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Effect Proxy abstracts the sub effects to the upper layers.
It has the following functionalities:
- creation and release of sub effects
- routing the effect commands and process to the appropriate sub effect
Bug: 8174034.
Change-Id: Iec34b61104f0bbec4ef67c62f0710a5536dc325b
Signed-off-by: jpadmana <jayashree.r.padmanaban@intel.com>
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audio_effects.conf - commented changes to illustrate the
addition of Proxy and sub effects to the conf file
Added an effectFactoryApi - EffectGetSubEffects for querying the
sub effect descriptors from the factory. This api is used by the Proxy
to get the sub effects
Added functions and data structures in factory code for
loading the sub effects
gSubEffectList - has the Proxies and their corresponding sub effects
- addSubEffect() - reads a sub effect node and adds to the gSubEffectList
- findSubEffect() - searches through the gSubEffectList to find a SubEffect
Bug: 8174034.
Change-Id: Id7f6aa67c41db370d32beaf43a979ba4ac925928
Signed-off-by: jpadmana <jayashree.r.padmanaban@intel.com>
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This reverts commit 284c17e73bbff51cb5b1adcee98386d47733757a.
Change-Id: I31db21e1ad4758b21356bfe4c4c64f15b2da8737
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This reverts commit 60c60df7db278d2fa5c90b0fa14f99a61d50272b.
Change-Id: Iafba9e02a9f3bfde6248d802e96c4e649686a87d
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Implementation based on DRC effect, controlled by a
target gain.
The target gain is used to amplify the signal at
the input of the DRC, and to compute the knee
of the DRC.
Bug 8413913
Change-Id: I386d64793a9fa3f7218e053d6f0a99f6836c02bd
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Effect Proxy abstracts the sub effects to the upper layers.
It has the following functionalities:
- creation and release of sub effects
- routing the effect commands and process to the appropriate sub effect
Bug: 8174034.
Change-Id: I22d8136636048e7fe8f8807cbc6e348ffa200a22
Signed-off-by: jpadmana <rpadmanaban.jayashree@gmail.com>
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audio_effects.conf - commented changes to illustrate the
addition of Proxy and sub effects to the conf file
Added an effectFactoryApi - EffectGetSubEffects for querying the
sub effect descriptors from the factory. This api is used by the Proxy
to get the sub effects
Added functions and data structures in factory code for
loading the sub effects
gSubEffectList - has the Proxies and their corresponding sub effects
- addSubEffect() - reads a sub effect node and adds to the gSubEffectList
- findSubEffect() - searches through the gSubEffectList to find a SubEffect
Bug: 8174034.
Change-Id: I25b0c62b2ad523a52337128b51469e628209ea3e
Signed-off-by: jpadmana <rpadmanaban.jayashree@gmail.com>
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The audio preprocessings are not included in the default
audio_effect.conf file anymore as the audio HAL has to provide
support for them.
Each product implementing one or more audio pre processing must
provide a specific audio_effects.conf file.
Change-Id: I3b2f636f7a8748829798d4b9057d269db9424d62
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In the AudioMixer structure associated with each track, add an object
that acts as the buffer provider when the track has more than two
channels of input in the mixer. This object, DownmixerBufferProvider,
gets audio from the actual buffer provider of the track, and applies
a downmix effect on it.
The downmix effect is created and configured when the track gets
created in AudioFlinger, which causes AudioMixer::getTrackName()
to be called with the new track's channel mask. It is released
when the track is disabled in the mixer.
Change-Id: I05281ed5f61bef663a8af7ca7d5ceac3517c82db
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Correct erroneous spaces that were present in some audio effect GUIDs.
Change-Id: Ide3a1552b2f8976f96ee980f1341f935555656d9
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Audio effect framework is extended to suport effects on
output and input audio path.
AudioFlinger: Support for audio effects and effect chains is
moved from PlaybackThread class to ThreadBase class so that
RecordThread can manage effects.
Effects of type pre processing are allowed on record thread
only. When a pre processing is enabled, the effect interface handle is
passed down to the input stream so that the audio HAL can call the
process function. The record thread loop calls the effect chain process
function that will only manage the effect state and commands and skip the
process function.
AudioRecord: The audio session is allocated before calling getInput() into
audio policy serice so that the session is known before the input theead is
created and pre processings can be created on the correct session.
AudioPolicyService: default pre processing for a given input source are
loaded from audio_effects.conf file.
When an input is created, corresponding effects are created and enabled.
Change-Id: Id17119e0979b4dcf189b5c7957fec30dc3478790
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Moved and renamed media/EffectApi.h to hardware/audio_effect.h
Modified the effect library API to expose a library info structure
containing an interface functions table.
Also removed enums for audio channels, audio format and devices
from effect API and use values from system/audio.h instead.
Modified effects factory to support new library interface format and
load libraries and efffects listed in audio_effects.conf file.
The file audio_effects.conf is first loaded from /vendor/etc and
then from /system/etc/audio_effects.conf if not found.
Modified existing effect libraries to implement the new library interface.
Change-Id: Ie52351e071b6d352fa2fbc06c3846686f8c45df9
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