/***************************************************************************** * libvlc.h: libvlc external API ***************************************************************************** * Copyright (C) 1998-2005 the VideoLAN team * $Id$ * * Authors: Clément Stenac <zorglub@videolan.org> * Jean-Paul Saman <jpsaman@videolan.org> * Pierre d'Herbemont <pdherbemont@videolan.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA. *****************************************************************************/ /** * \file * This file defines libvlc external API */ /** * \defgroup libvlc libvlc * This is libvlc, the base library of the VLC program. * * @{ */ #ifndef VLC_LIBVLC_H #define VLC_LIBVLC_H 1 #if defined (WIN32) && defined (DLL_EXPORT) # define VLC_PUBLIC_API __declspec(dllexport) #else # define VLC_PUBLIC_API #endif #ifdef __LIBVLC__ /* Avoid unuseful warnings from libvlc with our deprecated APIs */ # define VLC_DEPRECATED_API VLC_PUBLIC_API #elif defined(__GNUC__) && \ (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0) # define VLC_DEPRECATED_API VLC_PUBLIC_API __attribute__((deprecated)) #else # define VLC_DEPRECATED_API VLC_PUBLIC_API #endif # ifdef __cplusplus extern "C" { # endif /***************************************************************************** * Exception handling *****************************************************************************/ /** \defgroup libvlc_exception libvlc_exception * \ingroup libvlc_core * LibVLC Exceptions handling * @{ */ /** * Initialize an exception structure. This can be called several times to * reuse an exception structure. * * \param p_exception the exception to initialize */ VLC_PUBLIC_API void libvlc_exception_init( libvlc_exception_t *p_exception ); /** * Has an exception been raised? * * \param p_exception the exception to query * \return 0 if the exception was raised, 1 otherwise */ VLC_PUBLIC_API int libvlc_exception_raised( const libvlc_exception_t *p_exception ); /** * Raise an exception using a user-provided message. * * \param p_exception the exception to raise * \param psz_format the exception message format string * \param ... the format string arguments */ VLC_PUBLIC_API void libvlc_exception_raise( libvlc_exception_t *p_exception, const char *psz_format, ... ); /** * Clear an exception object so it can be reused. * The exception object must have be initialized. * * \param p_exception the exception to clear */ VLC_PUBLIC_API void libvlc_exception_clear( libvlc_exception_t * ); /** * Get an exception's message. * * \param p_exception the exception to query * \return the exception message or NULL if not applicable (exception not * raised, for example) */ VLC_PUBLIC_API const char * libvlc_exception_get_message( const libvlc_exception_t *p_exception ); /**@} */ /***************************************************************************** * Core handling *****************************************************************************/ /** \defgroup libvlc_core libvlc_core * \ingroup libvlc * LibVLC Core * @{ */ /** * Create and initialize a libvlc instance. * * \param argc the number of arguments * \param argv command-line-type arguments. argv[0] must be the path of the * calling program. * \param p_e an initialized exception pointer * \return the libvlc instance */ VLC_PUBLIC_API libvlc_instance_t * libvlc_new( int , const char *const *, libvlc_exception_t *); /** * Return a libvlc instance identifier for legacy APIs. Use of this * function is discouraged, you should convert your program to use the * new API. * * \param p_instance the instance * \return the instance identifier */ VLC_PUBLIC_API int libvlc_get_vlc_id( libvlc_instance_t *p_instance ); /** * Decrement the reference count of a libvlc instance, and destroy it * if it reaches zero. * * \param p_instance the instance to destroy */ VLC_PUBLIC_API void libvlc_release( libvlc_instance_t * ); /** * Increments the reference count of a libvlc instance. * The initial reference count is 1 after libvlc_new() returns. * * \param p_instance the instance to reference */ VLC_PUBLIC_API void libvlc_retain( libvlc_instance_t * ); /** * Try to start a user interface for the libvlc instance, and wait until the * user exits. * * \param p_instance the instance * \param name interface name, or NULL for default * \param p_exception an initialized exception pointer */ VLC_PUBLIC_API void libvlc_add_intf( libvlc_instance_t *p_instance, const char *name, libvlc_exception_t *p_exception ); /** * Waits until an interface causes the instance to exit. * You should start at least one interface first, using libvlc_add_intf(). * * \param p_instance the instance */ VLC_PUBLIC_API void libvlc_wait( libvlc_instance_t *p_instance ); /** * Retrieve libvlc version. * * Example: "0.9.0-git Grishenko" * * \return a string containing the libvlc version */ VLC_PUBLIC_API const char * libvlc_get_version(void); /** * Retrieve libvlc compiler version. * * Example: "gcc version 4.2.3 (Ubuntu 4.2.3-2ubuntu6)" * * \return a string containing the libvlc compiler version */ VLC_PUBLIC_API const char * libvlc_get_compiler(void); /** * Retrieve libvlc changeset. * * Example: "aa9bce0bc4" * * \return a string containing the libvlc changeset */ VLC_PUBLIC_API const char * libvlc_get_changeset(void); /** @}*/ /***************************************************************************** * media *****************************************************************************/ /** \defgroup libvlc_media libvlc_media * \ingroup libvlc * LibVLC Media * @{ */ /** * Create a media with the given MRL. * * \param p_instance the instance * \param psz_mrl the MRL to read * \param p_e an initialized exception pointer * \return the newly created media */ VLC_PUBLIC_API libvlc_media_t * libvlc_media_new( libvlc_instance_t *p_instance, const char * psz_mrl, libvlc_exception_t *p_e ); /** * Create a media as an empty node with the passed name. * * \param p_instance the instance * \param psz_name the name of the node * \param p_e an initialized exception pointer * \return the new empty media */ VLC_PUBLIC_API libvlc_media_t * libvlc_media_new_as_node( libvlc_instance_t *p_instance, const char * psz_name, libvlc_exception_t *p_e ); /** * Add an option to the media. * * This option will be used to determine how the media_player will * read the media. This allows to use VLC's advanced * reading/streaming options on a per-media basis. * * The options are detailed in vlc --long-help, for instance "--sout-all" * * \param p_instance the instance * \param ppsz_options the options (as a string) * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_add_option( libvlc_media_t * p_md, const char * ppsz_options, libvlc_exception_t * p_e ); /** * Retain a reference to a media descriptor object (libvlc_media_t). Use * libvlc_media_release() to decrement the reference count of a * media descriptor object. * * \param p_meta_desc a media descriptor object. */ VLC_PUBLIC_API void libvlc_media_retain( libvlc_media_t *p_meta_desc ); /** * Decrement the reference count of a media descriptor object. If the * reference count is 0, then libvlc_media_release() will release the * media descriptor object. It will send out an libvlc_MediaFreed event * to all listeners. If the media descriptor object has been released it * should not be used again. * * \param p_meta_desc a media descriptor object. */ VLC_PUBLIC_API void libvlc_media_release( libvlc_media_t *p_meta_desc ); /** * Get the media resource locator (mrl) from a media descriptor object * * \param p_md a media descriptor object * \param p_e an initialized exception object * \return string with mrl of media descriptor object */ VLC_PUBLIC_API char * libvlc_media_get_mrl( libvlc_media_t * p_md, libvlc_exception_t * p_e ); /** * Duplicate a media descriptor object. * * \param p_meta_desc a media descriptor object. */ VLC_PUBLIC_API libvlc_media_t * libvlc_media_duplicate( libvlc_media_t * ); /** * Read the meta of the media. * * \param p_meta_desc the media to read * \param e_meta_desc the meta to read * \param p_e an initialized exception pointer * \return the media's meta */ VLC_PUBLIC_API char * libvlc_media_get_meta( libvlc_media_t *p_meta_desc, libvlc_meta_t e_meta, libvlc_exception_t *p_e ); /** * Get current state of media descriptor object. Possible media states * are defined in libvlc_structures.c ( libvlc_NothingSpecial=0, * libvlc_Opening, libvlc_Buffering, libvlc_Playing, libvlc_Paused, * libvlc_Stopped, libvlc_Forward, libvlc_Backward, libvlc_Ended, * libvlc_Error). * * @see libvlc_state_t * \param p_meta_desc a media descriptor object * \param p_e an initialized exception object * \return state of media descriptor object */ VLC_PUBLIC_API libvlc_state_t libvlc_media_get_state( libvlc_media_t *p_meta_desc, libvlc_exception_t *p_e ); /** * Get subitems of media descriptor object. This will increment * the reference count of supplied media descriptor object. Use * libvlc_media_list_release() to decrement the reference counting. * * \param p_md media descriptor object * \param p_e initalized exception object * \return list of media descriptor subitems or NULL */ VLC_PUBLIC_API libvlc_media_list_t * libvlc_media_subitems( libvlc_media_t *p_md, libvlc_exception_t *p_e ); /** * Get event manager from media descriptor object. * NOTE: this function doesn't increment reference counting. * * \param p_md a media descriptor object * \param p_e an initialized exception object * \return event manager object */ VLC_PUBLIC_API libvlc_event_manager_t * libvlc_media_event_manager( libvlc_media_t * p_md, libvlc_exception_t * p_e ); /** * Get duration of media descriptor object item. * * \param p_md media descriptor object * \param p_e an initialized exception object * \return duration of media item */ VLC_PUBLIC_API libvlc_time_t libvlc_media_get_duration( libvlc_media_t * p_md, libvlc_exception_t * p_e ); /** * Get preparsed status for media descriptor object. * * \param p_md media descriptor object * \param p_e an initialized exception object * \return true if media object has been preparsed otherwise it returns false */ VLC_PUBLIC_API int libvlc_media_is_preparsed( libvlc_media_t * p_md, libvlc_exception_t * p_e ); /** * Sets media descriptor's user_data. user_data is specialized data * accessed by the host application, VLC.framework uses it as a pointer to * an native object that references a libvlc_media_t pointer * * \param p_md media descriptor object * \param p_new_user_data pointer to user data * \param p_e an initialized exception object */ VLC_PUBLIC_API void libvlc_media_set_user_data( libvlc_media_t * p_md, void * p_new_user_data, libvlc_exception_t * p_e); /** * Get media descriptor's user_data. user_data is specialized data * accessed by the host application, VLC.framework uses it as a pointer to * an native object that references a libvlc_media_t pointer * * \param p_md media descriptor object * \param p_e an initialized exception object */ VLC_PUBLIC_API void * libvlc_media_get_user_data( libvlc_media_t * p_md, libvlc_exception_t * p_e); /** @}*/ /***************************************************************************** * Media Player *****************************************************************************/ /** \defgroup libvlc_media_player libvlc_media_player * \ingroup libvlc * LibVLC Media Player, object that let you play a media * in a libvlc_drawable_t * @{ */ /** * Create an empty Media Player object * * \param p_libvlc_instance the libvlc instance in which the Media Player * should be created. * \param p_e an initialized exception pointer */ VLC_PUBLIC_API libvlc_media_player_t * libvlc_media_player_new( libvlc_instance_t *, libvlc_exception_t * ); /** * Create a Media Player object from a Media * * \param p_md the media. Afterwards the p_md can be safely * destroyed. * \param p_e an initialized exception pointer */ VLC_PUBLIC_API libvlc_media_player_t * libvlc_media_player_new_from_media( libvlc_media_t *, libvlc_exception_t * ); /** * Release a media_player after use * Decrement the reference count of a media player object. If the * reference count is 0, then libvlc_media_player_release() will * release the media player object. If the media player object * has been released, then it should not be used again. * * \param p_mi the Media Player to free */ VLC_PUBLIC_API void libvlc_media_player_release( libvlc_media_player_t * ); /** * Retain a reference to a media player object. Use * libvlc_media_player_release() to decrement reference count. * * \param p_mi media player object */ VLC_PUBLIC_API void libvlc_media_player_retain( libvlc_media_player_t * ); /** * Set the media that will be used by the media_player. If any, * previous md will be released. * * \param p_mi the Media Player * \param p_md the Media. Afterwards the p_md can be safely * destroyed. * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_player_set_media( libvlc_media_player_t *, libvlc_media_t *, libvlc_exception_t * ); /** * Get the media used by the media_player. * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return the media associated with p_mi, or NULL if no * media is associated */ VLC_PUBLIC_API libvlc_media_t * libvlc_media_player_get_media( libvlc_media_player_t *, libvlc_exception_t * ); /** * Get the Event Manager from which the media player send event. * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return the event manager associated with p_mi */ VLC_PUBLIC_API libvlc_event_manager_t * libvlc_media_player_event_manager ( libvlc_media_player_t *, libvlc_exception_t * ); /** * Play * * \param p_mi the Media Player * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_player_play ( libvlc_media_player_t *, libvlc_exception_t * ); /** * Pause * * \param p_mi the Media Player * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_player_pause ( libvlc_media_player_t *, libvlc_exception_t * ); /** * Stop * * \param p_mi the Media Player * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_player_stop ( libvlc_media_player_t *, libvlc_exception_t * ); /** * Set the drawable where the media player should render its video output * * \param p_mi the Media Player * \param drawable the libvlc_drawable_t where the media player * should render its video * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_player_set_drawable ( libvlc_media_player_t *, libvlc_drawable_t, libvlc_exception_t * ); /** * Get the drawable where the media player should render its video output * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return the libvlc_drawable_t where the media player * should render its video */ VLC_PUBLIC_API libvlc_drawable_t libvlc_media_player_get_drawable ( libvlc_media_player_t *, libvlc_exception_t * ); /** \bug This might go away ... to be replaced by a broader system */ /** * Get the current movie length (in ms). * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return the movie length (in ms). */ VLC_PUBLIC_API libvlc_time_t libvlc_media_player_get_length( libvlc_media_player_t *, libvlc_exception_t *); /** * Get the current movie time (in ms). * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return the movie time (in ms). */ VLC_PUBLIC_API libvlc_time_t libvlc_media_player_get_time( libvlc_media_player_t *, libvlc_exception_t *); /** * Set the movie time (in ms). * * \param p_mi the Media Player * \param the movie time (in ms). * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_player_set_time( libvlc_media_player_t *, libvlc_time_t, libvlc_exception_t *); /** * Get movie position. * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return movie position */ VLC_PUBLIC_API float libvlc_media_player_get_position( libvlc_media_player_t *, libvlc_exception_t *); /** * Set movie position. * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return movie position */ VLC_PUBLIC_API void libvlc_media_player_set_position( libvlc_media_player_t *, float, libvlc_exception_t *); /** * Set movie chapter * * \param p_mi the Media Player * \param i_chapter chapter number to play * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_player_set_chapter( libvlc_media_player_t *, int, libvlc_exception_t *); /** * Get movie chapter * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return chapter number currently playing */ VLC_PUBLIC_API int libvlc_media_player_get_chapter( libvlc_media_player_t *, libvlc_exception_t * ); /** * Get movie chapter count * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return number of chapters in movie */ VLC_PUBLIC_API int libvlc_media_player_get_chapter_count( libvlc_media_player_t *, libvlc_exception_t *); VLC_PUBLIC_API int libvlc_media_player_will_play ( libvlc_media_player_t *, libvlc_exception_t *); /** * Get movie play rate * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return movie play rate */ VLC_PUBLIC_API float libvlc_media_player_get_rate( libvlc_media_player_t *, libvlc_exception_t *); /** * Set movie play rate * * \param p_mi the Media Player * \param movie play rate to set * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_media_player_set_rate( libvlc_media_player_t *, float, libvlc_exception_t *); /** * Get current movie state * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return current movie state as libvlc_state_t */ VLC_PUBLIC_API libvlc_state_t libvlc_media_player_get_state( libvlc_media_player_t *, libvlc_exception_t *); /** * Get movie fps rate * * \param p_mi the Media Player * \param p_e an initialized exception pointer * \return frames per second (fps) for this playing movie */ VLC_PUBLIC_API float libvlc_media_player_get_fps( libvlc_media_player_t *, libvlc_exception_t *); /** end bug */ /** * Does this media player have a video output? * * \param p_md the media player * \param p_e an initialized exception pointer */ VLC_PUBLIC_API int libvlc_media_player_has_vout( libvlc_media_player_t *, libvlc_exception_t *); /** * Is this media player seekable? * * \param p_input the input * \param p_e an initialized exception pointer */ VLC_PUBLIC_API int libvlc_media_player_is_seekable( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ); /** * Can this media player be paused? * * \param p_input the input * \param p_e an initialized exception pointer */ VLC_PUBLIC_API int libvlc_media_player_can_pause( libvlc_media_player_t *p_mi, libvlc_exception_t *p_e ); /** \defgroup libvlc_video libvlc_video * \ingroup libvlc_media_player * LibVLC Video handling * @{ */ /** * Toggle fullscreen status on video output. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_toggle_fullscreen( libvlc_media_player_t *, libvlc_exception_t * ); /** * Enable or disable fullscreen on a video output. * * \param p_mediaplayer the media player * \param b_fullscreen boolean for fullscreen status * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_set_fullscreen( libvlc_media_player_t *, int, libvlc_exception_t * ); /** * Get current fullscreen status. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer * \return the fullscreen status (boolean) */ VLC_PUBLIC_API int libvlc_get_fullscreen( libvlc_media_player_t *, libvlc_exception_t * ); /** * Get current video height. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer * \return the video height */ VLC_PUBLIC_API int libvlc_video_get_height( libvlc_media_player_t *, libvlc_exception_t * ); /** * Get current video width. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer * \return the video width */ VLC_PUBLIC_API int libvlc_video_get_width( libvlc_media_player_t *, libvlc_exception_t * ); /** * Get current video aspect ratio. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer * \return the video aspect ratio */ VLC_PUBLIC_API char *libvlc_video_get_aspect_ratio( libvlc_media_player_t *, libvlc_exception_t * ); /** * Set new video aspect ratio. * * \param p_mediaplayer the media player * \param psz_aspect new video aspect-ratio * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_video_set_aspect_ratio( libvlc_media_player_t *, char *, libvlc_exception_t * ); /** * Get current video subtitle. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer * \return the video subtitle selected */ VLC_PUBLIC_API int libvlc_video_get_spu( libvlc_media_player_t *, libvlc_exception_t * ); /** * Set new video subtitle. * * \param p_mediaplayer the media player * \param i_spu new video subtitle to select * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_video_set_spu( libvlc_media_player_t *, int , libvlc_exception_t * ); /** * Set new video subtitle file. * * \param p_mediaplayer the media player * \param psz_subtitle new video subtitle file * \param p_e an initialized exception pointer * \return the success status (boolean) */ VLC_PUBLIC_API int libvlc_video_set_subtitle_file( libvlc_media_player_t *, char *, libvlc_exception_t * ); /** * Get current crop filter geometry. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer * \return the crop filter geometry */ VLC_PUBLIC_API char *libvlc_video_get_crop_geometry( libvlc_media_player_t *, libvlc_exception_t * ); /** * Set new crop filter geometry. * * \param p_mediaplayer the media player * \param psz_geometry new crop filter geometry * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_video_set_crop_geometry( libvlc_media_player_t *, char *, libvlc_exception_t * ); /** * Toggle teletext transparent status on video output. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_toggle_teletext( libvlc_media_player_t *, libvlc_exception_t * ); /** * Get current teletext page requested. * * \param p_mediaplayer the media player * \param p_e an initialized exception pointer * \return the current teletext page requested. */ VLC_PUBLIC_API int libvlc_video_get_teletext( libvlc_media_player_t *, libvlc_exception_t * ); /** * Set new teletext page to retrieve. * * \param p_mediaplayer the media player * \param i_page teletex page number requested * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_video_set_teletext( libvlc_media_player_t *, int, libvlc_exception_t * ); /** * Take a snapshot of the current video window. * * If i_width AND i_height is 0, original size is used. * If i_width XOR i_height is 0, original aspect-ratio is preserved. * * \param p_mediaplayer the media player * \param psz_filepath the path where to save the screenshot to * \param i_width the snapshot's width * \param i_height the snapshot's height * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_video_take_snapshot( libvlc_media_player_t *, char *,unsigned int, unsigned int, libvlc_exception_t * ); /** * Resize the current video output window. * * \param p_instance libvlc instance * \param width new width for video output window * \param height new height for video output window * \param p_e an initialized exception pointer * \return the success status (boolean) */ VLC_PUBLIC_API void libvlc_video_resize( libvlc_media_player_t *, int, int, libvlc_exception_t *); /** * Change the parent for the current the video output. * * \param p_instance libvlc instance * \param drawable the new parent window (Drawable on X11, CGrafPort on MacOSX, HWND on Win32) * \param p_e an initialized exception pointer * \return the success status (boolean) */ VLC_PUBLIC_API int libvlc_video_reparent( libvlc_media_player_t *, libvlc_drawable_t, libvlc_exception_t * ); /** * Tell windowless video output to redraw rectangular area (MacOS X only). * * \param p_instance libvlc instance * \param area coordinates within video drawable * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_video_redraw_rectangle( libvlc_media_player_t *, const libvlc_rectangle_t *, libvlc_exception_t * ); /** * Set the default video output size. * * This setting will be used as default for all video outputs. * * \param p_instance libvlc instance * \param width new width for video drawable * \param height new height for video drawable * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_video_set_size( libvlc_instance_t *, int, int, libvlc_exception_t * ); /** * Set the default video output viewport for a windowless video output * (MacOS X only). * * This setting will be used as default for all video outputs. * * \param p_instance libvlc instance * \param view coordinates within video drawable * \param clip coordinates within video drawable * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_video_set_viewport( libvlc_instance_t *, const libvlc_rectangle_t *, const libvlc_rectangle_t *, libvlc_exception_t * ); /** @} video */ /** \defgroup libvlc_audio libvlc_audio * \ingroup libvlc_media_player * LibVLC Audio handling * @{ */ /** * Toggle mute status. * * \param p_instance libvlc instance * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_audio_toggle_mute( libvlc_instance_t *, libvlc_exception_t * ); /** * Get current mute status. * * \param p_instance libvlc instance * \param p_e an initialized exception pointer * \return the mute status (boolean) */ VLC_PUBLIC_API int libvlc_audio_get_mute( libvlc_instance_t *, libvlc_exception_t * ); /** * Set mute status. * * \param p_instance libvlc instance * \param status If status is true then mute, otherwise unmute * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_audio_set_mute( libvlc_instance_t *, int , libvlc_exception_t * ); /** * Get current audio level. * * \param p_instance libvlc instance * \param p_e an initialized exception pointer * \return the audio level (int) */ VLC_PUBLIC_API int libvlc_audio_get_volume( libvlc_instance_t *, libvlc_exception_t * ); /** * Set current audio level. * * \param p_instance libvlc instance * \param i_volume the volume (int) * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_audio_set_volume( libvlc_instance_t *, int, libvlc_exception_t *); /** * Get number of available audio tracks. * * \param p_mi media player * \param p_e an initialized exception * \return the number of available audio tracks (int) */ VLC_PUBLIC_API int libvlc_audio_get_track_count( libvlc_media_player_t *, libvlc_exception_t * ); /** * Get current audio track. * * \param p_mi media player * \param p_e an initialized exception pointer * \return the audio track (int) */ VLC_PUBLIC_API int libvlc_audio_get_track( libvlc_media_player_t *, libvlc_exception_t * ); /** * Set current audio track. * * \param p_mi media player * \param i_track the track (int) * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_audio_set_track( libvlc_media_player_t *, int, libvlc_exception_t * ); /** * Get current audio channel. * * \param p_instance vlc instance * \param p_e an initialized exception pointer * \return the audio channel (int) */ VLC_PUBLIC_API int libvlc_audio_get_channel( libvlc_instance_t *, libvlc_exception_t * ); /** * Set current audio channel. * * \param p_instance vlc instance * \param i_channel the audio channel (int) * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_audio_set_channel( libvlc_instance_t *, int, libvlc_exception_t * ); /** @} audio */ /** @} media_player */ /***************************************************************************** * Event handling *****************************************************************************/ /** \defgroup libvlc_event libvlc_event * \ingroup libvlc_core * LibVLC Events * @{ */ /** * Register for an event notification. * * \param p_event_manager the event manager to which you want to attach to. * Generally it is obtained by vlc_my_object_event_manager() where * my_object is the object you want to listen to. * \param i_event_type the desired event to which we want to listen * \param f_callback the function to call when i_event_type occurs * \param user_data user provided data to carry with the event * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_event_attach( libvlc_event_manager_t *p_event_manager, libvlc_event_type_t i_event_type, libvlc_callback_t f_callback, void *user_data, libvlc_exception_t *p_e ); /** * Unregister an event notification. * * \param p_event_manager the event manager * \param i_event_type the desired event to which we want to unregister * \param f_callback the function to call when i_event_type occurs * \param p_user_data user provided data to carry with the event * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_event_detach( libvlc_event_manager_t *p_event_manager, libvlc_event_type_t i_event_type, libvlc_callback_t f_callback, void *p_user_data, libvlc_exception_t *p_e ); /** * Get an event's type name. * * \param i_event_type the desired event */ VLC_PUBLIC_API const char * libvlc_event_type_name( libvlc_event_type_t event_type ); /** @} */ /***************************************************************************** * Media Library *****************************************************************************/ /** \defgroup libvlc_media_library libvlc_media_library * \ingroup libvlc * LibVLC Media Library * @{ */ VLC_PUBLIC_API libvlc_media_library_t * libvlc_media_library_new( libvlc_instance_t * p_inst, libvlc_exception_t * p_e ); /** * Release media library object. This functions decrements the * reference count of the media library object. If it reaches 0, * then the object will be released. * * \param p_mlib media library object */ VLC_PUBLIC_API void libvlc_media_library_release( libvlc_media_library_t * p_mlib ); /** * Retain a reference to a media library object. This function will * increment the reference counting for this object. Use * libvlc_media_library_release() to decrement the reference count. * * \param p_mlib media library object */ VLC_PUBLIC_API void libvlc_media_library_retain( libvlc_media_library_t * p_mlib ); /** * Load media library. * * \param p_mlib media library object * \param p_e an initialized exception object. */ VLC_PUBLIC_API void libvlc_media_library_load( libvlc_media_library_t * p_mlib, libvlc_exception_t * p_e ); /** * Save media library. * * \param p_mlib media library object * \param p_e an initialized exception object. */ VLC_PUBLIC_API void libvlc_media_library_save( libvlc_media_library_t * p_mlib, libvlc_exception_t * p_e ); /** * Get media library subitems. * * \param p_mlib media library object * \param p_e an initialized exception object. * \return media list subitems */ VLC_PUBLIC_API libvlc_media_list_t * libvlc_media_library_media_list( libvlc_media_library_t * p_mlib, libvlc_exception_t * p_e ); /** @} */ /***************************************************************************** * Services/Media Discovery *****************************************************************************/ /** \defgroup libvlc_media_discoverer libvlc_media_discoverer * \ingroup libvlc * LibVLC Media Discoverer * @{ */ /** * Discover media service by name. * * \param p_inst libvlc instance * \param psz_name service name * \param p_e an initialized exception object * \return media discover object */ VLC_PUBLIC_API libvlc_media_discoverer_t * libvlc_media_discoverer_new_from_name( libvlc_instance_t * p_inst, const char * psz_name, libvlc_exception_t * p_e ); /** * Release media discover object. If the reference count reaches 0, then * the object will be released. * * \param p_mdis media service discover object */ VLC_PUBLIC_API void libvlc_media_discoverer_release( libvlc_media_discoverer_t * p_mdis ); /** * Get media service discover object its localized name. * * \param media discover object * \return localized name */ VLC_PUBLIC_API char * libvlc_media_discoverer_localized_name( libvlc_media_discoverer_t * p_mdis ); /** * Get media service discover media list. * * \param p_mdis media service discover object * \return list of media items */ VLC_PUBLIC_API libvlc_media_list_t * libvlc_media_discoverer_media_list( libvlc_media_discoverer_t * p_mdis ); /** * Get event manager from media service discover object. * * \param p_mdis media service discover object * \return event manager object. */ VLC_PUBLIC_API libvlc_event_manager_t * libvlc_media_discoverer_event_manager( libvlc_media_discoverer_t * p_mdis ); /** * Query if media service discover object is running. * * \param p_mdis media service discover object * \return true if running, false if not */ VLC_PUBLIC_API int libvlc_media_discoverer_is_running( libvlc_media_discoverer_t * p_mdis ); /**@} */ /***************************************************************************** * Message log handling *****************************************************************************/ /** \defgroup libvlc_log libvlc_log * \ingroup libvlc_core * LibVLC Message Logging * @{ */ /** * Return the VLC messaging verbosity level. * * \param p_instance libvlc instance * \param p_e an initialized exception pointer * \return verbosity level for messages */ VLC_PUBLIC_API unsigned libvlc_get_log_verbosity( const libvlc_instance_t *p_instance, libvlc_exception_t *p_e ); /** * Set the VLC messaging verbosity level. * * \param p_instance libvlc log instance * \param level log level * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_set_log_verbosity( libvlc_instance_t *p_instance, unsigned level, libvlc_exception_t *p_e ); /** * Open a VLC message log instance. * * \param p_instance libvlc instance * \param p_e an initialized exception pointer * \return log message instance */ VLC_PUBLIC_API libvlc_log_t *libvlc_log_open( libvlc_instance_t *, libvlc_exception_t *); /** * Close a VLC message log instance. * * \param p_log libvlc log instance * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_log_close( libvlc_log_t *, libvlc_exception_t *); /** * Returns the number of messages in a log instance. * * \param p_log libvlc log instance * \param p_e an initialized exception pointer * \return number of log messages */ VLC_PUBLIC_API unsigned libvlc_log_count( const libvlc_log_t *, libvlc_exception_t *); /** * Clear a log instance. * * All messages in the log are removed. The log should be cleared on a * regular basis to avoid clogging. * * \param p_log libvlc log instance * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_log_clear( libvlc_log_t *, libvlc_exception_t *); /** * Allocate and returns a new iterator to messages in log. * * \param p_log libvlc log instance * \param p_e an initialized exception pointer * \return log iterator object */ VLC_PUBLIC_API libvlc_log_iterator_t *libvlc_log_get_iterator( const libvlc_log_t *, libvlc_exception_t *); /** * Release a previoulsy allocated iterator. * * \param p_iter libvlc log iterator * \param p_e an initialized exception pointer */ VLC_PUBLIC_API void libvlc_log_iterator_free( libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e ); /** * Return whether log iterator has more messages. * * \param p_iter libvlc log iterator * \param p_e an initialized exception pointer * \return true if iterator has more message objects, else false */ VLC_PUBLIC_API int libvlc_log_iterator_has_next( const libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e ); /** * Return the next log message. * * The message contents must not be freed * * \param p_iter libvlc log iterator * \param p_buffer log buffer * \param p_e an initialized exception pointer * \return log message object */ VLC_PUBLIC_API libvlc_log_message_t *libvlc_log_iterator_next( libvlc_log_iterator_t *p_iter, libvlc_log_message_t *p_buffer, libvlc_exception_t *p_e ); /** @} */ # ifdef __cplusplus } # endif #endif /* <vlc/libvlc.h> */