eta357/LibreTunes-Nix-Test
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Add returning codec type to audio util function

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This commit is contained in:
Ethan Girouard 2024-05-10 14:09:24 -04:00
parent 695f404ba8
commit 5d7ac2bb80
Signed by: eta357
GPG Key ID: 7BCDC36DFD11C146
1 changed files with 8 additions and 4 deletions
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12
src/util/audio.rs
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@ -1,11 +1,13 @@
use symphonia::core::codecs::CodecType;
use symphonia::core::formats::FormatOptions; use symphonia::core::formats::FormatOptions;
use symphonia::core::io::MediaSourceStream; use symphonia::core::io::MediaSourceStream;
use symphonia::core::meta::MetadataOptions; use symphonia::core::meta::MetadataOptions;
use symphonia::core::probe::Hint; use symphonia::core::probe::Hint;
use std::fs::File; use std::fs::File;
/// Measure the duration (in seconds) of an audio file /// Extract the codec and duration of an audio file
pub fn measure_duration(file: File) -> Result<u64, Box<dyn std::error::Error>> { /// This is combined into one function because the file object will be consumed
pub fn extract_metadata(file: File) -> Result<(CodecType, u64), Box<dyn std::error::Error>> {
let source_stream = MediaSourceStream::new(Box::new(file), Default::default()); let source_stream = MediaSourceStream::new(Box::new(file), Default::default());
let hint = Hint::new(); let hint = Hint::new();
@ -26,8 +28,10 @@ pub fn measure_duration(file: File) -> Result<u64, Box<dyn std::error::Error>> {
.map(|frames| track.codec_params.start_ts + frames) .map(|frames| track.codec_params.start_ts + frames)
.ok_or("Missing number of frames")?; .ok_or("Missing number of frames")?;
duration let duration = duration
.checked_mul(time_base.numer as u64) .checked_mul(time_base.numer as u64)
.and_then(|v| v.checked_div(time_base.denom as u64)) .and_then(|v| v.checked_div(time_base.denom as u64))
.ok_or("Overflow while computing duration".into()) .ok_or("Overflow while computing duration")?;
Ok((track.codec_params.codec, duration))
} }