int CAPETag::GetFieldString(const str_utf16 * pFieldName, str_utf16 * pBuffer, int * pBufferCharacters)
{
if (m_bAnalyzed == FALSE) { Analyze(); }
int nRetVal = ERROR_UNDEFINED;
if (*pBufferCharacters > 0)
{
CAPETagField * pAPETagField = GetTagField(pFieldName);
if (pAPETagField == NULL)
{
// the field doesn't exist -- return an empty string
memset(pBuffer, 0, *pBufferCharacters * sizeof(str_utf16));
*pBufferCharacters = 0;
}
else if (pAPETagField->GetIsUTF8Text() || (m_nAPETagVersion < 2000))
{
// get the value in UTF-16 format
CSmartPtr<str_utf16> spUTF16;
if (m_nAPETagVersion >= 2000)
spUTF16.Assign(GetUTF16FromUTF8((str_utf8 *) pAPETagField->GetFieldValue()), TRUE);
else
spUTF16.Assign(GetUTF16FromANSI(pAPETagField->GetFieldValue()), TRUE);
// get the number of characters
int nCharacters = (wcslen(spUTF16) + 1);
if (nCharacters > *pBufferCharacters)
{
// we'll fail here, because it's not clear what would get returned (null termination, size, etc.)
// and we really don't want to cause buffer overruns on the client side
*pBufferCharacters = nCharacters;
}
else
{
// just copy in
*pBufferCharacters = nCharacters;
memcpy(pBuffer, spUTF16.GetPtr(), *pBufferCharacters * sizeof(str_utf16));
nRetVal = ERROR_SUCCESS;
}
}
else
{
// memset the whole buffer to NULL (so everything left over is NULL terminated)
memset(pBuffer, 0, *pBufferCharacters * sizeof(str_utf16));
// do a binary dump (need to convert from wchar's to bytes)
int nBufferBytes = (*pBufferCharacters - 1) * sizeof(str_utf16);
nRetVal = GetFieldBinary(pFieldName, pBuffer, &nBufferBytes);
*pBufferCharacters = (nBufferBytes / sizeof(str_utf16)) + 1;
}
}
return nRetVal;
}
bool CMyAPEInfo::GetFieldAsUtf8(wchar_t *pFieldName,CAPETag &tag, CSongMetaData::StringData &s)
{
CAPETagField * pAPETagField = tag.GetTagField(pFieldName);
if (pAPETagField == NULL)
{
return false;
}
else if (pAPETagField->GetIsUTF8Text() || (tag.GetAPETagVersion() < 2000))
{
if (tag.GetAPETagVersion() >= 2000)
s = pAPETagField->GetFieldValue();
else
s = ConvFromISO8859_1ToUTF8(pAPETagField->GetFieldValue());
}
else
{
wxASSERT(false);
return false;
}
return true;
}
HRESULT ApeDecoder::Open( LPWSTR strFileName, WAVEFORMATEX* pwfx, DWORD dwFlags )
{
//char ex[2048] = "ape";
//if(!isFile_ex(strFileName,ex))
//{
// return M_FILE_EXTENSION_NOT_EXPECTED;//E_FAIL;
//}
if(WAVEFILE_READ != dwFlags)
{
return M_INVALID_PARAMETERS;//E_FAIL;
}
int nRetVal = 0;
m_pAPEDecompress = CreateIAPEDecompress(strFileName,&nRetVal);
if(NULL == m_pAPEDecompress)
{
return M_APE_FAIL_CREATE_DECODER;//E_FAIL;
}
m_block_algin = m_pAPEDecompress->GetInfo(APE_INFO_BLOCK_ALIGN);
m_nWaveDataAllocSize = APE_BLOCKS_NUM * m_block_algin;
m_pWaveDataAlloc = (BYTE*) malloc(m_nWaveDataAllocSize);
m_pWaveDataBuffer = m_pWaveDataAlloc;
m_total_blocks = m_pAPEDecompress->GetInfo(APE_DECOMPRESS_TOTAL_BLOCKS);
m_id3.bitrate = m_pAPEDecompress->GetInfo(APE_DECOMPRESS_AVERAGE_BITRATE);
// get and set wave header
nRetVal = m_pAPEDecompress->GetInfo(APE_INFO_WAVEFORMATEX,(int) m_pwfx,0);
if(0 != nRetVal)
{
return M_APE_FAIL_GET_WAVE_INFO;//E_FAIL;
}
m_dwSize = m_pAPEDecompress->GetInfo(APE_INFO_WAV_DATA_BYTES);
if(m_dwSize <= 0)
{
return M_APE_FAIL_GET_INFO;//E_FAIL;
}
m_id3.duration_times = (float)m_dwSize / (float)m_pwfx->nAvgBytesPerSec;
m_id3.EmptyTags();
CAPETag * pAPETag = (CAPETag *) m_pAPEDecompress->GetInfo(APE_INFO_TAG);
BOOL bHasID3Tag = pAPETag->GetHasID3Tag();
BOOL bHasAPETag = pAPETag->GetHasAPETag();
if (bHasID3Tag || bHasAPETag)
{
// iterate through all the tag fields
CAPETagField * pTagField = pAPETag->GetTagField(APE_TAG_FIELD_TITLE);
if(pTagField)
{
/*printf("%X\n",pTagField->GetFieldValue()[0]);
printf("%X\n",pTagField->GetFieldValue()[1]);
printf("%X\n",pTagField->GetFieldValue()[2]);*/
if(pTagField->GetIsUTF8Text())
{
CCharWCharHelper cwh;
cwh.ZMultiByteToWideChar(pTagField->GetFieldValue(),ZUTF8);
m_id3.title.SetData(cwh.GetWideChar(),cwh.GetWideCharLength());
}
else
m_id3.title.SetData(pTagField->GetFieldValue(),strlen(pTagField->GetFieldValue()));
}
pTagField = pAPETag->GetTagField(APE_TAG_FIELD_ARTIST);
if(pTagField)
{
if(pTagField->GetIsUTF8Text())
{
CCharWCharHelper cwh;
cwh.ZMultiByteToWideChar(pTagField->GetFieldValue(),ZUTF8);
m_id3.artist.SetData(cwh.GetWideChar(),cwh.GetWideCharLength());
}
else
m_id3.artist.SetData(pTagField->GetFieldValue(),strlen(pTagField->GetFieldValue()));
}
pTagField = pAPETag->GetTagField(APE_TAG_FIELD_ALBUM);
if(pTagField)
{
if(pTagField->GetIsUTF8Text())
{
CCharWCharHelper cwh;
cwh.ZMultiByteToWideChar(pTagField->GetFieldValue(),ZUTF8);
m_id3.album.SetData(cwh.GetWideChar(),cwh.GetWideCharLength());
}
else
m_id3.album.SetData(pTagField->GetFieldValue(),strlen(pTagField->GetFieldValue()));
}
pTagField = pAPETag->GetTagField(APE_TAG_FIELD_YEAR);
if(pTagField)
{
if(pTagField->GetIsUTF8Text())
{
CCharWCharHelper cwh;
cwh.ZMultiByteToWideChar(pTagField->GetFieldValue(),ZUTF8);
m_id3.year.SetData(cwh.GetWideChar(),cwh.GetWideCharLength());
}
else
m_id3.year.SetData(pTagField->GetFieldValue(),strlen(pTagField->GetFieldValue()));
}
pTagField = pAPETag->GetTagField(APE_TAG_FIELD_COMMENT);
if(pTagField)
{
if(pTagField->GetIsUTF8Text())
{
CCharWCharHelper cwh;
cwh.ZMultiByteToWideChar(pTagField->GetFieldValue(),ZUTF8);
m_id3.comment.SetData(cwh.GetWideChar(),cwh.GetWideCharLength());
}
else
m_id3.comment.SetData(pTagField->GetFieldValue(),strlen(pTagField->GetFieldValue()));
}
pTagField = pAPETag->GetTagField(APE_TAG_FIELD_GENRE);
if(pTagField)
{
if(pTagField->GetIsUTF8Text())
{
CCharWCharHelper cwh;
cwh.ZMultiByteToWideChar(pTagField->GetFieldValue(),ZUTF8);
m_id3.genre.SetData(cwh.GetWideChar(),cwh.GetWideCharLength());
}
else
m_id3.genre.SetData(pTagField->GetFieldValue(),strlen(pTagField->GetFieldValue()));
}
}
return S_OK;
}
