winamp/Src/Plugins/Library/ml_plg/playlist.cpp

636 lines
20 KiB
C++

#include "playlist.h"
#include <shlwapi.h>
#include "main.h"
#include "api__ml_plg.h"
#include "../nu/MediaLibraryInterface.h"
#include "impl_playlist.h"
//#import "../gracenote/CDDBControlWinamp.dll" no_namespace, named_guids, raw_interfaces_only
#include "../gracenote/cddbcontrolwinamp.tlh"
#include "../winamp/ipc_pe.h"
#include "resource.h"
#include <strsafe.h>
//extern Playlist currentPlaylist;
ICddbPlaylist25Mgr *playlistMgr;
ICddbMLDBManager *mldbMgr;
Playlist currentPlaylist;
Playlist seedPlaylist;
class PlaylistEventHandler : public DPlaylist2Events
{
STDMETHODIMP STDMETHODCALLTYPE QueryInterface(REFIID riid, PVOID *ppvObject)
{
if (!ppvObject)
return E_POINTER;
else if (IsEqualIID(riid, __uuidof(DPlaylist2Events)))
*ppvObject = (DPlaylist2Events *)this;
else if (IsEqualIID(riid, IID_IDispatch))
*ppvObject = (IDispatch *)this;
else if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = this;
else
{
*ppvObject = NULL;
return E_NOINTERFACE;
}
AddRef();
return S_OK;
}
ULONG STDMETHODCALLTYPE AddRef(void)
{
return 1;
}
ULONG STDMETHODCALLTYPE Release(void)
{
return 0;
}
HRESULT STDMETHODCALLTYPE Invoke(DISPID dispid, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS FAR *pdispparams, VARIANT FAR *pvarResult, EXCEPINFO FAR * pexecinfo, unsigned int FAR *puArgErr)
{
switch (dispid)
{
case 1:
break;
case 2:
break;
case 3:
break;
case 4:
break;
case 5:
break;
}
return DISP_E_MEMBERNOTFOUND;
}
HRESULT STDMETHODCALLTYPE GetIDsOfNames(REFIID riid, OLECHAR FAR* FAR* rgszNames, unsigned int cNames, LCID lcid, DISPID FAR* rgdispid)
{
*rgdispid = DISPID_UNKNOWN;
return DISP_E_UNKNOWNNAME;
}
HRESULT STDMETHODCALLTYPE GetTypeInfo(unsigned int itinfo, LCID lcid, ITypeInfo FAR* FAR* pptinfo)
{
return E_NOTIMPL;
}
HRESULT STDMETHODCALLTYPE GetTypeInfoCount(unsigned int FAR * pctinfo)
{
return E_NOTIMPL;
}
};
static IConnectionPoint *GetConnectionPoint(IUnknown *punk, REFIID riid)
{
if (!punk)
return 0;
IConnectionPointContainer *pcpc;
IConnectionPoint *pcp = 0;
HRESULT hr = punk->QueryInterface(IID_IConnectionPointContainer, (void **) & pcpc);
if (SUCCEEDED(hr))
{
pcpc->FindConnectionPoint(riid, &pcp);
pcpc->Release();
}
return pcp;
}
static PlaylistEventHandler events;
static DWORD m_dwCookie = 0;
//static DWORD m_dwCookie_MldbMgr = 0;
bool SetupPlaylistSDK()
{
if (!playlistMgr)
{
//playlistMgr = AGAVE_API_GRACENOTE->GetPlaylistManager();
//AGAVE_API_GRACENOTE->GetPlaylistManagerWithMLDBManager(&playlistMgr, &mldbMgr);
AGAVE_API_GRACENOTE->GetPlaylistManager(&playlistMgr, &mldbMgr);
IConnectionPoint *icp = GetConnectionPoint(playlistMgr, DIID_DPlaylist2Events);
if (icp)
{
icp->Advise(static_cast<IDispatch *>(&events), &m_dwCookie);
icp->Release();
}
}
return !!playlistMgr;
}
void ShutdownPlaylistSDK()
{
if (playlistMgr)
{
if (mldbMgr)
{
mldbMgr->Detach(playlistMgr); // Detach the mldb manager from the playlist manager if it is not null
}
IConnectionPoint *icp = GetConnectionPoint(playlistMgr, DIID_DPlaylist2Events);
if (icp)
{
icp->Unadvise(m_dwCookie);
icp->Release();
}
if (mldbMgr)
mldbMgr->Release(); // Release the mldb manager if its not null
playlistMgr->Shutdown();
playlistMgr->Release();
}
mldbMgr=0;
playlistMgr=0;
}
// Caller must cleanup the BSTR
BSTR SetAndCreatePath(/*wchar_t *path_to_create,*/ const wchar_t *node)
{
wchar_t path_to_create[MAX_PATH] = {0};
BSTR bPath = 0;
PathCombineW(path_to_create, WASABI_API_APP->path_getUserSettingsPath(), L"Plugins");
CreateDirectoryW(path_to_create, 0);
PathAppendW(path_to_create, node);
CreateDirectoryW(path_to_create, 0);
bPath = SysAllocString(path_to_create);
return bPath;
// modified path as return value
}
// IMPORTANT: Make sure to call this on the gracenote dedicated thread.
int RestoreGracenoteMLDB(void)
{
long restoreFlags = PL_MLDB_RESTORE_BASE | PL_MLDB_RESTORE_INDEX;
//wchar_t backupPath[MAX_PATH] = {0};
BSTR bDataPath = SetAndCreatePath(GRACENOTE_DB_BASE_PATH);
BSTR bBackupPath = SetAndCreatePath(GRACENOTE_DB_BACKUP_PATH);
// Restore the db files.
mldbMgr->RestoreDBFiles(restoreFlags, bDataPath, bBackupPath);
SysFreeString(bDataPath);
SysFreeString(bBackupPath);
return NErr_Success;
}
// Backs up the gracenote MLDB so that it can be restored on corruption
// IMPORTANT: Make sure to call this on the gracenote dedicated thread.
int BackupGracenoteMLDB(void)
{
long backupFlags = PL_MLDB_BACKUP_BASE | PL_MLDB_BACKUP_INDEX;
//wchar_t backupPath[MAX_PATH] = {0};
BSTR bDataPath = SetAndCreatePath(GRACENOTE_DB_BASE_PATH);
BSTR bBackupPath = SetAndCreatePath(GRACENOTE_DB_BACKUP_PATH);
// Backup the db files.
mldbMgr->BackupDBFiles(backupFlags, bDataPath, bBackupPath);
SysFreeString(bDataPath);
SysFreeString(bBackupPath);
return NErr_Success;
}
/*BOOL DeleteGracenoteFile(char *filename)
{
BOOL result;
char path[MAX_PATH] = {0};
//PathCombineA(path,mediaLibrary.GetIniDirectory(),"Plugins\\Gracenote");
PathCombineA(path,"C:\\Users\\bigg\\AppData\\Roaming\\Winamp\\","Plugins\\Gracenote");
PathAppendA(path, filename);
result = DeleteFileA(path);
return result;
}*/
void CheckForResetError(HRESULT error)
{
if (error != S_OK)
{
MessageBoxW(0, WASABI_API_LNGSTRINGW(IDS_ERROR_RESET), (LPWSTR)plugin.description, MB_OK| MB_ICONERROR);
}
}
void CheckForShutdownError(HRESULT error)
{
if (error != S_OK)
{
MessageBoxW(plugin.hwndWinampParent, WASABI_API_LNGSTRINGW(IDS_CANNOT_SHUT_DOWN), (LPWSTR)plugin.description, MB_OK| MB_ICONERROR);
}
}
// Deprecated: Currently not used, remove at some point
/*
INT_PTR CALLBACK ResettingProcedure(HWND hwndDlg, UINT msg, WPARAM wParam, LPARAM lParam)
{
switch (msg)
{
case WM_INITDIALOG:
//ShowWindow(hwndDlg,SW_HIDE);
ShowWindow(hwndDlg, SW_SHOW);
return 0;
break;
case WM_QUIT:
EndDialog(hwndDlg,0);
return 0;
break;
}
return 0;
}*/
// IMPORTANT: Make sure to call this on the gracenote dedicated thread.
int DeleteGracenoteMLDB(bool silent)
{
long deleteFlags = PL_MLDB_DELETE_INDEX | PL_MLDB_DELETE_BASE | PL_MLDB_DELETE_OTHER | PL_MLDB_DELETE_BACKUPS;
//long deleteFlags = PL_MLDB_DELETE_INDEX | PL_MLDB_DELETE_BASE | PL_MLDB_DELETE_OTHER; // | PL_MLDB_DELETE_BACKUPS;
BSTR bDataPath = SetAndCreatePath(GRACENOTE_DB_BASE_PATH);
HRESULT error = 0;
if (playlistMgr)
error = playlistMgr->Shutdown();
if (!silent)
CheckForShutdownError(error);
// Spawn the working window
//HWND hwndResetWorking = WASABI_API_CREATEDIALOG(IDD_NAG, plugin.hwndWinampParent, ResettingProcedure);
if (mldbMgr)
error = mldbMgr->DeleteDBFiles(deleteFlags, bDataPath);
//SendMessage(hwndResetWorking, WM_QUIT, 0, 0);
if (!silent)
CheckForResetError(error);
SysFreeString(bDataPath);
return NErr_Success; // NOT the HRESULT so that non zero values return as false
}
int InitializeMLDBManager(void)
{
// Other initializations for the MLDB manager can go here
///BackupGracenoteMLDB();
return NErr_Success;
}
static void ConfigureGeneratorPrefs(ICddbPLMoreLikeThisCfg *config)
{
// ToDo: (BigG) Consider using some of the different algorithms
// GNPL_MORELIKETHIS_ALG_20 (Playlist SDK 2.0)
// GNPL_MORELIKETHIS_ALG_25 (Playlist SDK 2.5)
// GNPL_MORELIKETHIS_ALG_DSP_1 (Playlist SDK 2.6)
// GNPL_MORELIKETHIS_ALG_DSP_25 (Playlist SDK 2.6)
config->put_Algorithm(GNPL_MORELIKETHIS_ALG_DEFAULT);
if(!multipleAlbums) config->put_MaxPerAlbum(1);
if(!multipleArtists) config->put_MaxPerArtist(1);
//config->put_TrackLimit(plLength);
config->put_TrackLimit(0); // Dont put a limit on gracenote (return all tracks)
}
//void playPlaylist(Playlist &pl, bool enqueue=false, int startplaybackat=0/*-1 for don't start playback*/, const wchar_t *seedfn=NULL, int useSeed=FALSE)
void playPlaylist(Playlist &pl, bool enqueue=false, int startplaybackat=0/*-1 for don't start playback*/, int useSeed=FALSE)
{
extern winampMediaLibraryPlugin plugin;
const size_t number_of_seeds = seedPlaylist.GetNumItems();
wchar_t seedFilename[MAX_PATH] = {0};
seedFilename[0] = 0;
if(!enqueue)
mediaLibrary.ClearPlaylist();
// Enqueue the seed tracks first
if(useSeed)
{
for (size_t i = 0; i < number_of_seeds; i++)
{
seedPlaylist.GetItem(i, seedFilename, MAX_PATH); // Get the playlist filename
enqueueFileWithMetaStructW s={seedFilename,NULL,PathFindExtensionW(seedFilename),-1};
SendMessage(plugin.hwndWinampParent, WM_WA_IPC, (WPARAM)&s, IPC_PLAYFILEW);
}
}
size_t listLength = pl.GetNumItems();
for(size_t i=0; i<listLength; i++)
{
wchar_t filename[MAX_PATH] = {0};
pl.GetItem(i,filename,MAX_PATH);
//if(seedfn && !_wcsicmp(seedfn,filename)) // Not really sure this is necessary... just making sure that the same file doesnt get added twice
// continue;
enqueueFileWithMetaStructW s={filename,NULL,PathFindExtensionW(filename),-1};
SendMessage(plugin.hwndWinampParent, WM_WA_IPC, (WPARAM)&s, IPC_PLAYFILEW);
}
if(!enqueue && startplaybackat != -1)
{ //play item startplaybackat
SendMessage(plugin.hwndWinampParent,WM_WA_IPC,startplaybackat,IPC_SETPLAYLISTPOS);
SendMessage(plugin.hwndWinampParent,WM_COMMAND,40047,0); //stop
SendMessage(plugin.hwndWinampParent,WM_COMMAND,40045,0); //play
}
}
// Tests wether an item can be added to a playlist and still stay under the current target
bool PlaylistIsFull(Playlist *playlist, /*uint64_t*/ unsigned int currentItemLength, /*uint64_t*/ unsigned int currentItemSize)
{
#define POWER_2_TO_20 1048576 // 1024 * 1024
uint64_t measurement = 0;
// See what type we care about items, size, or length
switch (plLengthType)
{
case PL_ITEMS: // Check for number of items
{
measurement = currentPlaylist.GetNumItems() + ( (useSeed) ? seedPlaylist.GetNumItems() : 0 ); // Add the data from the seed track if we are using it
if ( (measurement + 1) > plItems ) // See if an extra item will put us over.
return true;
else
return false;
}
break;
case PL_MINUTES: // Check for minutes used
{
measurement = currentPlaylist.GetPlaylistLengthMilliseconds() + ( (useSeed) ? seedPlaylist.GetPlaylistLengthMilliseconds() : 0 );
if ( (measurement + (currentItemLength) ) > (plMinutes * 60 * 1000) )
return true;
else
return false;
}
break;
case PL_MEGABYTES: // Check for megabytes used
{
measurement = currentPlaylist.GetPlaylistSizeBytes() + ( (useSeed) ? seedPlaylist.GetPlaylistSizeBytes() : 0 );
if ( (measurement + (uint64_t)currentItemSize) > ((uint64_t)plMegabytes * POWER_2_TO_20) )
return true;
else
return false;
}
break;
}
return true;
}
bool MatchesQuery(const wchar_t *filename, const wchar_t *user_query)
{
// Get an item that mathces both the filename and the query
itemRecordW *result = AGAVE_API_MLDB->GetFileIf(filename, user_query);
if (result)
{
AGAVE_API_MLDB->FreeRecord(result); // Clean up the records list since we are done using it
return true;
}
else
{
AGAVE_API_MLDB->FreeRecord(result); // Clean up the records list since we are done using it
return false;
}
}
// Callback for getting a tag for gracenote library items
static wchar_t * TitleTagFuncGracenote(const wchar_t * tag, void * p)
{ //return 0 if not found, -1 for empty tag
//tagItem * s = (tagItem *)p;
//wchar_t *filename = (wchar_t *)p;
ICddbPL2Result *gracenoteResult = (ICddbPL2Result *)p;
BSTR tag_data;
if (!_wcsicmp(tag, L"artist")) gracenoteResult->GetArtist(&tag_data)/*wsprintf(buf,L"%s",L"artist")*/;
else if (!_wcsicmp(tag, L"album")) gracenoteResult->GetAlbum(&tag_data);
else if (!_wcsicmp(tag, L"title")) gracenoteResult->GetTitle(&tag_data);
else if (!_wcsicmp(tag, L"filename")) gracenoteResult->GetFilename(&tag_data);
else
return 0;
//else if (!_wcsicmp(tag, L"genre")) -;
//else if (!_wcsicmp(tag, L"year")) -;
//else if (!_wcsicmp(tag, L"tracknumber")) -;
//else if (!_wcsicmp(tag, L"discnumber")) -;
//else if (!_wcsicmp(tag, L"bitrate")) -;
//else if (!_wcsicmp(tag, L"albumartist")) -;
//else if (!_wcsicmp(tag, L"composer")) -;
//else if (!_wcsicmp(tag, L"publisher")) -;
return tag_data;
}
// Callback for getting a tag for media library items
static wchar_t * TitleTagFuncML(const wchar_t * tag, void * p)
{ //return 0 if not found, -1 for empty tag
itemRecordW *mlResult = (itemRecordW *)p;
if (!mlResult)
return 0; // Return 0 because we dont have this ml object
wchar_t buf[128] = {0};
wchar_t *tag_data = 0;
if (!_wcsicmp(tag, L"artist")) tag_data = mlResult->artist;
else if (!_wcsicmp(tag, L"album")) tag_data = mlResult->album;
else if (!_wcsicmp(tag, L"title")) tag_data = mlResult->title;
else if (!_wcsicmp(tag, L"filename")) tag_data = mlResult->filename;
else if (!_wcsicmp(tag, L"genre")) tag_data = mlResult->genre;
else if (!_wcsicmp(tag, L"year")) if (mlResult->year > 0) { StringCchPrintfW(buf, 128, L"%04d", mlResult->year); tag_data = buf; }
else if (!_wcsicmp(tag, L"tracknumber") || !_wcsicmp(tag, L"track")) if (mlResult->track > 0) { StringCchPrintfW(buf, 128, L"%04d", mlResult->track); tag_data = buf; }
else if (!_wcsicmp(tag, L"discnumber")) if (mlResult->disc > 0) { StringCchPrintfW(buf, 128, L"%d", mlResult->disc); tag_data = buf; }
else if (!_wcsicmp(tag, L"bitrate")) if (mlResult->bitrate > 0) { StringCchPrintfW(buf, 128, L"%d", mlResult->bitrate); tag_data = buf; }
else if (!_wcsicmp(tag, L"albumartist")) tag_data = mlResult->albumartist;
else if (!_wcsicmp(tag, L"composer")) tag_data = mlResult->composer;
else if (!_wcsicmp(tag, L"publisher")) tag_data = mlResult->publisher;
else if (!_wcsicmp(tag, L"bpm")) if (mlResult->bpm > 0) { StringCchPrintfW(buf, 128, L"%d", mlResult->bpm); tag_data = buf; }
else if (!_wcsicmp(tag, L"comment")) tag_data = mlResult->comment;
else if (!_wcsicmp(tag, L"discs")) if (mlResult->discs > 0) { StringCchPrintfW(buf, 128, L"%d", mlResult->discs); tag_data = buf; }
else if (!_wcsicmp(tag, L"filesize")) if (mlResult->filesize > 0) { StringCchPrintfW(buf, 128, L"%d", mlResult->filesize); tag_data = buf; }
//else if (!_wcsicmp(tag, L"filetime")) tag_data = mlResult->filetime;
else if (!_wcsicmp(tag, L"length")) if (mlResult->length > 0) { StringCchPrintfW(buf, 128, L"%d", mlResult->length); tag_data = buf; }
else if (!_wcsicmp(tag, L"playcount")) if (mlResult->playcount > 0) { StringCchPrintfW(buf, 128, L"%d", mlResult->playcount); tag_data = buf; }
else if (!_wcsicmp(tag, L"rating")) if (mlResult->rating > 0) { StringCchPrintfW(buf, 128, L"%d", mlResult->rating); tag_data = buf; }
else
return 0;
return _wcsdup(tag_data);
}
// Callback to free a tag in gracenote library
static void TitleTagFreeFuncGracenote(wchar_t *tag_data, void *p)
{
if(tag_data)
SysFreeString(tag_data);
}
// Callback to free a tag in media library
static void TitleTagFreeFuncML(wchar_t *tag_data, void *p)
{
if(tag_data)
free(tag_data);
}
// Retreive the title formatting for gracenote library
void GetTitleFormattingGracenote(const wchar_t *filename, ICddbPL2Result * gracenoteResult, wchar_t * buf, int len)
{
waFormatTitleExtended fmt={ filename, 1, NULL, (void *)gracenoteResult, buf, len, TitleTagFuncGracenote, TitleTagFreeFuncGracenote };
SendMessage(plugin.hwndWinampParent, WM_WA_IPC, (WPARAM)&fmt, IPC_FORMAT_TITLE_EXTENDED);
}
// Retreive the title formatting for media library
void GetTitleFormattingML(const wchar_t *filename, itemRecordW *mlResult, wchar_t * buf, int len)
{
waFormatTitleExtended fmt={ filename, 1, NULL, (void *)mlResult, buf, len, TitleTagFuncML, TitleTagFreeFuncML };
SendMessage(plugin.hwndWinampParent, WM_WA_IPC, (WPARAM)&fmt, IPC_FORMAT_TITLE_EXTENDED);
}
static int MoreLikeTheseSongsFunc(HANDLE handle, void *user_data, intptr_t id)
{
Playlist *pl = (Playlist *)user_data;
const int number_of_files = (int)pl->GetNumItems();
isGenerating = true;
//Sleep(501); // Wait for the update timer to finish its cycles, This is EVIL, keep it removed...
SetMarqueeProgress(true); // Turn the marquee off because we are actually generating the tracks
SetDlgItemText(hwndDlgCurrent, IDC_STATIC_PROGRESS_STATE, WASABI_API_LNGSTRINGW(IDS_GENERATING));
//EnableWindow (GetDlgItem(hwndDlgCurrent, IDC_BUTTON_REGENERATE), FALSE );
SetButtonsEnabledState(false); // Disable the buttons once we start generating here
if (SetupPlaylistSDK())
{
HRESULT hr;
ICddbPLMoreLikeThisCfgPtr cfg;
cfg.CreateInstance(CLSID_CddbPLMoreLikeThisCfg);
ConfigureGeneratorPrefs(cfg);
ICddbPL2ResultListPtr results;
wchar_t plFilename[MAX_PATH] = {0};
if (number_of_files == 1) // Call the regular morelikethis function if there is only the standard seed track
{
pl->GetItem(0, plFilename, MAX_PATH);
BSTR i_dunno = SysAllocString(plFilename);
hr=playlistMgr->MoreLikeThisSong(i_dunno, cfg, &results);
SysFreeString(i_dunno);
}
else if (number_of_files > 1) // We have more than 1 seed track
{
// Create the variant of an array of filenames for MoreLikeTheseSongs
VARIANT fileList;
VariantInit((VARIANTARG *)&fileList);
SAFEARRAY *psa = SafeArrayCreateVector (VT_BSTR, 0, number_of_files);
BSTR *data;
SafeArrayAccessData(psa, (void **)&data);
for (size_t i=0;i!=number_of_files;i++)
{
pl->GetItem(i, plFilename, MAX_PATH);
data[i] = SysAllocString(plFilename);
}
SafeArrayUnaccessData(psa);
V_VT(&fileList) = VT_ARRAY|VT_BSTR;
V_ARRAY(&fileList) = psa;
hr=playlistMgr->MoreLikeTheseSongs(fileList, cfg, &results);
}
else // We dont have any seed tracks (this should not happen because we shouldnt get this far.
{
return 1; // Failure
}
long count=-1;
if (results && SUCCEEDED(hr=results->get_Count(&count)) && count)
{
currentPlaylist.Clear();
for (long i=0;i<count;i++)
{
ICddbPL2Result *result;
if (SUCCEEDED(hr=results->GetResult(i+1, &result)))
{
BSTR filename = 0;
BSTR title = 0;
unsigned int length = -1;
unsigned int size = 0;
result->GetFilename(&filename);
result->GetTitle(&title);
result->GetTracklength(&length); // Gracenote is returning seconds here
result->GetFilesize(&size); // Gracenote took the size as kilobytes but it is returning it to us as bytes
length *= 1000; // Multiply length by 1000 to turn it into milliseconds from seconds
// Get the winamp user formatted title.
wchar_t winamp_title[512] = {0};
GetTitleFormattingGracenote(filename, result, winamp_title, 512);
// Only check for the query if the user wants to apply one
if ( useMLQuery == TRUE && MatchesQuery(filename, mlQuery ) == false )
{
SysFreeString(filename);
SysFreeString(title);
result->Release();
continue;
}
// Lets check for the playlist limit to see if we should add this track
if ( !PlaylistIsFull(&currentPlaylist, length, size) )
currentPlaylist.AppendWithInfo(filename, winamp_title, length, size);
// DONT break here if we are full, keep going as we may find something that will fit into the playlist eventually
SysFreeString(filename);
SysFreeString(title);
result->Release();
}
}
/*char cfg[1024 + 32] = {0};
char *dir = (char*)SendMessage(plugin.hwndWinampParent, WM_WA_IPC, 0, IPC_GETINIDIRECTORY);
PathCombineA(cfg, dir, "Plugins\\gen_ml.ini");
int en = GetPrivateProfileIntA("gen_ml_config","enqueuedef",0,cfg);*/
PopulateResults(&currentPlaylist);
}
else /*if (count == 0)*/
{
PopulateResults(0); // Call populate with an empty playlist
CantPopulateResults(); // Display warning about not being able to generate any tracks
}
}
isGenerating = false;
return 0;
}
void MoreLikeTheseSongs(Playlist *pl)
{
// Capture the stats, we dont care if its successful or not, we only care about the try
if (AGAVE_API_STATS)
AGAVE_API_STATS->IncrementStat(api_stats::PLG_COUNT);
// Call the the mor like this fuction on the gracenote reserved thread
WASABI_API_THREADPOOL->RunFunction(plg_thread, MoreLikeTheseSongsFunc, pl, 0, api_threadpool::FLAG_REQUIRE_COM_STA);
}