1 /*****************************************************************************
2 * control.h: global header for mediacontrol
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 *****************************************************************************/
25 * \defgroup mediacontrol MediaControl
26 * This is the MediaControl API, * intended to provide a generic API to movie players.
32 #ifndef _VLC_CONTROL_H
33 #define _VLC_CONTROL_H 1
41 #define WINDOWHANDLE HWND
43 #define WINDOWHANDLE int
46 #include <vlc/mediacontrol_structures.h>
49 * RGBPicture structure
50 * This generic structure holds a picture in an encoding specified by type.
59 } mediacontrol_RGBPicture;
63 * A simple list of strings.
68 } mediacontrol_PlaylistSeq;
73 } mediacontrol_Exception;
78 #define mediacontrol_PositionKeyNotSupported 1
79 #define mediacontrol_PositionOriginNotSupported 2
80 #define mediacontrol_InvalidPosition 3
81 #define mediacontrol_PlaylistException 4
82 #define mediacontrol_InternalException 5
85 * mediacontrol_Instance is an opaque structure, defined in
86 * mediacontrol_internal.h. API users do not have to mess with it.
88 typedef struct mediacontrol_Instance mediacontrol_Instance;
91 * Possible player status
93 enum mediacontrol_PlayerStatusList
95 mediacontrol_PlayingStatus, mediacontrol_PauseStatus,
96 mediacontrol_ForwardStatus, mediacontrol_BackwardStatus,
97 mediacontrol_InitStatus, mediacontrol_EndStatus,
98 mediacontrol_UndefinedStatus
100 typedef enum mediacontrol_PlayerStatusList mediacontrol_PlayerStatus;
104 * This structure allows to quickly get various informations about the stream.
107 mediacontrol_PlayerStatus streamstatus;
108 char *url; /* The URL of the current media stream */
109 vlc_int64_t position; /* actual location in the stream (in ms) */
110 vlc_int64_t length; /* total length of the stream (in ms) */
111 } mediacontrol_StreamInformation;
113 /**************************************************************************
115 ***************************************************************************/
118 * Allocate a RGBPicture structure.
119 * \param datasize: the size of the data
121 mediacontrol_RGBPicture *mediacontrol_RGBPicture__alloc( int datasize );
124 * Free a RGBPicture structure.
125 * \param pic: the RGBPicture structure
127 VLC_PUBLIC_API void mediacontrol_RGBPicture__free( mediacontrol_RGBPicture *pic );
129 mediacontrol_RGBPicture *_mediacontrol_createRGBPicture( int, int, long, vlc_int64_t l_date,
132 mediacontrol_PlaylistSeq *mediacontrol_PlaylistSeq__alloc( int size );
134 VLC_PUBLIC_API void mediacontrol_PlaylistSeq__free( mediacontrol_PlaylistSeq *ps );
137 * Free a StreamInformation structure.
138 * \param pic: the StreamInformation structure
141 mediacontrol_StreamInformation__free( mediacontrol_StreamInformation* p_si );
144 * Instanciate and initialize an exception structure.
145 * \return the exception
147 VLC_PUBLIC_API mediacontrol_Exception *
148 mediacontrol_exception_create( void );
151 * Initialize an existing exception structure.
152 * \param p_exception the exception to initialize.
155 mediacontrol_exception_init( mediacontrol_Exception *exception );
158 * Free an exception structure.
159 * \return the exception
161 VLC_PUBLIC_API void mediacontrol_exception_free(mediacontrol_Exception *exception);
163 /*****************************************************************************
165 *****************************************************************************/
168 * Create a MediaControl instance with parameters
169 * \param argc the number of arguments
170 * \param argv parameters
171 * \param exception an initialized exception pointer
172 * \return a mediacontrol_Instance
174 VLC_PUBLIC_API mediacontrol_Instance *
175 mediacontrol_new( int argc, char **argv, mediacontrol_Exception *exception );
178 * Create a MediaControl instance from an existing libvlc instance
179 * \param p_instance the libvlc instance
180 * \param exception an initialized exception pointer
181 * \return a mediacontrol_Instance
183 VLC_PUBLIC_API mediacontrol_Instance *
184 mediacontrol_new_from_instance( libvlc_instance_t* p_instance,
185 mediacontrol_Exception *exception );
188 * Get the associated libvlc instance
189 * \param self: the mediacontrol instance
190 * \return a libvlc instance
192 VLC_PUBLIC_API libvlc_instance_t*
193 mediacontrol_get_libvlc_instance( mediacontrol_Instance* self );
196 * Get the current position
197 * \param self the mediacontrol instance
198 * \param an_origin the position origin
199 * \param a_key the position unit
200 * \param exception an initialized exception pointer
201 * \return a mediacontrol_Position
203 VLC_PUBLIC_API mediacontrol_Position * mediacontrol_get_media_position(
204 mediacontrol_Instance *self,
205 const mediacontrol_PositionOrigin an_origin,
206 const mediacontrol_PositionKey a_key,
207 mediacontrol_Exception *exception );
211 * \param self the mediacontrol instance
212 * \param a_position a mediacontrol_Position
213 * \param exception an initialized exception pointer
215 VLC_PUBLIC_API void mediacontrol_set_media_position( mediacontrol_Instance *self,
216 const mediacontrol_Position *a_position,
217 mediacontrol_Exception *exception );
220 * Play the movie at a given position
221 * \param self the mediacontrol instance
222 * \param a_position a mediacontrol_Position
223 * \param exception an initialized exception pointer
225 VLC_PUBLIC_API void mediacontrol_start( mediacontrol_Instance *self,
226 const mediacontrol_Position *a_position,
227 mediacontrol_Exception *exception );
230 * Pause the movie at a given position
231 * \param self the mediacontrol instance
232 * \param a_position a mediacontrol_Position (ignored for now)
233 * \param exception an initialized exception pointer
235 VLC_PUBLIC_API void mediacontrol_pause( mediacontrol_Instance *self,
236 const mediacontrol_Position *a_position,
237 mediacontrol_Exception *exception );
240 * Resume the movie at a given position
241 * \param self the mediacontrol instance
242 * \param a_position a mediacontrol_Position (ignored for now)
243 * \param exception an initialized exception pointer
245 VLC_PUBLIC_API void mediacontrol_resume( mediacontrol_Instance *self,
246 const mediacontrol_Position *a_position,
247 mediacontrol_Exception *exception );
250 * Stop the movie at a given position
251 * \param self the mediacontrol instance
252 * \param a_position a mediacontrol_Position (ignored for now)
253 * \param exception an initialized exception pointer
255 VLC_PUBLIC_API void mediacontrol_stop( mediacontrol_Instance *self,
256 const mediacontrol_Position *a_position,
257 mediacontrol_Exception *exception );
261 * \param self the mediacontrol instance
263 VLC_PUBLIC_API void mediacontrol_exit( mediacontrol_Instance *self );
266 * Add a new MRL to the playlist
267 * \param self the mediacontrol instance
268 * \param psz_file the MRL
269 * \param exception an initialized exception pointer
271 VLC_PUBLIC_API void mediacontrol_playlist_add_item( mediacontrol_Instance *self,
272 const char* psz_file,
273 mediacontrol_Exception *exception );
276 * \param self the mediacontrol instance
277 * \param exception an initialized exception pointer
279 VLC_PUBLIC_API void mediacontrol_playlist_clear( mediacontrol_Instance *self,
280 mediacontrol_Exception *exception );
282 * Get a flattened view of the playlist
283 * \param self the mediacontrol instance
284 * \param exception an initialized exception pointer
285 * \return a list of strings
287 VLC_PUBLIC_API mediacontrol_PlaylistSeq *
288 mediacontrol_playlist_get_list( mediacontrol_Instance *self,
289 mediacontrol_Exception *exception );
293 * \param self the mediacontrol instance
294 * \param exception an initialized exception pointer
297 mediacontrol_playlist_next_item( mediacontrol_Instance *self,
298 mediacontrol_Exception *exception );
300 /*****************************************************************************
302 *****************************************************************************/
305 * \param self the mediacontrol instance
306 * \param a_position the desired position (ignored for now)
307 * \param exception an initialized exception pointer
308 * \return a RGBpicture
310 VLC_PUBLIC_API mediacontrol_RGBPicture *
311 mediacontrol_snapshot( mediacontrol_Instance *self,
312 const mediacontrol_Position *a_position,
313 mediacontrol_Exception *exception );
315 /* Return a NULL terminated list */
317 * Get a list of all cached snapshots (unimplemented)
318 * \param self the mediacontrol instance
319 * \param exception an initialized exception pointer
320 * \return a NULL-terminated list of RGBpicture
322 VLC_PUBLIC_API mediacontrol_RGBPicture **
323 mediacontrol_all_snapshots( mediacontrol_Instance *self,
324 mediacontrol_Exception *exception );
327 * Displays the message string, between "begin" and "end" positions.
328 * \param self the mediacontrol instance
329 * \param message the message to display
330 * \param begin the begin position
331 * \param end the end position
332 * \param exception an initialized exception pointer
334 VLC_PUBLIC_API void mediacontrol_display_text( mediacontrol_Instance *self,
336 const mediacontrol_Position *begin,
337 const mediacontrol_Position *end,
338 mediacontrol_Exception *exception );
341 * Get information about a stream
342 * \param self the mediacontrol instance
343 * \param a_key the time unit
344 * \param exception an initialized exception pointer
345 * \return a mediacontrol_StreamInformation
347 VLC_PUBLIC_API mediacontrol_StreamInformation *
348 mediacontrol_get_stream_information( mediacontrol_Instance *self,
349 mediacontrol_PositionKey a_key,
350 mediacontrol_Exception *exception );
353 * Get the current audio level, normalized in [0..100]
354 * \param self the mediacontrol instance
355 * \param exception an initialized exception pointer
358 VLC_PUBLIC_API unsigned short
359 mediacontrol_sound_get_volume( mediacontrol_Instance *self,
360 mediacontrol_Exception *exception );
362 * Set the audio level
363 * \param self the mediacontrol instance
364 * \param volume the volume (normalized in [0..100])
365 * \param exception an initialized exception pointer
367 VLC_PUBLIC_API void mediacontrol_sound_set_volume( mediacontrol_Instance *self,
368 const unsigned short volume,
369 mediacontrol_Exception *exception );
372 * Set the video output window
373 * \param self the mediacontrol instance
374 * \param visual_id the Xid or HWND, depending on the platform
375 * \param exception an initialized exception pointer
377 VLC_PUBLIC_API vlc_bool_t mediacontrol_set_visual( mediacontrol_Instance *self,
378 WINDOWHANDLE visual_id,
379 mediacontrol_Exception *exception );
382 * Get the current playing rate, in percent
383 * \param self the mediacontrol instance
384 * \param exception an initialized exception pointer
387 VLC_PUBLIC_API int mediacontrol_get_rate( mediacontrol_Instance *self,
388 mediacontrol_Exception *exception );
391 * Set the playing rate, in percent
392 * \param self the mediacontrol instance
393 * \param rate the desired rate
394 * \param exception an initialized exception pointer
396 VLC_PUBLIC_API void mediacontrol_set_rate( mediacontrol_Instance *self,
398 mediacontrol_Exception *exception );
401 * Get current fullscreen status
402 * \param self the mediacontrol instance
403 * \param exception an initialized exception pointer
404 * \return the fullscreen status
406 VLC_PUBLIC_API int mediacontrol_get_fullscreen( mediacontrol_Instance *self,
407 mediacontrol_Exception *exception );
410 * Set fullscreen status
411 * \param self the mediacontrol instance
412 * \param b_fullscreen the desired status
413 * \param exception an initialized exception pointer
415 VLC_PUBLIC_API void mediacontrol_set_fullscreen( mediacontrol_Instance *self,
416 const int b_fullscreen,
417 mediacontrol_Exception *exception );