| /* |
| * Copyright (c) 2010 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 "vpx_ports/config.h" |
| #include "vp9/common/idct.h" |
| #include "dequantize.h" |
| |
| void vp9_dequant_dc_idct_add_c(short *input, short *dq, unsigned char *pred, |
| unsigned char *dest, int pitch, int stride, |
| int Dc); |
| void vp9_dequant_idct_add_c(short *input, short *dq, unsigned char *pred, |
| unsigned char *dest, int pitch, int stride); |
| void vp9_dc_only_idct_add_c(short input_dc, unsigned char *pred_ptr, |
| unsigned char *dst_ptr, int pitch, int stride); |
| #if CONFIG_LOSSLESS |
| void vp9_dequant_idct_add_lossless_c(short *input, short *dq, |
| unsigned char *pred, unsigned char *dest, |
| int pitch, int stride); |
| void vp9_dc_only_idct_add_lossless_c(short input_dc, unsigned char *pred_ptr, |
| unsigned char *dst_ptr, |
| int pitch, int stride); |
| #endif |
| |
| void vp9_dequant_dc_idct_add_y_block_c(short *q, short *dq, |
| unsigned char *pre, |
| unsigned char *dst, |
| int stride, char *eobs, |
| short *dc) { |
| int i, j; |
| |
| for (i = 0; i < 4; i++) { |
| for (j = 0; j < 4; j++) { |
| if (*eobs++ > 1) |
| vp9_dequant_dc_idct_add_c(q, dq, pre, dst, 16, stride, dc[0]); |
| else |
| vp9_dc_only_idct_add_c(dc[0], pre, dst, 16, stride); |
| |
| q += 16; |
| pre += 4; |
| dst += 4; |
| dc++; |
| } |
| |
| pre += 64 - 16; |
| dst += 4 * stride - 16; |
| } |
| } |
| |
| void vp9_dequant_idct_add_y_block_c(short *q, short *dq, |
| unsigned char *pre, |
| unsigned char *dst, |
| int stride, char *eobs) { |
| int i, j; |
| |
| for (i = 0; i < 4; i++) { |
| for (j = 0; j < 4; j++) { |
| if (*eobs++ > 1) |
| vp9_dequant_idct_add_c(q, dq, pre, dst, 16, stride); |
| else { |
| vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dst, 16, stride); |
| ((int *)q)[0] = 0; |
| } |
| |
| q += 16; |
| pre += 4; |
| dst += 4; |
| } |
| |
| pre += 64 - 16; |
| dst += 4 * stride - 16; |
| } |
| } |
| |
| void vp9_dequant_idct_add_uv_block_c(short *q, short *dq, unsigned char *pre, |
| unsigned char *dstu, unsigned char *dstv, |
| int stride, char *eobs) { |
| int i, j; |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| if (*eobs++ > 1) |
| vp9_dequant_idct_add_c(q, dq, pre, dstu, 8, stride); |
| else { |
| vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dstu, 8, stride); |
| ((int *)q)[0] = 0; |
| } |
| |
| q += 16; |
| pre += 4; |
| dstu += 4; |
| } |
| |
| pre += 32 - 8; |
| dstu += 4 * stride - 8; |
| } |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| if (*eobs++ > 1) |
| vp9_dequant_idct_add_c(q, dq, pre, dstv, 8, stride); |
| else { |
| vp9_dc_only_idct_add_c(q[0]*dq[0], pre, dstv, 8, stride); |
| ((int *)q)[0] = 0; |
| } |
| |
| q += 16; |
| pre += 4; |
| dstv += 4; |
| } |
| |
| pre += 32 - 8; |
| dstv += 4 * stride - 8; |
| } |
| } |
| |
| |
| void vp9_dequant_dc_idct_add_y_block_8x8_c(short *q, short *dq, |
| unsigned char *pre, |
| unsigned char *dst, |
| int stride, char *eobs, short *dc, |
| MACROBLOCKD *xd) { |
| vp9_dequant_dc_idct_add_8x8_c(q, dq, pre, dst, 16, stride, dc[0]); |
| vp9_dequant_dc_idct_add_8x8_c(&q[64], dq, pre + 8, dst + 8, 16, stride, dc[1]); |
| vp9_dequant_dc_idct_add_8x8_c(&q[128], dq, pre + 8 * 16, |
| dst + 8 * stride, 16, stride, dc[4]); |
| vp9_dequant_dc_idct_add_8x8_c(&q[192], dq, pre + 8 * 16 + 8, |
| dst + 8 * stride + 8, 16, stride, dc[8]); |
| } |
| |
| #if CONFIG_SUPERBLOCKS |
| void vp9_dequant_dc_idct_add_y_block_8x8_inplace_c(short *q, short *dq, |
| unsigned char *dst, |
| int stride, char *eobs, |
| short *dc, MACROBLOCKD *xd) { |
| vp9_dequant_dc_idct_add_8x8_c(q, dq, dst, dst, stride, stride, dc[0]); |
| vp9_dequant_dc_idct_add_8x8_c(&q[64], dq, dst + 8, |
| dst + 8, stride, stride, dc[1]); |
| vp9_dequant_dc_idct_add_8x8_c(&q[128], dq, dst + 8 * stride, |
| dst + 8 * stride, stride, stride, dc[4]); |
| vp9_dequant_dc_idct_add_8x8_c(&q[192], dq, dst + 8 * stride + 8, |
| dst + 8 * stride + 8, stride, stride, dc[8]); |
| } |
| #endif |
| |
| void vp9_dequant_idct_add_y_block_8x8_c(short *q, short *dq, |
| unsigned char *pre, |
| unsigned char *dst, |
| int stride, char *eobs, |
| MACROBLOCKD *xd) { |
| unsigned char *origdest = dst; |
| unsigned char *origpred = pre; |
| |
| vp9_dequant_idct_add_8x8_c(q, dq, pre, dst, 16, stride); |
| vp9_dequant_idct_add_8x8_c(&q[64], dq, origpred + 8, |
| origdest + 8, 16, stride); |
| vp9_dequant_idct_add_8x8_c(&q[128], dq, origpred + 8 * 16, |
| origdest + 8 * stride, 16, stride); |
| vp9_dequant_idct_add_8x8_c(&q[192], dq, origpred + 8 * 16 + 8, |
| origdest + 8 * stride + 8, 16, stride); |
| } |
| |
| void vp9_dequant_idct_add_uv_block_8x8_c(short *q, short *dq, |
| unsigned char *pre, |
| unsigned char *dstu, |
| unsigned char *dstv, |
| int stride, char *eobs, |
| MACROBLOCKD *xd) { |
| vp9_dequant_idct_add_8x8_c(q, dq, pre, dstu, 8, stride); |
| |
| q += 64; |
| pre += 64; |
| |
| vp9_dequant_idct_add_8x8_c(q, dq, pre, dstv, 8, stride); |
| } |
| |
| #if CONFIG_SUPERBLOCKS |
| void vp9_dequant_idct_add_uv_block_8x8_inplace_c(short *q, short *dq, |
| unsigned char *dstu, |
| unsigned char *dstv, |
| int stride, char *eobs, |
| MACROBLOCKD *xd) { |
| vp9_dequant_idct_add_8x8_c(q, dq, dstu, dstu, stride, stride); |
| |
| q += 64; |
| |
| vp9_dequant_idct_add_8x8_c(q, dq, dstv, dstv, stride, stride); |
| } |
| #endif |
| |
| #if CONFIG_LOSSLESS |
| void vp9_dequant_dc_idct_add_y_block_lossless_c(short *q, short *dq, |
| unsigned char *pre, |
| unsigned char *dst, |
| int stride, char *eobs, |
| short *dc) { |
| int i, j; |
| |
| for (i = 0; i < 4; i++) { |
| for (j = 0; j < 4; j++) { |
| if (*eobs++ > 1) |
| vp9_dequant_dc_idct_add_lossless_c(q, dq, pre, dst, 16, stride, dc[0]); |
| else |
| vp9_dc_only_inv_walsh_add_c(dc[0], pre, dst, 16, stride); |
| |
| q += 16; |
| pre += 4; |
| dst += 4; |
| dc++; |
| } |
| |
| pre += 64 - 16; |
| dst += 4 * stride - 16; |
| } |
| } |
| |
| void vp9_dequant_idct_add_y_block_lossless_c(short *q, short *dq, |
| unsigned char *pre, |
| unsigned char *dst, |
| int stride, char *eobs) { |
| int i, j; |
| |
| for (i = 0; i < 4; i++) { |
| for (j = 0; j < 4; j++) { |
| if (*eobs++ > 1) |
| vp9_dequant_idct_add_lossless_c(q, dq, pre, dst, 16, stride); |
| else { |
| vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dst, 16, stride); |
| ((int *)q)[0] = 0; |
| } |
| |
| q += 16; |
| pre += 4; |
| dst += 4; |
| } |
| |
| pre += 64 - 16; |
| dst += 4 * stride - 16; |
| } |
| } |
| |
| void vp9_dequant_idct_add_uv_block_lossless_c(short *q, short *dq, |
| unsigned char *pre, |
| unsigned char *dstu, |
| unsigned char *dstv, |
| int stride, char *eobs) { |
| int i, j; |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| if (*eobs++ > 1) |
| vp9_dequant_idct_add_lossless_c(q, dq, pre, dstu, 8, stride); |
| else { |
| vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dstu, 8, stride); |
| ((int *)q)[0] = 0; |
| } |
| |
| q += 16; |
| pre += 4; |
| dstu += 4; |
| } |
| |
| pre += 32 - 8; |
| dstu += 4 * stride - 8; |
| } |
| |
| for (i = 0; i < 2; i++) { |
| for (j = 0; j < 2; j++) { |
| if (*eobs++ > 1) |
| vp9_dequant_idct_add_lossless_c(q, dq, pre, dstv, 8, stride); |
| else { |
| vp9_dc_only_inv_walsh_add_c(q[0]*dq[0], pre, dstv, 8, stride); |
| ((int *)q)[0] = 0; |
| } |
| |
| q += 16; |
| pre += 4; |
| dstv += 4; |
| } |
| |
| pre += 32 - 8; |
| dstv += 4 * stride - 8; |
| } |
| } |
| #endif |
| |
