mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-25 03:01:03 +00:00
96b9582914
Jasper is not the only JPEG2000 library out there and we might want to add encoders/decoders based on OpenJPEG for example.
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/* GStreamer Jasper based j2k image decoder
|
|
* Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
|
|
*
|
|
* 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_JASPER_DEC_H__
|
|
#define __GST_JASPER_DEC_H__
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/video/video.h>
|
|
|
|
#include <jasper/jasper.h>
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
/* #define's don't like whitespacey bits */
|
|
#define GST_TYPE_JASPER_DEC \
|
|
(gst_jasper_dec_get_type())
|
|
#define GST_JASPER_DEC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JASPER_DEC,GstJasperDec))
|
|
#define GST_JASPER_DEC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JASPER_DEC,GstJasperDecClass))
|
|
#define GST_IS_JASPER_DEC(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JASPER_DEC))
|
|
#define GST_IS_JASPER_DEC_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JASPER_DEC))
|
|
|
|
typedef struct _GstJasperDec GstJasperDec;
|
|
typedef struct _GstJasperDecClass GstJasperDecClass;
|
|
|
|
#define GST_JASPER_DEC_MAX_COMPONENT 4
|
|
|
|
struct _GstJasperDec
|
|
{
|
|
GstElement element;
|
|
|
|
GstPad *sinkpad, *srcpad;
|
|
|
|
GstBuffer *codec_data;
|
|
|
|
/* jasper image fmt */
|
|
gint fmt;
|
|
jas_clrspc_t clrspc;
|
|
gint strip;
|
|
|
|
/* stream/image properties */
|
|
GstVideoFormat format;
|
|
gint width;
|
|
gint height;
|
|
gint channels;
|
|
guint image_size;
|
|
gint stride[GST_JASPER_DEC_MAX_COMPONENT];
|
|
gint offset[GST_JASPER_DEC_MAX_COMPONENT];
|
|
gint inc[GST_JASPER_DEC_MAX_COMPONENT];
|
|
gboolean alpha;
|
|
glong *buf;
|
|
|
|
/* image cmpt indexed */
|
|
gint cwidth[GST_JASPER_DEC_MAX_COMPONENT];
|
|
gint cheight[GST_JASPER_DEC_MAX_COMPONENT];
|
|
/* standard video_format indexed */
|
|
gint cmpt[GST_JASPER_DEC_MAX_COMPONENT];
|
|
|
|
gint framerate_numerator;
|
|
gint framerate_denominator;
|
|
|
|
GstSegment segment;
|
|
gboolean discont;
|
|
|
|
/* QoS stuff *//* with LOCK */
|
|
gdouble proportion;
|
|
GstClockTime earliest_time;
|
|
};
|
|
|
|
struct _GstJasperDecClass
|
|
{
|
|
GstElementClass parent_class;
|
|
};
|
|
|
|
GType gst_jasper_dec_get_type (void);
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_JASPER_DEC_H__ */
|