/* GStreamer * * jpegparse: a parser for JPEG streams * * Copyright (C) <2009> Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> * * This library 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 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. */ #ifndef __GST_JPEG_PARSE_H__ #define __GST_JPEG_PARSE_H__ #include <gst/gst.h> #include <gst/base/gstadapter.h> #include <gst/base/gstbaseparse.h> #include "gstjpegformat.h" G_BEGIN_DECLS #define GST_TYPE_JPEG_PARSE \ (gst_jpeg_parse_get_type()) #define GST_JPEG_PARSE(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JPEG_PARSE,GstJpegParse)) #define GST_JPEG_PARSE_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JPEG_PARSE,GstJpegParseClass)) #define GST_IS_JPEG_PARSE(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JPEG_PARSE)) #define GST_IS_JPEG_PARSE_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEG_PARSE)) #define GST_JPEG_PARSE_CAST(obj) ((GstJpegParse *)obj) typedef struct _GstJpegParse GstJpegParse; typedef struct _GstJpegParseClass GstJpegParseClass; struct _GstJpegParse { GstBaseParse parse; guint last_offset; guint last_entropy_len; gboolean last_resync; /* negotiated state */ gint caps_width, caps_height; gint caps_framerate_numerator; gint caps_framerate_denominator; /* the parsed frame size */ guint16 width, height; /* format color space */ const gchar *format; /* TRUE if the src caps sets a specific framerate */ gboolean has_fps; /* the (expected) timestamp of the next frame */ guint64 next_ts; /* duration of the current frame */ guint64 duration; /* video state */ gint framerate_numerator; gint framerate_denominator; /* tags */ GstTagList *tags; }; struct _GstJpegParseClass { GstBaseParseClass parent_class; }; GType gst_jpeg_parse_get_type (void); GST_ELEMENT_REGISTER_DECLARE (jpegparse); G_END_DECLS #endif /* __GST_JPEG_PARSE_H__ */