Add const to char * in vlm

Signed-off-by: Antoine Cellerier <dionoea@videolan.org>

include/vlc/libvlc_vlm.h

@@ -65,8 +65,12 @@ VLC_PUBLIC_API void libvlc_vlm_release( libvlc_instance_t *, libvlc_exception_t
  * \param b_loop Should this broadcast be played in loop ?
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_add_broadcast( libvlc_instance_t *, char *, char *, char* ,
-                                              int, char **, int, int, libvlc_exception_t * );
+VLC_PUBLIC_API void libvlc_vlm_add_broadcast( libvlc_instance_t *,
+                                              const char *, const char *,
+                                              const char * , int,
+                                              const char * const*,
+                                              int, int,
+                                              libvlc_exception_t * );
 
 /**
  * Add a vod, with one input.
@@ -80,8 +84,11 @@ VLC_PUBLIC_API void libvlc_vlm_add_broadcast( libvlc_instance_t *, char *, char
  * \param psz_mux the muxer of the vod media
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_add_vod( libvlc_instance_t *, char *, char *, int, char **,
-                                        int, char *, libvlc_exception_t * );
+VLC_PUBLIC_API void libvlc_vlm_add_vod( libvlc_instance_t *,
+                                        const char *, const char *,
+                                        int, const char * const*,
+                                        int, const char *,
+                                        libvlc_exception_t * );
 
 /**
  * Delete a media (VOD or broadcast).
@@ -90,7 +97,9 @@ VLC_PUBLIC_API void libvlc_vlm_add_vod( libvlc_instance_t *, char *, char *, int
  * \param psz_name the media to delete
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_del_media( libvlc_instance_t *, char *, libvlc_exception_t * );
+VLC_PUBLIC_API void libvlc_vlm_del_media( libvlc_instance_t *,
+                                          const char *,
+                                          libvlc_exception_t * );
 
 /**
  * Enable or disable a media (VOD or broadcast).
@@ -100,8 +109,8 @@ VLC_PUBLIC_API void libvlc_vlm_del_media( libvlc_instance_t *, char *, libvlc_ex
  * \param b_enabled the new status
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_set_enabled( libvlc_instance_t *, char *, int,
-                                            libvlc_exception_t *);
+VLC_PUBLIC_API void libvlc_vlm_set_enabled( libvlc_instance_t *, const char *,
+                                            int, libvlc_exception_t * );
 
 /**
  * Set the output for a media.
@@ -111,8 +120,9 @@ VLC_PUBLIC_API void libvlc_vlm_set_enabled( libvlc_instance_t *, char *, int,
  * \param psz_output the output MRL (the parameter to the "sout" variable)
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_set_output( libvlc_instance_t *, char *, char*,
-                                           libvlc_exception_t *);
+VLC_PUBLIC_API void libvlc_vlm_set_output( libvlc_instance_t *, const char *,
+                                           const char *,
+                                           libvlc_exception_t * );
 
 /**
  * Set a media's input MRL. This will delete all existing inputs and
@@ -123,8 +133,9 @@ VLC_PUBLIC_API void libvlc_vlm_set_output( libvlc_instance_t *, char *, char*,
  * \param psz_input the input MRL
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_set_input( libvlc_instance_t *, char *, char*,
-                                          libvlc_exception_t *);
+VLC_PUBLIC_API void libvlc_vlm_set_input( libvlc_instance_t *, const char *,
+                                          const char *,
+                                          libvlc_exception_t * );
 
 /**
  * Add a media's input MRL. This will add the specified one.
@@ -134,8 +145,9 @@ VLC_PUBLIC_API void libvlc_vlm_set_input( libvlc_instance_t *, char *, char*,
  * \param psz_input the input MRL
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_add_input( libvlc_instance_t *, char *, char *,
-                                          libvlc_exception_t *p_exception );
+VLC_PUBLIC_API void libvlc_vlm_add_input( libvlc_instance_t *, const char *,
+                                          const char *,
+                                          libvlc_exception_t * );
 /**
  * Set a media's loop status.
  *
@@ -144,8 +156,8 @@ VLC_PUBLIC_API void libvlc_vlm_add_input( libvlc_instance_t *, char *, char *,
  * \param b_loop the new status
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_set_loop( libvlc_instance_t *, char *, int,
-                                         libvlc_exception_t *);
+VLC_PUBLIC_API void libvlc_vlm_set_loop( libvlc_instance_t *, const char *,
+                                         int, libvlc_exception_t * );
 
 /**
  * Set a media's vod muxer.
@@ -155,8 +167,8 @@ VLC_PUBLIC_API void libvlc_vlm_set_loop( libvlc_instance_t *, char *, int,
  * \param psz_mux the new muxer
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_set_mux( libvlc_instance_t *p_instance, char *psz_name,
-                                        char *psz_mux, libvlc_exception_t *p_exception );
+VLC_PUBLIC_API void libvlc_vlm_set_mux( libvlc_instance_t *, const char *,
+                                        const char *, libvlc_exception_t * );
 
 /**
  * Edit the parameters of a media. This will delete all existing inputs and
@@ -172,8 +184,11 @@ VLC_PUBLIC_API void libvlc_vlm_set_mux( libvlc_instance_t *p_instance, char *psz
  * \param b_loop Should this broadcast be played in loop ?
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_change_media( libvlc_instance_t *, char *, char *, char* ,
-                                             int, char **, int, int, libvlc_exception_t * );
+VLC_PUBLIC_API void libvlc_vlm_change_media( libvlc_instance_t *,
+                                             const char *, const char *,
+                                             const char* , int,
+                                             const char * const *, int, int,
+                                             libvlc_exception_t * );
 
 /**
  * Play the named broadcast.
@@ -182,7 +197,8 @@ VLC_PUBLIC_API void libvlc_vlm_change_media( libvlc_instance_t *, char *, char *
  * \param psz_name the name of the broadcast
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_play_media ( libvlc_instance_t *, char *, libvlc_exception_t * );
+VLC_PUBLIC_API void libvlc_vlm_play_media ( libvlc_instance_t *, const char *,
+                                            libvlc_exception_t * );
 
 /**
  * Stop the named broadcast.
@@ -191,7 +207,8 @@ VLC_PUBLIC_API void libvlc_vlm_play_media ( libvlc_instance_t *, char *, libvlc_
  * \param psz_name the name of the broadcast
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_stop_media ( libvlc_instance_t *, char *, libvlc_exception_t * );
+VLC_PUBLIC_API void libvlc_vlm_stop_media ( libvlc_instance_t *, const char *,
+                                            libvlc_exception_t * );
 
 /**
  * Pause the named broadcast.
@@ -200,7 +217,8 @@ VLC_PUBLIC_API void libvlc_vlm_stop_media ( libvlc_instance_t *, char *, libvlc_
  * \param psz_name the name of the broadcast
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_pause_media( libvlc_instance_t *, char *, libvlc_exception_t * );
+VLC_PUBLIC_API void libvlc_vlm_pause_media( libvlc_instance_t *, const char *,
+                                            libvlc_exception_t * );
 
 /**
  * Seek in the named broadcast.
@@ -210,7 +228,7 @@ VLC_PUBLIC_API void libvlc_vlm_pause_media( libvlc_instance_t *, char *, libvlc_
  * \param f_percentage the percentage to seek to
  * \param p_e an initialized exception pointer
  */
-VLC_PUBLIC_API void libvlc_vlm_seek_media( libvlc_instance_t *, char *,
+VLC_PUBLIC_API void libvlc_vlm_seek_media( libvlc_instance_t *, const char *,
                                            float, libvlc_exception_t * );
 
 /**
@@ -221,7 +239,8 @@ VLC_PUBLIC_API void libvlc_vlm_seek_media( libvlc_instance_t *, char *,
  * \param p_e an initialized exception pointer
  * \return string with information about named media
  */
-VLC_PUBLIC_API char* libvlc_vlm_show_media( libvlc_instance_t *, char *, libvlc_exception_t * );
+VLC_PUBLIC_API char* libvlc_vlm_show_media( libvlc_instance_t *, const char *,
+                                            libvlc_exception_t * );
 
 /**
  * Get vlm_media instance position by name or instance id
@@ -232,8 +251,9 @@ VLC_PUBLIC_API char* libvlc_vlm_show_media( libvlc_instance_t *, char *, libvlc_
  * \param p_e an initialized exception pointer
  * \return position as float
  */
-VLC_PUBLIC_API float libvlc_vlm_get_media_instance_position( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_e );
+VLC_PUBLIC_API float libvlc_vlm_get_media_instance_position( libvlc_instance_t *,
+                                                             const char *, int,
+                                                             libvlc_exception_t * );
 
 /**
  * Get vlm_media instance time by name or instance id
@@ -244,8 +264,9 @@ VLC_PUBLIC_API float libvlc_vlm_get_media_instance_position( libvlc_instance_t *
  * \param p_e an initialized exception pointer
  * \return time as integer
  */
-VLC_PUBLIC_API int libvlc_vlm_get_media_instance_time( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_e );
+VLC_PUBLIC_API int libvlc_vlm_get_media_instance_time( libvlc_instance_t *,
+                                                       const char *, int,
+                                                       libvlc_exception_t * );
 
 /**
  * Get vlm_media instance length by name or instance id
@@ -256,8 +277,9 @@ VLC_PUBLIC_API int libvlc_vlm_get_media_instance_time( libvlc_instance_t *p_inst
  * \param p_e an initialized exception pointer
  * \return length of media item
  */
-VLC_PUBLIC_API int libvlc_vlm_get_media_instance_length( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_e );
+VLC_PUBLIC_API int libvlc_vlm_get_media_instance_length( libvlc_instance_t *,
+                                                         const char *, int ,
+                                                         libvlc_exception_t * );
 
 /**
  * Get vlm_media instance playback rate by name or instance id
@@ -268,8 +290,9 @@ VLC_PUBLIC_API int libvlc_vlm_get_media_instance_length( libvlc_instance_t *p_in
  * \param p_e an initialized exception pointer
  * \return playback rate
  */
-VLC_PUBLIC_API int libvlc_vlm_get_media_instance_rate( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_e );
+VLC_PUBLIC_API int libvlc_vlm_get_media_instance_rate( libvlc_instance_t *,
+                                                       const char *, int,
+                                                       libvlc_exception_t * );
 
 /**
  * Get vlm_media instance title number by name or instance id
@@ -280,8 +303,9 @@ VLC_PUBLIC_API int libvlc_vlm_get_media_instance_rate( libvlc_instance_t *p_inst
  * \param p_e an initialized exception pointer
  * \return title as number
  */
-VLC_PUBLIC_API int libvlc_vlm_get_media_instance_title( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_e );
+VLC_PUBLIC_API int libvlc_vlm_get_media_instance_title( libvlc_instance_t *,
+                                                        const char *, int,
+                                                        libvlc_exception_t * );
 
 /**
  * Get vlm_media instance chapter number by name or instance id
@@ -292,8 +316,9 @@ VLC_PUBLIC_API int libvlc_vlm_get_media_instance_title( libvlc_instance_t *p_ins
  * \param p_e an initialized exception pointer
  * \return chapter as number
  */
-VLC_PUBLIC_API int libvlc_vlm_get_media_instance_chapter( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_e );
+VLC_PUBLIC_API int libvlc_vlm_get_media_instance_chapter( libvlc_instance_t *,
+                                                          const char *, int,
+                                                          libvlc_exception_t * );
 
 /**
  * Is libvlc instance seekable ?
@@ -304,8 +329,9 @@ VLC_PUBLIC_API int libvlc_vlm_get_media_instance_chapter( libvlc_instance_t *p_i
  * \param p_e an initialized exception pointer
  * \return 1 if seekable, 0 if not
  */
-VLC_PUBLIC_API int libvlc_vlm_get_media_instance_seekable( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_e );
+VLC_PUBLIC_API int libvlc_vlm_get_media_instance_seekable( libvlc_instance_t *,
+                                                           const char *, int,
+                                                           libvlc_exception_t * );
 
 /** @} */
 

src/control/vlm.c

@@ -98,7 +98,8 @@ char* libvlc_vlm_show_media( libvlc_instance_t *p_instance, char *psz_name,
 }
 #else
 
-char* libvlc_vlm_show_media( libvlc_instance_t *p_instance, char *psz_name,
+char* libvlc_vlm_show_media( libvlc_instance_t *p_instance,
+                             const char *psz_name,
                              libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
@@ -140,7 +141,8 @@ static int libvlc_vlm_init( libvlc_instance_t *p_instance,
 #define VLM(p) VLM_RET(p,)
 
 static vlm_media_instance_t *libvlc_vlm_get_media_instance( libvlc_instance_t *p_instance,
-                                                            char *psz_name, int i_minstance_idx,
+                                                            const char *psz_name,
+                                                            int i_minstance_idx,
                                                             libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
@@ -189,9 +191,11 @@ void libvlc_vlm_release( libvlc_instance_t *p_instance, libvlc_exception_t *p_ex
 #endif
 }
 
-void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance, char *psz_name,
-                               char *psz_input, char *psz_output,
-                               int i_options, char **ppsz_options,
+void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance,
+                               const char *psz_name,
+                               const char *psz_input,
+                               const char *psz_output, int i_options,
+                               const char * const *ppsz_options,
                                int b_enabled, int b_loop,
                                libvlc_exception_t *p_exception )
 {
@@ -224,10 +228,10 @@ void libvlc_vlm_add_broadcast( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_add_vod( libvlc_instance_t *p_instance, char *psz_name,
-                         char *psz_input, int i_options,
-                         char **ppsz_options, int b_enabled,
-                         char *psz_mux, libvlc_exception_t *p_exception )
+void libvlc_vlm_add_vod( libvlc_instance_t *p_instance, const char *psz_name,
+                         const char *psz_input, int i_options,
+                         const char * const *ppsz_options, int b_enabled,
+                         const char *psz_mux, libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     vlm_t *p_vlm;
@@ -256,7 +260,7 @@ void libvlc_vlm_add_vod( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_del_media( libvlc_instance_t *p_instance, char *psz_name,
+void libvlc_vlm_del_media( libvlc_instance_t *p_instance, const char *psz_name,
                            libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
@@ -300,8 +304,9 @@ void libvlc_vlm_del_media( libvlc_instance_t *p_instance, char *psz_name,
     libvlc_exception_raise( p_exception, psz_error, psz_name );\
   } while(0)
 
-void libvlc_vlm_set_enabled( libvlc_instance_t *p_instance, char *psz_name,
-                             int b_enabled, libvlc_exception_t *p_exception )
+void libvlc_vlm_set_enabled( libvlc_instance_t *p_instance,
+                             const char *psz_name, int b_enabled,
+                             libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
 #define VLM_CHANGE_CODE { p_media->b_enabled = b_enabled; }
@@ -313,7 +318,7 @@ void libvlc_vlm_set_enabled( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_set_loop( libvlc_instance_t *p_instance, char *psz_name,
+void libvlc_vlm_set_loop( libvlc_instance_t *p_instance, const char *psz_name,
                           int b_loop, libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
@@ -326,8 +331,8 @@ void libvlc_vlm_set_loop( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_set_mux( libvlc_instance_t *p_instance, char *psz_name,
-                         char *psz_mux, libvlc_exception_t *p_exception )
+void libvlc_vlm_set_mux( libvlc_instance_t *p_instance, const char *psz_name,
+                         const char *psz_mux, libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
 #define VLM_CHANGE_CODE { if( p_media->b_vod ) { \
@@ -342,8 +347,9 @@ void libvlc_vlm_set_mux( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_set_output( libvlc_instance_t *p_instance, char *psz_name,
-                            char *psz_output,  libvlc_exception_t *p_exception )
+void libvlc_vlm_set_output( libvlc_instance_t *p_instance,
+                            const char *psz_name, const char *psz_output,
+                            libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
 #define VLM_CHANGE_CODE { free( p_media->psz_output ); \
@@ -356,8 +362,9 @@ void libvlc_vlm_set_output( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_set_input( libvlc_instance_t *p_instance, char *psz_name,
-                           char *psz_input,  libvlc_exception_t *p_exception )
+void libvlc_vlm_set_input( libvlc_instance_t *p_instance,
+                           const char *psz_name, const char *psz_input,
+                           libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
 #define VLM_CHANGE_CODE { while( p_media->i_input > 0 ) \
@@ -371,8 +378,9 @@ void libvlc_vlm_set_input( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_add_input( libvlc_instance_t *p_instance, char *psz_name,
-                           char *psz_input,  libvlc_exception_t *p_exception )
+void libvlc_vlm_add_input( libvlc_instance_t *p_instance,
+                           const char *psz_name, const char *psz_input,
+                           libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
 #define VLM_CHANGE_CODE { TAB_APPEND( p_media->i_input, p_media->ppsz_input, strdup(psz_input) ); }
@@ -384,10 +392,11 @@ void libvlc_vlm_add_input( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_change_media( libvlc_instance_t *p_instance, char *psz_name,
-                              char *psz_input, char *psz_output, int i_options,
-                              char **ppsz_options, int b_enabled, int b_loop,
-                              libvlc_exception_t *p_exception )
+void libvlc_vlm_change_media( libvlc_instance_t *p_instance,
+                              const char *psz_name, const char *psz_input,
+                              const char *psz_output, int i_options,
+                              const char * const *ppsz_options, int b_enabled,
+                              int b_loop, libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
 #define VLM_CHANGE_CODE { int n;        \
@@ -412,7 +421,8 @@ void libvlc_vlm_change_media( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_play_media( libvlc_instance_t *p_instance, char *psz_name,
+void libvlc_vlm_play_media( libvlc_instance_t *p_instance,
+                            const char *psz_name,
                             libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
@@ -432,7 +442,8 @@ void libvlc_vlm_play_media( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_stop_media( libvlc_instance_t *p_instance, char *psz_name,
+void libvlc_vlm_stop_media( libvlc_instance_t *p_instance,
+                            const char *psz_name,
                             libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
@@ -452,8 +463,9 @@ void libvlc_vlm_stop_media( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_pause_media( libvlc_instance_t *p_instance, char *psz_name,
-                            libvlc_exception_t *p_exception )
+void libvlc_vlm_pause_media( libvlc_instance_t *p_instance,
+                             const char *psz_name,
+                             libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     vlm_t *p_vlm;
@@ -472,8 +484,9 @@ void libvlc_vlm_pause_media( libvlc_instance_t *p_instance, char *psz_name,
 #endif
 }
 
-void libvlc_vlm_seek_media( libvlc_instance_t *p_instance, char *psz_name,
-                            float f_percentage, libvlc_exception_t *p_exception )
+void libvlc_vlm_seek_media( libvlc_instance_t *p_instance,
+                            const char *psz_name, float f_percentage,
+                            libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     vlm_t *p_vlm;
@@ -493,7 +506,9 @@ void libvlc_vlm_seek_media( libvlc_instance_t *p_instance, char *psz_name,
 }
 
 float libvlc_vlm_get_media_instance_position( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_exception )
+                                              const char *psz_name,
+                                              int i_instance,
+                                              libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     float result = -1;
@@ -514,7 +529,8 @@ float libvlc_vlm_get_media_instance_position( libvlc_instance_t *p_instance,
 }
 
 int libvlc_vlm_get_media_instance_time( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_exception )
+                                        const char *psz_name, int i_instance,
+                                        libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     int result = -1;
@@ -535,7 +551,9 @@ int libvlc_vlm_get_media_instance_time( libvlc_instance_t *p_instance,
 }
 
 int libvlc_vlm_get_media_instance_length( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_exception )
+                                          const char *psz_name,
+                                          int i_instance,
+                                          libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     int result = -1;
@@ -556,7 +574,8 @@ int libvlc_vlm_get_media_instance_length( libvlc_instance_t *p_instance,
 }
 
 int libvlc_vlm_get_media_instance_rate( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_exception )
+                                        const char *psz_name, int i_instance,
+                                        libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     int result = -1;
@@ -577,7 +596,8 @@ int libvlc_vlm_get_media_instance_rate( libvlc_instance_t *p_instance,
 }
 
 int libvlc_vlm_get_media_instance_title( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_exception )
+                                         const char *psz_name, int i_instance,
+                                         libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     int result = 0;
@@ -597,7 +617,9 @@ int libvlc_vlm_get_media_instance_title( libvlc_instance_t *p_instance,
 }
 
 int libvlc_vlm_get_media_instance_chapter( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_exception )
+                                           const char *psz_name,
+                                           int i_instance,
+                                           libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     int result = 0;
@@ -617,7 +639,9 @@ int libvlc_vlm_get_media_instance_chapter( libvlc_instance_t *p_instance,
 }
 
 int libvlc_vlm_get_media_instance_seekable( libvlc_instance_t *p_instance,
-    char *psz_name, int i_instance, libvlc_exception_t *p_exception )
+                                            const char *psz_name,
+                                            int i_instance,
+                                            libvlc_exception_t *p_exception )
 {
 #ifdef ENABLE_VLM
     bool result = 0;