1 /*****************************************************************************
2 * directfb.c: DirectFB video output display method
3 *****************************************************************************
4 * Copyright © 2005-2009 VLC authors and VideoLAN
6 * Authors: Iuri Diniz <iuridiniz@gmail.com>
7 * Laurent Aimar <fenrir@videolan.org>
9 * This code is based in sdl.c and fb.c, thanks for VideoLAN team.
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU Lesser General Public License as published by
13 * the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
21 * You should have received a copy of the GNU Lesser General Public License
22 * along with this program; if not, write to the Free Software Foundation,
23 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 /*****************************************************************************
28 *****************************************************************************/
33 #include <vlc_common.h>
34 #include <vlc_plugin.h>
35 #include <vlc_vout_display.h>
36 #include <vlc_picture_pool.h>
40 /*****************************************************************************
42 *****************************************************************************/
43 static int Open (vlc_object_t *);
44 static void Close(vlc_object_t *);
47 set_shortname("DirectFB")
48 set_category(CAT_VIDEO)
49 set_subcategory(SUBCAT_VIDEO_VOUT)
50 set_description(N_("DirectFB video output http://www.directfb.org/"))
51 set_capability("vout display", 35)
52 add_shortcut("directfb")
53 set_callbacks(Open, Close)
56 /*****************************************************************************
58 *****************************************************************************/
59 static picture_pool_t *Pool (vout_display_t *, unsigned);
60 static void Display(vout_display_t *, picture_t *, subpicture_t *);
61 static int Control(vout_display_t *, int, va_list);
64 struct vout_display_sys_t {
66 IDirectFBSurface *primary;
74 static int Open(vlc_object_t *object)
76 vout_display_t *vd = (vout_display_t *)object;
77 vout_display_sys_t *sys;
79 vd->sys = sys = calloc(1, sizeof(*sys));
83 if (DirectFBInit(NULL,NULL) != DFB_OK) {
84 msg_Err(vd, "Cannot init DirectFB");
89 DFBSurfaceDescription dsc;
90 dsc.flags = DSDESC_CAPS;
91 dsc.caps = DSCAPS_PRIMARY | DSCAPS_TRIPLE;
93 dsc.flags |= DSDESC_HEIGHT | DSDESC_WIDTH;
98 IDirectFB *directfb = NULL;
99 if (DirectFBCreate(&directfb) != DFB_OK || !directfb)
101 sys->directfb = directfb;
103 IDirectFBSurface *primary = NULL;
104 if (directfb->CreateSurface(directfb, &dsc, &primary) || !primary)
106 sys->primary = primary;
112 primary->GetSize(primary, &width, &height);
114 vout_display_DeleteWindow(vd, NULL);
118 video_format_ApplyRotation(&fmt, &vd->fmt);
120 DFBSurfacePixelFormat pixel_format;
121 sys->primary->GetPixelFormat(sys->primary, &pixel_format);
122 switch (pixel_format) {
124 fmt.i_chroma = VLC_CODEC_RGB8;
125 fmt.i_rmask = 0x7 << 5;
126 fmt.i_gmask = 0x7 << 2;
127 fmt.i_bmask = 0x3 << 0;
129 case DSPF_RGB16: fmt.i_chroma = VLC_CODEC_RGB16; break;
130 case DSPF_RGB24: fmt.i_chroma = VLC_CODEC_RGB24; break;
131 case DSPF_RGB32: fmt.i_chroma = VLC_CODEC_RGB32; break;
133 msg_Err(vd, "unknown screen depth %i", pixel_format);
134 Close(VLC_OBJECT(vd));
138 video_format_FixRgb(&fmt);
141 fmt.i_height = height;
142 fmt.i_visible_width = width;
143 fmt.i_visible_height = height;
146 vout_display_info_t info = vd->info;
147 info.has_hide_mouse = true;
154 vd->display = Display;
155 vd->control = Control;
159 vout_display_SendEventFullscreen(vd, true);
160 vout_display_SendEventDisplaySize(vd, fmt.i_width, fmt.i_height, true);
164 msg_Err(vd, "Cannot create primary surface");
165 Close(VLC_OBJECT(vd));
169 static void Close(vlc_object_t *object)
171 vout_display_t *vd = (vout_display_t *)object;
172 vout_display_sys_t *sys = vd->sys;
175 picture_pool_Delete(sys->pool);
177 IDirectFBSurface *primary = sys->primary;
179 primary->Release(primary);
181 IDirectFB *directfb = sys->directfb;
183 directfb->Release(directfb);
188 struct picture_sys_t {
189 vout_display_sys_t *sys;
192 static int Lock(picture_t *pic)
194 vout_display_sys_t *sys = pic->p_sys->sys;
195 return sys->pics[sys->idx] == pic ? VLC_SUCCESS : VLC_EGENERIC;
199 static picture_pool_t *Pool(vout_display_t *vd, unsigned count)
202 vout_display_sys_t *sys = vd->sys;
203 IDirectFBSurface *primary = sys->primary;
206 picture_resource_t rsc;
207 memset(&rsc, 0, sizeof(rsc));
208 rsc.p[0].i_lines = vd->fmt.i_height;
210 for (int i = 0; i < 3; i++) {
211 rsc.p_sys = malloc(sizeof(*rsc.p_sys));
214 rsc.p_sys->sys = sys;
217 if (primary->Lock(primary, DSLF_WRITE, &pixels, &pitch) != DFB_OK)
220 rsc.p[0].i_pitch = pitch;
221 rsc.p[0].p_pixels = pixels;
222 primary->Unlock(primary);
223 primary->Flip(primary, NULL, 0);
225 sys->pics[i] = picture_NewFromResource(&vd->fmt, &rsc);
232 picture_pool_configuration_t cfg = {
234 .picture = sys->pics,
239 sys->pool = picture_pool_NewExtended(&cfg);
244 for (int i = 0; i < 2; i++) {
246 free(sys->pics[i]->p_sys);
247 picture_Release(sys->pics[i]);
254 static void Display(vout_display_t *vd, picture_t *picture, subpicture_t *subpicture)
256 vout_display_sys_t *sys = vd->sys;
258 IDirectFBSurface *primary = sys->primary;
259 primary->Flip(primary, NULL, 0);
262 picture_Release(picture);
264 VLC_UNUSED(subpicture);
267 static int Control(vout_display_t *vd, int query, va_list args)
270 case VOUT_DISPLAY_CHANGE_DISPLAY_SIZE: {
271 const vout_display_cfg_t *cfg = va_arg(args, const vout_display_cfg_t *);
272 if (cfg->display.width != vd->fmt.i_width ||
273 cfg->display.height != vd->fmt.i_height)
278 msg_Err(vd, "Unsupported query in vout display directfb");