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Android Audio Framework Architecture - Bits & Qubits
http://gopinaths.gitlab.io/post/android-audio-framework-architecture/#:~:text=Note%3A%20Android%207.0%20preserves%20support%20for%20using%20audio_policy.conf%3B,in%20device%20makefile.%20Media%20server%20The%20Audio%20Flinger
Configuring Audio Policies | Android Open Source Project
https://source.android.com/devices/audio/implement-policy
As in the CONF file, the XML file enables defining the number and typesof output and input stream profiles, devices usable for playback and capture, andaudio attributes. In addition, the XML format offers the following enhancements: 1. In Android 10, more than one active recording app isallowed simultaneously. 1.1. Recording start is nev…
services/audiopolicy/audio_policy.conf - platform ...
https://android.googlesource.com/platform/frameworks/av/+/322b4d2/services/audiopolicy/audio_policy.conf
# Template audio policy configuration file # # Global configuration section: # - before audio HAL version 3.0: # lists input and output devices always present on the device # as well as the output device selected by default. # Devices are designated by a string that corresponds to the enum in audio.h # # global_configuration
services/audiopolicy/config/audio_policy_configuration.xml ...
https://android.googlesource.com/platform/frameworks/av/+/dc46286/services/audiopolicy/config/audio_policy_configuration.xml
Each module section will contains two mandatory tags for audio HAL “halVersion” and “name”. The module names are the same as in current .conf file: “primary”, “A2DP”, “remote_submix”, “USB”. Each module will contain the following sections: “devicePorts”: a list of device descriptors for all input and output devices ...
audio_policy.conf ...
https://gitlab.com/SaberMod/omni-android-device-htc-flounder/blob/c55478c2be02d4125f8903e36bf8ac731a9f42ce/audio_policy.conf
- PCM capture device is always at 48kHz to allow concurent playback and capture. Resampling is done by the input stream in the HAL. Resampling will be removed when AudioFlinger supports down sampling from 48 to 8. - SCO playback and capture …
audio_output_policy.conf - device/google/marlin - Git at ...
https://android.googlesource.com/device/google/marlin/+/fa7f7382e8b39f7ca209824f97788ab25c44f6a3/audio_output_policy.conf
# enums in audio.h and audio_policy.h. They are concatenated with "|" # without space or "\n". # the flags and formats should match the ones in "audio_policy.conf" outputs {default {flags AUDIO_OUTPUT_FLAG_PRIMARY: formats AUDIO_FORMAT_PCM_16_BIT | AUDIO_FORMAT_PCM_8_24_BIT: sampling_rates 48000: bit_width 24: app_type 69936} fast …
Audio HAL | Android Open Source Project
https://source.android.com/devices/audio/implement
As part of implementing the audio HAL, you must create an audio policy configuration file that describes the audio topology. Audio HAL capabilities must be declared in the audio_policy_configuration.xml file for the framework to use them. Audio HAL API. The audio HAL contains the following APIs: Core HAL; Effects HAL; Common HAL
Bootloop after editing commented line on …
https://groups.google.com/g/android-x86/c/2KcAbh6KqfU
I've been trying to find my way around audio settings in android and I noticed that if I edit the file audio_policy.conf in the system directory (even only comment line) I get bootloop on next restart. ... the file audio_policy.conf is located in /etc, not in /system I tried creating dummy file to the same folder, but it didn't cause any ...
Android Audio Framework Architecture - Bits & Qubits
http://gopinaths.gitlab.io/post/android-audio-framework-architecture/
Note: Android 7.0 preserves support for using audio_policy.conf; this legacy format is used by default. To use the XML file format, include the build option USE_XML_AUDIO_POLICY_CONF := 1 in device makefile. Media server The Audio Flinger. The media server contains audio services, which are the actual code that interacts with your HAL …
Android Modify audio_policy.conf to force passthrough AC3
https://forum.kodi.tv/showthread.php?tid=303412
Modify audio_policy.conf to force passthrough AC3. So I am contemplating rooting my Shield TV, but wanted to seek some guidance first from those more knowledgable than me. Apologies I know this isn't specifically a Kodi question, but there seem to be a good selection of Shield/Android knowledgable people here who may have some answers.
USB Digital Audio | Android Open Source Project
https://source.android.com/devices/audio/usb
To enable USB audio, add an entry to the audio policy configuration file. This is typically located here: device/oem/codename/audio_policy.conf. The pathname component "oem" should be replaced by the name of the OEM who manufactures the Android device, and "codename" should be replaced by the device code name.
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