1 /*****************************************************************************
2 * video.c: libvlc new API video functions
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
6 * $Id: core.c 14187 2006-02-07 16:37:40Z courmisch $
8 * Authors: Cl�ent Stenac <zorglub@videolan.org>
9 * Filippo Carone <littlejohn@videolan.org>
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 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 General Public License for more details.
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
24 *****************************************************************************/
26 #include "libvlc_internal.h"
27 #include <vlc/libvlc.h>
28 #include <vlc_input.h>
32 * Remember to release the returned vout_thread_t since it is locked at
33 * the end of this function.
35 static vout_thread_t *GetVout( libvlc_input_t *p_input,
36 libvlc_exception_t *p_exception )
38 input_thread_t *p_input_thread;
39 vout_thread_t *p_vout;
43 libvlc_exception_raise( p_exception, "Input is NULL" );
47 p_input_thread = (input_thread_t*)vlc_object_get(
48 p_input->p_instance->p_libvlc_int,
49 p_input->i_input_id );
52 libvlc_exception_raise( p_exception, "Input does not exist" );
56 p_vout = vlc_object_find( p_input_thread, VLC_OBJECT_VOUT, FIND_CHILD );
59 vlc_object_release( p_input_thread );
60 libvlc_exception_raise( p_exception, "No active video output" );
63 vlc_object_release( p_input_thread );
67 /**********************************************************************
69 **********************************************************************/
71 void libvlc_set_fullscreen( libvlc_input_t *p_input, int b_fullscreen,
72 libvlc_exception_t *p_e )
74 /* We only work on the first vout */
75 vout_thread_t *p_vout1 = GetVout( p_input, p_e );
76 vlc_value_t val; int i_ret;
78 /* GetVout will raise the exception for us */
84 if( b_fullscreen ) val.b_bool = VLC_TRUE;
85 else val.b_bool = VLC_FALSE;
87 i_ret = var_Set( p_vout1, "fullscreen", val );
89 libvlc_exception_raise( p_e,
90 "Unexpected error while setting fullscreen value" );
92 vlc_object_release( p_vout1 );
95 int libvlc_get_fullscreen( libvlc_input_t *p_input,
96 libvlc_exception_t *p_e )
98 /* We only work on the first vout */
99 vout_thread_t *p_vout1 = GetVout( p_input, p_e );
100 vlc_value_t val; int i_ret;
102 /* GetVout will raise the exception for us */
106 i_ret = var_Get( p_vout1, "fullscreen", &val );
108 libvlc_exception_raise( p_e,
109 "Unexpected error while looking up fullscreen value" );
111 return val.b_bool == VLC_TRUE ? 1 : 0;
114 void libvlc_toggle_fullscreen( libvlc_input_t *p_input,
115 libvlc_exception_t *p_e )
117 /* We only work on the first vout */
118 vout_thread_t *p_vout1 = GetVout( p_input, p_e );
119 vlc_value_t val; int i_ret;
121 /* GetVout will raise the exception for us */
125 i_ret = var_Get( p_vout1, "fullscreen", &val );
127 libvlc_exception_raise( p_e,
128 "Unexpected error while looking up fullscreen value" );
130 val.b_bool = !val.b_bool;
131 i_ret = var_Set( p_vout1, "fullscreen", val );
133 libvlc_exception_raise( p_e,
134 "Unexpected error while setting fullscreen value" );
136 vlc_object_release( p_vout1 );
140 libvlc_video_take_snapshot( libvlc_input_t *p_input, char *psz_filepath,
141 libvlc_exception_t *p_e )
143 vout_thread_t *p_vout = GetVout( p_input, p_e );
144 input_thread_t *p_input_thread;
148 /* GetVout will raise the exception for us */
154 p_input_thread = (input_thread_t*)vlc_object_get(
155 p_input->p_instance->p_libvlc_int,
156 p_input->i_input_id );
157 if( !p_input_thread )
159 libvlc_exception_raise( p_e, "Input does not exist" );
163 snprintf( path, 255, "%s", psz_filepath );
164 var_SetString( p_vout, "snapshot-path", path );
165 var_SetString( p_vout, "snapshot-format", "png" );
167 vout_Control( p_vout, VOUT_SNAPSHOT );
168 vlc_object_release( p_vout );
169 vlc_object_release( p_input_thread );
172 int libvlc_video_get_height( libvlc_input_t *p_input,
173 libvlc_exception_t *p_e )
175 vout_thread_t *p_vout1 = GetVout( p_input, p_e );
179 vlc_object_release( p_vout1 );
181 return p_vout1->i_window_height;
184 int libvlc_video_get_width( libvlc_input_t *p_input,
185 libvlc_exception_t *p_e )
187 vout_thread_t *p_vout1 = GetVout( p_input, p_e );
191 vlc_object_release( p_vout1 );
193 return p_vout1->i_window_width;
196 vlc_bool_t libvlc_input_has_vout( libvlc_input_t *p_input,
197 libvlc_exception_t *p_e )
199 vout_thread_t *p_vout = GetVout( p_input, p_e );
201 /* GetVout will raise the exception for us */
207 vlc_object_release( p_vout );
212 int libvlc_video_reparent( libvlc_input_t *p_input, libvlc_drawable_t d,
213 libvlc_exception_t *p_e )
215 vout_thread_t *p_vout = GetVout( p_input, p_e );
219 /// \todo: set exception
223 vout_Control( p_vout , VOUT_REPARENT, d);
224 vlc_object_release( p_vout );
229 void libvlc_video_resize( libvlc_input_t *p_input, int width, int height, libvlc_exception_t *p_e )
231 vout_thread_t *p_vout = GetVout( p_input, p_e );
232 vout_Control( p_vout, VOUT_SET_SIZE, width, height );
233 vlc_object_release( p_vout );
236 /* global video settings */
238 void libvlc_video_set_parent( libvlc_instance_t *p_instance, libvlc_drawable_t d,
239 libvlc_exception_t *p_e )
241 /* set as default for future vout instances */
242 var_SetInteger(p_instance->p_libvlc_int, "drawable", (int)d);
244 if( libvlc_playlist_isplaying(p_instance, p_e) )
246 libvlc_input_t *p_input = libvlc_playlist_get_input(p_instance, p_e);
249 vout_thread_t *p_vout = GetVout( p_input, p_e );
252 /* tell running vout to re-parent */
253 vout_Control( p_vout , VOUT_REPARENT, d);
254 vlc_object_release( p_vout );
256 libvlc_input_free(p_input);
261 void libvlc_video_set_size( libvlc_instance_t *p_instance, int width, int height,
262 libvlc_exception_t *p_e )
264 /* set as default for future vout instances */
265 config_PutInt(p_instance->p_libvlc_int, "width", width);
266 config_PutInt(p_instance->p_libvlc_int, "height", height);
268 if( libvlc_playlist_isplaying(p_instance, p_e) )
270 libvlc_input_t *p_input = libvlc_playlist_get_input(p_instance, p_e);
273 vout_thread_t *p_vout = GetVout( p_input, p_e );
276 /* tell running vout to re-size */
277 vout_Control( p_vout , VOUT_SET_SIZE, width, height);
278 vlc_object_release( p_vout );
280 libvlc_input_free(p_input);
285 void libvlc_video_set_viewport( libvlc_instance_t *p_instance,
286 const libvlc_rectangle_t *view, const libvlc_rectangle_t *clip,
287 libvlc_exception_t *p_e )
291 libvlc_exception_raise( p_e, "viewport is NULL" );
294 /* if clip is NULL, then use view rectangle as clip */
298 /* set as default for future vout instances */
299 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-top", view->top );
300 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-left", view->left );
301 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-bottom", view->bottom );
302 var_SetInteger( p_instance->p_libvlc_int, "drawable-view-right", view->right );
303 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-top", clip->top );
304 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-left", clip->left );
305 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-bottom", clip->bottom );
306 var_SetInteger( p_instance->p_libvlc_int, "drawable-clip-right", clip->right );
308 if( libvlc_playlist_isplaying(p_instance, p_e) )
310 libvlc_input_t *p_input = libvlc_playlist_get_input(p_instance, p_e);
313 vout_thread_t *p_vout = GetVout( p_input, p_e );
316 /* change viewport for running vout */
317 vout_Control( p_vout , VOUT_SET_VIEWPORT,
318 view->top, view->left, view->bottom, view->right,
319 clip->top, clip->left, clip->bottom, clip->right );
320 vlc_object_release( p_vout );
322 libvlc_input_free(p_input);
327 char *libvlc_video_get_aspect_ratio( libvlc_input_t *p_input,
328 libvlc_exception_t *p_e )
330 char *psz_aspect = 0;
331 vout_thread_t *p_vout = GetVout( p_input, p_e );
336 psz_aspect = var_GetString( p_vout, "aspect-ratio" );
337 vlc_object_release( p_vout );
341 void libvlc_video_set_aspect_ratio( libvlc_input_t *p_input,
342 char *psz_aspect, libvlc_exception_t *p_e )
344 vout_thread_t *p_vout = GetVout( p_input, p_e );
350 i_ret = var_SetString( p_vout, "aspect-ratio", psz_aspect );
352 libvlc_exception_raise( p_e,
353 "Unexpected error while setting aspect-ratio value" );
355 vlc_object_release( p_vout );
358 int libvlc_video_destroy( libvlc_input_t *p_input,
359 libvlc_exception_t *p_e )
361 vout_thread_t *p_vout = GetVout( p_input, p_e );
362 vlc_object_detach( p_vout );
363 vlc_object_release( p_vout );
364 vout_Destroy( p_vout );