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Unify handling of pcmtype/direction

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Lars Immisch
2015-05-10 02:07:15 +02:00
parent 3e5f3bd14b
commit 369b202e04
2 changed files with 126 additions and 110 deletions
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16
doc/libalsaaudio.rst
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@@ -50,13 +50,12 @@ The :mod:`alsaaudio` module defines functions and classes for using ALSA.
is 'default'.
* *cardindex* - the card index [#f3]_. If this argument
is given, the device name is constructed like this: `hw:<cardindex>` and
is given, the device name is constructed as: `hw:<cardindex>` and
the `device` keyword argument is ignored. 0 is the
first hardware sound card.
**Note:** The arguments for this function were extended in
version 0.8. The keyword argument `device` is new and can be used to select
virtual devices.
*Changed in 0.8* The keyword argument `device` is new and can be used to
select virtual devices.
.. class:: PCM(type=PCM_PLAYBACK, mode=PCM_NORMAL, device='default',
cardindex=-1)
@@ -68,10 +67,13 @@ The :mod:`alsaaudio` module defines functions and classes for using ALSA.
* *mode* - can be either ``PCM_NONBLOCK``, or ``PCM_NORMAL`` (default).
* *device* - the name of the PCM device that should be used.
* *cardindex* - the card index [#f3]_. If this argument
is given, the device name is constructed like this: `hw:<cardindex>` and
is given, the device name is constructed as: `hw:<cardindex>` and
the `device` keyword argument is ignored. 0 is the
first hardware sound card.
*Changed in 0.8* The keyword argument `card` was renamed to `device`. Also,
the keyword argument `cardindex` is new
.. class:: Mixer(control='Master', id=0, cardindex=-1, device='default')
This class is used to access a specific ALSA mixer. The arguments
@@ -86,7 +88,7 @@ The :mod:`alsaaudio` module defines functions and classes for using ALSA.
the `device` keyword argument is ignored. 0 is the
first sound card.
**Note:** The arguments for this constructor were changed in
*Changed in 0.8* The arguments for this constructor were changed in
version 0.8 and this change is not completely backward compatible.
Old versions accepted just the optional parameter *cardindex*.
The current version accepts either a device name or a cardindex.
@@ -290,7 +292,7 @@ Mixer objects provides access to the ALSA mixer API.
the `device` keyword argument is ignored. 0 is the
first sound card.
**Note:** The arguments for this function were changed in
*Changed in 0.8* The arguments for this function were changed in
version 0.8 and this change is not completely backward compatible.
Old versions accepted just the optional parameter *cardindex*.
The current version accepts either a device name or a cardindex.