| 1 | /* |
| 2 | * Copyright (c) 2010 Gordon Schmidt <gordon.schmidt <at> s2000.tu-chemnitz.de> |
| 3 | * Copyright (c) 2013 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/opt.h" |
| 25 | #include "libavutil/parseutils.h" |
| 26 | #include "libavutil/pixdesc.h" |
| 27 | #include "avfilter.h" |
| 28 | #include "drawutils.h" |
| 29 | #include "formats.h" |
| 30 | #include "internal.h" |
| 31 | #include "video.h" |
| 32 | |
| 33 | enum StereoCode { |
| 34 | ANAGLYPH_RC_GRAY, // anaglyph red/cyan gray |
| 35 | ANAGLYPH_RC_HALF, // anaglyph red/cyan half colored |
| 36 | ANAGLYPH_RC_COLOR, // anaglyph red/cyan colored |
| 37 | ANAGLYPH_RC_DUBOIS, // anaglyph red/cyan dubois |
| 38 | ANAGLYPH_GM_GRAY, // anaglyph green/magenta gray |
| 39 | ANAGLYPH_GM_HALF, // anaglyph green/magenta half colored |
| 40 | ANAGLYPH_GM_COLOR, // anaglyph green/magenta colored |
| 41 | ANAGLYPH_GM_DUBOIS, // anaglyph green/magenta dubois |
| 42 | ANAGLYPH_YB_GRAY, // anaglyph yellow/blue gray |
| 43 | ANAGLYPH_YB_HALF, // anaglyph yellow/blue half colored |
| 44 | ANAGLYPH_YB_COLOR, // anaglyph yellow/blue colored |
| 45 | ANAGLYPH_YB_DUBOIS, // anaglyph yellow/blue dubois |
| 46 | ANAGLYPH_RB_GRAY, // anaglyph red/blue gray |
| 47 | ANAGLYPH_RG_GRAY, // anaglyph red/green gray |
| 48 | MONO_L, // mono output for debugging (left eye only) |
| 49 | MONO_R, // mono output for debugging (right eye only) |
| 50 | INTERLEAVE_ROWS_LR, // row-interleave (left eye has top row) |
| 51 | INTERLEAVE_ROWS_RL, // row-interleave (right eye has top row) |
| 52 | SIDE_BY_SIDE_LR, // side by side parallel (left eye left, right eye right) |
| 53 | SIDE_BY_SIDE_RL, // side by side crosseye (right eye left, left eye right) |
| 54 | SIDE_BY_SIDE_2_LR, // side by side parallel with half width resolution |
| 55 | SIDE_BY_SIDE_2_RL, // side by side crosseye with half width resolution |
| 56 | ABOVE_BELOW_LR, // above-below (left eye above, right eye below) |
| 57 | ABOVE_BELOW_RL, // above-below (right eye above, left eye below) |
| 58 | ABOVE_BELOW_2_LR, // above-below with half height resolution |
| 59 | ABOVE_BELOW_2_RL, // above-below with half height resolution |
| 60 | ALTERNATING_LR, // alternating frames (left eye first, right eye second) |
| 61 | ALTERNATING_RL, // alternating frames (right eye first, left eye second) |
| 62 | STEREO_CODE_COUNT // TODO: needs autodetection |
| 63 | }; |
| 64 | |
| 65 | typedef struct StereoComponent { |
| 66 | enum StereoCode format; |
| 67 | int width, height; |
| 68 | int off_left, off_right; |
| 69 | int off_lstep, off_rstep; |
| 70 | int row_left, row_right; |
| 71 | } StereoComponent; |
| 72 | |
| 73 | static const int ana_coeff[][3][6] = { |
| 74 | [ANAGLYPH_RB_GRAY] = |
| 75 | {{19595, 38470, 7471, 0, 0, 0}, |
| 76 | { 0, 0, 0, 0, 0, 0}, |
| 77 | { 0, 0, 0, 19595, 38470, 7471}}, |
| 78 | [ANAGLYPH_RG_GRAY] = |
| 79 | {{19595, 38470, 7471, 0, 0, 0}, |
| 80 | { 0, 0, 0, 19595, 38470, 7471}, |
| 81 | { 0, 0, 0, 0, 0, 0}}, |
| 82 | [ANAGLYPH_RC_GRAY] = |
| 83 | {{19595, 38470, 7471, 0, 0, 0}, |
| 84 | { 0, 0, 0, 19595, 38470, 7471}, |
| 85 | { 0, 0, 0, 19595, 38470, 7471}}, |
| 86 | [ANAGLYPH_RC_HALF] = |
| 87 | {{19595, 38470, 7471, 0, 0, 0}, |
| 88 | { 0, 0, 0, 0, 65536, 0}, |
| 89 | { 0, 0, 0, 0, 0, 65536}}, |
| 90 | [ANAGLYPH_RC_COLOR] = |
| 91 | {{65536, 0, 0, 0, 0, 0}, |
| 92 | { 0, 0, 0, 0, 65536, 0}, |
| 93 | { 0, 0, 0, 0, 0, 65536}}, |
| 94 | [ANAGLYPH_RC_DUBOIS] = |
| 95 | {{29891, 32800, 11559, -2849, -5763, -102}, |
| 96 | {-2627, -2479, -1033, 24804, 48080, -1209}, |
| 97 | { -997, -1350, -358, -4729, -7403, 80373}}, |
| 98 | [ANAGLYPH_GM_GRAY] = |
| 99 | {{ 0, 0, 0, 19595, 38470, 7471}, |
| 100 | {19595, 38470, 7471, 0, 0, 0}, |
| 101 | { 0, 0, 0, 19595, 38470, 7471}}, |
| 102 | [ANAGLYPH_GM_HALF] = |
| 103 | {{ 0, 0, 0, 65536, 0, 0}, |
| 104 | {19595, 38470, 7471, 0, 0, 0}, |
| 105 | { 0, 0, 0, 0, 0, 65536}}, |
| 106 | [ANAGLYPH_GM_COLOR] = |
| 107 | {{ 0, 0, 0, 65536, 0, 0}, |
| 108 | { 0, 65536, 0, 0, 0, 0}, |
| 109 | { 0, 0, 0, 0, 0, 65536}}, |
| 110 | [ANAGLYPH_GM_DUBOIS] = |
| 111 | {{-4063,-10354, -2556, 34669, 46203, 1573}, |
| 112 | {18612, 43778, 9372, -1049, -983, -4260}, |
| 113 | { -983, -1769, 1376, 590, 4915, 61407}}, |
| 114 | [ANAGLYPH_YB_GRAY] = |
| 115 | {{ 0, 0, 0, 19595, 38470, 7471}, |
| 116 | { 0, 0, 0, 19595, 38470, 7471}, |
| 117 | {19595, 38470, 7471, 0, 0, 0}}, |
| 118 | [ANAGLYPH_YB_HALF] = |
| 119 | {{ 0, 0, 0, 65536, 0, 0}, |
| 120 | { 0, 0, 0, 0, 65536, 0}, |
| 121 | {19595, 38470, 7471, 0, 0, 0}}, |
| 122 | [ANAGLYPH_YB_COLOR] = |
| 123 | {{ 0, 0, 0, 65536, 0, 0}, |
| 124 | { 0, 0, 0, 0, 65536, 0}, |
| 125 | { 0, 0, 65536, 0, 0, 0}}, |
| 126 | [ANAGLYPH_YB_DUBOIS] = |
| 127 | {{65535,-12650,18451, -987, -7590, -1049}, |
| 128 | {-1604, 56032, 4196, 370, 3826, -1049}, |
| 129 | {-2345,-10676, 1358, 5801, 11416, 56217}}, |
| 130 | }; |
| 131 | |
| 132 | typedef struct Stereo3DContext { |
| 133 | const AVClass *class; |
| 134 | StereoComponent in, out; |
| 135 | int width, height; |
| 136 | int row_step; |
| 137 | const int *ana_matrix[3]; |
| 138 | int nb_planes; |
| 139 | int linesize[4]; |
| 140 | int pheight[4]; |
| 141 | int hsub, vsub; |
| 142 | int pixstep[4]; |
| 143 | AVFrame *prev; |
| 144 | double ts_unit; |
| 145 | } Stereo3DContext; |
| 146 | |
| 147 | #define OFFSET(x) offsetof(Stereo3DContext, x) |
| 148 | #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM |
| 149 | |
| 150 | static const AVOption stereo3d_options[] = { |
| 151 | { "in", "set input format", OFFSET(in.format), AV_OPT_TYPE_INT, {.i64=SIDE_BY_SIDE_LR}, SIDE_BY_SIDE_LR, STEREO_CODE_COUNT-1, FLAGS, "in"}, |
| 152 | { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "in" }, |
| 153 | { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "in" }, |
| 154 | { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "in" }, |
| 155 | { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "in" }, |
| 156 | { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "in" }, |
| 157 | { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, "in" }, |
| 158 | { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "in" }, |
| 159 | { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "in" }, |
| 160 | { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "in" }, |
| 161 | { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "in" }, |
| 162 | { "out", "set output format", OFFSET(out.format), AV_OPT_TYPE_INT, {.i64=ANAGLYPH_RC_DUBOIS}, 0, STEREO_CODE_COUNT-1, FLAGS, "out"}, |
| 163 | { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "out" }, |
| 164 | { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "out" }, |
| 165 | { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "out" }, |
| 166 | { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "out" }, |
| 167 | { "agmc", "anaglyph green magenta color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_COLOR}, 0, 0, FLAGS, "out" }, |
| 168 | { "agmd", "anaglyph green magenta dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_DUBOIS}, 0, 0, FLAGS, "out" }, |
| 169 | { "agmg", "anaglyph green magenta gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_GRAY}, 0, 0, FLAGS, "out" }, |
| 170 | { "agmh", "anaglyph green magenta half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_HALF}, 0, 0, FLAGS, "out" }, |
| 171 | { "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "out" }, |
| 172 | { "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 0, 0, FLAGS, "out" }, |
| 173 | { "arbg", "anaglyph red blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RB_GRAY}, 0, 0, FLAGS, "out" }, |
| 174 | { "arcc", "anaglyph red cyan color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_COLOR}, 0, 0, FLAGS, "out" }, |
| 175 | { "arcd", "anaglyph red cyan dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_DUBOIS}, 0, 0, FLAGS, "out" }, |
| 176 | { "arcg", "anaglyph red cyan gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_GRAY}, 0, 0, FLAGS, "out" }, |
| 177 | { "arch", "anaglyph red cyan half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_HALF}, 0, 0, FLAGS, "out" }, |
| 178 | { "argg", "anaglyph red green gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RG_GRAY}, 0, 0, FLAGS, "out" }, |
| 179 | { "aybc", "anaglyph yellow blue color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_COLOR}, 0, 0, FLAGS, "out" }, |
| 180 | { "aybd", "anaglyph yellow blue dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_DUBOIS}, 0, 0, FLAGS, "out" }, |
| 181 | { "aybg", "anaglyph yellow blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_GRAY}, 0, 0, FLAGS, "out" }, |
| 182 | { "aybh", "anaglyph yellow blue half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_HALF}, 0, 0, FLAGS, "out" }, |
| 183 | { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, "out" }, |
| 184 | { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, "out" }, |
| 185 | { "ml", "mono left", 0, AV_OPT_TYPE_CONST, {.i64=MONO_L}, 0, 0, FLAGS, "out" }, |
| 186 | { "mr", "mono right", 0, AV_OPT_TYPE_CONST, {.i64=MONO_R}, 0, 0, FLAGS, "out" }, |
| 187 | { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "out" }, |
| 188 | { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "out" }, |
| 189 | { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "out" }, |
| 190 | { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "out" }, |
| 191 | { NULL } |
| 192 | }; |
| 193 | |
| 194 | AVFILTER_DEFINE_CLASS(stereo3d); |
| 195 | |
| 196 | static const enum AVPixelFormat anaglyph_pix_fmts[] = { |
| 197 | AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, |
| 198 | AV_PIX_FMT_NONE |
| 199 | }; |
| 200 | |
| 201 | static const enum AVPixelFormat other_pix_fmts[] = { |
| 202 | AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, |
| 203 | AV_PIX_FMT_RGB48BE, AV_PIX_FMT_BGR48BE, |
| 204 | AV_PIX_FMT_RGB48LE, AV_PIX_FMT_BGR48LE, |
| 205 | AV_PIX_FMT_RGBA64BE, AV_PIX_FMT_BGRA64BE, |
| 206 | AV_PIX_FMT_RGBA64LE, AV_PIX_FMT_BGRA64LE, |
| 207 | AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, |
| 208 | AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, |
| 209 | AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0, |
| 210 | AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR, |
| 211 | AV_PIX_FMT_GBRP, |
| 212 | AV_PIX_FMT_GBRP9BE, AV_PIX_FMT_GBRP9LE, |
| 213 | AV_PIX_FMT_GBRP10BE, AV_PIX_FMT_GBRP10LE, |
| 214 | AV_PIX_FMT_GBRP12BE, AV_PIX_FMT_GBRP12LE, |
| 215 | AV_PIX_FMT_GBRP14BE, AV_PIX_FMT_GBRP14LE, |
| 216 | AV_PIX_FMT_GBRP16BE, AV_PIX_FMT_GBRP16LE, |
| 217 | AV_PIX_FMT_YUV410P, |
| 218 | AV_PIX_FMT_YUV411P, |
| 219 | AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P, |
| 220 | AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P, |
| 221 | AV_PIX_FMT_YUV440P, |
| 222 | AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA444P, |
| 223 | AV_PIX_FMT_YUVJ411P, |
| 224 | AV_PIX_FMT_YUVJ420P, |
| 225 | AV_PIX_FMT_YUVJ422P, |
| 226 | AV_PIX_FMT_YUVJ440P, |
| 227 | AV_PIX_FMT_YUVJ444P, |
| 228 | AV_PIX_FMT_YUV420P9LE, AV_PIX_FMT_YUVA420P9LE, |
| 229 | AV_PIX_FMT_YUV420P9BE, AV_PIX_FMT_YUVA420P9BE, |
| 230 | AV_PIX_FMT_YUV422P9LE, AV_PIX_FMT_YUVA422P9LE, |
| 231 | AV_PIX_FMT_YUV422P9BE, AV_PIX_FMT_YUVA422P9BE, |
| 232 | AV_PIX_FMT_YUV444P9LE, AV_PIX_FMT_YUVA444P9LE, |
| 233 | AV_PIX_FMT_YUV444P9BE, AV_PIX_FMT_YUVA444P9BE, |
| 234 | AV_PIX_FMT_YUV420P10LE, AV_PIX_FMT_YUVA420P10LE, |
| 235 | AV_PIX_FMT_YUV420P10BE, AV_PIX_FMT_YUVA420P10BE, |
| 236 | AV_PIX_FMT_YUV422P10LE, AV_PIX_FMT_YUVA422P10LE, |
| 237 | AV_PIX_FMT_YUV422P10BE, AV_PIX_FMT_YUVA422P10BE, |
| 238 | AV_PIX_FMT_YUV444P10LE, AV_PIX_FMT_YUVA444P10LE, |
| 239 | AV_PIX_FMT_YUV444P10BE, AV_PIX_FMT_YUVA444P10BE, |
| 240 | AV_PIX_FMT_YUV420P12BE, AV_PIX_FMT_YUV420P12LE, |
| 241 | AV_PIX_FMT_YUV422P12BE, AV_PIX_FMT_YUV422P12LE, |
| 242 | AV_PIX_FMT_YUV444P12BE, AV_PIX_FMT_YUV444P12LE, |
| 243 | AV_PIX_FMT_YUV420P14BE, AV_PIX_FMT_YUV420P14LE, |
| 244 | AV_PIX_FMT_YUV422P14BE, AV_PIX_FMT_YUV422P14LE, |
| 245 | AV_PIX_FMT_YUV444P14BE, AV_PIX_FMT_YUV444P14LE, |
| 246 | AV_PIX_FMT_YUV420P16LE, AV_PIX_FMT_YUVA420P16LE, |
| 247 | AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_YUVA420P16BE, |
| 248 | AV_PIX_FMT_YUV422P16LE, AV_PIX_FMT_YUVA422P16LE, |
| 249 | AV_PIX_FMT_YUV422P16BE, AV_PIX_FMT_YUVA422P16BE, |
| 250 | AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUVA444P16LE, |
| 251 | AV_PIX_FMT_YUV444P16BE, AV_PIX_FMT_YUVA444P16BE, |
| 252 | AV_PIX_FMT_NONE |
| 253 | }; |
| 254 | |
| 255 | static int query_formats(AVFilterContext *ctx) |
| 256 | { |
| 257 | Stereo3DContext *s = ctx->priv; |
| 258 | const enum AVPixelFormat *pix_fmts; |
| 259 | |
| 260 | switch (s->out.format) { |
| 261 | case ANAGLYPH_GM_COLOR: |
| 262 | case ANAGLYPH_GM_DUBOIS: |
| 263 | case ANAGLYPH_GM_GRAY: |
| 264 | case ANAGLYPH_GM_HALF: |
| 265 | case ANAGLYPH_RB_GRAY: |
| 266 | case ANAGLYPH_RC_COLOR: |
| 267 | case ANAGLYPH_RC_DUBOIS: |
| 268 | case ANAGLYPH_RC_GRAY: |
| 269 | case ANAGLYPH_RC_HALF: |
| 270 | case ANAGLYPH_RG_GRAY: |
| 271 | case ANAGLYPH_YB_COLOR: |
| 272 | case ANAGLYPH_YB_DUBOIS: |
| 273 | case ANAGLYPH_YB_GRAY: |
| 274 | case ANAGLYPH_YB_HALF: |
| 275 | pix_fmts = anaglyph_pix_fmts; |
| 276 | break; |
| 277 | default: |
| 278 | pix_fmts = other_pix_fmts; |
| 279 | } |
| 280 | |
| 281 | ff_set_common_formats(ctx, ff_make_format_list(pix_fmts)); |
| 282 | |
| 283 | return 0; |
| 284 | } |
| 285 | |
| 286 | static int config_output(AVFilterLink *outlink) |
| 287 | { |
| 288 | AVFilterContext *ctx = outlink->src; |
| 289 | AVFilterLink *inlink = ctx->inputs[0]; |
| 290 | Stereo3DContext *s = ctx->priv; |
| 291 | AVRational aspect = inlink->sample_aspect_ratio; |
| 292 | AVRational fps = inlink->frame_rate; |
| 293 | AVRational tb = inlink->time_base; |
| 294 | const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format); |
| 295 | int ret; |
| 296 | |
| 297 | switch (s->in.format) { |
| 298 | case SIDE_BY_SIDE_2_LR: |
| 299 | case SIDE_BY_SIDE_LR: |
| 300 | case SIDE_BY_SIDE_2_RL: |
| 301 | case SIDE_BY_SIDE_RL: |
| 302 | if (inlink->w & 1) { |
| 303 | av_log(ctx, AV_LOG_ERROR, "width must be even\n"); |
| 304 | return AVERROR_INVALIDDATA; |
| 305 | } |
| 306 | break; |
| 307 | case ABOVE_BELOW_2_LR: |
| 308 | case ABOVE_BELOW_LR: |
| 309 | case ABOVE_BELOW_2_RL: |
| 310 | case ABOVE_BELOW_RL: |
| 311 | if (s->out.format == INTERLEAVE_ROWS_LR || |
| 312 | s->out.format == INTERLEAVE_ROWS_RL) { |
| 313 | if (inlink->h & 3) { |
| 314 | av_log(ctx, AV_LOG_ERROR, "height must be multiple of 4\n"); |
| 315 | return AVERROR_INVALIDDATA; |
| 316 | } |
| 317 | } |
| 318 | if (inlink->h & 1) { |
| 319 | av_log(ctx, AV_LOG_ERROR, "height must be even\n"); |
| 320 | return AVERROR_INVALIDDATA; |
| 321 | } |
| 322 | break; |
| 323 | } |
| 324 | |
| 325 | s->in.width = |
| 326 | s->width = inlink->w; |
| 327 | s->in.height = |
| 328 | s->height = inlink->h; |
| 329 | s->row_step = 1; |
| 330 | s->in.off_lstep = |
| 331 | s->in.off_rstep = |
| 332 | s->in.off_left = |
| 333 | s->in.off_right = |
| 334 | s->in.row_left = |
| 335 | s->in.row_right = 0; |
| 336 | |
| 337 | switch (s->in.format) { |
| 338 | case SIDE_BY_SIDE_2_LR: |
| 339 | aspect.num *= 2; |
| 340 | case SIDE_BY_SIDE_LR: |
| 341 | s->width = inlink->w / 2; |
| 342 | s->in.off_right = s->width; |
| 343 | break; |
| 344 | case SIDE_BY_SIDE_2_RL: |
| 345 | aspect.num *= 2; |
| 346 | case SIDE_BY_SIDE_RL: |
| 347 | s->width = inlink->w / 2; |
| 348 | s->in.off_left = s->width; |
| 349 | break; |
| 350 | case ABOVE_BELOW_2_LR: |
| 351 | aspect.den *= 2; |
| 352 | case ABOVE_BELOW_LR: |
| 353 | s->in.row_right = |
| 354 | s->height = inlink->h / 2; |
| 355 | break; |
| 356 | case ABOVE_BELOW_2_RL: |
| 357 | aspect.den *= 2; |
| 358 | case ABOVE_BELOW_RL: |
| 359 | s->in.row_left = |
| 360 | s->height = inlink->h / 2; |
| 361 | break; |
| 362 | case ALTERNATING_RL: |
| 363 | case ALTERNATING_LR: |
| 364 | outlink->flags |= FF_LINK_FLAG_REQUEST_LOOP; |
| 365 | fps.den *= 2; |
| 366 | tb.num *= 2; |
| 367 | break; |
| 368 | default: |
| 369 | av_log(ctx, AV_LOG_ERROR, "input format %d is not supported\n", s->in.format); |
| 370 | return AVERROR(EINVAL); |
| 371 | } |
| 372 | |
| 373 | s->out.width = s->width; |
| 374 | s->out.height = s->height; |
| 375 | s->out.off_lstep = |
| 376 | s->out.off_rstep = |
| 377 | s->out.off_left = |
| 378 | s->out.off_right = |
| 379 | s->out.row_left = |
| 380 | s->out.row_right = 0; |
| 381 | |
| 382 | switch (s->out.format) { |
| 383 | case ANAGLYPH_RB_GRAY: |
| 384 | case ANAGLYPH_RG_GRAY: |
| 385 | case ANAGLYPH_RC_GRAY: |
| 386 | case ANAGLYPH_RC_HALF: |
| 387 | case ANAGLYPH_RC_COLOR: |
| 388 | case ANAGLYPH_RC_DUBOIS: |
| 389 | case ANAGLYPH_GM_GRAY: |
| 390 | case ANAGLYPH_GM_HALF: |
| 391 | case ANAGLYPH_GM_COLOR: |
| 392 | case ANAGLYPH_GM_DUBOIS: |
| 393 | case ANAGLYPH_YB_GRAY: |
| 394 | case ANAGLYPH_YB_HALF: |
| 395 | case ANAGLYPH_YB_COLOR: |
| 396 | case ANAGLYPH_YB_DUBOIS: { |
| 397 | uint8_t rgba_map[4]; |
| 398 | |
| 399 | ff_fill_rgba_map(rgba_map, outlink->format); |
| 400 | s->ana_matrix[rgba_map[0]] = &ana_coeff[s->out.format][0][0]; |
| 401 | s->ana_matrix[rgba_map[1]] = &ana_coeff[s->out.format][1][0]; |
| 402 | s->ana_matrix[rgba_map[2]] = &ana_coeff[s->out.format][2][0]; |
| 403 | break; |
| 404 | } |
| 405 | case SIDE_BY_SIDE_2_LR: |
| 406 | aspect.den *= 2; |
| 407 | case SIDE_BY_SIDE_LR: |
| 408 | s->out.width = s->width * 2; |
| 409 | s->out.off_right = s->width; |
| 410 | break; |
| 411 | case SIDE_BY_SIDE_2_RL: |
| 412 | aspect.den *= 2; |
| 413 | case SIDE_BY_SIDE_RL: |
| 414 | s->out.width = s->width * 2; |
| 415 | s->out.off_left = s->width; |
| 416 | break; |
| 417 | case ABOVE_BELOW_2_LR: |
| 418 | aspect.num *= 2; |
| 419 | case ABOVE_BELOW_LR: |
| 420 | s->out.height = s->height * 2; |
| 421 | s->out.row_right = s->height; |
| 422 | break; |
| 423 | case ABOVE_BELOW_2_RL: |
| 424 | aspect.num *= 2; |
| 425 | case ABOVE_BELOW_RL: |
| 426 | s->out.height = s->height * 2; |
| 427 | s->out.row_left = s->height; |
| 428 | break; |
| 429 | case INTERLEAVE_ROWS_LR: |
| 430 | s->row_step = 2; |
| 431 | s->height = s->height / 2; |
| 432 | s->out.off_rstep = |
| 433 | s->in.off_rstep = 1; |
| 434 | break; |
| 435 | case INTERLEAVE_ROWS_RL: |
| 436 | s->row_step = 2; |
| 437 | s->height = s->height / 2; |
| 438 | s->out.off_lstep = |
| 439 | s->in.off_lstep = 1; |
| 440 | break; |
| 441 | case MONO_R: |
| 442 | s->in.off_left = s->in.off_right; |
| 443 | s->in.row_left = s->in.row_right; |
| 444 | case MONO_L: |
| 445 | break; |
| 446 | case ALTERNATING_RL: |
| 447 | case ALTERNATING_LR: |
| 448 | fps.num *= 2; |
| 449 | tb.den *= 2; |
| 450 | break; |
| 451 | default: |
| 452 | av_log(ctx, AV_LOG_ERROR, "output format %d is not supported\n", s->out.format); |
| 453 | return AVERROR(EINVAL); |
| 454 | } |
| 455 | |
| 456 | outlink->w = s->out.width; |
| 457 | outlink->h = s->out.height; |
| 458 | outlink->frame_rate = fps; |
| 459 | outlink->time_base = tb; |
| 460 | outlink->sample_aspect_ratio = aspect; |
| 461 | |
| 462 | if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, s->width)) < 0) |
| 463 | return ret; |
| 464 | s->nb_planes = av_pix_fmt_count_planes(outlink->format); |
| 465 | av_image_fill_max_pixsteps(s->pixstep, NULL, desc); |
| 466 | s->ts_unit = av_q2d(av_inv_q(av_mul_q(outlink->frame_rate, outlink->time_base))); |
| 467 | s->pheight[1] = s->pheight[2] = FF_CEIL_RSHIFT(s->height, desc->log2_chroma_h); |
| 468 | s->pheight[0] = s->pheight[3] = s->height; |
| 469 | s->hsub = desc->log2_chroma_w; |
| 470 | s->vsub = desc->log2_chroma_h; |
| 471 | |
| 472 | return 0; |
| 473 | } |
| 474 | |
| 475 | static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const uint8_t *right) |
| 476 | { |
| 477 | int sum; |
| 478 | |
| 479 | sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in |
| 480 | sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in |
| 481 | sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in |
| 482 | |
| 483 | return av_clip_uint8(sum >> 16); |
| 484 | } |
| 485 | |
| 486 | static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref) |
| 487 | { |
| 488 | AVFilterContext *ctx = inlink->dst; |
| 489 | Stereo3DContext *s = ctx->priv; |
| 490 | AVFilterLink *outlink = ctx->outputs[0]; |
| 491 | AVFrame *out, *oleft, *oright, *ileft, *iright; |
| 492 | int out_off_left[4], out_off_right[4]; |
| 493 | int in_off_left[4], in_off_right[4]; |
| 494 | int i; |
| 495 | |
| 496 | switch (s->in.format) { |
| 497 | case ALTERNATING_LR: |
| 498 | case ALTERNATING_RL: |
| 499 | if (!s->prev) { |
| 500 | s->prev = inpicref; |
| 501 | return 0; |
| 502 | } |
| 503 | ileft = s->prev; |
| 504 | iright = inpicref; |
| 505 | if (s->in.format == ALTERNATING_RL) |
| 506 | FFSWAP(AVFrame *, ileft, iright); |
| 507 | break; |
| 508 | default: |
| 509 | ileft = iright = inpicref; |
| 510 | }; |
| 511 | |
| 512 | out = oleft = oright = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
| 513 | if (!out) { |
| 514 | av_frame_free(&s->prev); |
| 515 | av_frame_free(&inpicref); |
| 516 | return AVERROR(ENOMEM); |
| 517 | } |
| 518 | av_frame_copy_props(out, inpicref); |
| 519 | |
| 520 | if (s->out.format == ALTERNATING_LR || |
| 521 | s->out.format == ALTERNATING_RL) { |
| 522 | oright = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
| 523 | if (!oright) { |
| 524 | av_frame_free(&oleft); |
| 525 | av_frame_free(&s->prev); |
| 526 | av_frame_free(&inpicref); |
| 527 | return AVERROR(ENOMEM); |
| 528 | } |
| 529 | av_frame_copy_props(oright, inpicref); |
| 530 | } |
| 531 | |
| 532 | for (i = 0; i < 4; i++) { |
| 533 | int hsub = i == 1 || i == 2 ? s->hsub : 0; |
| 534 | int vsub = i == 1 || i == 2 ? s->vsub : 0; |
| 535 | in_off_left[i] = (FF_CEIL_RSHIFT(s->in.row_left, vsub) + s->in.off_lstep) * ileft->linesize[i] + FF_CEIL_RSHIFT(s->in.off_left * s->pixstep[i], hsub); |
| 536 | in_off_right[i] = (FF_CEIL_RSHIFT(s->in.row_right, vsub) + s->in.off_rstep) * iright->linesize[i] + FF_CEIL_RSHIFT(s->in.off_right * s->pixstep[i], hsub); |
| 537 | out_off_left[i] = (FF_CEIL_RSHIFT(s->out.row_left, vsub) + s->out.off_lstep) * oleft->linesize[i] + FF_CEIL_RSHIFT(s->out.off_left * s->pixstep[i], hsub); |
| 538 | out_off_right[i] = (FF_CEIL_RSHIFT(s->out.row_right, vsub) + s->out.off_rstep) * oright->linesize[i] + FF_CEIL_RSHIFT(s->out.off_right * s->pixstep[i], hsub); |
| 539 | } |
| 540 | |
| 541 | switch (s->out.format) { |
| 542 | case ALTERNATING_LR: |
| 543 | case ALTERNATING_RL: |
| 544 | case SIDE_BY_SIDE_LR: |
| 545 | case SIDE_BY_SIDE_RL: |
| 546 | case SIDE_BY_SIDE_2_LR: |
| 547 | case SIDE_BY_SIDE_2_RL: |
| 548 | case ABOVE_BELOW_LR: |
| 549 | case ABOVE_BELOW_RL: |
| 550 | case ABOVE_BELOW_2_LR: |
| 551 | case ABOVE_BELOW_2_RL: |
| 552 | case INTERLEAVE_ROWS_LR: |
| 553 | case INTERLEAVE_ROWS_RL: |
| 554 | for (i = 0; i < s->nb_planes; i++) { |
| 555 | av_image_copy_plane(oleft->data[i] + out_off_left[i], |
| 556 | oleft->linesize[i] * s->row_step, |
| 557 | ileft->data[i] + in_off_left[i], |
| 558 | ileft->linesize[i] * s->row_step, |
| 559 | s->linesize[i], s->pheight[i]); |
| 560 | av_image_copy_plane(oright->data[i] + out_off_right[i], |
| 561 | oright->linesize[i] * s->row_step, |
| 562 | iright->data[i] + in_off_right[i], |
| 563 | iright->linesize[i] * s->row_step, |
| 564 | s->linesize[i], s->pheight[i]); |
| 565 | } |
| 566 | break; |
| 567 | case MONO_L: |
| 568 | iright = ileft; |
| 569 | case MONO_R: |
| 570 | for (i = 0; i < s->nb_planes; i++) { |
| 571 | av_image_copy_plane(out->data[i], out->linesize[i], |
| 572 | iright->data[i] + in_off_left[i], |
| 573 | iright->linesize[i], |
| 574 | s->linesize[i], s->pheight[i]); |
| 575 | } |
| 576 | break; |
| 577 | case ANAGLYPH_RB_GRAY: |
| 578 | case ANAGLYPH_RG_GRAY: |
| 579 | case ANAGLYPH_RC_GRAY: |
| 580 | case ANAGLYPH_RC_HALF: |
| 581 | case ANAGLYPH_RC_COLOR: |
| 582 | case ANAGLYPH_RC_DUBOIS: |
| 583 | case ANAGLYPH_GM_GRAY: |
| 584 | case ANAGLYPH_GM_HALF: |
| 585 | case ANAGLYPH_GM_COLOR: |
| 586 | case ANAGLYPH_GM_DUBOIS: |
| 587 | case ANAGLYPH_YB_GRAY: |
| 588 | case ANAGLYPH_YB_HALF: |
| 589 | case ANAGLYPH_YB_COLOR: |
| 590 | case ANAGLYPH_YB_DUBOIS: { |
| 591 | int x, y, il, ir, o; |
| 592 | const uint8_t *lsrc = ileft->data[0]; |
| 593 | const uint8_t *rsrc = iright->data[0]; |
| 594 | uint8_t *dst = out->data[0]; |
| 595 | int out_width = s->out.width; |
| 596 | const int **ana_matrix = s->ana_matrix; |
| 597 | |
| 598 | for (y = 0; y < s->out.height; y++) { |
| 599 | o = out->linesize[0] * y; |
| 600 | il = in_off_left[0] + y * ileft->linesize[0]; |
| 601 | ir = in_off_right[0] + y * iright->linesize[0]; |
| 602 | for (x = 0; x < out_width; x++, il += 3, ir += 3, o+= 3) { |
| 603 | dst[o ] = ana_convert(ana_matrix[0], lsrc + il, rsrc + ir); |
| 604 | dst[o + 1] = ana_convert(ana_matrix[1], lsrc + il, rsrc + ir); |
| 605 | dst[o + 2] = ana_convert(ana_matrix[2], lsrc + il, rsrc + ir); |
| 606 | } |
| 607 | } |
| 608 | break; |
| 609 | } |
| 610 | default: |
| 611 | av_assert0(0); |
| 612 | } |
| 613 | |
| 614 | av_frame_free(&inpicref); |
| 615 | av_frame_free(&s->prev); |
| 616 | if (oright != oleft) { |
| 617 | if (s->out.format == ALTERNATING_LR) |
| 618 | FFSWAP(AVFrame *, oleft, oright); |
| 619 | oright->pts = outlink->frame_count * s->ts_unit; |
| 620 | ff_filter_frame(outlink, oright); |
| 621 | out = oleft; |
| 622 | oleft->pts = outlink->frame_count * s->ts_unit; |
| 623 | } else if (s->in.format == ALTERNATING_LR || |
| 624 | s->in.format == ALTERNATING_RL) { |
| 625 | out->pts = outlink->frame_count * s->ts_unit; |
| 626 | } |
| 627 | return ff_filter_frame(outlink, out); |
| 628 | } |
| 629 | |
| 630 | static av_cold void uninit(AVFilterContext *ctx) |
| 631 | { |
| 632 | Stereo3DContext *s = ctx->priv; |
| 633 | |
| 634 | av_frame_free(&s->prev); |
| 635 | } |
| 636 | |
| 637 | static const AVFilterPad stereo3d_inputs[] = { |
| 638 | { |
| 639 | .name = "default", |
| 640 | .type = AVMEDIA_TYPE_VIDEO, |
| 641 | .filter_frame = filter_frame, |
| 642 | }, |
| 643 | { NULL } |
| 644 | }; |
| 645 | |
| 646 | static const AVFilterPad stereo3d_outputs[] = { |
| 647 | { |
| 648 | .name = "default", |
| 649 | .type = AVMEDIA_TYPE_VIDEO, |
| 650 | .config_props = config_output, |
| 651 | }, |
| 652 | { NULL } |
| 653 | }; |
| 654 | |
| 655 | AVFilter ff_vf_stereo3d = { |
| 656 | .name = "stereo3d", |
| 657 | .description = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."), |
| 658 | .priv_size = sizeof(Stereo3DContext), |
| 659 | .uninit = uninit, |
| 660 | .query_formats = query_formats, |
| 661 | .inputs = stereo3d_inputs, |
| 662 | .outputs = stereo3d_outputs, |
| 663 | .priv_class = &stereo3d_class, |
| 664 | }; |