diff options
Diffstat (limited to 'ffmpeg/libavcodec/arm/dsputil_init_neon.c')
| -rw-r--r-- | ffmpeg/libavcodec/arm/dsputil_init_neon.c | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/ffmpeg/libavcodec/arm/dsputil_init_neon.c b/ffmpeg/libavcodec/arm/dsputil_init_neon.c new file mode 100644 index 0000000..6d19af7 --- /dev/null +++ b/ffmpeg/libavcodec/arm/dsputil_init_neon.c @@ -0,0 +1,81 @@ +/* + * 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); + +void ff_apply_window_int16_neon(int16_t *dst, const int16_t *src, + const int16_t *window, unsigned n); + +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; + + c->apply_window_int16 = ff_apply_window_int16_neon; +} |