12-07-2010
Can't play sound files with aplay or cat to /dev/dsp
I am having problems using soundes. Until a few moments ago
the following commands produced errors and no sound:
cat /usr/share/apps/kolf/sounds/blackhole.wav/ > /dev/dsp yielded:
/dev/dsp: Invalid argument
cat /usr/share/apps/kolf/sounds/blackhole.wav > /dev/audio yelded:
/dev/audio: Invalid argument
aplay /usr/share/apps/kolf/sounds/blackhole.wav yielded:
main:590: audio open error: No such file or directory
and yet mplayer was happily playing audio with tv video. For that program the video is set up for drive 0 but for spurious reasons the program has to be fiddled to use drive 1. The camera, BT787, and VIA 8235 cards are 0, 1, 2 respectively. I don't know if this is related.
Now for no apparent reason it has started working. This is not a connection problem. It had been working until I installed Timidity++ which errors out also.
This is a 4 day headache so would make me happy if someone has a solution.
BTW I have seen suggestions to remove PCM add PCM, fiddle with XMMS and other supposed solutions. In scanning ALSAhowto I could find nothing that could link the responses I am getting. Thanks.
Last edited by slak0; 12-07-2010 at 05:29 AM..
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LEARN ABOUT DEBIAN
sdlx::sound
pods::SDLx::Sound(3pm) User Contributed Perl Documentation pods::SDLx::Sound(3pm)
NAME
SDLx::Sound - SDL sound extension
CATEGORY
Extension
SYNOPSIS
use SDLx::Sound;
my $snd = SDLx::Sound->new();
# loads and plays a single sound now
$snd->play('myfile.wav');
# load a single file
$snd->load('theSound.aif');
# plays it or all loaded files
$snd->play();
# more sounds
my %files = (
channel_01 => "/my_sound1.wav",
channel_02 => "/my_sound2.ogg"
);
# times sounds bangs
my %times = (
channel_01 => 0, # start
channel_01 => 1256, # milliseconds
channel_02 => 2345
);
# Load files in channels for realtime play
$snd->load(%files);
# sets sound channel_01 loudness
$snd->loud('channel_01', 80); # loud at 80%
$snd->play(%times); # play loaded files at times
$snd->play; # play again
# plays sound channel_01 at 578 milliseconds from now
$snd->play('channel_01', 578);
# fades sound
$snd->fade('channel_02', 2345, 3456, -20);
# in a single act do the whole Sound
my $snd = SDLx::Sound->new(
files => (
channel_01 => "/my_sound1.wav",
channel_02 => "/my_sound2.ogg"
),
loud => (
channel_01 => 80,
channel_02 => 75
),
times => (
channel_01 => 0, # start
channel_01 => 1256, # milliseconds
channel_02 => 2345
),
fade => (
channel_02 => [2345, 3456, -20]
)
)->play();
DESCRIPTION
You can think about the SDLx::Sound at 2 approaches.
o A simple sound or
o The sound of your game or app.
Your application will say what the best approach.
In a taste that resembles to perl and to SDL, our SDLx:Sound hooks at SDL::Audio and SDL::Mixer with a graceful and simple interface that
can offer to monks a modern perlish way to manage sounds.
An SDLx::Sound object can load sounds from filesystem, play it, adjust this loudness level or stops the sound.
Each sound will play in the next available channel, so it can be handled isolately.
METHODS
new
Returns a new instance of SDLx::Sound
load
play
$sdlx_sound->play('file.wav');
Play a file
pause
resume
stop
AUTHORS
See "AUTHORS" in SDL.
COPYRIGHT & LICENSE
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.
perl v5.14.2 2012-05-28 pods::SDLx::Sound(3pm)