1 /*****************************************************************************
2 * vout_beos.cpp: beos video output display method
3 *****************************************************************************
4 * Copyright (C) 2000, 2001 VideoLAN
5 * $Id: vout_beos.cpp,v 1.25 2001/04/29 17:03:20 sam Exp $
7 * Authors: Jean-Marc Dressler <polux@via.ecp.fr>
8 * Samuel Hocevar <sam@zoy.org>
9 * Tony Castley <tcastley@mail.powerup.com.au>
10 * Richard Shepherd <richard@rshepherd.demon.co.uk>
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License as published by
14 * the Free Software Foundation; either version 2 of the License, or
15 * (at your option) any later version.
17 * This program is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 * GNU General Public License for more details.
22 * You should have received a copy of the GNU General Public License
23 * along with this program; if not, write to the Free Software
24 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
25 *****************************************************************************/
27 #define MODULE_NAME beos
28 #include "modules_inner.h"
30 /*****************************************************************************
32 *****************************************************************************/
35 #include <errno.h> /* ENOMEM */
36 #include <stdlib.h> /* free() */
38 #include <string.h> /* strerror() */
39 #include <kernel/OS.h>
41 #include <Application.h>
58 #include "video_output.h"
60 #include "interface.h"
66 #include "VideoWindow.h"
71 #define BITS_PER_PLANE 16
72 #define BYTES_PER_PIXEL 2
74 /*****************************************************************************
75 * vout_sys_t: BeOS video output method descriptor
76 *****************************************************************************
77 * This structure is part of the video output thread descriptor.
78 * It describes the BeOS specific properties of an output thread.
79 *****************************************************************************/
81 typedef struct vout_sys_s
83 VideoWindow * p_window;
85 byte_t * pp_buffer[2];
91 /*****************************************************************************
92 * beos_GetAppWindow : retrieve a BWindow pointer from the window name
93 *****************************************************************************/
95 BWindow *beos_GetAppWindow(char *name)
100 for (index = 0 ; ; index++)
102 window = be_app->WindowAt(index);
105 if (window->LockWithTimeout(200000) == B_OK)
107 if (strcmp(window->Name(), name) == 0)
118 /*****************************************************************************
119 * DrawingThread : thread that really does the drawing
120 *****************************************************************************/
122 int32 DrawingThread(void *data)
125 w = (VideoWindow*) data;
127 while(!w->teardownwindow)
136 w->view->SetViewOverlay( w->bitmap[w->i_buffer_index],
137 w->bitmap[w->i_buffer_index]->Bounds(),
141 B_OVERLAY_FILTER_HORIZONTAL | B_OVERLAY_FILTER_VERTICAL
142 | B_OVERLAY_TRANSFER_CHANNEL );
143 w->view->SetViewColor(key);
147 w->view->DrawBitmap( w->bitmap[w->i_buffer_index],
148 w->bitmap[w->i_buffer_index]->Bounds(),
156 else // we couldn't lock the window, it probably closed.
165 /*****************************************************************************
166 * VideoWindow constructor and destructor
167 *****************************************************************************/
169 VideoWindow::VideoWindow(BRect frame, const char *name, vout_thread_t *p_video_output )
170 : BWindow(frame, name, B_TITLED_WINDOW, NULL)
172 float minWidth, minHeight, maxWidth, maxHeight;
174 teardownwindow = false;
176 p_vout = p_video_output;
177 fDrawThreadID = NULL;
182 view = new VLCView(Bounds());
184 bitmap[0] = new BBitmap(Bounds(), B_BITMAP_WILL_OVERLAY|B_BITMAP_RESERVE_OVERLAY_CHANNEL, B_YCbCr422);
185 bitmap[1] = new BBitmap(Bounds(), B_BITMAP_WILL_OVERLAY, B_YCbCr422);
186 fUsingOverlay = true;
188 p_vout->b_YCbr = true;
190 if ((bitmap[0]->InitCheck() != B_OK) || (bitmap[1]->InitCheck() != B_OK))
194 p_vout->b_YCbr = false;
195 fUsingOverlay = false;
197 screen = new BScreen();
198 color_space space = screen->ColorSpace();
203 bitmap[0] = new BBitmap(Bounds(), B_RGB15);
204 bitmap[1] = new BBitmap(Bounds(), B_RGB15);
207 else if(space == B_RGB16)
209 bitmap[0] = new BBitmap(Bounds(), B_RGB16);
210 bitmap[1] = new BBitmap(Bounds(), B_RGB16);
213 else //default to 32bpp
215 bitmap[0] = new BBitmap(Bounds(), B_RGB32);
216 bitmap[1] = new BBitmap(Bounds(), B_RGB32);
219 SetTitle(VOUT_TITLE " (BBitmap output)");
225 view->SetViewOverlay(bitmap[0], bitmap[0]->Bounds(), Bounds(), &key, B_FOLLOW_ALL,
226 B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL);
227 view->SetViewColor(key);
228 SetTitle(VOUT_TITLE " (Overlay output)");
229 GetSizeLimits(&minWidth, &maxWidth, &minHeight, &maxHeight);
230 SetSizeLimits((float) Bounds().IntegerWidth(), maxWidth, (float) Bounds().IntegerHeight(), maxHeight);
234 fDrawThreadID = spawn_thread(DrawingThread, "drawing_thread",
235 B_DISPLAY_PRIORITY, (void*) this);
236 resume_thread(fDrawThreadID);
239 memset(bitmap[0]->Bits(), 0, bitmap[0]->BitsLength());
240 memset(bitmap[1]->Bits(), 0, bitmap[1]->BitsLength());
241 i_bytes_per_pixel = bitmap[0]->BytesPerRow()/bitmap[0]->Bounds().IntegerWidth();
242 fRowBytes = bitmap[0]->BytesPerRow();
247 VideoWindow::~VideoWindow()
253 // if(!fUsingOverlay)
255 teardownwindow = true;
256 wait_for_thread(fDrawThreadID, &result);
263 /*****************************************************************************
264 * VideoWindow::FrameResized
265 *****************************************************************************/
266 void VideoWindow::FrameResized( float width, float height )
270 /*****************************************************************************
272 *****************************************************************************/
274 void VideoWindow::Zoom(BPoint origin, float width, float height )
278 MoveTo(rect.left, rect.top);
279 ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
280 be_app->ShowCursor();
286 screen = new BScreen(this);
287 BRect rect = screen->Frame();
290 ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
291 be_app->HideCursor();
293 is_zoomed = !is_zoomed;
296 /*****************************************************************************
297 * VideoWindow::MessageReceived
298 *****************************************************************************/
300 void VideoWindow::MessageReceived( BMessage * p_message )
304 switch( p_message->what )
308 // post the message to the interface window which will handle it
309 p_win = beos_GetAppWindow( "interface" );
312 p_win->PostMessage( p_message );
317 BWindow::MessageReceived( p_message );
322 /*****************************************************************************
323 * VideoWindow::QuitRequested
324 *****************************************************************************/
326 bool VideoWindow::QuitRequested()
328 /* FIXME: send a message ! */
329 p_main->p_intf->b_die = 1;
330 teardownwindow = true;
334 /*****************************************************************************
336 *****************************************************************************/
337 VLCView::VLCView(BRect bounds) : BView(bounds, "", B_FOLLOW_ALL, B_WILL_DRAW)
339 SetViewColor(B_TRANSPARENT_32_BIT);
342 /*****************************************************************************
344 *****************************************************************************/
350 /*****************************************************************************
352 *****************************************************************************/
353 void VLCView::MouseDown(BPoint point)
355 VideoWindow *w = (VideoWindow *) Window();
358 BWindow *win = Window();
366 /*****************************************************************************
368 *****************************************************************************/
369 static int vout_Probe ( probedata_t *p_data );
370 static int vout_Create ( struct vout_thread_s * );
371 static int vout_Init ( struct vout_thread_s * );
372 static void vout_End ( struct vout_thread_s * );
373 static void vout_Destroy ( struct vout_thread_s * );
374 static int vout_Manage ( struct vout_thread_s * );
375 static void vout_Display ( struct vout_thread_s * );
377 static int BeosOpenDisplay ( vout_thread_t *p_vout );
378 static void BeosCloseDisplay( vout_thread_t *p_vout );
380 /*****************************************************************************
381 * Functions exported as capabilities. They are declared as static so that
382 * we don't pollute the namespace too much.
383 *****************************************************************************/
384 void _M( vout_getfunctions )( function_list_t * p_function_list )
386 p_function_list->pf_probe = vout_Probe;
387 p_function_list->functions.vout.pf_create = vout_Create;
388 p_function_list->functions.vout.pf_init = vout_Init;
389 p_function_list->functions.vout.pf_end = vout_End;
390 p_function_list->functions.vout.pf_destroy = vout_Destroy;
391 p_function_list->functions.vout.pf_manage = vout_Manage;
392 p_function_list->functions.vout.pf_display = vout_Display;
393 p_function_list->functions.vout.pf_setpalette = NULL;
396 /*****************************************************************************
397 * vout_Probe: probe the video driver and return a score
398 *****************************************************************************
399 * This function tries to initialize SDL and returns a score to the
400 * plugin manager so that it can select the best plugin.
401 *****************************************************************************/
402 static int vout_Probe( probedata_t *p_data )
404 if( TestMethod( VOUT_METHOD_VAR, "beos" ) )
412 /*****************************************************************************
413 * vout_Create: allocates BeOS video thread output method
414 *****************************************************************************
415 * This function allocates and initializes a BeOS vout method.
416 *****************************************************************************/
417 int vout_Create( vout_thread_t *p_vout )
419 /* Allocate structure */
420 p_vout->p_sys = (vout_sys_t*) malloc( sizeof( vout_sys_t ) );
421 if( p_vout->p_sys == NULL )
423 intf_ErrMsg( "error: %s", strerror(ENOMEM) );
427 /* Set video window's size */
428 p_vout->i_width = main_GetIntVariable( VOUT_WIDTH_VAR,
429 VOUT_WIDTH_DEFAULT );
430 p_vout->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
431 VOUT_HEIGHT_DEFAULT );
433 /* Open and initialize device */
434 if( BeosOpenDisplay( p_vout ) )
436 intf_ErrMsg("vout error: can't open display");
437 free( p_vout->p_sys );
444 /*****************************************************************************
445 * vout_Init: initialize BeOS video thread output method
446 *****************************************************************************/
447 int vout_Init( vout_thread_t *p_vout )
449 VideoWindow * p_win = p_vout->p_sys->p_window;
453 i_page_size = p_vout->i_width * p_vout->i_height * p_vout->i_bytes_per_pixel;
455 p_vout->p_sys->i_width = p_vout->i_width;
456 p_vout->p_sys->i_height = p_vout->i_height;
458 /* if(p_win->fUsingOverlay)
460 if(p_win->bitmap[0] != NULL)
462 vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
463 (byte_t *)p_win->bitmap[0]->Bits());
464 delete p_win->bitmap[0];
465 p_win->bitmap[0] = NULL;
470 if((p_win->bitmap[0] != NULL) && (p_win->bitmap[1] != NULL))
472 vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
473 (byte_t *)p_win->bitmap[1]->Bits());
476 if((p_win->bitmap[0] != NULL) && (p_win->bitmap[1] != NULL))
478 vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
479 (byte_t *)p_win->bitmap[1]->Bits());
485 /*****************************************************************************
486 * vout_End: terminate BeOS video thread output method
487 *****************************************************************************/
488 void vout_End( vout_thread_t *p_vout )
492 /*****************************************************************************
493 * vout_Destroy: destroy BeOS video thread output method
494 *****************************************************************************
495 * Terminate an output method created by DummyCreateOutputMethod
496 *****************************************************************************/
497 void vout_Destroy( vout_thread_t *p_vout )
499 BeosCloseDisplay( p_vout );
501 free( p_vout->p_sys );
504 /*****************************************************************************
505 * vout_Manage: handle BeOS events
506 *****************************************************************************
507 * This function should be called regularly by video output thread. It manages
508 * console events. It returns a non null value on error.
509 *****************************************************************************/
510 int vout_Manage( vout_thread_t *p_vout )
512 VideoWindow * p_win = p_vout->p_sys->p_window;
514 float minWidth, minHeight, maxWidth, maxHeight;
516 if( (p_vout->i_width != p_vout->p_sys->i_width) ||
517 (p_vout->i_height != p_vout->p_sys->i_height) )
519 /* If video output size has changed, change interface window size */
520 intf_DbgMsg( "resizing output window" );
521 if(p_win->fUsingOverlay)
524 p_win->view->ClearViewOverlay();
525 delete p_win->bitmap[0];
526 delete p_win->bitmap[1];
527 p_vout->p_sys->i_width = p_vout->i_width;
528 p_vout->p_sys->i_height = p_vout->i_height;;
529 p_win->GetSizeLimits(&minWidth, &maxWidth, &minHeight, &maxHeight);
530 p_win->SetSizeLimits((float) p_vout->p_sys->i_width, maxWidth, (float) p_vout->p_sys->i_height, maxHeight);
531 p_win->ResizeTo(p_vout->p_sys->i_width, p_vout->p_sys->i_height);
532 p_win->bitmap[0] = new BBitmap(p_win->Bounds(),
533 B_BITMAP_WILL_OVERLAY|B_BITMAP_RESERVE_OVERLAY_CHANNEL,
535 p_win->bitmap[0] = new BBitmap(p_win->Bounds(),
536 B_BITMAP_WILL_OVERLAY, B_YCbCr422);
537 memset(p_win->bitmap[0]->Bits(), 0, p_win->bitmap[0]->BitsLength());
538 memset(p_win->bitmap[1]->Bits(), 0, p_win->bitmap[1]->BitsLength());
539 p_win->view->SetViewOverlay(p_win->bitmap[0], p_win->bitmap[0]->Bounds(), p_win->Bounds(), &key, B_FOLLOW_ALL,
540 B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL|B_OVERLAY_TRANSFER_CHANNEL);
541 p_win->view->SetViewColor(key);
543 vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
544 (byte_t *)p_win->bitmap[0]->Bits());
545 delete p_win->bitmap[0];
551 /*****************************************************************************
552 * vout_Display: displays previously rendered output
553 *****************************************************************************
554 * This function send the currently rendered image to BeOS image, waits until
555 * it is displayed and switch the two rendering buffers, preparing next frame.
556 *****************************************************************************/
557 void vout_Display( vout_thread_t *p_vout )
559 VideoWindow * p_win = p_vout->p_sys->p_window;
561 p_win->i_buffer_index = p_vout->i_buffer_index;
562 if(p_win->fUsingOverlay)
563 p_vout->i_buffer_index = p_vout->i_buffer_index & 1;
565 p_vout->i_buffer_index = ++p_vout->i_buffer_index & 1;
566 p_win->fDirty = true;
569 /* following functions are local */
571 /*****************************************************************************
572 * BeosOpenDisplay: open and initialize BeOS device
573 *****************************************************************************
574 * XXX?? The framebuffer mode is only provided as a fast and efficient way to
575 * display video, providing the card is configured and the mode ok. It is
576 * not portable, and is not supposed to work with many cards. Use at your
578 *****************************************************************************/
580 static int BeosOpenDisplay( vout_thread_t *p_vout )
582 p_vout->p_sys->p_window =
583 new VideoWindow( BRect( 80, 50, 80+p_vout->i_width-1, 50+p_vout->i_height-1 ), NULL, p_vout );
584 if( p_vout->p_sys->p_window == 0 )
586 free( p_vout->p_sys );
587 intf_ErrMsg( "error: cannot allocate memory for VideoWindow" );
590 VideoWindow * p_win = p_vout->p_sys->p_window;
592 p_vout->i_screen_depth = p_win->i_screen_depth;
593 p_vout->i_bytes_per_pixel = p_win->i_bytes_per_pixel;
594 p_vout->i_bytes_per_line = p_vout->i_width*p_win->i_bytes_per_pixel;
596 switch( p_vout->i_screen_depth )
599 intf_ErrMsg( "vout error: 8 bit mode not fully supported" );
602 p_vout->i_red_mask = 0x7c00;
603 p_vout->i_green_mask = 0x03e0;
604 p_vout->i_blue_mask = 0x001f;
607 p_vout->i_red_mask = 0xf800;
608 p_vout->i_green_mask = 0x07e0;
609 p_vout->i_blue_mask = 0x001f;
614 p_vout->i_red_mask = 0xff0000;
615 p_vout->i_green_mask = 0x00ff00;
616 p_vout->i_blue_mask = 0x0000ff;
622 /*****************************************************************************
623 * BeosDisplay: close and reset BeOS device
624 *****************************************************************************
625 * Returns all resources allocated by BeosOpenDisplay and restore the original
626 * state of the device.
627 *****************************************************************************/
628 static void BeosCloseDisplay( vout_thread_t *p_vout )
630 /* Destroy the video window */
631 p_vout->p_sys->p_window->Lock();
632 p_vout->p_sys->p_window->Quit();