diff options
Diffstat (limited to 'src/boxes/avc1.rs')
| -rw-r--r-- | src/boxes/avc1.rs | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/boxes/avc1.rs b/src/boxes/avc1.rs new file mode 100644 index 0000000..dc306e5 --- /dev/null +++ b/src/boxes/avc1.rs @@ -0,0 +1,62 @@ +use byteorder::{BigEndian, WriteBytesExt}; +use four_cc::FourCC; + +use bytes::{BufMut, BytesMut}; + +use crate::Mp4Box; +use crate::Mp4BoxError; + +use super::AvcConfigurationBox; + +use std::mem::size_of; + +pub struct AvcSampleEntryBox { + pub width: u16, + pub height: u16, + pub avcc: AvcConfigurationBox, +} + +impl Mp4Box for AvcSampleEntryBox { + const NAME: FourCC = FourCC(*b"avc1"); + + fn content_size(&self) -> u64 { + size_of::<u8>() as u64 * 6 + + size_of::<u16>() as u64 + + size_of::<u8>() as u64 * 16 + + size_of::<u16>() as u64 + + size_of::<u16>() as u64 + + size_of::<u32>() as u64 + + size_of::<u32>() as u64 + + size_of::<u8>() as u64 * 4 + + size_of::<u16>() as u64 + + size_of::<u8>() as u64 * 32 + + size_of::<u16>() as u64 + + size_of::<i16>() as u64 + + self.avcc.size() + } + + fn write_box_contents(&self, writer: &mut BytesMut) -> Result<(), Mp4BoxError> { + let mut v = Vec::new(); + + v.extend(&[0u8; 6]); + v.write_u16::<BigEndian>(1)?; + + v.extend(&[0u8; 16]); + + v.write_u16::<BigEndian>(self.width)?; + v.write_u16::<BigEndian>(self.height)?; + v.write_u32::<BigEndian>(0x0048_0000)?; + v.write_u32::<BigEndian>(0x0048_0000)?; + v.extend(&[0u8; 4]); + v.write_u16::<BigEndian>(1)?; + v.extend(&[0u8; 32]); + v.write_u16::<BigEndian>(0x0018)?; + v.write_i16::<BigEndian>(-1)?; + + writer.put_slice(&v); + + self.avcc.write(writer)?; + + Ok(()) + } +} |
