add virtual destructors for codecs

1 files changed, 7 insertions, 0 deletions

diff --git a/src/base/QXmppCodec.h b/src/base/QXmppCodec.h
index 58468825..8a0e81d6 100644
--- a/src/base/QXmppCodec.h
+++ b/src/base/QXmppCodec.h
@@ -40,6 +40,8 @@ class QXmppVideoFrame;
 class QXMPP_EXPORT QXmppCodec
 {
 public:
+    virtual ~QXmppCodec();
+
     /// Reads samples from the input stream, encodes them and writes the
     /// encoded data to the output stream.
     virtual qint64 encode(QDataStream &input, QDataStream &output) = 0;
@@ -112,14 +114,19 @@ private:
 class QXMPP_EXPORT QXmppVideoDecoder
 {
 public:
+    virtual ~QXmppVideoDecoder();
     virtual QXmppVideoFormat format() const = 0;
     virtual QList<QXmppVideoFrame> handlePacket(const QXmppRtpPacket &packet) = 0;
     virtual bool setParameters(const QMap<QString, QString> &parameters) = 0;
 };
 
+/// \brief The QXmppVideoEncoder class is the base class for video encoders.
+///
+
 class QXMPP_EXPORT QXmppVideoEncoder
 {
 public:
+    virtual ~QXmppVideoEncoder();
     virtual bool setFormat(const QXmppVideoFormat &format) = 0;
     virtual QList<QByteArray> handleFrame(const QXmppVideoFrame &frame) = 0;
     virtual QMap<QString, QString> parameters() const = 0;