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_TITLED_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 wait_for_thread(fDrawThreadID, &result);
234 /*****************************************************************************
235 * VideoWindow::FrameResized
236 *****************************************************************************/
237 void VideoWindow::FrameResized( float width, float height )
241 /*****************************************************************************
243 *****************************************************************************/
245 void VideoWindow::Zoom(BPoint origin, float width, float height )
249 MoveTo(rect.left, rect.top);
250 ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
251 be_app->ShowCursor();
257 screen = new BScreen(this);
258 BRect rect = screen->Frame();
261 ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
262 be_app->HideCursor();
264 is_zoomed = !is_zoomed;
267 /*****************************************************************************
268 * VideoWindow::MessageReceived
269 *****************************************************************************/
271 void VideoWindow::MessageReceived( BMessage * p_message )
275 switch( p_message->what )
279 // post the message to the interface window which will handle it
280 p_win = beos_GetAppWindow( "interface" );
283 p_win->PostMessage( p_message );
288 BWindow::MessageReceived( p_message );
293 /*****************************************************************************
294 * VideoWindow::QuitRequested
295 *****************************************************************************/
297 bool VideoWindow::QuitRequested()
299 /* FIXME: send a message ! */
300 p_main->p_intf->b_die = 1;
301 teardownwindow = true;
305 /*****************************************************************************
307 *****************************************************************************/
308 VLCView::VLCView(BRect bounds) : BView(bounds, "", B_FOLLOW_ALL, B_WILL_DRAW)
310 SetViewColor(B_TRANSPARENT_32_BIT);
313 /*****************************************************************************
315 *****************************************************************************/
321 /*****************************************************************************
323 *****************************************************************************/
324 void VLCView::MouseDown(BPoint point)
326 VideoWindow *w = (VideoWindow *) Window();
329 BWindow *win = Window();
337 /*****************************************************************************
339 *****************************************************************************/
340 static int vout_Probe ( probedata_t *p_data );
341 static int vout_Create ( struct vout_thread_s * );
342 static int vout_Init ( struct vout_thread_s * );
343 static void vout_End ( struct vout_thread_s * );
344 static void vout_Destroy ( struct vout_thread_s * );
345 static int vout_Manage ( struct vout_thread_s * );
346 static void vout_Display ( struct vout_thread_s * );
348 static int BeosOpenDisplay ( vout_thread_t *p_vout );
349 static void BeosCloseDisplay( vout_thread_t *p_vout );
351 /*****************************************************************************
352 * Functions exported as capabilities. They are declared as static so that
353 * we don't pollute the namespace too much.
354 *****************************************************************************/
355 void _M( vout_getfunctions )( function_list_t * p_function_list )
357 p_function_list->pf_probe = vout_Probe;
358 p_function_list->functions.vout.pf_create = vout_Create;
359 p_function_list->functions.vout.pf_init = vout_Init;
360 p_function_list->functions.vout.pf_end = vout_End;
361 p_function_list->functions.vout.pf_destroy = vout_Destroy;
362 p_function_list->functions.vout.pf_manage = vout_Manage;
363 p_function_list->functions.vout.pf_display = vout_Display;
364 p_function_list->functions.vout.pf_setpalette = NULL;
367 /*****************************************************************************
368 * vout_Probe: probe the video driver and return a score
369 *****************************************************************************
370 * This function tries to initialize SDL and returns a score to the
371 * plugin manager so that it can select the best plugin.
372 *****************************************************************************/
373 static int vout_Probe( probedata_t *p_data )
375 if( TestMethod( VOUT_METHOD_VAR, "beos" ) )
383 /*****************************************************************************
384 * vout_Create: allocates BeOS video thread output method
385 *****************************************************************************
386 * This function allocates and initializes a BeOS vout method.
387 *****************************************************************************/
388 int vout_Create( vout_thread_t *p_vout )
390 /* Allocate structure */
391 p_vout->p_sys = (vout_sys_t*) malloc( sizeof( vout_sys_t ) );
392 if( p_vout->p_sys == NULL )
394 intf_ErrMsg( "error: %s", strerror(ENOMEM) );
398 /* Set video window's size */
399 p_vout->i_width = main_GetIntVariable( VOUT_WIDTH_VAR,
400 VOUT_WIDTH_DEFAULT );
401 p_vout->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
402 VOUT_HEIGHT_DEFAULT );
404 /* Open and initialize device */
405 if( BeosOpenDisplay( p_vout ) )
407 intf_ErrMsg("vout error: can't open display");
408 free( p_vout->p_sys );
415 /*****************************************************************************
416 * vout_Init: initialize BeOS video thread output method
417 *****************************************************************************/
418 int vout_Init( vout_thread_t *p_vout )
420 VideoWindow * p_win = p_vout->p_sys->p_window;
424 i_page_size = p_vout->i_width * p_vout->i_height * p_vout->i_bytes_per_pixel;
426 p_vout->p_sys->i_width = p_vout->i_width;
427 p_vout->p_sys->i_height = p_vout->i_height;
429 if(p_win->fUsingOverlay)
431 vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
432 (byte_t *)p_win->bitmap[0]->Bits());
433 delete p_win->bitmap[0];
437 vout_SetBuffers( p_vout, (byte_t *)p_win->bitmap[0]->Bits(),
438 (byte_t *)p_win->bitmap[1]->Bits());
443 /*****************************************************************************
444 * vout_End: terminate BeOS video thread output method
445 *****************************************************************************/
446 void vout_End( vout_thread_t *p_vout )
450 /*****************************************************************************
451 * vout_Destroy: destroy BeOS video thread output method
452 *****************************************************************************
453 * Terminate an output method created by DummyCreateOutputMethod
454 *****************************************************************************/
455 void vout_Destroy( vout_thread_t *p_vout )
457 BeosCloseDisplay( p_vout );
459 free( p_vout->p_sys );
462 /*****************************************************************************
463 * vout_Manage: handle BeOS events
464 *****************************************************************************
465 * This function should be called regularly by video output thread. It manages
466 * console events. It returns a non null value on error.
467 *****************************************************************************/
468 int vout_Manage( vout_thread_t *p_vout )
473 /*****************************************************************************
474 * vout_Display: displays previously rendered output
475 *****************************************************************************
476 * This function send the currently rendered image to BeOS image, waits until
477 * it is displayed and switch the two rendering buffers, preparing next frame.
478 *****************************************************************************/
479 void vout_Display( vout_thread_t *p_vout )
481 VideoWindow * p_win = p_vout->p_sys->p_window;
483 p_win->i_buffer_index = p_vout->i_buffer_index;
484 p_vout->i_buffer_index = ++p_vout->i_buffer_index & 1;
485 p_win->fDirty = true;
488 /* following functions are local */
490 /*****************************************************************************
491 * BeosOpenDisplay: open and initialize BeOS device
492 *****************************************************************************
493 * XXX?? The framebuffer mode is only provided as a fast and efficient way to
494 * display video, providing the card is configured and the mode ok. It is
495 * not portable, and is not supposed to work with many cards. Use at your
497 *****************************************************************************/
499 static int BeosOpenDisplay( vout_thread_t *p_vout )
501 p_vout->p_sys->p_window =
502 new VideoWindow( BRect( 50, 150, 50+p_vout->i_width-1, 150+p_vout->i_height-1 ), NULL, p_vout );
503 if( p_vout->p_sys->p_window == 0 )
505 free( p_vout->p_sys );
506 intf_ErrMsg( "error: cannot allocate memory for VideoWindow" );
509 VideoWindow * p_win = p_vout->p_sys->p_window;
511 p_vout->i_screen_depth = p_win->i_screen_depth;
512 p_vout->i_bytes_per_pixel = p_win->i_bytes_per_pixel;
513 p_vout->i_bytes_per_line = p_vout->i_width*p_win->i_bytes_per_pixel;
515 switch( p_vout->i_screen_depth )
518 intf_ErrMsg( "vout error: 8 bit mode not fully supported" );
521 p_vout->i_red_mask = 0x7c00;
522 p_vout->i_green_mask = 0x03e0;
523 p_vout->i_blue_mask = 0x001f;
526 p_vout->i_red_mask = 0xf800;
527 p_vout->i_green_mask = 0x07e0;
528 p_vout->i_blue_mask = 0x001f;
533 p_vout->i_red_mask = 0xff0000;
534 p_vout->i_green_mask = 0x00ff00;
535 p_vout->i_blue_mask = 0x0000ff;
541 /*****************************************************************************
542 * BeosDisplay: close and reset BeOS device
543 *****************************************************************************
544 * Returns all resources allocated by BeosOpenDisplay and restore the original
545 * state of the device.
546 *****************************************************************************/
547 static void BeosCloseDisplay( vout_thread_t *p_vout )
549 /* Destroy the video window */
550 p_vout->p_sys->p_window->Lock();
551 p_vout->p_sys->p_window->Quit();