third-party-mirrors/bliss-analyser
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Save analysis in a new COMMENT tag.

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CDrummond 2025-03-04 21:57:06 +00:00
parent 6cc26c399e
commit 0d877fe79e
1 changed files with 38 additions and 34 deletions

72
src/tags.rs

@ -7,7 +7,7 @@
**/
use crate::db;
use lofty::{Accessor, AudioFile, ItemKey, Tag, TagExt, TaggedFileExt};
use lofty::{Accessor, AudioFile, ItemKey, ItemValue, Tag, TagExt, TaggedFileExt, TagItem};
use regex::Regex;
use std::path::Path;
use substring::Substring;
@ -15,7 +15,7 @@ use bliss_audio::{Analysis, AnalysisIndex};
const MAX_GENRE_VAL: usize = 192;
const NUM_ANALYSIS_VALS: usize = 20;
const ANALYSIS_TAG:ItemKey = ItemKey::Script;
const ANALYSIS_TAG:ItemKey = ItemKey::Comment;
const ANALYSIS_TAG_START: &str = "BLISS_ANALYSIS";
const ANALYSIS_TAG_VER: u16 = 1;
@ -39,7 +39,8 @@ pub fn write_analysis(track: &String, analysis: &Analysis) {
}
},
};
tag.insert_text(ANALYSIS_TAG, value);
tag.push(TagItem::new(ANALYSIS_TAG, ItemValue::Text(value)));
let _ = tag.save_to_path(Path::new(track));
}
}
@ -103,43 +104,46 @@ pub fn read(track: &String, read_analysis: bool) -> db::Metadata {
meta.duration = file.properties().duration().as_secs() as u32;
if read_analysis {
let analysis_string = tag.get_string(&ANALYSIS_TAG).unwrap_or("");
if analysis_string.len()>(ANALYSIS_TAG_START.len()+(NUM_ANALYSIS_VALS*8)) {
let parts = analysis_string.split(",");
let mut index = 0;
let mut vals = [0.; NUM_ANALYSIS_VALS];
for part in parts {
if 0==index {
if part!=ANALYSIS_TAG_START {
break;
}
} else if 1==index {
match part.parse::<u16>() {
Ok(ver) => {
if ver!=ANALYSIS_TAG_VER {
let entries = tag.get_strings(&ANALYSIS_TAG);
for entry in entries {
if entry.len()>(ANALYSIS_TAG_START.len()+(NUM_ANALYSIS_VALS*8)) && entry.starts_with(ANALYSIS_TAG_START) {
let parts = entry.split(",");
let mut index = 0;
let mut vals = [0.; NUM_ANALYSIS_VALS];
for part in parts {
if 0==index {
if part!=ANALYSIS_TAG_START {
break;
}
} else if 1==index {
match part.parse::<u16>() {
Ok(ver) => {
if ver!=ANALYSIS_TAG_VER {
break;
}
},
Err(_) => {
break;
}
},
Err(_) => {
break;
}
}
} else if (index - 2) < NUM_ANALYSIS_VALS {
match part.parse::<f32>() {
Ok(val) => {
vals[index - 2] = val;
},
Err(_) => {
break;
} else if (index - 2) < NUM_ANALYSIS_VALS {
match part.parse::<f32>() {
Ok(val) => {
vals[index - 2] = val;
},
Err(_) => {
break;
}
}
} else {
break;
}
} else {
break;
index += 1;
}
index += 1;
}
if index == (NUM_ANALYSIS_VALS+2) {
meta.analysis = Some(Analysis::new(vals));
if index == (NUM_ANALYSIS_VALS+2) {
meta.analysis = Some(Analysis::new(vals));
}
break;
}
}
}