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101 lines
2.7 KiB
C
101 lines
2.7 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_JPEGENC_H__
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#define __GST_JPEGENC_H__
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#include <gst/gst.h>
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#include <gst/video/video.h>
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/* this is a hack hack hack to get around jpeglib header bugs... */
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#ifdef HAVE_STDLIB_H
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# undef HAVE_STDLIB_H
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#endif
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#include <stdio.h>
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#include <jpeglib.h>
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G_BEGIN_DECLS
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#define GST_TYPE_JPEGENC \
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(gst_jpegenc_get_type())
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#define GST_JPEGENC(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_JPEGENC,GstJpegEnc))
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#define GST_JPEGENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_JPEGENC,GstJpegEncClass))
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#define GST_IS_JPEGENC(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_JPEGENC))
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#define GST_IS_JPEGENC_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_JPEGENC))
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typedef struct _GstJpegEnc GstJpegEnc;
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typedef struct _GstJpegEncClass GstJpegEncClass;
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struct _GstJpegEnc
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{
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GstElement element;
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/* pads */
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GstPad *sinkpad, *srcpad;
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/* stream/image properties */
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GstVideoInfo info;
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gint channels;
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/* standard video_format indexed */
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gint inc[GST_VIDEO_MAX_COMPONENTS];
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gint cwidth[GST_VIDEO_MAX_COMPONENTS];
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gint cheight[GST_VIDEO_MAX_COMPONENTS];
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gint h_samp[GST_VIDEO_MAX_COMPONENTS];
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gint v_samp[GST_VIDEO_MAX_COMPONENTS];
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gint h_max_samp;
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gint v_max_samp;
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gboolean planar;
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/* the video buffer */
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gint bufsize;
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/* the jpeg line buffer */
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guchar **line[3];
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/* indirect encoding line buffers */
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guchar *row[3][4 * DCTSIZE];
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struct jpeg_compress_struct cinfo;
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struct jpeg_error_mgr jerr;
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struct jpeg_destination_mgr jdest;
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/* properties */
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gint quality;
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gint smoothing;
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gint idct_method;
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/* cached return state for any problems that may occur in callbacks */
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GstFlowReturn last_ret;
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GstMemory *output_mem;
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gpointer output_data;
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gsize output_size;
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};
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struct _GstJpegEncClass
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{
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GstElementClass parent_class;
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};
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GType gst_jpegenc_get_type (void);
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G_END_DECLS
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#endif /* __GST_JPEGENC_H__ */
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