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* This patch introduces a new API which allows applications to
query the state of the audio effects system, and receive
callbacks with the necessary information to attach effects
to any stream.
* In the future, this may come as part of the AudioPort system,
but since that's an active area of development by Google, we
will dodge it for now.
* The policy now simply keeps a refcounted list of objects which
hold various bits of stream metadata. Callbacks are sent on
stream open/close to applications which might be listening
for them.
Change-Id: I2d554d36e1378f4eb7b276010a3bfe8345c22ecd
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* This has been rearchitected in a better way, as this
feature turns out to be more difficult than it seems.
* Reverting all of this stuff and rolling it into a single commit.
This reverts commit c27a16c33c78a36482336a16199b1b8be794cea4.
This reverts commit 32ef0556ae58ff6b7c6fe6fb0a17d3ff7f01de31.
This reverts commit 489c9fb62f02e1d23d6d6c89b22f7d19c596e65e.
This reverts commit a4123803d0a0e9e0c69faa4207d357cc74a65d58.
This reverts commit e13b58b988ab642d4ae5ca6d0a89013510714956.
This reverts commit 47f8c7303c9e2054f1492b02b6c7472385c52dc9.
This reverts commit 0479d7c79a7fd6f112e8dc7e45c009cf6602dbaa.
Change-Id: Iaed9f198d806aa414c95960713e8187c98db248b
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* The edge cases, ZOMG!
* Instead of relying on effects to be automatically attached, let's
just always notify userspace and send a bit more information. This
lets the application decide if effects should be attached rather
than relying on a hard-coded configuration file.
* Perform the setup in getOutputForAttr, but do it on the command
thread so we don't block the client.
OPO-593
Change-Id: I3900b349f2e895d51fa3a3dcc2de0c4bdf6dbc08
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* In M, we now have the ability to define a default set of audio effect
on a per-stream basis. This allows us to get around the problem of
apps not sending the control intents so we can implement smart
global effects for specific media types.
* We still need a session id in order to get a handle and configure them
from an app like AudioFX, so we'll need to add some plumbing in
order to send an event to interested applications.
* This patch implements the native side of this. The Java layer will
call down thru AudioSystem and register a callback which will be
invoked by the audio policy when default effects are updated on
a stream. This callback will receive both the stream type as well
as the session id.
* Attaching this listener requires that the caller hold the
MODIFY_AUDIO_ROUTING permission.
Change-Id: I142b15f2585ffca6a953c3e828e2a7c07b24f56c
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Implement non-stream type specific ref counting in output
descriptors to keep track of mix activity.
Notify audio policy client of mix activity changes.
Bug 20226914
Change-Id: Iec939cb640c58056f88947b611d23b4bb6d8a11b
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Change-Id: Ie8f9d42fc061f6d558f23b98414e04eb3d14b376
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Added IAudioPolicyServiceClient client binder interface
for client process to receive notifications from AudioPolicyService
when audio ports are added/removed or audio patches created/released.
The audio patches owned by a given client are automatically released when
this client binder dies.
Bug: 14815883.
Change-Id: I6013f6aec03b50565cffb1ad2cd1f0f8852032c5
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