1 /*
2 *
3 * GStreamer
4 * Copyright (C) 2004 Billy Biggs <vektor@dumbterm.net>
5 * Copyright (c) 2001, 2002, 2003 Fabrice Bellard.
6 * Copyright (C) 2008,2010 Sebastian Dröge <slomo@collabora.co.uk>
7 *
8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either
11 * version 2 of the License, or (at your option) any later version.
12 *
13 * This library is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
16 * Library General Public License for more details.
17 *
18 * You should have received a copy of the GNU Library General Public
19 * License along with this library; if not, write to the
20 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
21 * Boston, MA 02110-1301, USA.
22 */
23
24 /*
25 * This file contains code from ffmpeg, see http://ffmpeg.org/ (LGPL)
26 * and modifications by Billy Biggs.
27 *
28 * Relicensed for GStreamer from GPL to LGPL with permit from Billy Biggs.
29 * See: http://bugzilla.gnome.org/show_bug.cgi?id=163578
30 */
31
32 #ifdef HAVE_CONFIG_H
33 # include "config.h"
34 #endif
35
36 #include "gstdeinterlacemethod.h"
37 #include <string.h>
38 #ifdef HAVE_ORC
39 #include <orc/orc.h>
40 #endif
41 #include "tvtime.h"
42
43 #define GST_TYPE_DEINTERLACE_METHOD_VFIR (gst_deinterlace_method_vfir_get_type ())
44 #define GST_IS_DEINTERLACE_METHOD_VFIR(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_DEINTERLACE_METHOD_VFIR))
45 #define GST_IS_DEINTERLACE_METHOD_VFIR_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_DEINTERLACE_METHOD_VFIR))
46 #define GST_DEINTERLACE_METHOD_VFIR_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_DEINTERLACE_METHOD_VFIR, GstDeinterlaceMethodVFIRClass))
47 #define GST_DEINTERLACE_METHOD_VFIR(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_DEINTERLACE_METHOD_VFIR, GstDeinterlaceMethodVFIR))
48 #define GST_DEINTERLACE_METHOD_VFIR_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_DEINTERLACE_METHOD_VFIR, GstDeinterlaceMethodVFIRClass))
49 #define GST_DEINTERLACE_METHOD_VFIR_CAST(obj) ((GstDeinterlaceMethodVFIR*)(obj))
50
51 GType gst_deinterlace_method_vfir_get_type (void);
52
53 typedef GstDeinterlaceSimpleMethod GstDeinterlaceMethodVFIR;
54
55 typedef GstDeinterlaceSimpleMethodClass GstDeinterlaceMethodVFIRClass;
56
57 /*
58 * The MPEG2 spec uses a slightly harsher filter, they specify
59 * [-1 8 2 8 -1]. ffmpeg uses a similar filter but with more of
60 * a tendency to blur than to use the local information. The
61 * filter taps here are: [-1 4 2 4 -1].
62 */
63
64 /*
65 * C implementation.
66 */
67 static inline void
deinterlace_c(guint8 * dst,const guint8 * lum_m4,const guint8 * lum_m3,const guint8 * lum_m2,const guint8 * lum_m1,const guint8 * lum,gint size)68 deinterlace_c (guint8 * dst, const guint8 * lum_m4, const guint8 * lum_m3,
69 const guint8 * lum_m2, const guint8 * lum_m1, const guint8 * lum, gint size)
70 {
71 if (lum_m2 == NULL) {
72 deinterlace_line_linear (dst, lum_m1, lum_m3, size);
73 } else {
74 deinterlace_line_vfir (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
75 }
76 }
77
78 static void
deinterlace_line_packed_c(GstDeinterlaceSimpleMethod * self,guint8 * dst,const GstDeinterlaceScanlineData * scanlines,guint size)79 deinterlace_line_packed_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
80 const GstDeinterlaceScanlineData * scanlines, guint size)
81 {
82 const guint8 *lum_m4 = scanlines->tt1;
83 const guint8 *lum_m3 = scanlines->t0;
84 const guint8 *lum_m2 = scanlines->m1;
85 const guint8 *lum_m1 = scanlines->b0;
86 const guint8 *lum = scanlines->bb1;
87
88 deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
89 }
90
91 static void
deinterlace_line_planar_y_c(GstDeinterlaceSimpleMethod * self,guint8 * dst,const GstDeinterlaceScanlineData * scanlines,guint size)92 deinterlace_line_planar_y_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
93 const GstDeinterlaceScanlineData * scanlines, guint size)
94 {
95 const guint8 *lum_m4 = scanlines->tt1;
96 const guint8 *lum_m3 = scanlines->t0;
97 const guint8 *lum_m2 = scanlines->m1;
98 const guint8 *lum_m1 = scanlines->b0;
99 const guint8 *lum = scanlines->bb1;
100
101 deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
102 }
103
104 static void
deinterlace_line_planar_u_c(GstDeinterlaceSimpleMethod * self,guint8 * dst,const GstDeinterlaceScanlineData * scanlines,guint size)105 deinterlace_line_planar_u_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
106 const GstDeinterlaceScanlineData * scanlines, guint size)
107 {
108 const guint8 *lum_m4 = scanlines->tt1;
109 const guint8 *lum_m3 = scanlines->t0;
110 const guint8 *lum_m2 = scanlines->m1;
111 const guint8 *lum_m1 = scanlines->b0;
112 const guint8 *lum = scanlines->bb1;
113
114 deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
115 }
116
117 static void
deinterlace_line_planar_v_c(GstDeinterlaceSimpleMethod * self,guint8 * dst,const GstDeinterlaceScanlineData * scanlines,guint size)118 deinterlace_line_planar_v_c (GstDeinterlaceSimpleMethod * self, guint8 * dst,
119 const GstDeinterlaceScanlineData * scanlines, guint size)
120 {
121 const guint8 *lum_m4 = scanlines->tt1;
122 const guint8 *lum_m3 = scanlines->t0;
123 const guint8 *lum_m2 = scanlines->m1;
124 const guint8 *lum_m1 = scanlines->b0;
125 const guint8 *lum = scanlines->bb1;
126
127 deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
128 }
129
130 #undef BUILD_X86_ASM
131
132 #ifdef BUILD_X86_ASM
133 #include "mmx.h"
134 static void
deinterlace_mmx(guint8 * dst,const guint8 * lum_m4,const guint8 * lum_m3,const guint8 * lum_m2,const guint8 * lum_m1,const guint8 * lum,gint size)135 deinterlace_mmx (guint8 * dst, const guint8 * lum_m4, const guint8 * lum_m3,
136 const guint8 * lum_m2, const guint8 * lum_m1, const guint8 * lum, gint size)
137 {
138 mmx_t rounder;
139
140 rounder.uw[0] = 4;
141 rounder.uw[1] = 4;
142 rounder.uw[2] = 4;
143 rounder.uw[3] = 4;
144 pxor_r2r (mm7, mm7);
145 movq_m2r (rounder, mm6);
146
147 for (; size > 3; size -= 4) {
148 movd_m2r (*lum_m4, mm0);
149 movd_m2r (*lum_m3, mm1);
150 movd_m2r (*lum_m2, mm2);
151 movd_m2r (*lum_m1, mm3);
152 movd_m2r (*lum, mm4);
153 punpcklbw_r2r (mm7, mm0);
154 punpcklbw_r2r (mm7, mm1);
155 punpcklbw_r2r (mm7, mm2);
156 punpcklbw_r2r (mm7, mm3);
157 punpcklbw_r2r (mm7, mm4);
158 paddw_r2r (mm3, mm1);
159 psllw_i2r (1, mm2);
160 paddw_r2r (mm4, mm0);
161 psllw_i2r (2, mm1); // 2
162 paddw_r2r (mm6, mm2);
163 paddw_r2r (mm2, mm1);
164 psubusw_r2r (mm0, mm1);
165 psrlw_i2r (3, mm1); // 3
166 packuswb_r2r (mm7, mm1);
167 movd_r2m (mm1, *dst);
168 lum_m4 += 4;
169 lum_m3 += 4;
170 lum_m2 += 4;
171 lum_m1 += 4;
172 lum += 4;
173 dst += 4;
174 }
175 emms ();
176
177 /* Handle odd widths */
178 if (size > 0)
179 deinterlace_c (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
180 }
181
182 static void
deinterlace_line_packed_mmx(GstDeinterlaceSimpleMethod * self,guint8 * dst,const GstDeinterlaceScanlineData * scanlines)183 deinterlace_line_packed_mmx (GstDeinterlaceSimpleMethod * self, guint8 * dst,
184 const GstDeinterlaceScanlineData * scanlines)
185 {
186 const guint8 *lum_m4 = scanlines->tt1;
187 const guint8 *lum_m3 = scanlines->t0;
188 const guint8 *lum_m2 = scanlines->m1;
189 const guint8 *lum_m1 = scanlines->b0;
190 const guint8 *lum = scanlines->bb1;
191 gint size = self->parent.row_stride[0];
192
193 deinterlace_mmx (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
194 }
195
196 static void
deinterlace_line_planar_y_mmx(GstDeinterlaceSimpleMethod * self,guint8 * dst,const GstDeinterlaceScanlineData * scanlines)197 deinterlace_line_planar_y_mmx (GstDeinterlaceSimpleMethod * self, guint8 * dst,
198 const GstDeinterlaceScanlineData * scanlines)
199 {
200 const guint8 *lum_m4 = scanlines->tt1;
201 const guint8 *lum_m3 = scanlines->t0;
202 const guint8 *lum_m2 = scanlines->m1;
203 const guint8 *lum_m1 = scanlines->b0;
204 const guint8 *lum = scanlines->bb1;
205 gint size = self->parent.row_stride[0];
206
207 deinterlace_mmx (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
208 }
209
210 static void
deinterlace_line_planar_u_mmx(GstDeinterlaceSimpleMethod * self,guint8 * dst,const GstDeinterlaceScanlineData * scanlines)211 deinterlace_line_planar_u_mmx (GstDeinterlaceSimpleMethod * self, guint8 * dst,
212 const GstDeinterlaceScanlineData * scanlines)
213 {
214 const guint8 *lum_m4 = scanlines->tt1;
215 const guint8 *lum_m3 = scanlines->t0;
216 const guint8 *lum_m2 = scanlines->m1;
217 const guint8 *lum_m1 = scanlines->b0;
218 const guint8 *lum = scanlines->bb1;
219 gint size = self->parent.row_stride[1];
220
221 deinterlace_mmx (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
222 }
223
224 static void
deinterlace_line_planar_v_mmx(GstDeinterlaceSimpleMethod * self,guint8 * dst,const GstDeinterlaceScanlineData * scanlines)225 deinterlace_line_planar_v_mmx (GstDeinterlaceSimpleMethod * self, guint8 * dst,
226 const GstDeinterlaceScanlineData * scanlines)
227 {
228 const guint8 *lum_m4 = scanlines->tt1;
229 const guint8 *lum_m3 = scanlines->t0;
230 const guint8 *lum_m2 = scanlines->m1;
231 const guint8 *lum_m1 = scanlines->b0;
232 const guint8 *lum = scanlines->bb1;
233 gint size = self->parent.row_stride[2];
234
235 deinterlace_mmx (dst, lum_m4, lum_m3, lum_m2, lum_m1, lum, size);
236 }
237 #endif
238
239 G_DEFINE_TYPE (GstDeinterlaceMethodVFIR, gst_deinterlace_method_vfir,
240 GST_TYPE_DEINTERLACE_SIMPLE_METHOD);
241
242 static void
gst_deinterlace_method_vfir_class_init(GstDeinterlaceMethodVFIRClass * klass)243 gst_deinterlace_method_vfir_class_init (GstDeinterlaceMethodVFIRClass * klass)
244 {
245 GstDeinterlaceMethodClass *dim_class = (GstDeinterlaceMethodClass *) klass;
246 GstDeinterlaceSimpleMethodClass *dism_class =
247 (GstDeinterlaceSimpleMethodClass *) klass;
248 #ifdef BUILD_X86_ASM
249 guint cpu_flags =
250 orc_target_get_default_flags (orc_target_get_by_name ("mmx"));
251 #endif
252
253 dim_class->fields_required = 2;
254 dim_class->name = "Blur Vertical";
255 dim_class->nick = "vfir";
256 dim_class->latency = 1;
257
258 #ifdef BUILD_X86_ASM
259 if (cpu_flags & ORC_TARGET_MMX_MMX) {
260 dism_class->interpolate_scanline_ayuv = deinterlace_line_packed_mmx;
261 dism_class->interpolate_scanline_yuy2 = deinterlace_line_packed_mmx;
262 dism_class->interpolate_scanline_yvyu = deinterlace_line_packed_mmx;
263 dism_class->interpolate_scanline_uyvy = deinterlace_line_packed_mmx;
264 dism_class->interpolate_scanline_nv12 = deinterlace_line_packed_mmx;
265 dism_class->interpolate_scanline_nv21 = deinterlace_line_packed_mmx;
266 dism_class->interpolate_scanline_argb = deinterlace_line_packed_mmx;
267 dism_class->interpolate_scanline_abgr = deinterlace_line_packed_mmx;
268 dism_class->interpolate_scanline_rgba = deinterlace_line_packed_mmx;
269 dism_class->interpolate_scanline_bgra = deinterlace_line_packed_mmx;
270 dism_class->interpolate_scanline_rgb = deinterlace_line_packed_mmx;
271 dism_class->interpolate_scanline_bgr = deinterlace_line_packed_mmx;
272 dism_class->interpolate_scanline_planar_y = deinterlace_line_planar_y_mmx;
273 dism_class->interpolate_scanline_planar_u = deinterlace_line_planar_u_mmx;
274 dism_class->interpolate_scanline_planar_v = deinterlace_line_planar_v_mmx;
275 } else {
276 dism_class->interpolate_scanline_yuy2 = deinterlace_line_packed_c;
277 dism_class->interpolate_scanline_yvyu = deinterlace_line_packed_c;
278 dism_class->interpolate_scanline_uyvy = deinterlace_line_packed_c;
279 dism_class->interpolate_scanline_ayuv = deinterlace_line_packed_c;
280 dism_class->interpolate_scanline_nv12 = deinterlace_line_packed_c;
281 dism_class->interpolate_scanline_nv21 = deinterlace_line_packed_c;
282 dism_class->interpolate_scanline_argb = deinterlace_line_packed_c;
283 dism_class->interpolate_scanline_abgr = deinterlace_line_packed_c;
284 dism_class->interpolate_scanline_rgba = deinterlace_line_packed_c;
285 dism_class->interpolate_scanline_bgra = deinterlace_line_packed_c;
286 dism_class->interpolate_scanline_rgb = deinterlace_line_packed_c;
287 dism_class->interpolate_scanline_bgr = deinterlace_line_packed_c;
288 dism_class->interpolate_scanline_planar_y = deinterlace_line_planar_y_c;
289 dism_class->interpolate_scanline_planar_u = deinterlace_line_planar_u_c;
290 dism_class->interpolate_scanline_planar_v = deinterlace_line_planar_v_c;
291 }
292 #else
293 dism_class->interpolate_scanline_ayuv = deinterlace_line_packed_c;
294 dism_class->interpolate_scanline_yuy2 = deinterlace_line_packed_c;
295 dism_class->interpolate_scanline_yvyu = deinterlace_line_packed_c;
296 dism_class->interpolate_scanline_uyvy = deinterlace_line_packed_c;
297 dism_class->interpolate_scanline_nv12 = deinterlace_line_packed_c;
298 dism_class->interpolate_scanline_nv21 = deinterlace_line_packed_c;
299 dism_class->interpolate_scanline_argb = deinterlace_line_packed_c;
300 dism_class->interpolate_scanline_abgr = deinterlace_line_packed_c;
301 dism_class->interpolate_scanline_rgba = deinterlace_line_packed_c;
302 dism_class->interpolate_scanline_bgra = deinterlace_line_packed_c;
303 dism_class->interpolate_scanline_rgb = deinterlace_line_packed_c;
304 dism_class->interpolate_scanline_bgr = deinterlace_line_packed_c;
305 dism_class->interpolate_scanline_planar_y = deinterlace_line_planar_y_c;
306 dism_class->interpolate_scanline_planar_u = deinterlace_line_planar_u_c;
307 dism_class->interpolate_scanline_planar_v = deinterlace_line_planar_v_c;
308 #endif
309 }
310
311 static void
gst_deinterlace_method_vfir_init(GstDeinterlaceMethodVFIR * self)312 gst_deinterlace_method_vfir_init (GstDeinterlaceMethodVFIR * self)
313 {
314 }
315