rename "source" directory to "src"

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diff --git a/src/QXmppCodec.h b/src/QXmppCodec.h
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+/*
+ * Copyright (C) 2008-2010 The QXmpp developers
+ *
+ * Author:
+ *	Jeremy Lainé
+ *
+ * Source:
+ *	http://code.google.com/p/qxmpp
+ *
+ * This file is a part of QXmpp library.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ */
+
+#ifndef QXMPPCODEC_H
+#define QXMPPCODEC_H
+
+#include <QtGlobal>
+
+/// \brief The QXmppCodec class is the base class for audio codecs capable of
+/// encoding and decoding audio samples.
+///
+/// Samples must be 16-bit little endian.
+
+class QXmppCodec
+{
+public:
+    /// 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;
+
+    /// Reads encoded data from the input stream, decodes it and writes the
+    /// decoded samples to the output stream.
+    virtual qint64 decode(QDataStream &input, QDataStream &output) = 0;
+};
+
+/// \internal
+///
+/// The QXmppG711aCodec class represent a G.711 a-law PCM codec.
+
+class QXmppG711aCodec : public QXmppCodec
+{
+public:
+    QXmppG711aCodec(int clockrate);
+
+    qint64 encode(QDataStream &input, QDataStream &output);
+    qint64 decode(QDataStream &input, QDataStream &output);
+
+private:
+    int m_frequency;
+};
+
+/// \internal
+///
+/// The QXmppG711uCodec class represent a G.711 u-law PCM codec.
+
+class QXmppG711uCodec : public QXmppCodec
+{
+public:
+    QXmppG711uCodec(int clockrate);
+
+    qint64 encode(QDataStream &input, QDataStream &output);
+    qint64 decode(QDataStream &input, QDataStream &output);
+
+private:
+    int m_frequency;
+};
+
+#ifdef QXMPP_USE_SPEEX
+typedef struct SpeexBits SpeexBits;
+
+/// \internal
+///
+/// The QXmppSpeexCodec class represent a SPEEX codec.
+
+class QXmppSpeexCodec : public QXmppCodec
+{
+public:
+    QXmppSpeexCodec(int clockrate);
+    ~QXmppSpeexCodec();
+
+    qint64 encode(QDataStream &input, QDataStream &output);
+    qint64 decode(QDataStream &input, QDataStream &output);
+
+private:
+    SpeexBits *encoder_bits;
+    void *encoder_state;
+    SpeexBits *decoder_bits;
+    void *decoder_state;
+    int frame_samples;
+};
+#endif
+
+#endif