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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) 2026 metamuffin <metamuffin.org>
*/
use crate::codec_param::{av1::av1_codec_param, hevc::hevc_codec_param, vp9::vp9_codec_param};
use winter_matroska::TrackEntry;
mod av1;
mod hevc;
mod vp9;
#[derive(Debug, PartialEq, Eq)]
struct CodecParam {
bit_depth: Option<u8>,
string: String,
}
pub fn codec_param(te: &TrackEntry) -> String {
let empty_cp = vec![];
let cp = te.codec_private.as_ref().unwrap_or(&empty_cp);
match te.codec_id.as_str() {
"A_AAC" => "mp4a.40.2".to_string(),
"A_FLAC" => "flac".to_string(),
"A_OPUS" => "opus".to_string(),
"A_VORBIS" => "vorbis".to_string(),
"V_AV1" => av1_codec_param(cp).string,
"V_MPEG4/ISO/AVC" => format!("avc1.{:02x}{:02x}{:02x}", cp[1], cp[2], cp[3]),
"V_MPEGH/ISO/HEVC" => hevc_codec_param(cp).string,
"V_VP9" => vp9_codec_param(te),
"D_WEBVTT/SUBTITLES" => "webvtt".to_string(),
"S_TEXT/ASS" => "ass".to_string(),
x => todo!("{x:?}"),
}
}
pub fn codec_param_bit_depth(te: &TrackEntry) -> Option<u8> {
let empty_cp = vec![];
let cp = te.codec_private.as_ref().unwrap_or(&empty_cp);
match te.codec_id.as_str() {
"V_AV1" => av1_codec_param(cp).bit_depth,
"V_MPEGH/ISO/HEVC" => hevc_codec_param(cp).bit_depth,
_ => None,
}
}
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