/* * ARM NEON optimised DSP functions * Copyright (c) 2008 Mans Rullgard <mans@mansr.com> * * 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 <stdint.h> #include "libavutil/attributes.h" #include "libavcodec/avcodec.h" #include "dsputil_arm.h" void ff_simple_idct_neon(int16_t *data); void ff_simple_idct_put_neon(uint8_t *dest, int line_size, int16_t *data); void ff_simple_idct_add_neon(uint8_t *dest, int line_size, int16_t *data); void ff_clear_block_neon(int16_t *block); void ff_clear_blocks_neon(int16_t *blocks); void ff_add_pixels_clamped_neon(const int16_t *, uint8_t *, int); void ff_put_pixels_clamped_neon(const int16_t *, uint8_t *, int); void ff_put_signed_pixels_clamped_neon(const int16_t *, uint8_t *, int); void ff_vector_clipf_neon(float *dst, const float *src, float min, float max, int len); void ff_vector_clip_int32_neon(int32_t *dst, const int32_t *src, int32_t min, int32_t max, unsigned int len); int32_t ff_scalarproduct_int16_neon(const int16_t *v1, const int16_t *v2, int len); int32_t ff_scalarproduct_and_madd_int16_neon(int16_t *v1, const int16_t *v2, const int16_t *v3, int len, int mul); av_cold void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx) { const int high_bit_depth = avctx->bits_per_raw_sample > 8; if (!avctx->lowres && avctx->bits_per_raw_sample <= 8) { if (avctx->idct_algo == FF_IDCT_AUTO || avctx->idct_algo == FF_IDCT_SIMPLENEON) { c->idct_put = ff_simple_idct_put_neon; c->idct_add = ff_simple_idct_add_neon; c->idct = ff_simple_idct_neon; c->idct_permutation_type = FF_PARTTRANS_IDCT_PERM; } } if (!high_bit_depth) { c->clear_block = ff_clear_block_neon; c->clear_blocks = ff_clear_blocks_neon; } c->add_pixels_clamped = ff_add_pixels_clamped_neon; c->put_pixels_clamped = ff_put_pixels_clamped_neon; c->put_signed_pixels_clamped = ff_put_signed_pixels_clamped_neon; c->vector_clipf = ff_vector_clipf_neon; c->vector_clip_int32 = ff_vector_clip_int32_neon; c->scalarproduct_int16 = ff_scalarproduct_int16_neon; c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_neon; }