diff options
Diffstat (limited to 'pica-client/audiodevice.h')
| -rw-r--r-- | pica-client/audiodevice.h | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/pica-client/audiodevice.h b/pica-client/audiodevice.h index 6b2db1c..b98acf2 100644 --- a/pica-client/audiodevice.h +++ b/pica-client/audiodevice.h @@ -55,7 +55,7 @@ public: // far end signal; both directions of one call must be given the same // object or there is nothing to cancel against. // - // Ignored when the platform is doing its own cancellation - see + // Null unless EchoCancellation() is EchoCancellationOwn - see // AudioVideoCallController::startAudioPipeline(), which is where that is // decided. void setEchoCanceller(EchoCancellerPtr ec); @@ -151,6 +151,24 @@ public: static void SetLinuxDriverName(const QString &driver); static QString LinuxDriverName(); + // Whether anything below us would cancel the acoustic echo, so that + // EchoCancellationPlatform is worth offering at all. + // + // The overload taking a driver answers for that driver rather than the + // configured one, which is what the settings dialog needs: on Linux the + // answer depends on the audio system, and the radio button has to follow + // the combo box before either has been applied. + static bool PlatformEchoCancellationAvailable(const QString &driver); + static bool PlatformEchoCancellationAvailable(); + + // Which of the three cancellers a call should use. Cached in a process + // wide variable for the same reason LinuxDriverName() is - the capture + // and playback loops run on their own threads and cannot reach the + // settings database. Set it from the GUI thread at startup and whenever + // the setting changes. + static void SetEchoCancellation(EchoCancellationMode mode); + static EchoCancellationMode EchoCancellation(); + private: QString m_deviceName; QString m_codec; |