/* * GStreamer * Copyright (C) 2005 Martin Eikermann * Copyright (C) 2008 Sebastian Dröge * * 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., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. */ #ifndef __GST_DEINTERLACE_2_H__ #define __GST_DEINTERLACE_2_H__ #include #include #include #include #include #ifdef HAVE_GCC_ASM #if defined(HAVE_CPU_I386) || defined(HAVE_CPU_X86_64) #define BUILD_X86_ASM #endif #endif G_BEGIN_DECLS #define GST_TYPE_DEINTERLACE2 \ (gst_deinterlace2_get_type()) #define GST_DEINTERLACE2(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_DEINTERLACE2,GstDeinterlace2)) #define GST_DEINTERLACE2_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_DEINTERLACE2,GstDeinterlace2)) #define GST_IS_DEINTERLACE2(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_DEINTERLACE2)) #define GST_IS_DEINTERLACE2_CLASS(obj) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_DEINTERLACE2)) typedef struct _GstDeinterlace2 GstDeinterlace2; typedef struct _GstDeinterlace2Class GstDeinterlace2Class; #define GST_TYPE_DEINTERLACE_METHOD (gst_deinterlace_method_get_type ()) #define GST_IS_DEINTERLACE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD)) #define GST_IS_DEINTERLACE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD)) #define GST_DEINTERLACE_METHOD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethodClass)) #define GST_DEINTERLACE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethod)) #define GST_DEINTERLACE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD, GstDeinterlaceMethodClass)) #define GST_DEINTERLACE_METHOD_CAST(obj) ((GstDeinterlaceMethod*)(obj)) typedef struct _GstDeinterlaceMethod GstDeinterlaceMethod; typedef struct _GstDeinterlaceMethodClass GstDeinterlaceMethodClass; /* * This structure defines the deinterlacer plugin. */ struct _GstDeinterlaceMethod { GstObject parent; }; struct _GstDeinterlaceMethodClass { GstObjectClass parent_class; guint fields_required; guint latency; void (*deinterlace_frame) (GstDeinterlaceMethod *self, GstDeinterlace2 * parent); const gchar *name; const gchar *nick; }; GType gst_deinterlace_method_get_type (void); #define GST_TYPE_DEINTERLACE_SIMPLE_METHOD (gst_deinterlace_simple_method_get_type ()) #define GST_IS_DEINTERLACE_SIMPLE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD)) #define GST_IS_DEINTERLACE_SIMPLE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_SIMPLE_METHOD)) #define GST_DEINTERLACE_SIMPLE_METHOD_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethodClass)) #define GST_DEINTERLACE_SIMPLE_METHOD(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethod)) #define GST_DEINTERLACE_SIMPLE_METHOD_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_SIMPLE_METHOD, GstDeinterlaceSimpleMethodClass)) #define GST_DEINTERLACE_SIMPLE_METHOD_CAST(obj) ((GstDeinterlaceSimpleMethod*)(obj)) typedef struct _GstDeinterlaceSimpleMethod GstDeinterlaceSimpleMethod; typedef struct _GstDeinterlaceSimpleMethodClass GstDeinterlaceSimpleMethodClass; typedef struct _GstDeinterlaceScanlineData GstDeinterlaceScanlineData; /* * This structure defines the simple deinterlacer plugin. */ struct _GstDeinterlaceScanlineData { guint8 *tt0, *t0, *m0, *b0, *bb0; guint8 *tt1, *t1, *m1, *b1, *bb1; guint8 *tt2, *t2, *m2, *b2, *bb2; guint8 *tt3, *t3, *m3, *b3, *bb3; gboolean bottom_field; }; /** * For interpolate_scanline the input is: * * | t-3 t-2 t-1 t * | Field 3 | Field 2 | Field 1 | Field 0 | * | TT3 | | TT1 | | * | | T2 | | T0 | * | M3 | | M1 | | * | | B2 | | B0 | * | BB3 | | BB1 | | * * For copy_scanline the input is: * * | t-3 t-2 t-1 t * | Field 3 | Field 2 | Field 1 | Field 0 | * | | TT2 | | TT0 | * | T3 | | T1 | | * | | M2 | | M0 | * | B3 | | B1 | | * | | BB2 | | BB0 | * * All other values are NULL. */ struct _GstDeinterlaceSimpleMethod { GstDeinterlaceMethod parent; }; struct _GstDeinterlaceSimpleMethodClass { GstDeinterlaceMethodClass parent_class; void (*interpolate_scanline) (GstDeinterlaceMethod *self, GstDeinterlace2 * parent, guint8 *out, GstDeinterlaceScanlineData *scanlines, gint width); void (*copy_scanline) (GstDeinterlaceMethod *self, GstDeinterlace2 * parent, guint8 *out, GstDeinterlaceScanlineData *scanlines, gint width); }; GType gst_deinterlace_simple_method_get_type (void); #define MAX_FIELD_HISTORY 10 #define PICTURE_PROGRESSIVE 0 #define PICTURE_INTERLACED_BOTTOM 1 #define PICTURE_INTERLACED_TOP 2 #define PICTURE_INTERLACED_MASK (PICTURE_INTERLACED_BOTTOM | PICTURE_INTERLACED_TOP) typedef struct { /* pointer to the start of data for this field */ GstBuffer *buf; /* see PICTURE_ flags */ guint flags; } GstPicture; typedef enum { GST_DEINTERLACE2_TOMSMOCOMP, GST_DEINTERLACE2_GREEDY_H, GST_DEINTERLACE2_GREEDY_L, GST_DEINTERLACE2_VFIR, GST_DEINTERLACE2_LINEAR, GST_DEINTERLACE2_LINEAR_BLEND, GST_DEINTERLACE2_SCALER_BOB, GST_DEINTERLACE2_WEAVE, GST_DEINTERLACE2_WEAVE_TFF, GST_DEINTERLACE2_WEAVE_BFF } GstDeinterlace2Methods; typedef enum { GST_DEINTERLACE2_ALL, /* All (missing data is interp.) */ GST_DEINTERLACE2_TF, /* Top Fields Only */ GST_DEINTERLACE2_BF /* Bottom Fields Only */ } GstDeinterlace2Fields; typedef enum { GST_DEINTERLACE2_LAYOUT_AUTO, GST_DEINTERLACE2_LAYOUT_TFF, GST_DEINTERLACE2_LAYOUT_BFF } GstDeinterlace2FieldLayout; struct _GstDeinterlace2 { GstElement parent; GstPad *srcpad, *sinkpad; guint history_count; GstDeinterlace2FieldLayout field_layout; guint frame_size; gint frame_rate_n, frame_rate_d; /* Duration of one field */ GstClockTime field_duration; GstDeinterlace2Fields fields; GstDeinterlace2Methods method_id; GstDeinterlaceMethod *method; /* 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. */ GstPicture field_history[MAX_FIELD_HISTORY]; /* Current overlay buffer pointer. */ GstBuffer *out_buf; /* Overlay pitch (number of bytes between scanlines). */ guint output_stride; /* Number of bytes of actual data in each scanline. May be less than OverlayPitch since the overlay's scanlines might have alignment requirements. Generally equal to FrameWidth * 2. */ guint line_length; /* Number of pixels in each scanline. */ gint frame_width; /* Number of scanlines per frame. */ gint frame_height; /* Number of scanlines per field. FrameHeight / 2, mostly for cleanliness so we don't have to keep dividing FrameHeight by 2. */ gint field_height; /* distance between lines in image need not match the pixel width */ guint field_stride; }; struct _GstDeinterlace2Class { GstElementClass parent_class; }; GType gst_deinterlace2_get_type (void); G_END_DECLS #endif /* __GST_DEINTERLACE_2_H__ */