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use bitflags::bitflags;
use std::{fmt, str};
use crate::fourcc::FourCC;
use crate::v4l_sys::*;
bitflags! {
#[allow(clippy::unreadable_literal)]
pub struct Flags : u32 {
const COMPRESSED = 0x0001;
const EMULATED = 0x0002;
const CONTINUOUS_BITSTREAM = 0x0004;
const DYN_RESOLUTION = 0x0008;
}
}
impl From<u32> for Flags {
fn from(flags: u32) -> Self {
Flags::from_bits_truncate(flags)
}
}
impl Into<u32> for Flags {
fn into(self) -> u32 {
self.bits()
}
}
impl fmt::Display for Flags {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
fmt::Debug::fmt(self, f)
}
}
#[derive(Debug)]
pub struct Description {
pub index: u32,
pub typ: u32,
pub flags: Flags,
pub description: String,
pub fourcc: FourCC,
}
impl fmt::Display for Description {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
writeln!(f, "index : {}", self.index)?;
writeln!(f, "type: : {}", self.typ)?;
writeln!(f, "flags: : {}", self.flags)?;
writeln!(f, "description : {}", self.description)?;
writeln!(f, "fourcc : {}", self.fourcc)?;
Ok(())
}
}
impl From<v4l2_fmtdesc> for Description {
fn from(desc: v4l2_fmtdesc) -> Self {
Description {
index: desc.index,
typ: desc.type_,
flags: Flags::from(desc.flags),
description: str::from_utf8(&desc.description)
.unwrap()
.trim_matches(char::from(0))
.to_string(),
fourcc: FourCC::from(desc.pixelformat),
}
}
}