| 1 | //////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: vidxanm.cpp |
| 3 | // Purpose: wxMMedia |
| 4 | // Author: Guilhem Lavaux |
| 5 | // Created: 1997 |
| 6 | // Updated: 1998 |
| 7 | // Copyright: (C) 1997, 1998, Guilhem Lavaux |
| 8 | // License: wxWindows license |
| 9 | //////////////////////////////////////////////////////////////////////////////// |
| 10 | #ifdef __GNUG__ |
| 11 | #pragma implementation "vidxanm.h" |
| 12 | #endif |
| 13 | #define WXMMEDIA_INTERNAL |
| 14 | #ifdef __XT__ |
| 15 | #define Uses_XLib |
| 16 | #define Uses_XtIntrinsic |
| 17 | #endif |
| 18 | #include "vidbase.h" |
| 19 | #include "vidxanm.h" |
| 20 | #ifdef WX_PRECOMP |
| 21 | #include "wx_prec.h" |
| 22 | #else |
| 23 | #include "wx/wx.h" |
| 24 | #endif |
| 25 | #include <X11/Xlib.h> |
| 26 | #include <X11/Intrinsic.h> |
| 27 | #ifdef __WXGTK__ |
| 28 | #include <gtk/gtkwidget.h> |
| 29 | #include <gdk/gdk.h> |
| 30 | #include <gdk/gdkprivate.h> |
| 31 | #endif |
| 32 | |
| 33 | wxVideoXANIM::wxVideoXANIM() |
| 34 | : wxVideoBaseDriver() |
| 35 | { |
| 36 | internal = new wxXANIMinternal; |
| 37 | xanim_started = false; |
| 38 | paused = false; |
| 39 | } |
| 40 | |
| 41 | wxVideoXANIM::wxVideoXANIM(wxInputStream& str) |
| 42 | : wxVideoBaseDriver(str, false) |
| 43 | { |
| 44 | internal = new wxXANIMinternal; |
| 45 | xanim_started = false; |
| 46 | paused = false; |
| 47 | } |
| 48 | |
| 49 | wxVideoXANIM::wxVideoXANIM(const wxString& fname) |
| 50 | : wxVideoBaseDriver(fname) |
| 51 | { |
| 52 | internal = new wxXANIMinternal; |
| 53 | xanim_started = false; |
| 54 | } |
| 55 | |
| 56 | wxVideoXANIM::~wxVideoXANIM() |
| 57 | { |
| 58 | if (xanim_started) |
| 59 | StopPlay(); |
| 60 | delete internal; |
| 61 | } |
| 62 | |
| 63 | bool wxVideoXANIM::StartPlay() |
| 64 | { |
| 65 | if (!paused && xanim_started) |
| 66 | return true; |
| 67 | if (!video_output) |
| 68 | wxVideoCreateFrame(this); |
| 69 | |
| 70 | if (SendCommand(" ")) { |
| 71 | paused = false; |
| 72 | return true; |
| 73 | } |
| 74 | return false; |
| 75 | } |
| 76 | |
| 77 | bool wxVideoXANIM::Pause() |
| 78 | { |
| 79 | if (!paused && SendCommand(" ")) { |
| 80 | paused = TRUE; |
| 81 | return TRUE; |
| 82 | } |
| 83 | return FALSE; |
| 84 | } |
| 85 | |
| 86 | bool wxVideoXANIM::Resume() |
| 87 | { |
| 88 | if (paused && SendCommand(" ")) { |
| 89 | paused = FALSE; |
| 90 | return TRUE; |
| 91 | } |
| 92 | return FALSE; |
| 93 | } |
| 94 | |
| 95 | void wxVideoXANIM::StopPlay() |
| 96 | { |
| 97 | if (!xanim_started) |
| 98 | return; |
| 99 | |
| 100 | SendCommand("q"); |
| 101 | |
| 102 | xanim_started = FALSE; |
| 103 | paused = FALSE; |
| 104 | } |
| 105 | |
| 106 | bool wxVideoXANIM::SetVolume(wxUint8 vol) |
| 107 | { |
| 108 | if (vol > 100) |
| 109 | vol = 100; |
| 110 | |
| 111 | wxString str_vol("v%d", vol); |
| 112 | return SendCommand(str_vol.GetData()); |
| 113 | } |
| 114 | |
| 115 | bool wxVideoXANIM::Resize(wxUint16 WXUNUSED(w), wxUint16 WXUNUSED(h)) |
| 116 | { |
| 117 | // Not implemented |
| 118 | // Actually, I think that we just need to resize the output window ... |
| 119 | return FALSE; |
| 120 | } |
| 121 | |
| 122 | bool wxVideoXANIM::IsCapable(wxVideoType v_type) |
| 123 | { |
| 124 | if (v_type == wxVIDEO_MSAVI || v_type == wxVIDEO_MPEG || |
| 125 | v_type == wxVIDEO_QT || v_type == wxVIDEO_GIF || v_type == wxVIDEO_JMOV || |
| 126 | v_type == wxVIDEO_FLI || v_type == wxVIDEO_IFF || v_type == wxVIDEO_SGI) |
| 127 | return true; |
| 128 | else |
| 129 | return false; |
| 130 | } |
| 131 | |
| 132 | bool wxVideoXANIM::AttachOutput(wxVideoOutput& out) |
| 133 | { |
| 134 | if (!wxVideoBaseDriver::AttachOutput(out)) |
| 135 | return false; |
| 136 | |
| 137 | return RestartXANIM(); |
| 138 | } |
| 139 | |
| 140 | void wxVideoXANIM::DetachOutput() |
| 141 | { |
| 142 | SendCommand("q"); |
| 143 | xanim_started = false; |
| 144 | paused = false; |
| 145 | |
| 146 | wxVideoBaseDriver::DetachOutput(); |
| 147 | } |
| 148 | |
| 149 | bool wxVideoXANIM::SendCommand(const char *command, char **ret, |
| 150 | wxUint32 *size) |
| 151 | { |
| 152 | if (!xanim_started) |
| 153 | if (!RestartXANIM()) |
| 154 | return false; |
| 155 | |
| 156 | // Send a command to XAnim through X11 Property |
| 157 | XChangeProperty(internal->xanim_dpy, internal->xanim_window, |
| 158 | internal->xanim_atom, |
| 159 | XA_STRING, 8, PropModeReplace, (unsigned char *)command, |
| 160 | strlen(command)); |
| 161 | XFlush(internal->xanim_dpy); |
| 162 | if (ret) { |
| 163 | int prop_format; |
| 164 | Atom prop_type; |
| 165 | unsigned long extra; |
| 166 | |
| 167 | XGetWindowProperty(internal->xanim_dpy, internal->xanim_window, |
| 168 | internal->xanim_ret, 0, 16, True, AnyPropertyType, |
| 169 | &prop_type, &prop_format, (unsigned long *)size, |
| 170 | &extra, (unsigned char **)ret); |
| 171 | } |
| 172 | return true; |
| 173 | } |
| 174 | |
| 175 | bool wxVideoXANIM::RestartXANIM() |
| 176 | { |
| 177 | wxString xanim_command; |
| 178 | int ret; |
| 179 | Atom prop_type; |
| 180 | int prop_format; |
| 181 | unsigned long nitems; |
| 182 | unsigned long extra; |
| 183 | char prop[4]; |
| 184 | bool xanim_chg_size; |
| 185 | |
| 186 | if (!video_output || xanim_started || !GetCurrentFile()) |
| 187 | return false; |
| 188 | |
| 189 | // Check if we can change the size of the window dynamicly |
| 190 | xanim_chg_size = video_output->DynamicSize(); |
| 191 | // Get current display |
| 192 | #ifdef __XT__ |
| 193 | internal->xanim_dpy = wxAPP_DISPLAY; |
| 194 | #endif |
| 195 | #ifdef __WXGTK__ |
| 196 | internal->xanim_dpy = gdk_display; |
| 197 | #endif |
| 198 | // Get the window id |
| 199 | #ifdef __XT__ |
| 200 | internal->xanim_window = XtWindow(video_output->FWidget()); |
| 201 | #else |
| 202 | internal->xanim_window = |
| 203 | ((GdkWindowPrivate *)video_output->m_widget->window)->xwindow; |
| 204 | #endif |
| 205 | // Get the XANIM atom |
| 206 | internal->xanim_atom = XInternAtom(internal->xanim_dpy, |
| 207 | "XANIM_PROPERTY", False); |
| 208 | |
| 209 | // Build the command |
| 210 | xanim_command.sprintf(__XANIM_COMMAND__ " +W%d +Wp +f +B -Zr +q +Zpe +Ae " |
| 211 | "+Av70 %s %s", internal->xanim_window, |
| 212 | (xanim_chg_size == true) ? "+Sr" : "", |
| 213 | (const char *)GetCurrentFile()); |
| 214 | // Execute it |
| 215 | if (!wxExecute(xanim_command, false)) |
| 216 | return false; |
| 217 | |
| 218 | // Wait for XAnim to be ready |
| 219 | nitems = 0; |
| 220 | while (nitems == 0) { |
| 221 | ret = XGetWindowProperty(internal->xanim_dpy, internal->xanim_window, |
| 222 | internal->xanim_atom, |
| 223 | 0, 4, False, AnyPropertyType, &prop_type, |
| 224 | &prop_format, &nitems, &extra, |
| 225 | (unsigned char **)&prop); |
| 226 | // wxYield(); |
| 227 | } |
| 228 | |
| 229 | xanim_started = true; |
| 230 | |
| 231 | return true; |
| 232 | } |