The ALSA (Advanced Linux Sound Architecture) library
The ALSA (Advanced Linux Sound Architecture) library
Questions tagged [libalsa]
68 questions
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need to retry to open alsa for it to work
I can run aplay with no problem, and play a wav test file.
In my application, the call to snd_pcm_open gives the following error:
ALSA lib conf.c:3357:(snd_config_hooks_call) Cannot open shared library libasound_module_conf_pulse.so
ALSA lib…
cauchi
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How to get instantaneous volume or played-time with ALSA in Linux
I'm writing a "play sound" program on Reapberry Pi with ALSA.
I called snd_pcm_writei every 1280 samples.
I wish to add a small LED, and let it "lighter while the sound is louder, and darker while the sound is quieter."
My plane is, if there's a…
仕勛陳
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Alsa library configuration
I am using Alsa library to find Maximum value of Sound samples from stereo output.i am using S32_LE pcm Format. From my python code , i can able to acheive max values instantaneously. But from C Alsa Lib ,instant values are not able to get. Please…
raj
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Alsa Lib Hardware Parameters setting
I'm trying to record sound on my linux (debian) embedded device with alsa library. My embedded hardware is this [1], and according to its datasheet page 33 [2],
Analog audio signals are featured by the on-SOM TLV320AIC3106 audio codec.
and the…
Black Glix
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can't configure hardware parameters on ALSA raspberry pi c appliction
I trying to write ALSA application for recording audio, and when I try to set some parameters and then print them to the screen I getting some default numbers that i cant change
#include
using namespace std;
typedef struct {
…
LichKing
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How to get time events from an ALSA MIDI queue without polling?
The ALSA MIDI sequencer API defines snd_seq_queue_status_get_tick_time, which allows to get a current tempo based time of a running MIDI queue.
I could periodically poll this information, but feel it would be cleaner to receive time events from the…
Hibou57
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Capturing sound by ALSA
I am trying to capture the sound from sound card by ALSA in linux systems. Its read the data from the vector in PCM format. I need a way to find out the right way to capturing and save it to in the file and play to check the recevied data is correct…
JACOB DEEPAK
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How to install lib32-alsa-plugins-1.2.2-1-x86_64.pkg.tar.zst
I downloaded file from https://archlinux.org/packages/multilib/x86_64/lib32-alsa-plugins/
How command i need to use that installing this package?
Gelloiss
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