From 0f5bcb8e4673c6e5dff23ecf9c1e3767b8c38916 Mon Sep 17 00:00:00 2001
From: Alex Janka <alex@alexjanka.com>
Date: Sun, 19 Feb 2023 19:10:49 +1100
Subject: [PATCH] remove saving audio

---
 Cargo.lock                       |  7 ------
 Cargo.toml                       |  1 -
 src/processor/memory/mmio/apu.rs | 37 --------------------------------
 3 files changed, 45 deletions(-)

diff --git a/Cargo.lock b/Cargo.lock
index 4708065..87493da 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -413,7 +413,6 @@ dependencies = [
  "cpal",
  "futures",
  "gilrs",
- "hound",
  "minifb",
  "rand",
  "ringbuf",
@@ -492,12 +491,6 @@ dependencies = [
  "libc",
 ]
 
-[[package]]
-name = "hound"
-version = "3.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4d13cdbd5dbb29f9c88095bbdc2590c9cba0d0a1269b983fef6b2cdd7e9f4db1"
-
 [[package]]
 name = "indexmap"
 version = "1.9.2"
diff --git a/Cargo.toml b/Cargo.toml
index 9a20096..8f5958c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,4 +16,3 @@ cpal = "0.15.0"
 ringbuf = "0.3.2"
 async-ringbuf = "0.1.2"
 futures = "0.3.26"
-hound = "3.5.0"
diff --git a/src/processor/memory/mmio/apu.rs b/src/processor/memory/mmio/apu.rs
index ba95fdb..6c79bd7 100644
--- a/src/processor/memory/mmio/apu.rs
+++ b/src/processor/memory/mmio/apu.rs
@@ -1,5 +1,3 @@
-use std::{fs::File, io::BufWriter, path::Path};
-
 use self::{
     channels::EnvelopeMode,
     types::{Channels, DacSample, Mixer, VinEnable, Volume},
@@ -18,7 +16,6 @@ use cpal::{
     Device, Stream, StreamConfig,
 };
 use futures::executor;
-use hound::WavWriter;
 use samplerate::{ConverterType, Samplerate};
 
 mod channels;
@@ -59,11 +56,8 @@ pub struct Apu {
     stream: Option<Stream>,
     send_rb: Option<AsyncHeapProducer<f32>>,
     converter: Samplerate,
-    writer: Option<WavWriter<BufWriter<File>>>,
 }
 
-const IS_SAVING: bool = true;
-
 impl Default for Apu {
     fn default() -> Self {
         let host = cpal::default_host();
@@ -80,31 +74,6 @@ impl Default for Apu {
             .expect("no supported config?!")
             .with_max_sample_rate();
 
-        let base_filename = "wavs/out";
-        let mut filename = format!("{base_filename}.wav");
-        let mut i = 0;
-        while Path::new(filename.as_str()).exists() {
-            i += 1;
-            filename = format!("{base_filename} ({i}).wav");
-        }
-
-        let writer = if IS_SAVING {
-            Some(
-                hound::WavWriter::create(
-                    filename,
-                    hound::WavSpec {
-                        channels: config.channels(),
-                        sample_rate: config.sample_rate().0,
-                        bits_per_sample: (config.sample_format().sample_size() * 8) as u16,
-                        sample_format: hound::SampleFormat::Float,
-                    },
-                )
-                .unwrap(),
-            )
-        } else {
-            None
-        };
-
         let converter = Samplerate::new(
             ConverterType::SincBestQuality,
             CLOCK_SPEED as u32,
@@ -128,7 +97,6 @@ impl Default for Apu {
             stream: None,
             send_rb: None,
             converter,
-            writer,
         }
     }
 }
@@ -215,11 +183,6 @@ impl Apu {
                 )
                 .unwrap();
             executor::block_on(send.push_slice(&converted)).unwrap();
-            if let Some(ref mut writer) = self.writer {
-                for v in converted {
-                    writer.write_sample(v).unwrap();
-                }
-            }
         }
     }