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 int Init (vout_thread_t *);
57 static void End (vout_thread_t *);
58 static int Manage (vout_thread_t *);
59 static void Render (vout_thread_t *, picture_t *);
60 static void Display(vout_thread_t *, picture_t *);
62 static void VoutGetDisplayCfg(vout_thread_t *,
63 vout_display_cfg_t *, const char *title);
65 static int Forward(vlc_object_t *, char const *,
66 vlc_value_t, vlc_value_t, void *);
69 /*****************************************************************************
71 *****************************************************************************/
72 int vout_OpenWrapper(vout_thread_t *vout, const char *name)
76 msg_Dbg(vout, "Opening vout display wrapper");
79 sys = malloc(sizeof(*sys));
83 sys->title = var_CreateGetNonEmptyString(vout, "video-title");
86 video_format_t source = vout->fmt_render;
87 source.i_visible_width = source.i_width;
88 source.i_visible_height = source.i_height;
89 source.i_x_offset = 0;
90 source.i_y_offset = 0;
92 vout_display_state_t state;
93 VoutGetDisplayCfg(vout, &state.cfg, sys->title);
94 state.is_on_top = var_CreateGetBool(vout, "video-on-top");
98 const mtime_t double_click_timeout = 300000;
99 const mtime_t hide_timeout = var_CreateGetInteger(vout, "mouse-hide-timeout") * 1000;
101 sys->vd = vout_NewDisplay(vout, &source, &state, name ? name : "$vout",
102 double_click_timeout, hide_timeout);
103 /* If we need to video filter and it fails, then try a splitter
104 * XXX it is a hack for now FIXME */
105 if (name && !sys->vd)
106 sys->vd = vout_NewSplitter(vout, &source, &state, "$vout", name,
107 double_click_timeout, hide_timeout);
116 var_Create(vout, "direct3d-desktop", VLC_VAR_BOOL|VLC_VAR_DOINHERIT);
117 var_AddCallback(vout, "direct3d-desktop", Forward, NULL);
118 var_Create(vout, "video-wallpaper", VLC_VAR_BOOL|VLC_VAR_DOINHERIT);
119 var_AddCallback(vout, "video-wallpaper", Forward, NULL);
123 vout->pf_init = Init;
125 vout->pf_manage = Manage;
126 vout->pf_render = Render;
127 vout->pf_display = Display;
128 vout->pf_control = NULL;
134 /*****************************************************************************
136 *****************************************************************************/
137 void vout_CloseWrapper(vout_thread_t *vout)
139 vout_sys_t *sys = vout->p_sys;
142 var_DelCallback(vout, "direct3d-desktop", Forward, NULL);
143 var_DelCallback(vout, "video-wallpaper", Forward, NULL);
145 vout_DeleteDisplay(sys->vd, NULL);
150 /*****************************************************************************
152 *****************************************************************************/
153 static int Init(vout_thread_t *vout)
155 vout_sys_t *sys = vout->p_sys;
156 vout_display_t *vd = sys->vd;
159 video_format_t source = vd->source;
161 vout->output.i_chroma = source.i_chroma;
162 vout->output.i_width = source.i_width;
163 vout->output.i_height = source.i_height;
164 vout->output.i_aspect = (int64_t)source.i_sar_num * source.i_width * VOUT_ASPECT_FACTOR / source.i_sar_den / source.i_height;
165 vout->output.i_rmask = source.i_rmask;
166 vout->output.i_gmask = source.i_gmask;
167 vout->output.i_bmask = source.i_bmask;
168 vout->output.pf_setpalette = NULL; /* FIXME What to do ? Seems unused anyway */
170 /* also set fmt_out (completly broken API) */
171 vout->fmt_out.i_chroma = vout->output.i_chroma;
172 vout->fmt_out.i_width =
173 vout->fmt_out.i_visible_width = vout->output.i_width;
174 vout->fmt_out.i_height =
175 vout->fmt_out.i_visible_height = vout->output.i_height;
176 vout->fmt_out.i_sar_num = vout->output.i_aspect * vout->output.i_height;
177 vout->fmt_out.i_sar_den = VOUT_ASPECT_FACTOR * vout->output.i_width;
178 vout->fmt_out.i_x_offset = 0;
179 vout->fmt_out.i_y_offset = 0;
181 if (vout->fmt_in.i_visible_width != source.i_visible_width ||
182 vout->fmt_in.i_visible_height != source.i_visible_height ||
183 vout->fmt_in.i_x_offset != source.i_x_offset ||
184 vout->fmt_in.i_y_offset != source.i_y_offset )
185 vout->i_changes |= VOUT_CROP_CHANGE;
188 vout_SetWindowState(vd, VOUT_WINDOW_STATE_ABOVE);
190 /* XXX For non dr case, the current vout implementation force us to
191 * create at most 1 direct picture (otherwise the buffers will be kept
192 * referenced even through the Init/End.
194 sys->use_dr = !vout_IsDisplayFiltered(vd);
195 const bool allow_dr = !vd->info.has_pictures_invalid && sys->use_dr;
196 const int picture_max = allow_dr ? VOUT_MAX_PICTURES : 1;
197 for (vout->output.i_pictures = 0;
198 vout->output.i_pictures < picture_max;
199 vout->output.i_pictures++) {
200 /* Find an empty picture slot */
201 picture_t *picture = NULL;
202 for (int index = 0; index < VOUT_MAX_PICTURES; index++) {
203 if (vout->p_picture[index].i_status == FREE_PICTURE) {
204 picture = &vout->p_picture[index];
210 memset(picture, 0, sizeof(*picture));
212 picture->p_sys = malloc(sizeof(*picture->p_sys));
215 picture_pool_t *pool = vout_display_Pool(vd, picture_max);
218 picture_t *direct = picture_pool_Get(pool);
221 picture->format = direct->format;
222 picture->i_planes = direct->i_planes;
223 for (int i = 0; i < direct->i_planes; i++)
224 picture->p[i] = direct->p[i];
225 picture->b_slow = vd->info.is_slow;
227 picture->p_sys->direct = direct;
229 vout_AllocatePicture(VLC_OBJECT(vd), picture,
231 vd->source.i_width, vd->source.i_height,
232 vd->source.i_sar_num, vd->source.i_sar_den);
233 if (!picture->i_planes)
235 picture->p_sys->direct = NULL;
237 picture->i_status = DESTROYED_PICTURE;
238 picture->i_type = DIRECT_PICTURE;
240 vout->output.pp_picture[vout->output.i_pictures] = picture;
245 /*****************************************************************************
247 *****************************************************************************/
248 static void End(vout_thread_t *vout)
250 vout_sys_t *sys = vout->p_sys;
252 for (int i = 0; i < VOUT_MAX_PICTURES; i++) {
253 picture_t *picture = &vout->p_picture[i];
255 if (picture->i_type != DIRECT_PICTURE)
258 if (picture->p_sys->direct)
259 picture_Release(picture->p_sys->direct);
261 free(picture->p_data_orig);
262 free(picture->p_sys);
264 picture->i_status = FREE_PICTURE;
266 if (sys->use_dr && vout_AreDisplayPicturesInvalid(sys->vd))
267 vout_ManageDisplay(sys->vd, true);
270 /*****************************************************************************
272 *****************************************************************************/
273 static int Manage(vout_thread_t *vout)
275 vout_sys_t *sys = vout->p_sys;
276 vout_display_t *vd = sys->vd;
278 while (vout->i_changes & (VOUT_FULLSCREEN_CHANGE |
285 if (vout->i_changes & VOUT_FULLSCREEN_CHANGE) {
286 vout->b_fullscreen = !vout->b_fullscreen;
288 var_SetBool(vout, "fullscreen", vout->b_fullscreen);
289 vout_SetDisplayFullscreen(vd, vout->b_fullscreen);
290 vout->i_changes &= ~VOUT_FULLSCREEN_CHANGE;
292 if (vout->i_changes & VOUT_ASPECT_CHANGE) {
293 vout->output.i_aspect = (int64_t)vout->fmt_in.i_sar_num * vout->fmt_in.i_width * VOUT_ASPECT_FACTOR /
294 vout->fmt_in.i_sar_den / vout->fmt_in.i_height;
295 vout->fmt_out.i_sar_num = vout->fmt_in.i_sar_num;
296 vout->fmt_out.i_sar_den = vout->fmt_in.i_sar_den;
298 vout_SetDisplayAspect(vd, vout->fmt_in.i_sar_num, vout->fmt_in.i_sar_den);
300 vout->i_changes &= ~VOUT_ASPECT_CHANGE;
302 if (vout->i_changes & VOUT_ZOOM_CHANGE) {
303 const float zoom = var_GetFloat(vout, "scale");
305 unsigned den = ZOOM_FP_FACTOR;
306 unsigned num = den * zoom;
307 if (num < (ZOOM_FP_FACTOR+9) / 10)
308 num = (ZOOM_FP_FACTOR+9) / 10;
309 else if (num > ZOOM_FP_FACTOR * 10)
310 num = ZOOM_FP_FACTOR * 10;
312 vout_SetDisplayZoom(vd, num, den);
314 vout->i_changes &= ~VOUT_ZOOM_CHANGE;
316 if (vout->i_changes & VOUT_SCALE_CHANGE) {
317 const bool is_display_filled = var_GetBool(vout, "autoscale");
319 vout_SetDisplayFilled(vd, is_display_filled);
321 vout->i_changes &= ~VOUT_SCALE_CHANGE;
323 if (vout->i_changes & VOUT_ON_TOP_CHANGE) {
324 vout_SetWindowState(vd, vout->b_on_top
325 ? VOUT_WINDOW_STATE_ABOVE
326 : VOUT_WINDOW_STATE_NORMAL);
328 vout->i_changes &= ~VOUT_ON_TOP_CHANGE;
330 if (vout->i_changes & VOUT_CROP_CHANGE) {
331 const video_format_t crop = vout->fmt_in;
332 const video_format_t org = vout->fmt_render;
333 /* FIXME because of rounding errors, the reconstructed ratio is wrong */
336 if (crop.i_x_offset == org.i_x_offset &&
337 crop.i_visible_width == org.i_visible_width &&
338 crop.i_y_offset == org.i_y_offset + (org.i_visible_height - crop.i_visible_height)/2) {
339 vlc_ureduce(&num, &den,
340 crop.i_visible_width * crop.i_sar_num,
341 crop.i_visible_height * crop.i_sar_den, 0);
342 } else if (crop.i_y_offset == org.i_y_offset &&
343 crop.i_visible_height == org.i_visible_height &&
344 crop.i_x_offset == org.i_x_offset + (org.i_visible_width - crop.i_visible_width)/2) {
345 vlc_ureduce(&num, &den,
346 crop.i_visible_width * crop.i_sar_num,
347 crop.i_visible_height * crop.i_sar_den, 0);
349 vout_SetDisplayCrop(vd, num, den,
350 crop.i_x_offset, crop.i_y_offset,
351 crop.i_visible_width, crop.i_visible_height);
352 vout->i_changes &= ~VOUT_CROP_CHANGE;
357 if (sys->use_dr && vout_AreDisplayPicturesInvalid(vd)) {
358 vout->i_changes |= VOUT_PICTURE_BUFFERS_CHANGE;
360 vout_ManageDisplay(vd, !sys->use_dr);
364 /*****************************************************************************
366 *****************************************************************************/
367 static void Render(vout_thread_t *vout, picture_t *picture)
369 vout_sys_t *sys = vout->p_sys;
370 vout_display_t *vd = sys->vd;
372 assert(sys->use_dr || !picture->p_sys->direct);
373 assert(vout_IsDisplayFiltered(vd) == !sys->use_dr);
376 assert(picture->p_sys->direct);
377 vout_display_Prepare(vd, picture->p_sys->direct);
379 picture_t *direct = picture->p_sys->direct = vout_FilterDisplay(vd, picture);
381 vout_display_Prepare(vd, direct);
386 /*****************************************************************************
388 *****************************************************************************/
389 static void Display(vout_thread_t *vout, picture_t *picture)
391 vout_sys_t *sys = vout->p_sys;
392 vout_display_t *vd = sys->vd;
394 picture_t *direct = picture->p_sys->direct;
398 /* XXX This is a hack that will work with current vout_display_t modules */
400 picture_Hold(direct);
402 vout_display_Display(vd, direct);
405 for (int i = 0; i < picture->i_planes; i++) {
406 picture->p[i].p_pixels = direct->p[i].p_pixels;
407 picture->p[i].i_pitch = direct->p[i].i_pitch;
408 picture->p[i].i_lines = direct->p[i].i_lines;
411 picture->p_sys->direct = NULL;
415 static void VoutGetDisplayCfg(vout_thread_t *vout, vout_display_cfg_t *cfg, const char *title)
417 /* Load configuration */
418 cfg->is_fullscreen = var_CreateGetBool(vout, "fullscreen");
419 cfg->display.title = title;
420 const int display_width = var_CreateGetInteger(vout, "width");
421 const int display_height = var_CreateGetInteger(vout, "height");
422 cfg->display.width = display_width > 0 ? display_width : 0;
423 cfg->display.height = display_height > 0 ? display_height : 0;
424 cfg->is_display_filled = var_CreateGetBool(vout, "autoscale");
425 cfg->display.sar.num = 1; /* TODO monitor AR */
426 cfg->display.sar.den = 1;
427 unsigned zoom_den = 1000;
428 unsigned zoom_num = zoom_den * var_CreateGetFloat(vout, "scale");
429 vlc_ureduce(&zoom_num, &zoom_den, zoom_num, zoom_den, 0);
430 cfg->zoom.num = zoom_num;
431 cfg->zoom.den = zoom_den;
432 cfg->align.vertical = VOUT_DISPLAY_ALIGN_CENTER;
433 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_CENTER;
434 const int align_mask = var_CreateGetInteger(vout, "align");
435 if (align_mask & 0x1)
436 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_LEFT;
437 else if (align_mask & 0x2)
438 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_RIGHT;
439 if (align_mask & 0x4)
440 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_TOP;
441 else if (align_mask & 0x8)
442 cfg->align.horizontal = VOUT_DISPLAY_ALIGN_BOTTOM;
446 static int Forward(vlc_object_t *object, char const *var,
447 vlc_value_t oldval, vlc_value_t newval, void *data)
449 vout_thread_t *vout = (vout_thread_t*)object;
453 return var_Set(vout->p_sys->vd, var, newval);