AFV initial commit

src/blacksound/codecs/opusencoder.h

@@ -0,0 +1,34 @@
+#ifndef OPUSENCODER_H
+#define OPUSENCODER_H
+
+#include "blacksound/blacksoundexport.h"
+#include "opus/opus.h"
+
+#include <QByteArray>
+#include <QVector>
+
+class BLACKSOUND_EXPORT COpusEncoder
+{
+public:
+    COpusEncoder(int sampleRate, int channels, int application = OPUS_APPLICATION_VOIP);
+    ~COpusEncoder();
+
+    void setBitRate(int bitRate);
+
+    //! \param frameCount Number of audio samples per frame
+    //! \returns the size of an audio frame in bytes
+    int frameByteCount(int frameCount);
+
+    int frameCount(const QVector<qint16> pcmSamples);
+
+    QByteArray encode(const QVector<qint16> pcmSamples, int samplesLength, int *encodedLength);
+
+private:
+    OpusEncoder *opusEncoder;
+    int m_sampleRate;
+    int m_channels;
+
+    static constexpr int maxDataBytes = 4000;
+};
+
+#endif // OPUSENCODER_H