3 * Copyright (C) 2005 Martin Eikermann <meiker@upb.de>
4 * Copyright (C) 2008-2010 Sebastian Dröge <slomo@collabora.co.uk>
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.
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.
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., 59 Temple Place - Suite 330,
19 * Boston, MA 02111-1307, USA.
22 #ifndef __GST_DEINTERLACE_H__
23 #define __GST_DEINTERLACE_H__
26 #include <gst/video/video.h>
28 #include "gstdeinterlacemethod.h"
32 #define GST_TYPE_DEINTERLACE \
33 (gst_deinterlace_get_type())
34 #define GST_DEINTERLACE(obj) \
35 (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLACE,GstDeinterlace))
36 #define GST_DEINTERLACE_CLASS(klass) \
37 (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLACE,GstDeinterlace))
38 #define GST_IS_DEINTERLACE(obj) \
39 (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLACE))
40 #define GST_IS_DEINTERLACE_CLASS(obj) \
41 (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLACE))
43 typedef struct _GstDeinterlace GstDeinterlace;
44 typedef struct _GstDeinterlaceClass GstDeinterlaceClass;
46 #define GST_DEINTERLACE_MAX_FIELD_HISTORY 10
50 GST_DEINTERLACE_TOMSMOCOMP,
51 GST_DEINTERLACE_GREEDY_H,
52 GST_DEINTERLACE_GREEDY_L,
54 GST_DEINTERLACE_LINEAR,
55 GST_DEINTERLACE_LINEAR_BLEND,
56 GST_DEINTERLACE_SCALER_BOB,
57 GST_DEINTERLACE_WEAVE,
58 GST_DEINTERLACE_WEAVE_TFF,
59 GST_DEINTERLACE_WEAVE_BFF
60 } GstDeinterlaceMethods;
64 GST_DEINTERLACE_ALL, /* All (missing data is interp.) */
65 GST_DEINTERLACE_TF, /* Top Fields Only */
66 GST_DEINTERLACE_BF /* Bottom Fields Only */
67 } GstDeinterlaceFields;
71 GST_DEINTERLACE_LAYOUT_AUTO,
72 GST_DEINTERLACE_LAYOUT_TFF,
73 GST_DEINTERLACE_LAYOUT_BFF
74 } GstDeinterlaceFieldLayout;
77 GST_DEINTERLACE_MODE_AUTO,
78 GST_DEINTERLACE_MODE_INTERLACED,
79 GST_DEINTERLACE_MODE_DISABLED
82 struct _GstDeinterlace
86 GstPad *srcpad, *sinkpad;
89 GstDeinterlaceMode mode;
91 GstDeinterlaceFieldLayout field_layout;
93 GstDeinterlaceFields fields;
95 GstDeinterlaceMethods method_id; /* current state (differs when flushing) */
96 GstDeinterlaceMethods user_set_method_id; /* property value */
97 GstDeinterlaceMethod *method;
99 GstVideoFormat format;
100 gint width, height; /* frame width & height */
101 guint frame_size; /* frame size in bytes */
102 gint fps_n, fps_d; /* frame rate */
103 gboolean interlaced; /* is input interlaced? */
105 gboolean passthrough;
107 GstClockTime field_duration; /* Duration of one field */
109 /* The most recent pictures
110 PictureHistory[0] is always the most recent.
111 Pointers are NULL if the picture in question isn't valid, e.g. because
112 the program just started or a picture was skipped.
114 GstDeinterlaceField field_history[GST_DEINTERLACE_MAX_FIELD_HISTORY];
117 /* Set to TRUE if we're in still frame mode,
118 i.e. just forward all buffers
120 gboolean still_frame_mode;
122 /* Last buffer that was pushed in */
123 GstBuffer *last_buffer;
125 /* Current segment */
130 GstClockTime earliest_time;
132 GstCaps *request_caps;
134 gboolean reconfigure;
135 GstDeinterlaceMode new_mode;
136 GstDeinterlaceFields new_fields;
139 struct _GstDeinterlaceClass
141 GstElementClass parent_class;
144 GType gst_deinterlace_get_type (void);
148 #endif /* __GST_DEINTERLACE_H__ */