| 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 | #if defined(__WINDOWS__) && !defined(__GNUWIN32__) |
| 22 | |
| 23 | #ifdef __BORLANDC__ |
| 24 | #pragma hdrstop |
| 25 | #endif |
| 26 | |
| 27 | #include "wx/stream.h" |
| 28 | #include "wx/wfstream.h" |
| 29 | |
| 30 | #define WXMMEDIA_INTERNAL |
| 31 | #include <windows.h> |
| 32 | #include <mmsystem.h> |
| 33 | #include <digitalv.h> |
| 34 | #include "wx/mmedia/vidwin.h" |
| 35 | |
| 36 | #ifdef __BORLANDC__ |
| 37 | #pragma hdrstop |
| 38 | #endif |
| 39 | |
| 40 | IMPLEMENT_DYNAMIC_CLASS(wxVideoWindows, wxVideoBaseDriver) |
| 41 | |
| 42 | wxVideoWindows::wxVideoWindows() |
| 43 | { |
| 44 | } |
| 45 | |
| 46 | wxVideoWindows::wxVideoWindows(wxInputStream& str) |
| 47 | : wxVideoBaseDriver(str) |
| 48 | { |
| 49 | m_internal = new wxVIDWinternal; |
| 50 | m_remove_file = TRUE; |
| 51 | m_filename = wxGetTempFileName("wxvid"); |
| 52 | m_paused = FALSE; |
| 53 | m_stopped = TRUE; |
| 54 | m_frameRate = 1.0; |
| 55 | |
| 56 | wxFileOutputStream temp_file(m_filename); |
| 57 | temp_file << str; |
| 58 | |
| 59 | OpenFile(); |
| 60 | } |
| 61 | |
| 62 | wxVideoWindows::wxVideoWindows(const wxString& filename) |
| 63 | : wxVideoBaseDriver(filename) |
| 64 | { |
| 65 | m_internal = new wxVIDWinternal; |
| 66 | m_remove_file = FALSE; |
| 67 | m_filename = filename; |
| 68 | m_paused = FALSE; |
| 69 | m_stopped = TRUE; |
| 70 | m_frameRate = 1.0; |
| 71 | OpenFile(); |
| 72 | } |
| 73 | |
| 74 | wxVideoWindows::~wxVideoWindows(void) |
| 75 | { |
| 76 | mciSendCommand(m_internal->m_dev_id, MCI_CLOSE, 0, 0); |
| 77 | |
| 78 | if (m_internal) |
| 79 | delete m_internal; |
| 80 | } |
| 81 | |
| 82 | void wxVideoWindows::OpenFile() |
| 83 | { |
| 84 | MCI_DGV_OPEN_PARMS openStruct; |
| 85 | MCI_DGV_SET_PARMS setStruct; |
| 86 | MCI_STATUS_PARMS statusStruct; |
| 87 | DWORD ret; |
| 88 | |
| 89 | openStruct.lpstrDeviceType = "avivideo"; |
| 90 | openStruct.lpstrElementName = (LPSTR)(m_filename.mb_str()); |
| 91 | openStruct.hWndParent = 0; |
| 92 | |
| 93 | ret = mciSendCommand(0, MCI_OPEN, |
| 94 | MCI_OPEN_ELEMENT|MCI_DGV_OPEN_PARENT|MCI_OPEN_TYPE|MCI_DGV_OPEN_32BIT, |
| 95 | (DWORD)(LPVOID)&openStruct); |
| 96 | m_internal->m_dev_id = openStruct.wDeviceID; |
| 97 | |
| 98 | |
| 99 | setStruct.dwCallback = 0; |
| 100 | setStruct.dwTimeFormat = MCI_FORMAT_FRAMES; |
| 101 | |
| 102 | ret = mciSendCommand(m_internal->m_dev_id, MCI_SET, MCI_SET_TIME_FORMAT, |
| 103 | (DWORD)(LPVOID)&setStruct); |
| 104 | |
| 105 | |
| 106 | statusStruct.dwCallback = 0; |
| 107 | statusStruct.dwItem = MCI_DGV_STATUS_FRAME_RATE; |
| 108 | ret = mciSendCommand(m_internal->m_dev_id, MCI_STATUS, |
| 109 | MCI_STATUS_ITEM, |
| 110 | (DWORD)(LPVOID)&statusStruct); |
| 111 | |
| 112 | m_frameRate = ((double)statusStruct.dwReturn) / 1000; |
| 113 | |
| 114 | statusStruct.dwItem = MCI_DGV_STATUS_BITSPERSAMPLE; |
| 115 | ret = mciSendCommand(m_internal->m_dev_id, MCI_STATUS, MCI_STATUS_ITEM, |
| 116 | (DWORD)(LPVOID)&statusStruct); |
| 117 | m_bps = statusStruct.dwReturn; |
| 118 | |
| 119 | } |
| 120 | |
| 121 | bool wxVideoWindows::Pause() |
| 122 | { |
| 123 | if (m_paused || m_stopped) |
| 124 | return TRUE; |
| 125 | m_paused = TRUE; |
| 126 | return (mciSendCommand(m_internal->m_dev_id, MCI_PAUSE, MCI_WAIT, 0) == 0); |
| 127 | } |
| 128 | |
| 129 | bool wxVideoWindows::Resume() |
| 130 | { |
| 131 | if (!m_paused || m_stopped) |
| 132 | return TRUE; |
| 133 | m_paused = FALSE; |
| 134 | return (mciSendCommand(m_internal->m_dev_id, MCI_RESUME, 0, 0) == 0); |
| 135 | } |
| 136 | |
| 137 | bool wxVideoWindows::IsPaused() const |
| 138 | { |
| 139 | return m_paused; |
| 140 | } |
| 141 | |
| 142 | bool wxVideoWindows::IsStopped() const |
| 143 | { |
| 144 | return m_stopped; |
| 145 | } |
| 146 | |
| 147 | bool wxVideoWindows::GetSize(wxSize& size) const |
| 148 | { |
| 149 | size.SetWidth(200); |
| 150 | size.SetHeight(200); |
| 151 | return TRUE; |
| 152 | } |
| 153 | |
| 154 | bool wxVideoWindows::SetSize(wxSize size) |
| 155 | { |
| 156 | return TRUE; |
| 157 | } |
| 158 | |
| 159 | bool wxVideoWindows::IsCapable(wxVideoType v_type) |
| 160 | { |
| 161 | return (v_type == wxVIDEO_MSAVI); |
| 162 | } |
| 163 | |
| 164 | bool wxVideoWindows::AttachOutput(wxWindow& output) |
| 165 | { |
| 166 | MCI_DGV_WINDOW_PARMS win_struct; |
| 167 | |
| 168 | if (!wxVideoBaseDriver::AttachOutput(output)) |
| 169 | return FALSE; |
| 170 | |
| 171 | win_struct.hWnd = (HWND)output.GetHWND(); |
| 172 | mciSendCommand(m_internal->m_dev_id, MCI_WINDOW, |
| 173 | MCI_DGV_WINDOW_HWND, (DWORD)(LPVOID)&win_struct); |
| 174 | return TRUE; |
| 175 | } |
| 176 | |
| 177 | void wxVideoWindows::DetachOutput() |
| 178 | { |
| 179 | MCI_DGV_WINDOW_PARMS win_struct; |
| 180 | |
| 181 | wxVideoBaseDriver::DetachOutput(); |
| 182 | |
| 183 | win_struct.hWnd = 0; |
| 184 | mciSendCommand(m_internal->m_dev_id, MCI_WINDOW, |
| 185 | MCI_DGV_WINDOW_HWND, (DWORD)(LPVOID)&win_struct); |
| 186 | } |
| 187 | |
| 188 | bool wxVideoWindows::Play() |
| 189 | { |
| 190 | if (!m_stopped) |
| 191 | return FALSE; |
| 192 | m_stopped = FALSE; |
| 193 | return (mciSendCommand(m_internal->m_dev_id, MCI_PLAY, 0, NULL) == 0); |
| 194 | } |
| 195 | |
| 196 | bool wxVideoWindows::Stop() |
| 197 | { |
| 198 | MCI_SEEK_PARMS seekStruct; |
| 199 | |
| 200 | if (m_stopped) |
| 201 | return FALSE; |
| 202 | m_stopped = TRUE; |
| 203 | if (::mciSendCommand(m_internal->m_dev_id, MCI_STOP, MCI_WAIT, NULL) != 0) |
| 204 | return FALSE; |
| 205 | |
| 206 | seekStruct.dwCallback = 0; |
| 207 | seekStruct.dwTo = 0; |
| 208 | return (::mciSendCommand(m_internal->m_dev_id, MCI_SEEK, MCI_SEEK_TO_START|MCI_WAIT, (DWORD)(LPVOID)&seekStruct) == 0); |
| 209 | } |
| 210 | |
| 211 | // TODO TODO |
| 212 | // I hate windows :-(. The doc says MCI_STATUS should return all info I want but when I call it |
| 213 | // it returns to me with an UNSUPPORTED_FUNCTION error. I will have to do all by myself. Grrrr ! |
| 214 | |
| 215 | wxString wxVideoWindows::GetMovieCodec() const |
| 216 | { |
| 217 | return wxT("No info"); |
| 218 | } |
| 219 | |
| 220 | wxString wxVideoWindows::GetAudioCodec() const |
| 221 | { |
| 222 | return wxT("No info"); |
| 223 | } |
| 224 | |
| 225 | wxUint32 wxVideoWindows::GetSampleRate() const |
| 226 | { |
| 227 | return 22500; |
| 228 | } |
| 229 | |
| 230 | wxUint8 wxVideoWindows::GetChannels() const |
| 231 | { |
| 232 | return 1; |
| 233 | } |
| 234 | |
| 235 | wxUint8 wxVideoWindows::GetBPS() const |
| 236 | { |
| 237 | return m_bps; |
| 238 | } |
| 239 | |
| 240 | double wxVideoWindows::GetFrameRate() const |
| 241 | { |
| 242 | return m_frameRate; |
| 243 | } |
| 244 | |
| 245 | wxUint32 wxVideoWindows::GetNbFrames() const |
| 246 | { |
| 247 | return 0; |
| 248 | } |
| 249 | |
| 250 | #endif |
| 251 | // __WINDOWS__ |