/* GStreamer * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu> * <2007> Wim Taymans <wim.taymans@gmail.com> * * 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_STREAMINFO_H__ #define __GST_STREAMINFO_H__ #include <gst/gst.h> G_BEGIN_DECLS #define GST_TYPE_STREAM_INFO (gst_stream_info_get_type()) #define GST_STREAM_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_STREAM_INFO,GstStreamInfo)) #define GST_STREAM_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_STREAM_INFO,GstStreamInfoClass)) #define GST_IS_STREAM_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_STREAM_INFO)) #define GST_IS_STREAM_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_STREAM_INFO)) typedef struct _GstStreamInfo GstStreamInfo; typedef struct _GstStreamInfoClass GstStreamInfoClass; typedef enum { GST_STREAM_TYPE_UNKNOWN = 0, GST_STREAM_TYPE_AUDIO = 1, /* an audio stream */ GST_STREAM_TYPE_VIDEO = 2, /* a video stream */ GST_STREAM_TYPE_TEXT = 3, /* a subtitle/text stream */ GST_STREAM_TYPE_SUBPICTURE = 4, /* a subtitle in picture-form */ GST_STREAM_TYPE_ELEMENT = 5 /* stream handled by an element */ } GstStreamType; struct _GstStreamInfo { GObject parent; GstObject *object; /* pad/element providing/handling this stream */ GstStreamType type; /* the type of the provided stream */ gchar *decoder; /* string describing the decoder */ gboolean mute; /* is the stream muted or not */ GstObject *origin; /* the real object providing this stream, this can be different from the object as the object can be a queue pad, inserted for preroll. */ GstCaps *caps; /* the caps of the stream */ /* this is tream information cached here because the streaminfo may be * created before the app can know about it. */ gchar *langcode, *codec; }; struct _GstStreamInfoClass { GObjectClass parent_class; /* signals */ void (*muted) (GstStreamInfo *info, gboolean mute); }; GType gst_stream_info_get_type (void); GstStreamInfo* gst_stream_info_new (GstObject *object, GstStreamType type, const gchar *decoder, const GstCaps *caps); gboolean gst_stream_info_set_mute (GstStreamInfo *stream_info, gboolean mute); gboolean gst_stream_info_is_mute (GstStreamInfo *stream_info); G_END_DECLS #endif /* __GST_STREAMINFO_H__ */