1 /*****************************************************************************
2 * vout_beos.cpp: beos video output display method
3 *****************************************************************************
4 * Copyright (C) 2000, 2001 VideoLAN
6 * Authors: Jean-Marc Dressler <polux@via.ecp.fr>
7 * Samuel Hocevar <sam@zoy.org>
8 * Tony Castley <tcastley@mail.powerup.com.au>
9 * Richard Shepherd <richard@rshepherd.demon.co.uk>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
24 *****************************************************************************/
26 #define MODULE_NAME beos
27 #include "modules_inner.h"
29 /*****************************************************************************
31 *****************************************************************************/
34 #include <errno.h> /* ENOMEM */
35 #include <stdlib.h> /* free() */
37 #include <string.h> /* strerror() */
38 #include <kernel/OS.h>
40 #include <Application.h>
57 #include "video_output.h"
59 #include "interface.h"
65 #include "VideoWindow.h"
70 #define BITS_PER_PLANE 16
71 #define BYTES_PER_PIXEL 2
73 /*****************************************************************************
74 * vout_sys_t: BeOS video output method descriptor
75 *****************************************************************************
76 * This structure is part of the video output thread descriptor.
77 * It describes the BeOS specific properties of an output thread.
78 *****************************************************************************/
80 typedef struct vout_sys_s
82 VideoWindow * p_window;
84 byte_t * pp_buffer[2];
90 /*****************************************************************************
91 * beos_GetAppWindow : retrieve a BWindow pointer from the window name
92 *****************************************************************************/
94 BWindow *beos_GetAppWindow(char *name)
99 for (index = 0 ; ; index++)
101 window = be_app->WindowAt(index);
104 if (window->LockWithTimeout(200000) == B_OK)
106 if (strcmp(window->Name(), name) == 0)
117 /*****************************************************************************
118 * DrawingThread : thread that really does the drawing
119 *****************************************************************************/
121 int32 DrawingThread(void *data)
124 w = (VideoWindow*) data;
126 while(!w->teardownwindow)
131 w->view->DrawBitmap(w->bitmap[w->i_buffer_index], w->bitmap[w->i_buffer_index]->Bounds(), w->Bounds());
140 /*****************************************************************************
141 * VideoWindow constructor and destructor
142 *****************************************************************************/
144 VideoWindow::VideoWindow(BRect frame, const char *name, vout_thread_t *p_video_output )
145 : BWindow(frame, name, B_DOCUMENT_WINDOW, NULL)
147 float minWidth, minHeight, maxWidth, maxHeight;
149 teardownwindow = false;
151 p_vout = p_video_output;
152 fDrawThreadID = NULL;
155 view = new VLCView(Bounds());
157 bitmap[0] = new BBitmap(Bounds(), B_BITMAP_WILL_OVERLAY|B_BITMAP_RESERVE_OVERLAY_CHANNEL, B_YCbCr422);
158 fUsingOverlay = true;
160 p_vout->b_YCbr = true;
162 if (bitmap[0]->InitCheck() != B_OK)
165 p_vout->b_YCbr = false;
166 fUsingOverlay = false;
168 screen = new BScreen();
169 color_space space = screen->ColorSpace();
174 bitmap[0] = new BBitmap(Bounds(), B_RGB15);
175 bitmap[1] = new BBitmap(Bounds(), B_RGB15);
178 else if(space == B_RGB16)
180 bitmap[0] = new BBitmap(Bounds(), B_RGB16);
181 bitmap[1] = new BBitmap(Bounds(), B_RGB16);
184 else //default to 32bpp
186 bitmap[0] = new BBitmap(Bounds(), B_RGB32);
187 bitmap[1] = new BBitmap(Bounds(), B_RGB32);
190 memset(bitmap[0]->Bits(), 0, bitmap[0]->BitsLength());
191 memset(bitmap[1]->Bits(), 0, bitmap[1]->BitsLength());
192 SetTitle(VOUT_TITLE " (BBitmap output)");
197 memset(bitmap[0]->Bits(), 0, bitmap[0]->BitsLength());
199 view->SetViewOverlay(bitmap[0], bitmap[0]->Bounds(), Bounds(), &key, B_FOLLOW_ALL,
200 B_OVERLAY_FILTER_HORIZONTAL|B_OVERLAY_FILTER_VERTICAL);
201 view->SetViewColor(key);
202 SetTitle(VOUT_TITLE " (Overlay output)");
203 GetSizeLimits(&minWidth, &maxWidth, &minHeight, &maxHeight);
204 SetSizeLimits((float) Bounds().IntegerWidth(), maxWidth, (float) Bounds().IntegerHeight(), maxHeight);
208 fDrawThreadID = spawn_thread(DrawingThread, "drawing_thread",
209 B_DISPLAY_PRIORITY, (void*) this);
210 resume_thread(fDrawThreadID);
213 i_bytes_per_pixel = bitmap[0]->BytesPerRow()/bitmap[0]->Bounds().IntegerWidth();
214 fRowBytes = bitmap[0]->BytesPerRow();
219 VideoWindow::~VideoWindow()
227 teardownwindow = true;
228 wait_for_thread(fDrawThreadID, &result);
235 /*****************************************************************************
236 * VideoWindow::FrameResized
237 *****************************************************************************/
238 void VideoWindow::FrameResized( float width, float height )
242 /*****************************************************************************
244 *****************************************************************************/
246 void VideoWindow::Zoom(BPoint origin, float width, float height )
250 SetLook(B_DOCUMENT_WINDOW_LOOK);
251 MoveTo(rect.left, rect.top);
252 ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
253 be_app->ShowCursor();
259 screen = new BScreen(this);
260 BRect rect = screen->Frame();
262 SetLook(B_NO_BORDER_WINDOW_LOOK);
264 ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
265 be_app->HideCursor();
267 is_zoomed = !is_zoomed;
270 /*****************************************************************************
271 * VideoWindow::MessageReceived
272 *****************************************************************************/
274 void VideoWindow::MessageReceived( BMessage * p_message )
278 switch( p_message->what )
282 // post the message to the interface window which will handle it
283 p_win = beos_GetAppWindow( "interface" );
286 p_win->PostMessage( p_message );
291 BWindow::MessageReceived( p_message );
296 /*****************************************************************************
297 * VideoWindow::QuitRequested
298 *****************************************************************************/
300 bool VideoWindow::QuitRequested()
302 /* FIXME: send a message ! */
303 p_main->p_intf->b_die = 1;
304 teardownwindow = true;
308 /*****************************************************************************
310 *****************************************************************************/
311 VLCView::VLCView(BRect bounds) : BView(bounds, "", B_FOLLOW_ALL, B_WILL_DRAW)
313 SetViewColor(B_TRANSPARENT_32_BIT);
316 /*****************************************************************************
318 *****************************************************************************/
324 /*****************************************************************************
326 *****************************************************************************/
327 void VLCView::MouseDown(BPoint point)
329 VideoWindow *w = (VideoWindow *) Window();
332 BWindow *win = Window();
340 /*****************************************************************************
342 *****************************************************************************/
343 static int vout_Probe ( probedata_t *p_data );
344 static int vout_Create ( struct vout_thread_s * );
345 static int vout_Init ( struct vout_thread_s * );
346 static void vout_End ( struct vout_thread_s * );
347 static void vout_Destroy ( struct vout_thread_s * );
348 static int vout_Manage ( struct vout_thread_s * );
349 static void vout_Display ( struct vout_thread_s * );
351 static int BeosOpenDisplay ( vout_thread_t *p_vout );
352 static void BeosCloseDisplay( vout_thread_t *p_vout );
354 /*****************************************************************************
355 * Functions exported as capabilities. They are declared as static so that
356 * we don't pollute the namespace too much.
357 *****************************************************************************/
358 void _M( vout_getfunctions )( function_list_t * p_function_list )
360 p_function_list->pf_probe = vout_Probe;
361 p_function_list->functions.vout.pf_create = vout_Create;
362 p_function_list->functions.vout.pf_init = vout_Init;
363 p_function_list->functions.vout.pf_end = vout_End;
364 p_function_list->functions.vout.pf_destroy = vout_Destroy;
365 p_function_list->functions.vout.pf_manage = vout_Manage;
366 p_function_list->functions.vout.pf_display = vout_Display;
367 p_function_list->functions.vout.pf_setpalette = NULL;
370 /*****************************************************************************
371 * vout_Probe: probe the video driver and return a score
372 *****************************************************************************
373 * This function tries to initialize SDL and returns a score to the
374 * plugin manager so that it can select the best plugin.
375 *****************************************************************************/
376 static int vout_Probe( probedata_t *p_data )
378 if( TestMethod( VOUT_METHOD_VAR, "beos" ) )
386 /*****************************************************************************
387 * vout_Create: allocates BeOS video thread output method
388 *****************************************************************************
389 * This function allocates and initializes a BeOS vout method.
390 *****************************************************************************/
391 int vout_Create( vout_thread_t *p_vout )
393 /* Allocate structure */
394 p_vout->p_sys = (vout_sys_t*) malloc( sizeof( vout_sys_t ) );
395 if( p_vout->p_sys == NULL )
397 intf_ErrMsg( "error: %s", strerror(ENOMEM) );
401 /* Set video window's size */
402 p_vout->i_width = main_GetIntVariable( VOUT_WIDTH_VAR,
403 VOUT_WIDTH_DEFAULT );
404 p_vout->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
405 VOUT_HEIGHT_DEFAULT );
407 /* Open and initialize device */
408 if( BeosOpenDisplay( p_vout ) )
410 intf_ErrMsg("vout error: can't open display");
411 free( p_vout->p_sys );
418 /*****************************************************************************
419 * vout_Init: initialize BeOS video thread output method
420 *****************************************************************************/
421 int vout_Init( vout_thread_t *p_vout )
423 VideoWindow * p_win = p_vout->p_sys->p_window;
427 i_page_size = p_vout->i_width * p_vout->i_height * p_vout->i_bytes_per_pixel;
429 p_vout->p_sys->i_width = p_vout->i_width;
430 p_vout->p_sys->i_height = p_vout->i_height;
432 if(p_win->fUsingOverlay)
434 vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
435 (byte_t *)p_win->bitmap[0]->Bits());
436 delete p_win->bitmap[0];
440 vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
441 (byte_t *)p_win->bitmap[1]->Bits());
446 /*****************************************************************************
447 * vout_End: terminate BeOS video thread output method
448 *****************************************************************************/
449 void vout_End( vout_thread_t *p_vout )
453 /*****************************************************************************
454 * vout_Destroy: destroy BeOS video thread output method
455 *****************************************************************************
456 * Terminate an output method created by DummyCreateOutputMethod
457 *****************************************************************************/
458 void vout_Destroy( vout_thread_t *p_vout )
460 BeosCloseDisplay( p_vout );
462 free( p_vout->p_sys );
465 /*****************************************************************************
466 * vout_Manage: handle BeOS events
467 *****************************************************************************
468 * This function should be called regularly by video output thread. It manages
469 * console events. It returns a non null value on error.
470 *****************************************************************************/
471 int vout_Manage( vout_thread_t *p_vout )
476 /*****************************************************************************
477 * vout_Display: displays previously rendered output
478 *****************************************************************************
479 * This function send the currently rendered image to BeOS image, waits until
480 * it is displayed and switch the two rendering buffers, preparing next frame.
481 *****************************************************************************/
482 void vout_Display( vout_thread_t *p_vout )
484 VideoWindow * p_win = p_vout->p_sys->p_window;
486 p_win->i_buffer_index = p_vout->i_buffer_index;
487 p_vout->i_buffer_index = ++p_vout->i_buffer_index & 1;
488 p_win->fDirty = true;
491 /* following functions are local */
493 /*****************************************************************************
494 * BeosOpenDisplay: open and initialize BeOS device
495 *****************************************************************************
496 * XXX?? The framebuffer mode is only provided as a fast and efficient way to
497 * display video, providing the card is configured and the mode ok. It is
498 * not portable, and is not supposed to work with many cards. Use at your
500 *****************************************************************************/
502 static int BeosOpenDisplay( vout_thread_t *p_vout )
504 p_vout->p_sys->p_window =
505 new VideoWindow( BRect( 80, 50, 80+p_vout->i_width-1, 50+p_vout->i_height-1 ), NULL, p_vout );
506 if( p_vout->p_sys->p_window == 0 )
508 free( p_vout->p_sys );
509 intf_ErrMsg( "error: cannot allocate memory for VideoWindow" );
512 VideoWindow * p_win = p_vout->p_sys->p_window;
514 p_vout->i_screen_depth = p_win->i_screen_depth;
515 p_vout->i_bytes_per_pixel = p_win->i_bytes_per_pixel;
516 p_vout->i_bytes_per_line = p_vout->i_width*p_win->i_bytes_per_pixel;
518 switch( p_vout->i_screen_depth )
521 intf_ErrMsg( "vout error: 8 bit mode not fully supported" );
524 p_vout->i_red_mask = 0x7c00;
525 p_vout->i_green_mask = 0x03e0;
526 p_vout->i_blue_mask = 0x001f;
529 p_vout->i_red_mask = 0xf800;
530 p_vout->i_green_mask = 0x07e0;
531 p_vout->i_blue_mask = 0x001f;
536 p_vout->i_red_mask = 0xff0000;
537 p_vout->i_green_mask = 0x00ff00;
538 p_vout->i_blue_mask = 0x0000ff;
544 /*****************************************************************************
545 * BeosDisplay: close and reset BeOS device
546 *****************************************************************************
547 * Returns all resources allocated by BeosOpenDisplay and restore the original
548 * state of the device.
549 *****************************************************************************/
550 static void BeosCloseDisplay( vout_thread_t *p_vout )
552 /* Destroy the video window */
553 p_vout->p_sys->p_window->Lock();
554 p_vout->p_sys->p_window->Quit();