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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /media/ffvpx/libavutil/pixelutils.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'media/ffvpx/libavutil/pixelutils.h')
-rw-r--r-- | media/ffvpx/libavutil/pixelutils.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/media/ffvpx/libavutil/pixelutils.h b/media/ffvpx/libavutil/pixelutils.h new file mode 100644 index 0000000000..7a997cde1c --- /dev/null +++ b/media/ffvpx/libavutil/pixelutils.h @@ -0,0 +1,51 @@ +/* + * 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 + */ + +#ifndef AVUTIL_PIXELUTILS_H +#define AVUTIL_PIXELUTILS_H + +#include <stddef.h> +#include <stdint.h> + +/** + * Sum of abs(src1[x] - src2[x]) + */ +typedef int (*av_pixelutils_sad_fn)(const uint8_t *src1, ptrdiff_t stride1, + const uint8_t *src2, ptrdiff_t stride2); + +/** + * Get a potentially optimized pointer to a Sum-of-absolute-differences + * function (see the av_pixelutils_sad_fn prototype). + * + * @param w_bits 1<<w_bits is the requested width of the block size + * @param h_bits 1<<h_bits is the requested height of the block size + * @param aligned If set to 2, the returned sad function will assume src1 and + * src2 addresses are aligned on the block size. + * If set to 1, the returned sad function will assume src1 is + * aligned on the block size. + * If set to 0, the returned sad function assume no particular + * alignment. + * @param log_ctx context used for logging, can be NULL + * + * @return a pointer to the SAD function or NULL in case of error (because of + * invalid parameters) + */ +av_pixelutils_sad_fn av_pixelutils_get_sad_fn(int w_bits, int h_bits, + int aligned, void *log_ctx); + +#endif /* AVUTIL_PIXELUTILS_H */ |