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The alsa config (for softvol, routes, rate conversion ...) was cleaned up
by the owner stream or zone, at their deletion time. This was a mistake,
because when the stream or zone creation was not complete, the cleanup of
the configuration was not done.
Instead of doing that, the config is attached to the plug
objects as private data (in the AlsaPcmCtlT structure).
Since the AlsaPcmCtlT are always recorded in the creation transaction,
it is easy to call the cleaning callback (when it exists) when the
transaction is deleted.
Change-Id: I952871518a20bfe0be6398887bc747338cf574fb
Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
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- Replace controller binder functions definition with the binder ones.
and remove the last used submodules to use the separated libraries.
- Add liburcu as a project dependency in addition to the others ones.
Bug-AGL: SPEC-2139
Change-Id: If46eed24018e28e58d1e62397f4355d2aa46a58e
Signed-off-by: Romain Forlot <romain.forlot@iot.bzh>
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Fixes most memory leaks in softmixer.
The concept of 'transaction' for dynamic streams has
been generalized to the objects created at startup.
The cleanup is done via a handle set through a atexit()
call.
Also added a missing strdup in alsa-api-loop, that fixes
a double free.
Warning, the bluez-alsa PCM are not closed in this
version. This is intentional due to a BUG in the
bluealsa ioplug PCM, that crashes upon close
(pthread_cancel is used to terminate the io_thread
and things get very bad. I have a pending fix for
that, relying on a cancellation pipe, but deeper
testing must be done).
As an effect, only one phone call can be made,
else 4a needs to be restarted
Change-Id: Idb84cafe15f17c0ef02fcc70296d541dc55a2dcf
Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
Signed-off-by: Stephane Desneux <stephane.desneux@iot.bzh>
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This adds support for bluetooth telephony.
A big rework in the softmixer internals has been
mandatory, in order to support dynamic streams creation
and deletions.
Bluetooth telephony relies on the recent evolutions
of bluez-alsa, the most important one being the
support of HFP over Ofono. The softmixer opens
PCM ioplugs provided by bluez-alsa.
Bluetooth SCO needs 2 streams, one for listening
and the other for talking. These streams are created
upon requests sent by the hal-manager.
The hal manager subscribes for bluez-alsa events
and request the list of availalble transports.
For each "attach" transaction verb, the softmixer
maintains a list of the all created objects
(sources, sinks, zones, ramps, streams, and more)
Additionnally, it creates a new verb when the attach
succeeds, that verb is typically something like
"sco_XX:XX:XX:XX:XX:XX", and the only supported action
at the present time is {"action":"remove"}, that performs
all the cleanup of the registered objects.
Change-Id: I1b119e6c079e60daf771e63c083a1ef33a39f379
Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
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When a sound card has multiple devices, it is invalid to set
the slave name of the dmix as "hw:cardname" because alsa does
not know which device to use.
The fix consists in using the device number, when it is given.
Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
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The value set was wrong, and attempting to bump
to an higher value later seems to be forbidden
by the alsalib (led to EINVAL when getting parameters
of PCM)
Signed-off-by: Thierry Bultel <thierry.bultel@iot.bzh>
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Mixing with volume and mute per audio role works.
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Thierry Bultel
Romain Forlot
Stephane Desneux
Fulup Ar Foll