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android / platform / external / tinyalsa_new / refs/tags/android-platform-13.0.0_r28
tag3f2b8e3275dbab0802d61d0391da6b9f7d5fd55e
taggerThe Android Open Source Project <initial-contribution@android.com>Tue Feb 04 16:04:02 2025 -0800
objectd224c59a5a85d7a85da78cd383c0b85c8b30671f 
Android Platform 13.0.0 Release 28 (12859820)
commitd224c59a5a85d7a85da78cd383c0b85c8b30671f[log] [tgz]
authorAndroid Build Coastguard Worker <android-build-coastguard-worker@google.com>Thu Jun 08 17:27:42 2023 +0000
committerAndroid Build Coastguard Worker <android-build-coastguard-worker@google.com>Thu Jun 08 17:27:42 2023 +0000
treedcb8784ad63d2b85a57bb358e89d406ce296e0d2
parent182d23e5e48ace4e715325a6da00d273257ebf40 [diff]
parenteb1a5a1de50dcfeccff20c224d98477278014801 [diff]
Snap for 10276566 from eb1a5a1de50dcfeccff20c224d98477278014801 to tm-platform-release

Change-Id: Idccb5ac5145725adb26c36a3c3e40b2bf1238875
tree: dcb8784ad63d2b85a57bb358e89d406ce296e0d2
  1. debian/
  2. doxygen/
  3. examples/
  4. include/
  5. scripts/
  6. src/
  7. tests/
  8. utils/
  9. LICENSE ⇨ NOTICE
  10. .gitignore
  11. .travis.yml
  12. Android.bp
  13. BUILD
  14. CMakeLists.txt
  15. Makefile
  16. meson.build
  17. meson_options.txt
  18. METADATA
  19. MODULE_LICENSE_BSD
  20. NOTICE
  21. OWNERS
  22. README.md
  23. WORKSPACE
README.md

TinyALSA

Build Status

TinyALSA is a small library to interface with ALSA in the Linux kernel.

The aims are:

  • Provide a basic pcm and mixer API.
  • If it‘s not absolutely needed, don’t add it to the API.
  • Avoid supporting complex and unnecessary operations, that could be dealt with at a higher level.
  • Provide comprehensive documentation.

Building

TinyALSA supports these build systems:

To build and install with Make, run the commands:

make
sudo make install
sudo ldconfig

Installing

TinyALSA is now available as a set of the following Debian packages from launchpad:

Package Name:Description:
tinyalsaContains tinyplay, tinycap, tinymix and tinypcminfo
libtinyalsaContains the shared library
libtinyalsa-devContains the static library and header files

To install these packages, run the commands:

sudo apt-add-repository ppa:taylorcholberton/tinyalsa
sudo apt-get update
sudo apt-get install tinyalsa
sudo apt-get install libtinyalsa-dev

Documentation

Once installed, the man pages are available via:

man tinyplay
man tinycap
man tinymix
man tinypcminfo
man libtinyalsa-pcm
man libtinyalsa-mixer

Test

To test libtinyalsa, please follow the instructions,

Setup Bazel build environment

Visit here to get more info to setup Bazel environment.

Insert loopback devices

The test program does pcm_* operations on loopback devices. You have to insert loopback devices after your system boots up.

sudo modprobe snd-aloop
sudo chmod 777 /dev/snd/*

Run test program

bazel test //:tinyalsa_tests --test_output=all

The default playback device is hw:2,0 and the default capture device is hw:2,1. If your loopback devices are not hw:2,0 and hw:2,1, you can specify the loopback device.

bazel test //:tinyalsa_tests --test_output=all \
    --copt=-DTEST_LOOPBACK_CARD=[loopback card] \
    --copt=-DTEST_LOOPBACK_PLAYBACK_DEVICE=[loopback playback device] \
    --copt=-DTEST_LOOPBACK_CAPTURE_DEVICE=[loopback capture device]

Generate coverage report

bazel coverage //:tinyalsa_tests --combined_report=lcov --test_output=all
genhtml bazel-out/_coverage/_coverage_report.dat -o tinyalsa_tests_coverage