/*****************************************************************************
- * libvlc.h: libvlc external API
+ * libvlc_media.h: libvlc external API
*****************************************************************************
- * Copyright (C) 1998-2009 the VideoLAN team
+ * Copyright (C) 1998-2009 VLC authors and VideoLAN
* $Id$
*
* 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
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 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.
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser 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.
+ * You should have received a copy of the GNU Lesser 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.
*****************************************************************************/
/**
} libvlc_media_track_info_t;
+typedef struct libvlc_audio_track_t
+{
+ unsigned i_channels;
+ unsigned i_rate;
+} libvlc_audio_track_t;
+
+typedef struct libvlc_video_track_t
+{
+ unsigned i_height;
+ unsigned i_width;
+ unsigned i_sar_num;
+ unsigned i_sar_den;
+ unsigned i_frame_rate_num;
+ unsigned i_frame_rate_den;
+} libvlc_video_track_t;
+
+typedef struct libvlc_subtitle_track_t
+{
+ char *psz_encoding;
+} libvlc_subtitle_track_t;
+
+typedef struct libvlc_media_track_t
+{
+ /* Codec fourcc */
+ uint32_t i_codec;
+ uint32_t i_original_fourcc;
+ int i_id;
+ libvlc_track_type_t i_type;
+
+ /* Codec specific */
+ int i_profile;
+ int i_level;
+
+ union {
+ libvlc_audio_track_t *audio;
+ libvlc_video_track_t *video;
+ libvlc_subtitle_track_t *subtitle;
+ };
+
+ unsigned int i_bitrate;
+ char *psz_language;
+ char *psz_description;
+
+} libvlc_media_track_t;
+
+
/**
* Create a media with a certain given media resource location,
* for instance a valid URL.
* 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"
+ * \note The options are listed in 'vlc --long-help' from the command line,
+ * e.g. "-sout-all". Keep in mind that available options and their semantics
+ * vary across LibVLC versions and builds.
+ * \warning Not all options affects libvlc_media_t objects:
+ * Specifically, due to architectural issues most audio and video options,
+ * such as text renderer options, have no effects on an individual media.
+ * These options must be set through libvlc_new() instead.
*
* \param p_md the media descriptor
- * \param ppsz_options the options (as a string)
+ * \param psz_options the options (as a string)
*/
LIBVLC_API void libvlc_media_add_option(
libvlc_media_t *p_md,
- const char * ppsz_options );
+ const char * psz_options );
/**
* Add an option to the media with configurable flags.
* 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"
+ * The options are detailed in vlc --long-help, for instance
+ * "--sout-all". Note that all options are not usable on medias:
+ * specifically, due to architectural issues, video-related options
+ * such as text renderer options cannot be set on a single media. They
+ * must be set on the whole libvlc instance instead.
*
* \param p_md the media descriptor
- * \param ppsz_options the options (as a string)
+ * \param psz_options the options (as a string)
* \param i_flags the flags for this option
*/
LIBVLC_API void libvlc_media_add_option_flag(
libvlc_media_t *p_md,
- const char * ppsz_options,
+ const char * psz_options,
unsigned i_flags );
* Save the meta previously set
*
* \param p_md the media desriptor
- * \return true if the write operation was successfull
+ * \return true if the write operation was successful
*/
LIBVLC_API int libvlc_media_save_meta( libvlc_media_t *p_md );
* \param p_stats: structure that contain the statistics about the media
* (this structure must be allocated by the caller)
* \return true if the statistics are available, false otherwise
+ *
+ * \libvlc_return_bool
*/
LIBVLC_API int libvlc_media_get_stats( libvlc_media_t *p_md,
libvlc_media_stats_t *p_stats );
+/* The following method uses libvlc_media_list_t, however, media_list usage is optionnal
+ * and this is here for convenience */
+#define VLC_FORWARD_DECLARE_OBJECT(a) struct a
+
/**
* Get subitems of media descriptor object. This will increment
* the reference count of supplied media descriptor object. Use
* \param p_md media descriptor object
* \return list of media descriptor subitems or NULL
*/
-
-/* This method uses libvlc_media_list_t, however, media_list usage is optionnal
- * and this is here for convenience */
-#define VLC_FORWARD_DECLARE_OBJECT(a) struct a
-
LIBVLC_API VLC_FORWARD_DECLARE_OBJECT(libvlc_media_list_t *)
libvlc_media_subitems( libvlc_media_t *p_md );
*
* \param p_md media descriptor object
* \return true if media object has been parsed otherwise it returns false
+ *
+ * \libvlc_return_bool
*/
LIBVLC_API int
libvlc_media_is_parsed( libvlc_media_t *p_md );
* before calling this function.
* Not doing this will result in an empty array.
*
+ * \deprecated Use libvlc_media_tracks_get instead
+ *
* \param p_md media descriptor object
* \param tracks address to store an allocated array of Elementary Streams
- * descriptions (must be freed by the caller)
+ * descriptions (must be freed by the caller) [OUT]
*
* \return the number of Elementary Streams
*/
-LIBVLC_API
+LIBVLC_DEPRECATED LIBVLC_API
int libvlc_media_get_tracks_info( libvlc_media_t *p_md,
libvlc_media_track_info_t **tracks );
+/**
+ * Get media descriptor's elementary streams description
+ *
+ * Note, you need to call libvlc_media_parse() or play the media at least once
+ * before calling this function.
+ * Not doing this will result in an empty array.
+ *
+ * \version LibVLC 2.1.0 and later.
+ *
+ * \param p_md media descriptor object
+ * \param tracks address to store an allocated array of Elementary Streams
+ * descriptions (must be freed with libvlc_media_tracks_release
+ by the caller) [OUT]
+ *
+ * \return the number of Elementary Streams (zero on error)
+ */
+LIBVLC_API
+unsigned libvlc_media_tracks_get( libvlc_media_t *p_md,
+ libvlc_media_track_t ***tracks );
+
+
+/**
+ * Release media descriptor's elementary streams description array
+ *
+ * \version LibVLC 2.1.0 and later.
+ *
+ * \param p_tracks tracks info array to release
+ * \param i_count number of elements in the array
+ */
+LIBVLC_API
+void libvlc_media_tracks_release( libvlc_media_track_t **p_tracks,
+ unsigned i_count );
+
/** @}*/
# ifdef __cplusplus
projects / vlc / blobdiff