Fix plugin strings translation
[vlc.git] / modules / video_output / directfb.c
1 /*****************************************************************************
2  * directfb.c: DirectFB video output display method
3  *****************************************************************************
4  * Copyright (C) 2005 the VideoLAN team
5  *
6  * Authors: Iuri Diniz <iuri@digizap.com.br>
7  *
8  * This code is based in sdl.c and fb.c, thanks for VideoLAN team.
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
23  *****************************************************************************/
24
25 /*****************************************************************************
26  * Preamble
27  *****************************************************************************/
28 #include <errno.h>                                                 /* ENOMEM */
29
30 #ifdef HAVE_CONFIG_H
31 # include "config.h"
32 #endif
33
34 #include <vlc_common.h>
35 #include <vlc_plugin.h>
36 #include <vlc_vout.h>
37 #include <directfb.h>
38
39 /*****************************************************************************
40  * Local prototypes
41  *****************************************************************************/
42 static int  Create    ( vlc_object_t * );
43 static void Destroy   ( vlc_object_t * );
44
45 static int  Init      ( vout_thread_t * );
46 static void End       ( vout_thread_t * );
47 static int  Manage    ( vout_thread_t * );
48 static void Display   ( vout_thread_t *, picture_t * );
49
50 static int  OpenDisplay    ( vout_thread_t * );
51 static void CloseDisplay   ( vout_thread_t * );
52
53 struct vout_sys_t
54 {
55     IDirectFB *p_directfb;
56     IDirectFBSurface *p_primary;
57     DFBSurfacePixelFormat p_pixel_format;
58
59     int i_width;
60     int i_height;
61
62     uint8_t* p_pixels;
63 };
64
65 /*****************************************************************************
66  * Module descriptor
67  *****************************************************************************/
68 vlc_module_begin ()
69     set_shortname( "DirectFB" )
70     set_category( CAT_VIDEO )
71     set_subcategory( SUBCAT_VIDEO_VOUT )
72     set_description( N_("DirectFB video output http://www.directfb.org/") )
73     set_capability( "video output", 60 )
74     add_shortcut( "directfb" )
75     set_callbacks( Create, Destroy )
76 vlc_module_end ()
77
78
79 static int Create( vlc_object_t *p_this )
80 {
81     vout_thread_t *p_vout = (vout_thread_t *)p_this;
82     vout_sys_t *p_sys = NULL;
83     p_vout->pf_init = Init;
84     p_vout->pf_end = End;
85     p_vout->pf_manage = Manage;
86     p_vout->pf_render = NULL;
87     p_vout->pf_display = Display;
88
89     /* Allocate structure */
90     p_vout->p_sys = p_sys = malloc( sizeof( vout_sys_t ) );
91     if( !p_sys )
92         return VLC_ENOMEM;
93
94     p_sys->p_directfb = NULL;
95     p_sys->p_primary = NULL;
96     p_sys->p_pixels = NULL;
97     p_sys->i_width = 0;
98     p_sys->i_height = 0;
99
100     /* Init DirectFB */
101     if( DirectFBInit(NULL,NULL) != DFB_OK )
102     {
103         msg_Err(p_vout, "Cannot init DirectFB");
104         return VLC_EGENERIC;
105     }
106
107     if( OpenDisplay( p_vout ) )
108     {
109         msg_Err(p_vout, "Cannot create primary surface");
110         free( p_sys );
111         return VLC_EGENERIC;
112     }
113     return VLC_SUCCESS;
114 }
115
116
117 static int Init( vout_thread_t *p_vout )
118 {
119     vout_sys_t *p_sys = p_vout->p_sys;
120     IDirectFBSurface *p_primary = (IDirectFBSurface *) p_vout->p_sys->p_primary;
121     uint8_t* p_pixels = NULL;
122     picture_t *p_pic = NULL;
123     int i_rlength, i_glength, i_blength;
124     int i_roffset, i_goffset, i_boffset;
125     int i_line_pitch;
126     int i_size;
127     int i_index;
128
129     I_OUTPUTPICTURES = 0;
130
131     switch( p_sys->p_pixel_format )
132     {
133         case DSPF_RGB332:
134             /* 8 bit RGB (1 byte, red 3@5, green 3@2, blue 2@0) */
135             /* i_pixel_pitch = 1; */
136             i_rlength = 3;
137             i_roffset = 5;
138             i_glength = 3;
139             i_goffset = 2;
140             i_blength = 2;
141             i_boffset = 0;
142             p_vout->output.i_chroma = VLC_FOURCC('R','G','B','2');
143             break;
144
145         case DSPF_RGB16:
146             /* 16 bit RGB (2 byte, red 5@11, green 6@5, blue 5@0) */
147             /* i_pixel_pitch = 2; */
148             i_rlength = 5;
149             i_roffset = 11;
150             i_glength = 6;
151             i_goffset = 5;
152             i_blength = 5;
153             i_boffset = 0;
154             p_vout->output.i_chroma = VLC_FOURCC('R','V','1','6');
155             break;
156
157         case DSPF_RGB24:
158             /* 24 bit RGB (3 byte, red 8@16, green 8@8, blue 8@0) */
159             /* i_pixel_pitch = 3; */
160             i_rlength = 8;
161             i_roffset = 16;
162             i_glength = 8;
163             i_goffset = 8;
164             i_blength = 8;
165             i_boffset = 0;
166             p_vout->output.i_chroma = VLC_FOURCC('R','V','2','4');
167             break;
168
169         case DSPF_RGB32:
170             /* 24 bit RGB (4 byte, nothing@24, red 8@16, green 8@8, blue 8@0) */
171             /* i_pixel_pitch = 4; */
172             i_rlength = 8;
173             i_roffset = 16;
174             i_glength = 8;
175             i_goffset = 8;
176             i_blength = 8;
177             i_boffset = 0;
178             p_vout->output.i_chroma = VLC_FOURCC('R','V','3','2');
179             break;
180
181         default:
182             msg_Err( p_vout, "unknown screen depth %i",
183                      p_sys->p_pixel_format );
184             return VLC_EGENERIC;
185     }
186     /* Set the RGB masks */
187     p_vout->output.i_rmask = ( (1 << i_rlength) - 1 ) << i_roffset;
188     p_vout->output.i_gmask = ( (1 << i_glength) - 1 ) << i_goffset;
189     p_vout->output.i_bmask = ( (1 << i_blength) - 1 ) << i_boffset;
190
191     /* Width and height */
192     p_vout->output.i_width  = p_sys->i_width;
193     p_vout->output.i_height = p_sys->i_height;
194
195     /* The aspect */
196     p_vout->output.i_aspect = (p_sys->i_width * VOUT_ASPECT_FACTOR) /
197                                p_sys->i_height;
198
199     /* Try to initialize 1 buffer */
200     /* Find an empty picture slot */
201     for( i_index = 0 ; i_index < VOUT_MAX_PICTURES ; i_index++ )
202     {
203         if( p_vout->p_picture[ i_index ].i_status == FREE_PICTURE )
204         {
205             p_pic = p_vout->p_picture + i_index;
206             break;
207         }
208     }
209
210     /* Allocate the picture */
211     if( !p_pic )
212         return VLC_EGENERIC;
213
214     /* get the pixels */
215     if( p_primary->Lock( p_primary, DSLF_READ, (void **) &p_pixels,
216                          &i_line_pitch) != DFB_OK )
217         return VLC_EGENERIC;
218
219     /* allocate p_pixels */
220     i_size = i_line_pitch * p_sys->i_height;
221     p_sys->p_pixels = malloc( i_size );
222     if( p_sys->p_pixels == NULL )
223     {
224         p_primary->Unlock(p_primary);
225         return VLC_ENOMEM;
226     }
227
228     /* copy pixels */
229     memcpy( p_sys->p_pixels,  p_pixels, i_size );
230     if( p_primary->Unlock(p_primary) != DFB_OK )
231     {
232         return VLC_EGENERIC;
233     }
234
235     p_pic->p->p_pixels = p_sys->p_pixels;
236     p_pic->p->i_pixel_pitch = i_line_pitch / p_sys->i_width;
237     p_pic->p->i_lines = p_sys->i_height;
238     p_pic->p->i_visible_lines = p_sys->i_height;
239     p_pic->p->i_pitch = i_line_pitch;
240     p_pic->p->i_visible_pitch = i_line_pitch;
241     p_pic->i_planes = 1;
242     p_pic->i_status = DESTROYED_PICTURE;
243     p_pic->i_type   = DIRECT_PICTURE;
244
245     PP_OUTPUTPICTURE[ I_OUTPUTPICTURES ] = p_pic;
246
247     I_OUTPUTPICTURES++;
248
249     return VLC_SUCCESS;
250 }
251
252 static void End( vout_thread_t *p_vout )
253 {
254     vout_sys_t *p_sys = p_vout->p_sys;
255
256     free( p_sys->p_pixels );
257 }
258
259 static void Destroy( vlc_object_t *p_this )
260 {
261     vout_thread_t *p_vout = (vout_thread_t *)p_this;
262     vout_sys_t *p_sys = p_vout->p_sys;
263
264     CloseDisplay( p_vout );
265     free( p_sys );
266     p_sys = NULL;
267 }
268
269 static int Manage( vout_thread_t *p_vout )
270 {
271     return VLC_SUCCESS;
272 }
273
274 static void Display( vout_thread_t *p_vout, picture_t *p_pic )
275 {
276     vout_sys_t *p_sys = p_vout->p_sys;
277     IDirectFBSurface *p_primary = (IDirectFBSurface *) p_sys->p_primary;
278     uint8_t* p_pixels = NULL;
279     int i_size;
280     int i_line_pitch;
281
282     /* get the pixels */
283     if( p_primary->Lock( p_primary, DSLF_WRITE,
284                          (void **) &p_pixels,
285                          &i_line_pitch) == DFB_OK )
286     {
287         i_size = i_line_pitch * p_vout->p_sys->i_height;
288
289         /* copy pixels */
290         memcpy( p_pixels, p_pic->p->p_pixels, i_size);
291         if( p_primary->Unlock(p_primary) == DFB_OK )
292         {
293             p_primary->Flip(p_primary, NULL, 0);
294         }
295     }
296 }
297
298 static int OpenDisplay( vout_thread_t *p_vout )
299 {
300     vout_sys_t *p_sys = p_vout->p_sys;
301     IDirectFB *p_directfb = NULL;
302     IDirectFBSurface *p_primary = NULL;
303     DFBSurfaceDescription dsc;
304
305     /*dsc.flags = DSDESC_CAPS | DSDESC_HEIGHT | DSDESC_WIDTH;*/
306     dsc.flags = DSDESC_CAPS;
307     dsc.caps  = DSCAPS_PRIMARY | DSCAPS_FLIPPING;
308
309     /*dsc.width = 352;*/
310     /*dsc.height = 240;*/
311     if( DirectFBCreate( &p_directfb ) != DFB_OK )
312         return VLC_EGENERIC;
313
314     p_sys->p_directfb = p_directfb;
315     if( !p_directfb )
316         return VLC_EGENERIC;
317
318     if( p_directfb->CreateSurface( p_directfb, &dsc, &p_primary ) )
319         return VLC_EGENERIC;
320
321     p_sys->p_primary = p_primary;
322     if( !p_primary )
323         return VLC_EGENERIC;
324
325     p_primary->GetSize( p_primary, &p_sys->i_width,
326                         &p_sys->i_height );
327     p_primary->GetPixelFormat( p_primary, &p_sys->p_pixel_format );
328     p_primary->FillRectangle( p_primary, 0, 0, p_sys->i_width,
329                               p_sys->i_height );
330     p_primary->Flip( p_primary, NULL, 0 );
331
332     return VLC_SUCCESS;
333 }
334
335 static void CloseDisplay( vout_thread_t *p_vout )
336 {
337     vout_sys_t *p_sys = p_vout->p_sys;
338     IDirectFB *p_directfb = p_sys->p_directfb;
339     IDirectFBSurface *p_primary = p_sys->p_primary;
340
341     if( p_primary )
342         p_primary->Release( p_primary );
343
344     if( p_directfb )
345         p_directfb->Release( p_directfb );
346 }