1 // Copyright 2021 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "cast/standalone_sender/streaming_encoder_util.h"
6
7 #include <string.h>
8
9 #include <algorithm>
10
11 namespace openscreen {
12 namespace cast {
CopyPlane(const uint8_t * src,int src_stride,int num_rows,uint8_t * dst,int dst_stride)13 void CopyPlane(const uint8_t* src,
14 int src_stride,
15 int num_rows,
16 uint8_t* dst,
17 int dst_stride) {
18 if (src_stride == dst_stride) {
19 memcpy(dst, src, src_stride * num_rows);
20 return;
21 }
22 const int bytes_per_row = std::min(src_stride, dst_stride);
23 while (--num_rows >= 0) {
24 memcpy(dst, src, bytes_per_row);
25 dst += dst_stride;
26 src += src_stride;
27 }
28 }
29 } // namespace cast
30 } // namespace openscreen
31