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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2025 metamuffin <metamuffin.org>
*/
use crate::muxers::{FragmentMuxer, matroska::MatroskaFragmentMuxer};
use anyhow::Result;
use std::{
io::{Cursor, Write, copy},
process::{Command, Stdio},
thread::spawn,
};
use winter_matroska::Segment;
pub struct Mpeg4FragmentMuxer;
impl FragmentMuxer for Mpeg4FragmentMuxer {
fn write_fragment(out: &mut dyn Write, segment: Segment) -> Result<()> {
let mut mk_frag = Vec::new();
MatroskaFragmentMuxer::write_fragment(&mut mk_frag, segment)?;
let mut child = Command::new("ffmpeg")
.args(
"-hide_banner -f matroska -i pipe:0 -c copy -f mp4 -movflags frag_keyframe+empty_moov pipe:1"
.split(" "),
)
.stdin(Stdio::piped())
.stdout(Stdio::piped())
.spawn()?;
let mut stdin = child.stdin.take().unwrap();
let mut stdout = child.stdout.take().unwrap();
spawn(move || copy(&mut Cursor::new(mk_frag), &mut stdin));
copy(&mut stdout, out)?;
Ok(())
}
}
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