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libvlc: better title/chapter handling 

Signed-off-by: Pierre d'Herbemont <pdherbemont@videolan.org>
This commit is contained in:
Lukas Durfina 2008-10-04 22:00:52 +02:00 committed by Pierre d'Herbemont
parent d7fc7b2d48
commit e7e8927bd3
5 changed files with 201 additions and 12 deletions
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72
include/vlc/libvlc.h
View File

@ -268,7 +268,7 @@ VLC_PUBLIC_API void libvlc_media_add_option(
/**
* Retain a reference to a media descriptor object (libvlc_media_t). Use
* libvlc_media_release() to decrement the reference count of a
* libvlc_media_release() to decrement the reference count of a
* media descriptor object.
*
* \param p_meta_desc a media descriptor object.
@ -381,8 +381,8 @@ VLC_PUBLIC_API int
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
* 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
@ -395,8 +395,8 @@ VLC_PUBLIC_API void
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
* 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
@ -439,8 +439,8 @@ VLC_PUBLIC_API libvlc_media_player_t * libvlc_media_player_new_from_media( libvl
/**
* 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
* 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
@ -455,7 +455,7 @@ VLC_PUBLIC_API void libvlc_media_player_release( libvlc_media_player_t * );
*/
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.
*
@ -605,6 +605,60 @@ VLC_PUBLIC_API int libvlc_media_player_get_chapter( libvlc_media_player_t *, lib
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 title chapter count
*
* \param p_mi the Media Player
* \param i_title title
* \param p_e an initialized exception pointer
* \return number of chapters in title
*/
VLC_PUBLIC_API int libvlc_media_player_get_chapter_count_for_title(
libvlc_media_player_t *, int, libvlc_exception_t *);
/**
* Set movie title
*
* \param p_mi the Media Player
* \param i_title title number to play
* \param p_e an initialized exception pointer
*/
VLC_PUBLIC_API void libvlc_media_player_set_title( libvlc_media_player_t *, int, libvlc_exception_t *);
/**
* Get movie title
*
* \param p_mi the Media Player
* \param p_e an initialized exception pointer
* \return title number currently playing
*/
VLC_PUBLIC_API int libvlc_media_player_get_title( libvlc_media_player_t *, libvlc_exception_t *);
/**
* Get movie title count
*
* \param p_mi the Media Player
* \param p_e an initialized exception pointer
* \return title number count
*/
VLC_PUBLIC_API int libvlc_media_player_get_title_count( libvlc_media_player_t *, libvlc_exception_t *);
/**
* Set previous chapter
*
* \param p_mi the Media Player
* \param p_e an initialized exception pointer
*/
VLC_PUBLIC_API void libvlc_media_player_previous_chapter( libvlc_media_player_t *, libvlc_exception_t *);
/**
* Set next chapter
*
* \param p_mi the Media Player
* \param p_e an initialized exception pointer
*/
VLC_PUBLIC_API void libvlc_media_player_next_chapter( libvlc_media_player_t *, libvlc_exception_t *);
/**
* Get movie play rate
*
@ -1052,7 +1106,7 @@ VLC_PUBLIC_API void
/**
* Retain a reference to a media library object. This function will
* increment the reference counting for this object. Use
* increment the reference counting for this object. Use
* libvlc_media_library_release() to decrement the reference count.
*
* \param p_mlib media library object

8
include/vlc/libvlc_events.h
View File

@ -82,7 +82,9 @@ typedef enum libvlc_event_type_t {
libvlc_MediaListPlayerStopped,
libvlc_MediaDiscovererStarted,
libvlc_MediaDiscovererEnded
libvlc_MediaDiscovererEnded,
libvlc_MediaPlayerTitleChanged
} libvlc_event_type_t;
@ -135,6 +137,10 @@ typedef struct libvlc_event_t
libvlc_time_t new_time;
} media_player_time_changed;
struct
{
int new_title;
} media_player_title_changed;
struct
{
libvlc_time_t new_seekable;
} media_player_seekable_changed;

1
src/control/event.c
View File

@ -249,6 +249,7 @@ static const char event_type_to_name[][35] =
EVENT(libvlc_MediaPlayerBackward),
EVENT(libvlc_MediaPlayerEndReached),
EVENT(libvlc_MediaPlayerTimeChanged),
EVENT(libvlc_MediaPlayerTitleChanged),
EVENT(libvlc_MediaPlayerPositionChanged),
EVENT(libvlc_MediaPlayerSeekableChanged),
EVENT(libvlc_MediaPlayerPausableChanged),

126
src/control/media_player.c
View File

@ -370,6 +370,8 @@ libvlc_media_player_new( libvlc_instance_t * p_libvlc_instance,
libvlc_MediaPlayerPositionChanged, p_e );
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
libvlc_MediaPlayerTimeChanged, p_e );
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
libvlc_MediaPlayerTitleChanged, p_e );
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
libvlc_MediaPlayerSeekableChanged, p_e );
libvlc_event_manager_register_event_type( p_mi->p_event_manager,
@ -857,7 +859,7 @@ int libvlc_media_player_get_chapter(
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
if( !p_input_thread )
return -1.0;
return -1;
var_Get( p_input_thread, "chapter", &val );
vlc_object_release( p_input_thread );
@ -874,7 +876,7 @@ int libvlc_media_player_get_chapter_count(
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
if( !p_input_thread )
return -1.0;
return -1;
var_Change( p_input_thread, "chapter", VLC_VAR_CHOICESCOUNT, &val, NULL );
vlc_object_release( p_input_thread );
@ -882,6 +884,126 @@ int libvlc_media_player_get_chapter_count(
return val.i_int;
}
int libvlc_media_player_get_chapter_count_for_title(
libvlc_media_player_t *p_mi,
int i_title,
libvlc_exception_t *p_e )
{
input_thread_t *p_input_thread;
vlc_value_t val;
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
if( !p_input_thread )
return -1;
char *psz_name = NULL;
if( asprintf( psz_name, "title %2i", i_title ) == -1 )
{
vlc_object_release( p_input_thread );
return -1;
}
var_Change( p_input_thread, psz_name, VLC_VAR_CHOICESCOUNT, &val, NULL );
vlc_object_release( p_input_thread );
free( psz_name );
return val.i_int;
}
void libvlc_media_player_set_title(
libvlc_media_player_t *p_mi,
int i_title,
libvlc_exception_t *p_e )
{
input_thread_t *p_input_thread;
vlc_value_t val;
val.i_int = i_title;
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
if( !p_input_thread )
return;
var_Set( p_input_thread, "title", val );
vlc_object_release( p_input_thread );
//send event
libvlc_event_t event;
event.type = libvlc_MediaPlayerTitleChanged;
event.u.media_player_title_changed.new_title = i_title;
libvlc_event_send( p_mi->p_event_manager, &event );
}
int libvlc_media_player_get_title(
libvlc_media_player_t *p_mi,
libvlc_exception_t *p_e )
{
input_thread_t *p_input_thread;
vlc_value_t val;
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
if( !p_input_thread )
return -1;
var_Get( p_input_thread, "title", &val );
vlc_object_release( p_input_thread );
return val.i_int;
}
int libvlc_media_player_get_title_count(
libvlc_media_player_t *p_mi,
libvlc_exception_t *p_e )
{
input_thread_t *p_input_thread;
vlc_value_t val;
p_input_thread = libvlc_get_input_thread ( p_mi, p_e );
if( !p_input_thread )
return -1;
var_Change( p_input_thread, "title", VLC_VAR_CHOICESCOUNT, &val, NULL );
vlc_object_release( p_input_thread );
return val.i_int;
}
void libvlc_media_player_next_chapter(
libvlc_media_player_t *p_mi,
libvlc_exception_t *p_e )
{
input_thread_t *p_input_thread;
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
if( !p_input_thread )
return;
int i_type = var_Type( p_input_thread, "next-chapter" );
vlc_value_t val;
val.b_bool = true;
var_Set( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
"next-chapter":"next-title", val );
vlc_object_release( p_input_thread );
}
void libvlc_media_player_previous_chapter(
libvlc_media_player_t *p_mi,
libvlc_exception_t *p_e )
{
input_thread_t *p_input_thread;
p_input_thread = libvlc_get_input_thread ( p_mi, p_e);
if( !p_input_thread )
return;
int i_type = var_Type( p_input_thread, "next-chapter" );
vlc_value_t val;
val.b_bool = true;
var_Set( p_input_thread, (i_type & VLC_VAR_TYPE) != 0 ?
"prev-chapter":"prev-title", val );
vlc_object_release( p_input_thread );
}
float libvlc_media_player_get_fps(
libvlc_media_player_t *p_mi,
libvlc_exception_t *p_e)

6
src/libvlc.sym
View File

@ -110,6 +110,7 @@ libvlc_media_player_destroy
libvlc_media_player_event_manager
libvlc_media_player_get_chapter
libvlc_media_player_get_chapter_count
libvlc_media_player_get_chapter_count_for_title
libvlc_media_player_get_drawable
libvlc_media_player_get_fps
libvlc_media_player_get_length
@ -118,13 +119,17 @@ libvlc_media_player_get_position
libvlc_media_player_get_rate
libvlc_media_player_get_state
libvlc_media_player_get_time
libvlc_media_player_get_title
libvlc_media_player_get_title_count
libvlc_media_player_has_vout
libvlc_media_player_is_seekable
libvlc_media_player_new
libvlc_media_player_new_from_input_thread
libvlc_media_player_new_from_media
libvlc_media_player_next_chapter
libvlc_media_player_pause
libvlc_media_player_play
libvlc_media_player_previous_chapter
libvlc_media_player_release
libvlc_media_player_retain
libvlc_media_player_set_chapter
@ -133,6 +138,7 @@ libvlc_media_player_set_media
libvlc_media_player_set_position
libvlc_media_player_set_rate
libvlc_media_player_set_time
libvlc_media_player_set_title
libvlc_media_player_stop
libvlc_media_player_will_play
libvlc_media_release