Ntv2Capabilities() = default;
 
                bool probe(CNTV2Card &card);
 
                bool isValid() const { return _valid; }
 
                // ---- Connector counts ----
 
                int sdiInputCount() const { return _sdiInputs; }
 
                int sdiOutputCount() const { return _sdiOutputs; }
 
                int hdmiInputCount() const { return _hdmiInputs; }
 
                int hdmiOutputCount() const { return _hdmiOutputs; }
 
                int audioSystemCount() const { return _audioSystems; }
 
                int channelCount() const { return _channels; }
 
                int cscCount() const { return _cscs; }
 
                // ---- Feature flags ----
 
                bool canDoMultiFormat() const { return _canDoMultiFormat; }
 
                bool hasBiDirectionalSdi() const { return _hasBiDirectionalSdi; }
 
                bool canDoCustomAnc() const { return _canDoCustomAnc; }
 
                bool canCapture() const { return _canCapture; }
 
                bool canPlayout() const { return _canPlayout; }
 
                // ---- Derived ----
 
                bool hasAudioCounter() const { return _audioSystems > 0; }
 
                bool supportsLinkStandard(const SdiLinkStandard &standard) const;
 
                bool supportsPixelFormat(PixelFormat::ID pixelFormat) const;
 
                String toString() const;
 
                static Ntv2Capabilities createForTest(int channelCount, int audioSystemCount,
                                                      int sdiInputs, int sdiOutputs,
                                                      bool canMultiFormat = true,
                                                      bool hasBiSdi      = true,
                                                      bool canDoAnc      = true,
                                                      int  cscCount      = 4);
 
        private:
                bool _valid               = false;
                int  _sdiInputs           = 0;
                int  _sdiOutputs          = 0;
                int  _hdmiInputs          = 0;
                int  _hdmiOutputs         = 0;
                int  _audioSystems        = 0;
                int  _channels            = 0;
                int  _cscs                = 0;
                bool _canDoMultiFormat    = false;
                bool _hasBiDirectionalSdi = false;
                bool _canDoCustomAnc      = false;
                bool _canCapture          = false;
                bool _canPlayout          = false;
 
                // Per-frame-buffer-format support bitmap (indexed by
                // NTV2FrameBufferFormat).  Sized to cover the entire
                // NTV2_FBF_* range with comfortable headroom; missed
                // formats hash to "not supported", which is the safe
                // default — the open path returns Error::NotSupported
                // and the planner splices a CSC bridge.
                static constexpr int kFbfMapSize = 128;
                bool                 _fbfSupported[kFbfMapSize] = {};
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_NTV2