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use four_cc::FourCC;
use bytes::BytesMut;
use crate::Mp4Box;
use crate::Mp4BoxError;
use super::{DataInformationBox, SampleTableBox, SoundMediaHeaderBox, VideoMediaHeaderBox};
pub enum MediaHeader {
Video(VideoMediaHeaderBox),
Sound(SoundMediaHeaderBox),
}
pub struct MediaInformationBox {
pub media_header: MediaHeader,
pub dinf: DataInformationBox,
pub stbl: SampleTableBox,
}
impl Mp4Box for MediaInformationBox {
const NAME: FourCC = FourCC(*b"minf");
fn content_size(&self) -> u64 {
let mut size = self.dinf.size() + self.stbl.size();
match &self.media_header {
MediaHeader::Video(vmhd) => size += vmhd.size(),
MediaHeader::Sound(smhd) => size += smhd.size(),
}
size
}
fn write_box_contents(&self, writer: &mut BytesMut) -> Result<(), Mp4BoxError> {
match &self.media_header {
MediaHeader::Video(vmhd) => vmhd.write(writer)?,
MediaHeader::Sound(smhd) => smhd.write(writer)?,
}
self.dinf.write(writer)?;
self.stbl.write(writer)?;
Ok(())
}
}
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