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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/videodsp.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 '')
-rw-r--r-- | media/ffvpx/libavcodec/videodsp.h | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/videodsp.h b/media/ffvpx/libavcodec/videodsp.h new file mode 100644 index 0000000000..e8960b609d --- /dev/null +++ b/media/ffvpx/libavcodec/videodsp.h @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2012 Ronald S. Bultje + * + * 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 + * Core video DSP helper functions + */ + +#ifndef AVCODEC_VIDEODSP_H +#define AVCODEC_VIDEODSP_H + +#include <stddef.h> +#include <stdint.h> + +#define EMULATED_EDGE(depth) \ +void ff_emulated_edge_mc_ ## depth(uint8_t *dst, const uint8_t *src, \ + ptrdiff_t dst_stride, ptrdiff_t src_stride, \ + int block_w, int block_h,\ + int src_x, int src_y, int w, int h); + +EMULATED_EDGE(8) + +typedef struct VideoDSPContext { + /** + * Copy a rectangular area of samples to a temporary buffer and replicate + * the border samples. + * + * @param dst destination buffer + * @param dst_stride number of bytes between 2 vertically adjacent samples + * in destination buffer + * @param src source buffer + * @param dst_linesize number of bytes between 2 vertically adjacent + * samples in the destination buffer + * @param src_linesize number of bytes between 2 vertically adjacent + * samples in both the source buffer + * @param block_w width of block + * @param block_h height of block + * @param src_x x coordinate of the top left sample of the block in the + * source buffer + * @param src_y y coordinate of the top left sample of the block in the + * source buffer + * @param w width of the source buffer + * @param h height of the source buffer + */ + void (*emulated_edge_mc)(uint8_t *dst, const uint8_t *src, + ptrdiff_t dst_linesize, + ptrdiff_t src_linesize, + int block_w, int block_h, + int src_x, int src_y, int w, int h); + + /** + * Prefetch memory into cache (if supported by hardware). + * + * @param buf pointer to buffer to prefetch memory from + * @param stride distance between two lines of buf (in bytes) + * @param h number of lines to prefetch + */ + void (*prefetch)(const uint8_t *buf, ptrdiff_t stride, int h); +} VideoDSPContext; + +void ff_videodsp_init(VideoDSPContext *ctx, int bpc); + +/* for internal use only (i.e. called by ff_videodsp_init() */ +void ff_videodsp_init_aarch64(VideoDSPContext *ctx, int bpc); +void ff_videodsp_init_arm(VideoDSPContext *ctx, int bpc); +void ff_videodsp_init_ppc(VideoDSPContext *ctx, int bpc); +void ff_videodsp_init_x86(VideoDSPContext *ctx, int bpc); +void ff_videodsp_init_mips(VideoDSPContext *ctx, int bpc); +void ff_videodsp_init_loongarch(VideoDSPContext *ctx, int bpc); + +#endif /* AVCODEC_VIDEODSP_H */ |