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Corrected ALSA capture device list on Linux. 

This modifies the ALSA input device list to use the output of `arecord -l` instead of `aplay -l`.
With this, audio devices that are input-only are correctly shown in the capture list, and non-input devices are also hidden.
This commit is contained in:
Jasper Seidel 2018-06-26 02:39:47 +02:00 committed by Filipe Coelho
parent 0ecd439e32
commit 868492c4fe
1 changed files with 9 additions and 5 deletions
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14
src/jacksettings.py
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@ -706,10 +706,12 @@ class JackSettingsW(QDialog):
# ----------------------------------------------------------------- # -----------------------------------------------------------------
# Helper functions # Helper functions
def getAlsaDeviceList(self): def getAlsaDeviceList(self, playback=True):
alsaDeviceList = [] alsaDeviceList = []
aplay_out = getoutput("env LANG=C LC_ALL=C aplay -l").split("\n") executable = 'aplay' if playback else 'arecord'
aplay_out = getoutput("env LANG=C LC_ALL=C {} -l".format(executable)).split("\n")
for line in aplay_out: for line in aplay_out:
line = line.strip() line = line.strip()
if line.startswith("card "): if line.startswith("card "):
@ -792,10 +794,12 @@ class JackSettingsW(QDialog):
self.ui.obj_driver_playback.addItem("none") self.ui.obj_driver_playback.addItem("none")
if LINUX: if LINUX:
dev_list = self.getAlsaDeviceList() dev_list_playback = self.getAlsaDeviceList(playback=True)
for dev in dev_list: dev_list_record = self.getAlsaDeviceList(playback=False)
self.ui.obj_driver_capture.addItem(dev) for dev in dev_list_playback:
self.ui.obj_driver_playback.addItem(dev) self.ui.obj_driver_playback.addItem(dev)
for dev in dev_list_record:
self.ui.obj_driver_capture.addItem(dev)
else: else:
dev_list = gJackctl.GetParameterConstraint(["driver", "device"])[3] dev_list = gJackctl.GetParameterConstraint(["driver", "device"])[3]
for i in range(len(dev_list)): for i in range(len(dev_list)):