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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/arm/idctdsp_init_arm.c | |
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/arm/idctdsp_init_arm.c')
-rw-r--r-- | media/ffvpx/libavcodec/arm/idctdsp_init_arm.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c b/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c new file mode 100644 index 0000000000..ebc90e4b49 --- /dev/null +++ b/media/ffvpx/libavcodec/arm/idctdsp_init_arm.c @@ -0,0 +1,94 @@ +/* + * ARM-optimized IDCT functions + * Copyright (c) 2001 Lionel Ulmer + * + * 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 <stddef.h> +#include <stdint.h> + +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/arm/cpu.h" +#include "libavcodec/avcodec.h" +#include "libavcodec/idctdsp.h" +#include "idct.h" +#include "idctdsp_arm.h" + +void ff_add_pixels_clamped_arm(const int16_t *block, uint8_t *dest, + ptrdiff_t line_size); + +/* XXX: those functions should be suppressed ASAP when all IDCTs are + * converted */ +static void j_rev_dct_arm_put(uint8_t *dest, ptrdiff_t line_size, + int16_t *block) +{ + ff_j_rev_dct_arm(block); + ff_put_pixels_clamped_c(block, dest, line_size); +} + +static void j_rev_dct_arm_add(uint8_t *dest, ptrdiff_t line_size, + int16_t *block) +{ + ff_j_rev_dct_arm(block); + ff_add_pixels_clamped_arm(block, dest, line_size); +} + +static void simple_idct_arm_put(uint8_t *dest, ptrdiff_t line_size, + int16_t *block) +{ + ff_simple_idct_arm(block); + ff_put_pixels_clamped_c(block, dest, line_size); +} + +static void simple_idct_arm_add(uint8_t *dest, ptrdiff_t line_size, + int16_t *block) +{ + ff_simple_idct_arm(block); + ff_add_pixels_clamped_arm(block, dest, line_size); +} + +av_cold void ff_idctdsp_init_arm(IDCTDSPContext *c, AVCodecContext *avctx, + unsigned high_bit_depth) +{ + int cpu_flags = av_get_cpu_flags(); + + if (!avctx->lowres && !high_bit_depth) { + if ((avctx->idct_algo == FF_IDCT_AUTO && !(avctx->flags & AV_CODEC_FLAG_BITEXACT)) || + avctx->idct_algo == FF_IDCT_ARM) { + c->idct_put = j_rev_dct_arm_put; + c->idct_add = j_rev_dct_arm_add; + c->idct = ff_j_rev_dct_arm; + c->perm_type = FF_IDCT_PERM_LIBMPEG2; + } else if (avctx->idct_algo == FF_IDCT_SIMPLEARM) { + c->idct_put = simple_idct_arm_put; + c->idct_add = simple_idct_arm_add; + c->idct = ff_simple_idct_arm; + c->perm_type = FF_IDCT_PERM_NONE; + } + } + + c->add_pixels_clamped = ff_add_pixels_clamped_arm; + + if (have_armv5te(cpu_flags)) + ff_idctdsp_init_armv5te(c, avctx, high_bit_depth); + if (have_armv6(cpu_flags)) + ff_idctdsp_init_armv6(c, avctx, high_bit_depth); + if (have_neon(cpu_flags)) + ff_idctdsp_init_neon(c, avctx, high_bit_depth); +} |