1 /* GStreamer
2  * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
3  * Copyright (C) 2012 Collabora Ltd.
4  *	Author : Edward Hervey <edward@collabora.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public
17  * License along with this library; if not, write to the
18  * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  */
21 
22 
23 #ifndef __GST_PNGENC_H__
24 #define __GST_PNGENC_H__
25 
26 #include <gst/gst.h>
27 #include <gst/video/gstvideoencoder.h>
28 #include <png.h>
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif /* __cplusplus */
33 
34 
35 #define GST_TYPE_PNGENC            (gst_pngenc_get_type())
36 #define GST_PNGENC(obj)            (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_PNGENC,GstPngEnc))
37 #define GST_PNGENC_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_PNGENC,GstPngEncClass))
38 #define GST_IS_PNGENC(obj)         (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_PNGENC))
39 #define GST_IS_PNGENC_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_PNGENC))
40 
41 typedef struct _GstPngEnc GstPngEnc;
42 typedef struct _GstPngEncClass GstPngEncClass;
43 
44 struct _GstPngEnc
45 {
46   GstVideoEncoder parent;
47 
48   GstVideoCodecState *input_state;
49   GstBuffer *buffer_out;
50 
51   png_structp png_struct_ptr;
52   png_infop png_info_ptr;
53 
54   gint png_color_type;
55   gint depth;
56   guint compression_level;
57 
58   gboolean snapshot;
59   gboolean newmedia;
60 };
61 
62 struct _GstPngEncClass
63 {
64   GstVideoEncoderClass 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__ */
76