diff options
Diffstat (limited to 'vp9')
| -rw-r--r-- | vp9/common/vp9_rtcd_defs.pl | 2 | ||||
| -rw-r--r-- | vp9/encoder/arm/neon/vp9_subtract_neon.c | 81 | ||||
| -rw-r--r-- | vp9/vp9cx.mk | 1 |
3 files changed, 83 insertions, 1 deletions
diff --git a/vp9/common/vp9_rtcd_defs.pl b/vp9/common/vp9_rtcd_defs.pl index 3b1ca161d..4602b7b4f 100644 --- a/vp9/common/vp9_rtcd_defs.pl +++ b/vp9/common/vp9_rtcd_defs.pl @@ -712,7 +712,7 @@ add_proto qw/int64_t vp9_block_error/, "const int16_t *coeff, const int16_t *dqc specialize qw/vp9_block_error avx2/, "$sse2_x86inc"; add_proto qw/void vp9_subtract_block/, "int rows, int cols, int16_t *diff_ptr, ptrdiff_t diff_stride, const uint8_t *src_ptr, ptrdiff_t src_stride, const uint8_t *pred_ptr, ptrdiff_t pred_stride"; -specialize qw/vp9_subtract_block/, "$sse2_x86inc"; +specialize qw/vp9_subtract_block neon/, "$sse2_x86inc"; add_proto qw/void vp9_quantize_fp/, "const int16_t *coeff_ptr, intptr_t n_coeffs, int skip_block, const int16_t *zbin_ptr, const int16_t *round_ptr, const int16_t *quant_ptr, const int16_t *quant_shift_ptr, int16_t *qcoeff_ptr, int16_t *dqcoeff_ptr, const int16_t *dequant_ptr, int zbin_oq_value, uint16_t *eob_ptr, const int16_t *scan, const int16_t *iscan"; specialize qw/vp9_quantize_fp neon/, "$ssse3_x86_64"; diff --git a/vp9/encoder/arm/neon/vp9_subtract_neon.c b/vp9/encoder/arm/neon/vp9_subtract_neon.c new file mode 100644 index 000000000..b4bf567db --- /dev/null +++ b/vp9/encoder/arm/neon/vp9_subtract_neon.c @@ -0,0 +1,81 @@ +/* + * Copyright (c) 2014 The WebM project authors. All Rights Reserved. + * + * Use of this source code is governed by a BSD-style license + * that can be found in the LICENSE file in the root of the source + * tree. An additional intellectual property rights grant can be found + * in the file PATENTS. All contributing project authors may + * be found in the AUTHORS file in the root of the source tree. + */ + +#include <arm_neon.h> +#include "./vp9_rtcd.h" +#include "./vpx_config.h" + +#include "vpx/vpx_integer.h" + +void vp9_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; + } + } +} diff --git a/vp9/vp9cx.mk b/vp9/vp9cx.mk index c8e7c5e6d..dc46c4e35 100644 --- a/vp9/vp9cx.mk +++ b/vp9/vp9cx.mk @@ -133,5 +133,6 @@ VP9_CX_SRCS-$(HAVE_NEON) += encoder/arm/neon/vp9_sad_neon.c VP9_CX_SRCS-$(HAVE_NEON) += encoder/arm/neon/vp9_dct_neon.c VP9_CX_SRCS-$(HAVE_NEON) += encoder/arm/neon/vp9_variance_neon.c VP9_CX_SRCS-$(HAVE_NEON) += encoder/arm/neon/vp9_quantize_neon.c +VP9_CX_SRCS-$(HAVE_NEON) += encoder/arm/neon/vp9_subtract_neon.c VP9_CX_SRCS-yes := $(filter-out $(VP9_CX_SRCS_REMOVE-yes),$(VP9_CX_SRCS-yes)) |