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Use MSGT_DECVIDEO in a video decoder.
[mplayer/glamo.git] / libmpcodecs / vf_kerndeint.c
blobc6fb389f3a0844ee576f4f3333c13eb6e0363853
1 /*
2 * Original AVISynth Filter Copyright (C) 2003 Donald A. Graft
3 * Adapted to MPlayer by Tobias Diedrich
4 *
5 * This file is part of MPlayer.
6 *
7 * MPlayer is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * MPlayer is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License along
18 * with MPlayer; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20 */
21
22 #include <stdio.h>
23 #include <stdlib.h>
24 #include <string.h>
25 #include <inttypes.h>
26 #include <math.h>
27
28 #include "mp_msg.h"
29 #include "img_format.h"
30 #include "mp_image.h"
31 #include "vf.h"
32 #include "libvo/fastmemcpy.h"
33
34 //===========================================================================//
35
36 struct vf_priv_s {
37 int frame;
38 int map;
39 int order;
40 int thresh;
41 int sharp;
42 int twoway;
43 int do_deinterlace;
44 };
45
46
47 /***************************************************************************/
48
49
50 static int config(struct vf_instance *vf,
51 int width, int height, int d_width, int d_height,
52 unsigned int flags, unsigned int outfmt){
53
54 return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
55 }
56
57
58 static void uninit(struct vf_instance *vf)
59 {
60 free(vf->priv);
61 }
62
63 static inline int IsRGB(mp_image_t *mpi)
64 {
65 return mpi->imgfmt == IMGFMT_RGB;
66 }
67
68 static inline int IsYUY2(mp_image_t *mpi)
69 {
70 return mpi->imgfmt == IMGFMT_YUY2;
71 }
72
73 #define PLANAR_Y 0
74 #define PLANAR_U 1
75 #define PLANAR_V 2
76
77 static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
78 int cw= mpi->w >> mpi->chroma_x_shift;
79 int ch= mpi->h >> mpi->chroma_y_shift;
80 int W = mpi->w, H = mpi->h;
81 const unsigned char *prvp, *prvpp, *prvpn, *prvpnn, *prvppp, *prvp4p, *prvp4n;
82 const unsigned char *srcp_saved;
83 const unsigned char *srcp, *srcpp, *srcpn, *srcpnn, *srcppp, *srcp3p, *srcp3n, *srcp4p, *srcp4n;
84 unsigned char *dstp, *dstp_saved;
85 int src_pitch;
86 int psrc_pitch;
87 int dst_pitch;
88 int x, y, z;
89 int n = vf->priv->frame++;
90 int val, hi, lo, w, h;
91 double valf;
92 int plane;
93 int threshold = vf->priv->thresh;
94 int order = vf->priv->order;
95 int map = vf->priv->map;
96 int sharp = vf->priv->sharp;
97 int twoway = vf->priv->twoway;
98 mp_image_t *dmpi, *pmpi;
99
100 if(!vf->priv->do_deinterlace)
101 return vf_next_put_image(vf, mpi, pts);
102
103 dmpi=vf_get_image(vf->next,mpi->imgfmt,
104 MP_IMGTYPE_IP, MP_IMGFLAG_ACCEPT_STRIDE,
105 mpi->w,mpi->h);
106 pmpi=vf_get_image(vf->next,mpi->imgfmt,
107 MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
108 mpi->w,mpi->h);
109 if(!dmpi) return 0;
110
111 for (z=0; z<mpi->num_planes; z++) {
112 if (z == 0) plane = PLANAR_Y;
113 else if (z == 1) plane = PLANAR_U;
114 else plane = PLANAR_V;
115
116 h = plane == PLANAR_Y ? H : ch;
117 w = plane == PLANAR_Y ? W : cw;
118
119 srcp = srcp_saved = mpi->planes[z];
120 src_pitch = mpi->stride[z];
121 psrc_pitch = pmpi->stride[z];
122 dstp = dstp_saved = dmpi->planes[z];
123 dst_pitch = dmpi->stride[z];
124 srcp = srcp_saved + (1-order) * src_pitch;
125 dstp = dstp_saved + (1-order) * dst_pitch;
126
127 for (y=0; y<h; y+=2) {
128 fast_memcpy(dstp, srcp, w);
129 srcp += 2*src_pitch;
130 dstp += 2*dst_pitch;
131 }
132
133 // Copy through the lines that will be missed below.
134 fast_memcpy(dstp_saved + order*dst_pitch, srcp_saved + (1-order)*src_pitch, w);
135 fast_memcpy(dstp_saved + (2+order)*dst_pitch, srcp_saved + (3-order)*src_pitch, w);
136 fast_memcpy(dstp_saved + (h-2+order)*dst_pitch, srcp_saved + (h-1-order)*src_pitch, w);
137 fast_memcpy(dstp_saved + (h-4+order)*dst_pitch, srcp_saved + (h-3-order)*src_pitch, w);
138 /* For the other field choose adaptively between using the previous field
139 or the interpolant from the current field. */
140
141 prvp = pmpi->planes[z] + 5*psrc_pitch - (1-order)*psrc_pitch;
142 prvpp = prvp - psrc_pitch;
143 prvppp = prvp - 2*psrc_pitch;
144 prvp4p = prvp - 4*psrc_pitch;
145 prvpn = prvp + psrc_pitch;
146 prvpnn = prvp + 2*psrc_pitch;
147 prvp4n = prvp + 4*psrc_pitch;
148 srcp = srcp_saved + 5*src_pitch - (1-order)*src_pitch;
149 srcpp = srcp - src_pitch;
150 srcppp = srcp - 2*src_pitch;
151 srcp3p = srcp - 3*src_pitch;
152 srcp4p = srcp - 4*src_pitch;
153 srcpn = srcp + src_pitch;
154 srcpnn = srcp + 2*src_pitch;
155 srcp3n = srcp + 3*src_pitch;
156 srcp4n = srcp + 4*src_pitch;
157 dstp = dstp_saved + 5*dst_pitch - (1-order)*dst_pitch;
158 for (y = 5 - (1-order); y <= h - 5 - (1-order); y+=2)
159 {
160 for (x = 0; x < w; x++)
161 {
162 if ((threshold == 0) || (n == 0) ||
163 (abs((int)prvp[x] - (int)srcp[x]) > threshold) ||
164 (abs((int)prvpp[x] - (int)srcpp[x]) > threshold) ||
165 (abs((int)prvpn[x] - (int)srcpn[x]) > threshold))
166 {
167 if (map == 1)
168 {
169 int g = x & ~3;
170 if (IsRGB(mpi) == 1)
171 {
172 dstp[g++] = 255;
173 dstp[g++] = 255;
174 dstp[g++] = 255;
175 dstp[g] = 255;
176 x = g;
177 }
178 else if (IsYUY2(mpi) == 1)
179 {
180 dstp[g++] = 235;
181 dstp[g++] = 128;
182 dstp[g++] = 235;
183 dstp[g] = 128;
184 x = g;
185 }
186 else
187 {
188 if (plane == PLANAR_Y) dstp[x] = 235;
189 else dstp[x] = 128;
190 }
191 }
192 else
193 {
194 if (IsRGB(mpi))
195 {
196 hi = 255;
197 lo = 0;
198 }
199 else if (IsYUY2(mpi))
200 {
201 hi = (x & 1) ? 240 : 235;
202 lo = 16;
203 }
204 else
205 {
206 hi = (plane == PLANAR_Y) ? 235 : 240;
207 lo = 16;
208 }
209
210 if (sharp == 1)
211 {
212 if (twoway == 1)
213 valf = + 0.526*((int)srcpp[x] + (int)srcpn[x])
214 + 0.170*((int)srcp[x] + (int)prvp[x])
215 - 0.116*((int)srcppp[x] + (int)srcpnn[x] + (int)prvppp[x] + (int)prvpnn[x])
216 - 0.026*((int)srcp3p[x] + (int)srcp3n[x])
217 + 0.031*((int)srcp4p[x] + (int)srcp4n[x] + (int)prvp4p[x] + (int)prvp4n[x]);
218 else
219 valf = + 0.526*((int)srcpp[x] + (int)srcpn[x])
220 + 0.170*((int)prvp[x])
221 - 0.116*((int)prvppp[x] + (int)prvpnn[x])
222 - 0.026*((int)srcp3p[x] + (int)srcp3n[x])
223 + 0.031*((int)prvp4p[x] + (int)prvp4p[x]);
224 if (valf > hi) valf = hi;
225 else if (valf < lo) valf = lo;
226 dstp[x] = (int) valf;
227 }
228 else
229 {
230 if (twoway == 1)
231 val = (8*((int)srcpp[x] + (int)srcpn[x]) + 2*((int)srcp[x] + (int)prvp[x]) -
232 (int)(srcppp[x]) - (int)(srcpnn[x]) -
233 (int)(prvppp[x]) - (int)(prvpnn[x])) >> 4;
234 else
235 val = (8*((int)srcpp[x] + (int)srcpn[x]) + 2*((int)prvp[x]) -
236 (int)(prvppp[x]) - (int)(prvpnn[x])) >> 4;
237 if (val > hi) val = hi;
238 else if (val < lo) val = lo;
239 dstp[x] = (int) val;
240 }
241 }
242 }
243 else
244 {
245 dstp[x] = srcp[x];
246 }
247 }
248 prvp += 2*psrc_pitch;
249 prvpp += 2*psrc_pitch;
250 prvppp += 2*psrc_pitch;
251 prvpn += 2*psrc_pitch;
252 prvpnn += 2*psrc_pitch;
253 prvp4p += 2*psrc_pitch;
254 prvp4n += 2*psrc_pitch;
255 srcp += 2*src_pitch;
256 srcpp += 2*src_pitch;
257 srcppp += 2*src_pitch;
258 srcp3p += 2*src_pitch;
259 srcp4p += 2*src_pitch;
260 srcpn += 2*src_pitch;
261 srcpnn += 2*src_pitch;
262 srcp3n += 2*src_pitch;
263 srcp4n += 2*src_pitch;
264 dstp += 2*dst_pitch;
265 }
266
267 srcp = mpi->planes[z];
268 dstp = pmpi->planes[z];
269 for (y=0; y<h; y++) {
270 fast_memcpy(dstp, srcp, w);
271 srcp += src_pitch;
272 dstp += psrc_pitch;
273 }
274 }
275
276 return vf_next_put_image(vf,dmpi, pts);
277 }
278
279 //===========================================================================//
280
281 static int query_format(struct vf_instance *vf, unsigned int fmt){
282 switch(fmt)
283 {
284 case IMGFMT_YV12:
285 case IMGFMT_RGB:
286 case IMGFMT_YUY2:
287 return vf_next_query_format(vf, fmt);
288 }
289 return 0;
290 }
291
292 static int control(struct vf_instance *vf, int request, void* data){
293 switch (request)
294 {
295 case VFCTRL_GET_DEINTERLACE:
296 *(int*)data = vf->priv->do_deinterlace;
297 return CONTROL_OK;
298 case VFCTRL_SET_DEINTERLACE:
299 vf->priv->do_deinterlace = *(int*)data;
300 return CONTROL_OK;
301 }
302 return vf_next_control (vf, request, data);
303 }
304
305 static int vf_open(vf_instance_t *vf, char *args){
306
307 vf->control=control;
308 vf->config=config;
309 vf->put_image=put_image;
310 vf->query_format=query_format;
311 vf->uninit=uninit;
312 vf->priv=malloc(sizeof(struct vf_priv_s));
313 memset(vf->priv, 0, sizeof(struct vf_priv_s));
314
315 vf->priv->frame = 0;
316
317 vf->priv->map = 0;
318 vf->priv->order = 0;
319 vf->priv->thresh = 10;
320 vf->priv->sharp = 0;
321 vf->priv->twoway = 0;
322 vf->priv->do_deinterlace=1;
323
324 if (args)
325 {
326 sscanf(args, "%d:%d:%d:%d:%d",
327 &vf->priv->thresh, &vf->priv->map,
328 &vf->priv->order, &vf->priv->sharp,
329 &vf->priv->twoway);
330 }
331 if (vf->priv->order > 1) vf->priv->order = 1;
332
333 return 1;
334 }
335
336 const vf_info_t vf_info_kerndeint = {
337 "Kernel Deinterlacer",
338 "kerndeint",
339 "Donald Graft",
340 "",
341 vf_open,
342 NULL
343 };
344
345 //===========================================================================//
mplayer with SMedia Glamo drivers