Initial community commit

Src/Plugins/Library/ml_pmp/transcoder_imp.h

@@ -0,0 +1,122 @@
+#ifndef _TRANSCODER_IMP_H_
+#define _TRANSCODER_IMP_H_
+
+#include <windows.h>
+#include <windowsx.h>
+#include "..\..\General\gen_ml/itemlist.h"
+#include "../winamp/wa_ipc.h"
+#include "..\..\General\gen_ml/ml.h"
+#include "DeviceView.h"
+#include "nu/AutoWide.h"
+#include "nu/AutoChar.h"
+#include "transcoder.h"
+#include "resource1.h"
+#include <wchar.h>
+#include <stdio.h>
+#include <vector>
+
+#define ENCODER_HIGHLY_PREFERRED 2
+#define ENCODER_PREFERRED 1
+#define ENCODER_NO_PREFERENCE 0
+#define ENCODER_NOT_PREFERRED -1
+#define ENCODER_DO_NOT_USE -2
+
+class EncodableFormat 
+{
+public:
+  unsigned int fourcc;
+  wchar_t *desc;
+  EncodableFormat(unsigned int fourcc,wchar_t *desc) :
+    fourcc(fourcc)
+  {
+    this->desc = _wcsdup(desc);
+  }
+
+  ~EncodableFormat()
+	{
+    free(desc);
+  }
+};
+
+typedef std::vector<EncodableFormat*> FormatList;
+
+
+class TranscoderImp : public Transcoder 
+{
+protected:
+	bool TranscoderDisabled;
+	bool transrate;
+	int transratethresh;
+	bool translossless;
+	wchar_t caption[100];
+	wchar_t inifile[MAX_PATH];
+	char inifileA[MAX_PATH];
+	HINSTANCE hInst;
+	HWND winampParent;
+	HWND callbackhwnd;
+	std::vector<unsigned int> outformats;
+	FormatList formats;
+	C_Config * config;
+	convertFileStructW cfs;
+	void (*callback)(void * callbackContext, wchar_t * status);
+	void* callbackContext;
+	bool convertDone;
+	Device *device;
+
+	void TranscodeProgress(int pc, bool done);
+	bool StartTranscode(unsigned int destformat, wchar_t *inputFile, wchar_t *outputfile, bool test=false); // returns true if started ok.
+	void EndTranscode();
+	bool TestTranscode(wchar_t * file, unsigned int destformat);
+	bool FormatAcceptable(wchar_t * format);
+	bool FormatAcceptable(unsigned int format);
+	int GetOutputFormat(wchar_t * file, int *bitrate=NULL);
+	void AddEncodableFormat(const char *desc, unsigned int fourcc);
+	void ReloadConfig();
+
+public:
+	TranscoderImp(HWND winampParent, HINSTANCE hInst, C_Config * config, Device *device);
+	virtual ~TranscoderImp();
+
+	virtual void LoadConfigProfile(wchar_t *profile);
+	virtual void AddAcceptableFormat(wchar_t *format);
+	virtual void AddAcceptableFormat(unsigned int format);
+
+	// done when file is added to transfer queue
+	// returns:
+	//  -1 for can't transcode
+	//  output file size estimate if can transcode
+	// if ext is supplied, it should be a buffer with space for 5 characters, and will be filled with 
+	//   the output file type file extention, eg, L".mp3"
+	virtual int CanTranscode(wchar_t *file, wchar_t *ext = NULL, int length = -1);
+
+	virtual bool ShouldTranscode(wchar_t * file); // false if no transcoding needed
+
+	virtual int TranscodeFile(wchar_t *inputFile, wchar_t *outputFile, int *killswitch,  void (*callback)(void * callbackContext, wchar_t * status), void* callbackContext, wchar_t * caption=L"Transcoding %d%%");
+	// done just before transfer OR in background after file is added to queue
+	// extention is added to outputFile, allow 5 extra chars
+	// callback, callbackcontext and killswitch should be similar to those passed by ml_pmp
+
+	//virtual int TranscodeFileASync(wchar_t *inputFile, wchar_t *outputFile, int *killswitch, void (*callback)(void * callbackContext, wchar_t * status), void* callbackContext){return 0;};
+	//asynchronous version of the above, details obvious
+
+	virtual void GetTempFilePath(const wchar_t *ext, wchar_t *filename); // get a filename which can be used as a staging area. ext should be, i.e L".mp3"
+
+  /* remember to call DestroyWindow on the return value when parent recieves the WM_DESTROY message.
+     use like this:
+       transcoderConfig = TranscoderImp::ConfigureTranscoder(hwndDlg,L"ml_pmp");
+       RECT r;
+       GetWindowRect(GetDlgItem(hwndDlg,IDC_PLACEHOLDER),&r);
+       ScreenToClient(hwndDlg,(LPPOINT)&r);
+       SetWindowPos(transcoderConfig,NULL,r.left,r.top,0,0,SWP_NOACTIVATE|SWP_NOSIZE|SWP_NOZORDER);
+       ShowWindow(transcoderConfig,SW_SHOWNA);
+     where IDC_PLACEHOLDER is an invisible group box of size 259x176 (in dialog units)
+  */
+	static void* ConfigureTranscoder(wchar_t * configProfile, HWND winampParent, C_Config * config, Device *dev);
+	static BOOL transcodeconfig_dlgproc(HWND hwndDlg, UINT uMsg, WPARAM wParam,LPARAM lParam);
+	static void init();
+	static void quit();
+
+	friend LRESULT CALLBACK TranscodeMsgProc(HWND hwnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
+};
+
+#endif //_TRANSCODER_IMP_H_