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author | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
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committer | Matt A. Tobin <mattatobin@localhost.localdomain> | 2018-02-02 04:16:08 -0500 |
commit | 5f8de423f190bbb79a62f804151bc24824fa32d8 (patch) | |
tree | 10027f336435511475e392454359edea8e25895d /media/libvpx/vp8/common/arm/neon/loopfiltersimplehorizontaledge_neon.c | |
parent | 49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff) | |
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Add m-esr52 at 52.6.0
Diffstat (limited to 'media/libvpx/vp8/common/arm/neon/loopfiltersimplehorizontaledge_neon.c')
-rw-r--r-- | media/libvpx/vp8/common/arm/neon/loopfiltersimplehorizontaledge_neon.c | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/media/libvpx/vp8/common/arm/neon/loopfiltersimplehorizontaledge_neon.c b/media/libvpx/vp8/common/arm/neon/loopfiltersimplehorizontaledge_neon.c new file mode 100644 index 000000000..b25686ffb --- /dev/null +++ b/media/libvpx/vp8/common/arm/neon/loopfiltersimplehorizontaledge_neon.c @@ -0,0 +1,111 @@ +/* + * 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 "./vpx_config.h" + +static INLINE void vp8_loop_filter_simple_horizontal_edge_neon( + unsigned char *s, + int p, + const unsigned char *blimit) { + uint8_t *sp; + uint8x16_t qblimit, q0u8; + uint8x16_t q5u8, q6u8, q7u8, q8u8, q9u8, q10u8, q14u8, q15u8; + int16x8_t q2s16, q3s16, q13s16; + int8x8_t d8s8, d9s8; + int8x16_t q2s8, q3s8, q4s8, q10s8, q11s8, q14s8; + + qblimit = vdupq_n_u8(*blimit); + + sp = s - (p << 1); + q5u8 = vld1q_u8(sp); + sp += p; + q6u8 = vld1q_u8(sp); + sp += p; + q7u8 = vld1q_u8(sp); + sp += p; + q8u8 = vld1q_u8(sp); + + q15u8 = vabdq_u8(q6u8, q7u8); + q14u8 = vabdq_u8(q5u8, q8u8); + + q15u8 = vqaddq_u8(q15u8, q15u8); + q14u8 = vshrq_n_u8(q14u8, 1); + q0u8 = vdupq_n_u8(0x80); + q13s16 = vdupq_n_s16(3); + q15u8 = vqaddq_u8(q15u8, q14u8); + + q5u8 = veorq_u8(q5u8, q0u8); + q6u8 = veorq_u8(q6u8, q0u8); + q7u8 = veorq_u8(q7u8, q0u8); + q8u8 = veorq_u8(q8u8, q0u8); + + q15u8 = vcgeq_u8(qblimit, q15u8); + + q2s16 = vsubl_s8(vget_low_s8(vreinterpretq_s8_u8(q7u8)), + vget_low_s8(vreinterpretq_s8_u8(q6u8))); + q3s16 = vsubl_s8(vget_high_s8(vreinterpretq_s8_u8(q7u8)), + vget_high_s8(vreinterpretq_s8_u8(q6u8))); + + q4s8 = vqsubq_s8(vreinterpretq_s8_u8(q5u8), + vreinterpretq_s8_u8(q8u8)); + + q2s16 = vmulq_s16(q2s16, q13s16); + q3s16 = vmulq_s16(q3s16, q13s16); + + q10u8 = vdupq_n_u8(3); + q9u8 = vdupq_n_u8(4); + + q2s16 = vaddw_s8(q2s16, vget_low_s8(q4s8)); + q3s16 = vaddw_s8(q3s16, vget_high_s8(q4s8)); + + d8s8 = vqmovn_s16(q2s16); + d9s8 = vqmovn_s16(q3s16); + q4s8 = vcombine_s8(d8s8, d9s8); + + q14s8 = vandq_s8(q4s8, vreinterpretq_s8_u8(q15u8)); + + q2s8 = vqaddq_s8(q14s8, vreinterpretq_s8_u8(q10u8)); + q3s8 = vqaddq_s8(q14s8, vreinterpretq_s8_u8(q9u8)); + q2s8 = vshrq_n_s8(q2s8, 3); + q3s8 = vshrq_n_s8(q3s8, 3); + + q11s8 = vqaddq_s8(vreinterpretq_s8_u8(q6u8), q2s8); + q10s8 = vqsubq_s8(vreinterpretq_s8_u8(q7u8), q3s8); + + q6u8 = veorq_u8(vreinterpretq_u8_s8(q11s8), q0u8); + q7u8 = veorq_u8(vreinterpretq_u8_s8(q10s8), q0u8); + + vst1q_u8(s, q7u8); + s -= p; + vst1q_u8(s, q6u8); + return; +} + +void vp8_loop_filter_bhs_neon( + unsigned char *y_ptr, + int y_stride, + const unsigned char *blimit) { + y_ptr += y_stride * 4; + vp8_loop_filter_simple_horizontal_edge_neon(y_ptr, y_stride, blimit); + y_ptr += y_stride * 4; + vp8_loop_filter_simple_horizontal_edge_neon(y_ptr, y_stride, blimit); + y_ptr += y_stride * 4; + vp8_loop_filter_simple_horizontal_edge_neon(y_ptr, y_stride, blimit); + return; +} + +void vp8_loop_filter_mbhs_neon( + unsigned char *y_ptr, + int y_stride, + const unsigned char *blimit) { + vp8_loop_filter_simple_horizontal_edge_neon(y_ptr, y_stride, blimit); + return; +} |