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Diffstat (limited to 'vp9/common/vp9_recon.c')
-rw-r--r-- | vp9/common/vp9_recon.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/vp9/common/vp9_recon.c b/vp9/common/vp9_recon.c new file mode 100644 index 000000000..9c9029f2a --- /dev/null +++ b/vp9/common/vp9_recon.c @@ -0,0 +1,197 @@ +/* + * 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_rtcd.h" +#include "vp9_blockd.h" + +void vp9_recon_b_c +( + unsigned char *pred_ptr, + short *diff_ptr, + unsigned char *dst_ptr, + int stride +) { + int r, c; + + for (r = 0; r < 4; r++) { + for (c = 0; c < 4; c++) { + int a = diff_ptr[c] + pred_ptr[c]; + + if (a < 0) + a = 0; + + if (a > 255) + a = 255; + + dst_ptr[c] = (unsigned char) a; + } + + dst_ptr += stride; + diff_ptr += 16; + pred_ptr += 16; + } +} + +void vp9_recon_uv_b_c +( + unsigned char *pred_ptr, + short *diff_ptr, + unsigned char *dst_ptr, + int stride +) { + int r, c; + + for (r = 0; r < 4; r++) { + for (c = 0; c < 4; c++) { + int a = diff_ptr[c] + pred_ptr[c]; + + if (a < 0) + a = 0; + + if (a > 255) + a = 255; + + dst_ptr[c] = (unsigned char) a; + } + + dst_ptr += stride; + diff_ptr += 8; + pred_ptr += 8; + } +} +void vp9_recon4b_c +( + unsigned char *pred_ptr, + short *diff_ptr, + unsigned char *dst_ptr, + int stride +) { + int r, c; + + for (r = 0; r < 4; r++) { + for (c = 0; c < 16; c++) { + int a = diff_ptr[c] + pred_ptr[c]; + + if (a < 0) + a = 0; + + if (a > 255) + a = 255; + + dst_ptr[c] = (unsigned char) a; + } + + dst_ptr += stride; + diff_ptr += 16; + pred_ptr += 16; + } +} + +void vp9_recon2b_c +( + unsigned char *pred_ptr, + short *diff_ptr, + unsigned char *dst_ptr, + int stride +) { + int r, c; + + for (r = 0; r < 4; r++) { + for (c = 0; c < 8; c++) { + int a = diff_ptr[c] + pred_ptr[c]; + + if (a < 0) + a = 0; + + if (a > 255) + a = 255; + + dst_ptr[c] = (unsigned char) a; + } + + dst_ptr += stride; + diff_ptr += 8; + pred_ptr += 8; + } +} + +#if CONFIG_SUPERBLOCKS +void vp9_recon_mby_s_c(MACROBLOCKD *xd, uint8_t *dst) { + int x, y; + BLOCKD *b = &xd->block[0]; + int stride = b->dst_stride; + short *diff = b->diff; + + for (y = 0; y < 16; y++) { + for (x = 0; x < 16; x++) { + int a = dst[x] + diff[x]; + if (a < 0) + a = 0; + else if (a > 255) + a = 255; + dst[x] = a; + } + dst += stride; + diff += 16; + } +} + +void vp9_recon_mbuv_s_c(MACROBLOCKD *xd, uint8_t *udst, uint8_t *vdst) { + int x, y, i; + uint8_t *dst = udst; + + for (i = 0; i < 2; i++, dst = vdst) { + BLOCKD *b = &xd->block[16 + 4 * i]; + int stride = b->dst_stride; + short *diff = b->diff; + + for (y = 0; y < 8; y++) { + for (x = 0; x < 8; x++) { + int a = dst[x] + diff[x]; + if (a < 0) + a = 0; + else if (a > 255) + a = 255; + dst[x] = a; + } + dst += stride; + diff += 8; + } + } +} +#endif + +void vp9_recon_mby_c(MACROBLOCKD *xd) { + int i; + + for (i = 0; i < 16; i += 4) { + BLOCKD *b = &xd->block[i]; + + vp9_recon4b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); + } +} + +void vp9_recon_mb_c(MACROBLOCKD *xd) { + int i; + + for (i = 0; i < 16; i += 4) { + BLOCKD *b = &xd->block[i]; + + vp9_recon4b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); + } + + for (i = 16; i < 24; i += 2) { + BLOCKD *b = &xd->block[i]; + + vp9_recon2b(b->predictor, b->diff, *(b->base_dst) + b->dst, b->dst_stride); + } +} |