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author | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
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committer | Matt A. Tobin <email@mattatobin.com> | 2020-04-07 23:30:51 -0400 |
commit | 5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb (patch) | |
tree | 45d55e3e5e73c4255c4d71258d9be5b2d004d28f /third_party/aom/aom_dsp/arm/subtract_neon.c | |
parent | 50f1986697a7412e4160976fa5e11217b4ef1f44 (diff) | |
download | UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.tar UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.tar.gz UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.tar.lz UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.tar.xz UXP-5545a8983ff0ef1fb52e64aef8e66fa9b13c1cbb.zip |
Move aom source to a sub-directory under media/libaom
There is no damned reason to treat this differently than any other media lib given its license and there never was.
Diffstat (limited to 'third_party/aom/aom_dsp/arm/subtract_neon.c')
-rw-r--r-- | third_party/aom/aom_dsp/arm/subtract_neon.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/third_party/aom/aom_dsp/arm/subtract_neon.c b/third_party/aom/aom_dsp/arm/subtract_neon.c deleted file mode 100644 index 28f5ace8e..000000000 --- a/third_party/aom/aom_dsp/arm/subtract_neon.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Copyright (c) 2016, Alliance for Open Media. All rights reserved - * - * This source code is subject to the terms of the BSD 2 Clause License and - * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License - * was not distributed with this source code in the LICENSE file, you can - * obtain it at www.aomedia.org/license/software. If the Alliance for Open - * Media Patent License 1.0 was not distributed with this source code in the - * PATENTS file, you can obtain it at www.aomedia.org/license/patent. - */ - -#include <arm_neon.h> - -#include "config/aom_config.h" - -#include "aom/aom_integer.h" - -void aom_subtract_block_neon(int rows, int cols, int16_t *diff, - ptrdiff_t diff_stride, const uint8_t *src, - ptrdiff_t src_stride, const uint8_t *pred, - ptrdiff_t pred_stride) { - int r, c; - - if (cols > 16) { - for (r = 0; r < rows; ++r) { - for (c = 0; c < cols; c += 32) { - const uint8x16_t v_src_00 = vld1q_u8(&src[c + 0]); - const uint8x16_t v_src_16 = vld1q_u8(&src[c + 16]); - const uint8x16_t v_pred_00 = vld1q_u8(&pred[c + 0]); - const uint8x16_t v_pred_16 = vld1q_u8(&pred[c + 16]); - const uint16x8_t v_diff_lo_00 = - vsubl_u8(vget_low_u8(v_src_00), vget_low_u8(v_pred_00)); - const uint16x8_t v_diff_hi_00 = - vsubl_u8(vget_high_u8(v_src_00), vget_high_u8(v_pred_00)); - const uint16x8_t v_diff_lo_16 = - vsubl_u8(vget_low_u8(v_src_16), vget_low_u8(v_pred_16)); - const uint16x8_t v_diff_hi_16 = - vsubl_u8(vget_high_u8(v_src_16), vget_high_u8(v_pred_16)); - vst1q_s16(&diff[c + 0], vreinterpretq_s16_u16(v_diff_lo_00)); - vst1q_s16(&diff[c + 8], vreinterpretq_s16_u16(v_diff_hi_00)); - vst1q_s16(&diff[c + 16], vreinterpretq_s16_u16(v_diff_lo_16)); - vst1q_s16(&diff[c + 24], vreinterpretq_s16_u16(v_diff_hi_16)); - } - diff += diff_stride; - pred += pred_stride; - src += src_stride; - } - } else if (cols > 8) { - for (r = 0; r < rows; ++r) { - const uint8x16_t v_src = vld1q_u8(&src[0]); - const uint8x16_t v_pred = vld1q_u8(&pred[0]); - const uint16x8_t v_diff_lo = - vsubl_u8(vget_low_u8(v_src), vget_low_u8(v_pred)); - const uint16x8_t v_diff_hi = - vsubl_u8(vget_high_u8(v_src), vget_high_u8(v_pred)); - vst1q_s16(&diff[0], vreinterpretq_s16_u16(v_diff_lo)); - vst1q_s16(&diff[8], vreinterpretq_s16_u16(v_diff_hi)); - diff += diff_stride; - pred += pred_stride; - src += src_stride; - } - } else if (cols > 4) { - for (r = 0; r < rows; ++r) { - const uint8x8_t v_src = vld1_u8(&src[0]); - const uint8x8_t v_pred = vld1_u8(&pred[0]); - const uint16x8_t v_diff = vsubl_u8(v_src, v_pred); - vst1q_s16(&diff[0], vreinterpretq_s16_u16(v_diff)); - diff += diff_stride; - pred += pred_stride; - src += src_stride; - } - } else { - for (r = 0; r < rows; ++r) { - for (c = 0; c < cols; ++c) diff[c] = src[c] - pred[c]; - - diff += diff_stride; - pred += pred_stride; - src += src_stride; - } - } -} |