| 34 | logger = logging.getLogger(__name__) |
| 35 | |
| 36 | class VideoClient: |
| 37 | def __init__(self): |
| 38 | # Server commands |
| 39 | self.SET_FILENAME = 1 |
| 40 | self.STREAM_CONFIGURE = 2 |
| 41 | self.STREAM_ENABLE = 3 |
| 42 | self.STREAM_DISABLE = 4 |
| 43 | self.FRAME_READ = 5 |
| 44 | self.FRAME_WRITE = 6 |
| 45 | self.CLOSE_SERVER = 7 |
| 46 | # Color space |
| 47 | self.GRAYSCALE8 = 1 |
| 48 | self.RGB888 = 2 |
| 49 | self.BGR565 = 3 |
| 50 | self.YUV420 = 4 |
| 51 | self.NV12 = 5 |
| 52 | self.NV21 = 6 |
| 53 | # Variables |
| 54 | self.conn = None |
| 55 | |
| 56 | def connectToServer(self, address, authkey): |
| 57 | for _ in range(50): |
| 58 | try: |
| 59 | self.conn = Client(address, authkey=authkey.encode('utf-8')) |
| 60 | if isinstance(self.conn, Connection): |
| 61 | break |
| 62 | else: |
| 63 | self.conn = None |
| 64 | except Exception: |
| 65 | self.conn = None |
| 66 | time.sleep(0.01) |
| 67 | |
| 68 | def setFilename(self, filename, mode): |
| 69 | self.conn.send([self.SET_FILENAME, getcwd(), filename, mode]) |
| 70 | filename_valid = self.conn.recv() |
| 71 | |
| 72 | return filename_valid |
| 73 | |
| 74 | def configureStream(self, frame_width, frame_height, color_format, frame_rate): |
| 75 | self.conn.send([self.STREAM_CONFIGURE, frame_width, frame_height, color_format, frame_rate]) |
| 76 | configuration_valid = self.conn.recv() |
| 77 | |
| 78 | return configuration_valid |
| 79 | |
| 80 | def enableStream(self, mode): |
| 81 | self.conn.send([self.STREAM_ENABLE, mode]) |
| 82 | stream_active = self.conn.recv() |
| 83 | |
| 84 | return stream_active |
| 85 | |
| 86 | def disableStream(self): |
| 87 | self.conn.send([self.STREAM_DISABLE]) |
| 88 | stream_active = self.conn.recv() |
| 89 | |
| 90 | return stream_active |
| 91 | |
| 92 | def readFrame(self): |
| 93 | self.conn.send([self.FRAME_READ]) |