diff options
Diffstat (limited to 'third_party/aom/av1/encoder/arm')
| -rw-r--r-- | third_party/aom/av1/encoder/arm/neon/dct_neon.c | 36 | ||||
| -rw-r--r-- | third_party/aom/av1/encoder/arm/neon/error_neon.c | 42 | ||||
| -rw-r--r-- | third_party/aom/av1/encoder/arm/neon/quantize_neon.c | 118 |
3 files changed, 196 insertions, 0 deletions
diff --git a/third_party/aom/av1/encoder/arm/neon/dct_neon.c b/third_party/aom/av1/encoder/arm/neon/dct_neon.c new file mode 100644 index 000000000..f6ce24a3d --- /dev/null +++ b/third_party/aom/av1/encoder/arm/neon/dct_neon.c @@ -0,0 +1,36 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <arm_neon.h> + +#include "./av1_rtcd.h" +#include "./aom_config.h" +#include "./aom_dsp_rtcd.h" + +#include "av1/common/blockd.h" +#include "aom_dsp/txfm_common.h" + +void av1_fdct8x8_quant_neon(const int16_t *input, int stride, + int16_t *coeff_ptr, intptr_t n_coeffs, + int skip_block, const int16_t *zbin_ptr, + const int16_t *round_ptr, const int16_t *quant_ptr, + const int16_t *quant_shift_ptr, int16_t *qcoeff_ptr, + int16_t *dqcoeff_ptr, const int16_t *dequant_ptr, + uint16_t *eob_ptr, const int16_t *scan_ptr, + const int16_t *iscan_ptr) { + int16_t temp_buffer[64]; + (void)coeff_ptr; + + aom_fdct8x8_neon(input, temp_buffer, stride); + av1_quantize_fp_neon(temp_buffer, n_coeffs, skip_block, zbin_ptr, round_ptr, + quant_ptr, quant_shift_ptr, qcoeff_ptr, dqcoeff_ptr, + dequant_ptr, eob_ptr, scan_ptr, iscan_ptr); +} diff --git a/third_party/aom/av1/encoder/arm/neon/error_neon.c b/third_party/aom/av1/encoder/arm/neon/error_neon.c new file mode 100644 index 000000000..fe5233f89 --- /dev/null +++ b/third_party/aom/av1/encoder/arm/neon/error_neon.c @@ -0,0 +1,42 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <arm_neon.h> +#include <assert.h> + +#include "./av1_rtcd.h" + +int64_t av1_block_error_fp_neon(const int16_t *coeff, const int16_t *dqcoeff, + int block_size) { + int64x2_t error = vdupq_n_s64(0); + + assert(block_size >= 8); + assert((block_size % 8) == 0); + + do { + const int16x8_t c = vld1q_s16(coeff); + const int16x8_t d = vld1q_s16(dqcoeff); + const int16x8_t diff = vsubq_s16(c, d); + const int16x4_t diff_lo = vget_low_s16(diff); + const int16x4_t diff_hi = vget_high_s16(diff); + // diff is 15-bits, the squares 30, so we can store 2 in 31-bits before + // accumulating them in 64-bits. + const int32x4_t err0 = vmull_s16(diff_lo, diff_lo); + const int32x4_t err1 = vmlal_s16(err0, diff_hi, diff_hi); + const int64x2_t err2 = vaddl_s32(vget_low_s32(err1), vget_high_s32(err1)); + error = vaddq_s64(error, err2); + coeff += 8; + dqcoeff += 8; + block_size -= 8; + } while (block_size != 0); + + return vgetq_lane_s64(error, 0) + vgetq_lane_s64(error, 1); +} diff --git a/third_party/aom/av1/encoder/arm/neon/quantize_neon.c b/third_party/aom/av1/encoder/arm/neon/quantize_neon.c new file mode 100644 index 000000000..36e7d3370 --- /dev/null +++ b/third_party/aom/av1/encoder/arm/neon/quantize_neon.c @@ -0,0 +1,118 @@ +/* + * Copyright (c) 2016, Alliance for Open Media. All rights reserved + * + * This source code is subject to the terms of the BSD 2 Clause License and + * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License + * was not distributed with this source code in the LICENSE file, you can + * obtain it at www.aomedia.org/license/software. If the Alliance for Open + * Media Patent License 1.0 was not distributed with this source code in the + * PATENTS file, you can obtain it at www.aomedia.org/license/patent. + */ + +#include <arm_neon.h> + +#include <math.h> + +#include "aom_mem/aom_mem.h" + +#include "av1/common/quant_common.h" +#include "av1/common/seg_common.h" + +#include "av1/encoder/av1_quantize.h" +#include "av1/encoder/encoder.h" +#include "av1/encoder/rd.h" + +void av1_quantize_fp_neon(const int16_t *coeff_ptr, intptr_t count, + int skip_block, const int16_t *zbin_ptr, + const int16_t *round_ptr, const int16_t *quant_ptr, + const int16_t *quant_shift_ptr, int16_t *qcoeff_ptr, + int16_t *dqcoeff_ptr, const int16_t *dequant_ptr, + uint16_t *eob_ptr, const int16_t *scan, + const int16_t *iscan) { + // TODO(jingning) Decide the need of these arguments after the + // quantization process is completed. + (void)zbin_ptr; + (void)quant_shift_ptr; + (void)scan; + + if (!skip_block) { + // Quantization pass: All coefficients with index >= zero_flag are + // skippable. Note: zero_flag can be zero. + int i; + const int16x8_t v_zero = vdupq_n_s16(0); + const int16x8_t v_one = vdupq_n_s16(1); + int16x8_t v_eobmax_76543210 = vdupq_n_s16(-1); + int16x8_t v_round = vmovq_n_s16(round_ptr[1]); + int16x8_t v_quant = vmovq_n_s16(quant_ptr[1]); + int16x8_t v_dequant = vmovq_n_s16(dequant_ptr[1]); + // adjust for dc + v_round = vsetq_lane_s16(round_ptr[0], v_round, 0); + v_quant = vsetq_lane_s16(quant_ptr[0], v_quant, 0); + v_dequant = vsetq_lane_s16(dequant_ptr[0], v_dequant, 0); + // process dc and the first seven ac coeffs + { + const int16x8_t v_iscan = vld1q_s16(&iscan[0]); + const int16x8_t v_coeff = vld1q_s16(&coeff_ptr[0]); + const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15); + const int16x8_t v_tmp = vabaq_s16(v_round, v_coeff, v_zero); + const int32x4_t v_tmp_lo = + vmull_s16(vget_low_s16(v_tmp), vget_low_s16(v_quant)); + const int32x4_t v_tmp_hi = + vmull_s16(vget_high_s16(v_tmp), vget_high_s16(v_quant)); + const int16x8_t v_tmp2 = + vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), vshrn_n_s32(v_tmp_hi, 16)); + const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero); + const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one); + const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1); + const int16x8_t v_qcoeff_a = veorq_s16(v_tmp2, v_coeff_sign); + const int16x8_t v_qcoeff = vsubq_s16(v_qcoeff_a, v_coeff_sign); + const int16x8_t v_dqcoeff = vmulq_s16(v_qcoeff, v_dequant); + v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan); + vst1q_s16(&qcoeff_ptr[0], v_qcoeff); + vst1q_s16(&dqcoeff_ptr[0], v_dqcoeff); + v_round = vmovq_n_s16(round_ptr[1]); + v_quant = vmovq_n_s16(quant_ptr[1]); + v_dequant = vmovq_n_s16(dequant_ptr[1]); + } + // now process the rest of the ac coeffs + for (i = 8; i < count; i += 8) { + const int16x8_t v_iscan = vld1q_s16(&iscan[i]); + const int16x8_t v_coeff = vld1q_s16(&coeff_ptr[i]); + const int16x8_t v_coeff_sign = vshrq_n_s16(v_coeff, 15); + const int16x8_t v_tmp = vabaq_s16(v_round, v_coeff, v_zero); + const int32x4_t v_tmp_lo = + vmull_s16(vget_low_s16(v_tmp), vget_low_s16(v_quant)); + const int32x4_t v_tmp_hi = + vmull_s16(vget_high_s16(v_tmp), vget_high_s16(v_quant)); + const int16x8_t v_tmp2 = + vcombine_s16(vshrn_n_s32(v_tmp_lo, 16), vshrn_n_s32(v_tmp_hi, 16)); + const uint16x8_t v_nz_mask = vceqq_s16(v_tmp2, v_zero); + const int16x8_t v_iscan_plus1 = vaddq_s16(v_iscan, v_one); + const int16x8_t v_nz_iscan = vbslq_s16(v_nz_mask, v_zero, v_iscan_plus1); + const int16x8_t v_qcoeff_a = veorq_s16(v_tmp2, v_coeff_sign); + const int16x8_t v_qcoeff = vsubq_s16(v_qcoeff_a, v_coeff_sign); + const int16x8_t v_dqcoeff = vmulq_s16(v_qcoeff, v_dequant); + v_eobmax_76543210 = vmaxq_s16(v_eobmax_76543210, v_nz_iscan); + vst1q_s16(&qcoeff_ptr[i], v_qcoeff); + vst1q_s16(&dqcoeff_ptr[i], v_dqcoeff); + } + { + const int16x4_t v_eobmax_3210 = vmax_s16( + vget_low_s16(v_eobmax_76543210), vget_high_s16(v_eobmax_76543210)); + const int64x1_t v_eobmax_xx32 = + vshr_n_s64(vreinterpret_s64_s16(v_eobmax_3210), 32); + const int16x4_t v_eobmax_tmp = + vmax_s16(v_eobmax_3210, vreinterpret_s16_s64(v_eobmax_xx32)); + const int64x1_t v_eobmax_xxx3 = + vshr_n_s64(vreinterpret_s64_s16(v_eobmax_tmp), 16); + const int16x4_t v_eobmax_final = + vmax_s16(v_eobmax_tmp, vreinterpret_s16_s64(v_eobmax_xxx3)); + + *eob_ptr = (uint16_t)vget_lane_s16(v_eobmax_final, 0); + } + } else { + memset(qcoeff_ptr, 0, count * sizeof(int16_t)); + memset(dqcoeff_ptr, 0, count * sizeof(int16_t)); + *eob_ptr = 0; + } +} |