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/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef __GST_MEDIA_INFO_H__
#define __GST_MEDIA_INFO_H__
#include <gst/gst.h>
typedef struct GstMediaInfoPriv GstMediaInfoPriv;
typedef struct
{
GObject parent;
GstMediaInfoPriv *priv;
} GstMediaInfo;
typedef struct
{
GObjectClass parent_class;
/* signals */
void (*media_info_signal) (GstMediaInfo *gst_media_info);
} GstMediaInfoClass;
/* structure for "physical" stream,
* which can contain multiple sequential ones */
typedef struct
{
gboolean seekable;
gchar *mime;
gchar *path;
GstCaps *caps; /* properties of the complete bitstream */
guint64 length_time;
glong length_tracks;
glong bitrate;
GList *tracks;
} GstMediaInfoStream;
/* structure for "logical" stream or track,
* or one of a set of sequentially muxed streams */
typedef struct
{
GstCaps *metadata; /* changeable metadata or tags */
GstCaps *streaminfo; /* codec property stuff */
GstCaps *format; /* properties of the logical stream */
guint64 length_time;
GList *con_streams; /* list of concurrent streams in this
sequential stream */
} GstMediaInfoTrack;
typedef struct
{
GstCaps *caps; /* properties of the muxed concurrent stream */
} GstMediaInfoConcurrent;
#define GST_MEDIA_INFO_ERROR gst_media_info_error_quark ()
#define GST_MEDIA_INFO_TYPE (gst_media_info_get_type ())
#define GST_MEDIA_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_MEDIA_INFO_TYPE, GstMediaInfo))
#define GST_MEDIA_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_MEDIA_INFO_TYPE, GstMediaInfoClass))
#define IS_GST_MEDIA_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_MEDIA_INFO_TYPE))
#define IS_GST_MEDIA_INFO_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_MEDIA_INFO_TYPE))
#define GST_MEDIA_INFO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_MEDIA_INFO_TYPE, GstMediaInfoClass))
#define GST_MEDIA_INFO_STREAM 1 << 1
#define GST_MEDIA_INFO_MIME 1 << 2
#define GST_MEDIA_INFO_METADATA 1 << 3
#define GST_MEDIA_INFO_STREAMINFO 1 << 4
#define GST_MEDIA_INFO_FORMAT 1 << 5
#define GST_MEDIA_INFO_ALL ((1 << 6) - 1)
GType gst_media_info_get_type (void);
GstMediaInfo * gst_media_info_new (const char *source_element);
GstMediaInfoStream *
gst_media_info_read (GstMediaInfo *media_info,
const char *location,
guint16 GST_MEDIA_INFO_FLAGS);
gboolean gst_media_info_read_many (GstMediaInfo *media_info,
GList *locations,
guint16 GST_MEDIA_INFO_FLAGS,
GError **error);
GstCaps * gst_media_info_get_next (GstMediaInfo *media_info,
GError **error);
/*
* FIXME: reset ?
gboolean gst_media_info_write (GstMediaInfo *media_info,
const char *location,
GstCaps *media_info);
*/
#endif /* __GST_MEDIA_INFO_H__ */
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