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76 lines
3.0 KiB
76 lines
3.0 KiB
/* |
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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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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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}
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