mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
876 lines
36 KiB
C
876 lines
36 KiB
C
/*
|
|
* Copyright (c) 2010 Gordon Schmidt <gordon.schmidt <at> s2000.tu-chemnitz.de>
|
|
* Copyright (c) 2013-2015 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/intreadwrite.h"
|
|
#include "libavutil/opt.h"
|
|
#include "libavutil/parseutils.h"
|
|
#include "libavutil/pixdesc.h"
|
|
#include "avfilter.h"
|
|
#include "drawutils.h"
|
|
#include "formats.h"
|
|
#include "internal.h"
|
|
#include "video.h"
|
|
#include "stereo3d.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
|
|
ALTERNATING_LR, // alternating frames (left eye first, right eye second)
|
|
ALTERNATING_RL, // alternating frames (right eye first, left eye second)
|
|
CHECKERBOARD_LR, // checkerboard pattern (left eye first, right eye second)
|
|
CHECKERBOARD_RL, // checkerboard pattern (right eye first, left eye second)
|
|
INTERLEAVE_COLS_LR, // column-interleave (left eye first, right eye second)
|
|
INTERLEAVE_COLS_RL, // column-interleave (right eye first, left eye second)
|
|
HDMI, // HDMI frame pack (left eye first, right eye second)
|
|
STEREO_CODE_COUNT // TODO: needs autodetection
|
|
};
|
|
|
|
typedef struct StereoComponent {
|
|
int format; ///< StereoCode
|
|
int width, height;
|
|
int off_left, off_right;
|
|
int off_lstep, off_rstep;
|
|
int row_left, row_right;
|
|
int row_step;
|
|
} 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;
|
|
const int *ana_matrix[3];
|
|
int nb_planes;
|
|
int linesize[4];
|
|
int pheight[4];
|
|
int hsub, vsub;
|
|
int pixstep[4];
|
|
AVFrame *prev;
|
|
double ts_unit;
|
|
int blanks;
|
|
int in_off_left[4], in_off_right[4];
|
|
Stereo3DDSPContext dsp;
|
|
} 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}, INTERLEAVE_ROWS_LR, STEREO_CODE_COUNT-1, 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" },
|
|
{ "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "in" },
|
|
{ "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_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" },
|
|
{ "irl", "interleave rows left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_LR}, 0, 0, FLAGS, "in" },
|
|
{ "irr", "interleave rows right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_ROWS_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" },
|
|
{ "al", "alternating frames left first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_LR}, 0, 0, FLAGS, "out" },
|
|
{ "ar", "alternating frames right first", 0, AV_OPT_TYPE_CONST, {.i64=ALTERNATING_RL}, 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" },
|
|
{ "chl", "checkerboard left first", 0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_LR}, 0, 0, FLAGS, "out" },
|
|
{ "chr", "checkerboard right first", 0, AV_OPT_TYPE_CONST, {.i64=CHECKERBOARD_RL}, 0, 0, FLAGS, "out" },
|
|
{ "icl", "interleave columns left first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_LR}, 0, 0, FLAGS, "out" },
|
|
{ "icr", "interleave columns right first", 0, AV_OPT_TYPE_CONST, {.i64=INTERLEAVE_COLS_RL}, 0, 0, FLAGS, "out" },
|
|
{ "hdmi", "HDMI frame pack", 0, AV_OPT_TYPE_CONST, {.i64=HDMI}, 0, 0, FLAGS, "out" },
|
|
{ NULL }
|
|
};
|
|
|
|
AVFILTER_DEFINE_CLASS(stereo3d);
|
|
|
|
static const enum AVPixelFormat anaglyph_pix_fmts[] = {
|
|
AV_PIX_FMT_RGB24, AV_PIX_FMT_BGR24,
|
|
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_YUV410P,
|
|
AV_PIX_FMT_YUV411P,
|
|
AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUVA420P,
|
|
AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUVA422P,
|
|
AV_PIX_FMT_YUV440P,
|
|
AV_PIX_FMT_YUV444P, AV_PIX_FMT_YUVA444P,
|
|
AV_PIX_FMT_YUVJ411P,
|
|
AV_PIX_FMT_YUVJ420P,
|
|
AV_PIX_FMT_YUVJ422P,
|
|
AV_PIX_FMT_YUVJ440P,
|
|
AV_PIX_FMT_YUVJ444P,
|
|
AV_PIX_FMT_YUV420P9LE, AV_PIX_FMT_YUVA420P9LE,
|
|
AV_PIX_FMT_YUV420P9BE, AV_PIX_FMT_YUVA420P9BE,
|
|
AV_PIX_FMT_YUV422P9LE, AV_PIX_FMT_YUVA422P9LE,
|
|
AV_PIX_FMT_YUV422P9BE, AV_PIX_FMT_YUVA422P9BE,
|
|
AV_PIX_FMT_YUV444P9LE, AV_PIX_FMT_YUVA444P9LE,
|
|
AV_PIX_FMT_YUV444P9BE, AV_PIX_FMT_YUVA444P9BE,
|
|
AV_PIX_FMT_YUV420P10LE, AV_PIX_FMT_YUVA420P10LE,
|
|
AV_PIX_FMT_YUV420P10BE, AV_PIX_FMT_YUVA420P10BE,
|
|
AV_PIX_FMT_YUV422P10LE, AV_PIX_FMT_YUVA422P10LE,
|
|
AV_PIX_FMT_YUV422P10BE, AV_PIX_FMT_YUVA422P10BE,
|
|
AV_PIX_FMT_YUV444P10LE, AV_PIX_FMT_YUVA444P10LE,
|
|
AV_PIX_FMT_YUV444P10BE, AV_PIX_FMT_YUVA444P10BE,
|
|
AV_PIX_FMT_YUV420P12BE, AV_PIX_FMT_YUV420P12LE,
|
|
AV_PIX_FMT_YUV422P12BE, AV_PIX_FMT_YUV422P12LE,
|
|
AV_PIX_FMT_YUV444P12BE, AV_PIX_FMT_YUV444P12LE,
|
|
AV_PIX_FMT_YUV420P14BE, AV_PIX_FMT_YUV420P14LE,
|
|
AV_PIX_FMT_YUV422P14BE, AV_PIX_FMT_YUV422P14LE,
|
|
AV_PIX_FMT_YUV444P14BE, AV_PIX_FMT_YUV444P14LE,
|
|
AV_PIX_FMT_YUV420P16LE, AV_PIX_FMT_YUVA420P16LE,
|
|
AV_PIX_FMT_YUV420P16BE, AV_PIX_FMT_YUVA420P16BE,
|
|
AV_PIX_FMT_YUV422P16LE, AV_PIX_FMT_YUVA422P16LE,
|
|
AV_PIX_FMT_YUV422P16BE, AV_PIX_FMT_YUVA422P16BE,
|
|
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;
|
|
AVFilterFormats *fmts_list;
|
|
|
|
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;
|
|
}
|
|
|
|
fmts_list = ff_make_format_list(pix_fmts);
|
|
if (!fmts_list)
|
|
return AVERROR(ENOMEM);
|
|
return ff_set_common_formats(ctx, fmts_list);
|
|
}
|
|
|
|
static inline uint8_t ana_convert(const int *coeff, const uint8_t *left, const 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 void 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)
|
|
{
|
|
int x, y, o;
|
|
|
|
for (y = 0; y < height; y++) {
|
|
for (o = 0, x = 0; x < width; x++, o+= 3) {
|
|
dst[o ] = ana_convert(ana_matrix_r, lsrc + o, rsrc + o);
|
|
dst[o + 1] = ana_convert(ana_matrix_g, lsrc + o, rsrc + o);
|
|
dst[o + 2] = ana_convert(ana_matrix_b, lsrc + o, rsrc + o);
|
|
}
|
|
|
|
dst += dst_linesize;
|
|
lsrc += l_linesize;
|
|
rsrc += r_linesize;
|
|
}
|
|
}
|
|
|
|
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;
|
|
AVRational fps = inlink->frame_rate;
|
|
AVRational tb = inlink->time_base;
|
|
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 INTERLEAVE_ROWS_LR:
|
|
case INTERLEAVE_ROWS_RL:
|
|
case ABOVE_BELOW_2_LR:
|
|
case ABOVE_BELOW_LR:
|
|
case ABOVE_BELOW_2_RL:
|
|
case ABOVE_BELOW_RL:
|
|
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->in.off_lstep =
|
|
s->in.off_rstep =
|
|
s->in.off_left =
|
|
s->in.off_right =
|
|
s->in.row_left =
|
|
s->in.row_right = 0;
|
|
s->in.row_step = 1;
|
|
|
|
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;
|
|
case ALTERNATING_RL:
|
|
case ALTERNATING_LR:
|
|
fps.den *= 2;
|
|
tb.num *= 2;
|
|
break;
|
|
case INTERLEAVE_ROWS_LR:
|
|
case INTERLEAVE_ROWS_RL:
|
|
s->in.row_step = 2;
|
|
if (s->in.format == INTERLEAVE_ROWS_RL)
|
|
s->in.off_lstep = 1;
|
|
else
|
|
s->in.off_rstep = 1;
|
|
if (s->out.format != CHECKERBOARD_LR &&
|
|
s->out.format != CHECKERBOARD_RL)
|
|
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;
|
|
s->out.row_step = 1;
|
|
|
|
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: {
|
|
uint8_t rgba_map[4];
|
|
|
|
ff_fill_rgba_map(rgba_map, outlink->format);
|
|
s->ana_matrix[rgba_map[0]] = &ana_coeff[s->out.format][0][0];
|
|
s->ana_matrix[rgba_map[1]] = &ana_coeff[s->out.format][1][0];
|
|
s->ana_matrix[rgba_map[2]] = &ana_coeff[s->out.format][2][0];
|
|
break;
|
|
}
|
|
case SIDE_BY_SIDE_2_LR:
|
|
aspect.den *= 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.den *= 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.num *= 2;
|
|
case ABOVE_BELOW_LR:
|
|
s->out.height = s->height * 2;
|
|
s->out.row_right = s->height;
|
|
break;
|
|
case HDMI:
|
|
if (s->height != 720 && s->height != 1080) {
|
|
av_log(ctx, AV_LOG_ERROR, "Only 720 and 1080 height supported\n");
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
s->blanks = s->height / 24;
|
|
s->out.height = s->height * 2 + s->blanks;
|
|
s->out.row_right = s->height + s->blanks;
|
|
break;
|
|
case ABOVE_BELOW_2_RL:
|
|
aspect.num *= 2;
|
|
case ABOVE_BELOW_RL:
|
|
s->out.height = s->height * 2;
|
|
s->out.row_left = s->height;
|
|
break;
|
|
case INTERLEAVE_ROWS_LR:
|
|
s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_RL);
|
|
s->out.row_step = 2;
|
|
s->out.height = s->height * 2;
|
|
s->out.off_rstep = 1;
|
|
s->in.off_rstep = s->in.format != INTERLEAVE_ROWS_RL;
|
|
break;
|
|
case INTERLEAVE_ROWS_RL:
|
|
s->in.row_step = 1 + (s->in.format == INTERLEAVE_ROWS_LR);
|
|
s->out.row_step = 2;
|
|
s->out.height = s->height * 2;
|
|
s->out.off_lstep = 1;
|
|
s->in.off_lstep = s->in.format != INTERLEAVE_ROWS_LR;
|
|
break;
|
|
case MONO_R:
|
|
s->in.off_left = s->in.off_right;
|
|
s->in.row_left = s->in.row_right;
|
|
if (s->in.format == INTERLEAVE_ROWS_LR)
|
|
FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
|
|
break;
|
|
case MONO_L:
|
|
if (s->in.format == INTERLEAVE_ROWS_RL)
|
|
FFSWAP(int, s->in.off_lstep, s->in.off_rstep);
|
|
break;
|
|
case ALTERNATING_RL:
|
|
case ALTERNATING_LR:
|
|
fps.num *= 2;
|
|
tb.den *= 2;
|
|
break;
|
|
case CHECKERBOARD_LR:
|
|
case CHECKERBOARD_RL:
|
|
s->out.width = s->width * 2;
|
|
break;
|
|
case INTERLEAVE_COLS_LR:
|
|
case INTERLEAVE_COLS_RL:
|
|
s->out.width = s->width * 2;
|
|
break;
|
|
default:
|
|
av_log(ctx, AV_LOG_ERROR, "output format %d is not supported\n", s->out.format);
|
|
return AVERROR(EINVAL);
|
|
}
|
|
|
|
outlink->w = s->out.width;
|
|
outlink->h = s->out.height;
|
|
outlink->frame_rate = fps;
|
|
outlink->time_base = tb;
|
|
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);
|
|
s->ts_unit = av_q2d(av_inv_q(av_mul_q(outlink->frame_rate, outlink->time_base)));
|
|
s->pheight[1] = s->pheight[2] = FF_CEIL_RSHIFT(s->height, desc->log2_chroma_h);
|
|
s->pheight[0] = s->pheight[3] = s->height;
|
|
s->hsub = desc->log2_chroma_w;
|
|
s->vsub = desc->log2_chroma_h;
|
|
|
|
s->dsp.anaglyph = anaglyph;
|
|
if (ARCH_X86)
|
|
ff_stereo3d_init_x86(&s->dsp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
typedef struct ThreadData {
|
|
AVFrame *ileft, *iright;
|
|
AVFrame *out;
|
|
} ThreadData;
|
|
|
|
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
{
|
|
Stereo3DContext *s = ctx->priv;
|
|
ThreadData *td = arg;
|
|
AVFrame *ileft = td->ileft;
|
|
AVFrame *iright = td->iright;
|
|
AVFrame *out = td->out;
|
|
int height = s->out.height;
|
|
int start = (height * jobnr ) / nb_jobs;
|
|
int end = (height * (jobnr+1)) / nb_jobs;
|
|
const int **ana_matrix = s->ana_matrix;
|
|
|
|
s->dsp.anaglyph(out->data[0] + out->linesize[0] * start,
|
|
ileft ->data[0] + s->in_off_left [0] + ileft->linesize[0] * start * s->in.row_step,
|
|
iright->data[0] + s->in_off_right[0] + iright->linesize[0] * start * s->in.row_step,
|
|
out->linesize[0],
|
|
ileft->linesize[0] * s->in.row_step,
|
|
iright->linesize[0] * s->in.row_step,
|
|
s->out.width, end - start,
|
|
ana_matrix[0], ana_matrix[1], ana_matrix[2]);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *inpicref)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
Stereo3DContext *s = ctx->priv;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
AVFrame *out, *oleft, *oright, *ileft, *iright;
|
|
int out_off_left[4], out_off_right[4];
|
|
int i;
|
|
|
|
if (s->in.format == s->out.format)
|
|
return ff_filter_frame(outlink, inpicref);
|
|
|
|
switch (s->in.format) {
|
|
case ALTERNATING_LR:
|
|
case ALTERNATING_RL:
|
|
if (!s->prev) {
|
|
s->prev = inpicref;
|
|
return 0;
|
|
}
|
|
ileft = s->prev;
|
|
iright = inpicref;
|
|
if (s->in.format == ALTERNATING_RL)
|
|
FFSWAP(AVFrame *, ileft, iright);
|
|
break;
|
|
default:
|
|
ileft = iright = inpicref;
|
|
};
|
|
|
|
out = oleft = oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
if (!out) {
|
|
av_frame_free(&s->prev);
|
|
av_frame_free(&inpicref);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
av_frame_copy_props(out, inpicref);
|
|
|
|
if (s->out.format == ALTERNATING_LR ||
|
|
s->out.format == ALTERNATING_RL) {
|
|
oright = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
if (!oright) {
|
|
av_frame_free(&oleft);
|
|
av_frame_free(&s->prev);
|
|
av_frame_free(&inpicref);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
av_frame_copy_props(oright, inpicref);
|
|
}
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
int hsub = i == 1 || i == 2 ? s->hsub : 0;
|
|
int vsub = i == 1 || i == 2 ? s->vsub : 0;
|
|
s->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);
|
|
s->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);
|
|
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);
|
|
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);
|
|
}
|
|
|
|
switch (s->out.format) {
|
|
case HDMI:
|
|
for (i = 0; i < s->nb_planes; i++) {
|
|
int j, h = s->height >> ((i == 1 || i == 2) ? s->vsub : 0);
|
|
int b = (s->blanks) >> ((i == 1 || i == 2) ? s->vsub : 0);
|
|
|
|
for (j = h; j < h + b; j++)
|
|
memset(oleft->data[i] + j * s->linesize[i], 0, s->linesize[i]);
|
|
}
|
|
case ALTERNATING_LR:
|
|
case ALTERNATING_RL:
|
|
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(oleft->data[i] + out_off_left[i],
|
|
oleft->linesize[i] * s->out.row_step,
|
|
ileft->data[i] + s->in_off_left[i],
|
|
ileft->linesize[i] * s->in.row_step,
|
|
s->linesize[i], s->pheight[i]);
|
|
av_image_copy_plane(oright->data[i] + out_off_right[i],
|
|
oright->linesize[i] * s->out.row_step,
|
|
iright->data[i] + s->in_off_right[i],
|
|
iright->linesize[i] * s->in.row_step,
|
|
s->linesize[i], s->pheight[i]);
|
|
}
|
|
break;
|
|
case MONO_L:
|
|
iright = ileft;
|
|
case MONO_R:
|
|
for (i = 0; i < s->nb_planes; i++) {
|
|
av_image_copy_plane(out->data[i], out->linesize[i],
|
|
iright->data[i] + s->in_off_left[i],
|
|
iright->linesize[i] * s->in.row_step,
|
|
s->linesize[i], s->pheight[i]);
|
|
}
|
|
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: {
|
|
ThreadData td;
|
|
|
|
td.ileft = ileft; td.iright = iright; td.out = out;
|
|
ctx->internal->execute(ctx, filter_slice, &td, NULL,
|
|
FFMIN(s->out.height, ctx->graph->nb_threads));
|
|
break;
|
|
}
|
|
case CHECKERBOARD_RL:
|
|
case CHECKERBOARD_LR:
|
|
for (i = 0; i < s->nb_planes; i++) {
|
|
int x, y;
|
|
|
|
for (y = 0; y < s->pheight[i]; y++) {
|
|
uint8_t *dst = out->data[i] + out->linesize[i] * y;
|
|
uint8_t *left = ileft->data[i] + ileft->linesize[i] * y + s->in_off_left[i];
|
|
uint8_t *right = iright->data[i] + iright->linesize[i] * y + s->in_off_right[i];
|
|
int p, b;
|
|
|
|
if (s->out.format == CHECKERBOARD_RL)
|
|
FFSWAP(uint8_t*, left, right);
|
|
switch (s->pixstep[i]) {
|
|
case 1:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b++) {
|
|
dst[x ] = (b&1) == (y&1) ? left[p] : right[p];
|
|
dst[x+1] = (b&1) != (y&1) ? left[p] : right[p];
|
|
}
|
|
break;
|
|
case 2:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b++) {
|
|
AV_WN16(&dst[x ], (b&1) == (y&1) ? AV_RN16(&left[p]) : AV_RN16(&right[p]));
|
|
AV_WN16(&dst[x+2], (b&1) != (y&1) ? AV_RN16(&left[p]) : AV_RN16(&right[p]));
|
|
}
|
|
break;
|
|
case 3:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b++) {
|
|
AV_WB24(&dst[x ], (b&1) == (y&1) ? AV_RB24(&left[p]) : AV_RB24(&right[p]));
|
|
AV_WB24(&dst[x+3], (b&1) != (y&1) ? AV_RB24(&left[p]) : AV_RB24(&right[p]));
|
|
}
|
|
break;
|
|
case 4:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b++) {
|
|
AV_WN32(&dst[x ], (b&1) == (y&1) ? AV_RN32(&left[p]) : AV_RN32(&right[p]));
|
|
AV_WN32(&dst[x+4], (b&1) != (y&1) ? AV_RN32(&left[p]) : AV_RN32(&right[p]));
|
|
}
|
|
break;
|
|
case 6:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b++) {
|
|
AV_WB48(&dst[x ], (b&1) == (y&1) ? AV_RB48(&left[p]) : AV_RB48(&right[p]));
|
|
AV_WB48(&dst[x+6], (b&1) != (y&1) ? AV_RB48(&left[p]) : AV_RB48(&right[p]));
|
|
}
|
|
break;
|
|
case 8:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b++) {
|
|
AV_WN64(&dst[x ], (b&1) == (y&1) ? AV_RN64(&left[p]) : AV_RN64(&right[p]));
|
|
AV_WN64(&dst[x+8], (b&1) != (y&1) ? AV_RN64(&left[p]) : AV_RN64(&right[p]));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
case INTERLEAVE_COLS_LR:
|
|
case INTERLEAVE_COLS_RL:
|
|
for (i = 0; i < s->nb_planes; i++) {
|
|
int x, y;
|
|
|
|
for (y = 0; y < s->pheight[i]; y++) {
|
|
uint8_t *dst = out->data[i] + out->linesize[i] * y;
|
|
uint8_t *left = ileft->data[i] + ileft->linesize[i] * y * s->in.row_step + s->in_off_left[i];
|
|
uint8_t *right = iright->data[i] + iright->linesize[i] * y * s->in.row_step + s->in_off_right[i];
|
|
int p, b;
|
|
|
|
if (s->out.format == INTERLEAVE_COLS_LR)
|
|
FFSWAP(uint8_t*, left, right);
|
|
|
|
switch (s->pixstep[i]) {
|
|
case 1:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=2, p++, b++) {
|
|
dst[x ] = b&1 ? left[p] : right[p];
|
|
dst[x+1] = !(b&1) ? left[p] : right[p];
|
|
}
|
|
break;
|
|
case 2:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=4, p+=2, b++) {
|
|
AV_WN16(&dst[x ], b&1 ? AV_RN16(&left[p]) : AV_RN16(&right[p]));
|
|
AV_WN16(&dst[x+2], !(b&1) ? AV_RN16(&left[p]) : AV_RN16(&right[p]));
|
|
}
|
|
break;
|
|
case 3:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=6, p+=3, b++) {
|
|
AV_WB24(&dst[x ], b&1 ? AV_RB24(&left[p]) : AV_RB24(&right[p]));
|
|
AV_WB24(&dst[x+3], !(b&1) ? AV_RB24(&left[p]) : AV_RB24(&right[p]));
|
|
}
|
|
break;
|
|
case 4:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=8, p+=4, b++) {
|
|
AV_WN32(&dst[x ], b&1 ? AV_RN32(&left[p]) : AV_RN32(&right[p]));
|
|
AV_WN32(&dst[x+4], !(b&1) ? AV_RN32(&left[p]) : AV_RN32(&right[p]));
|
|
}
|
|
break;
|
|
case 6:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=12, p+=6, b++) {
|
|
AV_WB48(&dst[x ], b&1 ? AV_RB48(&left[p]) : AV_RB48(&right[p]));
|
|
AV_WB48(&dst[x+6], !(b&1) ? AV_RB48(&left[p]) : AV_RB48(&right[p]));
|
|
}
|
|
break;
|
|
case 8:
|
|
for (x = 0, b = 0, p = 0; x < s->linesize[i] * 2; x+=16, p+=8, b++) {
|
|
AV_WN64(&dst[x ], b&1 ? AV_RN64(&left[p]) : AV_RN64(&right[p]));
|
|
AV_WN64(&dst[x+8], !(b&1) ? AV_RN64(&left[p]) : AV_RN64(&right[p]));
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
av_assert0(0);
|
|
}
|
|
|
|
av_frame_free(&inpicref);
|
|
av_frame_free(&s->prev);
|
|
if (oright != oleft) {
|
|
if (s->out.format == ALTERNATING_LR)
|
|
FFSWAP(AVFrame *, oleft, oright);
|
|
oright->pts = outlink->frame_count * s->ts_unit;
|
|
ff_filter_frame(outlink, oright);
|
|
out = oleft;
|
|
oleft->pts = outlink->frame_count * s->ts_unit;
|
|
} else if (s->in.format == ALTERNATING_LR ||
|
|
s->in.format == ALTERNATING_RL) {
|
|
out->pts = outlink->frame_count * s->ts_unit;
|
|
}
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
static av_cold void uninit(AVFilterContext *ctx)
|
|
{
|
|
Stereo3DContext *s = ctx->priv;
|
|
|
|
av_frame_free(&s->prev);
|
|
}
|
|
|
|
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 ff_vf_stereo3d = {
|
|
.name = "stereo3d",
|
|
.description = NULL_IF_CONFIG_SMALL("Convert video stereoscopic 3D view."),
|
|
.priv_size = sizeof(Stereo3DContext),
|
|
.uninit = uninit,
|
|
.query_formats = query_formats,
|
|
.inputs = stereo3d_inputs,
|
|
.outputs = stereo3d_outputs,
|
|
.priv_class = &stereo3d_class,
|
|
.flags = AVFILTER_FLAG_SLICE_THREADS,
|
|
};
|