diff options
Diffstat (limited to 'media/libvpx/libvpx/vp9/common/arm/neon/vp9_highbd_iht4x4_add_neon.c')
| -rw-r--r-- | media/libvpx/libvpx/vp9/common/arm/neon/vp9_highbd_iht4x4_add_neon.c | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/media/libvpx/libvpx/vp9/common/arm/neon/vp9_highbd_iht4x4_add_neon.c b/media/libvpx/libvpx/vp9/common/arm/neon/vp9_highbd_iht4x4_add_neon.c new file mode 100644 index 0000000000..52c4f1937d --- /dev/null +++ b/media/libvpx/libvpx/vp9/common/arm/neon/vp9_highbd_iht4x4_add_neon.c @@ -0,0 +1,181 @@ +/* + * Copyright (c) 2018 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 <assert.h> + +#include "./vp9_rtcd.h" +#include "./vpx_config.h" +#include "vp9/common/vp9_common.h" +#include "vp9/common/arm/neon/vp9_iht_neon.h" +#include "vpx_dsp/arm/highbd_idct_neon.h" +#include "vpx_dsp/arm/idct_neon.h" +#include "vpx_dsp/arm/mem_neon.h" +#include "vpx_dsp/txfm_common.h" + +static INLINE void highbd_iadst4(int32x4_t *const io) { + const int32_t sinpis[4] = { sinpi_1_9, sinpi_2_9, sinpi_3_9, sinpi_4_9 }; + const int32x4_t sinpi = vld1q_s32(sinpis); + int64x2x2_t s[7], t[4]; + int32x4_t s7; + + s[0].val[0] = vmull_lane_s32(vget_low_s32(io[0]), vget_low_s32(sinpi), 0); + s[0].val[1] = vmull_lane_s32(vget_high_s32(io[0]), vget_low_s32(sinpi), 0); + s[1].val[0] = vmull_lane_s32(vget_low_s32(io[0]), vget_low_s32(sinpi), 1); + s[1].val[1] = vmull_lane_s32(vget_high_s32(io[0]), vget_low_s32(sinpi), 1); + s[2].val[0] = vmull_lane_s32(vget_low_s32(io[1]), vget_high_s32(sinpi), 0); + s[2].val[1] = vmull_lane_s32(vget_high_s32(io[1]), vget_high_s32(sinpi), 0); + s[3].val[0] = vmull_lane_s32(vget_low_s32(io[2]), vget_high_s32(sinpi), 1); + s[3].val[1] = vmull_lane_s32(vget_high_s32(io[2]), vget_high_s32(sinpi), 1); + s[4].val[0] = vmull_lane_s32(vget_low_s32(io[2]), vget_low_s32(sinpi), 0); + s[4].val[1] = vmull_lane_s32(vget_high_s32(io[2]), vget_low_s32(sinpi), 0); + s[5].val[0] = vmull_lane_s32(vget_low_s32(io[3]), vget_low_s32(sinpi), 1); + s[5].val[1] = vmull_lane_s32(vget_high_s32(io[3]), vget_low_s32(sinpi), 1); + s[6].val[0] = vmull_lane_s32(vget_low_s32(io[3]), vget_high_s32(sinpi), 1); + s[6].val[1] = vmull_lane_s32(vget_high_s32(io[3]), vget_high_s32(sinpi), 1); + s7 = vsubq_s32(io[0], io[2]); + s7 = vaddq_s32(s7, io[3]); + + s[0].val[0] = vaddq_s64(s[0].val[0], s[3].val[0]); + s[0].val[1] = vaddq_s64(s[0].val[1], s[3].val[1]); + s[0].val[0] = vaddq_s64(s[0].val[0], s[5].val[0]); + s[0].val[1] = vaddq_s64(s[0].val[1], s[5].val[1]); + s[1].val[0] = vsubq_s64(s[1].val[0], s[4].val[0]); + s[1].val[1] = vsubq_s64(s[1].val[1], s[4].val[1]); + s[1].val[0] = vsubq_s64(s[1].val[0], s[6].val[0]); + s[1].val[1] = vsubq_s64(s[1].val[1], s[6].val[1]); + s[3] = s[2]; + s[2].val[0] = vmull_lane_s32(vget_low_s32(s7), vget_high_s32(sinpi), 0); + s[2].val[1] = vmull_lane_s32(vget_high_s32(s7), vget_high_s32(sinpi), 0); + + t[0].val[0] = vaddq_s64(s[0].val[0], s[3].val[0]); + t[0].val[1] = vaddq_s64(s[0].val[1], s[3].val[1]); + t[1].val[0] = vaddq_s64(s[1].val[0], s[3].val[0]); + t[1].val[1] = vaddq_s64(s[1].val[1], s[3].val[1]); + t[2] = s[2]; + t[3].val[0] = vaddq_s64(s[0].val[0], s[1].val[0]); + t[3].val[1] = vaddq_s64(s[0].val[1], s[1].val[1]); + t[3].val[0] = vsubq_s64(t[3].val[0], s[3].val[0]); + t[3].val[1] = vsubq_s64(t[3].val[1], s[3].val[1]); + io[0] = vcombine_s32(vrshrn_n_s64(t[0].val[0], DCT_CONST_BITS), + vrshrn_n_s64(t[0].val[1], DCT_CONST_BITS)); + io[1] = vcombine_s32(vrshrn_n_s64(t[1].val[0], DCT_CONST_BITS), + vrshrn_n_s64(t[1].val[1], DCT_CONST_BITS)); + io[2] = vcombine_s32(vrshrn_n_s64(t[2].val[0], DCT_CONST_BITS), + vrshrn_n_s64(t[2].val[1], DCT_CONST_BITS)); + io[3] = vcombine_s32(vrshrn_n_s64(t[3].val[0], DCT_CONST_BITS), + vrshrn_n_s64(t[3].val[1], DCT_CONST_BITS)); +} + +void vp9_highbd_iht4x4_16_add_neon(const tran_low_t *input, uint16_t *dest, + int stride, int tx_type, int bd) { + const int16x8_t max = vdupq_n_s16((1 << bd) - 1); + int16x8_t a[2]; + int32x4_t c[4]; + + c[0] = vld1q_s32(input); + c[1] = vld1q_s32(input + 4); + c[2] = vld1q_s32(input + 8); + c[3] = vld1q_s32(input + 12); + + if (bd == 8) { + a[0] = vcombine_s16(vmovn_s32(c[0]), vmovn_s32(c[1])); + a[1] = vcombine_s16(vmovn_s32(c[2]), vmovn_s32(c[3])); + transpose_s16_4x4q(&a[0], &a[1]); + + switch (tx_type) { + case DCT_DCT: + idct4x4_16_kernel_bd8(a); + a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1])); + transpose_s16_4x4q(&a[0], &a[1]); + idct4x4_16_kernel_bd8(a); + a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1])); + break; + + case ADST_DCT: + idct4x4_16_kernel_bd8(a); + a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1])); + transpose_s16_4x4q(&a[0], &a[1]); + iadst4(a); + break; + + case DCT_ADST: + iadst4(a); + transpose_s16_4x4q(&a[0], &a[1]); + idct4x4_16_kernel_bd8(a); + a[1] = vcombine_s16(vget_high_s16(a[1]), vget_low_s16(a[1])); + break; + + default: + assert(tx_type == ADST_ADST); + iadst4(a); + transpose_s16_4x4q(&a[0], &a[1]); + iadst4(a); + break; + } + a[0] = vrshrq_n_s16(a[0], 4); + a[1] = vrshrq_n_s16(a[1], 4); + } else { + switch (tx_type) { + case DCT_DCT: { + const int32x4_t cospis = vld1q_s32(kCospi32); + + if (bd == 10) { + idct4x4_16_kernel_bd10(cospis, c); + idct4x4_16_kernel_bd10(cospis, c); + } else { + idct4x4_16_kernel_bd12(cospis, c); + idct4x4_16_kernel_bd12(cospis, c); + } + break; + } + + case ADST_DCT: { + const int32x4_t cospis = vld1q_s32(kCospi32); + + if (bd == 10) { + idct4x4_16_kernel_bd10(cospis, c); + } else { + idct4x4_16_kernel_bd12(cospis, c); + } + transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]); + highbd_iadst4(c); + break; + } + + case DCT_ADST: { + const int32x4_t cospis = vld1q_s32(kCospi32); + + transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]); + highbd_iadst4(c); + if (bd == 10) { + idct4x4_16_kernel_bd10(cospis, c); + } else { + idct4x4_16_kernel_bd12(cospis, c); + } + break; + } + + default: { + assert(tx_type == ADST_ADST); + transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]); + highbd_iadst4(c); + transpose_s32_4x4(&c[0], &c[1], &c[2], &c[3]); + highbd_iadst4(c); + break; + } + } + a[0] = vcombine_s16(vqrshrn_n_s32(c[0], 4), vqrshrn_n_s32(c[1], 4)); + a[1] = vcombine_s16(vqrshrn_n_s32(c[2], 4), vqrshrn_n_s32(c[3], 4)); + } + + highbd_idct4x4_1_add_kernel1(&dest, stride, a[0], max); + highbd_idct4x4_1_add_kernel1(&dest, stride, a[1], max); +} |