#ifndef VLC_LIBVLC_MEDIA_H
#define VLC_LIBVLC_MEDIA_H 1
-/*****************************************************************************
- * media
- *****************************************************************************/
-/** \defgroup libvlc_media libvlc_media
+# ifdef __cplusplus
+extern "C" {
+# endif
+
+/** \defgroup libvlc_media LibVLC media
* \ingroup libvlc
- * LibVLC Media
+ * @ref libvlc_media_t is an abstract representation of a playable media.
+ * It consists of a media location and various optional meta data.
* @{
*/
typedef struct libvlc_media_t libvlc_media_t;
-/* Meta Handling */
-/** defgroup libvlc_meta libvlc_meta
+/** defgroup libvlc_meta LibVLC meta data
* \ingroup libvlc_media
- * LibVLC Media Meta
* @{
*/
+/** Meta data types */
typedef enum libvlc_meta_t {
libvlc_meta_Title,
libvlc_meta_Artist,
libvlc_Error
} libvlc_state_t;
-typedef enum libvlc_media_option_t
+enum
{
libvlc_media_option_trusted = 0x2,
libvlc_media_option_unique = 0x100
-} libvlc_media_option_t;
+};
+typedef enum libvlc_es_type_t
+{
+ libvlc_es_unknown = -1,
+ libvlc_es_audio = 0,
+ libvlc_es_video = 1,
+ libvlc_es_text = 2,
+} libvlc_es_type_t;
-/** defgroup libvlc_media_stats_t libvlc_media_stats_t
+/** defgroup libvlc_media_stats_t LibVLC media statistics
* \ingroup libvlc_media
- * LibVLC Media statistics
* @{
*/
typedef struct libvlc_media_stats_t
} libvlc_media_stats_t;
/** @}*/
+typedef struct libvlc_media_es_t
+{
+ /* Codec fourcc */
+ uint32_t i_codec;
+ int i_id;
+ libvlc_es_type_t i_type;
+
+ /* Codec specific */
+ int i_profile;
+ int i_level;
+
+ /* Audio specific */
+ unsigned i_channels;
+ unsigned i_rate;
+
+ /* Video specific */
+ unsigned i_height;
+ unsigned i_width;
+
+} libvlc_media_es_t;
+
/**
- * Create a media with the given MRL.
+ * Create a media with a certain given media resource location.
+ *
+ * \see libvlc_media_release
*
* \param p_instance the instance
* \param psz_mrl the MRL to read
- * \param p_e an initialized exception pointer
- * \return the newly created media
+ * \return the newly created media or NULL on error
+ */
+VLC_PUBLIC_API libvlc_media_t *libvlc_media_new_location(
+ libvlc_instance_t *p_instance,
+ const char * psz_mrl );
+
+/**
+ * Create a media with a certain file path.
+ *
+ * \see libvlc_media_release
+ *
+ * \param p_instance the instance
+ * \param path local filesystem path
+ * \return the newly created media or NULL on error
*/
-VLC_PUBLIC_API libvlc_media_t * libvlc_media_new(
+VLC_PUBLIC_API libvlc_media_t *libvlc_media_new_path(
libvlc_instance_t *p_instance,
- const char * psz_mrl,
- libvlc_exception_t *p_e );
+ const char *path );
/**
- * Create a media as an empty node with the passed name.
+ * Create a media as an empty node with a given name.
+ *
+ * \see libvlc_media_release
*
* \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
+ * \return the new empty media or NULL on error
*/
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 );
+ const char * psz_name );
/**
* Add an option to the media.
VLC_PUBLIC_API void libvlc_media_add_option_flag(
libvlc_media_t * p_md,
const char * ppsz_options,
- libvlc_media_option_t i_flags );
+ unsigned i_flags );
/**
/**
* Duplicate a media descriptor object.
*
- * \param p_meta_desc a media descriptor object.
+ * \param p_md a media descriptor object.
*/
VLC_PUBLIC_API libvlc_media_t * libvlc_media_duplicate( libvlc_media_t *p_md );
/**
* Read the meta of the media.
*
+ * If the media has not yet been parsed this will return NULL.
+ *
+ * This methods automatically calls libvlc_media_parse_async(), so after calling
+ * it you may receive a libvlc_MediaMetaChanged event. If you prefer a synchronous
+ * version ensure that you call libvlc_media_parse() before get_meta().
+ *
+ * \see libvlc_media_parse
+ * \see libvlc_media_parse_async
+ * \see libvlc_MediaMetaChanged
+ *
* \param p_md the media descriptor
* \param e_meta the meta to read
* \return the media's meta
* libvlc_media_save_meta in order to save the meta)
*
* \param p_md the media descriptor
- * \param e_meta the meta to read
- * \param the media's meta
+ * \param e_meta the meta to write
+ * \param psz_value the media's meta
*/
VLC_PUBLIC_API void libvlc_media_set_meta( libvlc_media_t *p_md,
libvlc_meta_t e_meta,
* Save the meta previously set
*
* \param p_md the media desriptor
- * \return true if the werite was successfull
+ * \return true if the write operation was successfull
*/
VLC_PUBLIC_API int libvlc_media_save_meta( libvlc_media_t *p_md );
* Get duration (in ms) of media descriptor object item.
*
* \param p_md media descriptor object
- * \param p_e an initialized exception object
- * \return duration of media item
+ * \return duration of media item or -1 on error
*/
VLC_PUBLIC_API libvlc_time_t
- libvlc_media_get_duration( libvlc_media_t * p_md,
- libvlc_exception_t * p_e );
+ libvlc_media_get_duration( libvlc_media_t * p_md );
+
+/**
+ * Parse a media.
+ *
+ * This fetches (local) meta data and tracks information.
+ * The method is synchronous.
+ *
+ * \see libvlc_media_parse_async
+ * \see libvlc_media_get_meta
+ * \see libvlc_media_get_es
+ *
+ * \param media media descriptor object
+ */
+VLC_PUBLIC_API void
+libvlc_media_parse(libvlc_media_t *media);
+
+/**
+ * Parse a media.
+ *
+ * This fetches (local) meta data and tracks information.
+ * The method is the asynchronous of libvlc_media_parse_async().
+ *
+ * To track when this is over you can listen to libvlc_MediaPreparsedChanged
+ * event. However if the media was already preparsed you will not receive this
+ * event.
+ *
+ * \see libvlc_media_parse
+ * \see libvlc_MediaPreparsedChanged
+ * \see libvlc_media_get_meta
+ * \see libvlc_media_get_es
+ *
+ * \param media media descriptor object
+ */
+VLC_PUBLIC_API void
+libvlc_media_parse_async(libvlc_media_t *media);
/**
* Get preparsed status for media descriptor object.
VLC_PUBLIC_API void *
libvlc_media_get_user_data( libvlc_media_t * p_md );
+/**
+ * Get media descriptor's elementary streams description
+ *
+ * Note, you need to play the media _one_ time with --sout="#description"
+ * Not doing this will result in an empty array, and doing it more than once
+ * will duplicate the entries in the array each time.
+ *
+ * \param p_md media descriptor object
+ * \param pp_es address to store an allocated array of Elementary Streams descriptions (must be freed by the caller)
+ *
+ * return the number of Elementary Streams
+ */
+VLC_PUBLIC_API int
+ libvlc_media_get_es( libvlc_media_t * p_md, libvlc_media_es_t ** pp_es );
+
/** @}*/
+# ifdef __cplusplus
+}
+# endif
+
#endif /* VLC_LIBVLC_MEDIA_H */
projects / vlc / blobdiff