Mercurial > hg > pmhd
diff ffmpeg/libavfilter/vf_stereo3d.c @ 10:6840f77b83aa
commit
| author | Yading Song <yading.song@eecs.qmul.ac.uk> |
|---|---|
| date | Sun, 21 Apr 2013 10:55:35 +0200 |
| parents | |
| children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ffmpeg/libavfilter/vf_stereo3d.c Sun Apr 21 10:55:35 2013 +0200 @@ -0,0 +1,546 @@ +/* + * Copyright (c) 2010 Gordon Schmidt <gordon.schmidt <at> s2000.tu-chemnitz.de> + * Copyright (c) 2013 Paul B Mahol + * + * This file is part of FFmpeg. + * + * FFmpeg is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * FFmpeg is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "libavutil/avassert.h" +#include "libavutil/imgutils.h" +#include "libavutil/opt.h" +#include "libavutil/parseutils.h" +#include "libavutil/pixdesc.h" +#include "avfilter.h" +#include "formats.h" +#include "internal.h" +#include "video.h" + +enum StereoCode { + ANAGLYPH_RC_GRAY, // anaglyph red/cyan gray + ANAGLYPH_RC_HALF, // anaglyph red/cyan half colored + ANAGLYPH_RC_COLOR, // anaglyph red/cyan colored + ANAGLYPH_RC_DUBOIS, // anaglyph red/cyan dubois + ANAGLYPH_GM_GRAY, // anaglyph green/magenta gray + ANAGLYPH_GM_HALF, // anaglyph green/magenta half colored + ANAGLYPH_GM_COLOR, // anaglyph green/magenta colored + ANAGLYPH_GM_DUBOIS, // anaglyph green/magenta dubois + ANAGLYPH_YB_GRAY, // anaglyph yellow/blue gray + ANAGLYPH_YB_HALF, // anaglyph yellow/blue half colored + ANAGLYPH_YB_COLOR, // anaglyph yellow/blue colored + ANAGLYPH_YB_DUBOIS, // anaglyph yellow/blue dubois + ANAGLYPH_RB_GRAY, // anaglyph red/blue gray + ANAGLYPH_RG_GRAY, // anaglyph red/green gray + MONO_L, // mono output for debugging (left eye only) + MONO_R, // mono output for debugging (right eye only) + INTERLEAVE_ROWS_LR, // row-interleave (left eye has top row) + INTERLEAVE_ROWS_RL, // row-interleave (right eye has top row) + SIDE_BY_SIDE_LR, // side by side parallel (left eye left, right eye right) + SIDE_BY_SIDE_RL, // side by side crosseye (right eye left, left eye right) + SIDE_BY_SIDE_2_LR, // side by side parallel with half width resolution + SIDE_BY_SIDE_2_RL, // side by side crosseye with half width resolution + ABOVE_BELOW_LR, // above-below (left eye above, right eye below) + ABOVE_BELOW_RL, // above-below (right eye above, left eye below) + ABOVE_BELOW_2_LR, // above-below with half height resolution + ABOVE_BELOW_2_RL, // above-below with half height resolution + STEREO_CODE_COUNT // TODO: needs autodetection +}; + +typedef struct StereoComponent { + enum StereoCode format; + int width, height; + int off_left, off_right; + int off_lstep, off_rstep; + int row_left, row_right; +} StereoComponent; + +static const int ana_coeff[][3][6] = { + [ANAGLYPH_RB_GRAY] = + {{19595, 38470, 7471, 0, 0, 0}, + { 0, 0, 0, 0, 0, 0}, + { 0, 0, 0, 19595, 38470, 7471}}, + [ANAGLYPH_RG_GRAY] = + {{19595, 38470, 7471, 0, 0, 0}, + { 0, 0, 0, 19595, 38470, 7471}, + { 0, 0, 0, 0, 0, 0}}, + [ANAGLYPH_RC_GRAY] = + {{19595, 38470, 7471, 0, 0, 0}, + { 0, 0, 0, 19595, 38470, 7471}, + { 0, 0, 0, 19595, 38470, 7471}}, + [ANAGLYPH_RC_HALF] = + {{19595, 38470, 7471, 0, 0, 0}, + { 0, 0, 0, 0, 65536, 0}, + { 0, 0, 0, 0, 0, 65536}}, + [ANAGLYPH_RC_COLOR] = + {{65536, 0, 0, 0, 0, 0}, + { 0, 0, 0, 0, 65536, 0}, + { 0, 0, 0, 0, 0, 65536}}, + [ANAGLYPH_RC_DUBOIS] = + {{29891, 32800, 11559, -2849, -5763, -102}, + {-2627, -2479, -1033, 24804, 48080, -1209}, + { -997, -1350, -358, -4729, -7403, 80373}}, + [ANAGLYPH_GM_GRAY] = + {{ 0, 0, 0, 19595, 38470, 7471}, + {19595, 38470, 7471, 0, 0, 0}, + { 0, 0, 0, 19595, 38470, 7471}}, + [ANAGLYPH_GM_HALF] = + {{ 0, 0, 0, 65536, 0, 0}, + {19595, 38470, 7471, 0, 0, 0}, + { 0, 0, 0, 0, 0, 65536}}, + [ANAGLYPH_GM_COLOR] = + {{ 0, 0, 0, 65536, 0, 0}, + { 0, 65536, 0, 0, 0, 0}, + { 0, 0, 0, 0, 0, 65536}}, + [ANAGLYPH_GM_DUBOIS] = + {{-4063,-10354, -2556, 34669, 46203, 1573}, + {18612, 43778, 9372, -1049, -983, -4260}, + { -983, -1769, 1376, 590, 4915, 61407}}, + [ANAGLYPH_YB_GRAY] = + {{ 0, 0, 0, 19595, 38470, 7471}, + { 0, 0, 0, 19595, 38470, 7471}, + {19595, 38470, 7471, 0, 0, 0}}, + [ANAGLYPH_YB_HALF] = + {{ 0, 0, 0, 65536, 0, 0}, + { 0, 0, 0, 0, 65536, 0}, + {19595, 38470, 7471, 0, 0, 0}}, + [ANAGLYPH_YB_COLOR] = + {{ 0, 0, 0, 65536, 0, 0}, + { 0, 0, 0, 0, 65536, 0}, + { 0, 0, 65536, 0, 0, 0}}, + [ANAGLYPH_YB_DUBOIS] = + {{65535,-12650,18451, -987, -7590, -1049}, + {-1604, 56032, 4196, 370, 3826, -1049}, + {-2345,-10676, 1358, 5801, 11416, 56217}}, +}; + +typedef struct Stereo3DContext { + const AVClass *class; + StereoComponent in, out; + int width, height; + int row_step; + int ana_matrix[3][6]; + int nb_planes; + int linesize[4]; + int pixstep[4]; +} Stereo3DContext; + +#define OFFSET(x) offsetof(Stereo3DContext, x) +#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM + +static const AVOption stereo3d_options[] = { + { "in", "set input format", OFFSET(in.format), AV_OPT_TYPE_INT, {.i64=SIDE_BY_SIDE_LR}, SIDE_BY_SIDE_LR, ABOVE_BELOW_2_RL, FLAGS, "in"}, + { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "in" }, + { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "in" }, + { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "in" }, + { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "in" }, + { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "in" }, + { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "in" }, + { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "in" }, + { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "in" }, + { "out", "set output format", OFFSET(out.format), AV_OPT_TYPE_INT, {.i64=ANAGLYPH_RC_DUBOIS}, 0, STEREO_CODE_COUNT-1, FLAGS, "out"}, + { "ab2l", "above below half height left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_LR}, 0, 0, FLAGS, "out" }, + { "ab2r", "above below half height right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_2_RL}, 0, 0, FLAGS, "out" }, + { "abl", "above below left first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_LR}, 0, 0, FLAGS, "out" }, + { "abr", "above below right first", 0, AV_OPT_TYPE_CONST, {.i64=ABOVE_BELOW_RL}, 0, 0, FLAGS, "out" }, + { "agmc", "anaglyph green magenta color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_COLOR}, 0, 0, FLAGS, "out" }, + { "agmd", "anaglyph green magenta dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_DUBOIS}, 0, 0, FLAGS, "out" }, + { "agmg", "anaglyph green magenta gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_GRAY}, 0, 0, FLAGS, "out" }, + { "agmh", "anaglyph green magenta half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_GM_HALF}, 0, 0, FLAGS, "out" }, + { "arbg", "anaglyph red blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RB_GRAY}, 0, 0, FLAGS, "out" }, + { "arcc", "anaglyph red cyan color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_COLOR}, 0, 0, FLAGS, "out" }, + { "arcd", "anaglyph red cyan dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_DUBOIS}, 0, 0, FLAGS, "out" }, + { "arcg", "anaglyph red cyan gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_GRAY}, 0, 0, FLAGS, "out" }, + { "arch", "anaglyph red cyan half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RC_HALF}, 0, 0, FLAGS, "out" }, + { "argg", "anaglyph red green gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_RG_GRAY}, 0, 0, FLAGS, "out" }, + { "aybc", "anaglyph yellow blue color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_COLOR}, 0, 0, FLAGS, "out" }, + { "aybd", "anaglyph yellow blue dubois", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_DUBOIS}, 0, 0, FLAGS, "out" }, + { "aybg", "anaglyph yellow blue gray", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_GRAY}, 0, 0, FLAGS, "out" }, + { "aybh", "anaglyph yellow blue half color", 0, AV_OPT_TYPE_CONST, {.i64=ANAGLYPH_YB_HALF}, 0, 0, FLAGS, "out" }, + { "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, "out" }, + { "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_RL}, 0, 0, FLAGS, "out" }, + { "ml", "mono left", 0, AV_OPT_TYPE_CONST, {.i64=MONO_L}, 0, 0, FLAGS, "out" }, + { "mr", "mono right", 0, AV_OPT_TYPE_CONST, {.i64=MONO_R}, 0, 0, FLAGS, "out" }, + { "sbs2l", "side by side half width left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_LR}, 0, 0, FLAGS, "out" }, + { "sbs2r", "side by side half width right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_2_RL}, 0, 0, FLAGS, "out" }, + { "sbsl", "side by side left first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_LR}, 0, 0, FLAGS, "out" }, + { "sbsr", "side by side right first", 0, AV_OPT_TYPE_CONST, {.i64=SIDE_BY_SIDE_RL}, 0, 0, FLAGS, "out" }, + {NULL}, +}; + +AVFILTER_DEFINE_CLASS(stereo3d); + +static const enum AVPixelFormat anaglyph_pix_fmts[] = { AV_PIX_FMT_RGB24, AV_PIX_FMT_NONE }; +static const enum AVPixelFormat other_pix_fmts[] = { + AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24, + AV_PIX_FMT_RGB48BE, AV_PIX_FMT_BGR48BE, + AV_PIX_FMT_RGB48LE, AV_PIX_FMT_BGR48LE, + AV_PIX_FMT_RGBA64BE, AV_PIX_FMT_BGRA64BE, + AV_PIX_FMT_RGBA64LE, AV_PIX_FMT_BGRA64LE, + AV_PIX_FMT_RGBA, AV_PIX_FMT_BGRA, + AV_PIX_FMT_ARGB, AV_PIX_FMT_ABGR, + AV_PIX_FMT_RGB0, AV_PIX_FMT_BGR0, + AV_PIX_FMT_0RGB, AV_PIX_FMT_0BGR, + AV_PIX_FMT_GBRP, + AV_PIX_FMT_GBRP9BE, AV_PIX_FMT_GBRP9LE, + AV_PIX_FMT_GBRP10BE, AV_PIX_FMT_GBRP10LE, + AV_PIX_FMT_GBRP12BE, AV_PIX_FMT_GBRP12LE, + AV_PIX_FMT_GBRP14BE, AV_PIX_FMT_GBRP14LE, + AV_PIX_FMT_GBRP16BE, AV_PIX_FMT_GBRP16LE, + AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA444P, + AV_PIX_FMT_YUVJ444P, + AV_PIX_FMT_YUV444P9LE, AV_PIX_FMT_YUVA444P9LE, + AV_PIX_FMT_YUV444P9BE, AV_PIX_FMT_YUVA444P9BE, + AV_PIX_FMT_YUV444P10LE, AV_PIX_FMT_YUVA444P10LE, + AV_PIX_FMT_YUV444P10BE, AV_PIX_FMT_YUVA444P10BE, + AV_PIX_FMT_YUV444P12BE, AV_PIX_FMT_YUV444P12LE, + AV_PIX_FMT_YUV444P14BE, AV_PIX_FMT_YUV444P14LE, + AV_PIX_FMT_YUV444P16LE, AV_PIX_FMT_YUVA444P16LE, + AV_PIX_FMT_YUV444P16BE, AV_PIX_FMT_YUVA444P16BE, + AV_PIX_FMT_NONE +}; + +static int query_formats(AVFilterContext *ctx) +{ + Stereo3DContext *s = ctx->priv; + const enum AVPixelFormat *pix_fmts; + + switch (s->out.format) { + case ANAGLYPH_GM_COLOR: + case ANAGLYPH_GM_DUBOIS: + case ANAGLYPH_GM_GRAY: + case ANAGLYPH_GM_HALF: + case ANAGLYPH_RB_GRAY: + case ANAGLYPH_RC_COLOR: + case ANAGLYPH_RC_DUBOIS: + case ANAGLYPH_RC_GRAY: + case ANAGLYPH_RC_HALF: + case ANAGLYPH_RG_GRAY: + case ANAGLYPH_YB_COLOR: + case ANAGLYPH_YB_DUBOIS: + case ANAGLYPH_YB_GRAY: + case ANAGLYPH_YB_HALF: + pix_fmts = anaglyph_pix_fmts; + break; + default: + pix_fmts = other_pix_fmts; + } + + ff_set_common_formats(ctx, ff_make_format_list(pix_fmts)); + + return 0; +} + +static int config_output(AVFilterLink *outlink) +{ + AVFilterContext *ctx = outlink->src; + AVFilterLink *inlink = ctx->inputs[0]; + Stereo3DContext *s = ctx->priv; + AVRational aspect = inlink->sample_aspect_ratio; + const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(outlink->format); + int ret; + + switch (s->in.format) { + case SIDE_BY_SIDE_2_LR: + case SIDE_BY_SIDE_LR: + case SIDE_BY_SIDE_2_RL: + case SIDE_BY_SIDE_RL: + if (inlink->w & 1) { + av_log(ctx, AV_LOG_ERROR, "width must be even\n"); + return AVERROR_INVALIDDATA; + } + break; + case ABOVE_BELOW_2_LR: + case ABOVE_BELOW_LR: + case ABOVE_BELOW_2_RL: + case ABOVE_BELOW_RL: + if (s->out.format == INTERLEAVE_ROWS_LR || + s->out.format == INTERLEAVE_ROWS_RL) { + if (inlink->h & 3) { + av_log(ctx, AV_LOG_ERROR, "height must be multiple of 4\n"); + return AVERROR_INVALIDDATA; + } + } + if (inlink->h & 1) { + av_log(ctx, AV_LOG_ERROR, "height must be even\n"); + return AVERROR_INVALIDDATA; + } + break; + } + + s->in.width = + s->width = inlink->w; + s->in.height = + s->height = inlink->h; + s->row_step = 1; + s->in.off_lstep = + s->in.off_rstep = + s->in.off_left = + s->in.off_right = + s->in.row_left = + s->in.row_right = 0; + + switch (s->in.format) { + case SIDE_BY_SIDE_2_LR: + aspect.num *= 2; + case SIDE_BY_SIDE_LR: + s->width = inlink->w / 2; + s->in.off_right = s->width; + break; + case SIDE_BY_SIDE_2_RL: + aspect.num *= 2; + case SIDE_BY_SIDE_RL: + s->width = inlink->w / 2; + s->in.off_left = s->width; + break; + case ABOVE_BELOW_2_LR: + aspect.den *= 2; + case ABOVE_BELOW_LR: + s->in.row_right = + s->height = inlink->h / 2; + break; + case ABOVE_BELOW_2_RL: + aspect.den *= 2; + case ABOVE_BELOW_RL: + s->in.row_left = + s->height = inlink->h / 2; + break; + default: + av_log(ctx, AV_LOG_ERROR, "input format %d is not supported\n", s->in.format); + return AVERROR(EINVAL); + } + + s->out.width = s->width; + s->out.height = s->height; + s->out.off_lstep = + s->out.off_rstep = + s->out.off_left = + s->out.off_right = + s->out.row_left = + s->out.row_right = 0; + + switch (s->out.format) { + case ANAGLYPH_RB_GRAY: + case ANAGLYPH_RG_GRAY: + case ANAGLYPH_RC_GRAY: + case ANAGLYPH_RC_HALF: + case ANAGLYPH_RC_COLOR: + case ANAGLYPH_RC_DUBOIS: + case ANAGLYPH_GM_GRAY: + case ANAGLYPH_GM_HALF: + case ANAGLYPH_GM_COLOR: + case ANAGLYPH_GM_DUBOIS: + case ANAGLYPH_YB_GRAY: + case ANAGLYPH_YB_HALF: + case ANAGLYPH_YB_COLOR: + case ANAGLYPH_YB_DUBOIS: + memcpy(s->ana_matrix, ana_coeff[s->out.format], sizeof(s->ana_matrix)); + break; + case SIDE_BY_SIDE_2_LR: + aspect.num /= 2; + case SIDE_BY_SIDE_LR: + s->out.width = s->width * 2; + s->out.off_right = s->width; + break; + case SIDE_BY_SIDE_2_RL: + aspect.num /= 2; + case SIDE_BY_SIDE_RL: + s->out.width = s->width * 2; + s->out.off_left = s->width; + break; + case ABOVE_BELOW_2_LR: + aspect.den /= 2; + case ABOVE_BELOW_LR: + s->out.height = s->height * 2; + s->out.row_right = s->height; + break; + case ABOVE_BELOW_2_RL: + aspect.den /= 2; + case ABOVE_BELOW_RL: + s->out.height = s->height * 2; + s->out.row_left = s->height; + break; + case INTERLEAVE_ROWS_LR: + s->row_step = 2; + s->height = s->height / 2; + s->out.off_rstep = + s->in.off_rstep = 1; + break; + case INTERLEAVE_ROWS_RL: + s->row_step = 2; + s->height = s->height / 2; + s->out.off_lstep = + s->in.off_lstep = 1; + break; + case MONO_R: + s->in.off_left = s->in.off_right; + s->in.row_left = s->in.row_right; + case MONO_L: + break; + default: + av_log(ctx, AV_LOG_ERROR, "output format is not supported\n"); + return AVERROR(EINVAL); + } + + outlink->w = s->out.width; + outlink->h = s->out.height; + outlink->sample_aspect_ratio = aspect; + + if ((ret = av_image_fill_linesizes(s->linesize, outlink->format, s->width)) < 0) + return ret; + s->nb_planes = av_pix_fmt_count_planes(outlink->format); + av_image_fill_max_pixsteps(s->pixstep, NULL, desc); + + return 0; +} + +static inline uint8_t ana_convert(const int *coeff, uint8_t *left, uint8_t *right) +{ + int sum; + + sum = coeff[0] * left[0] + coeff[3] * right[0]; //red in + sum += coeff[1] * left[1] + coeff[4] * right[1]; //green in + sum += coeff[2] * left[2] + coeff[5] * right[2]; //blue in + + return av_clip_uint8(sum >> 16); +} + +static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref) +{ + AVFilterContext *ctx = inlink->dst; + Stereo3DContext *s = ctx->priv; + AVFilterLink *outlink = ctx->outputs[0]; + AVFrame *out; + int out_off_left[4], out_off_right[4]; + int in_off_left[4], in_off_right[4]; + int i; + + out = ff_get_video_buffer(outlink, outlink->w, outlink->h); + if (!out) { + av_frame_free(&inpicref); + return AVERROR(ENOMEM); + } + av_frame_copy_props(out, inpicref); + + for (i = 0; i < 4; i++) { + in_off_left[i] = (s->in.row_left + s->in.off_lstep) * inpicref->linesize[i] + s->in.off_left * s->pixstep[i]; + in_off_right[i] = (s->in.row_right + s->in.off_rstep) * inpicref->linesize[i] + s->in.off_right * s->pixstep[i]; + out_off_left[i] = (s->out.row_left + s->out.off_lstep) * out->linesize[i] + s->out.off_left * s->pixstep[i]; + out_off_right[i] = (s->out.row_right + s->out.off_rstep) * out->linesize[i] + s->out.off_right * s->pixstep[i]; + } + + switch (s->out.format) { + case SIDE_BY_SIDE_LR: + case SIDE_BY_SIDE_RL: + case SIDE_BY_SIDE_2_LR: + case SIDE_BY_SIDE_2_RL: + case ABOVE_BELOW_LR: + case ABOVE_BELOW_RL: + case ABOVE_BELOW_2_LR: + case ABOVE_BELOW_2_RL: + case INTERLEAVE_ROWS_LR: + case INTERLEAVE_ROWS_RL: + for (i = 0; i < s->nb_planes; i++) { + av_image_copy_plane(out->data[i] + out_off_left[i], + out->linesize[i] * s->row_step, + inpicref->data[i] + in_off_left[i], + inpicref->linesize[i] * s->row_step, + s->linesize[i], s->height); + av_image_copy_plane(out->data[i] + out_off_right[i], + out->linesize[i] * s->row_step, + inpicref->data[i] + in_off_right[i], + inpicref->linesize[i] * s->row_step, + s->linesize[i], s->height); + } + break; + case MONO_L: + case MONO_R: + for (i = 0; i < s->nb_planes; i++) { + av_image_copy_plane(out->data[i], out->linesize[i], + inpicref->data[i] + in_off_left[i], + inpicref->linesize[i], + s->linesize[i], s->height); + } + break; + case ANAGLYPH_RB_GRAY: + case ANAGLYPH_RG_GRAY: + case ANAGLYPH_RC_GRAY: + case ANAGLYPH_RC_HALF: + case ANAGLYPH_RC_COLOR: + case ANAGLYPH_RC_DUBOIS: + case ANAGLYPH_GM_GRAY: + case ANAGLYPH_GM_HALF: + case ANAGLYPH_GM_COLOR: + case ANAGLYPH_GM_DUBOIS: + case ANAGLYPH_YB_GRAY: + case ANAGLYPH_YB_HALF: + case ANAGLYPH_YB_COLOR: + case ANAGLYPH_YB_DUBOIS: { + int i, x, y, il, ir, o; + uint8_t *src = inpicref->data[0]; + uint8_t *dst = out->data[0]; + int out_width = s->out.width; + int *ana_matrix[3]; + + for (i = 0; i < 3; i++) + ana_matrix[i] = s->ana_matrix[i]; + + for (y = 0; y < s->out.height; y++) { + o = out->linesize[0] * y; + il = in_off_left[0] + y * inpicref->linesize[0]; + ir = in_off_right[0] + y * inpicref->linesize[0]; + for (x = 0; x < out_width; x++, il += 3, ir += 3, o+= 3) { + dst[o ] = ana_convert(ana_matrix[0], src + il, src + ir); + dst[o + 1] = ana_convert(ana_matrix[1], src + il, src + ir); + dst[o + 2] = ana_convert(ana_matrix[2], src + il, src + ir); + } + } + break; + } + default: + av_assert0(0); + } + + av_frame_free(&inpicref); + return ff_filter_frame(outlink, out); +} + +static const AVFilterPad stereo3d_inputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .filter_frame = filter_frame, + }, + { NULL } +}; + +static const AVFilterPad stereo3d_outputs[] = { + { + .name = "default", + .type = AVMEDIA_TYPE_VIDEO, + .config_props = config_output, + }, + { NULL } +}; + +AVFilter avfilter_vf_stereo3d = { + .name = "stereo3d", + .description = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."), + .priv_size = sizeof(Stereo3DContext), + .query_formats = query_formats, + .inputs = stereo3d_inputs, + .outputs = stereo3d_outputs, + .priv_class = &stereo3d_class, +};