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5874d6f330
Original commit message from CVS: * gst/deinterlace2/gstdeinterlace2.c: (gst_deinterlace_method_deinterlace_frame), (gst_deinterlace2_set_method), (gst_deinterlace2_init), (gst_deinterlace2_reset_history), (gst_deinterlace2_reset), (gst_deinterlace2_set_property), (gst_deinterlace2_get_property), (gst_deinterlace2_pop_history), (gst_deinterlace2_head_history), (gst_deinterlace2_push_history), (gst_deinterlace2_chain), (gst_deinterlace2_setcaps), (gst_deinterlace2_sink_event), (gst_deinterlace2_change_state), (gst_deinterlace2_src_event), (gst_deinterlace2_src_query): * gst/deinterlace2/gstdeinterlace2.h: Call the current instance "self" instead of "object".
184 lines
5.3 KiB
C
184 lines
5.3 KiB
C
/*
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* GStreamer
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* Copyright (C) 2005 Martin Eikermann <meiker@upb.de>
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* Copyright (C) 2008 Sebastian Dröge <slomo@collabora.co.uk>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifndef __GST_DEINTERLACE_2_H__
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#define __GST_DEINTERLACE_2_H__
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#include <liboil/liboil.h>
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#include <liboil/liboilfunction.h>
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#include <liboil/liboilcpu.h>
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#include <gst/gst.h>
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#include <gst/base/gstbasetransform.h>
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G_BEGIN_DECLS
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#define GST_TYPE_DEINTERLACE2 \
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(gst_deinterlace2_get_type())
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#define GST_DEINTERLACE2(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLACE2,GstDeinterlace2))
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#define GST_DEINTERLACE2_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLACE2,GstDeinterlace2))
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#define GST_IS_DEINTERLACE2(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLACE2))
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#define GST_IS_DEINTERLACE2_CLASS(obj) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLACE2))
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typedef struct _GstDeinterlace2 GstDeinterlace2;
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typedef struct _GstDeinterlace2Class GstDeinterlace2Class;
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#define GST_TYPE_DEINTERLACE_METHOD (gst_deinterlace_method_get_type ())
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#define GST_IS_DEINTERLACE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD))
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#define GST_IS_DEINTERLACE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD))
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#define GST_DEINTERLACE_METHOD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethodClass))
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#define GST_DEINTERLACE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethod))
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#define GST_DEINTERLACE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethodClass))
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#define GST_DEINTERLACE_METHOD_CAST(obj) ((GstDeinterlaceMethod*)(obj))
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typedef struct _GstDeinterlaceMethod GstDeinterlaceMethod;
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typedef struct _GstDeinterlaceMethodClass GstDeinterlaceMethodClass;
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/*
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* This structure defines the deinterlacer plugin.
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*/
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struct _GstDeinterlaceMethod {
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GstObject parent;
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};
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struct _GstDeinterlaceMethodClass {
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GstObjectClass parent_class;
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guint fields_required;
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guint latency;
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gboolean available;
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void (*deinterlace_frame) (GstDeinterlaceMethod *self, GstDeinterlace2 * parent);
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const gchar *name;
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const gchar *nick;
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};
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GType gst_deinterlace_method_get_type (void);
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#define MAX_FIELD_HISTORY 10
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#define PICTURE_PROGRESSIVE 0
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#define PICTURE_INTERLACED_BOTTOM 1
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#define PICTURE_INTERLACED_TOP 2
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#define PICTURE_INTERLACED_MASK (PICTURE_INTERLACED_BOTTOM | PICTURE_INTERLACED_TOP)
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typedef struct
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{
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/* pointer to the start of data for this field */
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GstBuffer *buf;
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/* see PICTURE_ flags */
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guint flags;
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} GstPicture;
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typedef enum
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{
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GST_DEINTERLACE2_TOMSMOCOMP,
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GST_DEINTERLACE2_GREEDY_H,
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GST_DEINTERLACE2_GREEDY_L,
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GST_DEINTERLACE2_VFIR
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} GstDeinterlace2Methods;
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typedef enum
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{
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GST_DEINTERLACE2_ALL, /* All (missing data is interp.) */
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GST_DEINTERLACE2_TF, /* Top Fields Only */
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GST_DEINTERLACE2_BF /* Bottom Fields Only */
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} GstDeinterlace2Fields;
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typedef enum
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{
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GST_DEINTERLACE2_LAYOUT_AUTO,
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GST_DEINTERLACE2_LAYOUT_TFF,
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GST_DEINTERLACE2_LAYOUT_BFF
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} GstDeinterlace2FieldLayout;
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struct _GstDeinterlace2
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{
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GstElement parent;
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GstPad *srcpad, *sinkpad;
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guint history_count;
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GstDeinterlace2FieldLayout field_layout;
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guint frame_size;
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gint frame_rate_n, frame_rate_d;
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/* Duration of one field */
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GstClockTime field_duration;
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GstDeinterlace2Fields fields;
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GstDeinterlace2Methods method_id;
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GstDeinterlaceMethod *method;
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/* The most recent pictures
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PictureHistory[0] is always the most recent.
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Pointers are NULL if the picture in question isn't valid, e.g. because
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the program just started or a picture was skipped.
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*/
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GstPicture field_history[MAX_FIELD_HISTORY];
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/* Current overlay buffer pointer. */
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GstBuffer *out_buf;
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/* Overlay pitch (number of bytes between scanlines). */
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guint output_stride;
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/* Number of bytes of actual data in each scanline. May be less than
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OverlayPitch since the overlay's scanlines might have alignment
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requirements. Generally equal to FrameWidth * 2.
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*/
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guint line_length;
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/* Number of pixels in each scanline. */
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gint frame_width;
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/* Number of scanlines per frame. */
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gint frame_height;
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/* Number of scanlines per field. FrameHeight / 2, mostly for
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cleanliness so we don't have to keep dividing FrameHeight by 2.
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*/
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gint field_height;
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/* distance between lines in image
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need not match the pixel width
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*/
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guint field_stride;
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};
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struct _GstDeinterlace2Class
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{
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GstElementClass parent_class;
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};
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GType gst_deinterlace2_get_type (void);
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G_END_DECLS
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#endif /* __GST_DEINTERLACE_2_H__ */
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