FFmpeg coverage

Directory: ../../../ffmpeg/
File: src/libavfilter/vf_stereo3d.c
Date: 2026-05-03 18:45:46
Exec Total Coverage
Lines: 266 555 47.9%
Functions: 7 9 77.8%
Branches: 101 407 24.8%
Line Branch Exec Source
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 "filters.h"
31 #include "formats.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(const AVFilterContext *ctx,
283 AVFilterFormatsConfig **cfg_in,
284 AVFilterFormatsConfig **cfg_out)
285 {
286 22 const Stereo3DContext *s = ctx->priv;
287 const enum AVPixelFormat *pix_fmts;
288
289
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 22 switch (s->out.format) {
290 14 case ANAGLYPH_GM_COLOR:
291 case ANAGLYPH_GM_DUBOIS:
292 case ANAGLYPH_GM_GRAY:
293 case ANAGLYPH_GM_HALF:
294 case ANAGLYPH_RB_GRAY:
295 case ANAGLYPH_RC_COLOR:
296 case ANAGLYPH_RC_DUBOIS:
297 case ANAGLYPH_RC_GRAY:
298 case ANAGLYPH_RC_HALF:
299 case ANAGLYPH_RG_GRAY:
300 case ANAGLYPH_YB_COLOR:
301 case ANAGLYPH_YB_DUBOIS:
302 case ANAGLYPH_YB_GRAY:
303 case ANAGLYPH_YB_HALF:
304 14 pix_fmts = anaglyph_pix_fmts;
305 14 break;
306 8 default:
307 8 pix_fmts = other_pix_fmts;
308 }
309
310 22 return ff_set_pixel_formats_from_list2(ctx, cfg_in, cfg_out, pix_fmts);
311 }
312
313 12773376 static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right)
314 {
315 int sum;
316
317 12773376 sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in
318 12773376 sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in
319 12773376 sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in
320
321 12773376 return av_clip_uint8(sum >> 16);
322 }
323
324 ✗ static void anaglyph_ic(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
325 ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
326 int width, int height,
327 const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
328 {
329 int x, y, o;
330
331 ✗ for (y = 0; y < height; y++) {
332 ✗ for (o = 0, x = 0; x < width; x++, o+= 3) {
333 ✗ dst[o ] = ana_convert(ana_matrix_r, lsrc + o * 2, rsrc + o * 2);
334 ✗ dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o * 2, rsrc + o * 2);
335 ✗ dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o * 2, rsrc + o * 2);
336 }
337
338 ✗ dst += dst_linesize;
339 ✗ lsrc += l_linesize;
340 ✗ rsrc += r_linesize;
341 }
342 ✗ }
343
344 756 static void anaglyph(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
345 ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
346 int width, int height,
347 const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
348 {
349 int x, y, o;
350
351
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 24948 for (y = 0; y < height; y++) {
352
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 4281984 for (o = 0, x = 0; x < width; x++, o+= 3) {
353 4257792 dst[o ] = ana_convert(ana_matrix_r, lsrc + o, rsrc + o);
354 4257792 dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o, rsrc + o);
355 4257792 dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o, rsrc + o);
356 }
357
358 24192 dst += dst_linesize;
359 24192 lsrc += l_linesize;
360 24192 rsrc += r_linesize;
361 }
362 756 }
363
364 22 static int config_output(AVFilterLink *outlink)
365 {
366 22 AVFilterContext *ctx = outlink->src;
367 22 AVFilterLink *inlink = ctx->inputs[0];
368 22 Stereo3DContext *s = ctx->priv;
369 22 FilterLink *il = ff_filter_link(inlink);
370 22 FilterLink *ol = ff_filter_link(outlink);
371 22 AVRational fps = il->frame_rate;
372 22 AVRational tb = inlink->time_base;
373 22 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
374 int ret;
375 22 s->aspect = inlink->sample_aspect_ratio;
376
377
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 22 switch (s->in.format) {
378 18 case INTERLEAVE_COLS_LR:
379 case INTERLEAVE_COLS_RL:
380 case SIDE_BY_SIDE_2_LR:
381 case SIDE_BY_SIDE_LR:
382 case SIDE_BY_SIDE_2_RL:
383 case SIDE_BY_SIDE_RL:
384
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 18 if (inlink->w & 1) {
385 ✗ av_log(ctx, AV_LOG_ERROR, "width must be even\n");
386 ✗ return AVERROR_INVALIDDATA;
387 }
388 18 break;
389 2 case INTERLEAVE_ROWS_LR:
390 case INTERLEAVE_ROWS_RL:
391 case ABOVE_BELOW_2_LR:
392 case ABOVE_BELOW_LR:
393 case ABOVE_BELOW_2_RL:
394 case ABOVE_BELOW_RL:
395
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 2 if (inlink->h & 1) {
396 ✗ av_log(ctx, AV_LOG_ERROR, "height must be even\n");
397 ✗ return AVERROR_INVALIDDATA;
398 }
399 2 break;
400 }
401
402 22 s->in.width =
403 22 s->width = inlink->w;
404 22 s->in.height =
405 22 s->height = inlink->h;
406 22 s->in.off_lstep =
407 22 s->in.off_rstep =
408 22 s->in.off_left =
409 22 s->in.off_right =
410 22 s->in.row_left =
411 22 s->in.row_right = 0;
412 22 s->in.row_step = 1;
413
414
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 22 switch (s->in.format) {
415 ✗ case SIDE_BY_SIDE_2_LR:
416 ✗ s->aspect.num *= 2;
417 av_fallthrough;
418 18 case SIDE_BY_SIDE_LR:
419 18 s->width = inlink->w / 2;
420 18 s->in.off_right = s->width;
421 18 break;
422 ✗ case SIDE_BY_SIDE_2_RL:
423 ✗ s->aspect.num *= 2;
424 av_fallthrough;
425 ✗ case SIDE_BY_SIDE_RL:
426 ✗ s->width = inlink->w / 2;
427 ✗ s->in.off_left = s->width;
428 ✗ break;
429 ✗ case ABOVE_BELOW_2_LR:
430 ✗ s->aspect.den *= 2;
431 av_fallthrough;
432 ✗ case ABOVE_BELOW_LR:
433 ✗ s->in.row_right =
434 ✗ s->height = inlink->h / 2;
435 ✗ break;
436 ✗ case ABOVE_BELOW_2_RL:
437 ✗ s->aspect.den *= 2;
438 av_fallthrough;
439 2 case ABOVE_BELOW_RL:
440 2 s->in.row_left =
441 2 s->height = inlink->h / 2;
442 2 break;
443 2 case ALTERNATING_RL:
444 case ALTERNATING_LR:
445 2 fps.den *= 2;
446 2 tb.num *= 2;
447 2 break;
448 ✗ case INTERLEAVE_COLS_RL:
449 case INTERLEAVE_COLS_LR:
450 ✗ s->width = inlink->w / 2;
451 ✗ break;
452 ✗ case INTERLEAVE_ROWS_LR:
453 case INTERLEAVE_ROWS_RL:
454 ✗ s->in.row_step = 2;
455 ✗ if (s->in.format == INTERLEAVE_ROWS_RL)
456 ✗ s->in.off_lstep = 1;
457 else
458 ✗ s->in.off_rstep = 1;
459 ✗ if (s->out.format != CHECKERBOARD_LR &&
460 ✗ s->out.format != CHECKERBOARD_RL)
461 ✗ s->height = inlink->h / 2;
462 ✗ break;
463 ✗ default:
464 ✗ av_log(ctx, AV_LOG_ERROR, "input format %d is not supported\n", s->in.format);
465 ✗ return AVERROR(EINVAL);
466 }
467
468 22 s->out.width = s->width;
469 22 s->out.height = s->height;
470 22 s->out.off_lstep =
471 22 s->out.off_rstep =
472 22 s->out.off_left =
473 22 s->out.off_right =
474 22 s->out.row_left =
475 22 s->out.row_right = 0;
476 22 s->out.row_step = 1;
477
478
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 22 switch (s->out.format) {
479 14 case ANAGLYPH_RB_GRAY:
480 case ANAGLYPH_RG_GRAY:
481 case ANAGLYPH_RC_GRAY:
482 case ANAGLYPH_RC_HALF:
483 case ANAGLYPH_RC_COLOR:
484 case ANAGLYPH_RC_DUBOIS:
485 case ANAGLYPH_GM_GRAY:
486 case ANAGLYPH_GM_HALF:
487 case ANAGLYPH_GM_COLOR:
488 case ANAGLYPH_GM_DUBOIS:
489 case ANAGLYPH_YB_GRAY:
490 case ANAGLYPH_YB_HALF:
491 case ANAGLYPH_YB_COLOR:
492 case ANAGLYPH_YB_DUBOIS: {
493 uint8_t rgba_map[4];
494
495 14 ff_fill_rgba_map(rgba_map, outlink->format);
496 14 s->ana_matrix[rgba_map[0]] = &ana_coeff[s->out.format][0][0];
497 14 s->ana_matrix[rgba_map[1]] = &ana_coeff[s->out.format][1][0];
498 14 s->ana_matrix[rgba_map[2]] = &ana_coeff[s->out.format][2][0];
499 14 break;
500 }
501 ✗ case SIDE_BY_SIDE_2_LR:
502 ✗ s->aspect.den *= 2;
503 av_fallthrough;
504 1 case SIDE_BY_SIDE_LR:
505 1 s->out.width = s->width * 2;
506 1 s->out.off_right = s->width;
507 1 break;
508 ✗ case SIDE_BY_SIDE_2_RL:
509 ✗ s->aspect.den *= 2;
510 av_fallthrough;
511 1 case SIDE_BY_SIDE_RL:
512 1 s->out.width = s->width * 2;
513 1 s->out.off_left = s->width;
514 1 break;
515 ✗ case ABOVE_BELOW_2_LR:
516 ✗ s->aspect.num *= 2;
517 av_fallthrough;
518 2 case ABOVE_BELOW_LR:
519 2 s->out.height = s->height * 2;
520 2 s->out.row_right = s->height;
521 2 break;
522 ✗ case HDMI:
523 ✗ if (s->height != 720 && s->height != 1080) {
524 ✗ av_log(ctx, AV_LOG_ERROR, "Only 720 and 1080 height supported\n");
525 ✗ return AVERROR(EINVAL);
526 }
527
528 ✗ s->blanks = s->height / 24;
529 ✗ s->out.height = s->height * 2 + s->blanks;
530 ✗ s->out.row_right = s->height + s->blanks;
531 ✗ break;
532 ✗ case ABOVE_BELOW_2_RL:
533 ✗ s->aspect.num *= 2;
534 av_fallthrough;
535 1 case ABOVE_BELOW_RL:
536 1 s->out.height = s->height * 2;
537 1 s->out.row_left = s->height;
538 1 break;
539 ✗ case INTERLEAVE_ROWS_LR:
540 ✗ s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_RL);
541 ✗ s->out.row_step = 2;
542 ✗ s->out.height = s->height * 2;
543 ✗ s->out.off_rstep = 1;
544 ✗ break;
545 ✗ case INTERLEAVE_ROWS_RL:
546 ✗ s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_LR);
547 ✗ s->out.row_step = 2;
548 ✗ s->out.height = s->height * 2;
549 ✗ s->out.off_lstep = 1;
550 ✗ break;
551 1 case MONO_R:
552
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553 1 s->in.off_left = s->in.off_right;
554 1 s->in.row_left = s->in.row_right;
555 }
556
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 1 if (s->in.format == INTERLEAVE_ROWS_LR)
557 ✗ FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
558 1 break;
559 1 case MONO_L:
560
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 1 if (s->in.format == INTERLEAVE_ROWS_RL)
561 ✗ FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
562 1 break;
563 1 case ALTERNATING_RL:
564 case ALTERNATING_LR:
565 1 fps.num *= 2;
566 1 tb.den *= 2;
567 1 break;
568 ✗ case CHECKERBOARD_LR:
569 case CHECKERBOARD_RL:
570 case INTERLEAVE_COLS_LR:
571 case INTERLEAVE_COLS_RL:
572 ✗ s->out.width = s->width * 2;
573 ✗ break;
574 ✗ default:
575 ✗ av_log(ctx, AV_LOG_ERROR, "output format %d is not supported\n", s->out.format);
576 ✗ return AVERROR(EINVAL);
577 }
578
579
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 22 if (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) {
580 ✗ if ((s->in.format & 1) != (s->out.format & 1)) {
581 ✗ FFSWAP(int, s->in.row_left, s->in.row_right);
582 ✗ FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
583 ✗ FFSWAP(int, s->in.off_left, s->in.off_right);
584 ✗ FFSWAP(int, s->out.row_left, s->out.row_right);
585 ✗ FFSWAP(int, s->out.off_lstep, s->out.off_rstep);
586 ✗ FFSWAP(int, s->out.off_left, s->out.off_right);
587 }
588 }
589
590 22 outlink->w = s->out.width;
591 22 outlink->h = s->out.height;
592 22 ol->frame_rate = fps;
593 22 outlink->time_base = tb;
594 22 outlink->sample_aspect_ratio = s->aspect;
595
596
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 22 if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, s->width)) < 0)
597 ✗ return ret;
598 22 s->nb_planes = av_pix_fmt_count_planes(outlink->format);
599 22 av_image_fill_max_pixsteps(s->pixstep, NULL, desc);
600 22 s->pheight[1] = s->pheight[2] = AV_CEIL_RSHIFT(s->height, desc->log2_chroma_h);
601 22 s->pheight[0] = s->pheight[3] = s->height;
602 22 s->hsub = desc->log2_chroma_w;
603 22 s->vsub = desc->log2_chroma_h;
604
605 22 s->dsp.anaglyph = anaglyph;
606 #if ARCH_X86 && HAVE_X86ASM
607 22 ff_stereo3d_init_x86(&s->dsp);
608 #endif
609
610 22 return 0;
611 }
612
613 typedef struct ThreadData {
614 AVFrame *ileft, *iright;
615 AVFrame *out;
616 } ThreadData;
617
618 756 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
619 {
620 756 Stereo3DContext *s = ctx->priv;
621 756 ThreadData *td = arg;
622 756 AVFrame *ileft = td->ileft;
623 756 AVFrame *iright = td->iright;
624 756 AVFrame *out = td->out;
625 756 int height = s->out.height;
626 756 int start = (height * jobnr ) / nb_jobs;
627 756 int end = (height * (jobnr+1)) / nb_jobs;
628 756 const int **ana_matrix = s->ana_matrix;
629
630 756 s->dsp.anaglyph(out->data[0] + out->linesize[0] * start,
631 756 ileft ->data[0] + s->in_off_left [0] + ileft->linesize[0] * start * s->in.row_step,
632 756 iright->data[0] + s->in_off_right[0] + iright->linesize[0] * start * s->in.row_step,
633 756 out->linesize[0],
634 756 ileft->linesize[0] * s->in.row_step,
635 756 iright->linesize[0] * s->in.row_step,
636 s->out.width, end - start,
637 756 ana_matrix[0], ana_matrix[1], ana_matrix[2]);
638
639 756 return 0;
640 }
641
642 ✗ static void interleave_cols_to_any(Stereo3DContext *s, int *out_off, int p, AVFrame *in, AVFrame *out, int d)
643 {
644 int y, x;
645
646 ✗ for (y = 0; y < s->pheight[p]; y++) {
647 ✗ const uint8_t *src = (const uint8_t*)in->data[p] + y * in->linesize[p] + d * s->pixstep[p];
648 ✗ uint8_t *dst = out->data[p] + out_off[p] + y * out->linesize[p] * s->out.row_step;
649
650 ✗ switch (s->pixstep[p]) {
651 ✗ case 1:
652 ✗ for (x = 0; x < s->linesize[p]; x++)
653 ✗ dst[x] = src[x * 2];
654 ✗ break;
655 ✗ case 2:
656 ✗ for (x = 0; x < s->linesize[p]; x+=2)
657 ✗ AV_WN16(&dst[x], AV_RN16(&src[x * 2]));
658 ✗ break;
659 ✗ case 3:
660 ✗ for (x = 0; x < s->linesize[p]; x+=3)
661 ✗ AV_WB24(&dst[x], AV_RB24(&src[x * 2]));
662 ✗ break;
663 ✗ case 4:
664 ✗ for (x = 0; x < s->linesize[p]; x+=4)
665 ✗ AV_WN32(&dst[x], AV_RN32(&src[x * 2]));
666 ✗ break;
667 ✗ case 6:
668 ✗ for (x = 0; x < s->linesize[p]; x+=6)
669 ✗ AV_WB48(&dst[x], AV_RB48(&src[x * 2]));
670 ✗ break;
671 ✗ case 8:
672 ✗ for (x = 0; x < s->linesize[p]; x+=8)
673 ✗ AV_WN64(&dst[x], AV_RN64(&src[x * 2]));
674 ✗ break;
675 }
676 }
677 ✗ }
678
679 141 static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
680 {
681 141 AVFilterContext *ctx = inlink->dst;
682 141 Stereo3DContext *s = ctx->priv;
683 141 AVFilterLink *outlink = ctx->outputs[0];
684 141 AVFrame *out = NULL, *oleft, *oright, *ileft, *iright;
685 int out_off_left[4], out_off_right[4];
686 int i, ret;
687
688
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 141 if (s->in.format == s->out.format)
689 ✗ return ff_filter_frame(outlink, inpicref);
690
691
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 141 switch (s->out.format) {
692 5 case ALTERNATING_LR:
693 case ALTERNATING_RL:
694
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 5 if (!s->prev) {
695 1 s->prev = inpicref;
696 1 return 0;
697 }
698 4 break;
699 };
700
701
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 140 switch (s->in.format) {
702 22 case ALTERNATING_LR:
703 case ALTERNATING_RL:
704
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 22 if (!s->prev) {
705 12 s->prev = inpicref;
706 12 return 0;
707 }
708 10 ileft = s->prev;
709 10 iright = inpicref;
710
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 10 if (s->in.format == ALTERNATING_RL)
711 5 FFSWAP(AVFrame *, ileft, iright);
712 10 break;
713 118 default:
714 118 ileft = iright = inpicref;
715 };
716
717
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 128 if ((s->out.format == ALTERNATING_LR ||
718
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719
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720 ✗ s->in.format == SIDE_BY_SIDE_RL ||
721 ✗ s->in.format == SIDE_BY_SIDE_2_LR ||
722 ✗ s->in.format == SIDE_BY_SIDE_2_RL ||
723 ✗ s->in.format == ABOVE_BELOW_LR ||
724 ✗ s->in.format == ABOVE_BELOW_RL ||
725 ✗ s->in.format == ABOVE_BELOW_2_LR ||
726 ✗ s->in.format == ABOVE_BELOW_2_RL ||
727 ✗ s->in.format == INTERLEAVE_ROWS_LR ||
728 ✗ s->in.format == INTERLEAVE_ROWS_RL)) {
729 4 oright = av_frame_clone(s->prev);
730 4 oleft = av_frame_clone(s->prev);
731
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 4 if (!oright || !oleft) {
732 ✗ av_frame_free(&oright);
733 ✗ av_frame_free(&oleft);
734 ✗ av_frame_free(&s->prev);
735 ✗ av_frame_free(&inpicref);
736 ✗ return AVERROR(ENOMEM);
737 }
738
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739
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 118 s->out.format == MONO_R) &&
740
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744
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745
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 12 s->in.format == ABOVE_BELOW_RL ||
746 ✗ s->in.format == ABOVE_BELOW_2_LR ||
747 ✗ s->in.format == ABOVE_BELOW_2_RL ||
748 ✗ s->in.format == INTERLEAVE_ROWS_LR ||
749 ✗ s->in.format == INTERLEAVE_ROWS_RL)) {
750 12 out = oleft = oright = av_frame_clone(inpicref);
751
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 12 if (!out) {
752 ✗ av_frame_free(&s->prev);
753 ✗ av_frame_free(&inpicref);
754 ✗ return AVERROR(ENOMEM);
755 }
756
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757
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 112 (s->out.format == MONO_R && s->in.format == ALTERNATING_RL)) {
758 ✗ s->prev->pts /= 2;
759 ✗ ret = ff_filter_frame(outlink, s->prev);
760 ✗ av_frame_free(&inpicref);
761 ✗ s->prev = NULL;
762 ✗ return ret;
763
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764
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 112 (s->out.format == MONO_R && s->in.format == ALTERNATING_LR)) {
765 ✗ av_frame_free(&s->prev);
766 ✗ inpicref->pts /= 2;
767 ✗ return ff_filter_frame(outlink, inpicref);
768
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769
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 112 (s->out.format == ALTERNATING_RL && s->in.format == ALTERNATING_LR)) {
770 ✗ FFSWAP(int64_t, s->prev->pts, inpicref->pts);
771 ✗ ff_filter_frame(outlink, inpicref);
772 ✗ ret = ff_filter_frame(outlink, s->prev);
773 ✗ s->prev = NULL;
774 ✗ return ret;
775 } else {
776 112 out = oleft = oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
777
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 112 if (!out) {
778 ✗ av_frame_free(&s->prev);
779 ✗ av_frame_free(&inpicref);
780 ✗ return AVERROR(ENOMEM);
781 }
782 112 av_frame_copy_props(out, inpicref);
783
784
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 112 if (s->out.format == ALTERNATING_LR ||
785
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 112 s->out.format == ALTERNATING_RL) {
786 ✗ oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
787 ✗ if (!oright) {
788 ✗ av_frame_free(&oleft);
789 ✗ av_frame_free(&s->prev);
790 ✗ av_frame_free(&inpicref);
791 ✗ return AVERROR(ENOMEM);
792 }
793 ✗ av_frame_copy_props(oright, s->prev);
794 }
795 }
796
797
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 640 for (i = 0; i < 4; i++) {
798
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 512 int hsub = i == 1 || i == 2 ? s->hsub : 0;
799
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 512 int vsub = i == 1 || i == 2 ? s->vsub : 0;
800 512 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);
801 512 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);
802 512 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);
803 512 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);
804 }
805
806
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 128 switch (s->out.format) {
807 4 case ALTERNATING_LR:
808 case ALTERNATING_RL:
809
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 4 switch (s->in.format) {
810 ✗ case INTERLEAVE_ROWS_LR:
811 case INTERLEAVE_ROWS_RL:
812 ✗ for (i = 0; i < s->nb_planes; i++) {
813 ✗ oleft->linesize[i] *= 2;
814 ✗ oright->linesize[i] *= 2;
815 }
816 av_fallthrough;
817 case ABOVE_BELOW_LR:
818 case ABOVE_BELOW_RL:
819 case ABOVE_BELOW_2_LR:
820 case ABOVE_BELOW_2_RL:
821 case SIDE_BY_SIDE_LR:
822 case SIDE_BY_SIDE_RL:
823 case SIDE_BY_SIDE_2_LR:
824 case SIDE_BY_SIDE_2_RL:
825 4 oleft->width = outlink->w;
826 4 oright->width = outlink->w;
827 4 oleft->height = outlink->h;
828 4 oright->height = outlink->h;
829
830
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 16 for (i = 0; i < s->nb_planes; i++) {
831 12 oleft->data[i] += s->in_off_left[i];
832 12 oright->data[i] += s->in_off_right[i];
833 }
834 4 break;
835 ✗ default:
836 ✗ goto copy;
837 break;
838 }
839 4 break;
840 ✗ case HDMI:
841 ✗ for (i = 0; i < s->nb_planes; i++) {
842 ✗ int j, h = s->height >> ((i == 1 || i == 2) ? s->vsub : 0);
843 ✗ int b = (s->blanks) >> ((i == 1 || i == 2) ? s->vsub : 0);
844
845 ✗ for (j = h; j < h + b; j++)
846 ✗ memset(oleft->data[i] + j * s->linesize[i], 0, s->linesize[i]);
847 }
848 av_fallthrough;
849 case SIDE_BY_SIDE_LR:
850 case SIDE_BY_SIDE_RL:
851 case SIDE_BY_SIDE_2_LR:
852 case SIDE_BY_SIDE_2_RL:
853 case ABOVE_BELOW_LR:
854 case ABOVE_BELOW_RL:
855 case ABOVE_BELOW_2_LR:
856 case ABOVE_BELOW_2_RL:
857 case INTERLEAVE_ROWS_LR:
858 case INTERLEAVE_ROWS_RL:
859 ✗ copy:
860
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 28 if (s->in.format == INTERLEAVE_COLS_LR ||
861
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 28 s->in.format == INTERLEAVE_COLS_RL) {
862 ✗ for (i = 0; i < s->nb_planes; i++) {
863 ✗ int d = (s->in.format & 1) != (s->out.format & 1);
864
865 ✗ interleave_cols_to_any(s, out_off_left, i, ileft, oleft, d);
866 ✗ interleave_cols_to_any(s, out_off_right, i, iright, oright, !d);
867 }
868 } else {
869
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 112 for (i = 0; i < s->nb_planes; i++) {
870 84 av_image_copy_plane(oleft->data[i] + out_off_left[i],
871 84 oleft->linesize[i] * s->out.row_step,
872 84 ileft->data[i] + s->in_off_left[i],
873 84 ileft->linesize[i] * s->in.row_step,
874 s->linesize[i], s->pheight[i]);
875 84 av_image_copy_plane(oright->data[i] + out_off_right[i],
876 84 oright->linesize[i] * s->out.row_step,
877 84 iright->data[i] + s->in_off_right[i],
878 84 iright->linesize[i] * s->in.row_step,
879 s->linesize[i], s->pheight[i]);
880 }
881 }
882 28 break;
883 6 case MONO_L:
884 6 iright = ileft;
885 av_fallthrough;
886 12 case MONO_R:
887
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 12 switch (s->in.format) {
888 ✗ case INTERLEAVE_ROWS_LR:
889 case INTERLEAVE_ROWS_RL:
890 ✗ for (i = 0; i < s->nb_planes; i++) {
891 ✗ out->linesize[i] *= 2;
892 }
893 av_fallthrough;
894 case ABOVE_BELOW_LR:
895 case ABOVE_BELOW_RL:
896 case ABOVE_BELOW_2_LR:
897 case ABOVE_BELOW_2_RL:
898 case SIDE_BY_SIDE_LR:
899 case SIDE_BY_SIDE_RL:
900 case SIDE_BY_SIDE_2_LR:
901 case SIDE_BY_SIDE_2_RL:
902 12 out->width = outlink->w;
903 12 out->height = outlink->h;
904
905
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 48 for (i = 0; i < s->nb_planes; i++) {
906 36 out->data[i] += s->in_off_left[i];
907 }
908 12 break;
909 ✗ case INTERLEAVE_COLS_LR:
910 case INTERLEAVE_COLS_RL:
911 ✗ for (i = 0; i < s->nb_planes; i++) {
912 ✗ const int d = (s->in.format & 1) != (s->out.format & 1);
913
914 ✗ interleave_cols_to_any(s, out_off_right, i, iright, out, d);
915 }
916 ✗ break;
917 ✗ default:
918 ✗ for (i = 0; i < s->nb_planes; i++) {
919 ✗ av_image_copy_plane(out->data[i], out->linesize[i],
920 ✗ iright->data[i] + s->in_off_left[i],
921 ✗ iright->linesize[i] * s->in.row_step,
922 s->linesize[i], s->pheight[i]);
923 }
924 ✗ break;
925 }
926 12 break;
927 84 case ANAGLYPH_RB_GRAY:
928 case ANAGLYPH_RG_GRAY:
929 case ANAGLYPH_RC_GRAY:
930 case ANAGLYPH_RC_HALF:
931 case ANAGLYPH_RC_COLOR:
932 case ANAGLYPH_RC_DUBOIS:
933 case ANAGLYPH_GM_GRAY:
934 case ANAGLYPH_GM_HALF:
935 case ANAGLYPH_GM_COLOR:
936 case ANAGLYPH_GM_DUBOIS:
937 case ANAGLYPH_YB_GRAY:
938 case ANAGLYPH_YB_HALF:
939 case ANAGLYPH_YB_COLOR:
940 case ANAGLYPH_YB_DUBOIS: {
941
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 84 if (s->in.format == INTERLEAVE_COLS_LR ||
942
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 84 s->in.format == INTERLEAVE_COLS_RL) {
943 ✗ const int d = (s->in.format & 1);
944
945 ✗ anaglyph_ic(out->data[0],
946 ✗ ileft ->data[0] + s->in_off_left [0] + d * 3,
947 ✗ iright->data[0] + s->in_off_right[0] + (!d) * 3,
948 ✗ out->linesize[0],
949 ✗ ileft->linesize[0] * s->in.row_step,
950 ✗ iright->linesize[0] * s->in.row_step,
951 s->out.width, s->out.height,
952 s->ana_matrix[0], s->ana_matrix[1], s->ana_matrix[2]);
953 } else {
954 ThreadData td;
955
956 84 td.ileft = ileft; td.iright = iright; td.out = out;
957 84 ff_filter_execute(ctx, filter_slice, &td, NULL,
958
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 84 FFMIN(s->out.height, ff_filter_get_nb_threads(ctx)));
959 }
960 84 break;
961 }
962 ✗ case CHECKERBOARD_RL:
963 case CHECKERBOARD_LR:
964 ✗ for (i = 0; i < s->nb_planes; i++) {
965 int x, y;
966
967 ✗ for (y = 0; y < s->pheight[i]; y++) {
968 ✗ uint8_t *dst = out->data[i] + out->linesize[i] * y;
969 ✗ const int d1 = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) && (s->in.format & 1) != (s->out.format & 1);
970 ✗ const int d2 = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) ? !d1 : 0;
971 ✗ const int m = 1 + (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL);
972 ✗ uint8_t *left = ileft->data[i] + ileft->linesize[i] * y + s->in_off_left[i] + d1 * s->pixstep[i];
973 ✗ uint8_t *right = iright->data[i] + iright->linesize[i] * y + s->in_off_right[i] + d2 * s->pixstep[i];
974 int p, b;
975
976 ✗ if (s->out.format == CHECKERBOARD_RL && s->in.format != INTERLEAVE_COLS_LR && s->in.format != INTERLEAVE_COLS_RL)
977 ✗ FFSWAP(uint8_t*, left, right);
978 ✗ switch (s->pixstep[i]) {
979 ✗ case 1:
980 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b+=2) {
981 ✗ dst[x ] = (b&1) == (y&1) ? left[p*m] : right[p*m];
982 ✗ dst[x+1] = (b&1) != (y&1) ? left[p*m] : right[p*m];
983 }
984 ✗ break;
985 ✗ case 2:
986 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b+=2) {
987 ✗ AV_WN16(&dst[x ], (b&1) == (y&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
988 ✗ AV_WN16(&dst[x+2], (b&1) != (y&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
989 }
990 ✗ break;
991 ✗ case 3:
992 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b+=2) {
993 ✗ AV_WB24(&dst[x ], (b&1) == (y&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
994 ✗ AV_WB24(&dst[x+3], (b&1) != (y&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
995 }
996 ✗ break;
997 ✗ case 4:
998 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b+=2) {
999 ✗ AV_WN32(&dst[x ], (b&1) == (y&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1000 ✗ AV_WN32(&dst[x+4], (b&1) != (y&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1001 }
1002 ✗ break;
1003 ✗ case 6:
1004 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b+=2) {
1005 ✗ AV_WB48(&dst[x ], (b&1) == (y&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1006 ✗ AV_WB48(&dst[x+6], (b&1) != (y&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1007 }
1008 ✗ break;
1009 ✗ case 8:
1010 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b+=2) {
1011 ✗ AV_WN64(&dst[x ], (b&1) == (y&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1012 ✗ AV_WN64(&dst[x+8], (b&1) != (y&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1013 }
1014 ✗ break;
1015 }
1016 }
1017 }
1018 ✗ break;
1019 ✗ case INTERLEAVE_COLS_LR:
1020 case INTERLEAVE_COLS_RL:
1021 ✗ for (i = 0; i < s->nb_planes; i++) {
1022 ✗ const int d = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL);
1023 ✗ const int m = 1 + d;
1024 int x, y;
1025
1026 ✗ for (y = 0; y < s->pheight[i]; y++) {
1027 ✗ uint8_t *dst = out->data[i] + out->linesize[i] * y;
1028 ✗ uint8_t *left = ileft->data[i] + ileft->linesize[i] * y * s->in.row_step + s->in_off_left[i] + d * s->pixstep[i];
1029 ✗ uint8_t *right = iright->data[i] + iright->linesize[i] * y * s->in.row_step + s->in_off_right[i];
1030 int p, b;
1031
1032 ✗ if (s->out.format == INTERLEAVE_COLS_LR)
1033 ✗ FFSWAP(uint8_t*, left, right);
1034
1035 ✗ switch (s->pixstep[i]) {
1036 ✗ case 1:
1037 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b+=2) {
1038 ✗ dst[x ] = b&1 ? left[p*m] : right[p*m];
1039 ✗ dst[x+1] = !(b&1) ? left[p*m] : right[p*m];
1040 }
1041 ✗ break;
1042 ✗ case 2:
1043 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b+=2) {
1044 ✗ AV_WN16(&dst[x ], b&1 ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
1045 ✗ AV_WN16(&dst[x+2], !(b&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
1046 }
1047 ✗ break;
1048 ✗ case 3:
1049 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b+=2) {
1050 ✗ AV_WB24(&dst[x ], b&1 ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
1051 ✗ AV_WB24(&dst[x+3], !(b&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
1052 }
1053 ✗ break;
1054 ✗ case 4:
1055 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b+=2) {
1056 ✗ AV_WN32(&dst[x ], b&1 ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1057 ✗ AV_WN32(&dst[x+4], !(b&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1058 }
1059 ✗ break;
1060 ✗ case 6:
1061 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b+=2) {
1062 ✗ AV_WB48(&dst[x ], b&1 ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1063 ✗ AV_WB48(&dst[x+6], !(b&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1064 }
1065 ✗ break;
1066 ✗ case 8:
1067 ✗ for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b+=2) {
1068 ✗ AV_WN64(&dst[x ], b&1 ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1069 ✗ AV_WN64(&dst[x+8], !(b&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1070 }
1071 ✗ break;
1072 }
1073 }
1074 }
1075 ✗ break;
1076 ✗ default:
1077 ✗ av_assert0(0);
1078 }
1079
1080
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 128 if (oright != oleft) {
1081
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 4 if (s->out.format == ALTERNATING_LR)
1082 4 FFSWAP(AVFrame *, oleft, oright);
1083 4 oright->pts = s->prev->pts * 2;
1084 4 ff_filter_frame(outlink, oright);
1085 4 out = oleft;
1086 4 oleft->pts = s->prev->pts + inpicref->pts;
1087 4 av_frame_free(&s->prev);
1088 4 s->prev = inpicref;
1089
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 124 } else if (s->in.format == ALTERNATING_LR ||
1090
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 119 s->in.format == ALTERNATING_RL) {
1091 10 out->pts = s->prev->pts / 2;
1092 10 av_frame_free(&s->prev);
1093 10 av_frame_free(&inpicref);
1094 } else {
1095 114 av_frame_free(&s->prev);
1096 114 av_frame_free(&inpicref);
1097 }
1098
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 128 av_assert0(out);
1099 128 out->sample_aspect_ratio = s->aspect;
1100 128 return ff_filter_frame(outlink, out);
1101 }
1102
1103 44 static av_cold void uninit(AVFilterContext *ctx)
1104 {
1105 44 Stereo3DContext *s = ctx->priv;
1106
1107 44 av_frame_free(&s->prev);
1108 44 }
1109
1110 static const AVFilterPad stereo3d_inputs[] = {
1111 {
1112 .name = "default",
1113 .type = AVMEDIA_TYPE_VIDEO,
1114 .filter_frame = filter_frame,
1115 },
1116 };
1117
1118 static const AVFilterPad stereo3d_outputs[] = {
1119 {
1120 .name = "default",
1121 .type = AVMEDIA_TYPE_VIDEO,
1122 .config_props = config_output,
1123 },
1124 };
1125
1126 const FFFilter ff_vf_stereo3d = {
1127 .p.name = "stereo3d",
1128 .p.description = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."),
1129 .p.priv_class = &stereo3d_class,
1130 .p.flags = AVFILTER_FLAG_SLICE_THREADS,
1131 .priv_size = sizeof(Stereo3DContext),
1132 .uninit = uninit,
1133 FILTER_INPUTS(stereo3d_inputs),
1134 FILTER_OUTPUTS(stereo3d_outputs),
1135 FILTER_QUERY_FUNC2(query_formats),
1136 };
1137