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#pragma once
#include <bfc/platform/types.h>
#include "mkv_reader.h"
// IDs
// these are slightly different from the matroska spec because we specify
// values after vint decoding and they specify before
const uint32_t mkv_header=0xa45dfa3;
const uint32_t mkv_header_ebml_version=0x286;
const uint32_t mkv_header_ebml_read_version=0x2f7;
const uint32_t mkv_header_ebml_max_id_length=0x2f2;
const uint32_t mkv_header_ebml_max_size_length=0x2f3;
const uint32_t mkv_header_doctype=0x282;
const uint32_t mkv_header_doctype_read_version=0x285;
const uint32_t mkv_header_doctype_version=0x287;
namespace nsmkv
{
class Header
{
public:
// defaults provided as per spec for matroska
// *_found variables indicate whether the field was found in the file
Header() :
ebml_version(1),
ebml_read_version(1),
ebml_max_id_length(4),
ebml_max_size_length(8),
doctype(0),
doctype_version(1),
doctype_read_version(1),
ebml_header_found(false)
#ifdef WA_VALIDATE
,
ebml_version_found(false),
ebml_read_version_found(false),
ebml_max_id_length_found(false),
ebml_max_size_length_found(false),
doctype_version_found(false),
doctype_found(false),
doctype_read_version_found(false)
#endif
{
}
~Header()
{
if (doctype)
free(doctype);
}
void OwnDocType(char *_doctype)
{
if (doctype)
free(doctype);
doctype = _doctype;
}
uint64_t ebml_version;
uint64_t ebml_read_version;
uint64_t ebml_max_id_length;
uint64_t ebml_max_size_length;
char *doctype;
uint64_t doctype_version;
uint64_t doctype_read_version;
bool ebml_header_found;
#ifdef WA_VALIDATE
bool ebml_version_found;
bool ebml_read_version_found;
bool ebml_max_id_length_found;
bool doctype_found;
bool ebml_max_size_length_found;
bool doctype_version_found;
bool doctype_read_version_found;
#endif
};
// returns bytes read. 0 means EOF
uint64_t ReadHeader(nsmkv::MKVReader *reader, uint64_t size, nsmkv::Header &header);
};
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