1 /*****************************************************************************
2 * hqdn3d.c : high-quality denoise 3D ported from MPlayer
3 *****************************************************************************
4 * Copyright (C) 2011 VLC authors and VideoLAN
5 * $Id: c9b9bafab5a2023234bd23b3a1388632b21369ba $
6 *
7 * Authors: Cheng Sun <chengsun9@gmail.com>
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU Lesser General Public License as published by
11 * the Free Software Foundation; either version 2.1 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Lesser General Public License for more details.
18 *
19 * You should have received a copy of the GNU Lesser General Public License
20 * along with this program; if not, write to the Free Software Foundation,
21 * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
22 *****************************************************************************/
23
24 /*****************************************************************************
25 * Preamble
26 *****************************************************************************/
27
28 #ifdef HAVE_CONFIG_H
29 # include "config.h"
30 #endif
31
32 #include <vlc_common.h>
33 #include <vlc_plugin.h>
34 #include <vlc_filter.h>
35 #include <vlc_picture.h>
36 #include "filter_picture.h"
37
38
39 #include "hqdn3d.h"
40
41 /*****************************************************************************
42 * Local protypes
43 *****************************************************************************/
44 static int Open (vlc_object_t *);
45 static void Close (vlc_object_t *);
46 static picture_t *Filter (filter_t *, picture_t *);
47 static int DenoiseCallback( vlc_object_t *p_this, char const *psz_var,
48 vlc_value_t oldval, vlc_value_t newval,
49 void *p_data );
50
51 /*****************************************************************************
52 * Module descriptor
53 *****************************************************************************/
54
55 #define FILTER_PREFIX "hqdn3d-"
56
57 #define LUMA_SPAT_TEXT N_("Spatial luma strength (0-254)")
58 #define CHROMA_SPAT_TEXT N_("Spatial chroma strength (0-254)")
59 #define LUMA_TEMP_TEXT N_("Temporal luma strength (0-254)")
60 #define CHROMA_TEMP_TEXT N_("Temporal chroma strength (0-254)")
61
62 vlc_module_begin()
63 set_shortname(N_("HQ Denoiser 3D"))
64 set_description(N_("High Quality 3D Denoiser filter"))
65 set_capability("video filter", 0)
66 set_category(CAT_VIDEO)
67 set_subcategory(SUBCAT_VIDEO_VFILTER)
68
69 add_float_with_range(FILTER_PREFIX "luma-spat", 4.0, 0.0, 254.0,
70 LUMA_SPAT_TEXT, LUMA_SPAT_TEXT, false)
71 add_float_with_range(FILTER_PREFIX "chroma-spat", 3.0, 0.0, 254.0,
72 CHROMA_SPAT_TEXT, CHROMA_SPAT_TEXT, false)
73 add_float_with_range(FILTER_PREFIX "luma-temp", 6.0, 0.0, 254.0,
74 LUMA_TEMP_TEXT, LUMA_TEMP_TEXT, false)
75 add_float_with_range(FILTER_PREFIX "chroma-temp", 4.5, 0.0, 254.0,
76 CHROMA_TEMP_TEXT, CHROMA_TEMP_TEXT, false)
77
78 add_shortcut("hqdn3d")
79
80 set_callbacks(Open, Close)
81 vlc_module_end()
82
83 static const char *const filter_options[] = {
84 "luma-spat", "chroma-spat", "luma-temp", "chroma-temp", NULL
85 };
86
87 /*****************************************************************************
88 * filter_sys_t
89 *****************************************************************************/
90 struct filter_sys_t
91 {
92 const vlc_chroma_description_t *chroma;
93 int w[3], h[3];
94
95 struct vf_priv_s cfg;
96 bool b_recalc_coefs;
97 vlc_mutex_t coefs_mutex;
98 float luma_spat, luma_temp, chroma_spat, chroma_temp;
99 };
100
101 /*****************************************************************************
102 * Open
103 *****************************************************************************/
Open(vlc_object_t * this)104 static int Open(vlc_object_t *this)
105 {
106 filter_t *filter = (filter_t *)this;
107 filter_sys_t *sys;
108 struct vf_priv_s *cfg;
109 const video_format_t *fmt_in = &filter->fmt_in.video;
110 const video_format_t *fmt_out = &filter->fmt_out.video;
111 const vlc_fourcc_t fourcc_in = fmt_in->i_chroma;
112 const vlc_fourcc_t fourcc_out = fmt_out->i_chroma;
113 int wmax = 0;
114
115 const vlc_chroma_description_t *chroma =
116 vlc_fourcc_GetChromaDescription(fourcc_in);
117 if (!chroma || chroma->plane_count != 3 || chroma->pixel_size != 1) {
118 msg_Err(filter, "Unsupported chroma (%4.4s)", (char*)&fourcc_in);
119 return VLC_EGENERIC;
120 }
121
122 if (fourcc_in != fourcc_out) {
123 msg_Err(filter, "Input and output chromas don't match");
124 return VLC_EGENERIC;
125 }
126
127 /* Allocate structure */
128 sys = calloc(1, sizeof(filter_sys_t));
129 if (!sys) {
130 return VLC_ENOMEM;
131 }
132 cfg = &sys->cfg;
133
134 sys->chroma = chroma;
135
136 for (int i = 0; i < 3; ++i) {
137 sys->w[i] = fmt_in->i_width * chroma->p[i].w.num / chroma->p[i].w.den;
138 if (sys->w[i] > wmax) wmax = sys->w[i];
139 sys->h[i] = fmt_out->i_height * chroma->p[i].h.num / chroma->p[i].h.den;
140 }
141 cfg->Line = malloc(wmax*sizeof(unsigned int));
142 if (!cfg->Line) {
143 free(sys);
144 return VLC_ENOMEM;
145 }
146
147 config_ChainParse(filter, FILTER_PREFIX, filter_options,
148 filter->p_cfg);
149
150
151 vlc_mutex_init( &sys->coefs_mutex );
152 sys->b_recalc_coefs = true;
153 sys->luma_spat = var_CreateGetFloatCommand(filter, FILTER_PREFIX "luma-spat");
154 sys->chroma_spat = var_CreateGetFloatCommand(filter, FILTER_PREFIX "chroma-spat");
155 sys->luma_temp = var_CreateGetFloatCommand(filter, FILTER_PREFIX "luma-temp");
156 sys->chroma_temp = var_CreateGetFloatCommand(filter, FILTER_PREFIX "chroma-temp");
157
158 filter->p_sys = sys;
159 filter->pf_video_filter = Filter;
160
161 var_AddCallback( filter, FILTER_PREFIX "luma-spat", DenoiseCallback, sys );
162 var_AddCallback( filter, FILTER_PREFIX "chroma-spat", DenoiseCallback, sys );
163 var_AddCallback( filter, FILTER_PREFIX "luma-temp", DenoiseCallback, sys );
164 var_AddCallback( filter, FILTER_PREFIX "chroma-temp", DenoiseCallback, sys );
165
166 return VLC_SUCCESS;
167 }
168
169 /*****************************************************************************
170 * Close
171 *****************************************************************************/
Close(vlc_object_t * this)172 static void Close(vlc_object_t *this)
173 {
174 filter_t *filter = (filter_t *)this;
175 filter_sys_t *sys = filter->p_sys;
176 struct vf_priv_s *cfg = &sys->cfg;
177
178 var_DelCallback( filter, FILTER_PREFIX "luma-spat", DenoiseCallback, sys );
179 var_DelCallback( filter, FILTER_PREFIX "chroma-spat", DenoiseCallback, sys );
180 var_DelCallback( filter, FILTER_PREFIX "luma-temp", DenoiseCallback, sys );
181 var_DelCallback( filter, FILTER_PREFIX "chroma-temp", DenoiseCallback, sys );
182
183 vlc_mutex_destroy( &sys->coefs_mutex );
184
185 for (int i = 0; i < 3; ++i) {
186 free(cfg->Frame[i]);
187 }
188 free(cfg->Line);
189 free(sys);
190 }
191
192 /*****************************************************************************
193 * Filter
194 *****************************************************************************/
Filter(filter_t * filter,picture_t * src)195 static picture_t *Filter(filter_t *filter, picture_t *src)
196 {
197 picture_t *dst;
198 filter_sys_t *sys = filter->p_sys;
199 struct vf_priv_s *cfg = &sys->cfg;
200 bool recalc = false;
201
202 if (!src) return NULL;
203
204 dst = filter_NewPicture(filter);
205 if ( unlikely(!dst) ) {
206 picture_Release(src);
207 return NULL;
208 }
209 vlc_mutex_lock( &sys->coefs_mutex );
210 recalc = sys->b_recalc_coefs;
211 sys->b_recalc_coefs = false;
212
213 if( unlikely( recalc ) )
214 {
215 msg_Dbg( filter, "Changing coefs to %.2f %.2f %.2f %.2f",
216 sys->luma_spat, sys->luma_temp, sys->chroma_spat, sys->chroma_temp );
217 PrecalcCoefs(cfg->Coefs[0], sys->luma_spat);
218 PrecalcCoefs(cfg->Coefs[1], sys->luma_temp);
219 PrecalcCoefs(cfg->Coefs[2], sys->chroma_spat);
220 PrecalcCoefs(cfg->Coefs[3], sys->chroma_temp);
221 }
222 vlc_mutex_unlock( &sys->coefs_mutex );
223
224 deNoise(src->p[0].p_pixels, dst->p[0].p_pixels,
225 cfg->Line, &cfg->Frame[0], sys->w[0], sys->h[0],
226 src->p[0].i_pitch, dst->p[0].i_pitch,
227 cfg->Coefs[0],
228 cfg->Coefs[0],
229 cfg->Coefs[1]);
230 deNoise(src->p[1].p_pixels, dst->p[1].p_pixels,
231 cfg->Line, &cfg->Frame[1], sys->w[1], sys->h[1],
232 src->p[1].i_pitch, dst->p[1].i_pitch,
233 cfg->Coefs[2],
234 cfg->Coefs[2],
235 cfg->Coefs[3]);
236 deNoise(src->p[2].p_pixels, dst->p[2].p_pixels,
237 cfg->Line, &cfg->Frame[2], sys->w[2], sys->h[2],
238 src->p[2].i_pitch, dst->p[2].i_pitch,
239 cfg->Coefs[2],
240 cfg->Coefs[2],
241 cfg->Coefs[3]);
242
243 if(unlikely(!cfg->Frame[0] || !cfg->Frame[1] || !cfg->Frame[2]))
244 {
245 picture_Release( src );
246 picture_Release( dst );
247 return NULL;
248 }
249
250 return CopyInfoAndRelease(dst, src);
251 }
252
253
DenoiseCallback(vlc_object_t * p_this,char const * psz_var,vlc_value_t oldval,vlc_value_t newval,void * p_data)254 static int DenoiseCallback( vlc_object_t *p_this, char const *psz_var,
255 vlc_value_t oldval, vlc_value_t newval,
256 void *p_data )
257 {
258 VLC_UNUSED(p_this); VLC_UNUSED(oldval);
259
260 filter_sys_t *sys = (filter_sys_t*)p_data;
261
262 /* Just take values and flag for recalc so we don't block UI thread calling this
263 * and don't right thread safety calcing coefs in here without mutex*/
264 vlc_mutex_lock( &sys->coefs_mutex );
265 if( !strcmp( psz_var, FILTER_PREFIX "luma-spat") )
266 sys->luma_spat = newval.f_float;
267 else if( !strcmp( psz_var, FILTER_PREFIX "luma-temp") )
268 sys->luma_temp = newval.f_float;
269 else if( !strcmp( psz_var, FILTER_PREFIX "chroma-temp") )
270 sys->chroma_spat = newval.f_float;
271 else if( !strcmp( psz_var, FILTER_PREFIX "chroma-spat") )
272 sys->chroma_temp = newval.f_float;
273 sys->b_recalc_coefs = true;
274 vlc_mutex_unlock( &sys->coefs_mutex );
275
276 return VLC_SUCCESS;
277 }
278