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1 | // ------------------------------------------------------------------------- | |
2 | // Name: vidxanm.cpp | |
3 | // Purpose: wxMMedia | |
4 | // Author: Guilhem Lavaux | |
5 | // Created: 1997 | |
6 | // Updated: 1998 | |
7 | // Copyright: (C) 1997, 1998, 1999 Guilhem Lavaux | |
8 | // License: wxWindows license | |
9 | // ------------------------------------------------------------------------- | |
10 | ||
11 | #ifdef __GNUG__ | |
12 | #pragma implementation "vidxanm.h" | |
13 | #endif | |
14 | ||
15 | #include "wx/wxprec.h" | |
16 | ||
17 | #ifndef WX_PRECOMP | |
18 | #include <wx/wx.h> | |
19 | #endif | |
20 | ||
21 | #ifdef __WXGTK__ | |
22 | // Pizza ! | |
23 | #include <wx/gtk/win_gtk.h> | |
24 | #endif | |
25 | ||
26 | #include <X11/Xlib.h> | |
27 | #include <X11/Intrinsic.h> | |
28 | #ifdef __WXGTK__ | |
29 | #include <gtk/gtkwidget.h> | |
30 | #include <gtk/gtkwindow.h> | |
31 | #include <gdk/gdk.h> | |
32 | #include <gdk/gdkprivate.h> | |
33 | #endif | |
34 | ||
35 | #include <wx/filefn.h> | |
36 | #include <wx/wfstream.h> | |
37 | #include <wx/datstrm.h> | |
38 | #include <wx/tokenzr.h> | |
39 | ||
40 | #define WXMMEDIA_INTERNAL | |
41 | #include "wx/mmedia/vidbase.h" | |
42 | #include "wx/mmedia/vidxanm.h" | |
43 | ||
44 | IMPLEMENT_DYNAMIC_CLASS(wxVideoXANIM, wxVideoBaseDriver) | |
45 | ||
46 | // ------------------------------------------------------------------------- | |
47 | // End process detector | |
48 | ||
49 | class wxVideoXANIMProcess: public wxProcess { | |
50 | public: | |
51 | wxVideoXANIMProcess(wxVideoXANIM *xanim); | |
52 | ||
53 | void OnTerminate(int pid, int status); | |
54 | ||
55 | protected: | |
56 | wxVideoXANIM *m_vid_xanim; | |
57 | }; | |
58 | ||
59 | class wxVideoXANIMOutput: public wxProcess { | |
60 | public: | |
61 | wxVideoXANIMOutput(); | |
62 | ||
63 | void OnTerminate(int pid, int status); | |
64 | ||
65 | bool IsTerminated() const; | |
66 | protected: | |
67 | bool m_terminated; | |
68 | }; | |
69 | ||
70 | // ------------------------------------------------------------------------- | |
71 | // XAnim video driver (process handling implementation) | |
72 | ||
73 | wxVideoXANIMProcess::wxVideoXANIMProcess(wxVideoXANIM *xanim) | |
74 | { | |
75 | m_vid_xanim = xanim; | |
76 | } | |
77 | ||
78 | void wxVideoXANIMProcess::OnTerminate(int WXUNUSED(pid), int WXUNUSED(status)) | |
79 | { | |
80 | m_vid_xanim->m_xanim_started = false; | |
81 | m_vid_xanim->OnFinished(); | |
82 | } | |
83 | ||
84 | wxVideoXANIMOutput::wxVideoXANIMOutput() | |
85 | : wxProcess(NULL, wxID_ANY) | |
86 | { | |
87 | m_terminated = false; | |
88 | Redirect(); | |
89 | } | |
90 | ||
91 | bool wxVideoXANIMOutput::IsTerminated() const | |
92 | { | |
93 | return m_terminated; | |
94 | } | |
95 | ||
96 | void wxVideoXANIMOutput::OnTerminate(int pid, int status) | |
97 | { | |
98 | m_terminated = true; | |
99 | } | |
100 | ||
101 | // ------------------------------------------------------------------------- | |
102 | // XAnim video driver (implementation) | |
103 | ||
104 | wxVideoXANIM::wxVideoXANIM() | |
105 | : wxVideoBaseDriver() | |
106 | { | |
107 | m_internal = new wxXANIMinternal; | |
108 | m_xanim_detector = new wxVideoXANIMProcess(this); | |
109 | m_xanim_started = false; | |
110 | m_paused = false; | |
111 | m_filename = wxEmptyString; | |
112 | m_remove_file = false; | |
113 | } | |
114 | ||
115 | wxVideoXANIM::wxVideoXANIM(wxInputStream& str) | |
116 | : wxVideoBaseDriver(str) | |
117 | { | |
118 | m_internal = new wxXANIMinternal; | |
119 | m_xanim_detector = new wxVideoXANIMProcess(this); | |
120 | m_xanim_started = false; | |
121 | m_paused = false; | |
122 | m_size[0] = 0; | |
123 | m_size[1] = 0; | |
124 | ||
125 | m_filename = wxGetTempFileName(_T("vidxa")); | |
126 | m_remove_file = true; | |
127 | wxFileOutputStream fout(m_filename); | |
128 | ||
129 | fout << str; | |
130 | ||
131 | CollectInfo(); | |
132 | } | |
133 | ||
134 | wxVideoXANIM::wxVideoXANIM(const wxString& filename) | |
135 | { | |
136 | m_internal = new wxXANIMinternal; | |
137 | m_xanim_detector = new wxVideoXANIMProcess(this); | |
138 | m_xanim_started = false; | |
139 | m_paused = false; | |
140 | ||
141 | m_filename = filename; | |
142 | m_remove_file = false; | |
143 | m_size[0] = 0; | |
144 | m_size[1] = 0; | |
145 | ||
146 | CollectInfo(); | |
147 | } | |
148 | ||
149 | wxVideoXANIM::~wxVideoXANIM() | |
150 | { | |
151 | if (m_xanim_started) | |
152 | Stop(); | |
153 | delete m_internal; | |
154 | delete m_xanim_detector; | |
155 | ||
156 | if (m_remove_file) | |
157 | wxRemoveFile(m_filename); | |
158 | } | |
159 | ||
160 | // ------------------------------------------------------------------------- | |
161 | // Movie controller | |
162 | ||
163 | bool wxVideoXANIM::Play() | |
164 | { | |
165 | if (!m_paused && m_xanim_started) | |
166 | return true; | |
167 | if (!m_video_output) { | |
168 | wxVideoCreateFrame(this); | |
169 | return true; | |
170 | } | |
171 | ||
172 | // The movie starts with xanim | |
173 | if (RestartXANIM()) { | |
174 | m_paused = false; | |
175 | return true; | |
176 | } | |
177 | return false; | |
178 | } | |
179 | ||
180 | bool wxVideoXANIM::Pause() | |
181 | { | |
182 | if (!m_paused && SendCommand(" ")) { | |
183 | m_paused = true; | |
184 | return true; | |
185 | } | |
186 | return false; | |
187 | } | |
188 | ||
189 | bool wxVideoXANIM::Resume() | |
190 | { | |
191 | if (m_paused && SendCommand(" ")) { | |
192 | m_paused = false; | |
193 | return true; | |
194 | } | |
195 | return false; | |
196 | } | |
197 | ||
198 | bool wxVideoXANIM::Stop() | |
199 | { | |
200 | if (!m_xanim_started) | |
201 | return false; | |
202 | ||
203 | SendCommand("q"); | |
204 | ||
205 | // We are waiting for the termination of the subprocess. | |
206 | while (m_xanim_started) { | |
207 | wxYield(); | |
208 | } | |
209 | ||
210 | m_paused = false; | |
211 | ||
212 | return true; | |
213 | } | |
214 | ||
215 | // ------------------------------------------------------------------------- | |
216 | // Movie size controller | |
217 | ||
218 | bool wxVideoXANIM::SetSize(wxSize size) | |
219 | { | |
220 | if (!m_video_output) | |
221 | return false; | |
222 | ||
223 | m_video_output->SetSize(size.GetWidth(), size.GetHeight()); | |
224 | return false; | |
225 | } | |
226 | ||
227 | bool wxVideoXANIM::GetSize(wxSize& size) const | |
228 | { | |
229 | if (m_size[0] == 0) | |
230 | return false; | |
231 | size.Set(m_size[0], m_size[1]); | |
232 | return true; | |
233 | } | |
234 | ||
235 | // ------------------------------------------------------------------------- | |
236 | // Capabilities of XAnim | |
237 | ||
238 | bool wxVideoXANIM::IsCapable(wxVideoType v_type) const | |
239 | { | |
240 | if (v_type == wxVIDEO_MSAVI || v_type == wxVIDEO_MPEG || | |
241 | v_type == wxVIDEO_QT || v_type == wxVIDEO_GIF || v_type == wxVIDEO_JMOV || | |
242 | v_type == wxVIDEO_FLI || v_type == wxVIDEO_IFF || v_type == wxVIDEO_SGI) | |
243 | return true; | |
244 | else | |
245 | return false; | |
246 | } | |
247 | ||
248 | // ------------------------------------------------------------------------- | |
249 | // Movie state | |
250 | ||
251 | wxString wxVideoXANIM::GetMovieCodec() const | |
252 | { | |
253 | if (m_size[0] == 0) | |
254 | return wxT(""); | |
255 | return m_movieCodec; | |
256 | } | |
257 | ||
258 | wxString wxVideoXANIM::GetAudioCodec() const | |
259 | { | |
260 | if (m_size[0] == 0) | |
261 | return wxT(""); | |
262 | return m_audioCodec; | |
263 | } | |
264 | ||
265 | wxUint32 wxVideoXANIM::GetSampleRate() const | |
266 | { | |
267 | if (m_size[0] == 0) | |
268 | return 0; | |
269 | return m_sampleRate; | |
270 | } | |
271 | ||
272 | wxUint8 wxVideoXANIM::GetChannels() const | |
273 | { | |
274 | if (m_size[0] == 0) | |
275 | return 0; | |
276 | return m_channels; | |
277 | } | |
278 | ||
279 | wxUint8 wxVideoXANIM::GetBPS() const | |
280 | { | |
281 | if (m_size[0] == 0) | |
282 | return 0; | |
283 | return m_bps; | |
284 | } | |
285 | ||
286 | double wxVideoXANIM::GetFrameRate() const | |
287 | { | |
288 | if (m_size[0] == 0) | |
289 | return 0.0; | |
290 | return m_frameRate; | |
291 | } | |
292 | ||
293 | wxUint32 wxVideoXANIM::GetNbFrames() const | |
294 | { | |
295 | if (m_size[0] == 0) | |
296 | return 0; | |
297 | return m_frames; | |
298 | } | |
299 | ||
300 | ||
301 | bool wxVideoXANIM::IsPaused() const | |
302 | { | |
303 | return m_paused; | |
304 | } | |
305 | ||
306 | bool wxVideoXANIM::IsStopped() const | |
307 | { | |
308 | return !m_xanim_started; | |
309 | } | |
310 | ||
311 | // ------------------------------------------------------------------------- | |
312 | // Output management | |
313 | ||
314 | bool wxVideoXANIM::AttachOutput(wxWindow& out) | |
315 | { | |
316 | if (!wxVideoBaseDriver::AttachOutput(out)) | |
317 | return false; | |
318 | ||
319 | return true; | |
320 | } | |
321 | ||
322 | void wxVideoXANIM::DetachOutput() | |
323 | { | |
324 | SendCommand("q"); | |
325 | m_xanim_started = false; | |
326 | m_paused = false; | |
327 | ||
328 | wxVideoBaseDriver::DetachOutput(); | |
329 | } | |
330 | ||
331 | // ------------------------------------------------------------------------- | |
332 | // Lowlevel XAnim controller | |
333 | ||
334 | bool wxVideoXANIM::SendCommand(const char *command, char **ret, | |
335 | wxUint32 *size) | |
336 | { | |
337 | if (!m_xanim_started) | |
338 | if (!RestartXANIM()) | |
339 | return false; | |
340 | ||
341 | // Send a command to XAnim through X11 Property | |
342 | XChangeProperty(m_internal->xanim_dpy, m_internal->xanim_window, | |
343 | m_internal->xanim_atom, | |
344 | XA_STRING, 8, PropModeReplace, (unsigned char *)command, | |
345 | strlen(command)); | |
346 | XFlush(m_internal->xanim_dpy); | |
347 | if (ret) { | |
348 | int prop_format; | |
349 | Atom prop_type; | |
350 | unsigned long extra; | |
351 | ||
352 | XGetWindowProperty(m_internal->xanim_dpy, m_internal->xanim_window, | |
353 | m_internal->xanim_ret, 0, 16, True, AnyPropertyType, | |
354 | &prop_type, &prop_format, (unsigned long *)size, | |
355 | &extra, (unsigned char **)ret); | |
356 | } | |
357 | return true; | |
358 | } | |
359 | ||
360 | bool wxVideoXANIM::CollectInfo() | |
361 | { | |
362 | wxVideoXANIMOutput *xanimProcess; | |
363 | wxString xanim_command; | |
364 | wxStringTokenizer tokenizer; | |
365 | ||
366 | xanimProcess = new wxVideoXANIMOutput; | |
367 | xanim_command = wxT("xanim +v +Zv -Ae "); | |
368 | xanim_command += m_filename; | |
369 | if (!wxExecute(xanim_command, false, xanimProcess)) | |
370 | return false; | |
371 | ||
372 | wxInputStream *infoStream = xanimProcess->GetInputStream(); | |
373 | wxString totalOutput; | |
374 | ||
375 | while (infoStream->GetLastError() == wxSTREAM_NO_ERROR) { | |
376 | char line[100]; | |
377 | ||
378 | infoStream->Read(line, sizeof(line)-1); | |
379 | if (infoStream->LastRead() == 0) | |
380 | break; | |
381 | ||
382 | line[infoStream->LastRead()] = 0; | |
383 | ||
384 | totalOutput += wxString::FromAscii(line); | |
385 | } | |
386 | ||
387 | // This is good for everything ... :-) | |
388 | int position = totalOutput.Find(wxT("Video Codec:")); | |
389 | ||
390 | totalOutput.Remove(0, position+13); | |
391 | ||
392 | position = totalOutput.Find(wxT("depth=")); | |
393 | m_movieCodec = totalOutput(0, position); | |
394 | ||
395 | totalOutput.Remove(0, position); | |
396 | tokenizer.SetString(totalOutput, wxT("\n\r")); | |
397 | ||
398 | // the rest of the line | |
399 | wxString token = tokenizer.GetNextToken(); | |
400 | unsigned long my_long; | |
401 | ||
402 | #define GETINT(i) \ | |
403 | totalOutput.ToULong(&my_long); \ | |
404 | i = my_long; | |
405 | ||
406 | // 'Audio Codec:' | |
407 | totalOutput = tokenizer.GetString(); | |
408 | totalOutput.Remove(0, totalOutput.Find(wxT(":"))+2); | |
409 | ||
410 | position = totalOutput.Find(wxT("Rate")); | |
411 | m_audioCodec = totalOutput(0, position-1); | |
412 | ||
413 | // 'Rate=' | |
414 | totalOutput.Remove(0, totalOutput.Find(wxT("="))+1); | |
415 | GETINT(m_sampleRate); | |
416 | // 'Chans=' | |
417 | totalOutput.Remove(0, totalOutput.Find(wxT("="))+1); | |
418 | GETINT(m_channels); | |
419 | // 'Bps=' | |
420 | totalOutput.Remove(0, totalOutput.Find(wxT("="))+1); | |
421 | GETINT(m_bps); | |
422 | // 'Frame Stats:' | |
423 | tokenizer.Reinit(totalOutput); | |
424 | tokenizer.GetNextToken(); | |
425 | totalOutput = tokenizer.GetString(); | |
426 | totalOutput.Remove(0, totalOutput.Find(wxT(":"))+2); | |
427 | // 'Size=' | |
428 | totalOutput.Remove(0, totalOutput.Find(wxT("="))+1); | |
429 | GETINT(m_size[0]); | |
430 | // 'x' | |
431 | totalOutput.Remove(0,1); | |
432 | GETINT(m_size[1]); | |
433 | // 'Frames=' | |
434 | totalOutput.Remove(0, totalOutput.Find(wxT("="))+1); | |
435 | GETINT(m_frames); | |
436 | // 'avfps=' | |
437 | totalOutput.Remove(0, totalOutput.Find(wxT("="))+1); | |
438 | totalOutput.ToDouble(&m_frameRate); | |
439 | ||
440 | // We wait for the conclusion | |
441 | while (!xanimProcess->IsTerminated()) | |
442 | wxYield(); | |
443 | ||
444 | delete xanimProcess; | |
445 | ||
446 | return true; | |
447 | } | |
448 | ||
449 | bool wxVideoXANIM::RestartXANIM() | |
450 | { | |
451 | wxString xanim_command; | |
452 | int ret; | |
453 | Atom prop_type; | |
454 | int prop_format; | |
455 | unsigned long nitems; | |
456 | unsigned long extra; | |
457 | char prop[4]; | |
458 | bool xanim_chg_size; | |
459 | ||
460 | if (!m_video_output || m_xanim_started) | |
461 | return false; | |
462 | ||
463 | // Check if we can change the size of the window dynamicly | |
464 | xanim_chg_size = true; | |
465 | // Get current display | |
466 | #ifdef __WXGTK__ | |
467 | m_internal->xanim_dpy = gdk_display; | |
468 | GtkPizza *pizza = GTK_PIZZA( m_video_output->m_wxwindow ); | |
469 | GdkWindow *window = pizza->bin_window; | |
470 | ||
471 | m_internal->xanim_window = GDK_WINDOW_XWINDOW(window); | |
472 | #endif | |
473 | // Get the XANIM atom | |
474 | m_internal->xanim_atom = XInternAtom(m_internal->xanim_dpy, | |
475 | "XANIM_PROPERTY", False); | |
476 | ||
477 | // Build the command | |
478 | xanim_command.Printf(wxT("xanim -Zr +Ze +Sr +f +W%d +f +q " | |
479 | "+Av70 %s %s"), m_internal->xanim_window, | |
480 | (xanim_chg_size) ? _T("") : _T(""), | |
481 | WXSTRINGCAST m_filename); | |
482 | ||
483 | // Execute it | |
484 | if (!wxExecute(xanim_command, false, m_xanim_detector)) | |
485 | return false; | |
486 | ||
487 | // Wait for XAnim to be ready | |
488 | nitems = 0; | |
489 | m_xanim_started = true; | |
490 | while (nitems == 0 && m_xanim_started) { | |
491 | ret = XGetWindowProperty(m_internal->xanim_dpy, m_internal->xanim_window, | |
492 | m_internal->xanim_atom, | |
493 | 0, 4, False, AnyPropertyType, &prop_type, | |
494 | &prop_format, &nitems, &extra, | |
495 | (unsigned char **)&prop); | |
496 | wxYield(); | |
497 | } | |
498 | ||
499 | wxSize vibrato_size; | |
500 | ||
501 | vibrato_size = m_video_output->GetSize(); | |
502 | ||
503 | vibrato_size.SetWidth(vibrato_size.GetWidth()+1); | |
504 | m_video_output->SetSize(vibrato_size); | |
505 | vibrato_size.SetWidth(vibrato_size.GetWidth()-1); | |
506 | m_video_output->SetSize(vibrato_size); | |
507 | // Very useful ! Actually it "should" sends a SETSIZE event to XAnim | |
508 | // FIXME: This event is not sent !! | |
509 | ||
510 | m_paused = false; | |
511 | ||
512 | return true; | |
513 | } |