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- /*
- * Copyright (c) 2016 Ronald S. Bultje <rsbultje@gmail.com>
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser 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 "colorspacedsp.h"
- /*
- * SS_W/H stands for "subsampling_w/h"
- * it's analogous to AVPixFmtDescriptor->log2_chroma_w/h.
- */
- #define SS_W 0
- #define SS_H 0
- #define BIT_DEPTH 8
- #include "colorspacedsp_template.c"
- #undef BIT_DEPTH
- #define BIT_DEPTH 10
- #include "colorspacedsp_template.c"
- #undef BIT_DEPTH
- #define BIT_DEPTH 12
- #include "colorspacedsp_template.c"
- #undef SS_W
- #undef SS_H
- #define SS_W 1
- #define SS_H 0
- #undef BIT_DEPTH
- #define BIT_DEPTH 8
- #include "colorspacedsp_template.c"
- #undef BIT_DEPTH
- #define BIT_DEPTH 10
- #include "colorspacedsp_template.c"
- #undef BIT_DEPTH
- #define BIT_DEPTH 12
- #include "colorspacedsp_template.c"
- #undef SS_W
- #undef SS_H
- #define SS_W 1
- #define SS_H 1
- #undef BIT_DEPTH
- #define BIT_DEPTH 8
- #include "colorspacedsp_template.c"
- #undef BIT_DEPTH
- #define BIT_DEPTH 10
- #include "colorspacedsp_template.c"
- #undef BIT_DEPTH
- #define BIT_DEPTH 12
- #include "colorspacedsp_template.c"
- static void multiply3x3_c(int16_t *buf[3], ptrdiff_t stride,
- int w, int h, const int16_t m[3][3][8])
- {
- int y, x;
- int16_t *buf0 = buf[0], *buf1 = buf[1], *buf2 = buf[2];
- for (y = 0; y < h; y++) {
- for (x = 0; x < w; x++) {
- int v0 = buf0[x], v1 = buf1[x], v2 = buf2[x];
- buf0[x] = av_clip_int16((m[0][0][0] * v0 + m[0][1][0] * v1 +
- m[0][2][0] * v2 + 8192) >> 14);
- buf1[x] = av_clip_int16((m[1][0][0] * v0 + m[1][1][0] * v1 +
- m[1][2][0] * v2 + 8192) >> 14);
- buf2[x] = av_clip_int16((m[2][0][0] * v0 + m[2][1][0] * v1 +
- m[2][2][0] * v2 + 8192) >> 14);
- }
- buf0 += stride;
- buf1 += stride;
- buf2 += stride;
- }
- }
- void ff_colorspacedsp_init(ColorSpaceDSPContext *dsp)
- {
- #define init_yuv2rgb_fn(bit) \
- dsp->yuv2rgb[BPP_##bit][SS_444] = yuv2rgb_444p##bit##_c; \
- dsp->yuv2rgb[BPP_##bit][SS_422] = yuv2rgb_422p##bit##_c; \
- dsp->yuv2rgb[BPP_##bit][SS_420] = yuv2rgb_420p##bit##_c
- init_yuv2rgb_fn( 8);
- init_yuv2rgb_fn(10);
- init_yuv2rgb_fn(12);
- #define init_rgb2yuv_fn(bit) \
- dsp->rgb2yuv[BPP_##bit][SS_444] = rgb2yuv_444p##bit##_c; \
- dsp->rgb2yuv[BPP_##bit][SS_422] = rgb2yuv_422p##bit##_c; \
- dsp->rgb2yuv[BPP_##bit][SS_420] = rgb2yuv_420p##bit##_c
- init_rgb2yuv_fn( 8);
- init_rgb2yuv_fn(10);
- init_rgb2yuv_fn(12);
- #define init_rgb2yuv_fsb_fn(bit) \
- dsp->rgb2yuv_fsb[BPP_##bit][SS_444] = rgb2yuv_fsb_444p##bit##_c; \
- dsp->rgb2yuv_fsb[BPP_##bit][SS_422] = rgb2yuv_fsb_422p##bit##_c; \
- dsp->rgb2yuv_fsb[BPP_##bit][SS_420] = rgb2yuv_fsb_420p##bit##_c
- init_rgb2yuv_fsb_fn( 8);
- init_rgb2yuv_fsb_fn(10);
- init_rgb2yuv_fsb_fn(12);
- #define init_yuv2yuv_fn(idx1, bit1, bit2) \
- dsp->yuv2yuv[idx1][BPP_##bit2][SS_444] = yuv2yuv_444p##bit1##to##bit2##_c; \
- dsp->yuv2yuv[idx1][BPP_##bit2][SS_422] = yuv2yuv_422p##bit1##to##bit2##_c; \
- dsp->yuv2yuv[idx1][BPP_##bit2][SS_420] = yuv2yuv_420p##bit1##to##bit2##_c
- #define init_yuv2yuv_fns(bit1) \
- init_yuv2yuv_fn(BPP_##bit1, bit1, 8); \
- init_yuv2yuv_fn(BPP_##bit1, bit1, 10); \
- init_yuv2yuv_fn(BPP_##bit1, bit1, 12)
- init_yuv2yuv_fns( 8);
- init_yuv2yuv_fns(10);
- init_yuv2yuv_fns(12);
- dsp->multiply3x3 = multiply3x3_c;
- if (ARCH_X86)
- ff_colorspacedsp_x86_init(dsp);
- }
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