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55 lines
2.2 KiB
55 lines
2.2 KiB
/* |
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* ARM-NEON-optimized IDCT functions |
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com> |
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* Copyright (c) 2017 Matthieu Bouron <matthieu.bouron@gmail.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/attributes.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/arm/cpu.h" |
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#include "libavcodec/avcodec.h" |
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#include "libavcodec/idctdsp.h" |
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#include "idct.h" |
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void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); |
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void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); |
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void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, ptrdiff_t); |
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av_cold void ff_idctdsp_init_aarch64(IDCTDSPContext *c, AVCodecContext *avctx, |
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unsigned high_bit_depth) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_neon(cpu_flags)) { |
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if (!avctx->lowres && !high_bit_depth) { |
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if (avctx->idct_algo == FF_IDCT_AUTO || |
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avctx->idct_algo == FF_IDCT_SIMPLEAUTO || |
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avctx->idct_algo == FF_IDCT_SIMPLENEON) { |
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c->idct_put = ff_simple_idct_put_neon; |
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c->idct_add = ff_simple_idct_add_neon; |
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c->idct = ff_simple_idct_neon; |
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c->perm_type = FF_IDCT_PERM_PARTTRANS; |
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} |
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} |
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c->add_pixels_clamped = ff_add_pixels_clamped_neon; |
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c->put_pixels_clamped = ff_put_pixels_clamped_neon; |
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c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon; |
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} |
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}
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