From 88915d15d42ff85d9ed08777c60a25328b45acff Mon Sep 17 00:00:00 2001
From: WeebDataHoarder <57538841+WeebDataHoarder@users.noreply.github.com>
Date: Sun, 29 Jan 2023 14:29:12 +0100
Subject: [PATCH] Properly handle float32 samples for analyzer

---
 audio/format/analyzer.go | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/audio/format/analyzer.go b/audio/format/analyzer.go
index a4602b9..19df2fc 100644
--- a/audio/format/analyzer.go
+++ b/audio/format/analyzer.go
@@ -3,8 +3,10 @@ package format
 import (
 	"git.gammaspectra.live/S.O.N.G/Kirika/audio"
 	"io"
+	"runtime"
 	"sync"
 	"sync/atomic"
+	"unsafe"
 )
 
 const chanBuf = 16
@@ -37,13 +39,17 @@ func NewAnalyzerChannel(source audio.Source, err error) (audio.Source, AnalyzerC
 	go func() {
 		defer close(channel)
 
-		if _, ok := sources[1].(audio.TypedSource[float32]); ok {
-			for block := range sources[1].ToInt32(source.GetBitDepth()).GetBlocks() {
+		if float32Source, ok := sources[1].(audio.TypedSource[float32]); ok {
+			for block := range float32Source.GetBlocks() {
+				//Convert float32 to int32 representation with 32 bit depth, so it hashes the same way
+				buf := make([]int32, len(block))
+				copy(buf, unsafe.Slice((*int32)(unsafe.Pointer(&block[0])), len(block)))
+				runtime.KeepAlive(block)
 				channel <- &AnalyzerPacket{
-					Samples:    block,
+					Samples:    buf,
 					Channels:   source.GetChannels(),
 					SampleRate: source.GetSampleRate(),
-					BitDepth:   source.GetBitDepth(),
+					BitDepth:   32,
 				}
 			}
 		} else {