diff options
Diffstat (limited to 'pica-client/audiovideocallcontroller.h')
| -rw-r--r-- | pica-client/audiovideocallcontroller.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/pica-client/audiovideocallcontroller.h b/pica-client/audiovideocallcontroller.h index 1dd9f20..e30f4c1 100644 --- a/pica-client/audiovideocallcontroller.h +++ b/pica-client/audiovideocallcontroller.h @@ -22,6 +22,7 @@ #include <QElapsedTimer> #include "callwindow.h" #include "audiodevice.h" +#include "capturegain.h" #include "videodevice.h" #include "toneplayer/toneplayer.h" @@ -78,6 +79,27 @@ private: // speexdsp could not start one, or between calls. EchoCancellerPtr m_echoCanceller; + // The capture device's mixer control, held for the duration of a call so + // a clipping microphone can be turned down. Null when the setting is off, + // when the platform has no reachable control, or between calls. + // + // m_savedCaptureGain is where the control was found at the start of the + // call, put back in stopAudioPipeline(): this is the user's own setting + // and we are only borrowing it. m_captureGainSteps bounds how far we will + // go, so a microphone that clips for some reason turning it down cannot + // fix - a broken preamp, someone shouting into it - ends up quiet rather + // than muted. + CaptureGainControl *m_captureGain; + double m_savedCaptureGain; + bool m_haveSavedCaptureGain; + int m_captureGainSteps; + + static const int kMaxCaptureGainSteps = 12; + + // Never go below this fraction of the control's travel; past it we are + // making the user inaudible to fix a problem they can hear about instead. + static constexpr double kMinCaptureGain = 0.05; + // Sequence number / capture-clock timestamp stamped onto outgoing // 0x76 audio packets (see PICA_PROTO_CALL_PACKET_HDRSIZE). quint16 m_audioSeq; @@ -95,6 +117,12 @@ private: // Reassembly of incoming 0x77 fragments into whole encoded frames. VideoFrameAssembler m_videoAssembler; + // Take over the capture device's mixer gain for the duration of a call, + // and hand it back. Both are no-ops when "audio.auto_capture_gain" is off + // or the platform has no control we can reach. + void startCaptureGainControl(const QString &captureDevice); + void stopCaptureGainControl(); + void playEarpieceTone(void (TonePlayer::*tone)()); void playRingTone(); void stopTones(); @@ -114,6 +142,7 @@ private slots: void send_audio_packet(QByteArray data); void incoming_audio_params(QByteArray peer_id, QString codec, quint16 sample_rate); + void capture_clipping(double pinnedPercent, double peakDb); void incoming_audio_packet(QByteArray peer_id, quint16 seq_num, quint32 timestamp, QByteArray data); void video_capture_started(QString codec, int width, int height); |