revid: changed PCM lexer timing

previously the lexer would read before any audio was generated, resulting in silence but now the timing is correct.

codec/lex/lex.go

@@ -257,18 +257,13 @@ func PCM(dst io.Writer, src io.Reader, delay time.Duration, bufSize int) error {
 	}
 
 	for {
+		<-tick
 		buf := make([]byte, bufSize)
-		fmt.Printf("LEXER reading: %v bytes\n", bufSize)
+		_, err := src.Read(buf)
-		n, err := src.Read(buf)
 		if err != nil {
 			return err
 		}
-		<-tick
+		_, err = dst.Write(buf)
-		fmt.Printf("LEXER: read %v bytes\n", n)
-		fmt.Printf("LEXER: writing: %v bytes\n", len(buf))
-		// fmt.Printf("LEXER: %v\n", buf)
-		n, err = dst.Write(buf)
-		fmt.Printf("LEXER: wrote %v bytes\n\n", n)
 		if err != nil {
 			return err
 		}

revid/audio-input.go

@@ -257,10 +257,8 @@ func (a *AudioInput) input() {
 
 		log.Log(logger.Debug, "Audio format conversion has been performed where needed")
 
-		fmt.Printf("Writing %v bytes to ringbuffer\n", len(toWrite.Data))
 		var n int
 		n, err = a.rb.Write(toWrite.Data)
-		fmt.Printf("Wrote %v bytes to ringbuffer\n", n)
 		switch err {
 		case nil:
 			log.Log(logger.Debug, "Wrote audio to ringbuffer", "length", n)
@@ -273,9 +271,9 @@ func (a *AudioInput) input() {
 	}
 }
 
-// read reads a full PCM chunk from the ringbuffer, returning the number of bytes read upon success.
+// Read reads a full PCM chunk from the ringbuffer, returning the number of bytes read upon success.
 // Any errors returned are unexpected and should be considered fatal.
-func (a AudioInput) Read(p []byte) (n int, err error) {
+func (a *AudioInput) Read(p []byte) (n int, err error) {
 	fmt.Println("Performing AudioInput read...")
 	chunk, err := a.rb.Next(rbNextTimeout)
 	switch err {
@@ -290,9 +288,7 @@ func (a AudioInput) Read(p []byte) (n int, err error) {
 		log.Log(logger.Error, "Unexpected error from ring.Next", "error", err.Error())
 		return 0, err
 	}
-	fmt.Printf("Reading %v bytes from ringbuffer\n", chunk.Len())
 	n, err = io.ReadFull(a.rb, p[:chunk.Len()])
-	fmt.Printf("Read %v bytes from ringbuffer\n", n)
 	if err != nil {
 		log.Log(logger.Error, "Unexpected error from ring.Read", "error", err.Error())
 		return n, err