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#pragma once
#include "../nsavi/avi_reader.h"
#include "../nu/ringbuffer.h"
class AVIReaderWin32 : public nsavi::avi_reader, private Filler
{
public:
AVIReaderWin32();
~AVIReaderWin32();
int Open(const wchar_t *filename);
void Close();
/* avi_reader implementation */
uint64_t GetContentLength();
int Seek(uint64_t position);
private:
int Read(void *p_read_buffer, uint32_t read_length, uint32_t *bytes_read);
int Peek(void *p_read_buffer, uint32_t read_length, uint32_t *bytes_read);
void OverlappedHint(uint32_t read_length);
uint64_t Tell();
int Skip(uint32_t skip_bytes);
void GetFilename(wchar_t *fn, size_t len);
/* internal helpers */
void DoRead();
/* RingBuffer Filler implementation */
size_t Read(void *dest, size_t len);
HANDLE hFile; // i hate hungarian notation, but calling this hFile is a force of habit :)
RingBuffer _ring_buffer;
bool end_of_file;
LARGE_INTEGER position; // since we read ahead, we need to keep track of this separately
wchar_t *local_filename;
};
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