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, "in"},
162 { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "in" },
163 { "tb2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "in" },
164 { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "in" },
165 { "tb2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "in" },
166 { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "in" },
167 { "tbl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "in" },
168 { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "in" },
169 { "tbr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "in" },
170 { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "in" },
171 { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, "in" },
172 { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "in" },
173 { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "in" },
174 { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "in" },
175 { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "in" },
176 { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, "in" },
177 { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, "in" },
178 { "icl", "interleave columns left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_LR}, 0, 0, FLAGS, "in" },
179 { "icr", "interleave columns right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_RL}, 0, 0, FLAGS, "in" },
180 { "out", "set output format", OFFSET(out.format), AV_OPT_TYPE_INT, {.i64=ANAGLYPH_RC_DUBOIS}, 0, STEREO_CODE_COUNT-1, FLAGS, "out"},
181 { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "out" },
182 { "tb2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "out" },
183 { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "out" },
184 { "tb2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "out" },
185 { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "out" },
186 { "tbl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "out" },
187 { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "out" },
188 { "tbr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "out" },
189 { "agmc", "anaglyph green magenta color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_COLOR}, 0, 0, FLAGS, "out" },
190 { "agmd", "anaglyph green magenta dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_DUBOIS}, 0, 0, FLAGS, "out" },
191 { "agmg", "anaglyph green magenta gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_GRAY}, 0, 0, FLAGS, "out" },
192 { "agmh", "anaglyph green magenta half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_HALF}, 0, 0, FLAGS, "out" },
193 { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "out" },
194 { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, "out" },
195 { "arbg", "anaglyph red blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RB_GRAY}, 0, 0, FLAGS, "out" },
196 { "arcc", "anaglyph red cyan color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_COLOR}, 0, 0, FLAGS, "out" },
197 { "arcd", "anaglyph red cyan dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_DUBOIS}, 0, 0, FLAGS, "out" },
198 { "arcg", "anaglyph red cyan gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_GRAY}, 0, 0, FLAGS, "out" },
199 { "arch", "anaglyph red cyan half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_HALF}, 0, 0, FLAGS, "out" },
200 { "argg", "anaglyph red green gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RG_GRAY}, 0, 0, FLAGS, "out" },
201 { "aybc", "anaglyph yellow blue color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_COLOR}, 0, 0, FLAGS, "out" },
202 { "aybd", "anaglyph yellow blue dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_DUBOIS}, 0, 0, FLAGS, "out" },
203 { "aybg", "anaglyph yellow blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_GRAY}, 0, 0, FLAGS, "out" },
204 { "aybh", "anaglyph yellow blue half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_HALF}, 0, 0, FLAGS, "out" },
205 { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, "out" },
206 { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, "out" },
207 { "ml", "mono left", 0, AV_OPT_TYPE_CONST, {.i64=MONO_L}, 0, 0, FLAGS, "out" },
208 { "mr", "mono right", 0, AV_OPT_TYPE_CONST, {.i64=MONO_R}, 0, 0, FLAGS, "out" },
209 { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "out" },
210 { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "out" },
211 { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "out" },
212 { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "out" },
213 { "chl", "checkerboard left first", 0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_LR}, 0, 0, FLAGS, "out" },
214 { "chr", "checkerboard right first", 0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_RL}, 0, 0, FLAGS, "out" },
215 { "icl", "interleave columns left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_LR}, 0, 0, FLAGS, "out" },
216 { "icr", "interleave columns right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_RL}, 0, 0, FLAGS, "out" },
217 { "hdmi", "HDMI frame pack", 0, AV_OPT_TYPE_CONST, {.i64=HDMI}, 0, 0, FLAGS, "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
query_formats(AVFilterContext * ctx)282 static int query_formats(AVFilterContext *ctx)
283 {
284 Stereo3DContext *s = ctx->priv;
285 const enum AVPixelFormat *pix_fmts;
286 AVFilterFormats *fmts_list;
287
288 switch (s->out.format) {
289 case ANAGLYPH_GM_COLOR:
290 case ANAGLYPH_GM_DUBOIS:
291 case ANAGLYPH_GM_GRAY:
292 case ANAGLYPH_GM_HALF:
293 case ANAGLYPH_RB_GRAY:
294 case ANAGLYPH_RC_COLOR:
295 case ANAGLYPH_RC_DUBOIS:
296 case ANAGLYPH_RC_GRAY:
297 case ANAGLYPH_RC_HALF:
298 case ANAGLYPH_RG_GRAY:
299 case ANAGLYPH_YB_COLOR:
300 case ANAGLYPH_YB_DUBOIS:
301 case ANAGLYPH_YB_GRAY:
302 case ANAGLYPH_YB_HALF:
303 pix_fmts = anaglyph_pix_fmts;
304 break;
305 default:
306 pix_fmts = other_pix_fmts;
307 }
308
309 fmts_list = ff_make_format_list(pix_fmts);
310 if (!fmts_list)
311 return AVERROR(ENOMEM);
312 return ff_set_common_formats(ctx, fmts_list);
313 }
314
ana_convert(const int * coeff,const uint8_t * left,const uint8_t * right)315 static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right)
316 {
317 int sum;
318
319 sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in
320 sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in
321 sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in
322
323 return av_clip_uint8(sum >> 16);
324 }
325
anaglyph_ic(uint8_t * dst,uint8_t * lsrc,uint8_t * rsrc,ptrdiff_t dst_linesize,ptrdiff_t l_linesize,ptrdiff_t r_linesize,int width,int height,const int * ana_matrix_r,const int * ana_matrix_g,const int * ana_matrix_b)326 static void anaglyph_ic(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
327 ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
328 int width, int height,
329 const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
330 {
331 int x, y, o;
332
333 for (y = 0; y < height; y++) {
334 for (o = 0, x = 0; x < width; x++, o+= 3) {
335 dst[o ] = ana_convert(ana_matrix_r, lsrc + o * 2, rsrc + o * 2);
336 dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o * 2, rsrc + o * 2);
337 dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o * 2, rsrc + o * 2);
338 }
339
340 dst += dst_linesize;
341 lsrc += l_linesize;
342 rsrc += r_linesize;
343 }
344 }
345
anaglyph(uint8_t * dst,uint8_t * lsrc,uint8_t * rsrc,ptrdiff_t dst_linesize,ptrdiff_t l_linesize,ptrdiff_t r_linesize,int width,int height,const int * ana_matrix_r,const int * ana_matrix_g,const int * ana_matrix_b)346 static void anaglyph(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
347 ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
348 int width, int height,
349 const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
350 {
351 int x, y, o;
352
353 for (y = 0; y < height; y++) {
354 for (o = 0, x = 0; x < width; x++, o+= 3) {
355 dst[o ] = ana_convert(ana_matrix_r, lsrc + o, rsrc + o);
356 dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o, rsrc + o);
357 dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o, rsrc + o);
358 }
359
360 dst += dst_linesize;
361 lsrc += l_linesize;
362 rsrc += r_linesize;
363 }
364 }
365
config_output(AVFilterLink * outlink)366 static int config_output(AVFilterLink *outlink)
367 {
368 AVFilterContext *ctx = outlink->src;
369 AVFilterLink *inlink = ctx->inputs[0];
370 Stereo3DContext *s = ctx->priv;
371 AVRational fps = inlink->frame_rate;
372 AVRational tb = inlink->time_base;
373 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
374 int ret;
375 s->aspect = inlink->sample_aspect_ratio;
376
377 switch (s->in.format) {
378 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 if (inlink->w & 1) {
385 av_log(ctx, AV_LOG_ERROR, "width must be even\n");
386 return AVERROR_INVALIDDATA;
387 }
388 break;
389 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 if (inlink->h & 1) {
396 av_log(ctx, AV_LOG_ERROR, "height must be even\n");
397 return AVERROR_INVALIDDATA;
398 }
399 break;
400 }
401
402 s->in.width =
403 s->width = inlink->w;
404 s->in.height =
405 s->height = inlink->h;
406 s->in.off_lstep =
407 s->in.off_rstep =
408 s->in.off_left =
409 s->in.off_right =
410 s->in.row_left =
411 s->in.row_right = 0;
412 s->in.row_step = 1;
413
414 switch (s->in.format) {
415 case SIDE_BY_SIDE_2_LR:
416 s->aspect.num *= 2;
417 case SIDE_BY_SIDE_LR:
418 s->width = inlink->w / 2;
419 s->in.off_right = s->width;
420 break;
421 case SIDE_BY_SIDE_2_RL:
422 s->aspect.num *= 2;
423 case SIDE_BY_SIDE_RL:
424 s->width = inlink->w / 2;
425 s->in.off_left = s->width;
426 break;
427 case ABOVE_BELOW_2_LR:
428 s->aspect.den *= 2;
429 case ABOVE_BELOW_LR:
430 s->in.row_right =
431 s->height = inlink->h / 2;
432 break;
433 case ABOVE_BELOW_2_RL:
434 s->aspect.den *= 2;
435 case ABOVE_BELOW_RL:
436 s->in.row_left =
437 s->height = inlink->h / 2;
438 break;
439 case ALTERNATING_RL:
440 case ALTERNATING_LR:
441 fps.den *= 2;
442 tb.num *= 2;
443 break;
444 case INTERLEAVE_COLS_RL:
445 case INTERLEAVE_COLS_LR:
446 s->width = inlink->w / 2;
447 break;
448 case INTERLEAVE_ROWS_LR:
449 case INTERLEAVE_ROWS_RL:
450 s->in.row_step = 2;
451 if (s->in.format == INTERLEAVE_ROWS_RL)
452 s->in.off_lstep = 1;
453 else
454 s->in.off_rstep = 1;
455 if (s->out.format != CHECKERBOARD_LR &&
456 s->out.format != CHECKERBOARD_RL)
457 s->height = inlink->h / 2;
458 break;
459 default:
460 av_log(ctx, AV_LOG_ERROR, "input format %d is not supported\n", s->in.format);
461 return AVERROR(EINVAL);
462 }
463
464 s->out.width = s->width;
465 s->out.height = s->height;
466 s->out.off_lstep =
467 s->out.off_rstep =
468 s->out.off_left =
469 s->out.off_right =
470 s->out.row_left =
471 s->out.row_right = 0;
472 s->out.row_step = 1;
473
474 switch (s->out.format) {
475 case ANAGLYPH_RB_GRAY:
476 case ANAGLYPH_RG_GRAY:
477 case ANAGLYPH_RC_GRAY:
478 case ANAGLYPH_RC_HALF:
479 case ANAGLYPH_RC_COLOR:
480 case ANAGLYPH_RC_DUBOIS:
481 case ANAGLYPH_GM_GRAY:
482 case ANAGLYPH_GM_HALF:
483 case ANAGLYPH_GM_COLOR:
484 case ANAGLYPH_GM_DUBOIS:
485 case ANAGLYPH_YB_GRAY:
486 case ANAGLYPH_YB_HALF:
487 case ANAGLYPH_YB_COLOR:
488 case ANAGLYPH_YB_DUBOIS: {
489 uint8_t rgba_map[4];
490
491 ff_fill_rgba_map(rgba_map, outlink->format);
492 s->ana_matrix[rgba_map[0]] = &ana_coeff[s->out.format][0][0];
493 s->ana_matrix[rgba_map[1]] = &ana_coeff[s->out.format][1][0];
494 s->ana_matrix[rgba_map[2]] = &ana_coeff[s->out.format][2][0];
495 break;
496 }
497 case SIDE_BY_SIDE_2_LR:
498 s->aspect.den *= 2;
499 case SIDE_BY_SIDE_LR:
500 s->out.width = s->width * 2;
501 s->out.off_right = s->width;
502 break;
503 case SIDE_BY_SIDE_2_RL:
504 s->aspect.den *= 2;
505 case SIDE_BY_SIDE_RL:
506 s->out.width = s->width * 2;
507 s->out.off_left = s->width;
508 break;
509 case ABOVE_BELOW_2_LR:
510 s->aspect.num *= 2;
511 case ABOVE_BELOW_LR:
512 s->out.height = s->height * 2;
513 s->out.row_right = s->height;
514 break;
515 case HDMI:
516 if (s->height != 720 && s->height != 1080) {
517 av_log(ctx, AV_LOG_ERROR, "Only 720 and 1080 height supported\n");
518 return AVERROR(EINVAL);
519 }
520
521 s->blanks = s->height / 24;
522 s->out.height = s->height * 2 + s->blanks;
523 s->out.row_right = s->height + s->blanks;
524 break;
525 case ABOVE_BELOW_2_RL:
526 s->aspect.num *= 2;
527 case ABOVE_BELOW_RL:
528 s->out.height = s->height * 2;
529 s->out.row_left = s->height;
530 break;
531 case INTERLEAVE_ROWS_LR:
532 s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_RL);
533 s->out.row_step = 2;
534 s->out.height = s->height * 2;
535 s->out.off_rstep = 1;
536 break;
537 case INTERLEAVE_ROWS_RL:
538 s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_LR);
539 s->out.row_step = 2;
540 s->out.height = s->height * 2;
541 s->out.off_lstep = 1;
542 break;
543 case MONO_R:
544 if (s->in.format != INTERLEAVE_COLS_LR) {
545 s->in.off_left = s->in.off_right;
546 s->in.row_left = s->in.row_right;
547 }
548 if (s->in.format == INTERLEAVE_ROWS_LR)
549 FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
550 break;
551 case MONO_L:
552 if (s->in.format == INTERLEAVE_ROWS_RL)
553 FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
554 break;
555 case ALTERNATING_RL:
556 case ALTERNATING_LR:
557 fps.num *= 2;
558 tb.den *= 2;
559 break;
560 case CHECKERBOARD_LR:
561 case CHECKERBOARD_RL:
562 case INTERLEAVE_COLS_LR:
563 case INTERLEAVE_COLS_RL:
564 s->out.width = s->width * 2;
565 break;
566 default:
567 av_log(ctx, AV_LOG_ERROR, "output format %d is not supported\n", s->out.format);
568 return AVERROR(EINVAL);
569 }
570
571 if (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) {
572 if ((s->in.format & 1) != (s->out.format & 1)) {
573 FFSWAP(int, s->in.row_left, s->in.row_right);
574 FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
575 FFSWAP(int, s->in.off_left, s->in.off_right);
576 FFSWAP(int, s->out.row_left, s->out.row_right);
577 FFSWAP(int, s->out.off_lstep, s->out.off_rstep);
578 FFSWAP(int, s->out.off_left, s->out.off_right);
579 }
580 }
581
582 outlink->w = s->out.width;
583 outlink->h = s->out.height;
584 outlink->frame_rate = fps;
585 outlink->time_base = tb;
586 outlink->sample_aspect_ratio = s->aspect;
587
588 if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, s->width)) < 0)
589 return ret;
590 s->nb_planes = av_pix_fmt_count_planes(outlink->format);
591 av_image_fill_max_pixsteps(s->pixstep, NULL, desc);
592 s->pheight[1] = s->pheight[2] = AV_CEIL_RSHIFT(s->height, desc->log2_chroma_h);
593 s->pheight[0] = s->pheight[3] = s->height;
594 s->hsub = desc->log2_chroma_w;
595 s->vsub = desc->log2_chroma_h;
596
597 s->dsp.anaglyph = anaglyph;
598 if (ARCH_X86)
599 ff_stereo3d_init_x86(&s->dsp);
600
601 return 0;
602 }
603
604 typedef struct ThreadData {
605 AVFrame *ileft, *iright;
606 AVFrame *out;
607 } ThreadData;
608
filter_slice(AVFilterContext * ctx,void * arg,int jobnr,int nb_jobs)609 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
610 {
611 Stereo3DContext *s = ctx->priv;
612 ThreadData *td = arg;
613 AVFrame *ileft = td->ileft;
614 AVFrame *iright = td->iright;
615 AVFrame *out = td->out;
616 int height = s->out.height;
617 int start = (height * jobnr ) / nb_jobs;
618 int end = (height * (jobnr+1)) / nb_jobs;
619 const int **ana_matrix = s->ana_matrix;
620
621 s->dsp.anaglyph(out->data[0] + out->linesize[0] * start,
622 ileft ->data[0] + s->in_off_left [0] + ileft->linesize[0] * start * s->in.row_step,
623 iright->data[0] + s->in_off_right[0] + iright->linesize[0] * start * s->in.row_step,
624 out->linesize[0],
625 ileft->linesize[0] * s->in.row_step,
626 iright->linesize[0] * s->in.row_step,
627 s->out.width, end - start,
628 ana_matrix[0], ana_matrix[1], ana_matrix[2]);
629
630 return 0;
631 }
632
interleave_cols_to_any(Stereo3DContext * s,int * out_off,int p,AVFrame * in,AVFrame * out,int d)633 static void interleave_cols_to_any(Stereo3DContext *s, int *out_off, int p, AVFrame *in, AVFrame *out, int d)
634 {
635 int y, x;
636
637 for (y = 0; y < s->pheight[p]; y++) {
638 const uint8_t *src = (const uint8_t*)in->data[p] + y * in->linesize[p] + d * s->pixstep[p];
639 uint8_t *dst = out->data[p] + out_off[p] + y * out->linesize[p] * s->out.row_step;
640
641 switch (s->pixstep[p]) {
642 case 1:
643 for (x = 0; x < s->linesize[p]; x++)
644 dst[x] = src[x * 2];
645 break;
646 case 2:
647 for (x = 0; x < s->linesize[p]; x+=2)
648 AV_WN16(&dst[x], AV_RN16(&src[x * 2]));
649 break;
650 case 3:
651 for (x = 0; x < s->linesize[p]; x+=3)
652 AV_WB24(&dst[x], AV_RB24(&src[x * 2]));
653 break;
654 case 4:
655 for (x = 0; x < s->linesize[p]; x+=4)
656 AV_WN32(&dst[x], AV_RN32(&src[x * 2]));
657 break;
658 case 6:
659 for (x = 0; x < s->linesize[p]; x+=6)
660 AV_WB48(&dst[x], AV_RB48(&src[x * 2]));
661 break;
662 case 8:
663 for (x = 0; x < s->linesize[p]; x+=8)
664 AV_WN64(&dst[x], AV_RN64(&src[x * 2]));
665 break;
666 }
667 }
668 }
669
filter_frame(AVFilterLink * inlink,AVFrame * inpicref)670 static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
671 {
672 AVFilterContext *ctx = inlink->dst;
673 Stereo3DContext *s = ctx->priv;
674 AVFilterLink *outlink = ctx->outputs[0];
675 AVFrame *out = NULL, *oleft, *oright, *ileft, *iright;
676 int out_off_left[4], out_off_right[4];
677 int i, ret;
678
679 if (s->in.format == s->out.format)
680 return ff_filter_frame(outlink, inpicref);
681
682 switch (s->out.format) {
683 case ALTERNATING_LR:
684 case ALTERNATING_RL:
685 if (!s->prev) {
686 s->prev = inpicref;
687 return 0;
688 }
689 break;
690 };
691
692 switch (s->in.format) {
693 case ALTERNATING_LR:
694 case ALTERNATING_RL:
695 if (!s->prev) {
696 s->prev = inpicref;
697 return 0;
698 }
699 ileft = s->prev;
700 iright = inpicref;
701 if (s->in.format == ALTERNATING_RL)
702 FFSWAP(AVFrame *, ileft, iright);
703 break;
704 default:
705 ileft = iright = inpicref;
706 };
707
708 if ((s->out.format == ALTERNATING_LR ||
709 s->out.format == ALTERNATING_RL) &&
710 (s->in.format == SIDE_BY_SIDE_LR ||
711 s->in.format == SIDE_BY_SIDE_RL ||
712 s->in.format == SIDE_BY_SIDE_2_LR ||
713 s->in.format == SIDE_BY_SIDE_2_RL ||
714 s->in.format == ABOVE_BELOW_LR ||
715 s->in.format == ABOVE_BELOW_RL ||
716 s->in.format == ABOVE_BELOW_2_LR ||
717 s->in.format == ABOVE_BELOW_2_RL ||
718 s->in.format == INTERLEAVE_ROWS_LR ||
719 s->in.format == INTERLEAVE_ROWS_RL)) {
720 oright = av_frame_clone(s->prev);
721 oleft = av_frame_clone(s->prev);
722 if (!oright || !oleft) {
723 av_frame_free(&oright);
724 av_frame_free(&oleft);
725 av_frame_free(&s->prev);
726 av_frame_free(&inpicref);
727 return AVERROR(ENOMEM);
728 }
729 } else if ((s->out.format == MONO_L ||
730 s->out.format == MONO_R) &&
731 (s->in.format == SIDE_BY_SIDE_LR ||
732 s->in.format == SIDE_BY_SIDE_RL ||
733 s->in.format == SIDE_BY_SIDE_2_LR ||
734 s->in.format == SIDE_BY_SIDE_2_RL ||
735 s->in.format == ABOVE_BELOW_LR ||
736 s->in.format == ABOVE_BELOW_RL ||
737 s->in.format == ABOVE_BELOW_2_LR ||
738 s->in.format == ABOVE_BELOW_2_RL ||
739 s->in.format == INTERLEAVE_ROWS_LR ||
740 s->in.format == INTERLEAVE_ROWS_RL)) {
741 out = oleft = oright = av_frame_clone(inpicref);
742 if (!out) {
743 av_frame_free(&s->prev);
744 av_frame_free(&inpicref);
745 return AVERROR(ENOMEM);
746 }
747 } else if ((s->out.format == MONO_L && s->in.format == ALTERNATING_LR) ||
748 (s->out.format == MONO_R && s->in.format == ALTERNATING_RL)) {
749 s->prev->pts /= 2;
750 ret = ff_filter_frame(outlink, s->prev);
751 av_frame_free(&inpicref);
752 s->prev = NULL;
753 return ret;
754 } else if ((s->out.format == MONO_L && s->in.format == ALTERNATING_RL) ||
755 (s->out.format == MONO_R && s->in.format == ALTERNATING_LR)) {
756 av_frame_free(&s->prev);
757 inpicref->pts /= 2;
758 return ff_filter_frame(outlink, inpicref);
759 } else if ((s->out.format == ALTERNATING_LR && s->in.format == ALTERNATING_RL) ||
760 (s->out.format == ALTERNATING_RL && s->in.format == ALTERNATING_LR)) {
761 FFSWAP(int64_t, s->prev->pts, inpicref->pts);
762 ff_filter_frame(outlink, inpicref);
763 ret = ff_filter_frame(outlink, s->prev);
764 s->prev = NULL;
765 return ret;
766 } else {
767 out = oleft = oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
768 if (!out) {
769 av_frame_free(&s->prev);
770 av_frame_free(&inpicref);
771 return AVERROR(ENOMEM);
772 }
773 av_frame_copy_props(out, inpicref);
774
775 if (s->out.format == ALTERNATING_LR ||
776 s->out.format == ALTERNATING_RL) {
777 oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
778 if (!oright) {
779 av_frame_free(&oleft);
780 av_frame_free(&s->prev);
781 av_frame_free(&inpicref);
782 return AVERROR(ENOMEM);
783 }
784 av_frame_copy_props(oright, s->prev);
785 }
786 }
787
788 for (i = 0; i < 4; i++) {
789 int hsub = i == 1 || i == 2 ? s->hsub : 0;
790 int vsub = i == 1 || i == 2 ? s->vsub : 0;
791 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);
792 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);
793 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);
794 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);
795 }
796
797 switch (s->out.format) {
798 case ALTERNATING_LR:
799 case ALTERNATING_RL:
800 switch (s->in.format) {
801 case INTERLEAVE_ROWS_LR:
802 case INTERLEAVE_ROWS_RL:
803 for (i = 0; i < s->nb_planes; i++) {
804 oleft->linesize[i] *= 2;
805 oright->linesize[i] *= 2;
806 }
807 case ABOVE_BELOW_LR:
808 case ABOVE_BELOW_RL:
809 case ABOVE_BELOW_2_LR:
810 case ABOVE_BELOW_2_RL:
811 case SIDE_BY_SIDE_LR:
812 case SIDE_BY_SIDE_RL:
813 case SIDE_BY_SIDE_2_LR:
814 case SIDE_BY_SIDE_2_RL:
815 oleft->width = outlink->w;
816 oright->width = outlink->w;
817 oleft->height = outlink->h;
818 oright->height = outlink->h;
819
820 for (i = 0; i < s->nb_planes; i++) {
821 oleft->data[i] += s->in_off_left[i];
822 oright->data[i] += s->in_off_right[i];
823 }
824 break;
825 default:
826 goto copy;
827 break;
828 }
829 break;
830 case HDMI:
831 for (i = 0; i < s->nb_planes; i++) {
832 int j, h = s->height >> ((i == 1 || i == 2) ? s->vsub : 0);
833 int b = (s->blanks) >> ((i == 1 || i == 2) ? s->vsub : 0);
834
835 for (j = h; j < h + b; j++)
836 memset(oleft->data[i] + j * s->linesize[i], 0, s->linesize[i]);
837 }
838 case SIDE_BY_SIDE_LR:
839 case SIDE_BY_SIDE_RL:
840 case SIDE_BY_SIDE_2_LR:
841 case SIDE_BY_SIDE_2_RL:
842 case ABOVE_BELOW_LR:
843 case ABOVE_BELOW_RL:
844 case ABOVE_BELOW_2_LR:
845 case ABOVE_BELOW_2_RL:
846 case INTERLEAVE_ROWS_LR:
847 case INTERLEAVE_ROWS_RL:
848 copy:
849 if (s->in.format == INTERLEAVE_COLS_LR ||
850 s->in.format == INTERLEAVE_COLS_RL) {
851 for (i = 0; i < s->nb_planes; i++) {
852 int d = (s->in.format & 1) != (s->out.format & 1);
853
854 interleave_cols_to_any(s, out_off_left, i, ileft, oleft, d);
855 interleave_cols_to_any(s, out_off_right, i, iright, oright, !d);
856 }
857 } else {
858 for (i = 0; i < s->nb_planes; i++) {
859 av_image_copy_plane(oleft->data[i] + out_off_left[i],
860 oleft->linesize[i] * s->out.row_step,
861 ileft->data[i] + s->in_off_left[i],
862 ileft->linesize[i] * s->in.row_step,
863 s->linesize[i], s->pheight[i]);
864 av_image_copy_plane(oright->data[i] + out_off_right[i],
865 oright->linesize[i] * s->out.row_step,
866 iright->data[i] + s->in_off_right[i],
867 iright->linesize[i] * s->in.row_step,
868 s->linesize[i], s->pheight[i]);
869 }
870 }
871 break;
872 case MONO_L:
873 iright = ileft;
874 case MONO_R:
875 switch (s->in.format) {
876 case INTERLEAVE_ROWS_LR:
877 case INTERLEAVE_ROWS_RL:
878 for (i = 0; i < s->nb_planes; i++) {
879 out->linesize[i] *= 2;
880 }
881 case ABOVE_BELOW_LR:
882 case ABOVE_BELOW_RL:
883 case ABOVE_BELOW_2_LR:
884 case ABOVE_BELOW_2_RL:
885 case SIDE_BY_SIDE_LR:
886 case SIDE_BY_SIDE_RL:
887 case SIDE_BY_SIDE_2_LR:
888 case SIDE_BY_SIDE_2_RL:
889 out->width = outlink->w;
890 out->height = outlink->h;
891
892 for (i = 0; i < s->nb_planes; i++) {
893 out->data[i] += s->in_off_left[i];
894 }
895 break;
896 case INTERLEAVE_COLS_LR:
897 case INTERLEAVE_COLS_RL:
898 for (i = 0; i < s->nb_planes; i++) {
899 const int d = (s->in.format & 1) != (s->out.format & 1);
900
901 interleave_cols_to_any(s, out_off_right, i, iright, out, d);
902 }
903 break;
904 default:
905 for (i = 0; i < s->nb_planes; i++) {
906 av_image_copy_plane(out->data[i], out->linesize[i],
907 iright->data[i] + s->in_off_left[i],
908 iright->linesize[i] * s->in.row_step,
909 s->linesize[i], s->pheight[i]);
910 }
911 break;
912 }
913 break;
914 case ANAGLYPH_RB_GRAY:
915 case ANAGLYPH_RG_GRAY:
916 case ANAGLYPH_RC_GRAY:
917 case ANAGLYPH_RC_HALF:
918 case ANAGLYPH_RC_COLOR:
919 case ANAGLYPH_RC_DUBOIS:
920 case ANAGLYPH_GM_GRAY:
921 case ANAGLYPH_GM_HALF:
922 case ANAGLYPH_GM_COLOR:
923 case ANAGLYPH_GM_DUBOIS:
924 case ANAGLYPH_YB_GRAY:
925 case ANAGLYPH_YB_HALF:
926 case ANAGLYPH_YB_COLOR:
927 case ANAGLYPH_YB_DUBOIS: {
928 if (s->in.format == INTERLEAVE_COLS_LR ||
929 s->in.format == INTERLEAVE_COLS_RL) {
930 const int d = (s->in.format & 1);
931
932 anaglyph_ic(out->data[0],
933 ileft ->data[0] + s->in_off_left [0] + d * 3,
934 iright->data[0] + s->in_off_right[0] + (!d) * 3,
935 out->linesize[0],
936 ileft->linesize[0] * s->in.row_step,
937 iright->linesize[0] * s->in.row_step,
938 s->out.width, s->out.height,
939 s->ana_matrix[0], s->ana_matrix[1], s->ana_matrix[2]);
940 } else {
941 ThreadData td;
942
943 td.ileft = ileft; td.iright = iright; td.out = out;
944 ctx->internal->execute(ctx, filter_slice, &td, NULL,
945 FFMIN(s->out.height, ff_filter_get_nb_threads(ctx)));
946 }
947 break;
948 }
949 case CHECKERBOARD_RL:
950 case CHECKERBOARD_LR:
951 for (i = 0; i < s->nb_planes; i++) {
952 int x, y;
953
954 for (y = 0; y < s->pheight[i]; y++) {
955 uint8_t *dst = out->data[i] + out->linesize[i] * y;
956 const int d1 = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) && (s->in.format & 1) != (s->out.format & 1);
957 const int d2 = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) ? !d1 : 0;
958 const int m = 1 + (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL);
959 uint8_t *left = ileft->data[i] + ileft->linesize[i] * y + s->in_off_left[i] + d1 * s->pixstep[i];
960 uint8_t *right = iright->data[i] + iright->linesize[i] * y + s->in_off_right[i] + d2 * s->pixstep[i];
961 int p, b;
962
963 if (s->out.format == CHECKERBOARD_RL && s->in.format != INTERLEAVE_COLS_LR && s->in.format != INTERLEAVE_COLS_RL)
964 FFSWAP(uint8_t*, left, right);
965 switch (s->pixstep[i]) {
966 case 1:
967 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b+=2) {
968 dst[x ] = (b&1) == (y&1) ? left[p*m] : right[p*m];
969 dst[x+1] = (b&1) != (y&1) ? left[p*m] : right[p*m];
970 }
971 break;
972 case 2:
973 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b+=2) {
974 AV_WN16(&dst[x ], (b&1) == (y&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
975 AV_WN16(&dst[x+2], (b&1) != (y&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
976 }
977 break;
978 case 3:
979 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b+=2) {
980 AV_WB24(&dst[x ], (b&1) == (y&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
981 AV_WB24(&dst[x+3], (b&1) != (y&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
982 }
983 break;
984 case 4:
985 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b+=2) {
986 AV_WN32(&dst[x ], (b&1) == (y&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
987 AV_WN32(&dst[x+4], (b&1) != (y&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
988 }
989 break;
990 case 6:
991 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b+=2) {
992 AV_WB48(&dst[x ], (b&1) == (y&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
993 AV_WB48(&dst[x+6], (b&1) != (y&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
994 }
995 break;
996 case 8:
997 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b+=2) {
998 AV_WN64(&dst[x ], (b&1) == (y&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
999 AV_WN64(&dst[x+8], (b&1) != (y&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1000 }
1001 break;
1002 }
1003 }
1004 }
1005 break;
1006 case INTERLEAVE_COLS_LR:
1007 case INTERLEAVE_COLS_RL:
1008 for (i = 0; i < s->nb_planes; i++) {
1009 const int d = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL);
1010 const int m = 1 + d;
1011 int x, y;
1012
1013 for (y = 0; y < s->pheight[i]; y++) {
1014 uint8_t *dst = out->data[i] + out->linesize[i] * y;
1015 uint8_t *left = ileft->data[i] + ileft->linesize[i] * y * s->in.row_step + s->in_off_left[i] + d * s->pixstep[i];
1016 uint8_t *right = iright->data[i] + iright->linesize[i] * y * s->in.row_step + s->in_off_right[i];
1017 int p, b;
1018
1019 if (s->out.format == INTERLEAVE_COLS_LR)
1020 FFSWAP(uint8_t*, left, right);
1021
1022 switch (s->pixstep[i]) {
1023 case 1:
1024 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b+=2) {
1025 dst[x ] = b&1 ? left[p*m] : right[p*m];
1026 dst[x+1] = !(b&1) ? left[p*m] : right[p*m];
1027 }
1028 break;
1029 case 2:
1030 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b+=2) {
1031 AV_WN16(&dst[x ], b&1 ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
1032 AV_WN16(&dst[x+2], !(b&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
1033 }
1034 break;
1035 case 3:
1036 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b+=2) {
1037 AV_WB24(&dst[x ], b&1 ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
1038 AV_WB24(&dst[x+3], !(b&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
1039 }
1040 break;
1041 case 4:
1042 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b+=2) {
1043 AV_WN32(&dst[x ], b&1 ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1044 AV_WN32(&dst[x+4], !(b&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1045 }
1046 break;
1047 case 6:
1048 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b+=2) {
1049 AV_WB48(&dst[x ], b&1 ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1050 AV_WB48(&dst[x+6], !(b&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1051 }
1052 break;
1053 case 8:
1054 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b+=2) {
1055 AV_WN64(&dst[x ], b&1 ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1056 AV_WN64(&dst[x+8], !(b&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1057 }
1058 break;
1059 }
1060 }
1061 }
1062 break;
1063 default:
1064 av_assert0(0);
1065 }
1066
1067 if (oright != oleft) {
1068 if (s->out.format == ALTERNATING_LR)
1069 FFSWAP(AVFrame *, oleft, oright);
1070 oright->pts = s->prev->pts * 2;
1071 ff_filter_frame(outlink, oright);
1072 out = oleft;
1073 oleft->pts = s->prev->pts + inpicref->pts;
1074 av_frame_free(&s->prev);
1075 s->prev = inpicref;
1076 } else if (s->in.format == ALTERNATING_LR ||
1077 s->in.format == ALTERNATING_RL) {
1078 out->pts = s->prev->pts / 2;
1079 av_frame_free(&s->prev);
1080 av_frame_free(&inpicref);
1081 } else {
1082 av_frame_free(&s->prev);
1083 av_frame_free(&inpicref);
1084 }
1085 av_assert0(out);
1086 out->sample_aspect_ratio = s->aspect;
1087 return ff_filter_frame(outlink, out);
1088 }
1089
uninit(AVFilterContext * ctx)1090 static av_cold void uninit(AVFilterContext *ctx)
1091 {
1092 Stereo3DContext *s = ctx->priv;
1093
1094 av_frame_free(&s->prev);
1095 }
1096
1097 static const AVFilterPad stereo3d_inputs[] = {
1098 {
1099 .name = "default",
1100 .type = AVMEDIA_TYPE_VIDEO,
1101 .filter_frame = filter_frame,
1102 },
1103 { NULL }
1104 };
1105
1106 static const AVFilterPad stereo3d_outputs[] = {
1107 {
1108 .name = "default",
1109 .type = AVMEDIA_TYPE_VIDEO,
1110 .config_props = config_output,
1111 },
1112 { NULL }
1113 };
1114
1115 AVFilter ff_vf_stereo3d = {
1116 .name = "stereo3d",
1117 .description = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."),
1118 .priv_size = sizeof(Stereo3DContext),
1119 .uninit = uninit,
1120 .query_formats = query_formats,
1121 .inputs = stereo3d_inputs,
1122 .outputs = stereo3d_outputs,
1123 .priv_class = &stereo3d_class,
1124 .flags = AVFILTER_FLAG_SLICE_THREADS,
1125 };
1126