AviWriter.hh

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// Code based on DOSBox-0.65
 
#ifndef AVIWRITER_HH
#define AVIWRITER_HH
 
#include "ZMBVEncoder.hh"
#include "File.hh"
#include "endian.hh"
#include <cstdint>
#include <span>
#include <vector>
 
namespace openmsx {
 
class Filename;
class FrameSource;
 
class AviWriter
{
public:
        AviWriter(const Filename& filename, unsigned width, unsigned height,
                  unsigned bpp, unsigned channels, unsigned freq);
        ~AviWriter();
        void addFrame(FrameSource* video, std::span<const int16_t> audio);
        void setFps(float fps_) { fps = fps_; }
 
private:
        void addAviChunk(std::span<const char, 4> tag, size_t size, const void* data, unsigned flags);
 
private:
        File file;
        ZMBVEncoder codec;
        std::vector<Endian::L32> index;
 
        float fps = 0.0f; // will be filled in later
        const uint32_t width;
        const uint32_t height;
        const uint32_t channels;
        const uint32_t audioRate;
 
        uint32_t frames = 0;
        uint32_t audioWritten = 0;
        uint32_t written = 0;
};
 
} // namespace openmsx
 
#endif