Link against libavdevice, and fail if any libs are missing
Link against libavdevice, and fail if any libs are missing

pupil-labs/PyAV,pupil-labs/PyAV,markreidvfx/PyAV,mikeboers/PyAV,mikeboers/PyAV,mcpv/PyAV,xxr3376/PyAV,danielballan/PyAV,pupil-labs/PyAV,pupil-labs/PyAV,mcpv/PyAV,xxr3376/PyAV,xxr3376/PyAV,danielballan/PyAV,markreidvfx/PyAV,markreidvfx/PyAV,PyAV-Org/PyAV,mcpv/PyAV,danielballan/PyAV,PyAV-Org/PyAV