2 * Copyright (c) 2010 Gordon Schmidt <gordon.schmidt <at> s2000.tu-chemnitz.de>
3 * Copyright (c) 2013-2015 Paul B Mahol
5 * This file is part of FFmpeg.
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.
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.
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
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"
29 #include "drawutils.h"
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
72 typedef struct StereoComponent {
73 int format; ///< StereoCode
75 int off_left, off_right;
76 int off_lstep, off_rstep;
77 int row_left, row_right;
81 static const int ana_coeff[][3][6] = {
83 {{19595, 38470, 7471, 0, 0, 0},
85 { 0, 0, 0, 19595, 38470, 7471}},
87 {{19595, 38470, 7471, 0, 0, 0},
88 { 0, 0, 0, 19595, 38470, 7471},
91 {{19595, 38470, 7471, 0, 0, 0},
92 { 0, 0, 0, 19595, 38470, 7471},
93 { 0, 0, 0, 19595, 38470, 7471}},
95 {{19595, 38470, 7471, 0, 0, 0},
96 { 0, 0, 0, 0, 65536, 0},
97 { 0, 0, 0, 0, 0, 65536}},
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 {{29891, 32800, 11559, -2849, -5763, -102},
104 {-2627, -2479, -1033, 24804, 48080, -1209},
105 { -997, -1350, -358, -4729, -7403, 80373}},
107 {{ 0, 0, 0, 19595, 38470, 7471},
108 {19595, 38470, 7471, 0, 0, 0},
109 { 0, 0, 0, 19595, 38470, 7471}},
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}},
123 {{ 0, 0, 0, 19595, 38470, 7471},
124 { 0, 0, 0, 19595, 38470, 7471},
125 {19595, 38470, 7471, 0, 0, 0}},
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 {{65535,-12650,18451, -987, -7590, -1049},
136 {-1604, 56032, 4196, 370, 3826, -1049},
137 {-2345,-10676, 1358, 5801, 11416, 56217}},
140 typedef struct Stereo3DContext {
141 const AVClass *class;
142 StereoComponent in, out;
144 const int *ana_matrix[3];
152 int in_off_left[4], in_off_right[4];
154 Stereo3DDSPContext dsp;
157 #define OFFSET(x) offsetof(Stereo3DContext, x)
158 #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
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 { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "in" },
164 { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "in" },
165 { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "in" },
166 { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "in" },
167 { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, "in" },
168 { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "in" },
169 { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "in" },
170 { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "in" },
171 { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "in" },
172 { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, "in" },
173 { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, "in" },
174 { "icl", "interleave columns left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_LR}, 0, 0, FLAGS, "in" },
175 { "icr", "interleave columns right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_RL}, 0, 0, FLAGS, "in" },
176 { "out", "set output format", OFFSET(out.format), AV_OPT_TYPE_INT, {.i64=ANAGLYPH_RC_DUBOIS}, 0, STEREO_CODE_COUNT-1, FLAGS, "out"},
177 { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "out" },
178 { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "out" },
179 { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "out" },
180 { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "out" },
181 { "agmc", "anaglyph green magenta color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_COLOR}, 0, 0, FLAGS, "out" },
182 { "agmd", "anaglyph green magenta dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_DUBOIS}, 0, 0, FLAGS, "out" },
183 { "agmg", "anaglyph green magenta gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_GRAY}, 0, 0, FLAGS, "out" },
184 { "agmh", "anaglyph green magenta half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_HALF}, 0, 0, FLAGS, "out" },
185 { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "out" },
186 { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, "out" },
187 { "arbg", "anaglyph red blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RB_GRAY}, 0, 0, FLAGS, "out" },
188 { "arcc", "anaglyph red cyan color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_COLOR}, 0, 0, FLAGS, "out" },
189 { "arcd", "anaglyph red cyan dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_DUBOIS}, 0, 0, FLAGS, "out" },
190 { "arcg", "anaglyph red cyan gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_GRAY}, 0, 0, FLAGS, "out" },
191 { "arch", "anaglyph red cyan half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_HALF}, 0, 0, FLAGS, "out" },
192 { "argg", "anaglyph red green gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RG_GRAY}, 0, 0, FLAGS, "out" },
193 { "aybc", "anaglyph yellow blue color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_COLOR}, 0, 0, FLAGS, "out" },
194 { "aybd", "anaglyph yellow blue dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_DUBOIS}, 0, 0, FLAGS, "out" },
195 { "aybg", "anaglyph yellow blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_GRAY}, 0, 0, FLAGS, "out" },
196 { "aybh", "anaglyph yellow blue half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_HALF}, 0, 0, FLAGS, "out" },
197 { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, "out" },
198 { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, "out" },
199 { "ml", "mono left", 0, AV_OPT_TYPE_CONST, {.i64=MONO_L}, 0, 0, FLAGS, "out" },
200 { "mr", "mono right", 0, AV_OPT_TYPE_CONST, {.i64=MONO_R}, 0, 0, FLAGS, "out" },
201 { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "out" },
202 { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "out" },
203 { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "out" },
204 { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "out" },
205 { "chl", "checkerboard left first", 0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_LR}, 0, 0, FLAGS, "out" },
206 { "chr", "checkerboard right first", 0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_RL}, 0, 0, FLAGS, "out" },
207 { "icl", "interleave columns left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_LR}, 0, 0, FLAGS, "out" },
208 { "icr", "interleave columns right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_RL}, 0, 0, FLAGS, "out" },
209 { "hdmi", "HDMI frame pack", 0, AV_OPT_TYPE_CONST, {.i64=HDMI}, 0, 0, FLAGS, "out" },
213 AVFILTER_DEFINE_CLASS(stereo3d);
215 static const enum AVPixelFormat anaglyph_pix_fmts[] = {
216 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
220 static const enum AVPixelFormat other_pix_fmts[] = {
221 AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
222 AV_PIX_FMT_RGB48BE, AV_PIX_FMT_BGR48BE,
223 AV_PIX_FMT_RGB48LE, AV_PIX_FMT_BGR48LE,
224 AV_PIX_FMT_RGBA64BE, AV_PIX_FMT_BGRA64BE,
225 AV_PIX_FMT_RGBA64LE, AV_PIX_FMT_BGRA64LE,
226 AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA,
227 AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR,
228 AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0,
229 AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR,
231 AV_PIX_FMT_GBRP9BE, AV_PIX_FMT_GBRP9LE,
232 AV_PIX_FMT_GBRP10BE, AV_PIX_FMT_GBRP10LE,
233 AV_PIX_FMT_GBRP12BE, AV_PIX_FMT_GBRP12LE,
234 AV_PIX_FMT_GBRP14BE, AV_PIX_FMT_GBRP14LE,
235 AV_PIX_FMT_GBRP16BE, AV_PIX_FMT_GBRP16LE,
238 AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P,
239 AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P,
241 AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA444P,
247 AV_PIX_FMT_YUV420P9LE, AV_PIX_FMT_YUVA420P9LE,
248 AV_PIX_FMT_YUV420P9BE, AV_PIX_FMT_YUVA420P9BE,
249 AV_PIX_FMT_YUV422P9LE, AV_PIX_FMT_YUVA422P9LE,
250 AV_PIX_FMT_YUV422P9BE, AV_PIX_FMT_YUVA422P9BE,
251 AV_PIX_FMT_YUV444P9LE, AV_PIX_FMT_YUVA444P9LE,
252 AV_PIX_FMT_YUV444P9BE, AV_PIX_FMT_YUVA444P9BE,
253 AV_PIX_FMT_YUV420P10LE, AV_PIX_FMT_YUVA420P10LE,
254 AV_PIX_FMT_YUV420P10BE, AV_PIX_FMT_YUVA420P10BE,
255 AV_PIX_FMT_YUV422P10LE, AV_PIX_FMT_YUVA422P10LE,
256 AV_PIX_FMT_YUV422P10BE, AV_PIX_FMT_YUVA422P10BE,
257 AV_PIX_FMT_YUV444P10LE, AV_PIX_FMT_YUVA444P10LE,
258 AV_PIX_FMT_YUV444P10BE, AV_PIX_FMT_YUVA444P10BE,
259 AV_PIX_FMT_YUV420P12BE, AV_PIX_FMT_YUV420P12LE,
260 AV_PIX_FMT_YUV422P12BE, AV_PIX_FMT_YUV422P12LE,
261 AV_PIX_FMT_YUV444P12BE, AV_PIX_FMT_YUV444P12LE,
262 AV_PIX_FMT_YUV420P14BE, AV_PIX_FMT_YUV420P14LE,
263 AV_PIX_FMT_YUV422P14BE, AV_PIX_FMT_YUV422P14LE,
264 AV_PIX_FMT_YUV444P14BE, AV_PIX_FMT_YUV444P14LE,
265 AV_PIX_FMT_YUV420P16LE, AV_PIX_FMT_YUVA420P16LE,
266 AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_YUVA420P16BE,
267 AV_PIX_FMT_YUV422P16LE, AV_PIX_FMT_YUVA422P16LE,
268 AV_PIX_FMT_YUV422P16BE, AV_PIX_FMT_YUVA422P16BE,
269 AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUVA444P16LE,
270 AV_PIX_FMT_YUV444P16BE, AV_PIX_FMT_YUVA444P16BE,
274 static int query_formats(AVFilterContext *ctx)
276 Stereo3DContext *s = ctx->priv;
277 const enum AVPixelFormat *pix_fmts;
278 AVFilterFormats *fmts_list;
280 switch (s->out.format) {
281 case ANAGLYPH_GM_COLOR:
282 case ANAGLYPH_GM_DUBOIS:
283 case ANAGLYPH_GM_GRAY:
284 case ANAGLYPH_GM_HALF:
285 case ANAGLYPH_RB_GRAY:
286 case ANAGLYPH_RC_COLOR:
287 case ANAGLYPH_RC_DUBOIS:
288 case ANAGLYPH_RC_GRAY:
289 case ANAGLYPH_RC_HALF:
290 case ANAGLYPH_RG_GRAY:
291 case ANAGLYPH_YB_COLOR:
292 case ANAGLYPH_YB_DUBOIS:
293 case ANAGLYPH_YB_GRAY:
294 case ANAGLYPH_YB_HALF:
295 pix_fmts = anaglyph_pix_fmts;
298 pix_fmts = other_pix_fmts;
301 fmts_list = ff_make_format_list(pix_fmts);
303 return AVERROR(ENOMEM);
304 return ff_set_common_formats(ctx, fmts_list);
307 static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right)
311 sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in
312 sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in
313 sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in
315 return av_clip_uint8(sum >> 16);
318 static void anaglyph_ic(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
319 ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
320 int width, int height,
321 const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
325 for (y = 0; y < height; y++) {
326 for (o = 0, x = 0; x < width; x++, o+= 3) {
327 dst[o ] = ana_convert(ana_matrix_r, lsrc + o * 2, rsrc + o * 2);
328 dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o * 2, rsrc + o * 2);
329 dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o * 2, rsrc + o * 2);
338 static void anaglyph(uint8_t *dst, uint8_t *lsrc, uint8_t *rsrc,
339 ptrdiff_t dst_linesize, ptrdiff_t l_linesize, ptrdiff_t r_linesize,
340 int width, int height,
341 const int *ana_matrix_r, const int *ana_matrix_g, const int *ana_matrix_b)
345 for (y = 0; y < height; y++) {
346 for (o = 0, x = 0; x < width; x++, o+= 3) {
347 dst[o ] = ana_convert(ana_matrix_r, lsrc + o, rsrc + o);
348 dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o, rsrc + o);
349 dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o, rsrc + o);
358 static int config_output(AVFilterLink *outlink)
360 AVFilterContext *ctx = outlink->src;
361 AVFilterLink *inlink = ctx->inputs[0];
362 Stereo3DContext *s = ctx->priv;
363 AVRational fps = inlink->frame_rate;
364 AVRational tb = inlink->time_base;
365 const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format);
367 s->aspect = inlink->sample_aspect_ratio;
369 switch (s->in.format) {
370 case INTERLEAVE_COLS_LR:
371 case INTERLEAVE_COLS_RL:
372 case SIDE_BY_SIDE_2_LR:
373 case SIDE_BY_SIDE_LR:
374 case SIDE_BY_SIDE_2_RL:
375 case SIDE_BY_SIDE_RL:
377 av_log(ctx, AV_LOG_ERROR, "width must be even\n");
378 return AVERROR_INVALIDDATA;
381 case INTERLEAVE_ROWS_LR:
382 case INTERLEAVE_ROWS_RL:
383 case ABOVE_BELOW_2_LR:
385 case ABOVE_BELOW_2_RL:
388 av_log(ctx, AV_LOG_ERROR, "height must be even\n");
389 return AVERROR_INVALIDDATA;
395 s->width = inlink->w;
397 s->height = inlink->h;
406 switch (s->in.format) {
407 case SIDE_BY_SIDE_2_LR:
409 case SIDE_BY_SIDE_LR:
410 s->width = inlink->w / 2;
411 s->in.off_right = s->width;
413 case SIDE_BY_SIDE_2_RL:
415 case SIDE_BY_SIDE_RL:
416 s->width = inlink->w / 2;
417 s->in.off_left = s->width;
419 case ABOVE_BELOW_2_LR:
423 s->height = inlink->h / 2;
425 case ABOVE_BELOW_2_RL:
429 s->height = inlink->h / 2;
436 case INTERLEAVE_COLS_RL:
437 case INTERLEAVE_COLS_LR:
438 s->width = inlink->w / 2;
440 case INTERLEAVE_ROWS_LR:
441 case INTERLEAVE_ROWS_RL:
443 if (s->in.format == INTERLEAVE_ROWS_RL)
447 if (s->out.format != CHECKERBOARD_LR &&
448 s->out.format != CHECKERBOARD_RL)
449 s->height = inlink->h / 2;
452 av_log(ctx, AV_LOG_ERROR, "input format %d is not supported\n", s->in.format);
453 return AVERROR(EINVAL);
456 s->out.width = s->width;
457 s->out.height = s->height;
463 s->out.row_right = 0;
466 switch (s->out.format) {
467 case ANAGLYPH_RB_GRAY:
468 case ANAGLYPH_RG_GRAY:
469 case ANAGLYPH_RC_GRAY:
470 case ANAGLYPH_RC_HALF:
471 case ANAGLYPH_RC_COLOR:
472 case ANAGLYPH_RC_DUBOIS:
473 case ANAGLYPH_GM_GRAY:
474 case ANAGLYPH_GM_HALF:
475 case ANAGLYPH_GM_COLOR:
476 case ANAGLYPH_GM_DUBOIS:
477 case ANAGLYPH_YB_GRAY:
478 case ANAGLYPH_YB_HALF:
479 case ANAGLYPH_YB_COLOR:
480 case ANAGLYPH_YB_DUBOIS: {
483 ff_fill_rgba_map(rgba_map, outlink->format);
484 s->ana_matrix[rgba_map[0]] = &ana_coeff[s->out.format][0][0];
485 s->ana_matrix[rgba_map[1]] = &ana_coeff[s->out.format][1][0];
486 s->ana_matrix[rgba_map[2]] = &ana_coeff[s->out.format][2][0];
489 case SIDE_BY_SIDE_2_LR:
491 case SIDE_BY_SIDE_LR:
492 s->out.width = s->width * 2;
493 s->out.off_right = s->width;
495 case SIDE_BY_SIDE_2_RL:
497 case SIDE_BY_SIDE_RL:
498 s->out.width = s->width * 2;
499 s->out.off_left = s->width;
501 case ABOVE_BELOW_2_LR:
504 s->out.height = s->height * 2;
505 s->out.row_right = s->height;
508 if (s->height != 720 && s->height != 1080) {
509 av_log(ctx, AV_LOG_ERROR, "Only 720 and 1080 height supported\n");
510 return AVERROR(EINVAL);
513 s->blanks = s->height / 24;
514 s->out.height = s->height * 2 + s->blanks;
515 s->out.row_right = s->height + s->blanks;
517 case ABOVE_BELOW_2_RL:
520 s->out.height = s->height * 2;
521 s->out.row_left = s->height;
523 case INTERLEAVE_ROWS_LR:
524 s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_RL);
526 s->out.height = s->height * 2;
527 s->out.off_rstep = 1;
529 case INTERLEAVE_ROWS_RL:
530 s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_LR);
532 s->out.height = s->height * 2;
533 s->out.off_lstep = 1;
536 if (s->in.format != INTERLEAVE_COLS_LR) {
537 s->in.off_left = s->in.off_right;
538 s->in.row_left = s->in.row_right;
540 if (s->in.format == INTERLEAVE_ROWS_LR)
541 FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
544 if (s->in.format == INTERLEAVE_ROWS_RL)
545 FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
552 case CHECKERBOARD_LR:
553 case CHECKERBOARD_RL:
554 s->out.width = s->width * 2;
556 case INTERLEAVE_COLS_LR:
557 case INTERLEAVE_COLS_RL:
558 s->out.width = s->width * 2;
561 av_log(ctx, AV_LOG_ERROR, "output format %d is not supported\n", s->out.format);
562 return AVERROR(EINVAL);
565 if (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) {
566 if ((s->in.format & 1) != (s->out.format & 1)) {
567 FFSWAP(int, s->in.row_left, s->in.row_right);
568 FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
569 FFSWAP(int, s->in.off_left, s->in.off_right);
570 FFSWAP(int, s->out.row_left, s->out.row_right);
571 FFSWAP(int, s->out.off_lstep, s->out.off_rstep);
572 FFSWAP(int, s->out.off_left, s->out.off_right);
576 outlink->w = s->out.width;
577 outlink->h = s->out.height;
578 outlink->frame_rate = fps;
579 outlink->time_base = tb;
580 outlink->sample_aspect_ratio = s->aspect;
582 if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, s->width)) < 0)
584 s->nb_planes = av_pix_fmt_count_planes(outlink->format);
585 av_image_fill_max_pixsteps(s->pixstep, NULL, desc);
586 s->pheight[1] = s->pheight[2] = AV_CEIL_RSHIFT(s->height, desc->log2_chroma_h);
587 s->pheight[0] = s->pheight[3] = s->height;
588 s->hsub = desc->log2_chroma_w;
589 s->vsub = desc->log2_chroma_h;
591 s->dsp.anaglyph = anaglyph;
593 ff_stereo3d_init_x86(&s->dsp);
598 typedef struct ThreadData {
599 AVFrame *ileft, *iright;
603 static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
605 Stereo3DContext *s = ctx->priv;
606 ThreadData *td = arg;
607 AVFrame *ileft = td->ileft;
608 AVFrame *iright = td->iright;
609 AVFrame *out = td->out;
610 int height = s->out.height;
611 int start = (height * jobnr ) / nb_jobs;
612 int end = (height * (jobnr+1)) / nb_jobs;
613 const int **ana_matrix = s->ana_matrix;
615 s->dsp.anaglyph(out->data[0] + out->linesize[0] * start,
616 ileft ->data[0] + s->in_off_left [0] + ileft->linesize[0] * start * s->in.row_step,
617 iright->data[0] + s->in_off_right[0] + iright->linesize[0] * start * s->in.row_step,
619 ileft->linesize[0] * s->in.row_step,
620 iright->linesize[0] * s->in.row_step,
621 s->out.width, end - start,
622 ana_matrix[0], ana_matrix[1], ana_matrix[2]);
627 static void interleave_cols_to_any(Stereo3DContext *s, int *out_off, int p, AVFrame *in, AVFrame *out, int d)
631 for (y = 0; y < s->pheight[p]; y++) {
632 const uint8_t *src = (const uint8_t*)in->data[p] + y * in->linesize[p] + d * s->pixstep[p];
633 uint8_t *dst = out->data[p] + out_off[p] + y * out->linesize[p] * s->out.row_step;
635 switch (s->pixstep[p]) {
637 for (x = 0; x < s->linesize[p]; x++)
641 for (x = 0; x < s->linesize[p]; x+=2)
642 AV_WN16(&dst[x], AV_RN16(&src[x * 2]));
645 for (x = 0; x < s->linesize[p]; x+=3)
646 AV_WB24(&dst[x], AV_RB24(&src[x * 2]));
649 for (x = 0; x < s->linesize[p]; x+=4)
650 AV_WN32(&dst[x], AV_RN32(&src[x * 2]));
653 for (x = 0; x < s->linesize[p]; x+=6)
654 AV_WB48(&dst[x], AV_RB48(&src[x * 2]));
657 for (x = 0; x < s->linesize[p]; x+=8)
658 AV_WN64(&dst[x], AV_RN64(&src[x * 2]));
664 static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
666 AVFilterContext *ctx = inlink->dst;
667 Stereo3DContext *s = ctx->priv;
668 AVFilterLink *outlink = ctx->outputs[0];
669 AVFrame *out, *oleft, *oright, *ileft, *iright;
670 int out_off_left[4], out_off_right[4];
673 if (s->in.format == s->out.format)
674 return ff_filter_frame(outlink, inpicref);
676 switch (s->out.format) {
686 switch (s->in.format) {
695 if (s->in.format == ALTERNATING_RL)
696 FFSWAP(AVFrame *, ileft, iright);
699 ileft = iright = inpicref;
702 if ((s->out.format == ALTERNATING_LR ||
703 s->out.format == ALTERNATING_RL) &&
704 (s->in.format == SIDE_BY_SIDE_LR ||
705 s->in.format == SIDE_BY_SIDE_RL ||
706 s->in.format == SIDE_BY_SIDE_2_LR ||
707 s->in.format == SIDE_BY_SIDE_2_RL ||
708 s->in.format == ABOVE_BELOW_LR ||
709 s->in.format == ABOVE_BELOW_RL ||
710 s->in.format == ABOVE_BELOW_2_LR ||
711 s->in.format == ABOVE_BELOW_2_RL ||
712 s->in.format == INTERLEAVE_ROWS_LR ||
713 s->in.format == INTERLEAVE_ROWS_RL)) {
714 oright = av_frame_clone(s->prev);
715 oleft = av_frame_clone(s->prev);
716 if (!oright || !oleft) {
717 av_frame_free(&oright);
718 av_frame_free(&oleft);
719 av_frame_free(&s->prev);
720 av_frame_free(&inpicref);
721 return AVERROR(ENOMEM);
723 } else if ((s->out.format == MONO_L ||
724 s->out.format == MONO_R) &&
725 (s->in.format == SIDE_BY_SIDE_LR ||
726 s->in.format == SIDE_BY_SIDE_RL ||
727 s->in.format == SIDE_BY_SIDE_2_LR ||
728 s->in.format == SIDE_BY_SIDE_2_RL ||
729 s->in.format == ABOVE_BELOW_LR ||
730 s->in.format == ABOVE_BELOW_RL ||
731 s->in.format == ABOVE_BELOW_2_LR ||
732 s->in.format == ABOVE_BELOW_2_RL ||
733 s->in.format == INTERLEAVE_ROWS_LR ||
734 s->in.format == INTERLEAVE_ROWS_RL)) {
735 out = oleft = oright = av_frame_clone(inpicref);
737 av_frame_free(&s->prev);
738 av_frame_free(&inpicref);
739 return AVERROR(ENOMEM);
741 } else if ((s->out.format == MONO_L && s->in.format == ALTERNATING_LR) ||
742 (s->out.format == MONO_R && s->in.format == ALTERNATING_RL)) {
744 ret = ff_filter_frame(outlink, s->prev);
745 av_frame_free(&inpicref);
748 } else if ((s->out.format == MONO_L && s->in.format == ALTERNATING_RL) ||
749 (s->out.format == MONO_R && s->in.format == ALTERNATING_LR)) {
750 av_frame_free(&s->prev);
752 return ff_filter_frame(outlink, inpicref);
753 } else if ((s->out.format == ALTERNATING_LR && s->in.format == ALTERNATING_RL) ||
754 (s->out.format == ALTERNATING_RL && s->in.format == ALTERNATING_LR)) {
755 FFSWAP(int64_t, s->prev->pts, inpicref->pts);
756 ff_filter_frame(outlink, inpicref);
757 ret = ff_filter_frame(outlink, s->prev);
761 out = oleft = oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
763 av_frame_free(&s->prev);
764 av_frame_free(&inpicref);
765 return AVERROR(ENOMEM);
767 av_frame_copy_props(out, inpicref);
769 if (s->out.format == ALTERNATING_LR ||
770 s->out.format == ALTERNATING_RL) {
771 oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
773 av_frame_free(&oleft);
774 av_frame_free(&s->prev);
775 av_frame_free(&inpicref);
776 return AVERROR(ENOMEM);
778 av_frame_copy_props(oright, s->prev);
782 for (i = 0; i < 4; i++) {
783 int hsub = i == 1 || i == 2 ? s->hsub : 0;
784 int vsub = i == 1 || i == 2 ? s->vsub : 0;
785 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);
786 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);
787 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);
788 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);
791 switch (s->out.format) {
794 switch (s->in.format) {
795 case INTERLEAVE_ROWS_LR:
796 case INTERLEAVE_ROWS_RL:
797 for (i = 0; i < s->nb_planes; i++) {
798 oleft->linesize[i] *= 2;
799 oright->linesize[i] *= 2;
803 case ABOVE_BELOW_2_LR:
804 case ABOVE_BELOW_2_RL:
805 case SIDE_BY_SIDE_LR:
806 case SIDE_BY_SIDE_RL:
807 case SIDE_BY_SIDE_2_LR:
808 case SIDE_BY_SIDE_2_RL:
809 oleft->width = outlink->w;
810 oright->width = outlink->w;
811 oleft->height = outlink->h;
812 oright->height = outlink->h;
814 for (i = 0; i < s->nb_planes; i++) {
815 oleft->data[i] += s->in_off_left[i];
816 oright->data[i] += s->in_off_right[i];
825 for (i = 0; i < s->nb_planes; i++) {
826 int j, h = s->height >> ((i == 1 || i == 2) ? s->vsub : 0);
827 int b = (s->blanks) >> ((i == 1 || i == 2) ? s->vsub : 0);
829 for (j = h; j < h + b; j++)
830 memset(oleft->data[i] + j * s->linesize[i], 0, s->linesize[i]);
832 case SIDE_BY_SIDE_LR:
833 case SIDE_BY_SIDE_RL:
834 case SIDE_BY_SIDE_2_LR:
835 case SIDE_BY_SIDE_2_RL:
838 case ABOVE_BELOW_2_LR:
839 case ABOVE_BELOW_2_RL:
840 case INTERLEAVE_ROWS_LR:
841 case INTERLEAVE_ROWS_RL:
843 if (s->in.format == INTERLEAVE_COLS_LR ||
844 s->in.format == INTERLEAVE_COLS_RL) {
845 for (i = 0; i < s->nb_planes; i++) {
846 int d = (s->in.format & 1) != (s->out.format & 1);
848 interleave_cols_to_any(s, out_off_left, i, ileft, oleft, d);
849 interleave_cols_to_any(s, out_off_right, i, iright, oright, !d);
852 for (i = 0; i < s->nb_planes; i++) {
853 av_image_copy_plane(oleft->data[i] + out_off_left[i],
854 oleft->linesize[i] * s->out.row_step,
855 ileft->data[i] + s->in_off_left[i],
856 ileft->linesize[i] * s->in.row_step,
857 s->linesize[i], s->pheight[i]);
858 av_image_copy_plane(oright->data[i] + out_off_right[i],
859 oright->linesize[i] * s->out.row_step,
860 iright->data[i] + s->in_off_right[i],
861 iright->linesize[i] * s->in.row_step,
862 s->linesize[i], s->pheight[i]);
869 switch (s->in.format) {
870 case INTERLEAVE_ROWS_LR:
871 case INTERLEAVE_ROWS_RL:
872 for (i = 0; i < s->nb_planes; i++) {
873 out->linesize[i] *= 2;
877 case ABOVE_BELOW_2_LR:
878 case ABOVE_BELOW_2_RL:
879 case SIDE_BY_SIDE_LR:
880 case SIDE_BY_SIDE_RL:
881 case SIDE_BY_SIDE_2_LR:
882 case SIDE_BY_SIDE_2_RL:
883 out->width = outlink->w;
884 out->height = outlink->h;
886 for (i = 0; i < s->nb_planes; i++) {
887 out->data[i] += s->in_off_left[i];
890 case INTERLEAVE_COLS_LR:
891 case INTERLEAVE_COLS_RL:
892 for (i = 0; i < s->nb_planes; i++) {
893 const int d = (s->in.format & 1) != (s->out.format & 1);
895 interleave_cols_to_any(s, out_off_right, i, iright, out, d);
899 for (i = 0; i < s->nb_planes; i++) {
900 av_image_copy_plane(out->data[i], out->linesize[i],
901 iright->data[i] + s->in_off_left[i],
902 iright->linesize[i] * s->in.row_step,
903 s->linesize[i], s->pheight[i]);
908 case ANAGLYPH_RB_GRAY:
909 case ANAGLYPH_RG_GRAY:
910 case ANAGLYPH_RC_GRAY:
911 case ANAGLYPH_RC_HALF:
912 case ANAGLYPH_RC_COLOR:
913 case ANAGLYPH_RC_DUBOIS:
914 case ANAGLYPH_GM_GRAY:
915 case ANAGLYPH_GM_HALF:
916 case ANAGLYPH_GM_COLOR:
917 case ANAGLYPH_GM_DUBOIS:
918 case ANAGLYPH_YB_GRAY:
919 case ANAGLYPH_YB_HALF:
920 case ANAGLYPH_YB_COLOR:
921 case ANAGLYPH_YB_DUBOIS: {
922 if (s->in.format == INTERLEAVE_COLS_LR ||
923 s->in.format == INTERLEAVE_COLS_RL) {
924 const int d = (s->in.format & 1);
926 anaglyph_ic(out->data[0],
927 ileft ->data[0] + s->in_off_left [0] + d * 3,
928 iright->data[0] + s->in_off_right[0] + (!d) * 3,
930 ileft->linesize[0] * s->in.row_step,
931 iright->linesize[0] * s->in.row_step,
932 s->out.width, s->out.height,
933 s->ana_matrix[0], s->ana_matrix[1], s->ana_matrix[2]);
937 td.ileft = ileft; td.iright = iright; td.out = out;
938 ctx->internal->execute(ctx, filter_slice, &td, NULL,
939 FFMIN(s->out.height, ff_filter_get_nb_threads(ctx)));
943 case CHECKERBOARD_RL:
944 case CHECKERBOARD_LR:
945 for (i = 0; i < s->nb_planes; i++) {
948 for (y = 0; y < s->pheight[i]; y++) {
949 uint8_t *dst = out->data[i] + out->linesize[i] * y;
950 const int d1 = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) && (s->in.format & 1) != (s->out.format & 1);
951 const int d2 = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL) ? !d1 : 0;
952 const int m = 1 + (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL);
953 uint8_t *left = ileft->data[i] + ileft->linesize[i] * y + s->in_off_left[i] + d1 * s->pixstep[i];
954 uint8_t *right = iright->data[i] + iright->linesize[i] * y + s->in_off_right[i] + d2 * s->pixstep[i];
957 if (s->out.format == CHECKERBOARD_RL && s->in.format != INTERLEAVE_COLS_LR && s->in.format != INTERLEAVE_COLS_RL)
958 FFSWAP(uint8_t*, left, right);
959 switch (s->pixstep[i]) {
961 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b+=2) {
962 dst[x ] = (b&1) == (y&1) ? left[p*m] : right[p*m];
963 dst[x+1] = (b&1) != (y&1) ? left[p*m] : right[p*m];
967 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b+=2) {
968 AV_WN16(&dst[x ], (b&1) == (y&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
969 AV_WN16(&dst[x+2], (b&1) != (y&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
973 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b+=2) {
974 AV_WB24(&dst[x ], (b&1) == (y&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
975 AV_WB24(&dst[x+3], (b&1) != (y&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
979 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b+=2) {
980 AV_WN32(&dst[x ], (b&1) == (y&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
981 AV_WN32(&dst[x+4], (b&1) != (y&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
985 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b+=2) {
986 AV_WB48(&dst[x ], (b&1) == (y&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
987 AV_WB48(&dst[x+6], (b&1) != (y&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
991 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b+=2) {
992 AV_WN64(&dst[x ], (b&1) == (y&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
993 AV_WN64(&dst[x+8], (b&1) != (y&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1000 case INTERLEAVE_COLS_LR:
1001 case INTERLEAVE_COLS_RL:
1002 for (i = 0; i < s->nb_planes; i++) {
1003 const int d = (s->in.format == INTERLEAVE_COLS_LR || s->in.format == INTERLEAVE_COLS_RL);
1004 const int m = 1 + d;
1007 for (y = 0; y < s->pheight[i]; y++) {
1008 uint8_t *dst = out->data[i] + out->linesize[i] * y;
1009 uint8_t *left = ileft->data[i] + ileft->linesize[i] * y * s->in.row_step + s->in_off_left[i] + d * s->pixstep[i];
1010 uint8_t *right = iright->data[i] + iright->linesize[i] * y * s->in.row_step + s->in_off_right[i];
1013 if (s->out.format == INTERLEAVE_COLS_LR)
1014 FFSWAP(uint8_t*, left, right);
1016 switch (s->pixstep[i]) {
1018 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b+=2) {
1019 dst[x ] = b&1 ? left[p*m] : right[p*m];
1020 dst[x+1] = !(b&1) ? left[p*m] : right[p*m];
1024 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b+=2) {
1025 AV_WN16(&dst[x ], b&1 ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
1026 AV_WN16(&dst[x+2], !(b&1) ? AV_RN16(&left[p*m]) : AV_RN16(&right[p*m]));
1030 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b+=2) {
1031 AV_WB24(&dst[x ], b&1 ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
1032 AV_WB24(&dst[x+3], !(b&1) ? AV_RB24(&left[p*m]) : AV_RB24(&right[p*m]));
1036 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b+=2) {
1037 AV_WN32(&dst[x ], b&1 ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1038 AV_WN32(&dst[x+4], !(b&1) ? AV_RN32(&left[p*m]) : AV_RN32(&right[p*m]));
1042 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b+=2) {
1043 AV_WB48(&dst[x ], b&1 ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1044 AV_WB48(&dst[x+6], !(b&1) ? AV_RB48(&left[p*m]) : AV_RB48(&right[p*m]));
1048 for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b+=2) {
1049 AV_WN64(&dst[x ], b&1 ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1050 AV_WN64(&dst[x+8], !(b&1) ? AV_RN64(&left[p*m]) : AV_RN64(&right[p*m]));
1061 if (oright != oleft) {
1062 if (s->out.format == ALTERNATING_LR)
1063 FFSWAP(AVFrame *, oleft, oright);
1064 oright->pts = s->prev->pts * 2;
1065 ff_filter_frame(outlink, oright);
1067 oleft->pts = s->prev->pts + inpicref->pts;
1068 av_frame_free(&s->prev);
1070 } else if (s->in.format == ALTERNATING_LR ||
1071 s->in.format == ALTERNATING_RL) {
1072 out->pts = s->prev->pts / 2;
1073 av_frame_free(&s->prev);
1074 av_frame_free(&inpicref);
1076 av_frame_free(&s->prev);
1077 av_frame_free(&inpicref);
1079 out->sample_aspect_ratio = s->aspect;
1080 return ff_filter_frame(outlink, out);
1083 static av_cold void uninit(AVFilterContext *ctx)
1085 Stereo3DContext *s = ctx->priv;
1087 av_frame_free(&s->prev);
1090 static const AVFilterPad stereo3d_inputs[] = {
1093 .type = AVMEDIA_TYPE_VIDEO,
1094 .filter_frame = filter_frame,
1099 static const AVFilterPad stereo3d_outputs[] = {
1102 .type = AVMEDIA_TYPE_VIDEO,
1103 .config_props = config_output,
1108 AVFilter ff_vf_stereo3d = {
1110 .description = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."),
1111 .priv_size = sizeof(Stereo3DContext),
1113 .query_formats = query_formats,
1114 .inputs = stereo3d_inputs,
1115 .outputs = stereo3d_outputs,
1116 .priv_class = &stereo3d_class,
1117 .flags = AVFILTER_FLAG_SLICE_THREADS,