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https://github.com/FFmpeg/FFmpeg.git
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82 lines
3.2 KiB
C
82 lines
3.2 KiB
C
/*
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* ARM NEON optimised DSP functions
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* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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*
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* This file is part of Libav.
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*
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* Libav 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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* Libav 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 Libav; 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 <stdint.h>
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#include "libavutil/attributes.h"
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#include "libavcodec/avcodec.h"
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#include "dsputil_arm.h"
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void ff_simple_idct_neon(int16_t *data);
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void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data);
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void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data);
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void ff_clear_block_neon(int16_t *block);
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void ff_clear_blocks_neon(int16_t *blocks);
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void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int);
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void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int);
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void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int);
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void ff_vector_clipf_neon(float *dst, const float *src, float min, float max,
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int len);
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void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min,
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int32_t max, unsigned int len);
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int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len);
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int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2,
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const int16_t *v3, int len, int mul);
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void ff_apply_window_int16_neon(int16_t *dst, const int16_t *src,
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const int16_t *window, unsigned n);
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av_cold void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
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{
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const int high_bit_depth = avctx->bits_per_raw_sample > 8;
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if (avctx->bits_per_raw_sample <= 8) {
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if (avctx->idct_algo == FF_IDCT_AUTO ||
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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->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
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}
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}
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if (!high_bit_depth) {
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c->clear_block = ff_clear_block_neon;
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c->clear_blocks = ff_clear_blocks_neon;
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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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c->vector_clipf = ff_vector_clipf_neon;
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c->vector_clip_int32 = ff_vector_clip_int32_neon;
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c->scalarproduct_int16 = ff_scalarproduct_int16_neon;
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c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_neon;
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c->apply_window_int16 = ff_apply_window_int16_neon;
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}
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