v4l2codecs: Support YUV420M format
YUV420M format of V4L essentially is I420 with separate memory planes. It's used by NVIDIA Tegra V4L decoder. Support this format by v4l2codecs.
YUV420M format of V4L essentially is I420 with separate memory planes. It's used by NVIDIA Tegra V4L decoder. Support this format by v4l2codecs.