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16440 changed files with 4239995 additions and 2 deletions
363
Src/Winamp/ExtendedInfo.cpp
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363
Src/Winamp/ExtendedInfo.cpp
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#include "main.h"
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#include "api.h"
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#include "../nu/AutoWide.h"
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#include "../nu/AutoWideFn.h"
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#include "../nu/AutoChar.h"
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#include "../nu/AutoCharFn.h"
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#include "../nu/AutoLock.h"
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#include "../nu/ns_wc.h"
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#include <malloc.h>
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using namespace Nullsoft::Utility;
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/* Get Extended File Info */
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typedef int (__cdecl *GetANSIInfo)(const char *fn, const char *data, char *dest, size_t destlen);
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typedef int (__cdecl *GetUnicodeInfo)(const wchar_t *fn, const char *data, wchar_t *dest, size_t destlen);
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int ConvertGetExtendedFileInfo(GetUnicodeInfo getter, const char *fn, const char *data, char *dest, size_t destlen)
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{
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wchar_t *destW = 0;
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if (dest && destlen)
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{
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destW = (wchar_t *)_malloca(destlen * sizeof(wchar_t));
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memset(destW, 0, destlen * sizeof(wchar_t));
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}
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int retVal = getter(AutoWideFn(fn), data, destW, destlen);
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if (retVal && dest && destlen)
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WideCharToMultiByteSZ(CP_ACP, 0, destW, -1, dest, (int)destlen, 0, 0);
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if (destW) _freea(destW);
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return retVal;
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}
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int ConvertGetExtendedFileInfo(GetANSIInfo getter, const char *fn, const char *data, wchar_t *dest, size_t destlen)
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{
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char *destA = 0;
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if (dest && destlen)
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{
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destA = (char *)_malloca(destlen * sizeof(char));
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memset(destA, 0, destlen * sizeof(char));
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}
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int retVal = getter(fn, data, destA, destlen);
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if (retVal && dest && destlen)
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MultiByteToWideCharSZ(CP_ACP, 0, destA, -1, dest, (int)destlen);
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if (destA) _freea(destA);
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return retVal;
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}
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static GetANSIInfo gefi;
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static GetUnicodeInfo gefiW;
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static char cachedExt[16];
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LockGuard getMetadataGuard;
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int in_get_extended_fileinfo(const char *fn, const char *metadata, char *dest, size_t destlen)
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{
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AutoLock lock(getMetadataGuard);
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In_Module *i=0;
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char ext[16] = {0};
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int a = 0;
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// do some extra checks on the params as quite a few clients crash when accessing here
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try {
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if (destlen > 65536 || destlen == 0 || !fn || (unsigned int)(ULONG_PTR)fn < 65536 ||
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fn && !*fn || !metadata || (unsigned int)(ULONG_PTR)metadata < 65536 ||
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metadata && !*metadata || !dest || (unsigned int)(ULONG_PTR)dest < 65536)
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return 0;
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} catch (...) {
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return 0;
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}
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if (dest)
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memset(dest, 0, destlen);
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extension_ex(fn, ext, sizeof(ext));
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if (!_stricmp(cachedExt, ext) && *ext)
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{
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if (gefi)
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return gefi(fn, metadata, dest, destlen);
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else if (gefiW) // should always be true if we got this far
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return ConvertGetExtendedFileInfo(gefiW, fn, metadata, dest, destlen);
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else
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return 0;
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}
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while (a >= 0)
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{
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i = in_setmod_noplay(AutoWideFn(fn), &a);
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if (!i)
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break;
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if (a >= 0) a++;
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lstrcpynA(cachedExt, ext, sizeof(cachedExt)/sizeof(*cachedExt));
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gefi = (GetANSIInfo)GetProcAddress(i->hDllInstance, "winampGetExtendedFileInfo");
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gefiW = (GetUnicodeInfo)GetProcAddress(i->hDllInstance, "winampGetExtendedFileInfoW");
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if (gefi || gefiW)
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break;
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}
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// if no one claimed it, then check if it's the currently playing track
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// benski> TODO: there is a race condition here. In theory, in_mod could change between the lstrcmpiW and the assignment
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if (!i && !lstrcmpiW(FileName, AutoWide(fn)))
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{
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i=in_mod;
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if (i)
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{
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cachedExt[0]=0;
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gefi = (GetANSIInfo)GetProcAddress(i->hDllInstance, "winampGetExtendedFileInfo");
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gefiW = (GetUnicodeInfo)GetProcAddress(i->hDllInstance, "winampGetExtendedFileInfoW");
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}
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}
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if (!i)
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return 0;
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if (gefi)
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return gefi(fn, metadata, dest, destlen);
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else if (gefiW)
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return ConvertGetExtendedFileInfo(gefiW, fn, metadata, dest, destlen);
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else
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return 0;
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}
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int in_get_extended_fileinfoW(const wchar_t *fn, const wchar_t *metadata, wchar_t *dest, size_t destlen)
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{
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AutoLock lock(getMetadataGuard);
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In_Module *i=0;
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char ext[16] = {0};
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int a = 0;
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// do some extra checks on the params as quite a few clients crash when accessing here
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try {
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if (destlen > 65536 || destlen == 0 || !fn || (unsigned int)(ULONG_PTR)fn < 65536 ||
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fn && !*fn || !metadata || (unsigned int)(ULONG_PTR)metadata < 65536 ||
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metadata && !*metadata || !dest || (unsigned int)(ULONG_PTR)dest < 65536)
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return 0;
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} catch (...) {
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return 0;
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}
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if (dest)
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memset(dest, 0, destlen);
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AutoCharFn charFn(fn);
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extension_ex(charFn, ext, sizeof(ext));
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if (!_stricmp(cachedExt, ext) && *ext)
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{
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if (gefiW) // should always be true if we got this far
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return gefiW(fn, AutoChar(metadata), dest, destlen);
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if (gefi)
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return ConvertGetExtendedFileInfo(gefi, charFn, AutoChar(metadata), dest, destlen);
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else
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return 0;
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}
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while (a >= 0)
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{
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i = in_setmod_noplay(fn, &a);
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if (!i)
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break;
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if (a >= 0) a++;
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lstrcpynA(cachedExt, ext, sizeof(cachedExt)/sizeof(*cachedExt));
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gefi = (GetANSIInfo)GetProcAddress(i->hDllInstance, "winampGetExtendedFileInfo");
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gefiW = (GetUnicodeInfo)GetProcAddress(i->hDllInstance, "winampGetExtendedFileInfoW");
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if (gefi || gefiW)
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break;
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}
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// if no one claimed it, then check if it's the currently playing track
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// benski> TODO: there is a race condition here. In theory, in_mod could change between the lstrcmpiW and the assignment
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if (!i && !lstrcmpiW(FileName, fn)) // currently playing file?
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{
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i=in_mod;
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if (i)
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{
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cachedExt[0]=0;
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gefi = (GetANSIInfo)GetProcAddress(i->hDllInstance, "winampGetExtendedFileInfo");
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gefiW = (GetUnicodeInfo)GetProcAddress(i->hDllInstance, "winampGetExtendedFileInfoW");
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}
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}
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if (!i)
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return 0;
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if (gefiW)
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return gefiW(fn, AutoChar(metadata), dest, destlen);
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else if (gefi)
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return ConvertGetExtendedFileInfo(gefi, charFn, AutoChar(metadata), dest, destlen);
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else
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return 0;
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}
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/* Set Extended File Info */
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typedef int (__cdecl *SetANSIInfo)(const char *fn, const char *metadata, const char *data);
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typedef int (__cdecl *SetUnicodeInfo)(const wchar_t *fn, const char *metadata, const wchar_t *data);
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static SetANSIInfo sefi;
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static SetUnicodeInfo sefiW;
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static int (*wefi)();
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static char cachedExtSet[16];
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static int ConvertSetExtendedFileInfo(SetUnicodeInfo setter, const char *fn, const char *metadata, const char *data)
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{
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return setter(AutoWide(fn), metadata, AutoWide(data));
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}
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static int ConvertSetExtendedFileInfo(SetANSIInfo setter, const char *fn, const char *metadata, const wchar_t *data)
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{
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return setter(fn, metadata, AutoChar(data));
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}
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int in_set_extended_fileinfo(const char *fn, const char *metadata, char *data)
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{
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AutoLock lock(getMetadataGuard);
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char ext[16] = {0};
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int a = 0;
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extension_ex(fn, ext, sizeof(ext));
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if (!_stricmp(cachedExtSet, ext) && *ext)
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{
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if (sefi)
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return sefi(fn, metadata, data);
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else if (sefiW)
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return ConvertSetExtendedFileInfo(sefiW, fn, metadata, data);
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else
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return 0;
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}
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while (a >= 0)
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{
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wefi = NULL;
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sefi = NULL; // if we fail finding an input plugin, dont let in_write_extended_fileinfo work :)
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sefiW = NULL;
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In_Module *i = in_setmod_noplay(AutoWideFn(fn), &a);
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if (a >= 0) a++;
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cachedExtSet[0] = 0;
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if (!i) return 0;
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lstrcpynA(cachedExtSet, ext, 16);
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sefi = (SetANSIInfo)GetProcAddress(i->hDllInstance, "winampSetExtendedFileInfo");
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sefiW = (SetUnicodeInfo)GetProcAddress(i->hDllInstance, "winampSetExtendedFileInfoW");
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wefi = (int (__cdecl *)())GetProcAddress(i->hDllInstance, "winampWriteExtendedFileInfo");
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if (sefi || sefiW) break;
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}
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if (sefi)
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return sefi(fn, metadata, data);
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else if (sefiW)
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return ConvertSetExtendedFileInfo(sefiW, fn, metadata, data);
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else
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return 0;
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}
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int in_set_extended_fileinfoW(const wchar_t *fn, const wchar_t *metadata, wchar_t *data)
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{
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AutoLock lock(getMetadataGuard);
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char ext[16] = {0};
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int a = 0;
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AutoCharFn charFn(fn);
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extension_ex(charFn, ext, sizeof(ext));
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if (!_stricmp(cachedExtSet, ext) && *ext)
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{
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if (sefiW)
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return sefiW(fn, AutoChar(metadata), data);
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else if (sefi)
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return ConvertSetExtendedFileInfo(sefi, charFn, AutoChar(metadata), data);
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else
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return 0;
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}
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while (a >= 0)
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{
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wefi = NULL;
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sefi = NULL; // if we fail finding an input plugin, dont let in_write_extended_fileinfo work :)
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sefiW = NULL;
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In_Module *i = in_setmod_noplay(fn, &a);
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if (a >= 0) a++;
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cachedExtSet[0] = 0;
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if (!i) return 0;
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lstrcpynA(cachedExtSet, ext, 16);
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sefi = (SetANSIInfo)GetProcAddress(i->hDllInstance, "winampSetExtendedFileInfo");
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sefiW = (SetUnicodeInfo)GetProcAddress(i->hDllInstance, "winampSetExtendedFileInfoW");
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wefi = (int (__cdecl *)())GetProcAddress(i->hDllInstance, "winampWriteExtendedFileInfo");
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if (sefi || sefiW) break;
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}
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if (sefiW)
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return sefiW(fn, AutoChar(metadata), data);
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else if (sefi)
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return ConvertSetExtendedFileInfo(sefi, charFn, AutoChar(metadata), data);
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else
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return 0;
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}
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int in_write_extended_fileinfo()
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{
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AutoLock lock(getMetadataGuard);
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if (!wefi)
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return 0;
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return
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wefi();
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}
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inline void COPY_METADATA(const wchar_t *src, const wchar_t *dest, const wchar_t *item, wchar_t *buf, size_t buflen)
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{
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if (NULL != src && NULL != item && NULL != buf)
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{
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buf[0]=0;
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extendedFileInfoStructW efis=
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{
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src,
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item,
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buf,
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buflen,
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};
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if (SendMessageW(hMainWindow,WM_WA_IPC,(WPARAM)&efis,IPC_GET_EXTENDED_FILE_INFOW_HOOKABLE))
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in_set_extended_fileinfoW(dest, item, buf);
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}
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}
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//#define COPY_METADATA(src, dest, item, buf, buflen) { buf[0]=0; if (in_get_extended_fileinfoW(src, item, buf, buflen)) in_set_extended_fileinfoW(dest, item, buf); }
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void CopyExtendedFileInfo(const wchar_t *source, const wchar_t *destination)
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{
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wchar_t bigData[32768] = {0}; // hopefully big enough for all reasonable metadata
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COPY_METADATA(source, destination, L"title", bigData, 32768);
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COPY_METADATA(source, destination, L"artist", bigData, 32768);
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COPY_METADATA(source, destination, L"albumartist", bigData, 32768);
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COPY_METADATA(source, destination, L"album", bigData, 32768);
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COPY_METADATA(source, destination, L"genre", bigData, 32768);
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COPY_METADATA(source, destination, L"year", bigData, 32768);
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COPY_METADATA(source, destination, L"disc", bigData, 32768);
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COPY_METADATA(source, destination, L"publisher", bigData, 32768);
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COPY_METADATA(source, destination, L"comment", bigData, 32768);
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COPY_METADATA(source, destination, L"track", bigData, 32768);
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COPY_METADATA(source, destination, L"tool", bigData, 32768);
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COPY_METADATA(source, destination, L"composer", bigData, 32768);
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COPY_METADATA(source, destination, L"conductor", bigData, 32768);
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COPY_METADATA(source, destination, L"bpm", bigData, 32768);
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COPY_METADATA(source, destination, L"GracenoteFileID", bigData, 32768);
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COPY_METADATA(source, destination, L"GracenoteExtData", bigData, 32768);
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in_write_extended_fileinfo();
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//albumArt->CopyAlbumArt(source, destination);
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}
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