vout_beos.cpp 17.5 KB
Newer Older
1
2
3
/*****************************************************************************
 * vout_beos.cpp: beos video output display method
 *****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
4
 * Copyright (C) 2000, 2001 VideoLAN
5
 * $Id: vout_beos.cpp,v 1.33 2001/12/01 06:38:53 tcastley Exp $
6
 *
Sam Hocevar's avatar
   
Sam Hocevar committed
7
8
 * Authors: Jean-Marc Dressler <polux@via.ecp.fr>
 *          Samuel Hocevar <sam@zoy.org>
Richard Shepherd's avatar
Richard Shepherd committed
9
 *          Tony Castley <tcastley@mail.powerup.com.au>
Sam Hocevar's avatar
   
Sam Hocevar committed
10
 *          Richard Shepherd <richard@rshepherd.demon.co.uk>
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA.
 *****************************************************************************/

Sam Hocevar's avatar
   
Sam Hocevar committed
27
28
29
#define MODULE_NAME beos
#include "modules_inner.h"

30
31
32
33
34
35
36
37
38
/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include "defs.h"

#include <errno.h>                                                 /* ENOMEM */
#include <stdlib.h>                                                /* free() */
#include <stdio.h>
#include <string.h>                                            /* strerror() */
39
40
#include <InterfaceKit.h>
#include <DirectWindow.h>
41
#include <Application.h>
42
#include <Bitmap.h>
43
44
45
46
47

extern "C"
{
#include "config.h"
#include "common.h"
48
#include "intf_msg.h"
49
50
#include "threads.h"
#include "mtime.h"
Sam Hocevar's avatar
   
Sam Hocevar committed
51
#include "tests.h"
52
53
54
55

#include "video.h"
#include "video_output.h"

Sam Hocevar's avatar
   
Sam Hocevar committed
56
#include "interface.h"
57
58

#include "main.h"
Sam Hocevar's avatar
   
Sam Hocevar committed
59
60
61

#include "modules.h"
#include "modules_export.h"
62
63
}

Sam Hocevar's avatar
   
Sam Hocevar committed
64
#include "VideoWindow.h"
65

66
67
#define BITS_PER_PLANE  32
#define BYTES_PER_PIXEL 4
68
69

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
70
 * vout_sys_t: BeOS video output method descriptor
71
72
 *****************************************************************************
 * This structure is part of the video output thread descriptor.
Sam Hocevar's avatar
   
Sam Hocevar committed
73
 * It describes the BeOS specific properties of an output thread.
74
75
76
 *****************************************************************************/
typedef struct vout_sys_s
{
77
    VideoWindow *      p_window;
Sam Hocevar's avatar
   
Sam Hocevar committed
78

Sam Hocevar's avatar
   
Sam Hocevar committed
79
    byte_t *              pp_buffer[2];
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
    s32                   i_width;
    s32                   i_height;
} vout_sys_t;


/*****************************************************************************
 * beos_GetAppWindow : retrieve a BWindow pointer from the window name
 *****************************************************************************/
BWindow *beos_GetAppWindow(char *name)
{
    int32       index;
    BWindow     *window;
    
    for (index = 0 ; ; index++)
    {
        window = be_app->WindowAt(index);
        if (window == NULL)
            break;
98
        if (window->LockWithTimeout(20000) == B_OK)
99
100
101
102
103
104
105
106
107
108
109
110
        {
            if (strcmp(window->Name(), name) == 0)
            {
                window->Unlock();
                break;
            }
            window->Unlock();
        }
    }
    return window; 
}

Sam Hocevar's avatar
   
Sam Hocevar committed
111
112
113
/*****************************************************************************
 * DrawingThread : thread that really does the drawing
 *****************************************************************************/
114
int32 Draw(void *data)
Sam Hocevar's avatar
   
Sam Hocevar committed
115
{
116
117
118
119
120
121
122
123
124
125
    VideoWindow* p_win;
    p_win = (VideoWindow *) data;
    if ( p_win->voutWindow->LockLooper() )
    {
        p_win->view->DrawBitmap( p_win->bitmap[p_win->i_buffer],
                                 p_win->bitmap[p_win->i_buffer]->Bounds(),
                                 p_win->voutWindow->Bounds() );  
        p_win->voutWindow->UnlockLooper();
    }
    return B_OK;
Sam Hocevar's avatar
   
Sam Hocevar committed
126
127
}

128
/*****************************************************************************
129
 * bitmapWindow : This is the bitmap window output
130
 *****************************************************************************/
131
132
133
bitmapWindow::bitmapWindow(BRect frame, VideoWindow *theOwner)
        : BWindow( frame, NULL, B_TITLED_WINDOW, 
                   B_OUTLINE_RESIZE | B_NOT_CLOSABLE | B_NOT_MINIMIZABLE )
134
{
Sam Hocevar's avatar
   
Sam Hocevar committed
135
    is_zoomed = false;
136
137
138
139
    origRect = frame;
    owner = theOwner;
    SetTitle(VOUT_TITLE " (BBitmap output)");
}
140

141
142
143
bitmapWindow::~bitmapWindow()
{
}
Richard Shepherd's avatar
Richard Shepherd committed
144

145
146
147
148
149
150
151
152
void bitmapWindow::FrameResized( float width, float height )
{
	if (is_zoomed)
	{
	    return;
	}
	float width_scale;
	float height_scale;
153

154
155
156
157
158
159
160
161
162
163
164
165
166
	width_scale = width / origRect.Width();
	height_scale = height / origRect.Height();
	
    /* if the width is proportionally smaller */
    if (width_scale <= height_scale)
    {
        ResizeTo(width, origRect.Height() * width_scale);
    }
    else /* if the height is proportionally smaller */
    {
        ResizeTo(origRect.Width() * height_scale, height);
    }
}
167

168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
void bitmapWindow::Zoom(BPoint origin, float width, float height )
{
	if(is_zoomed)
	{
		MoveTo(origRect.left, origRect.top);
		ResizeTo(origRect.IntegerWidth(), origRect.IntegerHeight());
		be_app->ShowCursor();
	}
	else
	{
		BScreen *screen;
		screen = new BScreen(this);
		BRect rect = screen->Frame();
		delete screen;
		MoveTo(0,0);
		ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
		be_app->HideCursor();
	}
	is_zoomed = !is_zoomed;
187
188
}

189
190
191
192
193
194
/*****************************************************************************
 * directWindow : This is the bitmap window output
 *****************************************************************************/
directWindow::directWindow(BRect frame, VideoWindow *theOwner)
        : BDirectWindow( frame, NULL, B_TITLED_WINDOW, 
                   B_OUTLINE_RESIZE | B_NOT_CLOSABLE | B_NOT_MINIMIZABLE )
195
{
196
197
198
199
200
    is_zoomed = false;
    origRect = frame;
    owner = theOwner;
    SetTitle(VOUT_TITLE " (DirectWindow output)");
}
Sam Hocevar's avatar
   
Sam Hocevar committed
201

202
203
204
directWindow::~directWindow()
{
}
Sam Hocevar's avatar
   
Sam Hocevar committed
205

206
207
208
void directWindow::DirectConnected(direct_buffer_info *info)
{
}
209

210
void directWindow::FrameResized( float width, float height )
Sam Hocevar's avatar
   
Sam Hocevar committed
211
{
212
213
214
215
216
217
218
	if (is_zoomed)
	{
	    return;
	}
	float width_scale;
	float height_scale;

219
220
	width_scale = width / origRect.Width();
	height_scale = height / origRect.Height();
221
222
223
224
	
    /* if the width is proportionally smaller */
    if (width_scale <= height_scale)
    {
225
        ResizeTo(width, origRect.Height() * width_scale);
226
227
228
    }
    else /* if the height is proportionally smaller */
    {
229
        ResizeTo(origRect.Width() * height_scale, height);
230
    }
Sam Hocevar's avatar
   
Sam Hocevar committed
231
232
}

233
void directWindow::Zoom(BPoint origin, float width, float height )
Sam Hocevar's avatar
   
Sam Hocevar committed
234
{
235
	if(is_zoomed)
Sam Hocevar's avatar
   
Sam Hocevar committed
236
	{
237
238
239
	    SetFullScreen(false);
		MoveTo(origRect.left, origRect.top);
		ResizeTo(origRect.IntegerWidth(), origRect.IntegerHeight());
240
		be_app->ShowCursor();
Sam Hocevar's avatar
   
Sam Hocevar committed
241
	}
242
	else
Sam Hocevar's avatar
   
Sam Hocevar committed
243
	{
244
		SetFullScreen(true);
245
246
247
248
249
250
251
		BScreen *screen;
		screen = new BScreen(this);
		BRect rect = screen->Frame();
		delete screen;
		MoveTo(0,0);
		ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
		be_app->HideCursor();
Sam Hocevar's avatar
   
Sam Hocevar committed
252
	}
253
	is_zoomed = !is_zoomed;
Sam Hocevar's avatar
   
Sam Hocevar committed
254
255
}

256
/*****************************************************************************
257
 * VideoWindow constructor and destructor
258
 *****************************************************************************/
259
260
VideoWindow::VideoWindow( int width, int height, 
                          vout_thread_t *p_video_output )
261
{
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
    if ( BDirectWindow::SupportsWindowMode() )
    { 
        voutWindow = new directWindow( BRect( 80, 50, 
	                                      80 + width, 50 + height ), this );
    }
    else
    {
	    voutWindow = new bitmapWindow( BRect( 80, 50, 
	                                      80 + width, 50 + height ), this );
	}

	/* set the VideoWindow variables */
    teardownwindow = false;
	
	/* create the view to do the display */
    view = new VLCView( voutWindow->Bounds() );
    voutWindow->AddChild(view);
279
    
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
    /* Bitmap mode overlay not available */
	bitmap[0] = new BBitmap( voutWindow->Bounds(), B_RGB32);
	bitmap[1] = new BBitmap( voutWindow->Bounds(), B_RGB32);
	memset(bitmap[0]->Bits(), 0, bitmap[0]->BitsLength());
 	memset(bitmap[1]->Bits(), 0, bitmap[1]->BitsLength());

	i_width = bitmap[0]->Bounds().IntegerWidth();
	i_height = bitmap[0]->Bounds().IntegerHeight();

    voutWindow->Show();
}

VideoWindow::~VideoWindow()
{
    int32 result;

    voutWindow->Hide();
    voutWindow->Sync();
    voutWindow->Lock();
    voutWindow->Quit();
    teardownwindow = true;
    wait_for_thread(fDrawThreadID, &result);
   	delete bitmap[0];
   	delete bitmap[1];
}

void VideoWindow::resizeIfRequired( int newWidth, int newHeight )
{
    if (( newWidth != i_width + 1) &&
        ( newHeight != i_height + 1) &&
        ( newWidth != 0 ))
311
    {
312
        if ( voutWindow->Lock() )
313
        {
314
315
316
317
318
            view->ClearViewBitmap();
            i_width = newWidth - 1;
            i_height = newHeight -1;
            voutWindow->ResizeTo((float) i_width, (float) i_height); 
            voutWindow->Unlock();
319
320
321
322
        }
    }
}

323
void VideoWindow::drawBuffer(int bufferIndex)
324
{
325
326
327
328
329
330
331
	status_t status;
	
	i_buffer = bufferIndex; 
	
    fDrawThreadID = spawn_thread(Draw, "drawing_thread",
                    B_DISPLAY_PRIORITY, (void*) this);
    wait_for_thread(fDrawThreadID, &status);
332
333
}

Sam Hocevar's avatar
   
Sam Hocevar committed
334
335
336
337
338
/*****************************************************************************
 * VLCView::VLCView
 *****************************************************************************/
VLCView::VLCView(BRect bounds) : BView(bounds, "", B_FOLLOW_ALL, B_WILL_DRAW)
{
339
	SetViewColor(B_TRANSPARENT_32_BIT);
Sam Hocevar's avatar
   
Sam Hocevar committed
340
341
342
343
344
345
346
347
348
349
350
351
352
353
}

/*****************************************************************************
 * VLCView::~VLCView
 *****************************************************************************/
VLCView::~VLCView()
{
}

/*****************************************************************************
 * VLCVIew::~VLCView
 *****************************************************************************/
void VLCView::MouseDown(BPoint point)
{
354
355
	BWindow *win = Window();
	win->Zoom();
Sam Hocevar's avatar
   
Sam Hocevar committed
356
357
}

358
359
360
361
362
363
extern "C"
{

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
static int  vout_Probe      ( probedata_t *p_data );
static int  vout_Create     ( struct vout_thread_s * );
static int  vout_Init       ( struct vout_thread_s * );
static void vout_End        ( struct vout_thread_s * );
static void vout_Destroy    ( struct vout_thread_s * );
static int  vout_Manage     ( struct vout_thread_s * );
static void vout_Display    ( struct vout_thread_s * );

static int  BeosOpenDisplay ( vout_thread_t *p_vout );
static void BeosCloseDisplay( vout_thread_t *p_vout );

/*****************************************************************************
 * Functions exported as capabilities. They are declared as static so that
 * we don't pollute the namespace too much.
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
379
void _M( vout_getfunctions )( function_list_t * p_function_list )
Sam Hocevar's avatar
   
Sam Hocevar committed
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
{
    p_function_list->pf_probe = vout_Probe;
    p_function_list->functions.vout.pf_create     = vout_Create;
    p_function_list->functions.vout.pf_init       = vout_Init;
    p_function_list->functions.vout.pf_end        = vout_End;
    p_function_list->functions.vout.pf_destroy    = vout_Destroy;
    p_function_list->functions.vout.pf_manage     = vout_Manage;
    p_function_list->functions.vout.pf_display    = vout_Display;
    p_function_list->functions.vout.pf_setpalette = NULL;
}

/*****************************************************************************
 * vout_Probe: probe the video driver and return a score
 *****************************************************************************
 * This function tries to initialize SDL and returns a score to the
 * plugin manager so that it can select the best plugin.
 *****************************************************************************/
static int vout_Probe( probedata_t *p_data )
{
    if( TestMethod( VOUT_METHOD_VAR, "beos" ) )
    {
        return( 999 );
    }
    return( 100 );
}
405
406

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
407
 * vout_Create: allocates BeOS video thread output method
408
 *****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
409
 * This function allocates and initializes a BeOS vout method.
410
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
411
int vout_Create( vout_thread_t *p_vout )
412
413
414
415
416
{
    /* Allocate structure */
    p_vout->p_sys = (vout_sys_t*) malloc( sizeof( vout_sys_t ) );
    if( p_vout->p_sys == NULL )
    {
Sam Hocevar's avatar
   
Sam Hocevar committed
417
        intf_ErrMsg( "error: %s", strerror(ENOMEM) );
418
419
420
        return( 1 );
    }
    
421
    /* force scaling off */
422
	p_vout->b_scale = false;
423
424
425
426

    /* Open and initialize device */
    if( BeosOpenDisplay( p_vout ) )
    {
Sam Hocevar's avatar
   
Sam Hocevar committed
427
        intf_ErrMsg("vout error: can't open display");
428
429
430
431
432
433
434
435
        free( p_vout->p_sys );
        return( 1 );
    }

    return( 0 );
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
436
 * vout_Init: initialize BeOS video thread output method
437
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
438
int vout_Init( vout_thread_t *p_vout )
439
440
{
    VideoWindow * p_win = p_vout->p_sys->p_window;
441

442
443
444
445
446
447
    if((p_win->bitmap[0] != NULL) && (p_win->bitmap[1] != NULL))
   	{
    	p_vout->pf_setbuffers( p_vout,
               (byte_t *)p_win->bitmap[0]->Bits(),
               (byte_t *)p_win->bitmap[1]->Bits());
    }
448
449
450
451
    return( 0 );
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
452
 * vout_End: terminate BeOS video thread output method
453
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
454
void vout_End( vout_thread_t *p_vout )
455
{
456
	/* place code here to end the video */
457
458
459
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
460
 * vout_Destroy: destroy BeOS video thread output method
461
462
463
 *****************************************************************************
 * Terminate an output method created by DummyCreateOutputMethod
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
464
void vout_Destroy( vout_thread_t *p_vout )
465
466
467
468
469
470
{
    BeosCloseDisplay( p_vout );
    free( p_vout->p_sys );
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
471
 * vout_Manage: handle BeOS events
472
473
474
475
 *****************************************************************************
 * This function should be called regularly by video output thread. It manages
 * console events. It returns a non null value on error.
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
476
int vout_Manage( vout_thread_t *p_vout )
477
{
478
479
    VideoWindow * p_win = p_vout->p_sys->p_window;
    
480
481
482
    p_win->resizeIfRequired(p_vout->p_buffer[p_vout->i_buffer_index].i_pic_width,
                            p_vout->p_buffer[p_vout->i_buffer_index].i_pic_height);
                            
483
	return( 0 );
484
485
486
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
487
 * vout_Display: displays previously rendered output
488
 *****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
489
 * This function send the currently rendered image to BeOS image, waits until
490
491
 * it is displayed and switch the two rendering buffers, preparing next frame.
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
492
void vout_Display( vout_thread_t *p_vout )
493
{
494

495
    VideoWindow * p_win = p_vout->p_sys->p_window;
496
    /* draw buffer if required */    
497
498
	if (!p_win->teardownwindow)
	{
499
       p_win->drawBuffer(p_vout->i_buffer_index);
500
    }
501
502
    /* change buffer */
	p_vout->i_buffer_index = ++p_vout->i_buffer_index & 1;
503
504
505
506
507
}

/* following functions are local */

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
508
 * BeosOpenDisplay: open and initialize BeOS device
509
510
511
 *****************************************************************************/
static int BeosOpenDisplay( vout_thread_t *p_vout )
{ 
512
    
513
514
515
516
517
    VideoWindow * p_win = new VideoWindow( p_vout->i_width - 1, 
                                           p_vout->i_height - 1, 
                                           p_vout );

    if( p_win == 0 )
518
519
    {
        free( p_vout->p_sys );
Sam Hocevar's avatar
   
Sam Hocevar committed
520
        intf_ErrMsg( "error: cannot allocate memory for VideoWindow" );
521
522
523
        return( 1 );
    }   
    
524
525
526
527
528
529
530
531
532
    p_vout->p_sys->p_window = p_win;
    /* set the system to 32bits always
       let BeOS do all the work */
	p_vout->b_YCbr            = false;
    p_vout->i_screen_depth    = BITS_PER_PLANE;
    p_vout->i_bytes_per_pixel = BYTES_PER_PIXEL;
    p_vout->i_width           = p_win->i_width + 1;
    p_vout->i_height          = p_win->i_height + 1;
    p_vout->i_bytes_per_line  = p_vout->i_width * BYTES_PER_PIXEL;
533

534
535
536
    p_vout->i_red_mask =        0xff0000;
    p_vout->i_green_mask =      0x00ff00;
    p_vout->i_blue_mask =       0x0000ff;
537

538
539
540
541
    return( 0 );
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
542
 * BeosDisplay: close and reset BeOS device
543
544
545
546
547
548
549
 *****************************************************************************
 * Returns all resources allocated by BeosOpenDisplay and restore the original
 * state of the device.
 *****************************************************************************/
static void BeosCloseDisplay( vout_thread_t *p_vout )
{    
    /* Destroy the video window */
550
    delete p_vout->p_sys->p_window;
551
552
553
}

} /* extern "C" */