[Pkg-audacious-maintainers] Bug#549925: alsa output started munging sound
Josip Rodin
joy at debbugs.entuzijast.net
Tue Oct 6 10:45:01 UTC 2009
Package: audacious
Version: 2.1-1
Hi,
I ran into a bizarre problem with audio, and I didn't notice it until a few
hours of play :) audio output has been shifted a few notes down and slightly
slowed down, when played through the Audacious ALSA plugin. As soon as I
switch to the OSS output plugin, everything is back to normal.
To make sure it's not ALSA as a whole that's misbehaving, I've tried to
reproduce it with sox(1) (with libsox-fmt-oss and libsox-fmt-alsa), like
this:
% sox /win/WINDOWS/Media/tada.wav -t alsa default
% sox /win/WINDOWS/Media/tada.wav -t oss /dev/dsp
But both of those played the sound correctly -- the same at least, and the
same as the Audacious OSS output -- so I'm thinking Audacious ALSA plugin
is at fault.
I had previously fiddled with buffering settings (because the Audacious
version in lenny and with an older kernel used to skip a lot on this
machine under load), but I don't believe I selected any setting that would
need to cause this kind of distortion.
% cat ~/.audacious/config
[audacious]
allow_multiple_instances=FALSE
use_realtime=FALSE
always_show_cb=TRUE
convert_underscore=TRUE
convert_twenty=TRUE
show_numbers_in_pl=TRUE
show_separator_in_pl=TRUE
snap_windows=TRUE
save_window_positions=TRUE
dim_titlebar=TRUE
get_info_on_load=FALSE
get_info_on_demand=TRUE
eq_doublesize_linked=TRUE
no_playlist_advance=FALSE
refresh_file_list=TRUE
sort_jump_to_file=FALSE
use_pl_metadata=TRUE
warn_about_unplayables=TRUE
use_backslash_as_dir_delimiter=FALSE
player_shaded=FALSE
player_visible=TRUE
shuffle=TRUE
repeat=FALSE
doublesize=TRUE
autoscroll_songname=TRUE
stop_after_current_song=FALSE
playlist_shaded=FALSE
playlist_visible=TRUE
playlist_transparent=FALSE
use_fontsets=FALSE
equalizer_visible=FALSE
equalizer_active=FALSE
equalizer_shaded=FALSE
equalizer_autoload=FALSE
easy_move=FALSE
use_eplugins=FALSE
always_on_top=FALSE
sticky=FALSE
random_skin_on_play=FALSE
pause_between_songs=FALSE
show_wm_decorations=FALSE
eq_extra_filtering=TRUE
analyzer_peaks=TRUE
custom_cursors=TRUE
close_dialog_open=TRUE
close_dialog_add=TRUE
resume_playback_on_startup=FALSE
playlist_detect=FALSE
show_filepopup_for_tuple=TRUE
recurse_for_cover=FALSE
use_file_cover=FALSE
use_xmms_style_fileselector=FALSE
player_x=378
player_y=127
timer_mode=0
vis_type=0
analyzer_mode=0
analyzer_type=1
scope_mode=0
vu_mode=1
vis_refresh_rate=0
analyzer_falloff=3
peaks_falloff=1
playlist_x=378
playlist_y=359
playlist_width=550
playlist_height=522
playlist_position=64
equalizer_x=392
equalizer_y=384
snap_distance=10
pause_between_songs_time=2
mouse_wheel_change=8
scroll_pl_by=3
titlestring_preset=2
resume_playback_on_startup_time=195681
output_buffer_size=3000
recurse_for_cover_depth=0
filepopup_pixelsize=150
filepopup_delay=20
mainwin_use_xfont=FALSE
playlist_font=Sans Bold 8
mainwin_font=Sans Bold 9
eqpreset_default_file=dir_default.preset
eqpreset_extension=preset
generic_title_format=%{p:%p - %}%{a:%a - %}%t
cover_name_exclude=back
equalizer_preamp=0
equalizer_band0=0
equalizer_band1=0
equalizer_band2=0
equalizer_band3=0
equalizer_band4=0
equalizer_band5=0
equalizer_band6=0
equalizer_band7=0
equalizer_band8=0
equalizer_band9=0
skin=/usr/share/audacious/Skins/Default
output_plugin=/usr/lib/audacious/Output/libALSA.so
url_history_length=0
filesel_path=/bla1/novimp3
[ALSA]
buffer_time=500
period_time=100
pcm_device=default
mixer_card=0
mixer_device=PCM
soft_volume=FALSE
volume_left=100
volume_right=100
% lsmod | grep snd
snd_intel8x0 34760 1
snd_ac97_codec 123096 1 snd_intel8x0
ac97_bus 2096 1 snd_ac97_codec
snd_pcm_oss 41664 1
snd_mixer_oss 18176 1 snd_pcm_oss
snd_pcm 81080 3 snd_intel8x0,snd_ac97_codec,snd_pcm_oss
snd_seq_oss 32224 0
snd_seq_midi 7856 0
snd_rawmidi 23568 1 snd_seq_midi
snd_seq_midi_event 7824 2 snd_seq_oss,snd_seq_midi
snd_seq 57664 5 snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer 23120 2 snd_pcm,snd_seq
snd_seq_device 7748 4 snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd 63816 10 snd_intel8x0,snd_ac97_codec,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
snd_page_alloc 9824 2 snd_intel8x0,snd_pcm
% cat /proc/asound/cards
0 [CK804 ]: NFORCE - NVidia CK804
NVidia CK804 with ALC850 at irq 23
% uname -a
Linux pork 2.6.30.8 #3 SMP PREEMPT Mon Sep 28 00:03:01 CEST 2009 x86_64 GNU/Linux
If you need more information, please don't hesitate to ask. TIA.
--
2. That which causes joy or happiness.
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