1 /*****************************************************************************
2 * audio_video.c: Audio/Video management : volume, snapshot, OSD
3 *****************************************************************************
4 * Copyright (C) 2005 the VideoLAN team
7 * Authors: Olivier Aubert <olivier.aubert@liris.univ-lyon1.fr>
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 *****************************************************************************/
27 #include "mediacontrol_internal.h"
28 #include "libvlc_internal.h"
29 #include "media_player_internal.h"
31 #include <vlc/mediacontrol.h>
32 #include <vlc/libvlc.h>
35 #include <vlc_input.h>
37 #include <vlc_block.h>
39 #include <stdlib.h> /* malloc(), free() */
48 #ifdef HAVE_SYS_TIME_H
49 # include <sys/time.h>
51 #ifdef HAVE_SYS_TYPES_H
52 # include <sys/types.h>
55 mediacontrol_RGBPicture *
56 mediacontrol_snapshot( mediacontrol_Instance *self,
57 const mediacontrol_Position * a_position,
58 mediacontrol_Exception *exception )
61 vout_thread_t* p_vout;
62 input_thread_t *p_input;
63 mediacontrol_RGBPicture *p_pic;
64 libvlc_exception_t ex;
66 libvlc_exception_init( &ex );
67 mediacontrol_exception_init( exception );
69 p_input = libvlc_get_input_thread( self->p_media_player, &ex );
72 RAISE_NULL( mediacontrol_InternalException, "No input" );
75 p_vout = input_GetVout( p_input );
76 vlc_object_release( p_input );
79 RAISE_NULL( mediacontrol_InternalException, "No video output" );
85 if( vout_GetSnapshot( p_vout, &p_image, NULL, &fmt, "png", 500*1000 ) )
87 vlc_object_release( p_vout );
88 RAISE_NULL( mediacontrol_InternalException, "Snapshot exception" );
93 char *p_data = malloc( p_image->i_buffer );
96 memcpy( p_data, p_image->p_buffer, p_image->i_buffer );
97 p_pic = private_mediacontrol_createRGBPicture( fmt.i_width,
108 block_Release( p_image );
111 RAISE_NULL( mediacontrol_InternalException, "Out of memory" );
113 vlc_object_release( p_vout );
118 int mediacontrol_showtext( vout_thread_t *p_vout, int i_channel,
119 const char *psz_string, text_style_t *p_style,
120 int i_flags, int i_hmargin, int i_vmargin,
121 mtime_t i_start, mtime_t i_stop )
123 return osd_ShowTextAbsolute( vout_GetSpu( p_vout ), i_channel,
125 i_flags, i_hmargin, i_vmargin,
131 mediacontrol_display_text( mediacontrol_Instance *self,
132 const char * message,
133 const mediacontrol_Position * begin,
134 const mediacontrol_Position * end,
135 mediacontrol_Exception *exception )
137 vout_thread_t *p_vout = NULL;
138 input_thread_t *p_input;
139 libvlc_exception_t ex;
141 libvlc_exception_init( &ex );
142 mediacontrol_exception_init( exception );
146 RAISE_VOID( mediacontrol_InternalException, "Empty text" );
149 p_input = libvlc_get_input_thread( self->p_media_player, &ex );
152 RAISE_VOID( mediacontrol_InternalException, "No input" );
154 p_vout = input_GetVout( p_input );
155 /*FIXME: take care of the next fixme that can use p_input */
156 vlc_object_release( p_input );
160 RAISE_VOID( mediacontrol_InternalException, "No video output" );
163 if( begin->origin == mediacontrol_RelativePosition &&
165 end->origin == mediacontrol_RelativePosition )
167 mtime_t i_duration = 0;
168 mtime_t i_now = mdate();
170 i_duration = 1000 * private_mediacontrol_unit_convert(
171 self->p_media_player,
173 mediacontrol_MediaTime,
176 mediacontrol_showtext( p_vout, DEFAULT_CHAN, message, NULL,
177 OSD_ALIGN_BOTTOM | OSD_ALIGN_LEFT, 0, 0,
178 i_now, i_now + i_duration );
182 mtime_t i_debut, i_fin, i_now;
185 /* i_now = input_ClockGetTS( p_input, NULL, 0 ); */
188 i_debut = private_mediacontrol_position2microsecond( self->p_media_player,
189 ( mediacontrol_Position* ) begin );
192 i_fin = private_mediacontrol_position2microsecond( self->p_media_player,
193 ( mediacontrol_Position * ) end );
196 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN, message, NULL,
197 OSD_ALIGN_BOTTOM | OSD_ALIGN_LEFT, 0, 0,
201 vlc_object_release( p_vout );
205 mediacontrol_sound_get_volume( mediacontrol_Instance *self,
206 mediacontrol_Exception *exception )
210 mediacontrol_exception_init( exception );
212 i_ret = libvlc_audio_get_volume( self->p_instance );
213 /* FIXME: Normalize in [0..100] */
214 return (unsigned short)i_ret;
218 mediacontrol_sound_set_volume( mediacontrol_Instance *self,
219 const unsigned short volume,
220 mediacontrol_Exception *exception )
222 /* FIXME: Normalize in [0..100] */
223 libvlc_exception_t ex;
225 mediacontrol_exception_init( exception );
226 libvlc_exception_init( &ex );
228 libvlc_audio_set_volume( self->p_instance, volume, &ex );
229 HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
232 int mediacontrol_set_visual( mediacontrol_Instance *self,
233 WINDOWHANDLE visual_id,
234 mediacontrol_Exception *exception )
236 libvlc_exception_t ex;
238 mediacontrol_exception_init( exception );
239 libvlc_exception_init( &ex );
241 libvlc_media_player_set_hwnd( self->p_media_player, visual_id, &ex );
243 libvlc_media_player_set_xwindow( self->p_media_player, visual_id, &ex );
245 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex );
250 mediacontrol_get_rate( mediacontrol_Instance *self,
251 mediacontrol_Exception *exception )
253 libvlc_exception_t ex;
256 mediacontrol_exception_init( exception );
257 libvlc_exception_init( &ex );
259 i_ret = libvlc_media_player_get_rate( self->p_media_player, &ex );
260 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex );
266 mediacontrol_set_rate( mediacontrol_Instance *self,
268 mediacontrol_Exception *exception )
270 libvlc_exception_t ex;
272 mediacontrol_exception_init( exception );
273 libvlc_exception_init( &ex );
275 libvlc_media_player_set_rate( self->p_media_player, rate * 10, &ex );
276 HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
280 mediacontrol_get_fullscreen( mediacontrol_Instance *self,
281 mediacontrol_Exception *exception )
283 libvlc_exception_t ex;
286 mediacontrol_exception_init( exception );
287 libvlc_exception_init( &ex );
289 i_ret = libvlc_get_fullscreen( self->p_media_player, &ex );
290 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex );
296 mediacontrol_set_fullscreen( mediacontrol_Instance *self,
297 const int b_fullscreen,
298 mediacontrol_Exception *exception )
300 libvlc_exception_t ex;
302 mediacontrol_exception_init( exception );
303 libvlc_exception_init( &ex );
305 libvlc_set_fullscreen( self->p_media_player, b_fullscreen, &ex );
306 HANDLE_LIBVLC_EXCEPTION_VOID( &ex );