1 files changed, 0 insertions, 140 deletions
diff --git a/wav/wav.go b/wav/wav.go
deleted file mode 100644
index acd7841..0000000
--- a/wav/wav.go
+++ /dev/null
@@ -1,140 +0,0 @@
-package wav
-
-// #define DR_WAV_IMPLEMENTATION
-// #include "dr_wav.h"
-import "C"
-import (
-	"fmt"
-
-	"sync"
-
-	"github.com/op/go-logging"
-	"layeh.com/gopus"
-)
-
-// number of individual samples per channel per batch
-const samplesPerChannelPerBatch = 1920
-
-var log = logging.MustGetLogger("wav")
-
-type Wav struct {
-	filename *C.char
-	enc      *gopus.Encoder
-	wav      *C.drwav
-
-	once sync.Once
-	Done <-chan struct{}
-	done chan<- struct{}
-}
-
-func New(filename string) (*Wav, error) {
-	cfname := C.CString(filename)
-	wav := C.drwav_open_file(cfname)
-	if wav == nil {
-		C.drwav_close(wav)
-		return nil, fmt.Errorf("Unable to initialize drwav.")
-	}
-
-	if int(wav.channels) != 2 {
-		C.drwav_close(wav)
-		return nil, fmt.Errorf("Wrong number of channels!")
-	}
-
-	if int(wav.sampleRate) != 48000 {
-		C.drwav_close(wav)
-		return nil, fmt.Errorf("Wrong sample rate.")
-	}
-
-	enc, err := gopus.NewEncoder(int(wav.sampleRate), int(wav.channels), gopus.Audio)
-	if err != nil {
-		C.drwav_close(wav)
-		return nil, err
-	}
-
-	done := make(chan struct{}, 1)
-	return &Wav{
-		filename: C.CString(filename),
-		enc:      enc,
-		wav:      wav,
-
-		done: done,
-		Done: done,
-	}, nil
-}
-
-func (w *Wav) Stop() {
-	w.once.Do(func() {
-		close(w.done)
-	})
-}
-
-func (w *Wav) Start(ch chan<- []byte) {
-	go func() {
-		defer w.Stop()
-
-		samplesPerBatch := samplesPerChannelPerBatch * int(w.wav.channels)
-		batchSize := samplesPerBatch * int(w.wav.bytesPerSample)
-
-		buf := C.malloc(C.size_t(batchSize))
-		defer C.free(buf)
-		defer C.drwav_close(w.wav)
-
-		elems := make([]int16, samplesPerBatch)
-		idx := 0
-
-		for i := 0; i*samplesPerBatch <= int(w.wav.totalSampleCount); i += 1 {
-			readSamples := C.drwav_read_s16(w.wav, C.dr_uint64(samplesPerBatch), (*C.dr_int16)(buf))
-			slc := (*[1 << 30]int16)(buf)[:readSamples:readSamples]
-
-			readIdx := 0
-
-			for {
-				batchSamplesToFill := samplesPerBatch - idx
-				readSamplesRemaining := int(readSamples) - readIdx
-
-				// break if we don't have enough samples to fill the rest of the buffer
-				if readSamplesRemaining < batchSamplesToFill {
-					break
-				}
-
-				copy(elems[idx:], slc[readIdx:readIdx+batchSamplesToFill])
-				idx = 0
-				readIdx += batchSamplesToFill
-
-				b, err := processPCM(w.wav, w.enc, elems[:])
-				if err != nil {
-					log.Errorf("error encoding pcm: %q", err)
-					continue
-				}
-
-				select {
-				case <-w.Done:
-					return
-				default:
-				}
-				select {
-				case <-w.Done:
-					return
-				case ch <- b:
-				}
-			}
-
-			batchSamplesToFill := samplesPerBatch - idx
-			readSamplesRemaining := int(readSamples) - readIdx
-			if readSamplesRemaining >= batchSamplesToFill {
-				log.Fatalf("Had enough samples to fill batch after for loop.")
-			}
-
-			copy(elems[idx:], slc)
-			idx += len(slc)
-
-			if int(readSamples) < samplesPerBatch {
-				break
-			}
-		}
-	}()
-}
-
-func processPCM(wav *C.drwav, enc *gopus.Encoder, data []int16) ([]byte, error) {
-	return enc.Encode(data, len(data)/int(wav.channels), len(data)*2)
-}