1 /*****************************************************************************
2 * vout_display.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
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 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 General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, 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_display.h>
34 #include <vlc_vout_wrapper.h>
37 #include "vout_internal.h"
40 /*****************************************************************************
42 *****************************************************************************/
49 struct picture_sys_t {
53 /*****************************************************************************
55 *****************************************************************************/
56 static void VoutGetDisplayCfg(vout_thread_t *,
57 vout_display_cfg_t *, const char *title);
59 static int Forward(vlc_object_t *, char const *,
60 vlc_value_t, vlc_value_t, void *);
63 /*****************************************************************************
65 *****************************************************************************/
66 int vout_OpenWrapper(vout_thread_t *vout, const char *name)
70 msg_Dbg(vout, "Opening vout display wrapper");
73 sys = malloc(sizeof(*sys));
77 sys->title = var_CreateGetNonEmptyString(vout, "video-title");
80 video_format_t source = vout->fmt_render;
81 source.i_visible_width = source.i_width;
82 source.i_visible_height = source.i_height;
83 source.i_x_offset = 0;
84 source.i_y_offset = 0;
86 vout_display_state_t state;
87 VoutGetDisplayCfg(vout, &state.cfg, sys->title);
88 state.is_on_top = var_CreateGetBool(vout, "video-on-top");
92 const mtime_t double_click_timeout = 300000;
93 const mtime_t hide_timeout = var_CreateGetInteger(vout, "mouse-hide-timeout") * 1000;
95 sys->vd = vout_NewDisplay(vout, &source, &state, name ? name : "$vout",
96 double_click_timeout, hide_timeout);
97 /* If we need to video filter and it fails, then try a splitter
98 * XXX it is a hack for now FIXME */
100 sys->vd = vout_NewSplitter(vout, &source, &state, "$vout", name,
101 double_click_timeout, hide_timeout);
110 var_Create(vout, "direct3d-desktop", VLC_VAR_BOOL|VLC_VAR_DOINHERIT);
111 var_AddCallback(vout, "direct3d-desktop", Forward, NULL);
112 var_Create(vout, "video-wallpaper", VLC_VAR_BOOL|VLC_VAR_DOINHERIT);
113 var_AddCallback(vout, "video-wallpaper", Forward, NULL);
117 vout->p->p_sys = sys;
122 /*****************************************************************************
124 *****************************************************************************/
125 void vout_CloseWrapper(vout_thread_t *vout)
127 vout_sys_t *sys = vout->p->p_sys;
130 var_DelCallback(vout, "direct3d-desktop", Forward, NULL);
131 var_DelCallback(vout, "video-wallpaper", Forward, NULL);
133 vout_DeleteDisplay(sys->vd, NULL);
138 /*****************************************************************************
140 *****************************************************************************/
141 int vout_InitWrapper(vout_thread_t *vout)
143 vout_sys_t *sys = vout->p->p_sys;
144 vout_display_t *vd = sys->vd;
147 video_format_t source = vd->source;
149 vout->fmt_out.i_chroma = source.i_chroma;
150 vout->fmt_out.i_width =
151 vout->fmt_out.i_visible_width = source.i_width;
152 vout->fmt_out.i_height =
153 vout->fmt_out.i_visible_height = source.i_height;
154 vout->fmt_out.i_sar_num = source.i_sar_num;
155 vout->fmt_out.i_sar_den = source.i_sar_den;
156 vout->fmt_out.i_x_offset = 0;
157 vout->fmt_out.i_y_offset = 0;
158 vout->fmt_out.i_rmask = source.i_rmask;
159 vout->fmt_out.i_gmask = source.i_gmask;
160 vout->fmt_out.i_bmask = source.i_bmask;
162 if (vout->fmt_in.i_visible_width != source.i_visible_width ||
163 vout->fmt_in.i_visible_height != source.i_visible_height ||
164 vout->fmt_in.i_x_offset != source.i_x_offset ||
165 vout->fmt_in.i_y_offset != source.i_y_offset )
166 vout->p->i_changes |= VOUT_CROP_CHANGE;
168 if (vout->p->b_on_top)
169 vout_SetWindowState(vd, VOUT_WINDOW_STATE_ABOVE);
171 /* XXX For non dr case, the current vout implementation force us to
172 * create at most 1 direct picture (otherwise the buffers will be kept
173 * referenced even through the Init/End.
175 sys->use_dr = !vout_IsDisplayFiltered(vd);
176 const bool allow_dr = !vd->info.has_pictures_invalid && sys->use_dr;
177 const int picture_max = allow_dr ? VOUT_MAX_PICTURES : 1;
178 for (vout->p->output.i_pictures = 0;
179 vout->p->output.i_pictures < picture_max;
180 vout->p->output.i_pictures++) {
181 /* Find an empty picture slot */
182 picture_t *picture = NULL;
183 for (int index = 0; index < VOUT_MAX_PICTURES; index++) {
184 if (vout->p->p_picture[index].i_status == FREE_PICTURE) {
185 picture = &vout->p->p_picture[index];
191 memset(picture, 0, sizeof(*picture));
193 picture->p_sys = malloc(sizeof(*picture->p_sys));
196 picture_pool_t *pool = vout_display_Pool(vd, picture_max);
199 picture_t *direct = picture_pool_Get(pool);
202 picture->format = direct->format;
203 picture->i_planes = direct->i_planes;
204 for (int i = 0; i < direct->i_planes; i++)
205 picture->p[i] = direct->p[i];
206 picture->b_slow = vd->info.is_slow;
208 picture->p_sys->direct = direct;
210 vout_AllocatePicture(VLC_OBJECT(vd), picture,
212 vd->source.i_width, vd->source.i_height,
213 vd->source.i_sar_num, vd->source.i_sar_den);
214 if (!picture->i_planes)
216 picture->p_sys->direct = NULL;
218 picture->i_status = DESTROYED_PICTURE;
219 picture->i_type = DIRECT_PICTURE;
221 vout->p->output.pp_picture[vout->p->output.i_pictures] = picture;
226 /*****************************************************************************
228 *****************************************************************************/
229 void vout_EndWrapper(vout_thread_t *vout)
231 vout_sys_t *sys = vout->p->p_sys;
233 for (int i = 0; i < VOUT_MAX_PICTURES; i++) {
234 picture_t *picture = &vout->p->p_picture[i];
236 if (picture->i_type != DIRECT_PICTURE)
239 if (picture->p_sys->direct)
240 picture_Release(picture->p_sys->direct);
242 free(picture->p_data_orig);
243 free(picture->p_sys);
245 picture->i_status = FREE_PICTURE;
247 if (sys->use_dr && vout_AreDisplayPicturesInvalid(sys->vd))
248 vout_ManageDisplay(sys->vd, true);
251 /*****************************************************************************
253 *****************************************************************************/
254 int vout_ManageWrapper(vout_thread_t *vout)
256 vout_sys_t *sys = vout->p->p_sys;
257 vout_display_t *vd = sys->vd;
259 while (vout->p->i_changes & (VOUT_FULLSCREEN_CHANGE |
266 if (vout->p->i_changes & VOUT_FULLSCREEN_CHANGE) {
267 vout->p->b_fullscreen = !vout->p->b_fullscreen;
269 var_SetBool(vout, "fullscreen", vout->p->b_fullscreen);
270 vout_SetDisplayFullscreen(vd, vout->p->b_fullscreen);
271 vout->p->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
273 if (vout->p->i_changes & VOUT_ASPECT_CHANGE) {
274 vout->fmt_out.i_sar_num = vout->fmt_in.i_sar_num;
275 vout->fmt_out.i_sar_den = vout->fmt_in.i_sar_den;
277 vout_SetDisplayAspect(vd, vout->fmt_in.i_sar_num, vout->fmt_in.i_sar_den);
279 vout->p->i_changes &= ~VOUT_ASPECT_CHANGE;
281 if (vout->p->i_changes & VOUT_ZOOM_CHANGE) {
282 const float zoom = var_GetFloat(vout, "scale");
284 unsigned den = ZOOM_FP_FACTOR;
285 unsigned num = den * zoom;
286 if (num < (ZOOM_FP_FACTOR+9) / 10)
287 num = (ZOOM_FP_FACTOR+9) / 10;
288 else if (num > ZOOM_FP_FACTOR * 10)
289 num = ZOOM_FP_FACTOR * 10;
291 vout_SetDisplayZoom(vd, num, den);
293 vout->p->i_changes &= ~VOUT_ZOOM_CHANGE;
295 if (vout->p->i_changes & VOUT_SCALE_CHANGE) {
296 const bool is_display_filled = var_GetBool(vout, "autoscale");
298 vout_SetDisplayFilled(vd, is_display_filled);
300 vout->p->i_changes &= ~VOUT_SCALE_CHANGE;
302 if (vout->p->i_changes & VOUT_ON_TOP_CHANGE) {
303 vout_SetWindowState(vd, vout->p->b_on_top
304 ? VOUT_WINDOW_STATE_ABOVE
305 : VOUT_WINDOW_STATE_NORMAL);
307 vout->p->i_changes &= ~VOUT_ON_TOP_CHANGE;
309 if (vout->p->i_changes & VOUT_CROP_CHANGE) {
310 const video_format_t crop = vout->fmt_in;
311 const video_format_t org = vout->fmt_render;
312 /* FIXME because of rounding errors, the reconstructed ratio is wrong */
315 if (crop.i_x_offset == org.i_x_offset &&
316 crop.i_visible_width == org.i_visible_width &&
317 crop.i_y_offset == org.i_y_offset + (org.i_visible_height - crop.i_visible_height)/2) {
318 vlc_ureduce(&num, &den,
319 crop.i_visible_width * crop.i_sar_num,
320 crop.i_visible_height * crop.i_sar_den, 0);
321 } else if (crop.i_y_offset == org.i_y_offset &&
322 crop.i_visible_height == org.i_visible_height &&
323 crop.i_x_offset == org.i_x_offset + (org.i_visible_width - crop.i_visible_width)/2) {
324 vlc_ureduce(&num, &den,
325 crop.i_visible_width * crop.i_sar_num,
326 crop.i_visible_height * crop.i_sar_den, 0);
328 vout_SetDisplayCrop(vd, num, den,
329 crop.i_x_offset, crop.i_y_offset,
330 crop.i_visible_width, crop.i_visible_height);
331 vout->p->i_changes &= ~VOUT_CROP_CHANGE;
336 if (sys->use_dr && vout_AreDisplayPicturesInvalid(vd)) {
337 vout->p->i_changes |= VOUT_PICTURE_BUFFERS_CHANGE;
339 vout_ManageDisplay(vd, !sys->use_dr);
343 /*****************************************************************************
345 *****************************************************************************/
346 void vout_RenderWrapper(vout_thread_t *vout, picture_t *picture)
348 vout_sys_t *sys = vout->p->p_sys;
349 vout_display_t *vd = sys->vd;
351 assert(sys->use_dr || !picture->p_sys->direct);
352 assert(vout_IsDisplayFiltered(vd) == !sys->use_dr);
355 assert(picture->p_sys->direct);
356 vout_display_Prepare(vd, picture->p_sys->direct);
358 picture_t *direct = picture->p_sys->direct = vout_FilterDisplay(vd, picture);
360 vout_display_Prepare(vd, direct);
365 /*****************************************************************************
367 *****************************************************************************/
368 void vout_DisplayWrapper(vout_thread_t *vout, picture_t *picture)
370 vout_sys_t *sys = vout->p->p_sys;
371 vout_display_t *vd = sys->vd;
373 picture_t *direct = picture->p_sys->direct;
377 /* XXX This is a hack that will work with current vout_display_t modules */
379 picture_Hold(direct);
381 vout_display_Display(vd, direct);
384 for (int i = 0; i < picture->i_planes; i++) {
385 picture->p[i].p_pixels = direct->p[i].p_pixels;
386 picture->p[i].i_pitch = direct->p[i].i_pitch;
387 picture->p[i].i_lines = direct->p[i].i_lines;
390 picture->p_sys->direct = NULL;
394 static void VoutGetDisplayCfg(vout_thread_t *vout, vout_display_cfg_t *cfg, const char *title)
396 /* Load configuration */
397 cfg->is_fullscreen = var_CreateGetBool(vout, "fullscreen");
398 cfg->display.title = title;
399 const int display_width = var_CreateGetInteger(vout, "width");
400 const int display_height = var_CreateGetInteger(vout, "height");
401 cfg->display.width = display_width > 0 ? display_width : 0;
402 cfg->display.height = display_height > 0 ? display_height : 0;
403 cfg->is_display_filled = var_CreateGetBool(vout, "autoscale");
404 cfg->display.sar.num = 1; /* TODO monitor AR */
405 cfg->display.sar.den = 1;
406 unsigned zoom_den = 1000;
407 unsigned zoom_num = zoom_den * var_CreateGetFloat(vout, "scale");
408 vlc_ureduce(&zoom_num, &zoom_den, zoom_num, zoom_den, 0);
409 cfg->zoom.num = zoom_num;
410 cfg->zoom.den = zoom_den;
411 cfg->align.vertical = VOUT_DISPLAY_ALIGN_CENTER;
412 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_CENTER;
413 const int align_mask = var_CreateGetInteger(vout, "align");
414 if (align_mask & 0x1)
415 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_LEFT;
416 else if (align_mask & 0x2)
417 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_RIGHT;
418 if (align_mask & 0x4)
419 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_TOP;
420 else if (align_mask & 0x8)
421 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_BOTTOM;
425 static int Forward(vlc_object_t *object, char const *var,
426 vlc_value_t oldval, vlc_value_t newval, void *data)
428 vout_thread_t *vout = (vout_thread_t*)object;
432 return var_Set(vout->p->p_sys->vd, var, newval);