Properly handle float32 samples for analyzer

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 {
+		if float32Source, ok := sources[1].(audio.TypedSource[float32]); ok {
-			for block := range sources[1].ToInt32(source.GetBitDepth()).GetBlocks() {
+			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 {