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Accepting request 988946 from home:favogt:boo1201349

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- Add patch to fix audio after tty switching (boo#1201349):
  * 0001-spa-alsa-udev-Check-accessibility-of-pcm-devices-as-.patch

OBS-URL: https://build.opensuse.org/request/show/988946
OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/pipewire?expand=0&rev=67
This commit is contained in:
Takashi Iwai 2022-07-14 07:49:27 +00:00 committed by Git OBS Bridge
parent f8495c8ad0
commit f2a9220bd1
3 changed files with 83 additions and 0 deletions
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74
0001-spa-alsa-udev-Check-accessibility-of-pcm-devices-as-.patch Normal file
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@ -0,0 +1,74 @@
From 0eb7f097129e35fba4aeeba518a2bc79d96fed44 Mon Sep 17 00:00:00 2001
From: Fabian Vogt <fvogt@suse.de>
Date: Wed, 13 Jul 2022 10:47:22 +0200
Subject: [PATCH] spa/alsa-udev: Check accessibility of pcm devices as well
The order of attribute changes is random, so it's possible that controlCX is
accessible before the other devices, which marks the device as available but it
actually fails to open. Only consider the device accessible if both control and
PCM devices can be accessed.
This requires reacting to ATTRIB changes of pcm devices as well now.
Fixes #2534
---
spa/plugins/alsa/alsa-udev.c | 34 +++++++++++++++++++++++++++-------
1 file changed, 27 insertions(+), 7 deletions(-)
diff --git a/spa/plugins/alsa/alsa-udev.c b/spa/plugins/alsa/alsa-udev.c
index aa7b03994..8ee217d9d 100644
--- a/spa/plugins/alsa/alsa-udev.c
+++ b/spa/plugins/alsa/alsa-udev.c
@@ -538,11 +538,35 @@ static int emit_object_info(struct impl *this, struct device *device)
static bool check_access(struct impl *this, struct device *device)
{
- char path[128];
- bool accessible;
+ char path[128], prefix[32];
+ DIR *snd = NULL;
+ struct dirent *entry;
+ bool accessible = false;
snprintf(path, sizeof(path), "/dev/snd/controlC%u", device->id);
- accessible = access(path, R_OK|W_OK) >= 0;
+ if (access(path, R_OK|W_OK) >= 0 && (snd = opendir("/dev/snd"))) {
+ /*
+ * It's possible that controlCX is accessible before pcmCX* or
+ * the other way around. Return true only if all devices are
+ * accessible.
+ */
+
+ accessible = true;
+ spa_scnprintf(prefix, sizeof(prefix), "pcmC%uD", device->id);
+ while ((entry = readdir(snd)) != NULL) {
+ if (!(entry->d_type == DT_CHR &&
+ spa_strstartswith(entry->d_name, prefix)))
+ continue;
+
+ snprintf(path, sizeof(path), "/dev/snd/%.32s", entry->d_name);
+ if (access(path, R_OK|W_OK) < 0) {
+ accessible = false;
+ break;
+ }
+ }
+ closedir(snd);
+ }
+
if (accessible != device->accessible)
spa_log_debug(this->log, "%s accessible:%u", path, accessible);
device->accessible = accessible;
@@ -655,10 +679,6 @@ static void impl_on_notify_events(struct spa_source *source)
/* Device becomes accessible or not busy */
if ((event->mask & (IN_ATTRIB | IN_CLOSE_WRITE))) {
bool access;
-
- if ((event->mask & IN_ATTRIB) &&
- spa_strstartswith(event->name, "pcm"))
- continue;
if (sscanf(event->name, "controlC%u", &id) != 1 &&
sscanf(event->name, "pcmC%uD", &id) != 1)
continue;
--
2.36.1

6
pipewire.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Wed Jul 13 09:20:57 UTC 2022 - Fabian Vogt <fvogt@suse.com>
- Add patch to fix audio after tty switching (boo#1201349):
* 0001-spa-alsa-udev-Check-accessibility-of-pcm-devices-as-.patch
-------------------------------------------------------------------
Thu Jul 7 08:50:16 UTC 2022 - Alexei Sorokin <sor.alexei@meowr.ru>

3
pipewire.spec
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@ -64,6 +64,8 @@ Source0: %{name}-%{version}.tar.xz
Source99: baselibs.conf
# PATCH-FIX-OPENSUSE reduce-meson-dependency.patch
Patch0: reduce-meson-dependency.patch
# PATCH-FIX-UPSTREAM https://gitlab.freedesktop.org/pipewire/pipewire/-/merge_requests/1319
Patch1: 0001-spa-alsa-udev-Check-accessibility-of-pcm-devices-as-.patch
BuildRequires: docutils
BuildRequires: doxygen
BuildRequires: fdupes
@ -334,6 +336,7 @@ This package provides a PulseAudio implementation based on PipeWire
%if 0%{?sle_version} == 150300
%patch0 -p1
%endif
%patch1 -p1
%build
%if %{pkg_vcmp gcc < 8}