36 lines
1010 B
C
36 lines
1010 B
C
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#pragma once
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#include "../nsavi/avi_reader.h"
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#include "../nu/ringbuffer.h"
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class AVIReaderWin32 : public nsavi::avi_reader, private Filler
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{
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public:
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AVIReaderWin32();
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~AVIReaderWin32();
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int Open(const wchar_t *filename);
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void Close();
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/* avi_reader implementation */
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uint64_t GetContentLength();
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int Seek(uint64_t position);
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private:
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int Read(void *p_read_buffer, uint32_t read_length, uint32_t *bytes_read);
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int Peek(void *p_read_buffer, uint32_t read_length, uint32_t *bytes_read);
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void OverlappedHint(uint32_t read_length);
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uint64_t Tell();
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int Skip(uint32_t skip_bytes);
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void GetFilename(wchar_t *fn, size_t len);
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/* internal helpers */
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void DoRead();
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/* RingBuffer Filler implementation */
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size_t Read(void *dest, size_t len);
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HANDLE hFile; // i hate hungarian notation, but calling this hFile is a force of habit :)
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RingBuffer _ring_buffer;
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bool end_of_file;
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LARGE_INTEGER position; // since we read ahead, we need to keep track of this separately
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wchar_t *local_filename;
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};
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