AviRecorder.hh

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#ifndef AVIRECORDER_HH
#define AVIRECORDER_HH
 
#include "Command.hh"
#include "EmuDuration.hh"
#include "EmuTime.hh"
#include "Mixer.hh"
#include <cstdint>
#include <memory>
#include <span>
#include <vector>
 
namespace openmsx {
 
class AviWriter;
class Filename;
class FrameSource;
class Interpreter;
class MSXMixer;
class PostProcessor;
class Reactor;
class TclObject;
class Wav16Writer;
 
class AviRecorder
{
public:
        static constexpr std::string_view VIDEO_DIR = "videos";
        static constexpr std::string_view AUDIO_DIR = "soundlogs";
        static constexpr std::string_view VIDEO_EXTENSION = ".avi";
        static constexpr std::string_view AUDIO_EXTENSION = ".wav";
 
public:
        explicit AviRecorder(Reactor& reactor);
        ~AviRecorder();
 
        void addWave(std::span<const StereoFloat> data);
        void addImage(const FrameSource* frame, EmuTime::param time);
        void stop();
        [[nodiscard]] unsigned getFrameHeight() const;
        [[nodiscard]] bool isRecording() const;
 
private:
        void start(bool recordAudio, bool recordVideo, bool recordMono,
                   bool recordStereo, const Filename& filename);
        void status(std::span<const TclObject> tokens, TclObject& result) const;
 
        void processStart (Interpreter& interp, std::span<const TclObject> tokens, TclObject& result);
        void processStop  (std::span<const TclObject> tokens);
        void processToggle(Interpreter& interp, std::span<const TclObject> tokens, TclObject& result);
 
private:
        Reactor& reactor;
 
        struct Cmd final : Command {
                explicit Cmd(CommandController& commandController);
                void execute(std::span<const TclObject> tokens, TclObject& result) override;
                [[nodiscard]] std::string help(std::span<const TclObject> tokens) const override;
                void tabCompletion(std::vector<std::string>& tokens) const override;
        } recordCommand;
 
        std::vector<int16_t> audioBuf;
        std::unique_ptr<AviWriter>   aviWriter; // can be nullptr
        std::unique_ptr<Wav16Writer> wavWriter; // can be nullptr
        std::vector<PostProcessor*> postProcessors;
        MSXMixer* mixer = nullptr;
        EmuDuration duration = EmuDuration::infinity();
        EmuTime prevTime = EmuTime::infinity();
        unsigned sampleRate;
        unsigned frameWidth;
        unsigned frameHeight = 0;
        bool warnedFps;
        bool warnedSampleRate;
        bool warnedStereo;
        bool stereo;
};
 
} // namespace openmsx
 
#endif