/* * 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 " . / vpx_dsp_rtcd . h " # include " vpx_dsp / arm / mem_neon . h " # include " vpx_dsp / inv_txfm . h " static INLINE void idct4x4_1_add_kernel ( uint8_t * * dest , const int stride , const int16x8_t res , uint32x2_t * const d ) { uint16x8_t a ; uint8x8_t b ; * d = vld1_lane_u32 ( ( const uint32_t * ) * dest , * d , 0 ) ; * d = vld1_lane_u32 ( ( const uint32_t * ) ( * dest + stride ) , * d , 1 ) ; a = vaddw_u8 ( vreinterpretq_u16_s16 ( res ) , vreinterpret_u8_u32 ( * d ) ) ; b = vqmovun_s16 ( vreinterpretq_s16_u16 ( a ) ) ; vst1_lane_u32 ( ( uint32_t * ) * dest , vreinterpret_u32_u8 ( b ) , 0 ) ; * dest + = stride ; vst1_lane_u32 ( ( uint32_t * ) * dest , vreinterpret_u32_u8 ( b ) , 1 ) ; * dest + = stride ; } void vpx_idct4x4_1_add_neon ( const tran_low_t * input , uint8_t * dest , int stride ) { const int16_t out0 = WRAPLOW ( ct_const_round_shift ( ( int16_t ) input [ 0 ] * cospi_16_64 ) ) ; = WRAPLOW ( dct_const_round_shift ( * cospi_16_64 ) ) ; const include " vpx_dsp / arm / mem_neon . h " const int16x8_t dc = vdupq_n_s16 ( a1 ) ; uint32x2_t d = vdup_n_u32 ( 0 ) ; assert ( ! ( ( intptr_t ) dest % * const d ) { assert ( ( stride % sizeof ( uint32_t ) ) ; , stride , dc , & d ) ; idct4x4_1_add_kernel & est , stride , dc & ; }
Messung V0.5 in Prozent C=94 H=100 G=96
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