FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavfilter/vf_stereo3d.c
Date: 2024-04-24 18:52:15
Exec Total Coverage
Lines: 264 553 47.7%
Functions: 7 9 77.8%
Branches: 101 407 24.8%
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1 /*
2 * Copyright (c) 2010 Gordon Schmidt <gordon.schmidt <at> s2000.tu-chemnitz.de>
3 * Copyright (c) 2013-2015 Paul B Mahol
4 *
5 * This file is part of FFmpeg.
6 *
7 * FFmpeg is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public
9 * License as published by the Free Software Foundation; either
10 * version 2 of the License, or (at your option) any later version.
11 *
12 * FFmpeg 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 FFmpeg; if not, write to the Free Software
19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20 */
21
22 #include "libavutil/avassert.h"
23 #include "libavutil/imgutils.h"
24 #include "libavutil/intreadwrite.h"
25 #include "libavutil/opt.h"
26 #include "libavutil/parseutils.h"
27 #include "libavutil/pixdesc.h"
28 #include "avfilter.h"
29 #include "drawutils.h"
30 #include "formats.h"
31 #include "internal.h"
32 #include "video.h"
33 #include "stereo3d.h"
34
35 enum StereoCode {
36 ANAGLYPH_RC_GRAY, // anaglyph red/cyan gray
37 ANAGLYPH_RC_HALF, // anaglyph red/cyan half colored
38 ANAGLYPH_RC_COLOR, // anaglyph red/cyan colored
39 ANAGLYPH_RC_DUBOIS, // anaglyph red/cyan dubois
40 ANAGLYPH_GM_GRAY, // anaglyph green/magenta gray
41 ANAGLYPH_GM_HALF, // anaglyph green/magenta half colored
42 ANAGLYPH_GM_COLOR, // anaglyph green/magenta colored
43 ANAGLYPH_GM_DUBOIS, // anaglyph green/magenta dubois
44 ANAGLYPH_YB_GRAY, // anaglyph yellow/blue gray
45 ANAGLYPH_YB_HALF, // anaglyph yellow/blue half colored
46 ANAGLYPH_YB_COLOR, // anaglyph yellow/blue colored
47 ANAGLYPH_YB_DUBOIS, // anaglyph yellow/blue dubois
48 ANAGLYPH_RB_GRAY, // anaglyph red/blue gray
49 ANAGLYPH_RG_GRAY, // anaglyph red/green gray
50 MONO_L, // mono output for debugging (left eye only)
51 MONO_R, // mono output for debugging (right eye only)
52 INTERLEAVE_ROWS_LR, // row-interleave (left eye has top row)
53 INTERLEAVE_ROWS_RL, // row-interleave (right eye has top row)
54 SIDE_BY_SIDE_LR, // side by side parallel (left eye left, right eye right)
55 SIDE_BY_SIDE_RL, // side by side crosseye (right eye left, left eye right)
56 SIDE_BY_SIDE_2_LR, // side by side parallel with half width resolution
57 SIDE_BY_SIDE_2_RL, // side by side crosseye with half width resolution
58 ABOVE_BELOW_LR, // above-below (left eye above, right eye below)
59 ABOVE_BELOW_RL, // above-below (right eye above, left eye below)
60 ABOVE_BELOW_2_LR, // above-below with half height resolution
61 ABOVE_BELOW_2_RL, // above-below with half height resolution
62 ALTERNATING_LR, // alternating frames (left eye first, right eye second)
63 ALTERNATING_RL, // alternating frames (right eye first, left eye second)
64 CHECKERBOARD_LR, // checkerboard pattern (left eye first, right eye second)
65 CHECKERBOARD_RL, // checkerboard pattern (right eye first, left eye second)
66 INTERLEAVE_COLS_LR, // column-interleave (left eye first, right eye second)
67 INTERLEAVE_COLS_RL, // column-interleave (right eye first, left eye second)
68 HDMI, // HDMI frame pack (left eye first, right eye second)
69 STEREO_CODE_COUNT // TODO: needs autodetection
70 };
71
72 typedef struct StereoComponent {
73 int format; ///< StereoCode
74 int width, height;
75 int off_left, off_right;
76 int off_lstep, off_rstep;
77 int row_left, row_right;
78 int row_step;
79 } StereoComponent;
80
81 static const int ana_coeff[][3][6] = {
82 [ANAGLYPH_RB_GRAY] =
83 {{19595, 38470, 7471, 0, 0, 0},
84 { 0, 0, 0, 0, 0, 0},
85 { 0, 0, 0, 19595, 38470, 7471}},
86 [ANAGLYPH_RG_GRAY] =
87 {{19595, 38470, 7471, 0, 0, 0},
88 { 0, 0, 0, 19595, 38470, 7471},
89 { 0, 0, 0, 0, 0, 0}},
90 [ANAGLYPH_RC_GRAY] =
91 {{19595, 38470, 7471, 0, 0, 0},
92 { 0, 0, 0, 19595, 38470, 7471},
93 { 0, 0, 0, 19595, 38470, 7471}},
94 [ANAGLYPH_RC_HALF] =
95 {{19595, 38470, 7471, 0, 0, 0},
96 { 0, 0, 0, 0, 65536, 0},
97 { 0, 0, 0, 0, 0, 65536}},
98 [ANAGLYPH_RC_COLOR] =
99 {{65536, 0, 0, 0, 0, 0},
100 { 0, 0, 0, 0, 65536, 0},
101 { 0, 0, 0, 0, 0, 65536}},
102 [ANAGLYPH_RC_DUBOIS] =
103 {{29884, 32768, 11534, -2818, -5767, -131},
104 {-2621, -2490, -1049, 24773, 48103, -1180},
105 { -983, -1376, -328, -4719, -7406, 80347}},
106 [ANAGLYPH_GM_GRAY] =
107 {{ 0, 0, 0, 19595, 38470, 7471},
108 {19595, 38470, 7471, 0, 0, 0},
109 { 0, 0, 0, 19595, 38470, 7471}},
110 [ANAGLYPH_GM_HALF] =
111 {{ 0, 0, 0, 65536, 0, 0},
112 {19595, 38470, 7471, 0, 0, 0},
113 { 0, 0, 0, 0, 0, 65536}},
114 [ANAGLYPH_GM_COLOR] =
115 {{ 0, 0, 0, 65536, 0, 0},
116 { 0, 65536, 0, 0, 0, 0},
117 { 0, 0, 0, 0, 0, 65536}},
118 [ANAGLYPH_GM_DUBOIS] =
119 {{-4063,-10354, -2556, 34669, 46203, 1573},
120 {18612, 43778, 9372, -1049, -983, -4260},
121 { -983, -1769, 1376, 590, 4915, 61407}},
122 [ANAGLYPH_YB_GRAY] =
123 {{ 0, 0, 0, 19595, 38470, 7471},
124 { 0, 0, 0, 19595, 38470, 7471},
125 {19595, 38470, 7471, 0, 0, 0}},
126 [ANAGLYPH_YB_HALF] =
127 {{ 0, 0, 0, 65536, 0, 0},
128 { 0, 0, 0, 0, 65536, 0},
129 {19595, 38470, 7471, 0, 0, 0}},
130 [ANAGLYPH_YB_COLOR] =
131 {{ 0, 0, 0, 65536, 0, 0},
132 { 0, 0, 0, 0, 65536, 0},
133 { 0, 0, 65536, 0, 0, 0}},
134 [ANAGLYPH_YB_DUBOIS] =
135 {{69599,-13435,19595, -1048, -8061, -1114},
136 {-1704, 59507, 4456, 393, 4063, -1114},
137 {-2490,-11338, 1442, 6160, 12124, 59703}},
138 };
139
140 typedef struct Stereo3DContext {
141 const AVClass *class;
142 StereoComponent in, out;
143 int width, height;
144 const int *ana_matrix[3];
145 int nb_planes;
146 int linesize[4];
147 int pheight[4];
148 int hsub, vsub;
149 int pixstep[4];
150 AVFrame *prev;
151 int blanks;
152 int in_off_left[4], in_off_right[4];
153 AVRational aspect;
154 Stereo3DDSPContext dsp;
155 } Stereo3DContext;
156
157 #define OFFSET(x) offsetof(Stereo3DContext, x)
158 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
159
160 static const AVOption stereo3d_options[] = {
161 { "in", "set input format", OFFSET(in.format), AV_OPT_TYPE_INT, {.i64=SIDE_BY_SIDE_LR}, INTERLEAVE_ROWS_LR, STEREO_CODE_COUNT-1, FLAGS, .unit = "in"},
162 { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, .unit = "in" },
163 { "tb2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, .unit = "in" },
164 { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, .unit = "in" },
165 { "tb2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, .unit = "in" },
166 { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, .unit = "in" },
167 { "tbl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, .unit = "in" },
168 { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, .unit = "in" },
169 { "tbr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, .unit = "in" },
170 { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, .unit = "in" },
171 { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, .unit = "in" },
172 { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, .unit = "in" },
173 { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, .unit = "in" },
174 { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, .unit = "in" },
175 { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, .unit = "in" },
176 { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, .unit = "in" },
177 { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, .unit = "in" },
178 { "icl", "interleave columns left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_LR}, 0, 0, FLAGS, .unit = "in" },
179 { "icr", "interleave columns right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_RL}, 0, 0, FLAGS, .unit = "in" },
180 { "out", "set output format", OFFSET(out.format), AV_OPT_TYPE_INT, {.i64=ANAGLYPH_RC_DUBOIS}, 0, STEREO_CODE_COUNT-1, FLAGS, .unit = "out"},
181 { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, .unit = "out" },
182 { "tb2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, .unit = "out" },
183 { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, .unit = "out" },
184 { "tb2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, .unit = "out" },
185 { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, .unit = "out" },
186 { "tbl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, .unit = "out" },
187 { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, .unit = "out" },
188 { "tbr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, .unit = "out" },
189 { "agmc", "anaglyph green magenta color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_COLOR}, 0, 0, FLAGS, .unit = "out" },
190 { "agmd", "anaglyph green magenta dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_DUBOIS}, 0, 0, FLAGS, .unit = "out" },
191 { "agmg", "anaglyph green magenta gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_GRAY}, 0, 0, FLAGS, .unit = "out" },
192 { "agmh", "anaglyph green magenta half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_HALF}, 0, 0, FLAGS, .unit = "out" },
193 { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, .unit = "out" },
194 { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, .unit = "out" },
195 { "arbg", "anaglyph red blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RB_GRAY}, 0, 0, FLAGS, .unit = "out" },
196 { "arcc", "anaglyph red cyan color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_COLOR}, 0, 0, FLAGS, .unit = "out" },
197 { "arcd", "anaglyph red cyan dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_DUBOIS}, 0, 0, FLAGS, .unit = "out" },
198 { "arcg", "anaglyph red cyan gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_GRAY}, 0, 0, FLAGS, .unit = "out" },
199 { "arch", "anaglyph red cyan half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_HALF}, 0, 0, FLAGS, .unit = "out" },
200 { "argg", "anaglyph red green gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RG_GRAY}, 0, 0, FLAGS, .unit = "out" },
201 { "aybc", "anaglyph yellow blue color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_COLOR}, 0, 0, FLAGS, .unit = "out" },
202 { "aybd", "anaglyph yellow blue dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_DUBOIS}, 0, 0, FLAGS, .unit = "out" },
203 { "aybg", "anaglyph yellow blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_GRAY}, 0, 0, FLAGS, .unit = "out" },
204 { "aybh", "anaglyph yellow blue half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_HALF}, 0, 0, FLAGS, .unit = "out" },
205 { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, .unit = "out" },
206 { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, .unit = "out" },
207 { "ml", "mono left", 0, AV_OPT_TYPE_CONST, {.i64=MONO_L}, 0, 0, FLAGS, .unit = "out" },
208 { "mr", "mono right", 0, AV_OPT_TYPE_CONST, {.i64=MONO_R}, 0, 0, FLAGS, .unit = "out" },
209 { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, .unit = "out" },
210 { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, .unit = "out" },
211 { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, .unit = "out" },
212 { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, .unit = "out" },
213 { "chl", "checkerboard left first", 0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_LR}, 0, 0, FLAGS, .unit = "out" },
214 { "chr", "checkerboard right first", 0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_RL}, 0, 0, FLAGS, .unit = "out" },
215 { "icl", "interleave columns left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_LR}, 0, 0, FLAGS, .unit = "out" },
216 { "icr", "interleave columns right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_RL}, 0, 0, FLAGS, .unit = "out" },
217 { "hdmi", "HDMI frame pack", 0, AV_OPT_TYPE_CONST, {.i64=HDMI}, 0, 0, FLAGS, .unit = "out" },
218 { NULL }
219 };
220
221 AVFILTER_DEFINE_CLASS(stereo3d);
222
223 static const enum AVPixelFormat anaglyph_pix_fmts[] = {
224 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
225 AV_PIX_FMT_NONE
226 };
227
228 static const enum AVPixelFormat other_pix_fmts[] = {
229 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
230 AV_PIX_FMT_RGB48BE, AV_PIX_FMT_BGR48BE,
231 AV_PIX_FMT_RGB48LE, AV_PIX_FMT_BGR48LE,
232 AV_PIX_FMT_RGBA64BE, AV_PIX_FMT_BGRA64BE,
233 AV_PIX_FMT_RGBA64LE, AV_PIX_FMT_BGRA64LE,
234 AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
235 AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
236 AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0,
237 AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR,
238 AV_PIX_FMT_GBRP,
239 AV_PIX_FMT_GBRP9BE, AV_PIX_FMT_GBRP9LE,
240 AV_PIX_FMT_GBRP10BE, AV_PIX_FMT_GBRP10LE,
241 AV_PIX_FMT_GBRP12BE, AV_PIX_FMT_GBRP12LE,
242 AV_PIX_FMT_GBRP14BE, AV_PIX_FMT_GBRP14LE,
243 AV_PIX_FMT_GBRP16BE, AV_PIX_FMT_GBRP16LE,
244 AV_PIX_FMT_YUV410P,
245 AV_PIX_FMT_YUV411P,
246 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P,
247 AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P,
248 AV_PIX_FMT_YUV440P,
249 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA444P,
250 AV_PIX_FMT_YUVJ411P,
251 AV_PIX_FMT_YUVJ420P,
252 AV_PIX_FMT_YUVJ422P,
253 AV_PIX_FMT_YUVJ440P,
254 AV_PIX_FMT_YUVJ444P,
255 AV_PIX_FMT_YUV420P9LE, AV_PIX_FMT_YUVA420P9LE,
256 AV_PIX_FMT_YUV420P9BE, AV_PIX_FMT_YUVA420P9BE,
257 AV_PIX_FMT_YUV422P9LE, AV_PIX_FMT_YUVA422P9LE,
258 AV_PIX_FMT_YUV422P9BE, AV_PIX_FMT_YUVA422P9BE,
259 AV_PIX_FMT_YUV444P9LE, AV_PIX_FMT_YUVA444P9LE,
260 AV_PIX_FMT_YUV444P9BE, AV_PIX_FMT_YUVA444P9BE,
261 AV_PIX_FMT_YUV420P10LE, AV_PIX_FMT_YUVA420P10LE,
262 AV_PIX_FMT_YUV420P10BE, AV_PIX_FMT_YUVA420P10BE,
263 AV_PIX_FMT_YUV422P10LE, AV_PIX_FMT_YUVA422P10LE,
264 AV_PIX_FMT_YUV422P10BE, AV_PIX_FMT_YUVA422P10BE,
265 AV_PIX_FMT_YUV444P10LE, AV_PIX_FMT_YUVA444P10LE,
266 AV_PIX_FMT_YUV444P10BE, AV_PIX_FMT_YUVA444P10BE,
267 AV_PIX_FMT_YUV420P12BE, AV_PIX_FMT_YUV420P12LE,
268 AV_PIX_FMT_YUV422P12BE, AV_PIX_FMT_YUV422P12LE,
269 AV_PIX_FMT_YUV444P12BE, AV_PIX_FMT_YUV444P12LE,
270 AV_PIX_FMT_YUV420P14BE, AV_PIX_FMT_YUV420P14LE,
271 AV_PIX_FMT_YUV422P14BE, AV_PIX_FMT_YUV422P14LE,
272 AV_PIX_FMT_YUV444P14BE, AV_PIX_FMT_YUV444P14LE,
273 AV_PIX_FMT_YUV420P16LE, AV_PIX_FMT_YUVA420P16LE,
274 AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_YUVA420P16BE,
275 AV_PIX_FMT_YUV422P16LE, AV_PIX_FMT_YUVA422P16LE,
276 AV_PIX_FMT_YUV422P16BE, AV_PIX_FMT_YUVA422P16BE,
277 AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUVA444P16LE,
278 AV_PIX_FMT_YUV444P16BE, AV_PIX_FMT_YUVA444P16BE,
279 AV_PIX_FMT_NONE
280 };
281
282 22 static int query_formats(AVFilterContext *ctx)
283 {
284 22 Stereo3DContext *s = ctx->priv;
285 const enum AVPixelFormat *pix_fmts;
286
287
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 22 switch (s->out.format) {
288 14 case ANAGLYPH_GM_COLOR:
289 case ANAGLYPH_GM_DUBOIS:
290 case ANAGLYPH_GM_GRAY:
291 case ANAGLYPH_GM_HALF:
292 case ANAGLYPH_RB_GRAY:
293 case ANAGLYPH_RC_COLOR:
294 case ANAGLYPH_RC_DUBOIS:
295 case ANAGLYPH_RC_GRAY:
296 case ANAGLYPH_RC_HALF:
297 case ANAGLYPH_RG_GRAY:
298 case ANAGLYPH_YB_COLOR:
299 case ANAGLYPH_YB_DUBOIS:
300 case ANAGLYPH_YB_GRAY:
301 case ANAGLYPH_YB_HALF:
302 14 pix_fmts = anaglyph_pix_fmts;
303 14 break;
304 8 default:
305 8 pix_fmts = other_pix_fmts;
306 }
307
308 22 return ff_set_common_formats_from_list(ctx, pix_fmts);
309 }
310
311 10644480 static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right)
312 {
313 int sum;
314
315 10644480 sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in
316 10644480 sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in
317 10644480 sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in
318
319 10644480 return av_clip_uint8(sum >> 16);
320 }
321
322 ✗ static void anaglyph_ic(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
323 ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
324 int width, int height,
325 const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
326 {
327 int x, y, o;
328
329 ✗ for (y = 0; y < height; y++) {
330 ✗ for (o = 0, x = 0; x < width; x++, o+= 3) {
331 ✗ dst[o ] = ana_convert(ana_matrix_r, lsrc + o * 2, rsrc + o * 2);
332 ✗ dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o * 2, rsrc + o * 2);
333 ✗ dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o * 2, rsrc + o * 2);
334 }
335
336 ✗ dst += dst_linesize;
337 ✗ lsrc += l_linesize;
338 ✗ rsrc += r_linesize;
339 }
340 ✗ }
341
342 630 static void anaglyph(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
343 ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
344 int width, int height,
345 const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
346 {
347 int x, y, o;
348
349
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350
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 3568320 for (o = 0, x = 0; x < width; x++, o+= 3) {
351 3548160 dst[o ] = ana_convert(ana_matrix_r, lsrc + o, rsrc + o);
352 3548160 dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o, rsrc + o);
353 3548160 dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o, rsrc + o);
354 }
355
356 20160 dst += dst_linesize;
357 20160 lsrc += l_linesize;
358 20160 rsrc += r_linesize;
359 }
360 630 }
361
362 22 static int config_output(AVFilterLink *outlink)
363 {
364 22 AVFilterContext *ctx = outlink->src;
365 22 AVFilterLink *inlink = ctx->inputs[0];
366 22 Stereo3DContext *s = ctx->priv;
367 22 AVRational fps = inlink->frame_rate;
368 22 AVRational tb = inlink->time_base;
369 22 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
370 int ret;
371 22 s->aspect = inlink->sample_aspect_ratio;
372
373
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 22 switch (s->in.format) {
374 18 case INTERLEAVE_COLS_LR:
375 case INTERLEAVE_COLS_RL:
376 case SIDE_BY_SIDE_2_LR:
377 case SIDE_BY_SIDE_LR:
378 case SIDE_BY_SIDE_2_RL:
379 case SIDE_BY_SIDE_RL:
380
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 18 if (inlink->w & 1) {
381 ✗ av_log(ctx, AV_LOG_ERROR, "width must be even\n");
382 ✗ return AVERROR_INVALIDDATA;
383 }
384 18 break;
385 2 case INTERLEAVE_ROWS_LR:
386 case INTERLEAVE_ROWS_RL:
387 case ABOVE_BELOW_2_LR:
388 case ABOVE_BELOW_LR:
389 case ABOVE_BELOW_2_RL:
390 case ABOVE_BELOW_RL:
391
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 2 if (inlink->h & 1) {
392 ✗ av_log(ctx, AV_LOG_ERROR, "height must be even\n");
393 ✗ return AVERROR_INVALIDDATA;
394 }
395 2 break;
396 }
397
398 22 s->in.width =
399 22 s->width = inlink->w;
400 22 s->in.height =
401 22 s->height = inlink->h;
402 22 s->in.off_lstep =
403 22 s->in.off_rstep =
404 22 s->in.off_left =
405 22 s->in.off_right =
406 22 s->in.row_left =
407 22 s->in.row_right = 0;
408 22 s->in.row_step = 1;
409
410
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 22 switch (s->in.format) {
411 ✗ case SIDE_BY_SIDE_2_LR:
412 ✗ s->aspect.num *= 2;
413 18 case SIDE_BY_SIDE_LR:
414 18 s->width = inlink->w / 2;
415 18 s->in.off_right = s->width;
416 18 break;
417 ✗ case SIDE_BY_SIDE_2_RL:
418 ✗ s->aspect.num *= 2;
419 ✗ case SIDE_BY_SIDE_RL:
420 ✗ s->width = inlink->w / 2;
421 ✗ s->in.off_left = s->width;
422 ✗ break;
423 ✗ case ABOVE_BELOW_2_LR:
424 ✗ s->aspect.den *= 2;
425 ✗ case ABOVE_BELOW_LR:
426 ✗ s->in.row_right =
427 ✗ s->height = inlink->h / 2;
428 ✗ break;
429 ✗ case ABOVE_BELOW_2_RL:
430 ✗ s->aspect.den *= 2;
431 2 case ABOVE_BELOW_RL:
432 2 s->in.row_left =
433 2 s->height = inlink->h / 2;
434 2 break;
435 2 case ALTERNATING_RL:
436 case ALTERNATING_LR:
437 2 fps.den *= 2;
438 2 tb.num *= 2;
439 2 break;
440 ✗ case INTERLEAVE_COLS_RL:
441 case INTERLEAVE_COLS_LR:
442 ✗ s->width = inlink->w / 2;
443 ✗ break;
444 ✗ case INTERLEAVE_ROWS_LR:
445 case INTERLEAVE_ROWS_RL:
446 ✗ s->in.row_step = 2;
447 ✗ if (s->in.format == INTERLEAVE_ROWS_RL)
448 ✗ s->in.off_lstep = 1;
449 else
450 ✗ s->in.off_rstep = 1;
451 ✗ if (s->out.format != CHECKERBOARD_LR &&
452 ✗ s->out.format != CHECKERBOARD_RL)
453 ✗ s->height = inlink->h / 2;
454 ✗ break;
455 ✗ default:
456 ✗ av_log(ctx, AV_LOG_ERROR, "input format %d is not supported\n", s->in.format);
457 ✗ return AVERROR(EINVAL);
458 }
459
460 22 s->out.width = s->width;
461 22 s->out.height = s->height;
462 22 s->out.off_lstep =
463 22 s->out.off_rstep =
464 22 s->out.off_left =
465 22 s->out.off_right =
466 22 s->out.row_left =
467 22 s->out.row_right = 0;
468 22 s->out.row_step = 1;
469
470
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 22 switch (s->out.format) {
471 14 case ANAGLYPH_RB_GRAY:
472 case ANAGLYPH_RG_GRAY:
473 case ANAGLYPH_RC_GRAY:
474 case ANAGLYPH_RC_HALF:
475 case ANAGLYPH_RC_COLOR:
476 case ANAGLYPH_RC_DUBOIS:
477 case ANAGLYPH_GM_GRAY:
478 case ANAGLYPH_GM_HALF:
479 case ANAGLYPH_GM_COLOR:
480 case ANAGLYPH_GM_DUBOIS:
481 case ANAGLYPH_YB_GRAY:
482 case ANAGLYPH_YB_HALF:
483 case ANAGLYPH_YB_COLOR:
484 case ANAGLYPH_YB_DUBOIS: {
485 uint8_t rgba_map[4];
486
487 14 ff_fill_rgba_map(rgba_map, outlink->format);
488 14 s->ana_matrix[rgba_map[0]] = &ana_coeff[s->out.format][0][0];
489 14 s->ana_matrix[rgba_map[1]] = &ana_coeff[s->out.format][1][0];
490 14 s->ana_matrix[rgba_map[2]] = &ana_coeff[s->out.format][2][0];
491 14 break;
492 }
493 ✗ case SIDE_BY_SIDE_2_LR:
494 ✗ s->aspect.den *= 2;
495 1 case SIDE_BY_SIDE_LR:
496 1 s->out.width = s->width * 2;
497 1 s->out.off_right = s->width;
498 1 break;
499 ✗ case SIDE_BY_SIDE_2_RL:
500 ✗ s->aspect.den *= 2;
501 1 case SIDE_BY_SIDE_RL:
502 1 s->out.width = s->width * 2;
503 1 s->out.off_left = s->width;
504 1 break;
505 ✗ case ABOVE_BELOW_2_LR:
506 ✗ s->aspect.num *= 2;
507 2 case ABOVE_BELOW_LR:
508 2 s->out.height = s->height * 2;
509 2 s->out.row_right = s->height;
510 2 break;
511 ✗ case HDMI:
512 ✗ if (s->height != 720 && s->height != 1080) {
513 ✗ av_log(ctx, AV_LOG_ERROR, "Only 720 and 1080 height supported\n");
514 ✗ return AVERROR(EINVAL);
515 }
516
517 ✗ s->blanks = s->height / 24;
518 ✗ s->out.height = s->height * 2 + s->blanks;
519 ✗ s->out.row_right = s->height + s->blanks;
520 ✗ break;
521 ✗ case ABOVE_BELOW_2_RL:
522 ✗ s->aspect.num *= 2;
523 1 case ABOVE_BELOW_RL:
524 1 s->out.height = s->height * 2;
525 1 s->out.row_left = s->height;
526 1 break;
527 ✗ case INTERLEAVE_ROWS_LR:
528 ✗ s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_RL);
529 ✗ s->out.row_step = 2;
530 ✗ s->out.height = s->height * 2;
531 ✗ s->out.off_rstep = 1;
532 ✗ break;
533 ✗ case INTERLEAVE_ROWS_RL:
534 ✗ s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_LR);
535 ✗ s->out.row_step = 2;
536 ✗ s->out.height = s->height * 2;
537 ✗ s->out.off_lstep = 1;
538 ✗ break;
539 1 case MONO_R:
540
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541 1 s->in.off_left = s->in.off_right;
542 1 s->in.row_left = s->in.row_right;
543 }
544
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 1 if (s->in.format == INTERLEAVE_ROWS_LR)
545 ✗ FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
546 1 break;
547 1 case MONO_L:
548
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 1 if (s->in.format == INTERLEAVE_ROWS_RL)
549 ✗ FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
550 1 break;
551 1 case ALTERNATING_RL:
552 case ALTERNATING_LR:
553 1 fps.num *= 2;
554 1 tb.den *= 2;
555 1 break;
556 ✗ case CHECKERBOARD_LR:
557 case CHECKERBOARD_RL:
558 case INTERLEAVE_COLS_LR:
559 case INTERLEAVE_COLS_RL:
560 ✗ s->out.width = s->width * 2;
561 ✗ break;
562 ✗ default:
563 ✗ av_log(ctx, AV_LOG_ERROR, "output format %d is not supported\n", s->out.format);
564 ✗ return AVERROR(EINVAL);
565 }
566
567
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 22 if (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) {
568 ✗ if ((s->in.format & 1) != (s->out.format & 1)) {
569 ✗ FFSWAP(int, s->in.row_left, s->in.row_right);
570 ✗ FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
571 ✗ FFSWAP(int, s->in.off_left, s->in.off_right);
572 ✗ FFSWAP(int, s->out.row_left, s->out.row_right);
573 ✗ FFSWAP(int, s->out.off_lstep, s->out.off_rstep);
574 ✗ FFSWAP(int, s->out.off_left, s->out.off_right);
575 }
576 }
577
578 22 outlink->w = s->out.width;
579 22 outlink->h = s->out.height;
580 22 outlink->frame_rate = fps;
581 22 outlink->time_base = tb;
582 22 outlink->sample_aspect_ratio = s->aspect;
583
584
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 22 if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, s->width)) < 0)
585 ✗ return ret;
586 22 s->nb_planes = av_pix_fmt_count_planes(outlink->format);
587 22 av_image_fill_max_pixsteps(s->pixstep, NULL, desc);
588 22 s->pheight[1] = s->pheight[2] = AV_CEIL_RSHIFT(s->height, desc->log2_chroma_h);
589 22 s->pheight[0] = s->pheight[3] = s->height;
590 22 s->hsub = desc->log2_chroma_w;
591 22 s->vsub = desc->log2_chroma_h;
592
593 22 s->dsp.anaglyph = anaglyph;
594 #if ARCH_X86
595 22 ff_stereo3d_init_x86(&s->dsp);
596 #endif
597
598 22 return 0;
599 }
600
601 typedef struct ThreadData {
602 AVFrame *ileft, *iright;
603 AVFrame *out;
604 } ThreadData;
605
606 630 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
607 {
608 630 Stereo3DContext *s = ctx->priv;
609 630 ThreadData *td = arg;
610 630 AVFrame *ileft = td->ileft;
611 630 AVFrame *iright = td->iright;
612 630 AVFrame *out = td->out;
613 630 int height = s->out.height;
614 630 int start = (height * jobnr ) / nb_jobs;
615 630 int end = (height * (jobnr+1)) / nb_jobs;
616 630 const int **ana_matrix = s->ana_matrix;
617
618 630 s->dsp.anaglyph(out->data[0] + out->linesize[0] * start,
619 630 ileft ->data[0] + s->in_off_left [0] + ileft->linesize[0] * start * s->in.row_step,
620 630 iright->data[0] + s->in_off_right[0] + iright->linesize[0] * start * s->in.row_step,
621 630 out->linesize[0],
622 630 ileft->linesize[0] * s->in.row_step,
623 630 iright->linesize[0] * s->in.row_step,
624 s->out.width, end - start,
625 630 ana_matrix[0], ana_matrix[1], ana_matrix[2]);
626
627 630 return 0;
628 }
629
630 ✗ static void interleave_cols_to_any(Stereo3DContext *s, int *out_off, int p, AVFrame *in, AVFrame *out, int d)
631 {
632 int y, x;
633
634 ✗ for (y = 0; y < s->pheight[p]; y++) {
635 ✗ const uint8_t *src = (const uint8_t*)in->data[p] + y * in->linesize[p] + d * s->pixstep[p];
636 ✗ uint8_t *dst = out->data[p] + out_off[p] + y * out->linesize[p] * s->out.row_step;
637
638 ✗ switch (s->pixstep[p]) {
639 ✗ case 1:
640 ✗ for (x = 0; x < s->linesize[p]; x++)
641 ✗ dst[x] = src[x * 2];
642 ✗ break;
643 ✗ case 2:
644 ✗ for (x = 0; x < s->linesize[p]; x+=2)
645 ✗ AV_WN16(&dst[x], AV_RN16(&src[x * 2]));
646 ✗ break;
647 ✗ case 3:
648 ✗ for (x = 0; x < s->linesize[p]; x+=3)
649 ✗ AV_WB24(&dst[x], AV_RB24(&src[x * 2]));
650 ✗ break;
651 ✗ case 4:
652 ✗ for (x = 0; x < s->linesize[p]; x+=4)
653 ✗ AV_WN32(&dst[x], AV_RN32(&src[x * 2]));
654 ✗ break;
655 ✗ case 6:
656 ✗ for (x = 0; x < s->linesize[p]; x+=6)
657 ✗ AV_WB48(&dst[x], AV_RB48(&src[x * 2]));
658 ✗ break;
659 ✗ case 8:
660 ✗ for (x = 0; x < s->linesize[p]; x+=8)
661 ✗ AV_WN64(&dst[x], AV_RN64(&src[x * 2]));
662 ✗ break;
663 }
664 }
665 ✗ }
666
667 119 static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
668 {
669 119 AVFilterContext *ctx = inlink->dst;
670 119 Stereo3DContext *s = ctx->priv;
671 119 AVFilterLink *outlink = ctx->outputs[0];
672 119 AVFrame *out = NULL, *oleft, *oright, *ileft, *iright;
673 int out_off_left[4], out_off_right[4];
674 int i, ret;
675
676
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 119 if (s->in.format == s->out.format)
677 ✗ return ff_filter_frame(outlink, inpicref);
678
679
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 119 switch (s->out.format) {
680 4 case ALTERNATING_LR:
681 case ALTERNATING_RL:
682
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 4 if (!s->prev) {
683 1 s->prev = inpicref;
684 1 return 0;
685 }
686 3 break;
687 };
688
689
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 118 switch (s->in.format) {
690 20 case ALTERNATING_LR:
691 case ALTERNATING_RL:
692
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 20 if (!s->prev) {
693 10 s->prev = inpicref;
694 10 return 0;
695 }
696 10 ileft = s->prev;
697 10 iright = inpicref;
698
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 10 if (s->in.format == ALTERNATING_RL)
699 5 FFSWAP(AVFrame *, ileft, iright);
700 10 break;
701 98 default:
702 98 ileft = iright = inpicref;
703 };
704
705
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706
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707
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708 ✗ s->in.format == SIDE_BY_SIDE_RL ||
709 ✗ s->in.format == SIDE_BY_SIDE_2_LR ||
710 ✗ s->in.format == SIDE_BY_SIDE_2_RL ||
711 ✗ s->in.format == ABOVE_BELOW_LR ||
712 ✗ s->in.format == ABOVE_BELOW_RL ||
713 ✗ s->in.format == ABOVE_BELOW_2_LR ||
714 ✗ s->in.format == ABOVE_BELOW_2_RL ||
715 ✗ s->in.format == INTERLEAVE_ROWS_LR ||
716 ✗ s->in.format == INTERLEAVE_ROWS_RL)) {
717 3 oright = av_frame_clone(s->prev);
718 3 oleft = av_frame_clone(s->prev);
719
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 3 if (!oright || !oleft) {
720 ✗ av_frame_free(&oright);
721 ✗ av_frame_free(&oleft);
722 ✗ av_frame_free(&s->prev);
723 ✗ av_frame_free(&inpicref);
724 ✗ return AVERROR(ENOMEM);
725 }
726
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 105 } else if ((s->out.format == MONO_L ||
727
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 100 s->out.format == MONO_R) &&
728
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733
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734 ✗ s->in.format == ABOVE_BELOW_2_LR ||
735 ✗ s->in.format == ABOVE_BELOW_2_RL ||
736 ✗ s->in.format == INTERLEAVE_ROWS_LR ||
737 ✗ s->in.format == INTERLEAVE_ROWS_RL)) {
738 10 out = oleft = oright = av_frame_clone(inpicref);
739
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 10 if (!out) {
740 ✗ av_frame_free(&s->prev);
741 ✗ av_frame_free(&inpicref);
742 ✗ return AVERROR(ENOMEM);
743 }
744
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745
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 95 (s->out.format == MONO_R && s->in.format == ALTERNATING_RL)) {
746 ✗ s->prev->pts /= 2;
747 ✗ ret = ff_filter_frame(outlink, s->prev);
748 ✗ av_frame_free(&inpicref);
749 ✗ s->prev = NULL;
750 ✗ return ret;
751
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752
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753 ✗ av_frame_free(&s->prev);
754 ✗ inpicref->pts /= 2;
755 ✗ return ff_filter_frame(outlink, inpicref);
756
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757
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 95 (s->out.format == ALTERNATING_RL && s->in.format == ALTERNATING_LR)) {
758 ✗ FFSWAP(int64_t, s->prev->pts, inpicref->pts);
759 ✗ ff_filter_frame(outlink, inpicref);
760 ✗ ret = ff_filter_frame(outlink, s->prev);
761 ✗ s->prev = NULL;
762 ✗ return ret;
763 } else {
764 95 out = oleft = oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
765
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 95 if (!out) {
766 ✗ av_frame_free(&s->prev);
767 ✗ av_frame_free(&inpicref);
768 ✗ return AVERROR(ENOMEM);
769 }
770 95 av_frame_copy_props(out, inpicref);
771
772
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 95 if (s->out.format == ALTERNATING_LR ||
773
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 95 s->out.format == ALTERNATING_RL) {
774 ✗ oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
775 ✗ if (!oright) {
776 ✗ av_frame_free(&oleft);
777 ✗ av_frame_free(&s->prev);
778 ✗ av_frame_free(&inpicref);
779 ✗ return AVERROR(ENOMEM);
780 }
781 ✗ av_frame_copy_props(oright, s->prev);
782 }
783 }
784
785
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 540 for (i = 0; i < 4; i++) {
786
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 432 int hsub = i == 1 || i == 2 ? s->hsub : 0;
787
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 432 int vsub = i == 1 || i == 2 ? s->vsub : 0;
788 432 s->in_off_left[i] = (AV_CEIL_RSHIFT(s->in.row_left, vsub) + s->in.off_lstep) * ileft->linesize[i] + AV_CEIL_RSHIFT(s->in.off_left * s->pixstep[i], hsub);
789 432 s->in_off_right[i] = (AV_CEIL_RSHIFT(s->in.row_right, vsub) + s->in.off_rstep) * iright->linesize[i] + AV_CEIL_RSHIFT(s->in.off_right * s->pixstep[i], hsub);
790 432 out_off_left[i] = (AV_CEIL_RSHIFT(s->out.row_left, vsub) + s->out.off_lstep) * oleft->linesize[i] + AV_CEIL_RSHIFT(s->out.off_left * s->pixstep[i], hsub);
791 432 out_off_right[i] = (AV_CEIL_RSHIFT(s->out.row_right, vsub) + s->out.off_rstep) * oright->linesize[i] + AV_CEIL_RSHIFT(s->out.off_right * s->pixstep[i], hsub);
792 }
793
794
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 108 switch (s->out.format) {
795 3 case ALTERNATING_LR:
796 case ALTERNATING_RL:
797
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 3 switch (s->in.format) {
798 ✗ case INTERLEAVE_ROWS_LR:
799 case INTERLEAVE_ROWS_RL:
800 ✗ for (i = 0; i < s->nb_planes; i++) {
801 ✗ oleft->linesize[i] *= 2;
802 ✗ oright->linesize[i] *= 2;
803 }
804 case ABOVE_BELOW_LR:
805 case ABOVE_BELOW_RL:
806 case ABOVE_BELOW_2_LR:
807 case ABOVE_BELOW_2_RL:
808 case SIDE_BY_SIDE_LR:
809 case SIDE_BY_SIDE_RL:
810 case SIDE_BY_SIDE_2_LR:
811 case SIDE_BY_SIDE_2_RL:
812 3 oleft->width = outlink->w;
813 3 oright->width = outlink->w;
814 3 oleft->height = outlink->h;
815 3 oright->height = outlink->h;
816
817
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 12 for (i = 0; i < s->nb_planes; i++) {
818 9 oleft->data[i] += s->in_off_left[i];
819 9 oright->data[i] += s->in_off_right[i];
820 }
821 3 break;
822 ✗ default:
823 ✗ goto copy;
824 break;
825 }
826 3 break;
827 ✗ case HDMI:
828 ✗ for (i = 0; i < s->nb_planes; i++) {
829 ✗ int j, h = s->height >> ((i == 1 || i == 2) ? s->vsub : 0);
830 ✗ int b = (s->blanks) >> ((i == 1 || i == 2) ? s->vsub : 0);
831
832 ✗ for (j = h; j < h + b; j++)
833 ✗ memset(oleft->data[i] + j * s->linesize[i], 0, s->linesize[i]);
834 }
835 case SIDE_BY_SIDE_LR:
836 case SIDE_BY_SIDE_RL:
837 case SIDE_BY_SIDE_2_LR:
838 case SIDE_BY_SIDE_2_RL:
839 case ABOVE_BELOW_LR:
840 case ABOVE_BELOW_RL:
841 case ABOVE_BELOW_2_LR:
842 case ABOVE_BELOW_2_RL:
843 case INTERLEAVE_ROWS_LR:
844 case INTERLEAVE_ROWS_RL:
845 ✗ copy:
846
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 25 if (s->in.format == INTERLEAVE_COLS_LR ||
847
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 25 s->in.format == INTERLEAVE_COLS_RL) {
848 ✗ for (i = 0; i < s->nb_planes; i++) {
849 ✗ int d = (s->in.format & 1) != (s->out.format & 1);
850
851 ✗ interleave_cols_to_any(s, out_off_left, i, ileft, oleft, d);
852 ✗ interleave_cols_to_any(s, out_off_right, i, iright, oright, !d);
853 }
854 } else {
855
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 100 for (i = 0; i < s->nb_planes; i++) {
856 75 av_image_copy_plane(oleft->data[i] + out_off_left[i],
857 75 oleft->linesize[i] * s->out.row_step,
858 75 ileft->data[i] + s->in_off_left[i],
859 75 ileft->linesize[i] * s->in.row_step,
860 s->linesize[i], s->pheight[i]);
861 75 av_image_copy_plane(oright->data[i] + out_off_right[i],
862 75 oright->linesize[i] * s->out.row_step,
863 75 iright->data[i] + s->in_off_right[i],
864 75 iright->linesize[i] * s->in.row_step,
865 s->linesize[i], s->pheight[i]);
866 }
867 }
868 25 break;
869 5 case MONO_L:
870 5 iright = ileft;
871 10 case MONO_R:
872
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 10 switch (s->in.format) {
873 ✗ case INTERLEAVE_ROWS_LR:
874 case INTERLEAVE_ROWS_RL:
875 ✗ for (i = 0; i < s->nb_planes; i++) {
876 ✗ out->linesize[i] *= 2;
877 }
878 case ABOVE_BELOW_LR:
879 case ABOVE_BELOW_RL:
880 case ABOVE_BELOW_2_LR:
881 case ABOVE_BELOW_2_RL:
882 case SIDE_BY_SIDE_LR:
883 case SIDE_BY_SIDE_RL:
884 case SIDE_BY_SIDE_2_LR:
885 case SIDE_BY_SIDE_2_RL:
886 10 out->width = outlink->w;
887 10 out->height = outlink->h;
888
889
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 40 for (i = 0; i < s->nb_planes; i++) {
890 30 out->data[i] += s->in_off_left[i];
891 }
892 10 break;
893 ✗ case INTERLEAVE_COLS_LR:
894 case INTERLEAVE_COLS_RL:
895 ✗ for (i = 0; i < s->nb_planes; i++) {
896 ✗ const int d = (s->in.format & 1) != (s->out.format & 1);
897
898 ✗ interleave_cols_to_any(s, out_off_right, i, iright, out, d);
899 }
900 ✗ break;
901 ✗ default:
902 ✗ for (i = 0; i < s->nb_planes; i++) {
903 ✗ av_image_copy_plane(out->data[i], out->linesize[i],
904 ✗ iright->data[i] + s->in_off_left[i],
905 ✗ iright->linesize[i] * s->in.row_step,
906 s->linesize[i], s->pheight[i]);
907 }
908 ✗ break;
909 }
910 10 break;
911 70 case ANAGLYPH_RB_GRAY:
912 case ANAGLYPH_RG_GRAY:
913 case ANAGLYPH_RC_GRAY:
914 case ANAGLYPH_RC_HALF:
915 case ANAGLYPH_RC_COLOR:
916 case ANAGLYPH_RC_DUBOIS:
917 case ANAGLYPH_GM_GRAY:
918 case ANAGLYPH_GM_HALF:
919 case ANAGLYPH_GM_COLOR:
920 case ANAGLYPH_GM_DUBOIS:
921 case ANAGLYPH_YB_GRAY:
922 case ANAGLYPH_YB_HALF:
923 case ANAGLYPH_YB_COLOR:
924 case ANAGLYPH_YB_DUBOIS: {
925
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 70 if (s->in.format == INTERLEAVE_COLS_LR ||
926
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 70 s->in.format == INTERLEAVE_COLS_RL) {
927 ✗ const int d = (s->in.format & 1);
928
929 ✗ anaglyph_ic(out->data[0],
930 ✗ ileft ->data[0] + s->in_off_left [0] + d * 3,
931 ✗ iright->data[0] + s->in_off_right[0] + (!d) * 3,
932 ✗ out->linesize[0],
933 ✗ ileft->linesize[0] * s->in.row_step,
934 ✗ iright->linesize[0] * s->in.row_step,
935 s->out.width, s->out.height,
936 s->ana_matrix[0], s->ana_matrix[1], s->ana_matrix[2]);
937 } else {
938 ThreadData td;
939
940 70 td.ileft = ileft; td.iright = iright; td.out = out;
941 70 ff_filter_execute(ctx, filter_slice, &td, NULL,
942
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 70 FFMIN(s->out.height, ff_filter_get_nb_threads(ctx)));
943 }
944 70 break;
945 }
946 ✗ case CHECKERBOARD_RL:
947 case CHECKERBOARD_LR:
948 ✗ for (i = 0; i < s->nb_planes; i++) {
949 int x, y;
950
951 ✗ for (y = 0; y < s->pheight[i]; y++) {
952 ✗ uint8_t *dst = out->data[i] + out->linesize[i] * y;
953 ✗ const int d1 = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) && (s->in.format & 1) != (s->out.format & 1);
954 ✗ const int d2 = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) ? !d1 : 0;
955 ✗ const int m = 1 + (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL);
956 ✗ uint8_t *left = ileft->data[i] + ileft->linesize[i] * y + s->in_off_left[i] + d1 * s->pixstep[i];
957 ✗ uint8_t *right = iright->data[i] + iright->linesize[i] * y + s->in_off_right[i] + d2 * s->pixstep[i];
958 int p, b;
959
960 ✗ if (s->out.format == CHECKERBOARD_RL && s->in.format != INTERLEAVE_COLS_LR && s->in.format != INTERLEAVE_COLS_RL)
961 ✗ FFSWAP(uint8_t*, left, right);
962 ✗ switch (s->pixstep[i]) {
963 ✗ case 1:
964 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b+=2) {
965 ✗ dst[x ] = (b&1) == (y&1) ? left[p*m] : right[p*m];
966 ✗ dst[x+1] = (b&1) != (y&1) ? left[p*m] : right[p*m];
967 }
968 ✗ break;
969 ✗ case 2:
970 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b+=2) {
971 ✗ AV_WN16(&dst[x ], (b&1) == (y&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
972 ✗ AV_WN16(&dst[x+2], (b&1) != (y&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
973 }
974 ✗ break;
975 ✗ case 3:
976 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b+=2) {
977 ✗ AV_WB24(&dst[x ], (b&1) == (y&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
978 ✗ AV_WB24(&dst[x+3], (b&1) != (y&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
979 }
980 ✗ break;
981 ✗ case 4:
982 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b+=2) {
983 ✗ AV_WN32(&dst[x ], (b&1) == (y&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
984 ✗ AV_WN32(&dst[x+4], (b&1) != (y&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
985 }
986 ✗ break;
987 ✗ case 6:
988 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b+=2) {
989 ✗ AV_WB48(&dst[x ], (b&1) == (y&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
990 ✗ AV_WB48(&dst[x+6], (b&1) != (y&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
991 }
992 ✗ break;
993 ✗ case 8:
994 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b+=2) {
995 ✗ AV_WN64(&dst[x ], (b&1) == (y&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
996 ✗ AV_WN64(&dst[x+8], (b&1) != (y&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
997 }
998 ✗ break;
999 }
1000 }
1001 }
1002 ✗ break;
1003 ✗ case INTERLEAVE_COLS_LR:
1004 case INTERLEAVE_COLS_RL:
1005 ✗ for (i = 0; i < s->nb_planes; i++) {
1006 ✗ const int d = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL);
1007 ✗ const int m = 1 + d;
1008 int x, y;
1009
1010 ✗ for (y = 0; y < s->pheight[i]; y++) {
1011 ✗ uint8_t *dst = out->data[i] + out->linesize[i] * y;
1012 ✗ uint8_t *left = ileft->data[i] + ileft->linesize[i] * y * s->in.row_step + s->in_off_left[i] + d * s->pixstep[i];
1013 ✗ uint8_t *right = iright->data[i] + iright->linesize[i] * y * s->in.row_step + s->in_off_right[i];
1014 int p, b;
1015
1016 ✗ if (s->out.format == INTERLEAVE_COLS_LR)
1017 ✗ FFSWAP(uint8_t*, left, right);
1018
1019 ✗ switch (s->pixstep[i]) {
1020 ✗ case 1:
1021 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b+=2) {
1022 ✗ dst[x ] = b&1 ? left[p*m] : right[p*m];
1023 ✗ dst[x+1] = !(b&1) ? left[p*m] : right[p*m];
1024 }
1025 ✗ break;
1026 ✗ case 2:
1027 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b+=2) {
1028 ✗ AV_WN16(&dst[x ], b&1 ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
1029 ✗ AV_WN16(&dst[x+2], !(b&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
1030 }
1031 ✗ break;
1032 ✗ case 3:
1033 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b+=2) {
1034 ✗ AV_WB24(&dst[x ], b&1 ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
1035 ✗ AV_WB24(&dst[x+3], !(b&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
1036 }
1037 ✗ break;
1038 ✗ case 4:
1039 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b+=2) {
1040 ✗ AV_WN32(&dst[x ], b&1 ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1041 ✗ AV_WN32(&dst[x+4], !(b&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1042 }
1043 ✗ break;
1044 ✗ case 6:
1045 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b+=2) {
1046 ✗ AV_WB48(&dst[x ], b&1 ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1047 ✗ AV_WB48(&dst[x+6], !(b&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1048 }
1049 ✗ break;
1050 ✗ case 8:
1051 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b+=2) {
1052 ✗ AV_WN64(&dst[x ], b&1 ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1053 ✗ AV_WN64(&dst[x+8], !(b&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1054 }
1055 ✗ break;
1056 }
1057 }
1058 }
1059 ✗ break;
1060 ✗ default:
1061 ✗ av_assert0(0);
1062 }
1063
1064
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 108 if (oright != oleft) {
1065
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 3 if (s->out.format == ALTERNATING_LR)
1066 3 FFSWAP(AVFrame *, oleft, oright);
1067 3 oright->pts = s->prev->pts * 2;
1068 3 ff_filter_frame(outlink, oright);
1069 3 out = oleft;
1070 3 oleft->pts = s->prev->pts + inpicref->pts;
1071 3 av_frame_free(&s->prev);
1072 3 s->prev = inpicref;
1073
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 105 } else if (s->in.format == ALTERNATING_LR ||
1074
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 100 s->in.format == ALTERNATING_RL) {
1075 10 out->pts = s->prev->pts / 2;
1076 10 av_frame_free(&s->prev);
1077 10 av_frame_free(&inpicref);
1078 } else {
1079 95 av_frame_free(&s->prev);
1080 95 av_frame_free(&inpicref);
1081 }
1082
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 108 av_assert0(out);
1083 108 out->sample_aspect_ratio = s->aspect;
1084 108 return ff_filter_frame(outlink, out);
1085 }
1086
1087 44 static av_cold void uninit(AVFilterContext *ctx)
1088 {
1089 44 Stereo3DContext *s = ctx->priv;
1090
1091 44 av_frame_free(&s->prev);
1092 44 }
1093
1094 static const AVFilterPad stereo3d_inputs[] = {
1095 {
1096 .name = "default",
1097 .type = AVMEDIA_TYPE_VIDEO,
1098 .filter_frame = filter_frame,
1099 },
1100 };
1101
1102 static const AVFilterPad stereo3d_outputs[] = {
1103 {
1104 .name = "default",
1105 .type = AVMEDIA_TYPE_VIDEO,
1106 .config_props = config_output,
1107 },
1108 };
1109
1110 const AVFilter ff_vf_stereo3d = {
1111 .name = "stereo3d",
1112 .description = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."),
1113 .priv_size = sizeof(Stereo3DContext),
1114 .uninit = uninit,
1115 FILTER_INPUTS(stereo3d_inputs),
1116 FILTER_OUTPUTS(stereo3d_outputs),
1117 FILTER_QUERY_FUNC(query_formats),
1118 .priv_class = &stereo3d_class,
1119 .flags = AVFILTER_FLAG_SLICE_THREADS,
1120 };
1121