Update format/readme

Kirika_test.go

@@ -25,7 +25,7 @@ const TestSingleSample24 = "resources/samples/cYsmix - Haunted House/11. The Gre
 const TestSingleSample16 = "resources/samples/Babbe Music - RADIANT DANCEFLOOR/01. ENTER.flac"
 const TestSingleSample16TTA = "resources/samples/Babbe Music - RADIANT DANCEFLOOR/01. ENTER.tta"
 
-func doTest(format format.Format, ext string, t *testing.T) {
+func doTest(format format.Decoder, ext string, t *testing.T) {
 	for _, location := range TestSampleLocations {
 		entries, err := os.ReadDir(location)
 		if err != nil {

README.md

@@ -24,6 +24,16 @@ sudo apt install libflac-dev
 sudo apt install libopus-dev libopusfile-dev
 ```
 
+### [libopusenc](https://github.com/xiph/libopusenc) (required by [go-pus](https://git.gammaspectra.live/S.O.N.G/go-pus))
+```shell
+git clone --depth https://github.com/xiph/libopusenc.git
+cd libopusenc
+./autogen.sh
+./configure --prefix /usr
+make
+sudo make install
+```
+
 ### [LAME](https://lame.sourceforge.io/) (required by [go-lame](hhttps://github.com/viert/go-lame))
 ```shell
 sudo apt install libmp3lame-dev

audio/format/analyzer.go

@@ -9,10 +9,18 @@ import (
 
 const chanBuf = 16
 
+type AnalyzerPacket struct {
+	//Samples interleaved samples
+	Samples    []int32
+	Channels   int
+	SampleRate int
+	BitDepth   int
+}
+
 type AnalyzerChannel chan *AnalyzerPacket
 
-type AnalyzerFormat interface {
-	Format
+type AnalyzerDecoder interface {
+	Decoder
 	// OpenAnalyzer Opens a stream and decodes it into an audio.Source, and additionally copy AnalyzerPacket back
 	OpenAnalyzer(r io.ReadSeekCloser) (audio.Source, AnalyzerChannel, error)
 }

audio/format/flac/flac.go

@@ -14,7 +14,7 @@ import (
 )
 
 type Format struct {
-	format.AnalyzerFormat
+	format.AnalyzerDecoder
 	format.Encoder
 }
 

audio/format/format.go

@@ -8,9 +8,6 @@ import (
 type Format interface {
 	// Identify checks whether a format is of a type. peek includes a few first bytes, extension is the lowercase file extension without a dot.
 	Identify(peek []byte, extension string) bool
-
-	// Open Opens a stream and decodes it into an audio.Source
-	Open(r io.ReadSeekCloser) (audio.Source, error)
 }
 
 type WriteSeekCloser interface {
@@ -19,16 +16,14 @@ type WriteSeekCloser interface {
 	io.Seeker
 }
 
+type Decoder interface {
+	Format
+	// Open a stream and decodes it into an audio.Source
+	Open(r io.ReadSeekCloser) (audio.Source, error)
+}
+
 type Encoder interface {
 	Format
 	// Encode Receives an audio.Source and encodes it into a writer. Some formats can do special operations if writer is also an io.Seeker
 	Encode(source audio.Source, writer io.WriteCloser, options map[string]interface{}) error
 }
-
-type AnalyzerPacket struct {
-	//Samples interleaved samples
-	Samples    []int32
-	Channels   int
-	SampleRate int
-	BitDepth   int
-}

audio/format/mp3/mp3.go

@@ -19,7 +19,7 @@ import (
 const BlockSize = 1024 * 128
 
 type Format struct {
-	format.Format
+	format.Decoder
 	format.Encoder
 }
 

audio/format/opus/opus.go

@@ -18,7 +18,7 @@ const FixedSampleRate int = 48000
 const BlockSize = 1024 * 128
 
 type Format struct {
-	format.Format
+	format.Decoder
 	format.Encoder
 }
 

audio/format/tta/tta.go

@@ -18,8 +18,7 @@ import (
 const BlockSize = 1024 * 128
 
 type Format struct {
-	format.Format
-	format.Encoder
+	format.AnalyzerDecoder
 }
 
 func NewFormat() Format {