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