yading@10: /*
yading@10:  * ARM NEON optimised DSP functions
yading@10:  * Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
yading@10:  *
yading@10:  * This file is part of FFmpeg.
yading@10:  *
yading@10:  * FFmpeg is free software; you can redistribute it and/or
yading@10:  * modify it under the terms of the GNU Lesser General Public
yading@10:  * License as published by the Free Software Foundation; either
yading@10:  * version 2.1 of the License, or (at your option) any later version.
yading@10:  *
yading@10:  * FFmpeg is distributed in the hope that it will be useful,
yading@10:  * but WITHOUT ANY WARRANTY; without even the implied warranty of
yading@10:  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
yading@10:  * Lesser General Public License for more details.
yading@10:  *
yading@10:  * You should have received a copy of the GNU Lesser General Public
yading@10:  * License along with FFmpeg; if not, write to the Free Software
yading@10:  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
yading@10:  */
yading@10: 
yading@10: #include <stdint.h>
yading@10: 
yading@10: #include "libavutil/attributes.h"
yading@10: #include "libavcodec/avcodec.h"
yading@10: #include "dsputil_arm.h"
yading@10: 
yading@10: void ff_simple_idct_neon(int16_t *data);
yading@10: void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data);
yading@10: void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data);
yading@10: 
yading@10: void ff_clear_block_neon(int16_t *block);
yading@10: void ff_clear_blocks_neon(int16_t *blocks);
yading@10: 
yading@10: void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int);
yading@10: void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int);
yading@10: void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int);
yading@10: 
yading@10: void ff_vector_clipf_neon(float *dst, const float *src, float min, float max,
yading@10:                           int len);
yading@10: void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min,
yading@10:                                int32_t max, unsigned int len);
yading@10: 
yading@10: int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len);
yading@10: int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2,
yading@10:                                              const int16_t *v3, int len, int mul);
yading@10: 
yading@10: void ff_apply_window_int16_neon(int16_t *dst, const int16_t *src,
yading@10:                                 const int16_t *window, unsigned n);
yading@10: 
yading@10: av_cold void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
yading@10: {
yading@10:     const int high_bit_depth = avctx->bits_per_raw_sample > 8;
yading@10: 
yading@10:     if (!avctx->lowres && avctx->bits_per_raw_sample <= 8) {
yading@10:         if (avctx->idct_algo == FF_IDCT_AUTO ||
yading@10:             avctx->idct_algo == FF_IDCT_SIMPLENEON) {
yading@10:             c->idct_put              = ff_simple_idct_put_neon;
yading@10:             c->idct_add              = ff_simple_idct_add_neon;
yading@10:             c->idct                  = ff_simple_idct_neon;
yading@10:             c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM;
yading@10:         }
yading@10:     }
yading@10: 
yading@10:     if (!high_bit_depth) {
yading@10:         c->clear_block  = ff_clear_block_neon;
yading@10:         c->clear_blocks = ff_clear_blocks_neon;
yading@10:     }
yading@10: 
yading@10:     c->add_pixels_clamped = ff_add_pixels_clamped_neon;
yading@10:     c->put_pixels_clamped = ff_put_pixels_clamped_neon;
yading@10:     c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon;
yading@10: 
yading@10:     c->vector_clipf               = ff_vector_clipf_neon;
yading@10:     c->vector_clip_int32          = ff_vector_clip_int32_neon;
yading@10: 
yading@10:     c->scalarproduct_int16 = ff_scalarproduct_int16_neon;
yading@10:     c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_neon;
yading@10: 
yading@10:     c->apply_window_int16 = ff_apply_window_int16_neon;
yading@10: }