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., 51 Franklin St, Fifth Floor,
17  * Boston, MA 02110-1301, USA.
18  */
19 
20 
21 #ifndef __GST_DVDEC_H__
22 #define __GST_DVDEC_H__
23 
24 
25 #include <gst/gst.h>
26 #include <gst/video/video.h>
27 
28 #include <libdv/dv.h>
29 
30 
31 G_BEGIN_DECLS
32 
33 
34 #define GST_TYPE_DVDEC \
35   (gst_dvdec_get_type())
36 #define GST_DVDEC(obj) \
37   (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DVDEC,GstDVDec))
38 #define GST_DVDEC_CLASS(klass) \
39   (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DVDEC,GstDVDecClass))
40 #define GST_IS_DVDEC(obj) \
41   (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DVDEC))
42 #define GST_IS_DVDEC_CLASS(klass) \
43   (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DVDEC))
44 
45 
46 typedef struct _GstDVDec GstDVDec;
47 typedef struct _GstDVDecClass GstDVDecClass;
48 
49 
50 struct _GstDVDec {
51   GstElement     element;
52 
53   GstPad        *sinkpad;
54   GstPad        *srcpad;
55 
56   dv_decoder_t  *decoder;
57   gboolean       clamp_luma;
58   gboolean       clamp_chroma;
59   gint           quality;
60 
61   gboolean       PAL;
62   gboolean       interlaced;
63   gboolean       wide;
64 
65   /* input caps */
66   gboolean       sink_negotiated;
67   GstVideoInfo   vinfo;
68   gint           framerate_numerator;
69   gint           framerate_denominator;
70   gint           height;
71   gint           par_x;
72   gint           par_y;
73   gboolean       need_par;
74 
75   /* negotiated output */
76   gint           bpp;
77   gboolean       src_negotiated;
78 
79   gint           video_offset;
80   gint           drop_factor;
81 
82   GstBufferPool *pool;
83   GstSegment     segment;
84   gboolean       need_segment;
85 };
86 
87 struct _GstDVDecClass {
88   GstElementClass parent_class;
89 };
90 
91 
92 GType gst_dvdec_get_type (void);
93 
94 
95 G_END_DECLS
96 
97 
98 #endif /* __GST_DVDEC_H__ */
99