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130 lines
4 KiB
C
130 lines
4 KiB
C
/* GStreamer
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* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_MEDIA_INFO_H__
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#define __GST_MEDIA_INFO_H__
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#include <gst/gst.h>
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G_BEGIN_DECLS
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typedef struct GstMediaInfoPriv GstMediaInfoPriv;
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typedef struct _GstMediaInfo GstMediaInfo;
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typedef struct _GstMediaInfoClass GstMediaInfoClass;
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struct _GstMediaInfo
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{
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GObject parent;
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GstMediaInfoPriv *priv;
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gpointer _gst_reserved[GST_PADDING];
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};
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struct _GstMediaInfoClass
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{
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GObjectClass parent_class;
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/* signals */
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void (*media_info_signal) (GstMediaInfo *gst_media_info);
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gpointer _gst_reserved[GST_PADDING];
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};
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/* structure for "physical" stream,
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* which can contain multiple sequential ones */
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typedef struct
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{
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gboolean seekable;
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gchar *mime;
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gchar *path;
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GstCaps *caps; /* properties of the complete bitstream */
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guint64 length_time;
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glong length_tracks;
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glong bitrate;
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GList *tracks;
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} GstMediaInfoStream;
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/* structure for "logical" stream or track,
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* or one of a set of sequentially muxed streams */
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typedef struct
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{
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GstCaps *metadata; /* changeable metadata or tags */
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GstCaps *streaminfo; /* codec property stuff */
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GstCaps *format; /* properties of the logical stream */
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guint64 length_time;
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GList *con_streams; /* list of concurrent streams in this
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sequential stream */
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} GstMediaInfoTrack;
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typedef struct
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{
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GstCaps *caps; /* properties of the muxed concurrent stream */
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} GstMediaInfoConcurrent;
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#define GST_MEDIA_INFO_ERROR gst_media_info_error_quark ()
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#define GST_MEDIA_INFO_TYPE (gst_media_info_get_type ())
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#define GST_MEDIA_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_MEDIA_INFO_TYPE, GstMediaInfo))
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#define GST_MEDIA_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_MEDIA_INFO_TYPE, GstMediaInfoClass))
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#define IS_GST_MEDIA_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_MEDIA_INFO_TYPE))
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#define IS_GST_MEDIA_INFO_CLASS(obj) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_MEDIA_INFO_TYPE))
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#define GST_MEDIA_INFO_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_MEDIA_INFO_TYPE, GstMediaInfoClass))
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#define GST_MEDIA_INFO_STREAM 1 << 1
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#define GST_MEDIA_INFO_MIME 1 << 2
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#define GST_MEDIA_INFO_METADATA 1 << 3
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#define GST_MEDIA_INFO_STREAMINFO 1 << 4
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#define GST_MEDIA_INFO_FORMAT 1 << 5
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#define GST_MEDIA_INFO_ALL ((1 << 6) - 1)
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GType gst_media_info_get_type (void);
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GstMediaInfo * gst_media_info_new (const char *source_element);
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void gst_media_info_read_with_idler (GstMediaInfo *media_info,
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const char *location,
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guint16 GST_MEDIA_INFO_FLAGS);
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gboolean gst_media_info_read_idler (GstMediaInfo *media_info,
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GstMediaInfoStream **streamp);
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GstMediaInfoStream *
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gst_media_info_read (GstMediaInfo *media_info,
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const char *location,
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guint16 GST_MEDIA_INFO_FLAGS);
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gboolean gst_media_info_read_many (GstMediaInfo *media_info,
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GList *locations,
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guint16 GST_MEDIA_INFO_FLAGS,
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GError **error);
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GstCaps * gst_media_info_get_next (GstMediaInfo *media_info,
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GError **error);
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/*
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* FIXME: reset ?
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gboolean gst_media_info_write (GstMediaInfo *media_info,
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const char *location,
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GstCaps *media_info);
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*/
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G_END_DECLS
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#endif /* __GST_MEDIA_INFO_H__ */
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