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This commit is contained in:
Jef 2024-09-24 14:54:57 +02:00
parent 537bcbc862
commit fc06254474
16440 changed files with 4239995 additions and 2 deletions
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108
Src/replicant/nsid3v2/extendedheader.cpp Normal file
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#include "extendedheader.h"
#include "util.h"
#include <string.h>
#include <stdlib.h>
#include "foundation/error.h"
ID3v2_21::ExtendedHeaderBase::ExtendedHeaderBase(const ID3v2::Header &_tagHeader) : tagHeader(_tagHeader)
{
memset(&headerData, 0, sizeof(ExtendedHeaderData));
data = 0;
data_size = 0;
}
uint32_t ID3v2_21::ExtendedHeaderBase::Size() const
{
return headerData.size;
}
int ID3v2_21::ExtendedHeaderBase::Parse(const void *_data, size_t len, size_t *bytes_read)
{
if (len < SIZE)
return 1;
if (tagHeader.Unsynchronised())
{
*bytes_read = ID3v2::Util::UnsynchroniseTo(&headerData, _data, SIZE);
}
else
{
memcpy(&headerData, _data, SIZE);
*bytes_read = SIZE;
}
_data = (const uint8_t *)_data+SIZE;
/* read any data after the header */
data_size = Size();
if (data_size)
{
/* sanity check size */
if (tagHeader.Unsynchronised())
{
if (ID3v2::Util::UnsynchronisedInputSize(_data, data_size) > len)
return 1;
}
else if (data_size > len)
return 1;
/* allocate and read data */
data = malloc(data_size);
if (tagHeader.Unsynchronised())
{
*bytes_read += ID3v2::Util::UnsynchroniseTo(data, _data, data_size);
}
else
{
memcpy(data, _data, data_size);
*bytes_read += data_size;
}
}
return 0;
}
/* === ID3v2.3 === */
ID3v2_3::ExtendedHeader::ExtendedHeader(const ID3v2::Header &_tagHeader) : ID3v2_21::ExtendedHeaderBase(_tagHeader)
{
}
/* === ID3v2.4 === */
ID3v2_4::ExtendedHeader::ExtendedHeader(const ID3v2::Header &_tagHeader) : ID3v2_21::ExtendedHeaderBase(_tagHeader)
{
}
uint32_t ID3v2_4::ExtendedHeader::Size() const
{
return ID3v2::Util::Int28To32(headerData.size);
}
int ID3v2_4::ExtendedHeader::Parse(const void *_data, size_t len, size_t *bytes_read)
{
if (len < SIZE)
return 1;
memcpy(&headerData, _data, SIZE);
*bytes_read = SIZE;
_data = (const uint8_t *)_data+SIZE;
/* read any data after the header */
data_size = Size();
if (data_size)
{
/* sanity check size */
if (data_size > len)
return 1;
/* allocate and read data */
data = malloc(data_size);
if (!data)
return NErr_OutOfMemory;
memcpy(data, _data, data_size);
*bytes_read += data_size;
}
return 0;
}