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The Advanced Linux Sound Architecture (ALSA) - library
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Takashi Iwai 2fca03e792 seq: Clear UMP event flag for legacy apps 
It seems that some applications (at least Chrome WebMIDI) set random
bits to the flags of event packet, and this confuses as if they were
UMP-events, which are eventually filtered out.

Although it's a bug of applications, it's better to avoid the
regressions.  So this patch forcibly clears the UMP flag of the
incoming and outgoing events when the application is running in the
legacy mode (i.e. midi_version = 0).

Fixes: 2aefb5c41c ("seq: Add UMP support")
Closes: https://github.com/alsa-project/alsa-lib/issues/360
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2023-11-07 12:16:47 +01:00
.github/workflows github actions: move to checkout@v3 2022-05-19 12:38:18 +02:00
alsalisp Change FSF address (Franklin Street) 2017-11-14 14:29:26 +01:00
aserver reshuffle included files to include config.h as first 2023-08-30 18:25:37 +02:00
doc doxygen: include docs for shmarea functions 2023-09-01 16:12:24 +02:00
include global.h: move __STRING() macro outside !PIC ifdef block 2023-09-06 15:16:44 +02:00
m4 Fix symver build error on non-ELF platforms 2023-09-01 16:54:44 +02:00
modules mixer: simple module: python 3.10 PyTuple_SET_ITEM() fix 2022-05-20 10:03:10 +02:00
src seq: Clear UMP event flag for legacy apps 2023-11-07 12:16:47 +01:00
test reshuffle included files to include config.h as first 2023-08-30 18:25:37 +02:00
utils utils/alsa.m4: include <stdlib.h> for exit() 2023-01-29 18:51:54 +01:00
.gitignore initial version of .travis.yml file 2018-10-24 16:07:58 +02:00
acinclude.m4 fixed for the recent autoconf. 2004-01-26 15:52:17 +00:00
ChangeLog * update to libtool 1.3.3 1999-07-22 12:18:42 +00:00
configure.ac Release v1.2.10 2023-09-01 17:35:48 +02:00
COPYING Change FSF address (Franklin Street) 2017-11-14 14:29:26 +01:00
gitcompile gitcompile: Add static build 2023-09-04 09:37:29 +02:00
INSTALL pcm: Add thread-safety to PCM API 2016-07-11 15:25:30 +02:00
Makefile.am Makefile: Add README.md to EXTRA_DIST 2020-12-10 10:37:13 +01:00
MEMORY-LEAK Initial version 2003-02-04 14:56:07 +00:00
NOTES Change assert condition in error message handler 2007-10-24 12:53:08 +02:00
README.md README: Add link to GitHub Actions 2022-05-19 12:47:24 +02:00
TODO Added snd_config_load_override(). 2002-01-09 21:28:15 +00:00

README.md

alsa-lib

Advanced Linux Sound Architecture (ALSA) project

Build alsa-lib

The alsa-lib is a library to interface with ALSA in the Linux kernel and virtual devices using a plugin system.

The up-to-date reference generated from sources can be accessed here:

http://www.alsa-project.org/alsa-doc/alsa-lib/

You may give a look for more information about the ALSA project to URL http://www.alsa-project.org.

Submitting patches

The preferred way to submit patches is by sending them by email to the alsa-devel mailing list. Sending mail to the list requires subscription, subscribe here: https://mailman.alsa-project.org/mailman/listinfo/alsa-devel

Add Takashi Iwai <tiwai@suse.de> and/or Jaroslav Kysela <perex@perex.cz> to Cc so that your patch won't be missed.

Patches are also accepted as GitHub pull requests.