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Fix a bug in WAV decoding

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This commit is contained in:
Polochon-street 2022-09-26 22:55:10 +02:00
parent 411cdb6ecf
commit 8f36dd3ee8
8 changed files with 100 additions and 40 deletions
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3
CHANGELOG.md
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@ -1,5 +1,8 @@
#Changelog
## bliss 0.6.1
* Fix a decoding bug while decoding certain WAV files.
## bliss 0.6.0
* Change String to PathBuf in `analyze_paths`.
* Add `analyze_paths_with_cores`.

2
Cargo.lock generated
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@ -85,7 +85,7 @@ checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "bliss-audio"
version = "0.6.0"
version = "0.6.1"
dependencies = [
"anyhow",
"bliss-audio-aubio-rs",

2
Cargo.toml
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@ -1,6 +1,6 @@
[package]
name = "bliss-audio"
version = "0.6.0"
version = "0.6.1"
authors = ["Polochon-street <polochonstreet@gmx.fr>"]
edition = "2018"
license = "GPL-3.0-only"

29
data/empty.cue Normal file
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@ -0,0 +1,29 @@
REM GENRE Random
REM DATE 2022
PERFORMER "Polochon_street"
TITLE "Album for CUE test"
FILE "empty.wav" WAVE
TRACK 01 AUDIO
TITLE "Renaissance"
PERFORMER "David TMX"
INDEX 01 0:00:00
TRACK 02 AUDIO
TITLE "Piano"
PERFORMER "Polochon_street"
INDEX 01 0:11:05
TRACK 03 AUDIO
TITLE "Tone"
PERFORMER "Polochon_street"
INDEX 01 0:16:69
FILE "not-existing.wav" WAVE
TRACK 01 AUDIO
TITLE "Nope"
PERFORMER "Charlie"
INDEX 01 0:00:00
TRACK 02 AUDIO
TITLE "Nope"
PERFORMER "Charlie"
INDEX 01 0:10:00

BIN
data/empty.wav Normal file
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BIN
data/piano.wav Normal file
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20
src/cue.rs
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@ -55,7 +55,15 @@ impl BlissCue {
let mut songs = Vec::new();
for cue_file in cue_files.into_iter() {
match cue_file {
Ok(f) => songs.extend_from_slice(&f.get_songs()),
Ok(f) => {
if !f.sample_array.is_empty() {
songs.extend_from_slice(&f.get_songs());
} else {
songs.push(Err(BlissError::DecodingError(
"empty audio file associated to CUE sheet".into(),
)));
}
}
Err(e) => songs.push(Err(e)),
}
}
@ -187,6 +195,16 @@ mod tests {
use super::*;
use pretty_assertions::assert_eq;
#[test]
fn test_empty_cue() {
let songs = BlissCue::songs_from_path("data/empty.cue").unwrap();
let error = songs[0].to_owned().unwrap_err();
assert_eq!(
error,
BlissError::DecodingError("empty audio file associated to CUE sheet".to_string())
);
}
#[test]
fn test_cue_analysis() {
let songs = BlissCue::songs_from_path("data/testcue.cue").unwrap();

74
src/song.rs
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@ -26,7 +26,6 @@ use ::log::warn;
use core::ops::Index;
use crossbeam::thread;
use ffmpeg_next::codec::threading::{Config, Type as ThreadingType};
use ffmpeg_next::util;
use ffmpeg_next::util::channel_layout::ChannelLayout;
use ffmpeg_next::util::error::Error;
use ffmpeg_next::util::error::EINVAL;
@ -34,6 +33,7 @@ use ffmpeg_next::util::format::sample::{Sample, Type};
use ffmpeg_next::util::frame::audio::Audio;
use ffmpeg_next::util::log;
use ffmpeg_next::util::log::level::Level;
use ffmpeg_next::{media, util};
use ndarray::{arr1, Array1};
use std::convert::TryInto;
use std::fmt;
@ -433,24 +433,21 @@ impl Song {
path: path.into(),
..Default::default()
};
let mut format = ffmpeg::format::input(&path).map_err(|e| {
let mut ictx = ffmpeg::format::input(&path).map_err(|e| {
BlissError::DecodingError(format!(
"while opening format for file '{}': {:?}.",
path.display(),
e
))
})?;
let (mut codec, stream, expected_sample_number) = {
let stream = format
.streams()
.find(|s| s.parameters().medium() == ffmpeg::media::Type::Audio)
.ok_or_else(|| {
let (mut decoder, stream, expected_sample_number) = {
let input = ictx.streams().best(media::Type::Audio).ok_or_else(|| {
BlissError::DecodingError(format!(
"No audio stream found for file '{}'.",
path.display()
))
})?;
let mut context = ffmpeg::codec::context::Context::from_parameters(stream.parameters())
let mut context = ffmpeg::codec::context::Context::from_parameters(input.parameters())
.map_err(|e| {
BlissError::DecodingError(format!(
"Could not load the codec context for file '{}': {:?}",
@ -463,13 +460,14 @@ impl Song {
count: 0,
safe: true,
});
let codec = context.decoder().audio().map_err(|e| {
let decoder = context.decoder().audio().map_err(|e| {
BlissError::DecodingError(format!(
"when finding codec for file '{}': {:?}.",
"when finding decoder for file '{}': {:?}.",
path.display(),
e
))
})?;
// Add SAMPLE_RATE to have one second margin to avoid reallocating if
// the duration is slightly more than estimated
// TODO>1.0 another way to get the exact number of samples is to decode
@ -477,62 +475,61 @@ impl Song {
// allocate the array with that number, and decode again. Check
// what's faster between reallocating, and just have one second
// leeway.
let expected_sample_number = (SAMPLE_RATE as f32 * stream.duration() as f32
/ stream.time_base().denominator() as f32)
let expected_sample_number = (SAMPLE_RATE as f32 * input.duration() as f32
/ input.time_base().denominator() as f32)
.ceil()
+ SAMPLE_RATE as f32;
(codec, stream.index(), expected_sample_number)
(decoder, input.index(), expected_sample_number)
};
let sample_array: Vec<f32> = Vec::with_capacity(expected_sample_number as usize);
if let Some(title) = format.metadata().get("title") {
if let Some(title) = ictx.metadata().get("title") {
song.title = match title {
"" => None,
t => Some(t.to_string()),
};
};
if let Some(artist) = format.metadata().get("artist") {
if let Some(artist) = ictx.metadata().get("artist") {
song.artist = match artist {
"" => None,
a => Some(a.to_string()),
};
};
if let Some(album) = format.metadata().get("album") {
if let Some(album) = ictx.metadata().get("album") {
song.album = match album {
"" => None,
a => Some(a.to_string()),
};
};
if let Some(genre) = format.metadata().get("genre") {
if let Some(genre) = ictx.metadata().get("genre") {
song.genre = match genre {
"" => None,
g => Some(g.to_string()),
};
};
if let Some(track_number) = format.metadata().get("track") {
if let Some(track_number) = ictx.metadata().get("track") {
song.track_number = match track_number {
"" => None,
t => Some(t.to_string()),
};
};
if let Some(album_artist) = format.metadata().get("album_artist") {
if let Some(album_artist) = ictx.metadata().get("album_artist") {
song.album_artist = match album_artist {
"" => None,
t => Some(t.to_string()),
};
};
let in_channel_layout = {
if codec.channel_layout() == ChannelLayout::empty() {
ChannelLayout::default(codec.channels().into())
if decoder.channel_layout() == ChannelLayout::empty() {
ChannelLayout::default(decoder.channels().into())
} else {
codec.channel_layout()
decoder.channel_layout()
}
};
codec.set_channel_layout(in_channel_layout);
decoder.set_channel_layout(in_channel_layout);
let (tx, rx) = mpsc::channel();
let in_codec_format = codec.format();
let in_codec_rate = codec.rate();
let in_codec_format = decoder.format();
let in_codec_rate = decoder.rate();
let child = std_thread::spawn(move || {
resample_frame(
rx,
@ -542,11 +539,11 @@ impl Song {
sample_array,
)
});
for (s, packet) in format.packets() {
for (s, packet) in ictx.packets() {
if s.index() != stream {
continue;
}
match codec.send_packet(&packet) {
match decoder.send_packet(&packet) {
Ok(_) => (),
Err(Error::Other { errno: EINVAL }) => {
return Err(BlissError::DecodingError(format!(
@ -568,7 +565,7 @@ impl Song {
loop {
let mut decoded = ffmpeg::frame::Audio::empty();
match codec.receive_frame(&mut decoded) {
match decoder.receive_frame(&mut decoded) {
Ok(_) => {
tx.send(decoded).map_err(|e| {
BlissError::DecodingError(format!(
@ -585,7 +582,7 @@ impl Song {
// Flush the stream
let packet = ffmpeg::codec::packet::Packet::empty();
match codec.send_packet(&packet) {
match decoder.send_packet(&packet) {
Ok(_) => (),
Err(Error::Other { errno: EINVAL }) => {
return Err(BlissError::DecodingError(format!(
@ -607,7 +604,7 @@ impl Song {
loop {
let mut decoded = ffmpeg::frame::Audio::empty();
match codec.receive_frame(&mut decoded) {
match decoder.receive_frame(&mut decoded) {
Ok(_) => {
tx.send(decoded).map_err(|e| {
BlissError::DecodingError(format!(
@ -667,7 +664,11 @@ fn resample_frame(
let mut something_happened = false;
for decoded in rx.iter() {
if in_codec_format != decoded.format()
|| in_channel_layout != decoded.channel_layout()
|| (in_channel_layout != decoded.channel_layout())
// If the decoded layout is empty, it means we forced the
// "in_channel_layout" to something default, not that
// the format is wrong.
&& (decoded.channel_layout() != ChannelLayout::empty())
|| in_rate != decoded.rate()
{
warn!("received decoded packet with wrong format; file might be corrupted.");
@ -945,6 +946,15 @@ mod tests {
assert_eq!(song.analysis[AnalysisIndex::Chroma10], -0.95968974);
}
#[test]
fn test_decode_wav() {
let expected_hash = [
0xf0, 0xe0, 0x85, 0x4e, 0xf6, 0x53, 0x76, 0xfa, 0x7a, 0xa5, 0x65, 0x76, 0xf9, 0xe1,
0xe8, 0xe0, 0x81, 0xc8, 0xdc, 0x61,
];
_test_decode(Path::new("data/piano.wav"), &expected_hash);
}
#[test]
fn test_debug_analysis() {
let song = Song::from_path("data/s16_mono_22_5kHz.flac").unwrap();