forked from osmocom/wireshark
94 lines
2.5 KiB
C++
94 lines
2.5 KiB
C++
/** @file
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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 RTP_AUDIO_FILE_H
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#define RTP_AUDIO_FILE_H
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#include "config.h"
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#include <ui/rtp_media.h>
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#include <speex/speex_resampler.h>
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#include <QIODevice>
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#include <QDir>
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#include <QTemporaryFile>
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#include <QDebug>
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#include <QBuffer>
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struct _rtp_info;
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typedef enum {
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RTP_FRAME_AUDIO = 0,
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RTP_FRAME_SILENCE
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} rtp_frame_type;
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// Structure used for storing frame num during visual waveform decoding
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typedef struct {
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qint64 real_pos;
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qint64 sample_pos;
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qint64 len;
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guint32 frame_num;
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rtp_frame_type type;
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} rtp_frame_info;
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class RtpAudioFile: public QIODevice
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{
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public:
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explicit RtpAudioFile(bool use_disk_for_temp, bool use_disk_for_frames);
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~RtpAudioFile();
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// Functions for writing Frames
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void setFrameWriteStage();
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void frameWriteSilence(guint32 frame_num, qint64 samples);
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qint64 frameWriteSamples(guint32 frame_num, const char *data, qint64 max_size);
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// Functions for reading Frames
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void setFrameReadStage(qint64 prepend_samples);
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bool readFrameSamples(gint32 *read_buff_bytes, SAMPLE **read_buff, spx_uint32_t *read_len, guint32 *frame_num, rtp_frame_type *type);
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// Functions for reading data during play
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void setDataReadStage();
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bool open(QIODevice::OpenMode mode) override;
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qint64 size() const override;
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qint64 pos() const override;
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bool seek(qint64 off) override;
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qint64 sampleFileSize();
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void seekSample(qint64 samples);
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qint64 readSample(SAMPLE *sample);
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qint64 getTotalSamples();
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qint64 getEndOfSilenceSample();
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protected:
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// Functions for reading data during play
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qint64 readData(char *data, qint64 maxSize) override;
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qint64 writeData(const char *data, qint64 maxSize) override;
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private:
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QIODevice *sample_file_; // Stores waveform samples
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QIODevice *sample_file_frame_; // Stores rtp_packet_info per packet
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qint64 real_pos_;
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qint64 real_size_;
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qint64 sample_pos_;
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qint64 sample_size_;
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rtp_frame_info cur_frame_;
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// Functions for writing Frames
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qint64 frameWriteFrame(guint32 frame_num, qint64 real_pos, qint64 sample_pos, qint64 len, rtp_frame_type type);
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void frameUpdateRealCounters(qint64 written_bytes);
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void frameUpdateSampleCounters(qint64 written_bytes);
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// Functions for reading Frames
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// Functions for reading data during play
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qint64 readFrameData(char *data , qint64 want_read);
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};
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#endif // RTP_AUDIO_FILE_H
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