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497 lines
18 KiB
497 lines
18 KiB
/* |
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* ColorMatrix v2.2 for Avisynth 2.5.x |
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* |
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* Copyright (C) 2006-2007 Kevin Stone |
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* |
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* ColorMatrix 1.x is Copyright (C) Wilbert Dijkhof |
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* |
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* This program is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License as published by the |
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* Free Software Foundation; either version 2 of the License, or (at your |
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* option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, but |
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* OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public |
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* License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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|
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/** |
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* @file |
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* ColorMatrix 2.0 is based on the original ColorMatrix filter by Wilbert |
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* Dijkhof. It adds the ability to convert between any of: Rec.709, FCC, |
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* Rec.601, and SMPTE 240M. It also makes pre and post clipping optional, |
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* adds an option to use scaled or non-scaled coefficients, and more... |
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*/ |
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#include <float.h> |
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#include "avfilter.h" |
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#include "filters.h" |
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#include "video.h" |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#define NS(n) ((n) < 0 ? (int)((n)*65536.0-0.5+DBL_EPSILON) : (int)((n)*65536.0+0.5)) |
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#define CB(n) av_clip_uint8(n) |
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static const double yuv_coeff_luma[5][3] = { |
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{ +0.7152, +0.0722, +0.2126 }, // Rec.709 (0) |
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{ +0.5900, +0.1100, +0.3000 }, // FCC (1) |
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{ +0.5870, +0.1140, +0.2990 }, // Rec.601 (ITU-R BT.470-2/SMPTE 170M) (2) |
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{ +0.7010, +0.0870, +0.2120 }, // SMPTE 240M (3) |
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{ +0.6780, +0.0593, +0.2627 }, // Rec.2020 (4) |
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}; |
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enum ColorMode { |
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COLOR_MODE_NONE = -1, |
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COLOR_MODE_BT709, |
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COLOR_MODE_FCC, |
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COLOR_MODE_BT601, |
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COLOR_MODE_SMPTE240M, |
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COLOR_MODE_BT2020, |
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COLOR_MODE_COUNT |
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}; |
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typedef struct ColorMatrixContext { |
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const AVClass *class; |
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int yuv_convert[25][3][3]; |
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int interlaced; |
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int source, dest; ///< ColorMode |
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int mode; |
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int hsub, vsub; |
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} ColorMatrixContext; |
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typedef struct ThreadData { |
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AVFrame *dst; |
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const AVFrame *src; |
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int c2; |
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int c3; |
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int c4; |
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int c5; |
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int c6; |
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int c7; |
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} ThreadData; |
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#define OFFSET(x) offsetof(ColorMatrixContext, x) |
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#define FLAGS AV_OPT_FLAG_VIDEO_PARAM|AV_OPT_FLAG_FILTERING_PARAM |
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static const AVOption colormatrix_options[] = { |
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{ "src", "set source color matrix", OFFSET(source), AV_OPT_TYPE_INT, {.i64=COLOR_MODE_NONE}, COLOR_MODE_NONE, COLOR_MODE_COUNT-1, .flags=FLAGS, .unit="color_mode" }, |
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{ "dst", "set destination color matrix", OFFSET(dest), AV_OPT_TYPE_INT, {.i64=COLOR_MODE_NONE}, COLOR_MODE_NONE, COLOR_MODE_COUNT-1, .flags=FLAGS, .unit="color_mode" }, |
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{ "bt709", "set BT.709 colorspace", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT709}, .flags=FLAGS, .unit="color_mode" }, |
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{ "fcc", "set FCC colorspace ", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_FCC}, .flags=FLAGS, .unit="color_mode" }, |
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{ "bt601", "set BT.601 colorspace", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT601}, .flags=FLAGS, .unit="color_mode" }, |
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{ "bt470", "set BT.470 colorspace", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT601}, .flags=FLAGS, .unit="color_mode" }, |
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{ "bt470bg", "set BT.470 colorspace", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT601}, .flags=FLAGS, .unit="color_mode" }, |
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{ "smpte170m", "set SMTPE-170M colorspace", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT601}, .flags=FLAGS, .unit="color_mode" }, |
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{ "smpte240m", "set SMPTE-240M colorspace", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_SMPTE240M}, .flags=FLAGS, .unit="color_mode" }, |
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{ "bt2020", "set BT.2020 colorspace", 0, AV_OPT_TYPE_CONST, {.i64=COLOR_MODE_BT2020}, .flags=FLAGS, .unit="color_mode" }, |
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{ NULL } |
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}; |
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AVFILTER_DEFINE_CLASS(colormatrix); |
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#define ma m[0][0] |
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#define mb m[0][1] |
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#define mc m[0][2] |
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#define md m[1][0] |
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#define me m[1][1] |
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#define mf m[1][2] |
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#define mg m[2][0] |
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#define mh m[2][1] |
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#define mi m[2][2] |
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#define ima im[0][0] |
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#define imb im[0][1] |
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#define imc im[0][2] |
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#define imd im[1][0] |
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#define ime im[1][1] |
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#define imf im[1][2] |
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#define img im[2][0] |
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#define imh im[2][1] |
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#define imi im[2][2] |
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static void inverse3x3(double im[3][3], double m[3][3]) |
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{ |
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double det = ma * (me * mi - mf * mh) - mb * (md * mi - mf * mg) + mc * (md * mh - me * mg); |
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det = 1.0 / det; |
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ima = det * (me * mi - mf * mh); |
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imb = det * (mc * mh - mb * mi); |
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imc = det * (mb * mf - mc * me); |
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imd = det * (mf * mg - md * mi); |
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ime = det * (ma * mi - mc * mg); |
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imf = det * (mc * md - ma * mf); |
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img = det * (md * mh - me * mg); |
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imh = det * (mb * mg - ma * mh); |
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imi = det * (ma * me - mb * md); |
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} |
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static void solve_coefficients(double cm[3][3], double rgb[3][3], double yuv[3][3]) |
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{ |
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int i, j; |
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for (i = 0; i < 3; i++) |
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for (j = 0; j < 3; j++) |
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cm[i][j] = yuv[i][0] * rgb[0][j] + yuv[i][1] * rgb[1][j] + yuv[i][2] * rgb[2][j]; |
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} |
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static void calc_coefficients(AVFilterContext *ctx) |
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{ |
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ColorMatrixContext *color = ctx->priv; |
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double yuv_coeff[5][3][3]; |
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double rgb_coeffd[5][3][3]; |
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double yuv_convertd[25][3][3]; |
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double bscale, rscale; |
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int v = 0; |
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int i, j, k; |
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for (i = 0; i < 5; i++) { |
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yuv_coeff[i][0][0] = yuv_coeff_luma[i][0]; |
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yuv_coeff[i][0][1] = yuv_coeff_luma[i][1]; |
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yuv_coeff[i][0][2] = yuv_coeff_luma[i][2]; |
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bscale = 0.5 / (yuv_coeff[i][0][1] - 1.0); |
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rscale = 0.5 / (yuv_coeff[i][0][2] - 1.0); |
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yuv_coeff[i][1][0] = bscale * yuv_coeff[i][0][0]; |
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yuv_coeff[i][1][1] = 0.5; |
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yuv_coeff[i][1][2] = bscale * yuv_coeff[i][0][2]; |
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yuv_coeff[i][2][0] = rscale * yuv_coeff[i][0][0]; |
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yuv_coeff[i][2][1] = rscale * yuv_coeff[i][0][1]; |
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yuv_coeff[i][2][2] = 0.5; |
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} |
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for (i = 0; i < 5; i++) |
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inverse3x3(rgb_coeffd[i], yuv_coeff[i]); |
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for (i = 0; i < 5; i++) { |
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for (j = 0; j < 5; j++) { |
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solve_coefficients(yuv_convertd[v], rgb_coeffd[i], yuv_coeff[j]); |
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for (k = 0; k < 3; k++) { |
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color->yuv_convert[v][k][0] = NS(yuv_convertd[v][k][0]); |
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color->yuv_convert[v][k][1] = NS(yuv_convertd[v][k][1]); |
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color->yuv_convert[v][k][2] = NS(yuv_convertd[v][k][2]); |
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} |
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if (color->yuv_convert[v][0][0] != 65536 || color->yuv_convert[v][1][0] != 0 || |
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color->yuv_convert[v][2][0] != 0) { |
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av_log(ctx, AV_LOG_ERROR, "error calculating conversion coefficients\n"); |
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} |
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v++; |
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} |
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} |
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} |
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static const char * const color_modes[] = {"bt709", "fcc", "bt601", "smpte240m", "bt2020"}; |
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static av_cold int init(AVFilterContext *ctx) |
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{ |
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ColorMatrixContext *color = ctx->priv; |
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if (color->dest == COLOR_MODE_NONE) { |
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av_log(ctx, AV_LOG_ERROR, "Unspecified destination color space\n"); |
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return AVERROR(EINVAL); |
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} |
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if (color->source == color->dest) { |
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av_log(ctx, AV_LOG_ERROR, "Source and destination color space must not be identical\n"); |
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return AVERROR(EINVAL); |
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} |
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calc_coefficients(ctx); |
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return 0; |
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} |
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static int process_slice_uyvy422(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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const ThreadData *td = arg; |
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const AVFrame *src = td->src; |
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AVFrame *dst = td->dst; |
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const int height = src->height; |
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const int width = src->width*2; |
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const int src_pitch = src->linesize[0]; |
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const int dst_pitch = dst->linesize[0]; |
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const int slice_start = (height * jobnr ) / nb_jobs; |
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const int slice_end = (height * (jobnr+1)) / nb_jobs; |
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const unsigned char *srcp = src->data[0] + slice_start * src_pitch; |
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unsigned char *dstp = dst->data[0] + slice_start * dst_pitch; |
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const int c2 = td->c2; |
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const int c3 = td->c3; |
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const int c4 = td->c4; |
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const int c5 = td->c5; |
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const int c6 = td->c6; |
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const int c7 = td->c7; |
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int x, y; |
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for (y = slice_start; y < slice_end; y++) { |
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for (x = 0; x < width; x += 4) { |
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const int u = srcp[x + 0] - 128; |
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const int v = srcp[x + 2] - 128; |
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const int uvval = c2 * u + c3 * v + 1081344; |
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dstp[x + 0] = CB((c4 * u + c5 * v + 8421376) >> 16); |
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dstp[x + 1] = CB((65536 * (srcp[x + 1] - 16) + uvval) >> 16); |
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dstp[x + 2] = CB((c6 * u + c7 * v + 8421376) >> 16); |
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dstp[x + 3] = CB((65536 * (srcp[x + 3] - 16) + uvval) >> 16); |
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} |
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srcp += src_pitch; |
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dstp += dst_pitch; |
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} |
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return 0; |
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} |
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static int process_slice_yuv444p(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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const ThreadData *td = arg; |
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const AVFrame *src = td->src; |
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AVFrame *dst = td->dst; |
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const int height = src->height; |
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const int width = src->width; |
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const int slice_start = (height * jobnr ) / nb_jobs; |
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const int slice_end = (height * (jobnr+1)) / nb_jobs; |
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const int src_pitchY = src->linesize[0]; |
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const int src_pitchUV = src->linesize[1]; |
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const unsigned char *srcpU = src->data[1] + slice_start * src_pitchUV; |
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const unsigned char *srcpV = src->data[2] + slice_start * src_pitchUV; |
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const unsigned char *srcpY = src->data[0] + slice_start * src_pitchY; |
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const int dst_pitchY = dst->linesize[0]; |
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const int dst_pitchUV = dst->linesize[1]; |
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unsigned char *dstpU = dst->data[1] + slice_start * dst_pitchUV; |
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unsigned char *dstpV = dst->data[2] + slice_start * dst_pitchUV; |
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unsigned char *dstpY = dst->data[0] + slice_start * dst_pitchY; |
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const int c2 = td->c2; |
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const int c3 = td->c3; |
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const int c4 = td->c4; |
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const int c5 = td->c5; |
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const int c6 = td->c6; |
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const int c7 = td->c7; |
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int x, y; |
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for (y = slice_start; y < slice_end; y++) { |
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for (x = 0; x < width; x++) { |
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const int u = srcpU[x] - 128; |
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const int v = srcpV[x] - 128; |
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const int uvval = c2 * u + c3 * v + 1081344; |
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dstpY[x] = CB((65536 * (srcpY[x] - 16) + uvval) >> 16); |
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dstpU[x] = CB((c4 * u + c5 * v + 8421376) >> 16); |
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dstpV[x] = CB((c6 * u + c7 * v + 8421376) >> 16); |
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} |
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srcpY += src_pitchY; |
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dstpY += dst_pitchY; |
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srcpU += src_pitchUV; |
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srcpV += src_pitchUV; |
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dstpU += dst_pitchUV; |
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dstpV += dst_pitchUV; |
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} |
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return 0; |
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} |
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static int process_slice_yuv422p(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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const ThreadData *td = arg; |
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const AVFrame *src = td->src; |
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AVFrame *dst = td->dst; |
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const int height = src->height; |
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const int width = src->width; |
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const int slice_start = (height * jobnr ) / nb_jobs; |
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const int slice_end = (height * (jobnr+1)) / nb_jobs; |
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const int src_pitchY = src->linesize[0]; |
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const int src_pitchUV = src->linesize[1]; |
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const unsigned char *srcpU = src->data[1] + slice_start * src_pitchUV; |
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const unsigned char *srcpV = src->data[2] + slice_start * src_pitchUV; |
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const unsigned char *srcpY = src->data[0] + slice_start * src_pitchY; |
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const int dst_pitchY = dst->linesize[0]; |
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const int dst_pitchUV = dst->linesize[1]; |
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unsigned char *dstpU = dst->data[1] + slice_start * dst_pitchUV; |
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unsigned char *dstpV = dst->data[2] + slice_start * dst_pitchUV; |
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unsigned char *dstpY = dst->data[0] + slice_start * dst_pitchY; |
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const int c2 = td->c2; |
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const int c3 = td->c3; |
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const int c4 = td->c4; |
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const int c5 = td->c5; |
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const int c6 = td->c6; |
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const int c7 = td->c7; |
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int x, y; |
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for (y = slice_start; y < slice_end; y++) { |
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for (x = 0; x < width; x += 2) { |
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const int u = srcpU[x >> 1] - 128; |
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const int v = srcpV[x >> 1] - 128; |
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const int uvval = c2 * u + c3 * v + 1081344; |
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dstpY[x + 0] = CB((65536 * (srcpY[x + 0] - 16) + uvval) >> 16); |
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dstpY[x + 1] = CB((65536 * (srcpY[x + 1] - 16) + uvval) >> 16); |
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dstpU[x >> 1] = CB((c4 * u + c5 * v + 8421376) >> 16); |
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dstpV[x >> 1] = CB((c6 * u + c7 * v + 8421376) >> 16); |
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} |
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srcpY += src_pitchY; |
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dstpY += dst_pitchY; |
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srcpU += src_pitchUV; |
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srcpV += src_pitchUV; |
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dstpU += dst_pitchUV; |
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dstpV += dst_pitchUV; |
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} |
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return 0; |
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} |
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static int process_slice_yuv420p(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs) |
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{ |
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const ThreadData *td = arg; |
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const AVFrame *src = td->src; |
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AVFrame *dst = td->dst; |
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const int height = FFALIGN(src->height, 2) >> 1; |
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const int width = src->width; |
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const int slice_start = ((height * jobnr ) / nb_jobs) << 1; |
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const int slice_end = ((height * (jobnr+1)) / nb_jobs) << 1; |
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const int src_pitchY = src->linesize[0]; |
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const int src_pitchUV = src->linesize[1]; |
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const int dst_pitchY = dst->linesize[0]; |
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const int dst_pitchUV = dst->linesize[1]; |
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const unsigned char *srcpY = src->data[0] + src_pitchY * slice_start; |
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const unsigned char *srcpU = src->data[1] + src_pitchUV * (slice_start >> 1); |
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const unsigned char *srcpV = src->data[2] + src_pitchUV * (slice_start >> 1); |
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const unsigned char *srcpN = src->data[0] + src_pitchY * (slice_start + 1); |
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unsigned char *dstpU = dst->data[1] + dst_pitchUV * (slice_start >> 1); |
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unsigned char *dstpV = dst->data[2] + dst_pitchUV * (slice_start >> 1); |
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unsigned char *dstpY = dst->data[0] + dst_pitchY * slice_start; |
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unsigned char *dstpN = dst->data[0] + dst_pitchY * (slice_start + 1); |
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const int c2 = td->c2; |
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const int c3 = td->c3; |
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const int c4 = td->c4; |
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const int c5 = td->c5; |
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const int c6 = td->c6; |
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const int c7 = td->c7; |
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int x, y; |
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for (y = slice_start; y < slice_end; y += 2) { |
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for (x = 0; x < width; x += 2) { |
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const int u = srcpU[x >> 1] - 128; |
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const int v = srcpV[x >> 1] - 128; |
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const int uvval = c2 * u + c3 * v + 1081344; |
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dstpY[x + 0] = CB((65536 * (srcpY[x + 0] - 16) + uvval) >> 16); |
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dstpY[x + 1] = CB((65536 * (srcpY[x + 1] - 16) + uvval) >> 16); |
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dstpN[x + 0] = CB((65536 * (srcpN[x + 0] - 16) + uvval) >> 16); |
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dstpN[x + 1] = CB((65536 * (srcpN[x + 1] - 16) + uvval) >> 16); |
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dstpU[x >> 1] = CB((c4 * u + c5 * v + 8421376) >> 16); |
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dstpV[x >> 1] = CB((c6 * u + c7 * v + 8421376) >> 16); |
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} |
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srcpY += src_pitchY << 1; |
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dstpY += dst_pitchY << 1; |
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srcpN += src_pitchY << 1; |
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dstpN += dst_pitchY << 1; |
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srcpU += src_pitchUV; |
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srcpV += src_pitchUV; |
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dstpU += dst_pitchUV; |
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dstpV += dst_pitchUV; |
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} |
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return 0; |
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} |
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static int config_input(AVFilterLink *inlink) |
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{ |
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AVFilterContext *ctx = inlink->dst; |
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ColorMatrixContext *color = ctx->priv; |
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const AVPixFmtDescriptor *pix_desc = av_pix_fmt_desc_get(inlink->format); |
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color->hsub = pix_desc->log2_chroma_w; |
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color->vsub = pix_desc->log2_chroma_h; |
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av_log(ctx, AV_LOG_VERBOSE, "%s -> %s\n", |
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color_modes[color->source], color_modes[color->dest]); |
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return 0; |
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} |
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static int filter_frame(AVFilterLink *link, AVFrame *in) |
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{ |
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AVFilterContext *ctx = link->dst; |
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ColorMatrixContext *color = ctx->priv; |
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AVFilterLink *outlink = ctx->outputs[0]; |
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AVFrame *out; |
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ThreadData td = {0}; |
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out = ff_get_video_buffer(outlink, outlink->w, outlink->h); |
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if (!out) { |
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av_frame_free(&in); |
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return AVERROR(ENOMEM); |
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} |
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av_frame_copy_props(out, in); |
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|
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if (color->source == COLOR_MODE_NONE) { |
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enum AVColorSpace cs = in->colorspace; |
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enum ColorMode source; |
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|
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switch(cs) { |
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case AVCOL_SPC_BT709 : source = COLOR_MODE_BT709 ; break; |
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case AVCOL_SPC_FCC : source = COLOR_MODE_FCC ; break; |
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case AVCOL_SPC_SMPTE240M : source = COLOR_MODE_SMPTE240M ; break; |
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case AVCOL_SPC_BT470BG : source = COLOR_MODE_BT601 ; break; |
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case AVCOL_SPC_SMPTE170M : source = COLOR_MODE_BT601 ; break; |
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case AVCOL_SPC_BT2020_NCL: source = COLOR_MODE_BT2020 ; break; |
|
case AVCOL_SPC_BT2020_CL : source = COLOR_MODE_BT2020 ; break; |
|
default : |
|
av_log(ctx, AV_LOG_ERROR, "Input frame does not specify a supported colorspace, and none has been specified as source either\n"); |
|
av_frame_free(&out); |
|
return AVERROR(EINVAL); |
|
} |
|
color->mode = source * 5 + color->dest; |
|
} else |
|
color->mode = color->source * 5 + color->dest; |
|
|
|
switch(color->dest) { |
|
case COLOR_MODE_BT709 : out->colorspace = AVCOL_SPC_BT709 ; break; |
|
case COLOR_MODE_FCC : out->colorspace = AVCOL_SPC_FCC ; break; |
|
case COLOR_MODE_SMPTE240M: out->colorspace = AVCOL_SPC_SMPTE240M ; break; |
|
case COLOR_MODE_BT601 : out->colorspace = AVCOL_SPC_BT470BG ; break; |
|
case COLOR_MODE_BT2020 : out->colorspace = AVCOL_SPC_BT2020_NCL; break; |
|
} |
|
|
|
td.src = in; |
|
td.dst = out; |
|
td.c2 = color->yuv_convert[color->mode][0][1]; |
|
td.c3 = color->yuv_convert[color->mode][0][2]; |
|
td.c4 = color->yuv_convert[color->mode][1][1]; |
|
td.c5 = color->yuv_convert[color->mode][1][2]; |
|
td.c6 = color->yuv_convert[color->mode][2][1]; |
|
td.c7 = color->yuv_convert[color->mode][2][2]; |
|
|
|
if (in->format == AV_PIX_FMT_YUV444P) |
|
ff_filter_execute(ctx, process_slice_yuv444p, &td, NULL, |
|
FFMIN(in->height, ff_filter_get_nb_threads(ctx))); |
|
else if (in->format == AV_PIX_FMT_YUV422P) |
|
ff_filter_execute(ctx, process_slice_yuv422p, &td, NULL, |
|
FFMIN(in->height, ff_filter_get_nb_threads(ctx))); |
|
else if (in->format == AV_PIX_FMT_YUV420P) |
|
ff_filter_execute(ctx, process_slice_yuv420p, &td, NULL, |
|
FFMIN(in->height / 2, ff_filter_get_nb_threads(ctx))); |
|
else |
|
ff_filter_execute(ctx, process_slice_uyvy422, &td, NULL, |
|
FFMIN(in->height, ff_filter_get_nb_threads(ctx))); |
|
|
|
av_frame_free(&in); |
|
return ff_filter_frame(outlink, out); |
|
} |
|
|
|
static const AVFilterPad colormatrix_inputs[] = { |
|
{ |
|
.name = "default", |
|
.type = AVMEDIA_TYPE_VIDEO, |
|
.config_props = config_input, |
|
.filter_frame = filter_frame, |
|
}, |
|
}; |
|
|
|
const AVFilter ff_vf_colormatrix = { |
|
.name = "colormatrix", |
|
.description = NULL_IF_CONFIG_SMALL("Convert color matrix."), |
|
.priv_size = sizeof(ColorMatrixContext), |
|
.init = init, |
|
FILTER_INPUTS(colormatrix_inputs), |
|
FILTER_OUTPUTS(ff_video_default_filterpad), |
|
FILTER_PIXFMTS(AV_PIX_FMT_YUV444P, |
|
AV_PIX_FMT_YUV422P, |
|
AV_PIX_FMT_YUV420P, |
|
AV_PIX_FMT_UYVY422), |
|
.priv_class = &colormatrix_class, |
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS, |
|
};
|
|
|