1 | /* --------------------------------------------------------------------------- |
2 | ** This software is in the public domain, furnished "as is", without technical |
3 | ** support, and with no warranty, express or implied, as to its usefulness for |
4 | ** any purpose. |
5 | ** |
6 | ** V4l2ReadWriteDevice.cpp |
7 | ** |
8 | ** V4L2 source using read/write API |
9 | ** |
10 | ** -------------------------------------------------------------------------*/ |
11 | |
12 | #include <unistd.h> |
13 | |
14 | #include "V4l2ReadWriteDevice.h" |
15 | |
16 | V4l2ReadWriteDevice::V4l2ReadWriteDevice(const V4L2DeviceParameters& params, v4l2_buf_type deviceType) : V4l2Device(params, deviceType) { |
17 | } |
18 | |
19 | |
20 | size_t V4l2ReadWriteDevice::writeInternal(char* buffer, size_t bufferSize) { |
21 | return ::write(m_fd, buffer, bufferSize); |
22 | } |
23 | |
24 | size_t V4l2ReadWriteDevice::readInternal(char* buffer, size_t bufferSize) { |
25 | return ::read(m_fd, buffer, bufferSize); |
26 | } |
27 | |
28 | |
29 | |
30 | |