encoders: Fix for typo in videodev2 import

This typo was missed by the tests as the __init__ function for the
encoder module was also incorrect. Use the get_platform() function to
correctly retrieve the running platform.

Signed-off-by: Naushir Patuck <[email protected]>

Author: naushir

picamera2/encoders/__init__.py

@@ -2,20 +2,15 @@
 
 import videodev2
 
+from picamera2.platform import Platform, get_platform
+
 from .encoder import Encoder, Quality
 from .jpeg_encoder import JpegEncoder
 from .libav_h264_encoder import LibavH264Encoder
 from .libav_mjpeg_encoder import LibavMjpegEncoder
 from .multi_encoder import MultiEncoder
 
-_hw_encoder_available = False
-try:
-    with open('/dev/video11', 'rb', buffering=0) as fd:
-        caps = videodev2.v4l2_capability()
-        fcntl.ioctl(fd, videodev2.VIDIOC_QUERYCAP, caps)
-        _hw_encoder_available = (caps.card.decode('utf-8') == "bcm2835-codec-encode")
-except Exception:
-    pass
+_hw_encoder_available = get_platform() == Platform.VC4
 
 if _hw_encoder_available:
     from .h264_encoder import H264Encoder

picamera2/encoders/v4l2_encoder.py

@@ -7,7 +7,7 @@
 import select
 import threading
 
-from vidoedev2 import *
+from videodev2 import *
 
 from picamera2.encoders.encoder import Encoder
 

tests/test_list.txt

@@ -74,6 +74,7 @@ tests/display_transform_null.py
 tests/display_transform_qt.py
 tests/easy_video2.py
 tests/egl_leak.py
+tests/encoder_import.py
 tests/encoder_start_stop.py
 tests/ffmpeg_abort.py
 tests/grey_world.py