From d5d4352b01b45edf0431c7fccdb0af119d6f58d6 Mon Sep 17 00:00:00 2001
From: Guillem Castro <guillemcastro4@gmail.com>
Date: Fri, 17 May 2024 17:40:35 +0200
Subject: [PATCH] remove file_sink

---
 src/file_sink.rs | 146 -----------------------------------------------
 src/lib.rs       |   1 -
 2 files changed, 147 deletions(-)
 delete mode 100644 src/file_sink.rs

diff --git a/src/file_sink.rs b/src/file_sink.rs
deleted file mode 100644
index 395ec2c..0000000
--- a/src/file_sink.rs
+++ /dev/null
@@ -1,146 +0,0 @@
-use std::path::Path;
-
-use audiotags::Tag;
-use audiotags::TagType;
-use flacenc::component::BitRepr;
-use flacenc::error::Verify;
-use librespot::playback::audio_backend::Sink;
-use librespot::playback::audio_backend::SinkError;
-use librespot::playback::convert::Converter;
-use librespot::playback::decoder::AudioPacket;
-
-use crate::encoder::get_encoder;
-use crate::encoder::Samples;
-use crate::track::TrackMetadata;
-
-pub enum SinkEvent {
-    Written { bytes: usize, total: usize },
-    Finished,
-}
-pub type SinkEventChannel = tokio::sync::mpsc::UnboundedReceiver<SinkEvent>;
-
-pub struct FileSink {
-    sink: String,
-    content: Vec<i32>,
-    metadata: TrackMetadata,
-    compression: u32,
-    event_sender: tokio::sync::mpsc::UnboundedSender<SinkEvent>,
-}
-
-impl FileSink {
-    pub fn set_compression(&mut self, compression: u32) {
-        self.compression = compression;
-    }
-
-    pub fn new(path: String, track: TrackMetadata) -> (Self, SinkEventChannel) {
-        let (tx, rx) = tokio::sync::mpsc::unbounded_channel();
-
-        (
-            FileSink {
-                sink: path,
-                content: Vec::new(),
-                metadata: track,
-                compression: 4,
-                event_sender: tx,
-            },
-            rx,
-        )
-    }
-
-    pub fn get_approximate_size(&self) -> usize {
-        self.convert_track_duration_to_size()
-    }
-
-    fn convert_track_duration_to_size(&self) -> usize {
-        let duration = self.metadata.duration / 1000;
-        let sample_rate = 44100;
-        let channels = 2;
-        let bits_per_sample = 16;
-        let bytes_per_sample = bits_per_sample / 8;
-        (duration as usize) * sample_rate * channels * bytes_per_sample * 2
-    }
-}
-
-impl Sink for FileSink {
-    fn start(&mut self) -> Result<(), SinkError> {
-        Ok(())
-    }
-
-    fn stop(&mut self) -> Result<(), SinkError> {
-        tracing::info!("Writing to file: {:?}", &self.sink);
-
-        // let config = flacenc::config::Encoder::default()
-        //     .into_verified()
-        //     .map_err(|_| SinkError::OnWrite("Failed to create flac encoder".to_string()))?;
-        // let source = flacenc::source::MemSource::from_samples(&self.content, 2, 16, 44100);
-        // let flac_stream = flacenc::encode_with_fixed_block_size(&config, source, config.block_size)
-        //     .map_err(|_| SinkError::OnWrite("Failed to encode flac".to_string()))?;
-        // let mut sink = flacenc::bitsink::ByteSink::new();
-        // flac_stream
-        //     .write(&mut sink)
-        //     .map_err(|_| SinkError::OnWrite("Failed to write flac to sink".to_string()))?;
-        // std::fs::write(&self.sink, sink.as_slice())
-        //     .map_err(|_| SinkError::OnWrite("Failed to write flac to file".to_string()))?;
-        let flac_enc = get_encoder(crate::encoder::Format::Flac)
-            .map_err(|_| SinkError::OnWrite("Failed to get flac encoder".to_string()))?;
-        let mp3_enc = get_encoder(crate::encoder::Format::Mp3)
-            .map_err(|_| SinkError::OnWrite("Failed to get mp3 encoder".to_string()))?;
-
-        let flac_stream = flac_enc.encode(Samples::new(
-            self.content.clone(),
-            44100,
-            2,
-            16,
-        ))
-        .map_err(|_| SinkError::OnWrite("Failed to encode flac".to_string()))?;
-        let mp3_stream = mp3_enc.encode(Samples::new(
-            self.content.clone(),
-            44100,
-            2,
-            16,
-        ))
-        .map_err(|_| SinkError::OnWrite("Failed to encode mp3".to_string()))?;
-
-        flac_stream.write_to_file(&self.sink)
-            .map_err(|_| SinkError::OnWrite("Failed to write flac to file".to_string()))?;
-        mp3_stream.write_to_file(&self.sink)
-            .map_err(|_| SinkError::OnWrite("Failed to write mp3 to file".to_string()))?;
-
-        let mut tag = Tag::new()
-            .with_tag_type(TagType::Flac)
-            .read_from_path(Path::new(&self.sink))
-            .map_err(|_| SinkError::OnWrite("Failed to read metadata".to_string()))?;
-
-        tag.set_album_title(&self.metadata.album.name);
-        for artist in &self.metadata.artists {
-            tag.add_artist(&artist.name);
-        }
-        tag.set_title(&self.metadata.track_name);
-        tag.write_to_path(&self.sink)
-            .map_err(|_| SinkError::OnWrite("Failed to write metadata".to_string()))?;
-
-        self.event_sender
-            .send(SinkEvent::Finished)
-            .map_err(|_| SinkError::OnWrite("Failed to send finished event".to_string()))?;
-        Ok(())
-    }
-
-    fn write(&mut self, packet: AudioPacket, converter: &mut Converter) -> Result<(), SinkError> {
-        let data = converter.f64_to_s16(
-            packet
-                .samples()
-                .map_err(|_| SinkError::OnWrite("Failed to get samples".to_string()))?,
-        );
-        let mut data32: Vec<i32> = data.iter().map(|el| i32::from(*el)).collect();
-        self.content.append(&mut data32);
-
-        self.event_sender
-            .send(SinkEvent::Written {
-                bytes: self.content.len() * std::mem::size_of::<i32>(),
-                total: self.convert_track_duration_to_size(),
-            })
-            .map_err(|_| SinkError::OnWrite("Failed to send event".to_string()))?;
-
-        Ok(())
-    }
-}
diff --git a/src/lib.rs b/src/lib.rs
index dac977a..9d56512 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,5 +1,4 @@
 pub mod download;
-// pub mod file_sink;
 pub mod channel_sink;
 pub mod session;
 pub mod track;