/** * Linear blend deinterlacing plugin. The idea for this algorithm came * from the linear blend deinterlacer which originated in the mplayer * sources. * * Copyright (C) 2002 Billy Biggs . * Copyright (C) 2008,2010 Sebastian Dröge * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser 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. */ /* * Relicensed for GStreamer from GPL to LGPL with permit from Billy Biggs. * See: http://bugzilla.gnome.org/show_bug.cgi?id=163578 */ #ifdef HAVE_CONFIG_H # include "config.h" #endif #include "gstdeinterlacemethod.h" #include #define GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND (gst_deinterlace_method_linear_blend_get_type ()) #define GST_IS_DEINTERLACE_METHOD_LINEAR_BLEND(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND)) #define GST_IS_DEINTERLACE_METHOD_LINEAR_BLEND_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND)) #define GST_DEINTERLACE_METHOD_LINEAR_BLEND_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlendClass)) #define GST_DEINTERLACE_METHOD_LINEAR_BLEND(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlend)) #define GST_DEINTERLACE_METHOD_LINEAR_BLEND_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_LINEAR_BLEND, GstDeinterlaceMethodLinearBlendClass)) #define GST_DEINTERLACE_METHOD_LINEAR_BLEND_CAST(obj) ((GstDeinterlaceMethodLinearBlend*)(obj)) GType gst_deinterlace_method_linear_blend_get_type (void); typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodLinearBlend; typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodLinearBlendClass; static inline void deinterlace_scanline_linear_blend_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const guint8 * t0, const guint8 * b0, const guint8 * m1, gint size) { while (size--) { *out++ = (*t0++ + *b0++ + (*m1++ << 1)) >> 2; } } static void deinterlace_scanline_linear_blend_packed_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0, scanlines->m1, self->parent.row_stride[0]); } static void deinterlace_scanline_linear_blend_planar_y_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0, scanlines->m1, self->parent.row_stride[0]); } static void deinterlace_scanline_linear_blend_planar_u_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0, scanlines->m1, self->parent.row_stride[1]); } static void deinterlace_scanline_linear_blend_planar_v_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend_c (self, out, scanlines->t0, scanlines->b0, scanlines->m1, self->parent.row_stride[2]); } static inline void deinterlace_scanline_linear_blend2_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const guint8 * m0, const guint8 * t1, const guint8 * b1, gint size) { while (size--) { *out++ = (*t1++ + *b1++ + (*m0++ << 1)) >> 2; } } static void deinterlace_scanline_linear_blend2_packed_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1, scanlines->b1, self->parent.row_stride[0]); } static void deinterlace_scanline_linear_blend2_planar_y_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1, scanlines->b1, self->parent.row_stride[0]); } static void deinterlace_scanline_linear_blend2_planar_u_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1, scanlines->b1, self->parent.row_stride[1]); } static void deinterlace_scanline_linear_blend2_planar_v_c (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend2_c (self, out, scanlines->m0, scanlines->t1, scanlines->b1, self->parent.row_stride[2]); } #ifdef BUILD_X86_ASM #include "mmx.h" static inline void deinterlace_scanline_linear_blend_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const guint8 * t0, const guint8 * b0, const guint8 * m1, gint size) { gint i; i = size / 8; size -= i * 8; pxor_r2r (mm7, mm7); while (i--) { movd_m2r (*t0, mm0); movd_m2r (*b0, mm1); movd_m2r (*m1, mm2); movd_m2r (*(t0 + 4), mm3); movd_m2r (*(b0 + 4), mm4); movd_m2r (*(m1 + 4), mm5); punpcklbw_r2r (mm7, mm0); punpcklbw_r2r (mm7, mm1); punpcklbw_r2r (mm7, mm2); punpcklbw_r2r (mm7, mm3); punpcklbw_r2r (mm7, mm4); punpcklbw_r2r (mm7, mm5); psllw_i2r (1, mm2); psllw_i2r (1, mm5); paddw_r2r (mm0, mm2); paddw_r2r (mm3, mm5); paddw_r2r (mm1, mm2); paddw_r2r (mm4, mm5); psrlw_i2r (2, mm2); psrlw_i2r (2, mm5); packuswb_r2r (mm2, mm2); packuswb_r2r (mm5, mm5); movd_r2m (mm2, *out); movd_r2m (mm5, *(out + 4)); out += 8; t0 += 8; b0 += 8; m1 += 8; } emms (); while (size--) { *out++ = (*t0++ + *b0++ + (*m1++ << 1)) >> 2; } } static void deinterlace_scanline_linear_blend_packed_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend_mmx (self, out, scanlines->t0, scanlines->b0, scanlines->m1, self->parent.row_stride[0]); } static void deinterlace_scanline_linear_blend_planar_y_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend_mmx (self, out, scanlines->t0, scanlines->b0, scanlines->m1, self->parent.row_stride[0]); } static void deinterlace_scanline_linear_blend_planar_u_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend_mmx (self, out, scanlines->t0, scanlines->b0, scanlines->m1, self->parent.row_stride[1]); } static void deinterlace_scanline_linear_blend_planar_v_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend_mmx (self, out, scanlines->t0, scanlines->b0, scanlines->m1, self->parent.row_stride[2]); } static inline void deinterlace_scanline_linear_blend2_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const guint8 * m0, const guint8 * t1, const guint8 * b1, gint size) { gint i; i = size / 8; size -= i * 8; pxor_r2r (mm7, mm7); while (i--) { movd_m2r (*t1, mm0); movd_m2r (*b1, mm1); movd_m2r (*m0, mm2); movd_m2r (*(t1 + 4), mm3); movd_m2r (*(b1 + 4), mm4); movd_m2r (*(m0 + 4), mm5); punpcklbw_r2r (mm7, mm0); punpcklbw_r2r (mm7, mm1); punpcklbw_r2r (mm7, mm2); punpcklbw_r2r (mm7, mm3); punpcklbw_r2r (mm7, mm4); punpcklbw_r2r (mm7, mm5); psllw_i2r (1, mm2); psllw_i2r (1, mm5); paddw_r2r (mm0, mm2); paddw_r2r (mm3, mm5); paddw_r2r (mm1, mm2); paddw_r2r (mm4, mm5); psrlw_i2r (2, mm2); psrlw_i2r (2, mm5); packuswb_r2r (mm2, mm2); packuswb_r2r (mm5, mm5); movd_r2m (mm2, *out); movd_r2m (mm5, *(out + 4)); out += 8; t1 += 8; b1 += 8; m0 += 8; } emms (); while (size--) { *out++ = (*t1++ + *b1++ + (*m0++ << 1)) >> 2; } } static void deinterlace_scanline_linear_blend2_packed_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend2_mmx (self, out, scanlines->m0, scanlines->t1, scanlines->b1, self->parent.row_stride[0]); } static void deinterlace_scanline_linear_blend2_planar_y_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend2_mmx (self, out, scanlines->m0, scanlines->t1, scanlines->b1, self->parent.row_stride[0]); } static void deinterlace_scanline_linear_blend2_planar_u_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend2_mmx (self, out, scanlines->m0, scanlines->t1, scanlines->b1, self->parent.row_stride[1]); } static void deinterlace_scanline_linear_blend2_planar_v_mmx (GstDeinterlaceSimpleMethod * self, guint8 * out, const GstDeinterlaceScanlineData * scanlines) { deinterlace_scanline_linear_blend2_mmx (self, out, scanlines->m0, scanlines->t1, scanlines->b1, self->parent.row_stride[2]); } #endif G_DEFINE_TYPE (GstDeinterlaceMethodLinearBlend, gst_deinterlace_method_linear_blend, GST_TYPE_DEINTERLACE_SIMPLE_METHOD); static void gst_deinterlace_method_linear_blend_class_init (GstDeinterlaceMethodLinearBlendClass * klass) { GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass; GstDeinterlaceSimpleMethodClass *dism_class = (GstDeinterlaceSimpleMethodClass *) klass; #ifdef BUILD_X86_ASM guint cpu_flags = oil_cpu_get_flags (); #endif dim_class->fields_required = 2; dim_class->name = "Blur: Temporal"; dim_class->nick = "linearblend"; dim_class->latency = 0; dism_class->interpolate_scanline_yuy2 = deinterlace_scanline_linear_blend_packed_c; dism_class->interpolate_scanline_yvyu = deinterlace_scanline_linear_blend_packed_c; dism_class->interpolate_scanline_planar_y = deinterlace_scanline_linear_blend_planar_y_c; dism_class->interpolate_scanline_planar_u = deinterlace_scanline_linear_blend_planar_u_c; dism_class->interpolate_scanline_planar_v = deinterlace_scanline_linear_blend_planar_v_c; dism_class->copy_scanline_yuy2 = deinterlace_scanline_linear_blend2_packed_c; dism_class->copy_scanline_yvyu = deinterlace_scanline_linear_blend2_packed_c; dism_class->copy_scanline_planar_y = deinterlace_scanline_linear_blend2_planar_y_c; dism_class->copy_scanline_planar_u = deinterlace_scanline_linear_blend2_planar_u_c; dism_class->copy_scanline_planar_v = deinterlace_scanline_linear_blend2_planar_v_c; #ifdef BUILD_X86_ASM if (cpu_flags & OIL_IMPL_FLAG_MMX) { dism_class->interpolate_scanline_yuy2 = deinterlace_scanline_linear_blend_packed_mmx; dism_class->interpolate_scanline_yvyu = deinterlace_scanline_linear_blend_packed_mmx; dism_class->interpolate_scanline_planar_y = deinterlace_scanline_linear_blend_planar_y_mmx; dism_class->interpolate_scanline_planar_u = deinterlace_scanline_linear_blend_planar_u_mmx; dism_class->interpolate_scanline_planar_v = deinterlace_scanline_linear_blend_planar_v_mmx; dism_class->copy_scanline_yuy2 = deinterlace_scanline_linear_blend2_packed_mmx; dism_class->copy_scanline_yvyu = deinterlace_scanline_linear_blend2_packed_mmx; dism_class->copy_scanline_planar_y = deinterlace_scanline_linear_blend2_planar_y_mmx; dism_class->copy_scanline_planar_u = deinterlace_scanline_linear_blend2_planar_u_mmx; dism_class->copy_scanline_planar_v = deinterlace_scanline_linear_blend2_planar_v_mmx; } #endif } static void gst_deinterlace_method_linear_blend_init (GstDeinterlaceMethodLinearBlend * self) { }