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_drawable( self
->p_media_player
, (libvlc_drawable_t
)visual_id
, &ex
);
246 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex
);
251 mediacontrol_get_rate( mediacontrol_Instance
*self
,
252 mediacontrol_Exception
*exception
)
254 libvlc_exception_t ex
;
257 mediacontrol_exception_init( exception
);
258 libvlc_exception_init( &ex
);
260 i_ret
= libvlc_media_player_get_rate( self
->p_media_player
, &ex
);
261 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex
);
267 mediacontrol_set_rate( mediacontrol_Instance
*self
,
269 mediacontrol_Exception
*exception
)
271 libvlc_exception_t ex
;
273 mediacontrol_exception_init( exception
);
274 libvlc_exception_init( &ex
);
276 libvlc_media_player_set_rate( self
->p_media_player
, rate
* 10, &ex
);
277 HANDLE_LIBVLC_EXCEPTION_VOID( &ex
);
281 mediacontrol_get_fullscreen( mediacontrol_Instance
*self
,
282 mediacontrol_Exception
*exception
)
284 libvlc_exception_t ex
;
287 mediacontrol_exception_init( exception
);
288 libvlc_exception_init( &ex
);
290 i_ret
= libvlc_get_fullscreen( self
->p_media_player
, &ex
);
291 HANDLE_LIBVLC_EXCEPTION_ZERO( &ex
);
297 mediacontrol_set_fullscreen( mediacontrol_Instance
*self
,
298 const int b_fullscreen
,
299 mediacontrol_Exception
*exception
)
301 libvlc_exception_t ex
;
303 mediacontrol_exception_init( exception
);
304 libvlc_exception_init( &ex
);
306 libvlc_set_fullscreen( self
->p_media_player
, b_fullscreen
, &ex
);
307 HANDLE_LIBVLC_EXCEPTION_VOID( &ex
);