diff options
author | Paul B Mahol <onemda@gmail.com> | 2017-06-26 22:31:12 +0300 |
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committer | Paul B Mahol <onemda@gmail.com> | 2017-06-27 10:54:10 +0300 |
commit | 4ed7c2bbc3d04d5410433fd7038f076538e4a944 (patch) | |
tree | 083a62e72a7e7a137b94c5ef8a0864399d17e35b /libavcodec/utvideodsp.c | |
parent | 3594788b713e76449eda0bc9d64b38258c86a594 (diff) |
avcodec/utvideodec: add SIMD for restore_rgb_planes
Signed-off-by: Paul B Mahol <onemda@gmail.com>
Diffstat (limited to 'libavcodec/utvideodsp.c')
-rw-r--r-- | libavcodec/utvideodsp.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/libavcodec/utvideodsp.c b/libavcodec/utvideodsp.c new file mode 100644 index 0000000000..0831a6b97b --- /dev/null +++ b/libavcodec/utvideodsp.c @@ -0,0 +1,82 @@ +/* + * 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 <stdint.h> + +#include "config.h" +#include "libavutil/attributes.h" +#include "utvideodsp.h" + +static void restore_rgb_planes_c(uint8_t *src_r, + uint8_t *src_g, + uint8_t *src_b, + ptrdiff_t linesize_r, + ptrdiff_t linesize_g, + ptrdiff_t linesize_b, + int width, int height) +{ + uint8_t r, g, b; + int i, j; + + for (j = 0; j < height; j++) { + for (i = 0; i < width; i++) { + r = src_r[i]; + g = src_g[i]; + b = src_b[i]; + src_r[i] = r + g - 0x80; + src_b[i] = b + g - 0x80; + } + src_r += linesize_r; + src_g += linesize_g; + src_b += linesize_b; + } +} + +static void restore_rgb_planes10_c(uint16_t *src_r, + uint16_t *src_g, + uint16_t *src_b, + ptrdiff_t linesize_r, + ptrdiff_t linesize_g, + ptrdiff_t linesize_b, + int width, int height) +{ + int r, g, b; + int i, j; + + for (j = 0; j < height; j++) { + for (i = 0; i < width; i++) { + r = src_r[i]; + g = src_g[i]; + b = src_b[i]; + src_r[i] = (r + g - 0x200) & 0x3FF; + src_b[i] = (b + g - 0x200) & 0x3FF; + } + src_r += linesize_r; + src_g += linesize_g; + src_b += linesize_b; + } +} + +av_cold void ff_utvideodsp_init(UTVideoDSPContext *c) +{ + c->restore_rgb_planes = restore_rgb_planes_c; + c->restore_rgb_planes10 = restore_rgb_planes10_c; + + if (ARCH_X86) + ff_utvideodsp_init_x86(c); +} |