1 files changed, 151 insertions, 0 deletions
diff --git a/ui/qt/rtp_audio_stream.h b/ui/qt/rtp_audio_stream.h
new file mode 100644
index 0000000000..b2842aad37
--- /dev/null
+++ b/ui/qt/rtp_audio_stream.h
@@ -0,0 +1,151 @@
+/* rtp_audio_stream.h
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#ifndef RTPAUDIOSTREAM_H
+#define RTPAUDIOSTREAM_H
+
+#include "config.h"
+
+#ifdef QT_MULTIMEDIA_LIB
+
+#include <glib.h>
+
+#include <epan/address.h>
+
+#include <QAudio>
+#include <QColor>
+#include <QMap>
+#include <QObject>
+#include <QSet>
+#include <QVector>
+
+class QAudioOutput;
+class QTemporaryFile;
+
+struct _rtp_stream_info;
+struct _rtp_sample;
+
+class RtpAudioStream : public QObject
+{
+    Q_OBJECT
+public:
+    explicit RtpAudioStream(QObject *parent, struct _rtp_stream_info *rtp_stream);
+    ~RtpAudioStream();
+    bool isMatch(const struct _rtp_stream_info *rtp_stream) const;
+    bool isMatch(const struct _packet_info *pinfo, const struct _rtp_info *rtp_info) const;
+    void addRtpStream(const struct _rtp_stream_info *rtp_stream);
+    void addRtpPacket(const struct _packet_info *pinfo, const struct _rtp_info *rtp_info);
+    void reset(double start_rel_time);
+
+    double startRelTime() const { return start_rel_time_; }
+    double stopRelTime() const { return stop_rel_time_; }
+    unsigned sampleRate() const { return audio_out_rate_; }
+    const QStringList payloadNames() const;
+
+    /**
+     * @brief Return a list of visual timestamps.
+     * @return A set of timestamps suitable for passing to QCPGraph::setData.
+     */
+    const QVector<double> visualTimestamps(bool relative = true);
+    /**
+     * @brief Return a list of visual samples. There will be fewer visual samples
+     * per second (1000) than the actual audio.
+     * @param y_offset Y axis offset to be used for stacking graphs.
+     * @return A set of values suitable for passing to QCPGraph::setData.
+     */
+    const QVector<double> visualSamples(int y_offset = 0);
+
+    /**
+     * @brief Return a list of out-of-sequence timestamps.
+     * @return A set of timestamps suitable for passing to QCPGraph::setData.
+     */
+    const QVector<double> outOfSequenceTimestamps(bool relative = true);
+    int outOfSequence() { return out_of_seq_timestamps_.length(); }
+    /**
+     * @brief Return a list of out-of-sequence samples. Y value is constant.
+     * @param y_offset Y axis offset to be used for stacking graphs.
+     * @return A set of values suitable for passing to QCPGraph::setData.
+     */
+    const QVector<double> outOfSequenceSamples(int y_offset = 0);
+
+    quint32 nearestPacket(double timestamp, bool is_relative = true);
+
+    QRgb color() { return color_; }
+    void setColor(QRgb color) { color_ = color; }
+
+    QAudio::State outputState() const;
+
+signals:
+    void startedPlaying();
+    void processedSecs(double secs);
+    void finishedPlaying();
+
+public slots:
+    void startPlaying();
+    void stopPlaying();
+
+private:
+    address src_addr_;
+    quint16 src_port_;
+    address dst_addr_;
+    quint16 dst_port_;
+    quint32 ssrc_;
+    int last_sequence_;
+    QTemporaryFile *tempfile_;
+    struct _GHashTable *decoders_hash_;
+    QList<const struct _rtp_stream_info *>rtp_streams_;
+    double global_start_rel_time_;
+    double start_abs_offset_;
+    double start_rel_time_;
+    double stop_rel_time_;
+    quint32 audio_out_rate_;
+    QSet<QString> payload_names_;
+    struct SpeexResamplerState_ *audio_resampler_;
+    struct SpeexResamplerState_ *visual_resampler_;
+    QAudioOutput *audio_output_;
+    QMap<double, quint32> packet_timestamps_;
+    QVector<qint16> visual_samples_;
+    QVector<double> out_of_seq_timestamps_;
+    qint16 max_sample_val_;
+    QRgb color_;
+
+private slots:
+    void outputStateChanged();
+    void outputNotify();
+
+};
+
+#endif // QT_MULTIMEDIA_LIB
+
+#endif // RTPAUDIOSTREAM_H
+
+/*
+ * Editor modelines
+ *
+ * Local Variables:
+ * c-basic-offset: 4
+ * tab-width: 8
+ * indent-tabs-mode: nil
+ * End:
+ *
+ * ex: set shiftwidth=4 tabstop=8 expandtab:
+ * :indentSize=4:tabSize=8:noTabs=true:
+ */