1 /* GStreamer

     2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>

     3  *

     4  * This library is free software; you can redistribute it and/or

     5  * modify it under the terms of the GNU Library General Public

     6  * License as published by the Free Software Foundation; either

     7  * version 2 of the License, or (at your option) any later version.

     8  *

     9  * This library is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

    12  * Library General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU Library General Public

    15  * License along with this library; if not, write to the

    16  * Free Software Foundation, Inc., 59 Temple Place - Suite 330,

    17  * Boston, MA 02111-1307, USA.

    18  */

    19 

    20 

    21 #ifndef __GST_PNGENC_H__

    22 #define __GST_PNGENC_H__

    23 

    24 #include <gst/gst.h>

    25 #include <png.h>

    26 

    27 #ifdef __cplusplus

    28 extern "C" {

    29 #endif /* __cplusplus */

    30 

    31 

    32 #define GST_TYPE_PNGENC            (gst_pngenc_get_type())

    33 #define GST_PNGENC(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PNGENC,GstPngEnc))

    34 #define GST_PNGENC_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PNGENC,GstPngEncClass))

    35 #define GST_IS_PNGENC(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PNGENC))

    36 #define GST_IS_PNGENC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PNGENC))

    37 

    38 typedef struct _GstPngEnc GstPngEnc;

    39 typedef struct _GstPngEncClass GstPngEncClass;

    40 

    41 struct _GstPngEnc

    42 {

    43   GstElement element;

    44 

    45   GstPad *sinkpad, *srcpad;

    46   GstBuffer *buffer_out;

    47   guint written;

    48 

    49   png_structp png_struct_ptr;

    50   png_infop png_info_ptr;

    51 

    52   gint width;

    53   gint height;

    54   gint bpp;

    55   gint stride;

    56   guint compression_level;

    57 

    58   gboolean snapshot;

    59   gboolean newmedia;

    60 };

    61 

    62 struct _GstPngEncClass

    63 {

    64   GstElementClass parent_class;

    65 };

    66 

    67 GType gst_pngenc_get_type(void);

    68 

    69 

    70 #ifdef __cplusplus

    71 }

    72 #endif /* __cplusplus */

    73 

    74 

    75 #endif /* __GST_PNGENC_H__ */