kdevelop vs vlc

**rom71** · 27/03/2009, 08h53

Bonjour,

Je cherche à développer une petite application permettant de visualiser un flux vidéo. J'ai trouvé un code sur internet qui donne ceci :

/*********tuto_vlc.cpp**********/

Code :

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#include <iostream>
#include <qapplication.h>
#include <qtextedit.h>
 
#include <vlc/libvlc.h> //pour utiliser les fonction haut-niveu de VLC
 
class player : public QWidget
{
    Q_OBJECT
    QFrame *Webcam;
    //variables propres a VLC
    libvlc_exception_t _vlcexcep;
    libvlc_instance_t *_vlcinstance;
 
public:
    player();
    ~player();
 
public slots:
    void playFile(QString file);
};
 
player::player() : QWidget(0)
{
    //mise en place des widgets
    Webcam = new QFrame(this);
    Webcam->resize(500,400);// dimensionne l'image.
 
    //et maintenant on peut initialiser le backend VLC
    char *optionDeVlc[] = {(char*)""};
    _vlcinstance = libvlc_new(1,optionDeVlc,&_vlcexcep);  //param1=argc,param2=otionDeVlc=argv mais ici on n'en a pas besoin
 
    // on indique ici a vlc sur quel widget afficher sa video
    // VLC se chargera d'apdater la video a la taille du widget
    // et dans son infinie bonte, VLC se chargera aussi de resizer la video
    // si la taille du widget venait a changer pendant la lecture
    libvlc_video_set_parent(_vlcinstance ,Webcam->winId(),&_vlcexcep);
 
}
 
player::~player()
{
}
 
/***************************************/
 
void player::playFile(QString file)
{
    //l'api de VLC permet de gerer des playlist
    //ici on n'utilise pas ce mecanisme
   libvlc_playlist_add (_vlcinstance,file,NULL,&_vlcexcep);
    //a ce niveau, le fichier est pret a etre jouer, reste a demarrer la lecture
   libvlc_playlist_play(_vlcinstance,-1,0,NULL, &_vlcexcep); //-1 -> choisir le prochain item dans la playlist
}
 
/***************************************/
 
int main(int argc,char **argv)
{
    QApplication app(argc,argv);
    player p;
    p.resize(500,400);
 
    p.playFile("http://hamburgcam.axiscam.net:80/mjpg/video/mjpg");
 
    app.setMainWidget(&p);
    p.show();
    return app.exec();
}

#include "tuto_vlc.moc"

ce code nessecite egalement d'utilisé (je n'ai pas compris à quoi sert se point pro????)

/********* tuto_vlc.pro ********************/
SOURCES += tuto_vlc.cpp
LIBS += -lvlc

jusque la sa marche mais la ou je bloque c'est pour intégrer ceci a mon programme créé avec Kdevelop

/******* player.cpp *********/

Code :

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#include <iostream>
#include <qapplication.h>
#include <qtextedit.h>
#include <vlc/libvlc.h> 
#include "player.h"
 
player::player(QWidget* parent, const char* name, WFlags fl)
: Form1(parent,name,fl)
{
    char *optionDeVlc[] = {(char*)""};
    instance = libvlc_new(1,optionDeVlc,&excep);  
    libvlc_video_set_parent(instance ,Webcam->winId(),&excep);
}
 
player::~player()
{
}
 
/*$SPECIALIZATION$*/
void player::playFile(QString file)
{
   libvlc_playlist_add (instance,file,NULL,&excep);
   libvlc_playlist_play(instance,-1,0,NULL, &excep); //-1 -> choisir le prochain item dans la playlist
}
 
#include "player.moc"

/************** projet.h******************/

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#ifndef PLAYER_H
#define PLAYER_H
#include "Webcam.h"
 
class player : public Form1
{
  Q_OBJECT
    libvlc_exception_t excep;
    libvlc_instance_t *instance;
 
public:
  player(QWidget* parent = 0, const char* name = 0, WFlags fl = 0 );
  ~player();
  /*$PUBLIC_FUNCTIONS$*/
 
public slots:
  /*$PUBLIC_SLOTS$*/
void playFile(QString file);
};
 
#endif

Mais la j'ai les 3 erreurs suivante :

/home/rom/player/src/player.h:10: error: 'libvlc_exception_t' does not name a type
/home/rom/player/src/player.h:11: error: ISO C++ forbids declaration of 'libvlc_instance_t' with no type
/home/rom/player/src/player.h:11: error: expected ';' before '*' token

Quelqu'un a une idée pour corriger les erreurs ?

**yan** · 27/03/2009, 09h49

/home/rom/player/src/player.h:10: error: 'libvlc_exception_t' does not name a type

Il ne trouve pas ce qu'est libvlc_exception_t dans player.h.
Il ne te manque un include? Utilise tu un pointeur?
C'est ce .h qu'il aurais fallu montrer

**rom71** · 27/03/2009, 09h57

merci yan

voila le point h en question

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/*****************************************************************************
 * libvlc.h:  libvlc_* new external API
 *****************************************************************************
 * Copyright (C) 1998-2005 the VideoLAN team
 * $Id: vlc.h 13701 2005-12-12 17:58:56Z zorglub $
 *
 * Authors: Clément Stenac <zorglub@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.
 *****************************************************************************/
 
/**
 * \defgroup libvlc Libvlc
 * This is libvlc, the base library of the VLC program.
 *
 * @{
 */
 
 
#ifndef _LIBVLC_H
#define _LIBVLC_H 1
 
#include <vlc/vlc.h>
 
# ifdef __cplusplus
extern "C" {
# endif
 
/*****************************************************************************
 * Exception handling
 *****************************************************************************/
/** defgroup libvlc_exception Exceptions
 * \ingroup libvlc
 * LibVLC Exceptions handling
 * @{
 */
 
struct libvlc_exception_t
{
    int b_raised;
    char *psz_message;
};
typedef struct libvlc_exception_t libvlc_exception_t;
 
/**
 * Initialize an exception structure. This can be called several times to reuse
 * an exception structure.
 * \param p_exception the exception to initialize
 */
void libvlc_exception_init( libvlc_exception_t *p_exception );
 
/**
 * Has an exception been raised ?
 * \param p_exception the exception to query
 * \return 0 if no exception raised, 1 else
 */
int libvlc_exception_raised( libvlc_exception_t *p_exception );
 
/**
 * Raise an exception
 * \param p_exception the exception to raise
 * \param psz_message the exception message
 */
void libvlc_exception_raise( libvlc_exception_t *p_exception, char *psz_format, ... );
 
/**
 * Clear an exception object so it can be reused.
 * The exception object must be initialized
 * \param p_exception the exception to clear
 */
void libvlc_exception_clear( libvlc_exception_t * );
 
/**
 * Get exception message
 * \param p_exception the exception to query
 * \return the exception message or NULL if not applicable (exception not raised
 * for example)
 */
char* libvlc_exception_get_message( libvlc_exception_t *p_exception );
 
/**@} */
 
/*****************************************************************************
 * Core handling
 *****************************************************************************/
 
/** defgroup libvlc_core Core
 * \ingroup libvlc
 * LibVLC Core
 * @{
 */
 
/** This structure is opaque. It represents a libvlc instance */
typedef struct libvlc_instance_t libvlc_instance_t;
 
/**
 * Create an initialized libvlc instance
 * \param argc the number of arguments
 * \param argv command-line-type arguments
 * \param exception an initialized exception pointer
 */
libvlc_instance_t * libvlc_new( int , char **, libvlc_exception_t *);
 
/**
 * Returns 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
 */
int libvlc_get_vlc_id( libvlc_instance_t *p_instance );
 
/**
 * Destroy a libvlc instance
 * \param p_instance the instance to destroy
 */
void libvlc_destroy( libvlc_instance_t *);
 
/** @}*/
 
/*****************************************************************************
 * Playlist
 *****************************************************************************/
/** defgroup libvlc_playlist Playlist
 * \ingroup libvlc
 * LibVLC Playlist handling
 * @{
 */
 
/**
 * Start playing. You can give some additionnal playlist item options
 * that will be added to the item before playing it.
 * \param p_instance the instance
 * \param i_id the item to play. If this is a negative number, the next
 * item will be selected. Else, the item with the given ID will be played
 * \param i_options the number of options to add to the item
 * \param ppsz_options the options to add to the item
 * \param p_exception an initialized exception
 */
void libvlc_playlist_play( libvlc_instance_t*, int, int, char **,
                           libvlc_exception_t * );
 
/**
 * Pause a running playlist, resume if it was stopped
 * \param p_instance the instance to pause
 * \param p_exception an initialized exception
 */
void libvlc_playlist_pause( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Checks if the playlist is running
 * \param p_instance the instance
 * \param p_exception an initialized exception
 * \return 0 if the playlist is stopped or paused, 1 if it is running
 */
int libvlc_playlist_isplaying( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Get the number of items in the playlist
 * \param p_instance the instance
 * \param p_exception an initialized exception
 * \return the number of items
 */
int libvlc_playlist_items_count( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Stop playing
 * \param p_instance the instance to stop
 * \param p_exception an initialized exception
 */
void libvlc_playlist_stop( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Go to next playlist item (starts playback if it was stopped)
 * \param p_instance the instance to use
 * \param p_exception an initialized exception
 */
void libvlc_playlist_next( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Go to previous playlist item (starts playback if it was stopped)
 * \param p_instance the instance to use
 * \param p_exception an initialized exception
 */
void libvlc_playlist_prev( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Remove all playlist items
 * \param p_instance the instance
 * \param p_exception an initialized exception
 */
void libvlc_playlist_clear( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Add an item at the end of the playlist
 * If you need more advanced options, \see libvlc_playlist_add_extended
 * \param p_instance the instance
 * \param psz_uri the URI to open, using VLC format
 * \param psz_name a name that you might want to give or NULL
 * \return the identifier of the new item
 */
int libvlc_playlist_add( libvlc_instance_t *, const char *, const char *,
                         libvlc_exception_t * );
 
/**
 * Add an item at the end of the playlist, with additional input options
 * \param p_instance the instance
 * \param psz_uri the URI to open, using VLC format
 * \param psz_name a name that you might want to give or NULL
 * \param i_options the number of options to add
 * \param ppsz_options strings representing the options to add
 * \param p_exception an initialized exception
 * \return the identifier of the new item
 */
int libvlc_playlist_add_extended( libvlc_instance_t *, const char *,
                                  const char *, int, const char **,
                                  libvlc_exception_t * );
 
/** 
 * Delete the playlist item with the given ID.
 * \param p_instance the instance
 * \param i_id the id to remove
 * \param p_exception an initialized exception
 * \return
 */
int libvlc_playlist_delete_item( libvlc_instance_t *, int,
                                 libvlc_exception_t * );
 
typedef struct libvlc_input_t libvlc_input_t;
 
/* Get the input that is currently being played by the playlist
 * \param p_instance the instance to use
 * \param p_exception an initialized excecption
 * \return an input object
 */
libvlc_input_t *libvlc_playlist_get_input( libvlc_instance_t *,
                                           libvlc_exception_t * );
 
/** @}*/
 
/*****************************************************************************
 * Input
 *****************************************************************************/
/** defgroup libvlc_input Input
 * \ingroup libvlc
 * LibVLC Input handling
 * @{
 */
 
/** Free an input object
 * \param p_input the input to free
 */
void libvlc_input_free( libvlc_input_t * );
 
/// \bug This might go away ... to be replaced by a broader system
vlc_int64_t libvlc_input_get_length     ( libvlc_input_t *, libvlc_exception_t *);
vlc_int64_t libvlc_input_get_time       ( libvlc_input_t *, libvlc_exception_t *);
void        libvlc_input_set_time       ( libvlc_input_t *, vlc_int64_t, libvlc_exception_t *);
float       libvlc_input_get_position   ( libvlc_input_t *, libvlc_exception_t *);
void        libvlc_input_set_position   ( libvlc_input_t *, float, libvlc_exception_t *);
vlc_bool_t  libvlc_input_will_play      ( libvlc_input_t *, libvlc_exception_t *);
float       libvlc_input_get_rate       ( libvlc_input_t *, libvlc_exception_t *);
void        libvlc_input_set_rate       ( libvlc_input_t *, float, libvlc_exception_t *);
int         libvlc_input_get_state      ( libvlc_input_t *, libvlc_exception_t *);
 
/** @} */
 
/** defgroup libvlc_video Video
 * \ingroup libvlc
 * LibVLC Video handling
 * @{
 */
 
/**
 * Does this input have a video output ?
 * \param p_input the input
 * \param p_exception an initialized exception
 */
vlc_bool_t  libvlc_input_has_vout       ( libvlc_input_t *, libvlc_exception_t *);
float       libvlc_input_get_fps        ( libvlc_input_t *, libvlc_exception_t *);
 
/**
 * Toggle fullscreen status on video output
 * \param p_input the input
 * \param p_exception an initialized exception
 */
void libvlc_toggle_fullscreen( libvlc_input_t *, libvlc_exception_t * );
 
/**
 * Enable or disable fullscreen on a video output
 * \param p_input the input
 * \param b_fullscreen boolean for fullscreen status
 * \param p_exception an initialized exception
 */
void libvlc_set_fullscreen( libvlc_input_t *, int, libvlc_exception_t * );
 
/**
 * Get current fullscreen status
 * \param p_input the input
 * \param p_exception an initialized exception
 * \return the fullscreen status (boolean)
 */
int libvlc_get_fullscreen( libvlc_input_t *, libvlc_exception_t * );
 
/**
 * Get current video height
 * \param p_input the input
 * \param p_exception an initialized exception
 * \return the video height
 */
int libvlc_video_get_height( libvlc_input_t *, libvlc_exception_t * );
 
/**
 * Get current video width
 * \param p_input the input
 * \param p_exception an initialized exception
 * \return the video width
 */
int libvlc_video_get_width( libvlc_input_t *, libvlc_exception_t * );
 
/**
 * Get current video aspect ratio
 * \param p_input the input
 * \param p_exception an initialized exception
 * \return the video aspect ratio
 */
char *libvlc_video_get_aspect_ratio( libvlc_input_t *, libvlc_exception_t * );
 
/**
 * Set new video aspect ratio
 * \param p_input the input
 * \param psz_aspect new video aspect-ratio
 * \param p_exception an initialized exception
 */
void libvlc_video_set_aspect_ratio( libvlc_input_t *, char *, libvlc_exception_t * );
 
/**
 * Take a snapshot of the current video window
 * \param p_input the input
 * \param psz_filepath the path where to save the screenshot to
 * \param p_exception an initialized exception
 */
void libvlc_video_take_snapshot( libvlc_input_t *, char *, libvlc_exception_t * );
 
int libvlc_video_destroy( libvlc_input_t *, libvlc_exception_t *);
 
/**
 * Resize the 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_exception an initialized exception
 * \return the mute status (boolean)
 */
void libvlc_video_resize( libvlc_input_t *, int, int, libvlc_exception_t *);
 
/**
* Downcast to this general type as placeholder for a platform specific one, such as:
*  Drawable on X11,
*  CGrafPort on MacOSX,
*  HWND on win32
*/
typedef int libvlc_drawable_t;
 
/**
 * Get current mute status
 * \param p_instance libvlc instance
 * \param drawable the new parent window (Drawable on X11, CGrafPort on MacOSX, HWND on Win32)
 * \param p_exception an initialized exception
 * \return the mute status (boolean)
 */
int libvlc_video_reparent( libvlc_input_t *, libvlc_drawable_t, libvlc_exception_t * );
 
/**
 * Embedding support: Set/change the default parent drawable for video outputs
 * \param p_instance libvlc instance
 * \param drawable the new parent window (Drawable on X11, CGrafPort on MacOSX, HWND on Win32)
 * \param p_exception an initialized exception
 */
void libvlc_video_set_parent( libvlc_instance_t *, libvlc_drawable_t, libvlc_exception_t * );
 
/**
 * Embedding support: Set/change the default size for video outputs
 * \param p_instance libvlc instance
 * \param width new width for video drawable
 * \param height new height for video drawable
 * \param p_exception an initialized exception
 */
void libvlc_video_set_size( libvlc_instance_t *, int, int, libvlc_exception_t * );
 
/**
* Embedding support: rectangle for viewport
*/
typedef struct
{
    int top, left;
    int bottom, right;
}
libvlc_rectangle_t;
 
/**
 * Embedding support: Set the video output viewport for a windowless video output (MacOS X only)
 * \param p_instance libvlc instance
 * \param view coordinates within video drawable
 * \param clip coordinates within video drawable
 * \param p_exception an initialized exception
 */
void libvlc_video_set_viewport( libvlc_instance_t *, const libvlc_rectangle_t *, const libvlc_rectangle_t *, libvlc_exception_t * );
 
 
/** @} */
 
/**
 * defgroup libvlc_vlm VLM
 * \ingroup libvlc
 * LibVLC VLM handling
 * @{
 */
 
/** defgroup libvlc_audio Audio
 * \ingroup libvlc
 * LibVLC Audio handling
 * @{
 */
 
/**
 * Toggle mute status
 * \param p_instance libvlc instance
 * \param p_exception an initialized exception
 * \return void
 */
void libvlc_audio_toggle_mute( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Get current mute status
 * \param p_instance libvlc instance
 * \param p_exception an initialized exception
 * \return the mute status (boolean)
 */
vlc_bool_t libvlc_audio_get_mute( libvlc_instance_t *, libvlc_exception_t * );
 
/**
 * Set mute status
 * \param p_instance libvlc instance
 * \param status If status is VLC_TRUE then mute, otherwise unmute
 * \param p_exception an initialized exception
 * \return void
 */
void libvlc_audio_set_mute( libvlc_instance_t *, vlc_bool_t , libvlc_exception_t * );
 
/**
 * Get current audio level
 * \param p_instance libvlc instance
 * \param p_exception an initialized exception
 * \return the audio level (int)
 */
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_exception an initialized exception
 * \return void
 */
void libvlc_audio_set_volume( libvlc_instance_t *, int , libvlc_exception_t *);
 
/** @} */
 
 
/**
 * Add a broadcast, with one input
 * \param p_instance the instance
 * \param psz_name the name of the new broadcast
 * \param psz_input the input MRL
 * \param psz_output the output MRL (the parameter to the "sout" variable)
 * \param i_options number of additional options
 * \param ppsz_options additional options
 * \param b_enabled boolean for enabling the new broadcast
 * \param b_loop Should this broadcast be played in loop ?
 * \param p_exception an initialized exception
 */
void libvlc_vlm_add_broadcast( libvlc_instance_t *, char *, char *, char* ,
                               int, char **, int, int, libvlc_exception_t * );
 
/**
 * Delete a media (vod or broadcast)
 * \param p_instance the instance
 * \param psz_name the media to delete
 * \param p_exception an initialized exception
 */
void libvlc_vlm_del_media( libvlc_instance_t *, char *, libvlc_exception_t * );
 
/**
 * Enable or disable a media (vod or broadcast)
 * \param p_instance the instance
 * \param psz_name the media to work on
 * \param b_enabled the new status
 * \param p_exception an initialized exception
 */
void libvlc_vlm_set_enabled( libvlc_instance_t *, char *, int,
                             libvlc_exception_t *);
 
/**
 * Set the output for a media
 * \param p_instance the instance
 * \param psz_name the media to work on
 * \param psz_output the output MRL (the parameter to the "sout" variable)
 * \param p_exception an initialized exception
 */
void libvlc_vlm_set_output( libvlc_instance_t *, char *, char*,
                            libvlc_exception_t *);
 
/**
 * Set a media's input MRL. This will delete all existing inputs and
 * add the specified one.
 * \param p_instance the instance
 * \param psz_name the media to work on
 * \param psz_input the input MRL
 * \param p_exception an initialized exception
 */
void libvlc_vlm_set_input( libvlc_instance_t *, char *, char*,
                           libvlc_exception_t *);
 
/**
 * Set output for a media
 * \param p_instance the instance
 * \param psz_name the media to work on
 * \param b_loop the new status
 * \param p_exception an initialized exception
 */
void libvlc_vlm_set_loop( libvlc_instance_t *, char *, int,
                          libvlc_exception_t *);
 
/**
 * Edit the parameters of a media. This will delete all existing inputs and
 * add the specified one.
 * \param p_instance the instance
 * \param psz_name the name of the new broadcast
 * \param psz_input the input MRL
 * \param psz_output the output MRL (the parameter to the "sout" variable)
 * \param i_options number of additional options
 * \param ppsz_options additional options
 * \param b_enabled boolean for enabling the new broadcast
 * \param b_loop Should this broadcast be played in loop ?
 * \param p_exception an initialized exception
 */
void libvlc_vlm_change_media( libvlc_instance_t *, char *, char *, char* ,
                              int, char **, int, int, libvlc_exception_t * );
 
/**
 * Plays the named broadcast.
 * \param p_instance the instance
 * \param psz_name the name of the broadcast
 * \param p_exception an initialized exception
 */
void libvlc_vlm_play_media ( libvlc_instance_t *, char *, libvlc_exception_t * );
 
/**
 * Stops the named broadcast.
 * \param p_instance the instance
 * \param psz_name the name of the broadcast
 * \param p_exception an initialized exception
 */
void libvlc_vlm_stop_media ( libvlc_instance_t *, char *, libvlc_exception_t * );
 
/**
 * Pauses the named broadcast.
 * \param p_instance the instance
 * \param psz_name the name of the broadcast
 * \param p_exception an initialized exception
 */
void libvlc_vlm_pause_media( libvlc_instance_t *, char *, libvlc_exception_t * );
 
/** @} */
/** @} */
 
/*****************************************************************************
 * Message log handling
 *****************************************************************************/
 
/** defgroup libvlc_log Log
 * \ingroup libvlc
 * LibVLC Message Logging
 * @{
 */
 
/** This structure is opaque. It represents a libvlc log instance */
typedef struct libvlc_log_t libvlc_log_t;
 
/** This structure is opaque. It represents a libvlc log iterator */
typedef struct libvlc_log_iterator_t libvlc_log_iterator_t;
 
typedef struct libvlc_log_message_t
{
    unsigned    sizeof_msg;   /* sizeof() of message structure, must be filled in by user */
    int         i_severity;   /* 0=INFO, 1=ERR, 2=WARN, 3=DBG */
    const char *psz_type;     /* module type */
    const char *psz_name;     /* module name */
    const char *psz_header;   /* optional header */
    const char *psz_message;  /* message */
} libvlc_log_message_t;
 
/**
 * Returns the VLC messaging verbosity level
 * \param p_instance libvlc instance
 * \param exception an initialized exception pointer
 */
unsigned libvlc_get_log_verbosity( const libvlc_instance_t *p_instance, libvlc_exception_t *p_e );
 
/**
 * Set the VLC messaging verbosity level
 * \param p_log libvlc log instance
 * \param exception an initialized exception pointer
 */
void libvlc_set_log_verbosity( libvlc_instance_t *p_instance, unsigned level, libvlc_exception_t *p_e );
 
/**
 * Open an instance to VLC message log 
 * \param p_instance libvlc instance
 * \param exception an initialized exception pointer
 */
libvlc_log_t *libvlc_log_open( const libvlc_instance_t *, libvlc_exception_t *);
 
/**
 * Close an instance of VLC message log 
 * \param p_log libvlc log instance
 * \param exception an initialized exception pointer
 */
void libvlc_log_close( libvlc_log_t *, libvlc_exception_t *);
 
/**
 * Returns the number of messages in log
 * \param p_log libvlc log instance
 * \param exception an initialized exception pointer
 */
unsigned libvlc_log_count( const libvlc_log_t *, libvlc_exception_t *);
 
/**
 * Clear all messages in log
 *  the log should be cleared on a regular basis to avoid clogging
 * \param p_log libvlc log instance
 * \param exception an initialized exception pointer
 */
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 exception an initialized exception pointer
 */
libvlc_log_iterator_t *libvlc_log_get_iterator( const libvlc_log_t *, libvlc_exception_t *);
 
/**
 * Releases a previoulsy allocated iterator
 * \param p_log libvlc log iterator 
 * \param exception an initialized exception pointer
 */
void libvlc_log_iterator_free( libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e );
 
/**
 * Returns whether log iterator has more messages 
 * \param p_log libvlc log iterator
 * \param exception an initialized exception pointer
 */
int libvlc_log_iterator_has_next( const libvlc_log_iterator_t *p_iter, libvlc_exception_t *p_e );
 
/**
 * Returns next log message
 *   the content of message must not be freed
 * \param p_log libvlc log iterator
 * \param exception an initialized exception pointer
 */
libvlc_log_message_t *libvlc_log_iterator_next( libvlc_log_iterator_t *p_iter,
                                                struct libvlc_log_message_t *buffer,
                                                libvlc_exception_t *p_e );
 
/** @} */
 
# ifdef __cplusplus
}
# endif
 
#endif /* <vlc/libvlc.h> */

**estofilo** · 27/03/2009, 17h18

la ligne
#include <vlc/libvlc.h>
doit être dans le fichier player.h puisque la déclaration de ta classe player en a besoin.

**rom71** · 27/03/2009, 17h37

En effet je me suis trompé sur l'endroit ou j'ai placé l'include.

Mais il me retourne d'autre erreurs :

player.o: In function `player::playFile(QString)':
/home/romain/player/src/player.cpp:30: undefined reference to `libvlc_playlist_add'
/home/romain/player/src/player.cpp:32: undefined reference to `libvlc_playlist_play'
player.o: In function `player':
/home/romain/player/src/player.cpp:12: undefined reference to `libvlc_new'
/home/romain/player/src/player.cpp:18: undefined reference to `libvlc_video_set_parent'
/home/romain/player/src/player.cpp:12: undefined reference to `libvlc_new'
/home/romain/player/src/player.cpp:18: undefined reference to `libvlc_video_set_parent'

**estofilo** · 27/03/2009, 17h48

Ces erreurs veulent dire que la librairie vlc manque à l'édition de liens.
Avec Qt si on utilise qmake c'est à ajouter dans la ligne LIBS du fichier projet (le .pro)
Qqch du genre

Code :

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1
2
 
LIBS += -lvlc

**rom71** · 27/03/2009, 22h44

Oui je me doutais que l'équivalent du fichier /* tuto_vlc.pro */ était nècessaire mais je ne sais pas quel fichier de mon projet je dois modifier

/********* tuto_vlc.pro ********************/
SOURCES += tuto_vlc.cpp
LIBS += -lvlc

kdevelop vs vlc

Qt

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