diff options
author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
---|---|---|
committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /media/ffvpx/libavcodec/simple_idct.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 '')
-rw-r--r-- | media/ffvpx/libavcodec/simple_idct.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/simple_idct.h b/media/ffvpx/libavcodec/simple_idct.h new file mode 100644 index 0000000000..20578b3347 --- /dev/null +++ b/media/ffvpx/libavcodec/simple_idct.h @@ -0,0 +1,64 @@ +/* + * Simple IDCT + * + * Copyright (c) 2001 Michael Niedermayer <michaelni@gmx.at> + * + * 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 + */ + +/** + * @file + * simple idct header. + */ + +#ifndef AVCODEC_SIMPLE_IDCT_H +#define AVCODEC_SIMPLE_IDCT_H + +#include <stddef.h> +#include <stdint.h> + +void ff_simple_idct_put_int16_8bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_add_int16_8bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_int16_8bit(int16_t *block); + +void ff_simple_idct_put_int16_10bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_add_int16_10bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_int16_10bit(int16_t *block); + +void ff_simple_idct_put_int32_10bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_add_int32_10bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_int32_10bit(int16_t *block); + +void ff_simple_idct_put_int16_12bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_add_int16_12bit(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct_int16_12bit(int16_t *block); + +/** + * Special version of ff_simple_idct_int16_10bit() which does dequantization + * and scales by a factor of 2 more between the two IDCTs to account + * for larger scale of input coefficients. + */ +void ff_prores_idct_10(int16_t *block, const int16_t *qmat); +void ff_prores_idct_12(int16_t *block, const int16_t *qmat); + +void ff_simple_idct248_put(uint8_t *dest, ptrdiff_t line_size, int16_t *block); + +void ff_simple_idct84_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct48_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block); +void ff_simple_idct44_add(uint8_t *dest, ptrdiff_t line_size, int16_t *block); + +#endif /* AVCODEC_SIMPLE_IDCT_H */ |