ffmpeg 0.3.0

Safe FFmpeg wrapper
Documentation 
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use ffi::*;
use sys::SwrEngine::*;

#[derive(Eq, PartialEq, Copy, Clone, Debug)]
pub enum Engine {
    Software,
    SoundExchange,
}

impl From<SwrEngine> for Engine {
    fn from(value: SwrEngine) -> Engine {
        match value {
            SWR_ENGINE_SWR => Engine::Software,
            SWR_ENGINE_SOXR => Engine::SoundExchange,
            SWR_ENGINE_NB => Engine::Software,
        }
    }
}

impl Into<SwrEngine> for Engine {
    fn into(self) -> SwrEngine {
        match self {
            Engine::Software => SWR_ENGINE_SWR,
            Engine::SoundExchange => SWR_ENGINE_SOXR,
        }
    }
}