| /* |
| * Copyright (c) 2017 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 "./vp8_rtcd.h" |
| #include "vpx_mem/vpx_mem.h" |
| |
| void vp8_dequant_idct_add_y_block_mmi(int16_t *q, int16_t *dq, uint8_t *dst, |
| int stride, char *eobs) { |
| int i, j; |
| |
| for (i = 0; i < 4; i++) { |
| for (j = 0; j < 4; j++) { |
| if (*eobs++ > 1) { |
| vp8_dequant_idct_add_mmi(q, dq, dst, stride); |
| } else { |
| vp8_dc_only_idct_add_mmi(q[0] * dq[0], dst, stride, dst, stride); |
| memset(q, 0, 2 * sizeof(q[0])); |
| } |
| |
| q += 16; |
| dst += 4; |
| } |
| |
| dst += 4 * stride - 16; |
| } |
| } |
| |
| void vp8_dequant_idct_add_uv_block_mmi(int16_t *q, int16_t *dq, uint8_t *dst_u, |
| uint8_t *dst_v, int stride, char *eobs) { |
| int i, j; |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| if (*eobs++ > 1) { |
| vp8_dequant_idct_add_mmi(q, dq, dst_u, stride); |
| } else { |
| vp8_dc_only_idct_add_mmi(q[0] * dq[0], dst_u, stride, dst_u, stride); |
| memset(q, 0, 2 * sizeof(q[0])); |
| } |
| |
| q += 16; |
| dst_u += 4; |
| } |
| |
| dst_u += 4 * stride - 8; |
| } |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| if (*eobs++ > 1) { |
| vp8_dequant_idct_add_mmi(q, dq, dst_v, stride); |
| } else { |
| vp8_dc_only_idct_add_mmi(q[0] * dq[0], dst_v, stride, dst_v, stride); |
| memset(q, 0, 2 * sizeof(q[0])); |
| } |
| |
| q += 16; |
| dst_v += 4; |
| } |
| |
| dst_v += 4 * stride - 8; |
| } |
| } |