1 /*****************************************************************************
2 * vout_wrapper.c: "vout display" -> "video output" wrapper
3 *****************************************************************************
4 * Copyright (C) 2009 Laurent Aimar
7 * Authors: Laurent Aimar <fenrir _AT_ videolan _DOT_ org>
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
24 /*****************************************************************************
26 *****************************************************************************/
31 #include <vlc_common.h>
32 #include <vlc_plugin.h>
33 #include <vlc_vout_wrapper.h>
36 #include "vout_internal.h"
39 /*****************************************************************************
41 *****************************************************************************/
43 static int Forward(vlc_object_t *, char const *,
44 vlc_value_t, vlc_value_t, void *);
47 /*****************************************************************************
49 *****************************************************************************/
50 int vout_OpenWrapper(vout_thread_t *vout,
51 const char *splitter_name, const vout_display_state_t *state)
53 vout_thread_sys_t *sys = vout->p;
54 msg_Dbg(vout, "Opening vout display wrapper");
57 sys->display.title = var_InheritString(vout, "video-title");
60 const mtime_t double_click_timeout = 300000;
61 const mtime_t hide_timeout = var_CreateGetInteger(vout, "mouse-hide-timeout") * 1000;
64 sys->display.vd = vout_NewSplitter(vout, &vout->p->original, state, "$vout", splitter_name,
65 double_click_timeout, hide_timeout);
67 sys->display.vd = vout_NewDisplay(vout, &vout->p->original, state, "$vout",
68 double_click_timeout, hide_timeout);
70 if (!sys->display.vd) {
71 free(sys->display.title);
77 var_Create(vout, "video-wallpaper", VLC_VAR_BOOL|VLC_VAR_DOINHERIT);
78 var_AddCallback(vout, "video-wallpaper", Forward, NULL);
82 sys->decoder_pool = NULL;
87 /*****************************************************************************
89 *****************************************************************************/
90 void vout_CloseWrapper(vout_thread_t *vout, vout_display_state_t *state)
92 vout_thread_sys_t *sys = vout->p;
95 var_DelCallback(vout, "video-wallpaper", Forward, NULL);
97 sys->decoder_pool = NULL; /* FIXME remove */
99 vout_DeleteDisplay(sys->display.vd, state);
100 free(sys->display.title);
103 /*****************************************************************************
105 *****************************************************************************/
106 /* Minimum number of display picture */
107 #define DISPLAY_PICTURE_COUNT (1)
109 static void NoDrInit(vout_thread_t *vout)
111 vout_thread_sys_t *sys = vout->p;
113 if (sys->display.use_dr)
114 sys->display_pool = vout_display_Pool(sys->display.vd, 3);
116 sys->display_pool = NULL;
119 int vout_InitWrapper(vout_thread_t *vout)
121 vout_thread_sys_t *sys = vout->p;
122 vout_display_t *vd = sys->display.vd;
123 video_format_t source = vd->source;
125 sys->display.use_dr = !vout_IsDisplayFiltered(vd);
126 const bool allow_dr = !vd->info.has_pictures_invalid && !vd->info.is_slow && sys->display.use_dr;
127 const unsigned private_picture = 4; /* XXX 3 for filter, 1 for SPU */
128 const unsigned decoder_picture = 1 + sys->dpb_size;
129 const unsigned kept_picture = 1; /* last displayed picture */
130 const unsigned reserved_picture = DISPLAY_PICTURE_COUNT +
133 picture_pool_t *display_pool =
134 vout_display_Pool(vd, allow_dr ? __MAX(VOUT_MAX_PICTURES,
135 reserved_picture + decoder_picture) : 3);
137 picture_pool_GetSize(display_pool) >= reserved_picture + decoder_picture) {
138 sys->dpb_size = picture_pool_GetSize(display_pool) - reserved_picture;
139 sys->decoder_pool = display_pool;
140 sys->display_pool = display_pool;
141 } else if (!sys->decoder_pool) {
143 picture_pool_NewFromFormat(&source,
144 __MAX(VOUT_MAX_PICTURES,
145 reserved_picture + decoder_picture - DISPLAY_PICTURE_COUNT));
146 if (!sys->decoder_pool)
149 msg_Warn(vout, "Not enough direct buffers, using system memory");
152 sys->dpb_size = picture_pool_GetSize(sys->decoder_pool) - reserved_picture;
156 sys->private_pool = picture_pool_Reserve(sys->decoder_pool, private_picture);
157 sys->display.filtered = NULL;
161 /*****************************************************************************
163 *****************************************************************************/
164 void vout_EndWrapper(vout_thread_t *vout)
166 vout_thread_sys_t *sys = vout->p;
168 assert(!sys->display.filtered);
169 if (sys->private_pool)
170 picture_pool_Release(sys->private_pool);
172 if (sys->decoder_pool != sys->display_pool)
173 picture_pool_Release(sys->decoder_pool);
176 /*****************************************************************************
178 *****************************************************************************/
179 void vout_ManageWrapper(vout_thread_t *vout)
181 vout_thread_sys_t *sys = vout->p;
182 vout_display_t *vd = sys->display.vd;
184 bool reset_display_pool = vout_AreDisplayPicturesInvalid(vd);
185 reset_display_pool |= vout_ManageDisplay(vd, !sys->display.use_dr || reset_display_pool);
187 if (reset_display_pool) {
188 sys->display.use_dr = !vout_IsDisplayFiltered(vd);
194 static int Forward(vlc_object_t *object, char const *var,
195 vlc_value_t oldval, vlc_value_t newval, void *data)
197 vout_thread_t *vout = (vout_thread_t*)object;
201 return var_Set(vout->p->display.vd, var, newval);