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/*
* GStreamer
* Copyright (C) 2005 Martin Eikermann <meiker@upb.de>
* Copyright (C) 2008-2010 Sebastian Dröge <slomo@collabora.co.uk>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef __GST_DEINTERLACE_H__
#define __GST_DEINTERLACE_H__
#include <gst/gst.h>
#include <gst/video/video.h>
#include <gst/video/gstvideopool.h>
#include <gst/video/gstvideometa.h>
#include "gstdeinterlacemethod.h"
G_BEGIN_DECLS
#define GST_TYPE_DEINTERLACE \
(gst_deinterlace_get_type())
#define GST_DEINTERLACE(obj) \
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLACE,GstDeinterlace))
#define GST_DEINTERLACE_CLASS(klass) \
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLACE,GstDeinterlace))
#define GST_IS_DEINTERLACE(obj) \
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLACE))
#define GST_IS_DEINTERLACE_CLASS(obj) \
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLACE))
typedef struct _GstDeinterlace GstDeinterlace;
typedef struct _GstDeinterlaceClass GstDeinterlaceClass;
typedef enum
{
GST_DEINTERLACE_TOMSMOCOMP,
GST_DEINTERLACE_GREEDY_H,
GST_DEINTERLACE_GREEDY_L,
GST_DEINTERLACE_VFIR,
GST_DEINTERLACE_LINEAR,
GST_DEINTERLACE_LINEAR_BLEND,
GST_DEINTERLACE_SCALER_BOB,
GST_DEINTERLACE_WEAVE,
GST_DEINTERLACE_WEAVE_TFF,
GST_DEINTERLACE_WEAVE_BFF
} GstDeinterlaceMethods;
typedef enum
{
GST_DEINTERLACE_ALL, /* All (missing data is interp.) */
GST_DEINTERLACE_TF, /* Top Fields Only */
GST_DEINTERLACE_BF /* Bottom Fields Only */
} GstDeinterlaceFields;
typedef enum
{
GST_DEINTERLACE_LAYOUT_AUTO,
GST_DEINTERLACE_LAYOUT_TFF,
GST_DEINTERLACE_LAYOUT_BFF
} GstDeinterlaceFieldLayout;
typedef enum {
GST_DEINTERLACE_MODE_AUTO,
GST_DEINTERLACE_MODE_INTERLACED,
GST_DEINTERLACE_MODE_DISABLED
} GstDeinterlaceMode;
typedef enum
{
GST_DEINTERLACE_LOCKING_NONE,
GST_DEINTERLACE_LOCKING_AUTO,
GST_DEINTERLACE_LOCKING_ACTIVE,
GST_DEINTERLACE_LOCKING_PASSIVE,
} GstDeinterlaceLocking;
#define GST_DEINTERLACE_MAX_FIELD_HISTORY 10
#define GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY 50
/* check max field history is large enough */
#if GST_DEINTERLACE_MAX_FIELD_HISTORY < GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY * 3
#undef GST_DEINTERLACE_MAX_FIELD_HISTORY
#define GST_DEINTERLACE_MAX_FIELD_HISTORY (GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY * 3)
#endif
typedef struct _TelecinePattern TelecinePattern;
struct _TelecinePattern
{
const gchar *nick;
guint8 length;
guint8 ratio_n, ratio_d;
guint8 states[GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY];
};
typedef struct _GstDeinterlaceBufferState GstDeinterlaceBufferState;
struct _GstDeinterlaceBufferState
{
GstClockTime timestamp;
GstClockTime duration;
guint8 state;
};
struct _GstDeinterlace
{
GstElement parent;
GstPad *srcpad, *sinkpad;
/* <private> */
GstDeinterlaceMode mode;
GstDeinterlaceFieldLayout field_layout;
GstDeinterlaceFields fields;
/* current state (differs when flushing/inverse telecine using weave) */
GstDeinterlaceMethods method_id;
/* property value */
GstDeinterlaceMethods user_set_method_id;
GstDeinterlaceMethod *method;
GstVideoInfo vinfo;
GstBufferPool *pool;
GstAllocator *allocator;
GstAllocationParams params;
gboolean passthrough;
GstClockTime field_duration; /* Duration of one field */
/* The most recent pictures
PictureHistory[0] is always the most recent.
Pointers are NULL if the picture in question isn't valid, e.g. because
the program just started or a picture was skipped.
*/
GstDeinterlaceField field_history[GST_DEINTERLACE_MAX_FIELD_HISTORY];
guint history_count;
int cur_field_idx;
/* Set to TRUE if we're in still frame mode,
i.e. just forward all buffers
*/
gboolean still_frame_mode;
/* Last buffer that was pushed in */
GstBuffer *last_buffer;
/* Current segment */
GstSegment segment;
/* QoS stuff */
gdouble proportion;
GstClockTime earliest_time;
gint64 processed;
gint64 dropped;
GstCaps *request_caps;
gboolean reconfigure;
GstDeinterlaceMode new_mode;
GstDeinterlaceFields new_fields;
GstDeinterlaceLocking locking;
gint low_latency;
gboolean drop_orphans;
gboolean ignore_obscure;
gboolean pattern_lock;
gboolean pattern_refresh;
GstDeinterlaceBufferState buf_states[GST_DEINTERLACE_MAX_BUFFER_STATE_HISTORY];
gint state_count;
gint pattern;
guint8 pattern_phase;
guint8 pattern_count;
guint8 output_count;
GstClockTime pattern_base_ts;
GstClockTime pattern_buf_dur;
gboolean need_more;
gboolean have_eos;
};
struct _GstDeinterlaceClass
{
GstElementClass parent_class;
};
GType gst_deinterlace_get_type (void);
G_END_DECLS
#endif /* __GST_DEINTERLACE_H__ */
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