captionencoder.h

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#pragma once
 
 
#include <promeki/config.h>
#if PROMEKI_ENABLE_PROAV
#include <cstdint>
#include <promeki/cea708cdp.h>
#include <promeki/enums.h>
#include <promeki/error.h>
#include <promeki/framenumber.h>
#include <promeki/framerate.h>
#include <promeki/namespace.h>
#include <promeki/subtitle.h>
#include <promeki/uniqueptr.h>
 
PROMEKI_NAMESPACE_BEGIN
 
class CaptionEncoder {
        public:
                virtual ~CaptionEncoder() = default;
 
                CaptionEncoder(const CaptionEncoder &) = delete;
                CaptionEncoder &operator=(const CaptionEncoder &) = delete;
                CaptionEncoder(CaptionEncoder &&) = delete;
                CaptionEncoder &operator=(CaptionEncoder &&) = delete;
 
                struct Config {
                                FrameRate frameRate;
                                uint8_t serviceNumber = 1;
                                int32_t windowCols = 32;
                };
 
                virtual CaptionCodec codec() const = 0;
 
                virtual FrameRate frameRate() const = 0;
 
                virtual Error setSubtitles(const SubtitleList &subs) = 0;
 
                virtual SubtitleList encodableSubset(const SubtitleList &in,
                                                     SubtitleList      *outDropped = nullptr) const {
                        if (outDropped != nullptr) *outDropped = SubtitleList();
                        return in;
                }
 
                virtual Cea708Cdp::CcDataList nextFrame(FrameNumber frame) const = 0;
 
                virtual void reset() = 0;
 
                static UniquePtr<CaptionEncoder> create(CaptionCodec codec, const Config &cfg);
 
        protected:
                CaptionEncoder() = default;
};
 
PROMEKI_NAMESPACE_END
 
#endif // PROMEKI_ENABLE_PROAV