utils/wxMMedia/vidwin.cpp

   1 ////////////////////////////////////////////////////////////////////////////////
   2 // Name:       vidwin.h
   3 // Purpose:    wxMMedia
   4 // Author:     Guilhem Lavaux
   5 // Created:    February 1998
   6 // Updated:
   7 // Copyright:  (C) 1998, Guilhem Lavaux
   8 // License:    wxWindows license
   9 ////////////////////////////////////////////////////////////////////////////////
  10
  11 #ifdef __GNUG__
  12 #pragma implementation "vidwin.h"
  13 #endif
  14
  15 #if 0
  16 #include "wx/wxprec.h"
  17 #else
  18 #include "wx/wx.h"
  19 #endif
  20
  21 #define WXMMEDIA_INTERNAL
  22 #include <windows.h>
  23 #include <mmsystem.h>
  24 #include <digitalv.h>
  25 #include "mmtype.h"
  26 #include "mmfile.h"
  27 #include "vidwin.h"
  28
  29 #ifdef __BORLANDC__
  30 #pragma hdrstop
  31 #endif
  32
  33 wxVideoWindows::wxVideoWindows(void)
  34 {
  35 }
  36
  37 wxVideoWindows::wxVideoWindows(wxInputStream& str, bool seekable)
  38   : wxVideoBaseDriver(str, seekable)
  39 {
  40   OpenFile(GetCurrentFile());
  41 }
  42
  43 wxVideoWindows::wxVideoWindows(const char *fname)
  44   : wxVideoBaseDriver(fname)
  45 {
  46   OpenFile(fname);
  47 }
  48
  49 wxVideoWindows::~wxVideoWindows(void)
  50 {
  51   mciSendCommand(internal->dev_id, MCI_CLOSE, 0, 0);
  52
  53   if (internal)
  54     delete internal;
  55 }
  56
  57 void wxVideoWindows::OpenFile(const char *fname)
  58 {
  59   MCI_DGV_OPEN_PARMS open_struct;
  60   DWORD ret;
  61
  62   internal = new VIDW_Internal;
  63
  64   open_struct.lpstrDeviceType = "avivideo";
  65   open_struct.lpstrElementName = (LPSTR)fname;
  66   open_struct.hWndParent = 0;
  67
  68   ret = mciSendCommand(0, MCI_OPEN,
  69         MCI_OPEN_ELEMENT|MCI_DGV_OPEN_PARENT|MCI_OPEN_TYPE|MCI_DGV_OPEN_32BIT,
  70                        (DWORD)(LPVOID)&open_struct);
  71   internal->dev_id = open_struct.wDeviceID;
  72 }
  73
  74 bool wxVideoWindows::Pause(void)
  75 {
  76   return (mciSendCommand(internal->dev_id, MCI_PAUSE, 0, 0) == 0);
  77 }
  78
  79 bool wxVideoWindows::Resume(void)
  80 {
  81   return (mciSendCommand(internal->dev_id, MCI_PAUSE, 0, 0) == 0);
  82 }
  83
  84 bool wxVideoWindows::SetVolume(wxUint8 vol)
  85 {
  86   return TRUE;
  87 }
  88
  89 bool wxVideoWindows::Resize(wxUint16 w, wxUint16 h)
  90 {
  91   return TRUE;
  92 }
  93
  94 bool wxVideoWindows::IsCapable(wxVideoType v_type)
  95 {
  96   return (v_type == wxVIDEO_MSAVI);
  97 }
  98
  99 bool wxVideoWindows::AttachOutput(wxVideoOutput& output)
 100 {
 101   MCI_DGV_WINDOW_PARMS win_struct;
 102
 103   if (!wxVideoBaseDriver::AttachOutput(output))
 104     return FALSE;
 105
 106   win_struct.hWnd = (HWND)output.GetHWND();
 107   mciSendCommand(internal->dev_id, MCI_WINDOW,
 108                  MCI_DGV_WINDOW_HWND, (DWORD)(LPVOID)&win_struct);
 109   return TRUE;
 110 }
 111
 112 void wxVideoWindows::DetachOutput(void)
 113 {
 114   MCI_DGV_WINDOW_PARMS win_struct;
 115
 116   wxVideoBaseDriver::DetachOutput();
 117
 118   win_struct.hWnd = 0;
 119   mciSendCommand(internal->dev_id, MCI_WINDOW,
 120                  MCI_DGV_WINDOW_HWND, (DWORD)(LPVOID)&win_struct);
 121 }
 122
 123 bool wxVideoWindows::StartPlay(void)
 124 {
 125   return (mciSendCommand(internal->dev_id, MCI_PLAY, 0, NULL) == 0);
 126 }
 127
 128 void wxVideoWindows::StopPlay(void)
 129 {
 130   mciSendCommand(internal->dev_id, MCI_STOP, 0, NULL);
 131 }