diff options
Diffstat (limited to 'thirdparty/libvpx/vp9/common/arm')
| -rw-r--r-- | thirdparty/libvpx/vp9/common/arm/neon/vp9_iht4x4_add_neon.c | 248 | ||||
| -rw-r--r-- | thirdparty/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c | 624 |
2 files changed, 872 insertions, 0 deletions
diff --git a/thirdparty/libvpx/vp9/common/arm/neon/vp9_iht4x4_add_neon.c b/thirdparty/libvpx/vp9/common/arm/neon/vp9_iht4x4_add_neon.c new file mode 100644 index 0000000000..1761fada2f --- /dev/null +++ b/thirdparty/libvpx/vp9/common/arm/neon/vp9_iht4x4_add_neon.c @@ -0,0 +1,248 @@ +/* + * 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 <assert.h> + +#include "./vp9_rtcd.h" +#include "./vpx_config.h" +#include "vp9/common/vp9_common.h" + +static int16_t sinpi_1_9 = 0x14a3; +static int16_t sinpi_2_9 = 0x26c9; +static int16_t sinpi_3_9 = 0x3441; +static int16_t sinpi_4_9 = 0x3b6c; +static int16_t cospi_8_64 = 0x3b21; +static int16_t cospi_16_64 = 0x2d41; +static int16_t cospi_24_64 = 0x187e; + +static INLINE void TRANSPOSE4X4( + int16x8_t *q8s16, + int16x8_t *q9s16) { + int32x4_t q8s32, q9s32; + int16x4x2_t d0x2s16, d1x2s16; + int32x4x2_t q0x2s32; + + d0x2s16 = vtrn_s16(vget_low_s16(*q8s16), vget_high_s16(*q8s16)); + d1x2s16 = vtrn_s16(vget_low_s16(*q9s16), vget_high_s16(*q9s16)); + + q8s32 = vreinterpretq_s32_s16(vcombine_s16(d0x2s16.val[0], d0x2s16.val[1])); + q9s32 = vreinterpretq_s32_s16(vcombine_s16(d1x2s16.val[0], d1x2s16.val[1])); + q0x2s32 = vtrnq_s32(q8s32, q9s32); + + *q8s16 = vreinterpretq_s16_s32(q0x2s32.val[0]); + *q9s16 = vreinterpretq_s16_s32(q0x2s32.val[1]); + return; +} + +static INLINE void GENERATE_COSINE_CONSTANTS( + int16x4_t *d0s16, + int16x4_t *d1s16, + int16x4_t *d2s16) { + *d0s16 = vdup_n_s16(cospi_8_64); + *d1s16 = vdup_n_s16(cospi_16_64); + *d2s16 = vdup_n_s16(cospi_24_64); + return; +} + +static INLINE void GENERATE_SINE_CONSTANTS( + int16x4_t *d3s16, + int16x4_t *d4s16, + int16x4_t *d5s16, + int16x8_t *q3s16) { + *d3s16 = vdup_n_s16(sinpi_1_9); + *d4s16 = vdup_n_s16(sinpi_2_9); + *q3s16 = vdupq_n_s16(sinpi_3_9); + *d5s16 = vdup_n_s16(sinpi_4_9); + return; +} + +static INLINE void IDCT4x4_1D( + int16x4_t *d0s16, + int16x4_t *d1s16, + int16x4_t *d2s16, + int16x8_t *q8s16, + int16x8_t *q9s16) { + int16x4_t d16s16, d17s16, d18s16, d19s16, d23s16, d24s16; + int16x4_t d26s16, d27s16, d28s16, d29s16; + int32x4_t q10s32, q13s32, q14s32, q15s32; + int16x8_t q13s16, q14s16; + + d16s16 = vget_low_s16(*q8s16); + d17s16 = vget_high_s16(*q8s16); + d18s16 = vget_low_s16(*q9s16); + d19s16 = vget_high_s16(*q9s16); + + d23s16 = vadd_s16(d16s16, d18s16); + d24s16 = vsub_s16(d16s16, d18s16); + + q15s32 = vmull_s16(d17s16, *d2s16); + q10s32 = vmull_s16(d17s16, *d0s16); + q13s32 = vmull_s16(d23s16, *d1s16); + q14s32 = vmull_s16(d24s16, *d1s16); + q15s32 = vmlsl_s16(q15s32, d19s16, *d0s16); + q10s32 = vmlal_s16(q10s32, d19s16, *d2s16); + + d26s16 = vqrshrn_n_s32(q13s32, 14); + d27s16 = vqrshrn_n_s32(q14s32, 14); + d29s16 = vqrshrn_n_s32(q15s32, 14); + d28s16 = vqrshrn_n_s32(q10s32, 14); + + q13s16 = vcombine_s16(d26s16, d27s16); + q14s16 = vcombine_s16(d28s16, d29s16); + *q8s16 = vaddq_s16(q13s16, q14s16); + *q9s16 = vsubq_s16(q13s16, q14s16); + *q9s16 = vcombine_s16(vget_high_s16(*q9s16), + vget_low_s16(*q9s16)); // vswp + return; +} + +static INLINE void IADST4x4_1D( + int16x4_t *d3s16, + int16x4_t *d4s16, + int16x4_t *d5s16, + int16x8_t *q3s16, + int16x8_t *q8s16, + int16x8_t *q9s16) { + int16x4_t d6s16, d16s16, d17s16, d18s16, d19s16; + int32x4_t q8s32, q9s32, q10s32, q11s32, q12s32, q13s32, q14s32, q15s32; + + d6s16 = vget_low_s16(*q3s16); + + d16s16 = vget_low_s16(*q8s16); + d17s16 = vget_high_s16(*q8s16); + d18s16 = vget_low_s16(*q9s16); + d19s16 = vget_high_s16(*q9s16); + + q10s32 = vmull_s16(*d3s16, d16s16); + q11s32 = vmull_s16(*d4s16, d16s16); + q12s32 = vmull_s16(d6s16, d17s16); + q13s32 = vmull_s16(*d5s16, d18s16); + q14s32 = vmull_s16(*d3s16, d18s16); + q15s32 = vmovl_s16(d16s16); + q15s32 = vaddw_s16(q15s32, d19s16); + q8s32 = vmull_s16(*d4s16, d19s16); + q15s32 = vsubw_s16(q15s32, d18s16); + q9s32 = vmull_s16(*d5s16, d19s16); + + q10s32 = vaddq_s32(q10s32, q13s32); + q10s32 = vaddq_s32(q10s32, q8s32); + q11s32 = vsubq_s32(q11s32, q14s32); + q8s32 = vdupq_n_s32(sinpi_3_9); + q11s32 = vsubq_s32(q11s32, q9s32); + q15s32 = vmulq_s32(q15s32, q8s32); + + q13s32 = vaddq_s32(q10s32, q12s32); + q10s32 = vaddq_s32(q10s32, q11s32); + q14s32 = vaddq_s32(q11s32, q12s32); + q10s32 = vsubq_s32(q10s32, q12s32); + + d16s16 = vqrshrn_n_s32(q13s32, 14); + d17s16 = vqrshrn_n_s32(q14s32, 14); + d18s16 = vqrshrn_n_s32(q15s32, 14); + d19s16 = vqrshrn_n_s32(q10s32, 14); + + *q8s16 = vcombine_s16(d16s16, d17s16); + *q9s16 = vcombine_s16(d18s16, d19s16); + return; +} + +void vp9_iht4x4_16_add_neon(const tran_low_t *input, uint8_t *dest, + int dest_stride, int tx_type) { + uint8x8_t d26u8, d27u8; + int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16; + uint32x2_t d26u32, d27u32; + int16x8_t q3s16, q8s16, q9s16; + uint16x8_t q8u16, q9u16; + + d26u32 = d27u32 = vdup_n_u32(0); + + q8s16 = vld1q_s16(input); + q9s16 = vld1q_s16(input + 8); + + TRANSPOSE4X4(&q8s16, &q9s16); + + switch (tx_type) { + case 0: // idct_idct is not supported. Fall back to C + vp9_iht4x4_16_add_c(input, dest, dest_stride, tx_type); + return; + break; + case 1: // iadst_idct + // generate constants + GENERATE_COSINE_CONSTANTS(&d0s16, &d1s16, &d2s16); + GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16); + + // first transform rows + IDCT4x4_1D(&d0s16, &d1s16, &d2s16, &q8s16, &q9s16); + + // transpose the matrix + TRANSPOSE4X4(&q8s16, &q9s16); + + // then transform columns + IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16); + break; + case 2: // idct_iadst + // generate constantsyy + GENERATE_COSINE_CONSTANTS(&d0s16, &d1s16, &d2s16); + GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16); + + // first transform rows + IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16); + + // transpose the matrix + TRANSPOSE4X4(&q8s16, &q9s16); + + // then transform columns + IDCT4x4_1D(&d0s16, &d1s16, &d2s16, &q8s16, &q9s16); + break; + case 3: // iadst_iadst + // generate constants + GENERATE_SINE_CONSTANTS(&d3s16, &d4s16, &d5s16, &q3s16); + + // first transform rows + IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16); + + // transpose the matrix + TRANSPOSE4X4(&q8s16, &q9s16); + + // then transform columns + IADST4x4_1D(&d3s16, &d4s16, &d5s16, &q3s16, &q8s16, &q9s16); + break; + default: // iadst_idct + assert(0); + break; + } + + q8s16 = vrshrq_n_s16(q8s16, 4); + q9s16 = vrshrq_n_s16(q9s16, 4); + + d26u32 = vld1_lane_u32((const uint32_t *)dest, d26u32, 0); + dest += dest_stride; + d26u32 = vld1_lane_u32((const uint32_t *)dest, d26u32, 1); + dest += dest_stride; + d27u32 = vld1_lane_u32((const uint32_t *)dest, d27u32, 0); + dest += dest_stride; + d27u32 = vld1_lane_u32((const uint32_t *)dest, d27u32, 1); + + q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), vreinterpret_u8_u32(d26u32)); + q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), vreinterpret_u8_u32(d27u32)); + + d26u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16)); + d27u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16)); + + vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d27u8), 1); + dest -= dest_stride; + vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d27u8), 0); + dest -= dest_stride; + vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d26u8), 1); + dest -= dest_stride; + vst1_lane_u32((uint32_t *)dest, vreinterpret_u32_u8(d26u8), 0); + return; +} diff --git a/thirdparty/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c b/thirdparty/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c new file mode 100644 index 0000000000..04b342c3d3 --- /dev/null +++ b/thirdparty/libvpx/vp9/common/arm/neon/vp9_iht8x8_add_neon.c @@ -0,0 +1,624 @@ +/* + * 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 <assert.h> + +#include "./vp9_rtcd.h" +#include "./vpx_config.h" +#include "vp9/common/vp9_common.h" + +static int16_t cospi_2_64 = 16305; +static int16_t cospi_4_64 = 16069; +static int16_t cospi_6_64 = 15679; +static int16_t cospi_8_64 = 15137; +static int16_t cospi_10_64 = 14449; +static int16_t cospi_12_64 = 13623; +static int16_t cospi_14_64 = 12665; +static int16_t cospi_16_64 = 11585; +static int16_t cospi_18_64 = 10394; +static int16_t cospi_20_64 = 9102; +static int16_t cospi_22_64 = 7723; +static int16_t cospi_24_64 = 6270; +static int16_t cospi_26_64 = 4756; +static int16_t cospi_28_64 = 3196; +static int16_t cospi_30_64 = 1606; + +static INLINE void TRANSPOSE8X8( + int16x8_t *q8s16, + int16x8_t *q9s16, + int16x8_t *q10s16, + int16x8_t *q11s16, + int16x8_t *q12s16, + int16x8_t *q13s16, + int16x8_t *q14s16, + int16x8_t *q15s16) { + int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; + int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; + int32x4x2_t q0x2s32, q1x2s32, q2x2s32, q3x2s32; + int16x8x2_t q0x2s16, q1x2s16, q2x2s16, q3x2s16; + + d16s16 = vget_low_s16(*q8s16); + d17s16 = vget_high_s16(*q8s16); + d18s16 = vget_low_s16(*q9s16); + d19s16 = vget_high_s16(*q9s16); + d20s16 = vget_low_s16(*q10s16); + d21s16 = vget_high_s16(*q10s16); + d22s16 = vget_low_s16(*q11s16); + d23s16 = vget_high_s16(*q11s16); + d24s16 = vget_low_s16(*q12s16); + d25s16 = vget_high_s16(*q12s16); + d26s16 = vget_low_s16(*q13s16); + d27s16 = vget_high_s16(*q13s16); + d28s16 = vget_low_s16(*q14s16); + d29s16 = vget_high_s16(*q14s16); + d30s16 = vget_low_s16(*q15s16); + d31s16 = vget_high_s16(*q15s16); + + *q8s16 = vcombine_s16(d16s16, d24s16); // vswp d17, d24 + *q9s16 = vcombine_s16(d18s16, d26s16); // vswp d19, d26 + *q10s16 = vcombine_s16(d20s16, d28s16); // vswp d21, d28 + *q11s16 = vcombine_s16(d22s16, d30s16); // vswp d23, d30 + *q12s16 = vcombine_s16(d17s16, d25s16); + *q13s16 = vcombine_s16(d19s16, d27s16); + *q14s16 = vcombine_s16(d21s16, d29s16); + *q15s16 = vcombine_s16(d23s16, d31s16); + + q0x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q8s16), + vreinterpretq_s32_s16(*q10s16)); + q1x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q9s16), + vreinterpretq_s32_s16(*q11s16)); + q2x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q12s16), + vreinterpretq_s32_s16(*q14s16)); + q3x2s32 = vtrnq_s32(vreinterpretq_s32_s16(*q13s16), + vreinterpretq_s32_s16(*q15s16)); + + q0x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[0]), // q8 + vreinterpretq_s16_s32(q1x2s32.val[0])); // q9 + q1x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q0x2s32.val[1]), // q10 + vreinterpretq_s16_s32(q1x2s32.val[1])); // q11 + q2x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[0]), // q12 + vreinterpretq_s16_s32(q3x2s32.val[0])); // q13 + q3x2s16 = vtrnq_s16(vreinterpretq_s16_s32(q2x2s32.val[1]), // q14 + vreinterpretq_s16_s32(q3x2s32.val[1])); // q15 + + *q8s16 = q0x2s16.val[0]; + *q9s16 = q0x2s16.val[1]; + *q10s16 = q1x2s16.val[0]; + *q11s16 = q1x2s16.val[1]; + *q12s16 = q2x2s16.val[0]; + *q13s16 = q2x2s16.val[1]; + *q14s16 = q3x2s16.val[0]; + *q15s16 = q3x2s16.val[1]; + return; +} + +static INLINE void IDCT8x8_1D( + int16x8_t *q8s16, + int16x8_t *q9s16, + int16x8_t *q10s16, + int16x8_t *q11s16, + int16x8_t *q12s16, + int16x8_t *q13s16, + int16x8_t *q14s16, + int16x8_t *q15s16) { + int16x4_t d0s16, d1s16, d2s16, d3s16; + int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; + int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; + int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; + int16x8_t q0s16, q1s16, q2s16, q3s16, q4s16, q5s16, q6s16, q7s16; + int32x4_t q2s32, q3s32, q5s32, q6s32, q8s32, q9s32; + int32x4_t q10s32, q11s32, q12s32, q13s32, q15s32; + + d0s16 = vdup_n_s16(cospi_28_64); + d1s16 = vdup_n_s16(cospi_4_64); + d2s16 = vdup_n_s16(cospi_12_64); + d3s16 = vdup_n_s16(cospi_20_64); + + d16s16 = vget_low_s16(*q8s16); + d17s16 = vget_high_s16(*q8s16); + d18s16 = vget_low_s16(*q9s16); + d19s16 = vget_high_s16(*q9s16); + d20s16 = vget_low_s16(*q10s16); + d21s16 = vget_high_s16(*q10s16); + d22s16 = vget_low_s16(*q11s16); + d23s16 = vget_high_s16(*q11s16); + d24s16 = vget_low_s16(*q12s16); + d25s16 = vget_high_s16(*q12s16); + d26s16 = vget_low_s16(*q13s16); + d27s16 = vget_high_s16(*q13s16); + d28s16 = vget_low_s16(*q14s16); + d29s16 = vget_high_s16(*q14s16); + d30s16 = vget_low_s16(*q15s16); + d31s16 = vget_high_s16(*q15s16); + + q2s32 = vmull_s16(d18s16, d0s16); + q3s32 = vmull_s16(d19s16, d0s16); + q5s32 = vmull_s16(d26s16, d2s16); + q6s32 = vmull_s16(d27s16, d2s16); + + q2s32 = vmlsl_s16(q2s32, d30s16, d1s16); + q3s32 = vmlsl_s16(q3s32, d31s16, d1s16); + q5s32 = vmlsl_s16(q5s32, d22s16, d3s16); + q6s32 = vmlsl_s16(q6s32, d23s16, d3s16); + + d8s16 = vqrshrn_n_s32(q2s32, 14); + d9s16 = vqrshrn_n_s32(q3s32, 14); + d10s16 = vqrshrn_n_s32(q5s32, 14); + d11s16 = vqrshrn_n_s32(q6s32, 14); + q4s16 = vcombine_s16(d8s16, d9s16); + q5s16 = vcombine_s16(d10s16, d11s16); + + q2s32 = vmull_s16(d18s16, d1s16); + q3s32 = vmull_s16(d19s16, d1s16); + q9s32 = vmull_s16(d26s16, d3s16); + q13s32 = vmull_s16(d27s16, d3s16); + + q2s32 = vmlal_s16(q2s32, d30s16, d0s16); + q3s32 = vmlal_s16(q3s32, d31s16, d0s16); + q9s32 = vmlal_s16(q9s32, d22s16, d2s16); + q13s32 = vmlal_s16(q13s32, d23s16, d2s16); + + d14s16 = vqrshrn_n_s32(q2s32, 14); + d15s16 = vqrshrn_n_s32(q3s32, 14); + d12s16 = vqrshrn_n_s32(q9s32, 14); + d13s16 = vqrshrn_n_s32(q13s32, 14); + q6s16 = vcombine_s16(d12s16, d13s16); + q7s16 = vcombine_s16(d14s16, d15s16); + + d0s16 = vdup_n_s16(cospi_16_64); + + q2s32 = vmull_s16(d16s16, d0s16); + q3s32 = vmull_s16(d17s16, d0s16); + q13s32 = vmull_s16(d16s16, d0s16); + q15s32 = vmull_s16(d17s16, d0s16); + + q2s32 = vmlal_s16(q2s32, d24s16, d0s16); + q3s32 = vmlal_s16(q3s32, d25s16, d0s16); + q13s32 = vmlsl_s16(q13s32, d24s16, d0s16); + q15s32 = vmlsl_s16(q15s32, d25s16, d0s16); + + d0s16 = vdup_n_s16(cospi_24_64); + d1s16 = vdup_n_s16(cospi_8_64); + + d18s16 = vqrshrn_n_s32(q2s32, 14); + d19s16 = vqrshrn_n_s32(q3s32, 14); + d22s16 = vqrshrn_n_s32(q13s32, 14); + d23s16 = vqrshrn_n_s32(q15s32, 14); + *q9s16 = vcombine_s16(d18s16, d19s16); + *q11s16 = vcombine_s16(d22s16, d23s16); + + q2s32 = vmull_s16(d20s16, d0s16); + q3s32 = vmull_s16(d21s16, d0s16); + q8s32 = vmull_s16(d20s16, d1s16); + q12s32 = vmull_s16(d21s16, d1s16); + + q2s32 = vmlsl_s16(q2s32, d28s16, d1s16); + q3s32 = vmlsl_s16(q3s32, d29s16, d1s16); + q8s32 = vmlal_s16(q8s32, d28s16, d0s16); + q12s32 = vmlal_s16(q12s32, d29s16, d0s16); + + d26s16 = vqrshrn_n_s32(q2s32, 14); + d27s16 = vqrshrn_n_s32(q3s32, 14); + d30s16 = vqrshrn_n_s32(q8s32, 14); + d31s16 = vqrshrn_n_s32(q12s32, 14); + *q13s16 = vcombine_s16(d26s16, d27s16); + *q15s16 = vcombine_s16(d30s16, d31s16); + + q0s16 = vaddq_s16(*q9s16, *q15s16); + q1s16 = vaddq_s16(*q11s16, *q13s16); + q2s16 = vsubq_s16(*q11s16, *q13s16); + q3s16 = vsubq_s16(*q9s16, *q15s16); + + *q13s16 = vsubq_s16(q4s16, q5s16); + q4s16 = vaddq_s16(q4s16, q5s16); + *q14s16 = vsubq_s16(q7s16, q6s16); + q7s16 = vaddq_s16(q7s16, q6s16); + d26s16 = vget_low_s16(*q13s16); + d27s16 = vget_high_s16(*q13s16); + d28s16 = vget_low_s16(*q14s16); + d29s16 = vget_high_s16(*q14s16); + + d16s16 = vdup_n_s16(cospi_16_64); + + q9s32 = vmull_s16(d28s16, d16s16); + q10s32 = vmull_s16(d29s16, d16s16); + q11s32 = vmull_s16(d28s16, d16s16); + q12s32 = vmull_s16(d29s16, d16s16); + + q9s32 = vmlsl_s16(q9s32, d26s16, d16s16); + q10s32 = vmlsl_s16(q10s32, d27s16, d16s16); + q11s32 = vmlal_s16(q11s32, d26s16, d16s16); + q12s32 = vmlal_s16(q12s32, d27s16, d16s16); + + d10s16 = vqrshrn_n_s32(q9s32, 14); + d11s16 = vqrshrn_n_s32(q10s32, 14); + d12s16 = vqrshrn_n_s32(q11s32, 14); + d13s16 = vqrshrn_n_s32(q12s32, 14); + q5s16 = vcombine_s16(d10s16, d11s16); + q6s16 = vcombine_s16(d12s16, d13s16); + + *q8s16 = vaddq_s16(q0s16, q7s16); + *q9s16 = vaddq_s16(q1s16, q6s16); + *q10s16 = vaddq_s16(q2s16, q5s16); + *q11s16 = vaddq_s16(q3s16, q4s16); + *q12s16 = vsubq_s16(q3s16, q4s16); + *q13s16 = vsubq_s16(q2s16, q5s16); + *q14s16 = vsubq_s16(q1s16, q6s16); + *q15s16 = vsubq_s16(q0s16, q7s16); + return; +} + +static INLINE void IADST8X8_1D( + int16x8_t *q8s16, + int16x8_t *q9s16, + int16x8_t *q10s16, + int16x8_t *q11s16, + int16x8_t *q12s16, + int16x8_t *q13s16, + int16x8_t *q14s16, + int16x8_t *q15s16) { + int16x4_t d0s16, d1s16, d2s16, d3s16, d4s16, d5s16, d6s16, d7s16; + int16x4_t d8s16, d9s16, d10s16, d11s16, d12s16, d13s16, d14s16, d15s16; + int16x4_t d16s16, d17s16, d18s16, d19s16, d20s16, d21s16, d22s16, d23s16; + int16x4_t d24s16, d25s16, d26s16, d27s16, d28s16, d29s16, d30s16, d31s16; + int16x8_t q2s16, q4s16, q5s16, q6s16; + int32x4_t q0s32, q1s32, q2s32, q3s32, q4s32, q5s32, q6s32, q7s32, q8s32; + int32x4_t q9s32, q10s32, q11s32, q12s32, q13s32, q14s32, q15s32; + + d16s16 = vget_low_s16(*q8s16); + d17s16 = vget_high_s16(*q8s16); + d18s16 = vget_low_s16(*q9s16); + d19s16 = vget_high_s16(*q9s16); + d20s16 = vget_low_s16(*q10s16); + d21s16 = vget_high_s16(*q10s16); + d22s16 = vget_low_s16(*q11s16); + d23s16 = vget_high_s16(*q11s16); + d24s16 = vget_low_s16(*q12s16); + d25s16 = vget_high_s16(*q12s16); + d26s16 = vget_low_s16(*q13s16); + d27s16 = vget_high_s16(*q13s16); + d28s16 = vget_low_s16(*q14s16); + d29s16 = vget_high_s16(*q14s16); + d30s16 = vget_low_s16(*q15s16); + d31s16 = vget_high_s16(*q15s16); + + d14s16 = vdup_n_s16(cospi_2_64); + d15s16 = vdup_n_s16(cospi_30_64); + + q1s32 = vmull_s16(d30s16, d14s16); + q2s32 = vmull_s16(d31s16, d14s16); + q3s32 = vmull_s16(d30s16, d15s16); + q4s32 = vmull_s16(d31s16, d15s16); + + d30s16 = vdup_n_s16(cospi_18_64); + d31s16 = vdup_n_s16(cospi_14_64); + + q1s32 = vmlal_s16(q1s32, d16s16, d15s16); + q2s32 = vmlal_s16(q2s32, d17s16, d15s16); + q3s32 = vmlsl_s16(q3s32, d16s16, d14s16); + q4s32 = vmlsl_s16(q4s32, d17s16, d14s16); + + q5s32 = vmull_s16(d22s16, d30s16); + q6s32 = vmull_s16(d23s16, d30s16); + q7s32 = vmull_s16(d22s16, d31s16); + q8s32 = vmull_s16(d23s16, d31s16); + + q5s32 = vmlal_s16(q5s32, d24s16, d31s16); + q6s32 = vmlal_s16(q6s32, d25s16, d31s16); + q7s32 = vmlsl_s16(q7s32, d24s16, d30s16); + q8s32 = vmlsl_s16(q8s32, d25s16, d30s16); + + q11s32 = vaddq_s32(q1s32, q5s32); + q12s32 = vaddq_s32(q2s32, q6s32); + q1s32 = vsubq_s32(q1s32, q5s32); + q2s32 = vsubq_s32(q2s32, q6s32); + + d22s16 = vqrshrn_n_s32(q11s32, 14); + d23s16 = vqrshrn_n_s32(q12s32, 14); + *q11s16 = vcombine_s16(d22s16, d23s16); + + q12s32 = vaddq_s32(q3s32, q7s32); + q15s32 = vaddq_s32(q4s32, q8s32); + q3s32 = vsubq_s32(q3s32, q7s32); + q4s32 = vsubq_s32(q4s32, q8s32); + + d2s16 = vqrshrn_n_s32(q1s32, 14); + d3s16 = vqrshrn_n_s32(q2s32, 14); + d24s16 = vqrshrn_n_s32(q12s32, 14); + d25s16 = vqrshrn_n_s32(q15s32, 14); + d6s16 = vqrshrn_n_s32(q3s32, 14); + d7s16 = vqrshrn_n_s32(q4s32, 14); + *q12s16 = vcombine_s16(d24s16, d25s16); + + d0s16 = vdup_n_s16(cospi_10_64); + d1s16 = vdup_n_s16(cospi_22_64); + q4s32 = vmull_s16(d26s16, d0s16); + q5s32 = vmull_s16(d27s16, d0s16); + q2s32 = vmull_s16(d26s16, d1s16); + q6s32 = vmull_s16(d27s16, d1s16); + + d30s16 = vdup_n_s16(cospi_26_64); + d31s16 = vdup_n_s16(cospi_6_64); + + q4s32 = vmlal_s16(q4s32, d20s16, d1s16); + q5s32 = vmlal_s16(q5s32, d21s16, d1s16); + q2s32 = vmlsl_s16(q2s32, d20s16, d0s16); + q6s32 = vmlsl_s16(q6s32, d21s16, d0s16); + + q0s32 = vmull_s16(d18s16, d30s16); + q13s32 = vmull_s16(d19s16, d30s16); + + q0s32 = vmlal_s16(q0s32, d28s16, d31s16); + q13s32 = vmlal_s16(q13s32, d29s16, d31s16); + + q10s32 = vmull_s16(d18s16, d31s16); + q9s32 = vmull_s16(d19s16, d31s16); + + q10s32 = vmlsl_s16(q10s32, d28s16, d30s16); + q9s32 = vmlsl_s16(q9s32, d29s16, d30s16); + + q14s32 = vaddq_s32(q2s32, q10s32); + q15s32 = vaddq_s32(q6s32, q9s32); + q2s32 = vsubq_s32(q2s32, q10s32); + q6s32 = vsubq_s32(q6s32, q9s32); + + d28s16 = vqrshrn_n_s32(q14s32, 14); + d29s16 = vqrshrn_n_s32(q15s32, 14); + d4s16 = vqrshrn_n_s32(q2s32, 14); + d5s16 = vqrshrn_n_s32(q6s32, 14); + *q14s16 = vcombine_s16(d28s16, d29s16); + + q9s32 = vaddq_s32(q4s32, q0s32); + q10s32 = vaddq_s32(q5s32, q13s32); + q4s32 = vsubq_s32(q4s32, q0s32); + q5s32 = vsubq_s32(q5s32, q13s32); + + d30s16 = vdup_n_s16(cospi_8_64); + d31s16 = vdup_n_s16(cospi_24_64); + + d18s16 = vqrshrn_n_s32(q9s32, 14); + d19s16 = vqrshrn_n_s32(q10s32, 14); + d8s16 = vqrshrn_n_s32(q4s32, 14); + d9s16 = vqrshrn_n_s32(q5s32, 14); + *q9s16 = vcombine_s16(d18s16, d19s16); + + q5s32 = vmull_s16(d2s16, d30s16); + q6s32 = vmull_s16(d3s16, d30s16); + q7s32 = vmull_s16(d2s16, d31s16); + q0s32 = vmull_s16(d3s16, d31s16); + + q5s32 = vmlal_s16(q5s32, d6s16, d31s16); + q6s32 = vmlal_s16(q6s32, d7s16, d31s16); + q7s32 = vmlsl_s16(q7s32, d6s16, d30s16); + q0s32 = vmlsl_s16(q0s32, d7s16, d30s16); + + q1s32 = vmull_s16(d4s16, d30s16); + q3s32 = vmull_s16(d5s16, d30s16); + q10s32 = vmull_s16(d4s16, d31s16); + q2s32 = vmull_s16(d5s16, d31s16); + + q1s32 = vmlsl_s16(q1s32, d8s16, d31s16); + q3s32 = vmlsl_s16(q3s32, d9s16, d31s16); + q10s32 = vmlal_s16(q10s32, d8s16, d30s16); + q2s32 = vmlal_s16(q2s32, d9s16, d30s16); + + *q8s16 = vaddq_s16(*q11s16, *q9s16); + *q11s16 = vsubq_s16(*q11s16, *q9s16); + q4s16 = vaddq_s16(*q12s16, *q14s16); + *q12s16 = vsubq_s16(*q12s16, *q14s16); + + q14s32 = vaddq_s32(q5s32, q1s32); + q15s32 = vaddq_s32(q6s32, q3s32); + q5s32 = vsubq_s32(q5s32, q1s32); + q6s32 = vsubq_s32(q6s32, q3s32); + + d18s16 = vqrshrn_n_s32(q14s32, 14); + d19s16 = vqrshrn_n_s32(q15s32, 14); + d10s16 = vqrshrn_n_s32(q5s32, 14); + d11s16 = vqrshrn_n_s32(q6s32, 14); + *q9s16 = vcombine_s16(d18s16, d19s16); + + q1s32 = vaddq_s32(q7s32, q10s32); + q3s32 = vaddq_s32(q0s32, q2s32); + q7s32 = vsubq_s32(q7s32, q10s32); + q0s32 = vsubq_s32(q0s32, q2s32); + + d28s16 = vqrshrn_n_s32(q1s32, 14); + d29s16 = vqrshrn_n_s32(q3s32, 14); + d14s16 = vqrshrn_n_s32(q7s32, 14); + d15s16 = vqrshrn_n_s32(q0s32, 14); + *q14s16 = vcombine_s16(d28s16, d29s16); + + d30s16 = vdup_n_s16(cospi_16_64); + + d22s16 = vget_low_s16(*q11s16); + d23s16 = vget_high_s16(*q11s16); + q2s32 = vmull_s16(d22s16, d30s16); + q3s32 = vmull_s16(d23s16, d30s16); + q13s32 = vmull_s16(d22s16, d30s16); + q1s32 = vmull_s16(d23s16, d30s16); + + d24s16 = vget_low_s16(*q12s16); + d25s16 = vget_high_s16(*q12s16); + q2s32 = vmlal_s16(q2s32, d24s16, d30s16); + q3s32 = vmlal_s16(q3s32, d25s16, d30s16); + q13s32 = vmlsl_s16(q13s32, d24s16, d30s16); + q1s32 = vmlsl_s16(q1s32, d25s16, d30s16); + + d4s16 = vqrshrn_n_s32(q2s32, 14); + d5s16 = vqrshrn_n_s32(q3s32, 14); + d24s16 = vqrshrn_n_s32(q13s32, 14); + d25s16 = vqrshrn_n_s32(q1s32, 14); + q2s16 = vcombine_s16(d4s16, d5s16); + *q12s16 = vcombine_s16(d24s16, d25s16); + + q13s32 = vmull_s16(d10s16, d30s16); + q1s32 = vmull_s16(d11s16, d30s16); + q11s32 = vmull_s16(d10s16, d30s16); + q0s32 = vmull_s16(d11s16, d30s16); + + q13s32 = vmlal_s16(q13s32, d14s16, d30s16); + q1s32 = vmlal_s16(q1s32, d15s16, d30s16); + q11s32 = vmlsl_s16(q11s32, d14s16, d30s16); + q0s32 = vmlsl_s16(q0s32, d15s16, d30s16); + + d20s16 = vqrshrn_n_s32(q13s32, 14); + d21s16 = vqrshrn_n_s32(q1s32, 14); + d12s16 = vqrshrn_n_s32(q11s32, 14); + d13s16 = vqrshrn_n_s32(q0s32, 14); + *q10s16 = vcombine_s16(d20s16, d21s16); + q6s16 = vcombine_s16(d12s16, d13s16); + + q5s16 = vdupq_n_s16(0); + + *q9s16 = vsubq_s16(q5s16, *q9s16); + *q11s16 = vsubq_s16(q5s16, q2s16); + *q13s16 = vsubq_s16(q5s16, q6s16); + *q15s16 = vsubq_s16(q5s16, q4s16); + return; +} + +void vp9_iht8x8_64_add_neon(const tran_low_t *input, uint8_t *dest, + int dest_stride, int tx_type) { + int i; + uint8_t *d1, *d2; + uint8x8_t d0u8, d1u8, d2u8, d3u8; + uint64x1_t d0u64, d1u64, d2u64, d3u64; + int16x8_t q8s16, q9s16, q10s16, q11s16, q12s16, q13s16, q14s16, q15s16; + uint16x8_t q8u16, q9u16, q10u16, q11u16; + + q8s16 = vld1q_s16(input); + q9s16 = vld1q_s16(input + 8); + q10s16 = vld1q_s16(input + 8 * 2); + q11s16 = vld1q_s16(input + 8 * 3); + q12s16 = vld1q_s16(input + 8 * 4); + q13s16 = vld1q_s16(input + 8 * 5); + q14s16 = vld1q_s16(input + 8 * 6); + q15s16 = vld1q_s16(input + 8 * 7); + + TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + + switch (tx_type) { + case 0: // idct_idct is not supported. Fall back to C + vp9_iht8x8_64_add_c(input, dest, dest_stride, tx_type); + return; + break; + case 1: // iadst_idct + // generate IDCT constants + // GENERATE_IDCT_CONSTANTS + + // first transform rows + IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + + // transpose the matrix + TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + + // generate IADST constants + // GENERATE_IADST_CONSTANTS + + // then transform columns + IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + break; + case 2: // idct_iadst + // generate IADST constants + // GENERATE_IADST_CONSTANTS + + // first transform rows + IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + + // transpose the matrix + TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + + // generate IDCT constants + // GENERATE_IDCT_CONSTANTS + + // then transform columns + IDCT8x8_1D(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + break; + case 3: // iadst_iadst + // generate IADST constants + // GENERATE_IADST_CONSTANTS + + // first transform rows + IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + + // transpose the matrix + TRANSPOSE8X8(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + + // then transform columns + IADST8X8_1D(&q8s16, &q9s16, &q10s16, &q11s16, + &q12s16, &q13s16, &q14s16, &q15s16); + break; + default: // iadst_idct + assert(0); + break; + } + + q8s16 = vrshrq_n_s16(q8s16, 5); + q9s16 = vrshrq_n_s16(q9s16, 5); + q10s16 = vrshrq_n_s16(q10s16, 5); + q11s16 = vrshrq_n_s16(q11s16, 5); + q12s16 = vrshrq_n_s16(q12s16, 5); + q13s16 = vrshrq_n_s16(q13s16, 5); + q14s16 = vrshrq_n_s16(q14s16, 5); + q15s16 = vrshrq_n_s16(q15s16, 5); + + for (d1 = d2 = dest, i = 0; i < 2; i++) { + if (i != 0) { + q8s16 = q12s16; + q9s16 = q13s16; + q10s16 = q14s16; + q11s16 = q15s16; + } + + d0u64 = vld1_u64((uint64_t *)d1); + d1 += dest_stride; + d1u64 = vld1_u64((uint64_t *)d1); + d1 += dest_stride; + d2u64 = vld1_u64((uint64_t *)d1); + d1 += dest_stride; + d3u64 = vld1_u64((uint64_t *)d1); + d1 += dest_stride; + + q8u16 = vaddw_u8(vreinterpretq_u16_s16(q8s16), + vreinterpret_u8_u64(d0u64)); + q9u16 = vaddw_u8(vreinterpretq_u16_s16(q9s16), + vreinterpret_u8_u64(d1u64)); + q10u16 = vaddw_u8(vreinterpretq_u16_s16(q10s16), + vreinterpret_u8_u64(d2u64)); + q11u16 = vaddw_u8(vreinterpretq_u16_s16(q11s16), + vreinterpret_u8_u64(d3u64)); + + d0u8 = vqmovun_s16(vreinterpretq_s16_u16(q8u16)); + d1u8 = vqmovun_s16(vreinterpretq_s16_u16(q9u16)); + d2u8 = vqmovun_s16(vreinterpretq_s16_u16(q10u16)); + d3u8 = vqmovun_s16(vreinterpretq_s16_u16(q11u16)); + + vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d0u8)); + d2 += dest_stride; + vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d1u8)); + d2 += dest_stride; + vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d2u8)); + d2 += dest_stride; + vst1_u64((uint64_t *)d2, vreinterpret_u64_u8(d3u8)); + d2 += dest_stride; + } + return; +} |