forked from osmocom/wireshark
197 lines
6.3 KiB
C++
197 lines
6.3 KiB
C++
/* rtp_audio_stream.h
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#ifndef RTPAUDIOSTREAM_H
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#define RTPAUDIOSTREAM_H
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#include "config.h"
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#ifdef QT_MULTIMEDIA_LIB
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#include <glib.h>
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#include <epan/address.h>
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#include <ui/rtp_stream.h>
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#include <QAudio>
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#include <QColor>
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#include <QMap>
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#include <QObject>
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#include <QSet>
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#include <QVector>
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class QAudioFormat;
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class QAudioOutput;
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class QTemporaryFile;
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struct _rtp_info;
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struct _rtp_sample;
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class RtpAudioStream : public QObject
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{
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Q_OBJECT
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public:
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enum TimingMode { JitterBuffer, RtpTimestamp, Uninterrupted };
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explicit RtpAudioStream(QObject *parent, rtpstream_info_t *rtpstream);
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~RtpAudioStream();
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bool isMatch(const rtpstream_info_t *rtpstream) const;
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bool isMatch(const struct _packet_info *pinfo, const struct _rtp_info *rtp_info) const;
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//void addRtpStream(const rtpstream_info_t *rtpstream);
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void addRtpPacket(const struct _packet_info *pinfo, const struct _rtp_info *rtp_info);
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void reset(double start_rel_time);
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void decode();
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double startRelTime() const { return start_rel_time_; }
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double stopRelTime() const { return stop_rel_time_; }
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unsigned sampleRate() const { return audio_out_rate_; }
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const QStringList payloadNames() const;
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/**
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* @brief Return a list of visual timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> visualTimestamps(bool relative = true);
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/**
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* @brief Return a list of visual samples. There will be fewer visual samples
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* per second (1000) than the actual audio.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> visualSamples(int y_offset = 0);
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/**
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* @brief Return a list of out-of-sequence timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> outOfSequenceTimestamps(bool relative = true);
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int outOfSequence() { return out_of_seq_timestamps_.size(); }
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/**
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* @brief Return a list of out-of-sequence samples. Y value is constant.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> outOfSequenceSamples(int y_offset = 0);
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/**
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* @brief Return a list of jitter dropped timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> jitterDroppedTimestamps(bool relative = true);
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int jitterDropped() { return jitter_drop_timestamps_.size(); }
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/**
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* @brief Return a list of jitter dropped samples. Y value is constant.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> jitterDroppedSamples(int y_offset = 0);
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/**
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* @brief Return a list of wrong timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> wrongTimestampTimestamps(bool relative = true);
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int wrongTimestamps() { return wrong_timestamp_timestamps_.size(); }
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/**
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* @brief Return a list of wrong timestamp samples. Y value is constant.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> wrongTimestampSamples(int y_offset = 0);
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/**
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* @brief Return a list of inserted silence timestamps.
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* @return A set of timestamps suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> insertedSilenceTimestamps(bool relative = true);
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int insertedSilences() { return silence_timestamps_.size(); }
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/**
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* @brief Return a list of wrong timestamp samples. Y value is constant.
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* @param y_offset Y axis offset to be used for stacking graphs.
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* @return A set of values suitable for passing to QCPGraph::setData.
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*/
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const QVector<double> insertedSilenceSamples(int y_offset = 0);
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quint32 nearestPacket(double timestamp, bool is_relative = true);
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QRgb color() { return color_; }
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void setColor(QRgb color) { color_ = color; }
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QAudio::State outputState() const;
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void setJitterBufferSize(int jitter_buffer_size) { jitter_buffer_size_ = jitter_buffer_size; }
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void setTimingMode(TimingMode timing_mode) { timing_mode_ = timing_mode; }
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signals:
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void startedPlaying();
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void processedSecs(double secs);
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void playbackError(const QString error_msg);
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void finishedPlaying();
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public slots:
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void startPlaying();
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void stopPlaying();
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private:
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// Used to identify unique streams.
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// The GTK+ UI also uses the call number + current channel.
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rtpstream_id_t id_;
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QVector<struct _rtp_packet *>rtp_packets_;
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QTemporaryFile *tempfile_;
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struct _GHashTable *decoders_hash_;
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// TODO: It is not used
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//QList<const rtpstream_info_t *>rtpstreams_;
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double global_start_rel_time_;
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double start_abs_offset_;
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double start_rel_time_;
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double stop_rel_time_;
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quint32 audio_out_rate_;
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QSet<QString> payload_names_;
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struct SpeexResamplerState_ *audio_resampler_;
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struct SpeexResamplerState_ *visual_resampler_;
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QAudioOutput *audio_output_;
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QMap<double, quint32> packet_timestamps_;
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QVector<qint16> visual_samples_;
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QVector<double> out_of_seq_timestamps_;
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QVector<double> jitter_drop_timestamps_;
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QVector<double> wrong_timestamp_timestamps_;
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QVector<double> silence_timestamps_;
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qint16 max_sample_val_;
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QRgb color_;
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int jitter_buffer_size_;
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TimingMode timing_mode_;
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void writeSilence(int samples);
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const QString formatDescription(const QAudioFormat & format);
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QString currentOutputDevice();
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private slots:
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void outputStateChanged(QAudio::State new_state);
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void outputNotify();
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};
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#endif // QT_MULTIMEDIA_LIB
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#endif // RTPAUDIOSTREAM_H
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/*
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* Editor modelines
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*
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* Local Variables:
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* c-basic-offset: 4
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* tab-width: 8
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* indent-tabs-mode: nil
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* End:
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*
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* ex: set shiftwidth=4 tabstop=8 expandtab:
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* :indentSize=4:tabSize=8:noTabs=true:
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*/
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