async-mp4 0.1.1

Async Mp4 Muxer and Demuxer in pure rust
Documentation 
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use crate::full_box;
use crate::mp4box::box_unknown::UnknownBox;
use crate::types::array::Mp4Array;
use async_trait::async_trait;
use crate::bytes_read::{Mp4Readable, ReadMp4};
use crate::bytes_write::{Mp4Writable, WriteMp4};
use crate::error::MP4Error;
use crate::header::BoxHeader;
use crate::mp4box::avc1::{Avc1Box};
use crate::mp4box::box_trait::{BoxRead, BoxWrite, IBox};
use crate::mp4box::opus::OpusBox;

#[derive(Debug, Clone, Eq, PartialEq, Hash)]
pub enum StsdSampleEntry {
    Avc1(Avc1Box),
    Opus(OpusBox),
    Unknown(UnknownBox),
}

#[async_trait]
impl Mp4Readable for StsdSampleEntry {
    async fn read<R: ReadMp4>(reader: &mut R) -> Result<Self, MP4Error> {
        let header: BoxHeader = reader.read().await?;
        Ok(match header.id {
            Avc1Box::ID => Self::Avc1(<Avc1Box as BoxRead>::read(header, reader).await?),
            OpusBox::ID => Self::Opus(<OpusBox as BoxRead>::read(header, reader).await?),
            _ => Self::Unknown(<UnknownBox as BoxRead>::read(header, reader).await?)
        })
    }
}

impl Mp4Writable for StsdSampleEntry {
    fn byte_size(&self) -> usize {
        match self {
            StsdSampleEntry::Avc1(it) => it.byte_size(),
            StsdSampleEntry::Opus(it) => it.byte_size(),
            StsdSampleEntry::Unknown(it) => it.byte_size()
        }
    }

    fn write<W: WriteMp4>(&self, writer: &mut W) -> Result<usize, MP4Error> {
        match self {
            StsdSampleEntry::Avc1(it) => it.write(writer),
            StsdSampleEntry::Opus(it) => it.write(writer),
            StsdSampleEntry::Unknown(it) => it.write(writer)
        }
    }
}

full_box! {
    box (b"stsd", Stsd, StsdBox, u32) data {
        entries: Mp4Array<u32, StsdSampleEntry>
    }
}