107 lines
3.0 KiB
C++
107 lines
3.0 KiB
C++
/*
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* Copyright 2011 The LibYuv Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "libyuv/rotate_row.h"
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#include "libyuv/row.h"
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#ifdef __cplusplus
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namespace libyuv {
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extern "C" {
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#endif
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void TransposeWx8_C(const uint8_t* src,
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int src_stride,
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uint8_t* dst,
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int dst_stride,
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int width) {
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int i;
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for (i = 0; i < width; ++i) {
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dst[0] = src[0 * src_stride];
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dst[1] = src[1 * src_stride];
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dst[2] = src[2 * src_stride];
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dst[3] = src[3 * src_stride];
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dst[4] = src[4 * src_stride];
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dst[5] = src[5 * src_stride];
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dst[6] = src[6 * src_stride];
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dst[7] = src[7 * src_stride];
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++src;
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dst += dst_stride;
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}
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}
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void TransposeUVWx8_C(const uint8_t* src,
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int src_stride,
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uint8_t* dst_a,
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int dst_stride_a,
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uint8_t* dst_b,
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int dst_stride_b,
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int width) {
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int i;
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for (i = 0; i < width; ++i) {
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dst_a[0] = src[0 * src_stride + 0];
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dst_b[0] = src[0 * src_stride + 1];
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dst_a[1] = src[1 * src_stride + 0];
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dst_b[1] = src[1 * src_stride + 1];
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dst_a[2] = src[2 * src_stride + 0];
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dst_b[2] = src[2 * src_stride + 1];
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dst_a[3] = src[3 * src_stride + 0];
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dst_b[3] = src[3 * src_stride + 1];
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dst_a[4] = src[4 * src_stride + 0];
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dst_b[4] = src[4 * src_stride + 1];
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dst_a[5] = src[5 * src_stride + 0];
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dst_b[5] = src[5 * src_stride + 1];
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dst_a[6] = src[6 * src_stride + 0];
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dst_b[6] = src[6 * src_stride + 1];
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dst_a[7] = src[7 * src_stride + 0];
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dst_b[7] = src[7 * src_stride + 1];
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src += 2;
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dst_a += dst_stride_a;
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dst_b += dst_stride_b;
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}
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}
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void TransposeWxH_C(const uint8_t* src,
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int src_stride,
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uint8_t* dst,
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int dst_stride,
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int width,
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int height) {
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int i;
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for (i = 0; i < width; ++i) {
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int j;
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for (j = 0; j < height; ++j) {
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dst[i * dst_stride + j] = src[j * src_stride + i];
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}
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}
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}
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void TransposeUVWxH_C(const uint8_t* src,
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int src_stride,
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uint8_t* dst_a,
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int dst_stride_a,
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uint8_t* dst_b,
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int dst_stride_b,
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int width,
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int height) {
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int i;
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for (i = 0; i < width * 2; i += 2) {
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int j;
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for (j = 0; j < height; ++j) {
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dst_a[j + ((i >> 1) * dst_stride_a)] = src[i + (j * src_stride)];
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dst_b[j + ((i >> 1) * dst_stride_b)] = src[i + (j * src_stride) + 1];
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}
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}
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}
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#ifdef __cplusplus
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} // extern "C"
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} // namespace libyuv
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#endif
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