scuffle_mp4/boxes/types/
hvcc.rs

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use std::io;

use bytes::Bytes;
use scuffle_h265::HEVCDecoderConfigurationRecord;

use crate::boxes::header::BoxHeader;
use crate::boxes::traits::BoxType;

#[derive(Debug, Clone, PartialEq)]
/// HEVC (H.265) Configuration Box
/// ISO/IEC 14496-15:2022 - 8.4
pub struct HvcC {
    pub header: BoxHeader,
    pub hevc_config: HEVCDecoderConfigurationRecord,
}

impl HvcC {
    pub fn new(hevc_config: HEVCDecoderConfigurationRecord) -> Self {
        Self {
            header: BoxHeader::new(Self::NAME),
            hevc_config,
        }
    }
}

impl BoxType for HvcC {
    const NAME: [u8; 4] = *b"hvcC";

    fn demux(header: BoxHeader, data: Bytes) -> io::Result<Self> {
        let mut reader = io::Cursor::new(data);
        Ok(Self {
            header,
            hevc_config: HEVCDecoderConfigurationRecord::demux(&mut reader)?,
        })
    }

    fn primitive_size(&self) -> u64 {
        self.hevc_config.size()
    }

    fn primitive_mux<T: io::Write>(&self, writer: &mut T) -> io::Result<()> {
        self.hevc_config.mux(writer)
    }
}