"vp8": "libvpx"
}
- def _transcode(self, container, a_codec=None, v_codec=None,
+ def _transcode(self, container, extension=None, a_codec=None, v_codec=None,
a_bitrate=None, a_samplingrate=None, a_channels=None,
v_bitrate=None, v_framerate=None, v_resolution=None, v_dar=None):