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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/libavcodec/rnd_avg.h | |
parent | Initial commit. (diff) | |
download | firefox-esr-upstream.tar.xz firefox-esr-upstream.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/libavcodec/rnd_avg.h')
-rw-r--r-- | media/ffvpx/libavcodec/rnd_avg.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/rnd_avg.h b/media/ffvpx/libavcodec/rnd_avg.h new file mode 100644 index 0000000000..344775e31f --- /dev/null +++ b/media/ffvpx/libavcodec/rnd_avg.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2001-2003 BERO <bero@geocities.co.jp> + * Copyright (c) 2011 Oskar Arvidsson + * + * 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 AVCODEC_RND_AVG_H +#define AVCODEC_RND_AVG_H + +#include <stddef.h> +#include <stdint.h> + +#define BYTE_VEC32(c) ((c) * 0x01010101UL) +#define BYTE_VEC64(c) ((c) * 0x0001000100010001UL) + +static inline uint32_t rnd_avg32(uint32_t a, uint32_t b) +{ + return (a | b) - (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); +} + +static inline uint32_t no_rnd_avg32(uint32_t a, uint32_t b) +{ + return (a & b) + (((a ^ b) & ~BYTE_VEC32(0x01)) >> 1); +} + +static inline uint64_t rnd_avg64(uint64_t a, uint64_t b) +{ + return (a | b) - (((a ^ b) & ~BYTE_VEC64(0x01)) >> 1); +} + +static inline uint64_t no_rnd_avg64(uint64_t a, uint64_t b) +{ + return (a & b) + (((a ^ b) & ~BYTE_VEC64(0x01)) >> 1); +} + +#endif /* AVCODEC_RND_AVG_H */ |