vout_beos.cpp 17 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 1.29 2001/09/12 01:30:07 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
39
40
41
/*****************************************************************************
 * Preamble
 *****************************************************************************/
#include "defs.h"

#include <errno.h>                                                 /* ENOMEM */
#include <stdlib.h>                                                /* free() */
#include <stdio.h>
#include <string.h>                                            /* strerror() */
#include <kernel/OS.h>
#include <View.h>
#include <Application.h>
Sam Hocevar's avatar
   
Sam Hocevar committed
42
43
44
#include <Window.h>
#include <Locker.h>
#include <Screen.h>
45
46
47
48
49
50
51
52
53
#include <malloc.h>
#include <string.h>

extern "C"
{
#include "config.h"
#include "common.h"
#include "threads.h"
#include "mtime.h"
Sam Hocevar's avatar
   
Sam Hocevar committed
54
#include "tests.h"
55
56
57
58

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

Sam Hocevar's avatar
   
Sam Hocevar committed
59
#include "interface.h"
Sam Hocevar's avatar
   
Sam Hocevar committed
60
#include "intf_msg.h"
61
62

#include "main.h"
Sam Hocevar's avatar
   
Sam Hocevar committed
63
64
65

#include "modules.h"
#include "modules_export.h"
66
67
}

Sam Hocevar's avatar
   
Sam Hocevar committed
68
69
#include "VideoWindow.h"
#include <Screen.h>
70
71
72
73
74
75
76

#define WIDTH 128
#define HEIGHT 64
#define BITS_PER_PLANE 16
#define BYTES_PER_PIXEL 2

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
77
 * vout_sys_t: BeOS video output method descriptor
78
79
 *****************************************************************************
 * This structure is part of the video output thread descriptor.
Sam Hocevar's avatar
   
Sam Hocevar committed
80
 * It describes the BeOS specific properties of an output thread.
81
82
83
84
85
 *****************************************************************************/
 
typedef struct vout_sys_s
{
    VideoWindow *         p_window;
Sam Hocevar's avatar
   
Sam Hocevar committed
86

Sam Hocevar's avatar
   
Sam Hocevar committed
87
    byte_t *              pp_buffer[2];
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
    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;
107
        if (window->LockWithTimeout(20000) == B_OK)
108
109
110
111
112
113
114
115
116
117
118
119
        {
            if (strcmp(window->Name(), name) == 0)
            {
                window->Unlock();
                break;
            }
            window->Unlock();
        }
    }
    return window; 
}

Sam Hocevar's avatar
   
Sam Hocevar committed
120
121
122
123
/*****************************************************************************
 * DrawingThread : thread that really does the drawing
 *****************************************************************************/

124
int32 Draw(void *data)
Sam Hocevar's avatar
   
Sam Hocevar committed
125
{
126
127
128
  VideoWindow *p_win;
  p_win = (VideoWindow*) data;
	  if (p_win->LockLooper())
Sam Hocevar's avatar
   
Sam Hocevar committed
129
      {
130
131
132
133
        p_win->view->DrawBitmap( p_win->bitmap[p_win->i_buffer_index],
                              p_win->bitmap[p_win->i_buffer_index]->Bounds(),
                              p_win->Bounds());  
        p_win->UnlockLooper();
134
      }
Sam Hocevar's avatar
   
Sam Hocevar committed
135
  return B_OK;
Sam Hocevar's avatar
   
Sam Hocevar committed
136
137
}

138
139
140
141
142
/*****************************************************************************
 * VideoWindow constructor and destructor
 *****************************************************************************/

VideoWindow::VideoWindow(BRect frame, const char *name, vout_thread_t *p_video_output )
143
        : BWindow(frame, name, B_TITLED_WINDOW, NULL)
144
145
{

146
	/* set the VideoWindow variables */
Sam Hocevar's avatar
   
Sam Hocevar committed
147
148
    teardownwindow = false;
    is_zoomed = false;
149
150
	fUsingOverlay = false;
	p_video_output->b_YCbr = false;
Richard Shepherd's avatar
Richard Shepherd committed
151
	
152
	/* create the view to do the display */
Sam Hocevar's avatar
   
Sam Hocevar committed
153
154
    view = new VLCView(Bounds());
    AddChild(view);
155
156
157
158
    
    /* Bitmap mode overlay not available */
	bitmap[0] = new BBitmap(Bounds(), B_RGB32);
	bitmap[1] = new BBitmap(Bounds(), B_RGB32);
159

160
161
	i_screen_depth = 32;
 	SetTitle(VOUT_TITLE " (BBitmap output)");
Richard Shepherd's avatar
Richard Shepherd committed
162

163
164
	memset(bitmap[0]->Bits(), 0, bitmap[0]->BitsLength());
 	memset(bitmap[1]->Bits(), 0, bitmap[1]->BitsLength());
165
166
167
168

	i_width = bitmap[0]->Bounds().IntegerWidth();
	i_height = bitmap[0]->Bounds().IntegerHeight();
	i_bytes_per_pixel = bitmap[0]->BytesPerRow()/i_width;
Richard Shepherd's avatar
Richard Shepherd committed
169
    fRowBytes = bitmap[0]->BytesPerRow();
170
171
	i_screen_depth = 8 * i_bytes_per_pixel;

Richard Shepherd's avatar
Richard Shepherd committed
172
    fDirty = false;
173
174
175
176
177
    Show();
}

VideoWindow::~VideoWindow()
{
Sam Hocevar's avatar
   
Sam Hocevar committed
178
179
180
181
    int32 result;

    Hide();
    Sync();
182
183
184
185
    teardownwindow = true;
    wait_for_thread(fDrawThreadID, &result);
   	delete bitmap[0];
   	delete bitmap[1];
Sam Hocevar's avatar
   
Sam Hocevar committed
186
187
 }

188

Sam Hocevar's avatar
   
Sam Hocevar committed
189
190
191
192
193
/*****************************************************************************
 * VideoWindow::FrameResized
 *****************************************************************************/
void VideoWindow::FrameResized( float width, float height )
{
Sam Hocevar's avatar
   
Sam Hocevar committed
194
195
196
197
198
199
200
201
}

/*****************************************************************************
 * VideoWindow::Zoom
 *****************************************************************************/

void VideoWindow::Zoom(BPoint origin, float width, float height )
{
202
	if(is_zoomed)
Sam Hocevar's avatar
   
Sam Hocevar committed
203
	{
204
205
206
		MoveTo(rect.left, rect.top);
		ResizeTo(rect.IntegerWidth(), rect.IntegerHeight());
		be_app->ShowCursor();
Sam Hocevar's avatar
   
Sam Hocevar committed
207
	}
208
	else
Sam Hocevar's avatar
   
Sam Hocevar committed
209
	{
210
211
212
213
214
215
216
217
		rect = Frame();
		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
218
	}
219
	is_zoomed = !is_zoomed;
Sam Hocevar's avatar
   
Sam Hocevar committed
220
221
}

222
223
224
225
226
227
228
229
230
231
232
/*****************************************************************************
 * VideoWindow::MessageReceived
 *****************************************************************************/

void VideoWindow::MessageReceived( BMessage * p_message )
{
    BWindow * p_win;
    
    switch( p_message->what )
    {
    case B_KEY_DOWN:
Sam Hocevar's avatar
   
Sam Hocevar committed
233
    case B_SIMPLE_DATA:
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
        // post the message to the interface window which will handle it
        p_win = beos_GetAppWindow( "interface" );
        if( p_win != NULL )
        {
            p_win->PostMessage( p_message );
        }
        break;
    
    default:
        BWindow::MessageReceived( p_message );
        break;
    }
}

/*****************************************************************************
 * VideoWindow::QuitRequested
 *****************************************************************************/

bool VideoWindow::QuitRequested()
{
Sam Hocevar's avatar
   
Sam Hocevar committed
254
255
    /* FIXME: send a message ! */
    p_main->p_intf->b_die = 1;
Sam Hocevar's avatar
   
Sam Hocevar committed
256
    teardownwindow = true;
Sam Hocevar's avatar
   
Sam Hocevar committed
257
    return( false );
258
259
}

Sam Hocevar's avatar
   
Sam Hocevar committed
260
261
262
263
264
/*****************************************************************************
 * VLCView::VLCView
 *****************************************************************************/
VLCView::VLCView(BRect bounds) : BView(bounds, "", B_FOLLOW_ALL, B_WILL_DRAW)
{
265
	SetViewColor(B_TRANSPARENT_32_BIT);
Sam Hocevar's avatar
   
Sam Hocevar committed
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
}

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

}

/*****************************************************************************
 * VLCVIew::~VLCView
 *****************************************************************************/
void VLCView::MouseDown(BPoint point)
{
281
282
	VideoWindow *w = (VideoWindow *) Window();
	if(w->is_zoomed)
Sam Hocevar's avatar
   
Sam Hocevar committed
283
	{
284
285
		BWindow *win = Window();
		win->Zoom();
Sam Hocevar's avatar
   
Sam Hocevar committed
286
287
288
	}
}

289
290
291
292
293
294
extern "C"
{

/*****************************************************************************
 * Local prototypes
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
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
310
void _M( vout_getfunctions )( function_list_t * p_function_list )
Sam Hocevar's avatar
   
Sam Hocevar committed
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
{
    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 );
}
336
337

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
338
 * vout_Create: allocates BeOS video thread output method
339
 *****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
340
 * This function allocates and initializes a BeOS vout method.
341
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
342
int vout_Create( vout_thread_t *p_vout )
343
344
345
346
347
{
    /* 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
348
        intf_ErrMsg( "error: %s", strerror(ENOMEM) );
349
350
351
352
        return( 1 );
    }
    
    /* Set video window's size */
Sam Hocevar's avatar
   
Sam Hocevar committed
353
354
355
356
    p_vout->i_width =  main_GetIntVariable( VOUT_WIDTH_VAR,
                                            VOUT_WIDTH_DEFAULT );
    p_vout->i_height = main_GetIntVariable( VOUT_HEIGHT_VAR,
                                            VOUT_HEIGHT_DEFAULT );
357
358
359
360
361
	p_vout->b_scale = true;
	                                            
    intf_Msg("Initial Width: %d Height: %d", 
    		p_vout->i_width,
    		p_vout->i_height);
362
363
364
365

    /* Open and initialize device */
    if( BeosOpenDisplay( p_vout ) )
    {
Sam Hocevar's avatar
   
Sam Hocevar committed
366
        intf_ErrMsg("vout error: can't open display");
367
368
369
370
371
372
373
374
        free( p_vout->p_sys );
        return( 1 );
    }

    return( 0 );
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
375
 * vout_Init: initialize BeOS video thread output method
376
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
377
int vout_Init( vout_thread_t *p_vout )
378
379
{
    VideoWindow * p_win = p_vout->p_sys->p_window;
Sam Hocevar's avatar
   
Sam Hocevar committed
380
381
    u32 i_page_size;
    i_page_size =   p_vout->i_width * p_vout->i_height * p_vout->i_bytes_per_pixel;
382
383
384
385
386
387
    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());
    }
388
389
390
391
    return( 0 );
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
392
 * vout_End: terminate BeOS video thread output method
393
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
394
void vout_End( vout_thread_t *p_vout )
395
396
397
398
{
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
399
 * vout_Destroy: destroy BeOS video thread output method
400
401
402
 *****************************************************************************
 * Terminate an output method created by DummyCreateOutputMethod
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
403
void vout_Destroy( vout_thread_t *p_vout )
404
405
406
407
408
409
{
    BeosCloseDisplay( p_vout );
    free( p_vout->p_sys );
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
410
 * vout_Manage: handle BeOS events
411
412
413
414
 *****************************************************************************
 * 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
415
int vout_Manage( vout_thread_t *p_vout )
416
{
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
    VideoWindow * p_win = p_vout->p_sys->p_window;
    
    if ((p_vout->p_buffer[p_vout->i_buffer_index].i_pic_width != p_win->i_width + 1) &&
        (p_vout->p_buffer[p_vout->i_buffer_index].i_pic_height != p_win->i_height + 1) &&
        (p_vout->p_buffer[p_vout->i_buffer_index].i_pic_width != 0 ))
    {
        if (p_win->Lock())
        {
            p_win->view->ClearViewBitmap();
            intf_Msg("Starting Change");
            intf_Msg("New width: %d Height: %d", 
                p_vout->p_buffer[p_vout->i_buffer_index ].i_pic_width,
                p_vout->p_buffer[p_vout->i_buffer_index ].i_pic_height);

            p_win->i_width = p_vout->p_buffer[p_vout->i_buffer_index].i_pic_width - 1;
            p_win->i_height = p_vout->p_buffer[p_vout->i_buffer_index].i_pic_height -1;
            p_win->ResizeTo((float) p_win->i_width, (float) p_win->i_height); 
            p_win->Unlock();
        }
    }
437
	return( 0 );
438
439
440
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
441
 * vout_Display: displays previously rendered output
442
 *****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
443
 * This function send the currently rendered image to BeOS image, waits until
444
445
 * it is displayed and switch the two rendering buffers, preparing next frame.
 *****************************************************************************/
Sam Hocevar's avatar
   
Sam Hocevar committed
446
void vout_Display( vout_thread_t *p_vout )
447
{
448
449
	status_t status;

450
    VideoWindow * p_win = p_vout->p_sys->p_window;
451
    
Sam Hocevar's avatar
   
Sam Hocevar committed
452
   	p_win->i_buffer_index = p_vout->i_buffer_index;
453
454
455
456
457
	p_vout->i_buffer_index = ++p_vout->i_buffer_index & 1;

   	p_win->fDrawThreadID = spawn_thread(Draw, "drawing_thread",
              B_DISPLAY_PRIORITY, (void*) p_win);
    wait_for_thread(p_win->fDrawThreadID, &status);
458

459
	
460
461
462
463
464
}

/* following functions are local */

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
465
 * BeosOpenDisplay: open and initialize BeOS device
Sam Hocevar's avatar
   
Sam Hocevar committed
466
467
468
469
470
 *****************************************************************************
 * XXX?? The framebuffer mode is only provided as a fast and efficient way to
 * display video, providing the card is configured and the mode ok. It is
 * not portable, and is not supposed to work with many cards. Use at your
 * own risk !
471
472
473
474
 *****************************************************************************/

static int BeosOpenDisplay( vout_thread_t *p_vout )
{ 
475
    
476
    p_vout->p_sys->p_window =
Richard Shepherd's avatar
Richard Shepherd committed
477
        new VideoWindow(  BRect( 80, 50, 80+p_vout->i_width-1, 50+p_vout->i_height-1 ), NULL, p_vout );
478
479
480
    if( p_vout->p_sys->p_window == 0 )
    {
        free( p_vout->p_sys );
Sam Hocevar's avatar
   
Sam Hocevar committed
481
        intf_ErrMsg( "error: cannot allocate memory for VideoWindow" );
482
483
        return( 1 );
    }   
Sam Hocevar's avatar
   
Sam Hocevar committed
484
    VideoWindow * p_win = p_vout->p_sys->p_window;
485
    
Sam Hocevar's avatar
   
Sam Hocevar committed
486
487
    p_vout->i_screen_depth =         p_win->i_screen_depth;
    p_vout->i_bytes_per_pixel =      p_win->i_bytes_per_pixel;
488
489
    p_vout->i_width =				 p_win->i_width + 1;
    p_vout->i_height = 				 p_win->i_height + 1;
Sam Hocevar's avatar
   
Sam Hocevar committed
490
    p_vout->i_bytes_per_line =       p_vout->i_width*p_win->i_bytes_per_pixel;
491

492
493
494
    p_vout->i_red_mask =        0xff0000;
    p_vout->i_green_mask =      0x00ff00;
    p_vout->i_blue_mask =       0x0000ff;
495
496
497
498
    return( 0 );
}

/*****************************************************************************
Sam Hocevar's avatar
   
Sam Hocevar committed
499
 * BeosDisplay: close and reset BeOS device
500
501
502
503
504
505
506
507
508
509
510
511
 *****************************************************************************
 * 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 */
    p_vout->p_sys->p_window->Lock();
    p_vout->p_sys->p_window->Quit();
}

} /* extern "C" */