musix 0.3.3

Music player library for esoteric audio formats (music from C64,Amiga etc)
Documentation 
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#include "AyflyPlugin.h"

#include <coreutils/utils.h>

#include "ayfly.h"

#include <set>

namespace musix {

class AyflyPlayer : public ChipPlayer
{
public:
    explicit AyflyPlayer(const std::string& fileName)
    {
        aysong = ay_initsong(fileName.c_str(), 44100);
        if (aysong == nullptr) { throw player_exception("Not an AY file"); }
        const auto* songName = ay_getsongname(aysong);
        const auto* songAuthor = ay_getsongauthor(aysong);
        unsigned long len = ay_getsonglength(aysong) / 50;
        if (len > 1000) { len = 0; }
        setMeta("title", songName, "composer", songAuthor, "length", len,
                "format", "AY (Spectrum)");
    }

    ~AyflyPlayer() override
    {
        if (aysong != nullptr) ay_closesong(&aysong);
    }

    int getSamples(int16_t* target, int noSamples) override
    {
        int rc = ay_rendersongbuffer(
            aysong, reinterpret_cast<unsigned char*>(target), noSamples);
        return rc / 2;
    }

    bool seekTo(int /*song*/, int /*seconds*/) override { return false; }

private:
    void* aysong{nullptr};
    bool started{false};
    bool ended{false};
};

static const std::set<std::string> supported_ext = {
    "stp2", "ay",  "psg", "asc", "stc", "psc", "sqt", "stp",
    "pt1",  "pt2", "pt3", "ftc", "vtx", "vt2", "zxs", "st13"};

bool AyflyPlugin::canHandle(const std::string& name)
{
    if (utils::toLower(name).find("/quartet") != std::string::npos)
        return false;
    return supported_ext.count(utils::path_extension(name)) > 0;
}

ChipPlayer* AyflyPlugin::fromFile(const std::string& name)
{
    return new AyflyPlayer{name};
};

} // namespace musix
extern "C" void ayflyplugin_register()
{
    musix::ChipPlugin::addPluginConstructor([](std::string const& config) {
        return std::make_shared<musix::AyflyPlugin>();
    });
}