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1 | //////////////////////////////////////////////////////////////////////////////// | |
2 | // Name: vidwin.h | |
3 | // Purpose: wxMMedia | |
4 | // Author: Guilhem Lavaux | |
5 | // Created: February 1998 | |
6 | // Updated: | |
7 | // Copyright: (C) 1998, 1999, 2000 Guilhem Lavaux | |
8 | // License: wxWindows license | |
9 | //////////////////////////////////////////////////////////////////////////////// | |
10 | ||
11 | #ifdef __GNUG__ | |
12 | #pragma implementation "vidwin.h" | |
13 | #endif | |
14 | ||
15 | #include "wx/wxprec.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include "wx/wx.h" | |
19 | #endif | |
20 | ||
21 | #include "wx/stream.h" | |
22 | #include "wx/wfstream.h" | |
23 | ||
24 | #define WXMMEDIA_INTERNAL | |
25 | #include <windows.h> | |
26 | #include <mmsystem.h> | |
27 | #include <digitalv.h> | |
28 | #include "vidwin.h" | |
29 | ||
30 | #ifdef __BORLANDC__ | |
31 | #pragma hdrstop | |
32 | #endif | |
33 | ||
34 | IMPLEMENT_DYNAMIC_CLASS(wxVideoWindows, wxVideoBaseDriver) | |
35 | ||
36 | wxVideoWindows::wxVideoWindows() | |
37 | { | |
38 | } | |
39 | ||
40 | wxVideoWindows::wxVideoWindows(wxInputStream& str) | |
41 | : wxVideoBaseDriver(str) | |
42 | { | |
43 | m_internal = new wxVIDWinternal; | |
44 | m_remove_file = TRUE; | |
45 | m_filename = wxGetTempFileName("wxvid"); | |
46 | m_paused = FALSE; | |
47 | m_stopped = TRUE; | |
48 | ||
49 | wxFileOutputStream temp_file(m_filename); | |
50 | temp_file << str; | |
51 | ||
52 | OpenFile(); | |
53 | } | |
54 | ||
55 | wxVideoWindows::wxVideoWindows(const wxString& filename) | |
56 | : wxVideoBaseDriver(filename) | |
57 | { | |
58 | m_internal = new wxVIDWinternal; | |
59 | m_remove_file = FALSE; | |
60 | m_filename = filename; | |
61 | m_paused = FALSE; | |
62 | m_stopped = TRUE; | |
63 | OpenFile(); | |
64 | } | |
65 | ||
66 | wxVideoWindows::~wxVideoWindows(void) | |
67 | { | |
68 | mciSendCommand(m_internal->m_dev_id, MCI_CLOSE, 0, 0); | |
69 | ||
70 | if (m_internal) | |
71 | delete m_internal; | |
72 | } | |
73 | ||
74 | void wxVideoWindows::OpenFile() | |
75 | { | |
76 | MCI_DGV_OPEN_PARMS open_struct; | |
77 | DWORD ret; | |
78 | ||
79 | open_struct.lpstrDeviceType = "avivideo"; | |
80 | open_struct.lpstrElementName = (LPSTR)(m_filename.mb_str()); | |
81 | open_struct.hWndParent = 0; | |
82 | ||
83 | ret = mciSendCommand(0, MCI_OPEN, | |
84 | MCI_OPEN_ELEMENT|MCI_DGV_OPEN_PARENT|MCI_OPEN_TYPE|MCI_DGV_OPEN_32BIT, | |
85 | (DWORD)(LPVOID)&open_struct); | |
86 | m_internal->m_dev_id = open_struct.wDeviceID; | |
87 | } | |
88 | ||
89 | bool wxVideoWindows::Pause() | |
90 | { | |
91 | if (m_paused || m_stopped) | |
92 | return TRUE; | |
93 | m_paused = TRUE; | |
94 | return (mciSendCommand(m_internal->m_dev_id, MCI_PAUSE, 0, 0) == 0); | |
95 | } | |
96 | ||
97 | bool wxVideoWindows::Resume() | |
98 | { | |
99 | if (!m_paused || m_stopped) | |
100 | return TRUE; | |
101 | m_paused = FALSE; | |
102 | return (mciSendCommand(m_internal->m_dev_id, MCI_PAUSE, 0, 0) == 0); | |
103 | } | |
104 | ||
105 | bool wxVideoWindows::IsPaused() | |
106 | { | |
107 | return m_paused; | |
108 | } | |
109 | ||
110 | bool wxVideoWindows::IsStopped() | |
111 | { | |
112 | return m_stopped; | |
113 | } | |
114 | ||
115 | bool wxVideoWindows::GetSize(wxSize& size) const | |
116 | { | |
117 | return TRUE; | |
118 | } | |
119 | ||
120 | bool wxVideoWindows::Resize(wxUint16 w, wxUint16 h) | |
121 | { | |
122 | return TRUE; | |
123 | } | |
124 | ||
125 | bool wxVideoWindows::IsCapable(wxVideoType v_type) | |
126 | { | |
127 | return (v_type == wxVIDEO_MSAVI); | |
128 | } | |
129 | ||
130 | bool wxVideoWindows::AttachOutput(wxWindow& output) | |
131 | { | |
132 | MCI_DGV_WINDOW_PARMS win_struct; | |
133 | ||
134 | if (!wxVideoBaseDriver::AttachOutput(output)) | |
135 | return FALSE; | |
136 | ||
137 | win_struct.hWnd = (HWND)output.GetHWND(); | |
138 | mciSendCommand(m_internal->m_dev_id, MCI_WINDOW, | |
139 | MCI_DGV_WINDOW_HWND, (DWORD)(LPVOID)&win_struct); | |
140 | return TRUE; | |
141 | } | |
142 | ||
143 | void wxVideoWindows::DetachOutput() | |
144 | { | |
145 | MCI_DGV_WINDOW_PARMS win_struct; | |
146 | ||
147 | wxVideoBaseDriver::DetachOutput(); | |
148 | ||
149 | win_struct.hWnd = 0; | |
150 | mciSendCommand(m_internal->m_dev_id, MCI_WINDOW, | |
151 | MCI_DGV_WINDOW_HWND, (DWORD)(LPVOID)&win_struct); | |
152 | } | |
153 | ||
154 | bool wxVideoWindows::Play() | |
155 | { | |
156 | if (!m_stopped) | |
157 | return FALSE; | |
158 | m_stopped = FALSE; | |
159 | return (mciSendCommand(m_internal->m_dev_id, MCI_PLAY, 0, NULL) == 0); | |
160 | } | |
161 | ||
162 | bool wxVideoWindows::Stop() | |
163 | { | |
164 | if (m_stopped) | |
165 | return FALSE; | |
166 | m_stopped = TRUE; | |
167 | return (mciSendCommand(m_internal->m_dev_id, MCI_STOP, 0, NULL) == 0); | |
168 | } |