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Diffstat (limited to 'media/libvpx/vp9/common/arm/neon/vp9_loopfilter_16_neon.c')
| -rw-r--r-- | media/libvpx/vp9/common/arm/neon/vp9_loopfilter_16_neon.c | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/media/libvpx/vp9/common/arm/neon/vp9_loopfilter_16_neon.c b/media/libvpx/vp9/common/arm/neon/vp9_loopfilter_16_neon.c new file mode 100644 index 000000000..c69ee1009 --- /dev/null +++ b/media/libvpx/vp9/common/arm/neon/vp9_loopfilter_16_neon.c @@ -0,0 +1,179 @@ +/* + * 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" + +static INLINE void vp9_loop_filter_neon_16( + uint8x16_t qblimit, // blimit + uint8x16_t qlimit, // limit + uint8x16_t qthresh, // thresh + uint8x16_t q3, // p3 + uint8x16_t q4, // p2 + uint8x16_t q5, // p1 + uint8x16_t q6, // p0 + uint8x16_t q7, // q0 + uint8x16_t q8, // q1 + uint8x16_t q9, // q2 + uint8x16_t q10, // q3 + uint8x16_t *q5r, // p1 + uint8x16_t *q6r, // p0 + uint8x16_t *q7r, // q0 + uint8x16_t *q8r) { // q1 + uint8x16_t q1u8, q2u8, q11u8, q12u8, q13u8, q14u8, q15u8; + int16x8_t q2s16, q11s16; + uint16x8_t q4u16; + int8x16_t q0s8, q1s8, q2s8, q11s8, q12s8, q13s8; + int8x8_t d2s8, d3s8; + + q11u8 = vabdq_u8(q3, q4); + q12u8 = vabdq_u8(q4, q5); + q13u8 = vabdq_u8(q5, q6); + q14u8 = vabdq_u8(q8, q7); + q3 = vabdq_u8(q9, q8); + q4 = vabdq_u8(q10, q9); + + q11u8 = vmaxq_u8(q11u8, q12u8); + q12u8 = vmaxq_u8(q13u8, q14u8); + q3 = vmaxq_u8(q3, q4); + q15u8 = vmaxq_u8(q11u8, q12u8); + + q9 = vabdq_u8(q6, q7); + + // vp8_hevmask + q13u8 = vcgtq_u8(q13u8, qthresh); + q14u8 = vcgtq_u8(q14u8, qthresh); + q15u8 = vmaxq_u8(q15u8, q3); + + q2u8 = vabdq_u8(q5, q8); + q9 = vqaddq_u8(q9, q9); + + q15u8 = vcgeq_u8(qlimit, q15u8); + + // vp8_filter() function + // convert to signed + q10 = vdupq_n_u8(0x80); + q8 = veorq_u8(q8, q10); + q7 = veorq_u8(q7, q10); + q6 = veorq_u8(q6, q10); + q5 = veorq_u8(q5, q10); + + q2u8 = vshrq_n_u8(q2u8, 1); + q9 = vqaddq_u8(q9, q2u8); + + q2s16 = vsubl_s8(vget_low_s8(vreinterpretq_s8_u8(q7)), + vget_low_s8(vreinterpretq_s8_u8(q6))); + q11s16 = vsubl_s8(vget_high_s8(vreinterpretq_s8_u8(q7)), + vget_high_s8(vreinterpretq_s8_u8(q6))); + + q9 = vcgeq_u8(qblimit, q9); + + q1s8 = vqsubq_s8(vreinterpretq_s8_u8(q5), + vreinterpretq_s8_u8(q8)); + + q14u8 = vorrq_u8(q13u8, q14u8); + + q4u16 = vdupq_n_u16(3); + q2s16 = vmulq_s16(q2s16, vreinterpretq_s16_u16(q4u16)); + q11s16 = vmulq_s16(q11s16, vreinterpretq_s16_u16(q4u16)); + + q1u8 = vandq_u8(vreinterpretq_u8_s8(q1s8), q14u8); + q15u8 = vandq_u8(q15u8, q9); + + q1s8 = vreinterpretq_s8_u8(q1u8); + q2s16 = vaddw_s8(q2s16, vget_low_s8(q1s8)); + q11s16 = vaddw_s8(q11s16, vget_high_s8(q1s8)); + + q4 = vdupq_n_u8(3); + q9 = vdupq_n_u8(4); + // vp8_filter = clamp(vp8_filter + 3 * ( qs0 - ps0)) + d2s8 = vqmovn_s16(q2s16); + d3s8 = vqmovn_s16(q11s16); + q1s8 = vcombine_s8(d2s8, d3s8); + q1u8 = vandq_u8(vreinterpretq_u8_s8(q1s8), q15u8); + q1s8 = vreinterpretq_s8_u8(q1u8); + + q2s8 = vqaddq_s8(q1s8, vreinterpretq_s8_u8(q4)); + q1s8 = vqaddq_s8(q1s8, vreinterpretq_s8_u8(q9)); + q2s8 = vshrq_n_s8(q2s8, 3); + q1s8 = vshrq_n_s8(q1s8, 3); + + q11s8 = vqaddq_s8(vreinterpretq_s8_u8(q6), q2s8); + q0s8 = vqsubq_s8(vreinterpretq_s8_u8(q7), q1s8); + + q1s8 = vrshrq_n_s8(q1s8, 1); + q1s8 = vbicq_s8(q1s8, vreinterpretq_s8_u8(q14u8)); + + q13s8 = vqaddq_s8(vreinterpretq_s8_u8(q5), q1s8); + q12s8 = vqsubq_s8(vreinterpretq_s8_u8(q8), q1s8); + + *q8r = veorq_u8(vreinterpretq_u8_s8(q12s8), q10); + *q7r = veorq_u8(vreinterpretq_u8_s8(q0s8), q10); + *q6r = veorq_u8(vreinterpretq_u8_s8(q11s8), q10); + *q5r = veorq_u8(vreinterpretq_u8_s8(q13s8), q10); + return; +} + +void vp9_lpf_horizontal_4_dual_neon(uint8_t *s, int p /* pitch */, + const uint8_t *blimit0, + const uint8_t *limit0, + const uint8_t *thresh0, + const uint8_t *blimit1, + const uint8_t *limit1, + const uint8_t *thresh1) { + uint8x8_t dblimit0, dlimit0, dthresh0, dblimit1, dlimit1, dthresh1; + uint8x16_t qblimit, qlimit, qthresh; + uint8x16_t q3u8, q4u8, q5u8, q6u8, q7u8, q8u8, q9u8, q10u8; + + dblimit0 = vld1_u8(blimit0); + dlimit0 = vld1_u8(limit0); + dthresh0 = vld1_u8(thresh0); + dblimit1 = vld1_u8(blimit1); + dlimit1 = vld1_u8(limit1); + dthresh1 = vld1_u8(thresh1); + qblimit = vcombine_u8(dblimit0, dblimit1); + qlimit = vcombine_u8(dlimit0, dlimit1); + qthresh = vcombine_u8(dthresh0, dthresh1); + + s -= (p << 2); + + q3u8 = vld1q_u8(s); + s += p; + q4u8 = vld1q_u8(s); + s += p; + q5u8 = vld1q_u8(s); + s += p; + q6u8 = vld1q_u8(s); + s += p; + q7u8 = vld1q_u8(s); + s += p; + q8u8 = vld1q_u8(s); + s += p; + q9u8 = vld1q_u8(s); + s += p; + q10u8 = vld1q_u8(s); + + vp9_loop_filter_neon_16(qblimit, qlimit, qthresh, + q3u8, q4u8, q5u8, q6u8, q7u8, q8u8, q9u8, q10u8, + &q5u8, &q6u8, &q7u8, &q8u8); + + s -= (p * 5); + vst1q_u8(s, q5u8); + s += p; + vst1q_u8(s, q6u8); + s += p; + vst1q_u8(s, q7u8); + s += p; + vst1q_u8(s, q8u8); + return; +} |