55 lines
1.0 KiB
C++
55 lines
1.0 KiB
C++
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#include "file_mkv_reader.h"
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MKVReaderFILE::MKVReaderFILE(FILE *f) : f(f)
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{
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}
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MKVReaderFILE::MKVReaderFILE(const wchar_t *filename)
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{
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f = _wfopen(filename, L"rb");
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}
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int MKVReaderFILE::Read(void *buffer, size_t read_length, size_t *bytes_read)
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{
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*bytes_read = fread(buffer, 1, read_length, f);
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return nsmkv::READ_OK;
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}
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int MKVReaderFILE::Peek(void *buffer, size_t read_length, size_t *bytes_read)
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{
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*bytes_read = fread(buffer, 1, read_length, f);
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fseek(f, (long)(-read_length), SEEK_CUR);
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return nsmkv::READ_OK;
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}
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int MKVReaderFILE::Seek(uint64_t position)
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{
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fsetpos(f, (const fpos_t *)&position);
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return nsmkv::READ_OK;
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}
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uint64_t MKVReaderFILE::Tell()
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{
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uint64_t pos;
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fgetpos(f, (fpos_t *)&pos);
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return pos;
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}
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int MKVReaderFILE::Skip(uint64_t skip_bytes)
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{
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_fseeki64(f, skip_bytes, SEEK_CUR);
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return nsmkv::READ_OK;
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}
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MKVReaderFILE::~MKVReaderFILE()
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{
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fclose(f);
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}
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uint64_t MKVReaderFILE::GetContentLength()
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{
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uint64_t old = Tell();
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Seek(0);
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uint64_t content_length = Tell();
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Seek(old);
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return content_length;
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}
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