AVOutputFormat ff_sdl2_muxer
AVOutputFormat ff_xv_muxer
AVOutputFormat ff_v4l2_muxer
AVOutputFormat ff_alsa_muxer
AVOutputFormat ff_sndio_muxer
static const AVOutputFormat *const outdev_list[]
AVOutputFormat ff_oss_muxer
AVOutputFormat ff_fbdev_muxer