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How to port the new audio driver to imax8mm Androi ...
https://community.nxp.com/t5/i-MX-Processors/How-to-port-the-new-audio-driver-to-imax8mm-Android-hal/m-p/1170603
Hello Everyone： Currently, the codec and Platform porting on Linux has been ported according to wm8524. Codec is the new aw8838, how to add it to the hal layer of Android code, the driving method is Kconfig. Android platform is Android9 Related to the hal layer seems to be the following file： -----...
TV Audio | Android Open Source Project
https://source.android.com/devices/audio/tv
* as output, "port" contains possible attributes (sampling rates, formats, * channel masks, gain controllers...) for this port. */ int (*get_audio_port) (struct audio_hw_device *dev, struct audio_port *port); /* set audio port configuration */ int (*set_audio_port_config) (struct audio_hw_device *dev, const struct audio_port_config …
Android Porting Guide for Embedded Platforms
https://www.hsc.com/Portals/0/Uploads/Articles/Android-Porting-on-Embedded-Platform_v2_0633850602027036930.pdf
Stage 2: Porting Android Following are the main steps for porting Android: o Download the patches for Android o Update RIL (Radio Interface Library) for target platform o Update Board specific components such as Codec, Camera, Audio, Wifi, Power Management, Bluetooth etc. o Compile Android source code o Burn system image on Target platform
Audio - Android Open Source Project
https://source.android.com/devices/audio/
Audio. Android's audio Hardware Abstraction Layer (HAL) connects the higher-level, audio-specific framework APIs in android.media to the underlying audio driver and hardware. This section includes implementation instructions and tips for improving performance. Android audio architecture defines how audio functionality is implemented and points ...
Porting Android to New Hardware
https://events.static.linuxfound.org/slides/2011/abs/abs2011_yaghmour_porting.pdf
Porting Android to New Hardware Android Builders Summit – April 14th 2011 ... Try using user-space “drivers” for proprietary parts Android actually promotes use of user-space hardware libs. 5.1. User space vs. kernel space ... Audio Manufacturer-provided libaudio.so (could use ALSA underneath ... at least as illustrated in their porting ...
Audio Devices and Configuration - Arun Raghavan
https://arunraghavan.net/2016/01/audio-devices-and-configuration/
Android’s configuration. First, you look at the Android audio HAL code for the device you’re porting, and the corresponding mixer paths XML configuration. Between the two of these, you get a description of how you can configure the hardware to play back audio in various use cases (music, tones, voice calls), and how to route the audio ...
High-Resolution Audio - Android Open Source Project
https://source.android.com/devices/audio/highres-effects
High-Resolution Audio. The Android 10 release includes the following improvements for high-resolution audio: Float: WAV, FLAC codecs, and extractors are updated to support float (24+ bits of lossless precision). Downmix and Virtualizer effects are updated to float. Updated precision is allowed by MediaPlayer (NuPlayer).
PortAudio - an Open-Source Cross-Platform Audio API
Many applications use PortAudio for Audio I/O. PortAudio provides a very simple API for recording and/or playing sound using a simple callback function or a blocking read/write interface. Example programs are included that play sine waves, process audio input (guitar fuzz), record and playback audio, list available audio devices, etc.
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