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;
48 GST_DEINTERLACE_TOMSMOCOMP,
49 GST_DEINTERLACE_GREEDY_H,
50 GST_DEINTERLACE_GREEDY_L,
52 GST_DEINTERLACE_LINEAR,
53 GST_DEINTERLACE_LINEAR_BLEND,
54 GST_DEINTERLACE_SCALER_BOB,
55 GST_DEINTERLACE_WEAVE,
56 GST_DEINTERLACE_WEAVE_TFF,
57 GST_DEINTERLACE_WEAVE_BFF
58 } GstDeinterlaceMethods;
62 GST_DEINTERLACE_ALL, /* All (missing data is interp.) */
63 GST_DEINTERLACE_TF, /* Top Fields Only */
64 GST_DEINTERLACE_BF /* Bottom Fields Only */
65 } GstDeinterlaceFields;
69 GST_DEINTERLACE_LAYOUT_AUTO,
70 GST_DEINTERLACE_LAYOUT_TFF,
71 GST_DEINTERLACE_LAYOUT_BFF
72 } GstDeinterlaceFieldLayout;
75 GST_DEINTERLACE_MODE_AUTO,
76 GST_DEINTERLACE_MODE_INTERLACED,
77 GST_DEINTERLACE_MODE_DISABLED
82 GST_DEINTERLACE_LOCKING_NONE,
83 GST_DEINTERLACE_LOCKING_AUTO,
84 GST_DEINTERLACE_LOCKING_ACTIVE,
85 GST_DEINTERLACE_LOCKING_PASSIVE,
86 } GstDeinterlaceLocking;
88 #define GST_DEINTERLACE_MAX_FIELD_HISTORY 10
89 #define GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY 50
90 /* check max field history is large enough */
91 #if GST_DEINTERLACE_MAX_FIELD_HISTORY < GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY * 3
92 #undef GST_DEINTERLACE_MAX_FIELD_HISTORY
93 #define GST_DEINTERLACE_MAX_FIELD_HISTORY (GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY * 3)
96 typedef struct _TelecinePattern TelecinePattern;
97 struct _TelecinePattern
101 guint8 ratio_n, ratio_d;
102 guint8 states[GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY];
105 typedef struct _GstDeinterlaceBufferState GstDeinterlaceBufferState;
106 struct _GstDeinterlaceBufferState
108 GstClockTime timestamp;
109 GstClockTime duration;
113 struct _GstDeinterlace
117 GstPad *srcpad, *sinkpad;
120 GstDeinterlaceMode mode;
122 GstDeinterlaceFieldLayout field_layout;
124 GstDeinterlaceFields fields;
126 /* current state (differs when flushing/inverse telecine using weave) */
127 GstDeinterlaceMethods method_id;
129 GstDeinterlaceMethods user_set_method_id;
130 GstDeinterlaceMethod *method;
132 GstVideoFormat format;
133 gint width, height; /* frame width & height */
134 guint frame_size; /* frame size in bytes */
135 gint fps_n, fps_d; /* frame rate */
136 gboolean interlaced; /* is input interlaced? */
138 gboolean passthrough;
140 GstClockTime field_duration; /* Duration of one field */
142 /* The most recent pictures
143 PictureHistory[0] is always the most recent.
144 Pointers are NULL if the picture in question isn't valid, e.g. because
145 the program just started or a picture was skipped.
147 GstDeinterlaceField field_history[GST_DEINTERLACE_MAX_FIELD_HISTORY];
151 /* Set to TRUE if we're in still frame mode,
152 i.e. just forward all buffers
154 gboolean still_frame_mode;
156 /* Last buffer that was pushed in */
157 GstBuffer *last_buffer;
159 /* Current segment */
164 GstClockTime earliest_time;
166 GstCaps *request_caps;
168 gboolean reconfigure;
169 GstDeinterlaceMode new_mode;
170 GstDeinterlaceFields new_fields;
172 GstDeinterlaceLocking locking;
174 gboolean drop_orphans;
175 gboolean ignore_obscure;
176 gboolean pattern_lock;
177 gboolean pattern_refresh;
178 GstDeinterlaceBufferState buf_states[GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY];
181 guint8 pattern_phase;
182 guint8 pattern_count;
184 GstClockTime pattern_base_ts;
185 GstClockTime pattern_buf_dur;
191 struct _GstDeinterlaceClass
193 GstElementClass parent_class;
196 GType gst_deinterlace_get_type (void);
200 #endif /* __GST_DEINTERLACE_H__ */