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() */
42 #include <errno.h> /* ENOMEM */
49 #ifdef HAVE_SYS_TIME_H
50 # include <sys/time.h>
52 #ifdef HAVE_SYS_TYPES_H
53 # include <sys/types.h>
56 mediacontrol_RGBPicture *
57 mediacontrol_snapshot( mediacontrol_Instance *self,
58 const mediacontrol_Position * a_position,
59 mediacontrol_Exception *exception )
62 vout_thread_t* p_vout;
63 input_thread_t *p_input;
64 mediacontrol_RGBPicture *p_pic;
65 libvlc_exception_t ex;
67 libvlc_exception_init( &ex );
68 mediacontrol_exception_init( exception );
70 p_input = libvlc_get_input_thread( self->p_media_player, &ex );
73 RAISE_NULL( mediacontrol_InternalException, "No input" );
76 p_vout = input_GetVout( p_input );
77 vlc_object_release( p_input );
80 RAISE_NULL( mediacontrol_InternalException, "No video output" );
86 if( vout_GetSnapshot( p_vout, &p_image, NULL, &fmt, "png", 500*1000 ) )
88 vlc_object_release( p_vout );
89 RAISE_NULL( mediacontrol_InternalException, "Snapshot exception" );
94 char *p_data = malloc( p_image->i_buffer );
97 memcpy( p_data, p_image->p_buffer, p_image->i_buffer );
98 p_pic = private_mediacontrol_createRGBPicture( fmt.i_width,
109 block_Release( p_image );
112 RAISE_NULL( mediacontrol_InternalException, "Out of memory" );
114 vlc_object_release( p_vout );
119 int mediacontrol_showtext( vout_thread_t *p_vout, int i_channel,
120 const char *psz_string, text_style_t *p_style,
121 int i_flags, int i_hmargin, int i_vmargin,
122 mtime_t i_start, mtime_t i_stop )
124 return osd_ShowTextAbsolute( vout_GetSpu( p_vout ), i_channel,
126 i_flags, i_hmargin, i_vmargin,
132 mediacontrol_display_text( mediacontrol_Instance *self,
133 const char * message,
134 const mediacontrol_Position * begin,
135 const mediacontrol_Position * end,
136 mediacontrol_Exception *exception )
138 vout_thread_t *p_vout = NULL;
139 input_thread_t *p_input;
140 libvlc_exception_t ex;
142 libvlc_exception_init( &ex );
143 mediacontrol_exception_init( exception );
147 RAISE_VOID( mediacontrol_InternalException, "Empty text" );
150 p_input = libvlc_get_input_thread( self->p_media_player, &ex );
153 RAISE_VOID( mediacontrol_InternalException, "No input" );
155 p_vout = input_GetVout( p_input );
156 /*FIXME: take care of the next fixme that can use p_input */
157 vlc_object_release( p_input );
161 RAISE_VOID( mediacontrol_InternalException, "No video output" );
164 if( begin->origin == mediacontrol_RelativePosition &&
166 end->origin == mediacontrol_RelativePosition )
168 mtime_t i_duration = 0;
169 mtime_t i_now = mdate();
171 i_duration = 1000 * private_mediacontrol_unit_convert(
172 self->p_media_player,
174 mediacontrol_MediaTime,
177 mediacontrol_showtext( p_vout, DEFAULT_CHAN, message, NULL,
178 OSD_ALIGN_BOTTOM | OSD_ALIGN_LEFT, 0, 0,
179 i_now, i_now + i_duration );
183 mtime_t i_debut, i_fin, i_now;
186 /* i_now = input_ClockGetTS( p_input, NULL, 0 ); */
189 i_debut = private_mediacontrol_position2microsecond( self->p_media_player,
190 ( mediacontrol_Position* ) begin );
193 i_fin = private_mediacontrol_position2microsecond( self->p_media_player,
194 ( mediacontrol_Position * ) end );
197 vout_ShowTextAbsolute( p_vout, DEFAULT_CHAN, message, NULL,
198 OSD_ALIGN_BOTTOM | OSD_ALIGN_LEFT, 0, 0,
202 vlc_object_release( p_vout );
206 mediacontrol_sound_get_volume( mediacontrol_Instance *self,
207 mediacontrol_Exception *exception )
209 libvlc_exception_t ex;
212 mediacontrol_exception_init( exception );
213 libvlc_exception_init( &ex );
215 i_ret = libvlc_audio_get_volume( self->p_instance, &ex );
216 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex );
217 /* FIXME: Normalize in [0..100] */
218 return (unsigned short)i_ret;
222 mediacontrol_sound_set_volume( mediacontrol_Instance *self,
223 const unsigned short volume,
224 mediacontrol_Exception *exception )
226 /* FIXME: Normalize in [0..100] */
227 libvlc_exception_t ex;
229 mediacontrol_exception_init( exception );
230 libvlc_exception_init( &ex );
232 libvlc_audio_set_volume( self->p_instance, volume, &ex );
233 HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
236 int mediacontrol_set_visual( mediacontrol_Instance *self,
237 WINDOWHANDLE visual_id,
238 mediacontrol_Exception *exception )
240 libvlc_exception_t ex;
242 mediacontrol_exception_init( exception );
243 libvlc_exception_init( &ex );
245 libvlc_media_player_set_hwnd( self->p_media_player, visual_id, &ex );
247 libvlc_media_player_set_xwindow( self->p_media_player, visual_id, &ex );
249 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex );
254 mediacontrol_get_rate( mediacontrol_Instance *self,
255 mediacontrol_Exception *exception )
257 libvlc_exception_t ex;
260 mediacontrol_exception_init( exception );
261 libvlc_exception_init( &ex );
263 i_ret = libvlc_media_player_get_rate( self->p_media_player, &ex );
264 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex );
270 mediacontrol_set_rate( mediacontrol_Instance *self,
272 mediacontrol_Exception *exception )
274 libvlc_exception_t ex;
276 mediacontrol_exception_init( exception );
277 libvlc_exception_init( &ex );
279 libvlc_media_player_set_rate( self->p_media_player, rate * 10, &ex );
280 HANDLE_LIBVLC_EXCEPTION_VOID( &ex );
284 mediacontrol_get_fullscreen( mediacontrol_Instance *self,
285 mediacontrol_Exception *exception )
287 libvlc_exception_t ex;
290 mediacontrol_exception_init( exception );
291 libvlc_exception_init( &ex );
293 i_ret = libvlc_get_fullscreen( self->p_media_player, &ex );
294 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex );
300 mediacontrol_set_fullscreen( mediacontrol_Instance *self,
301 const int b_fullscreen,
302 mediacontrol_Exception *exception )
304 libvlc_exception_t ex;
306 mediacontrol_exception_init( exception );
307 libvlc_exception_init( &ex );
309 libvlc_set_fullscreen( self->p_media_player, b_fullscreen, &ex );
310 HANDLE_LIBVLC_EXCEPTION_VOID( &ex );