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96b9582914
Jasper is not the only JPEG2000 library out there and we might want to add encoders/decoders based on OpenJPEG for example.
92 lines
2.5 KiB
C
92 lines
2.5 KiB
C
/* GStreamer Jasper based j2k image encoder
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* Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
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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_JASPER_ENC_H__
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#define __GST_JASPER_ENC_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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#include <jasper/jasper.h>
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G_BEGIN_DECLS
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/* #define's don't like whitespacey bits */
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#define GST_TYPE_JASPER_ENC \
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(gst_jasper_enc_get_type())
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#define GST_JASPER_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JASPER_ENC,GstJasperEnc))
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#define GST_JASPER_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JASPER_ENC,GstJasperEncClass))
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#define GST_IS_JASPER_ENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JASPER_ENC))
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#define GST_IS_JASPER_ENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JASPER_ENC))
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typedef struct _GstJasperEnc GstJasperEnc;
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typedef struct _GstJasperEncClass GstJasperEncClass;
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enum {
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GST_JP2ENC_MODE_J2C = 0,
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GST_JP2ENC_MODE_JPC,
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GST_JP2ENC_MODE_JP2
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};
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#define GST_JASPER_ENC_MAX_COMPONENT 4
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struct _GstJasperEnc
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{
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GstElement element;
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GstPad *sinkpad, *srcpad;
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jas_image_t *image;
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glong *buf;
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/* jasper image fmt */
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gint fmt;
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gint mode;
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jas_clrspc_t clrspc;
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/* stream/image properties */
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GstVideoFormat format;
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gint width;
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gint height;
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gint channels;
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gint fps_num, fps_den;
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gint par_num, par_den;
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/* standard video_format indexed */
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gint stride[GST_JASPER_ENC_MAX_COMPONENT];
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gint offset[GST_JASPER_ENC_MAX_COMPONENT];
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gint inc[GST_JASPER_ENC_MAX_COMPONENT];
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gint cwidth[GST_JASPER_ENC_MAX_COMPONENT];
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gint cheight[GST_JASPER_ENC_MAX_COMPONENT];
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};
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struct _GstJasperEncClass
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{
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GstElementClass parent_class;
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};
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GType gst_jasper_enc_get_type (void);
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G_END_DECLS
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#endif /* __GST_JASPER_ENC_H__ */
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