cea608encoder.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_PROAV
#include <cstdint>
#include <promeki/captionencoder.h>
#include <promeki/cea708cdp.h>
#include <promeki/enums_subtitle.h>
#include <promeki/error.h>
#include <promeki/framenumber.h>
#include <promeki/framerate.h>
#include <promeki/namespace.h>
#include <promeki/result.h>
#include <promeki/sharedptr.h>
#include <promeki/string.h>
#include <promeki/subtitle.h>
 
PROMEKI_NAMESPACE_BEGIN
 
struct Cea608EncoderImpl; // Pimpl — defined in cea608encoder.cpp.
 
class Cea608Encoder : public CaptionEncoder {
        public:
                enum class Mode {
                        PopOn  = 0, 
                        PaintOn = 1, 
                        RollUp  = 2, 
                };
 
                enum class Channel {
                        CC1 = 0, 
                        CC2 = 1, 
                        CC3 = 2, 
                        CC4 = 3, 
                };
 
                struct Config {
                                FrameRate frameRate;
                                Mode mode = Mode::PopOn;
                                Channel channel = Channel::CC1;
                                int32_t rollUpRows = 2;
                                int32_t maxCols = 32;
                                int32_t maxRows = 3;
                                bool doubleControls = true;
                };
 
                Cea608Encoder();
                explicit Cea608Encoder(Config cfg);
                ~Cea608Encoder() override;
 
                const Config &config() const;
 
                CaptionCodec codec() const override { return CaptionCodec(CaptionCodec::Cea608); }
 
                FrameRate frameRate() const override;
 
                Error setSubtitles(const SubtitleList &subs) override;
 
                void reset() override;
 
                Cea708Cdp::CcDataList nextFrame(FrameNumber frame) const override;
 
                FrameNumber earliestStartFor(const Subtitle &cue) const;
 
                SubtitleList encodableSubset(const SubtitleList &in,
                                             SubtitleList      *outDropped = nullptr) const override;
 
        private:
                SharedPtr<Cea608EncoderImpl> _d;
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_PROAV