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authorGeorge Kiagiadakis <george.kiagiadakis@collabora.com>2021-06-22 15:08:25 +0000
committerJan-Simon Moeller <jsmoeller@linuxfoundation.org>2021-06-23 11:02:55 +0000
commit2837293f04776ab51f36b4dd52a6d046fca4d47b (patch)
tree419f1d17dca3685c85998697525eb5b8ab6f042f
parente17ac0809da83b63f7242b6ad91c00e377c7f96e (diff)
pipewire: fix alsa virtual device to work again
* Install symlinks to the configuration files in /etc/alsa/conf.d * Add patch from pipewire master to support roles on the virtual alsa device Bug-AGL: SPEC-3822 Signed-off-by: George Kiagiadakis <george.kiagiadakis@collabora.com> Change-Id: Ie411df23390754e2cdc494657eb9881771b8c401 Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/26447 Tested-by: Jenkins Job builder account ci-image-build: Jenkins Job builder account ci-image-boot-test: Jenkins Job builder account Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
-rw-r--r--meta-pipewire/recipes-multimedia/pipewire/pipewire/0001-alsa-plugin-allow-specifying-a-media.role-on-the-vir.patch124
-rw-r--r--meta-pipewire/recipes-multimedia/pipewire/pipewire_0.3.30.bbappend18
2 files changed, 142 insertions, 0 deletions
diff --git a/meta-pipewire/recipes-multimedia/pipewire/pipewire/0001-alsa-plugin-allow-specifying-a-media.role-on-the-vir.patch b/meta-pipewire/recipes-multimedia/pipewire/pipewire/0001-alsa-plugin-allow-specifying-a-media.role-on-the-vir.patch
new file mode 100644
index 000000000..c6cf373c2
--- /dev/null
+++ b/meta-pipewire/recipes-multimedia/pipewire/pipewire/0001-alsa-plugin-allow-specifying-a-media.role-on-the-vir.patch
@@ -0,0 +1,124 @@
+From ff019936a70262c176a4bd950bc80ab84d2a71b0 Mon Sep 17 00:00:00 2001
+From: George Kiagiadakis <george.kiagiadakis@collabora.com>
+Date: Tue, 22 Jun 2021 13:23:22 +0300
+Subject: [PATCH] alsa plugin: allow specifying a media.role on the virtual
+ device name
+
+So that we can do:
+ aplay -D pipewire:ROLE=Music music.wav
+ aplay -D pipewire:ROLE=Notification notice.wav
+
+Upstream-Status: Backport [from master/0.3.31]
+---
+ pipewire-alsa/alsa-plugins/pcm_pipewire.c | 14 +++++++++++++-
+ pipewire-alsa/conf/50-pipewire.conf | 11 ++++++++++-
+ 2 files changed, 23 insertions(+), 2 deletions(-)
+
+diff --git a/pipewire-alsa/alsa-plugins/pcm_pipewire.c b/pipewire-alsa/alsa-plugins/pcm_pipewire.c
+index 86792d2c7..6ace1b689 100644
+--- a/pipewire-alsa/alsa-plugins/pcm_pipewire.c
++++ b/pipewire-alsa/alsa-plugins/pcm_pipewire.c
+@@ -59,6 +59,7 @@ typedef struct {
+
+ char *node_name;
+ char *target;
++ char *role;
+
+ int fd;
+ int error;
+@@ -509,6 +510,9 @@ static int snd_pcm_pipewire_prepare(snd_pcm_ioplug_t *io)
+ pw_properties_set(props, PW_KEY_MEDIA_CATEGORY,
+ io->stream == SND_PCM_STREAM_PLAYBACK ?
+ "Playback" : "Capture");
++ if (pw->role != NULL &&
++ pw_properties_get(props, PW_KEY_MEDIA_ROLE) == NULL)
++ pw_properties_setf(props, PW_KEY_MEDIA_ROLE, "%s", pw->role);
+
+ pw->stream = pw_stream_new(pw->core, pw->node_name, props);
+ if (pw->stream == NULL)
+@@ -958,6 +962,7 @@ static int snd_pcm_pipewire_open(snd_pcm_t **pcmp, const char *name,
+ const char *server_name,
+ const char *playback_node,
+ const char *capture_node,
++ const char *role,
+ snd_pcm_stream_t stream,
+ int mode,
+ uint32_t flags,
+@@ -1013,6 +1018,8 @@ static int snd_pcm_pipewire_open(snd_pcm_t **pcmp, const char *name,
+ pw->target = capture_node ? strdup(capture_node) : NULL;
+ }
+
++ pw->role = (role && *role) ? strdup(role) : NULL;
++
+ pw->main_loop = pw_thread_loop_new("alsa-pipewire", NULL);
+ if (pw->main_loop == NULL) {
+ err = -errno;
+@@ -1091,6 +1098,7 @@ SND_PCM_PLUGIN_DEFINE_FUNC(pipewire)
+ const char *server_name = NULL;
+ const char *playback_node = NULL;
+ const char *capture_node = NULL;
++ const char *role = NULL;
+ snd_pcm_format_t format = SND_PCM_FORMAT_UNKNOWN;
+ int rate = 0;
+ int channels = 0;
+@@ -1125,6 +1133,10 @@ SND_PCM_PLUGIN_DEFINE_FUNC(pipewire)
+ snd_config_get_string(n, &capture_node);
+ continue;
+ }
++ if (spa_streq(id, "role")) {
++ snd_config_get_string(n, &role);
++ continue;
++ }
+ if (spa_streq(id, "exclusive")) {
+ if (snd_config_get_bool(n))
+ flags |= PW_STREAM_FLAG_EXCLUSIVE;
+@@ -1174,7 +1186,7 @@ SND_PCM_PLUGIN_DEFINE_FUNC(pipewire)
+ }
+
+ err = snd_pcm_pipewire_open(pcmp, name, node_name, server_name, playback_node,
+- capture_node, stream, mode, flags, rate, format,
++ capture_node, role, stream, mode, flags, rate, format,
+ channels, period_bytes);
+
+ return err;
+diff --git a/pipewire-alsa/conf/50-pipewire.conf b/pipewire-alsa/conf/50-pipewire.conf
+index 2c6f2d259..f7e58472b 100644
+--- a/pipewire-alsa/conf/50-pipewire.conf
++++ b/pipewire-alsa/conf/50-pipewire.conf
+@@ -3,9 +3,10 @@
+ defaults.pipewire.server "pipewire-0"
+ defaults.pipewire.node "-1"
+ defaults.pipewire.exclusive false
++defaults.pipewire.role ""
+
+ pcm.pipewire {
+- @args [ SERVER NODE EXCLUSIVE ]
++ @args [ SERVER NODE EXCLUSIVE ROLE ]
+ @args.SERVER {
+ type string
+ default {
+@@ -27,6 +28,13 @@ pcm.pipewire {
+ name defaults.pipewire.exclusive
+ }
+ }
++ @args.ROLE {
++ type string
++ default {
++ @func refer
++ name defaults.pipewire.role
++ }
++ }
+
+
+ type pipewire
+@@ -34,6 +42,7 @@ pcm.pipewire {
+ playback_node $NODE
+ capture_node $NODE
+ exclusive $EXCLUSIVE
++ role $ROLE
+ hint {
+ show on
+ description "PipeWire Sound Server"
+--
+2.30.2
+
diff --git a/meta-pipewire/recipes-multimedia/pipewire/pipewire_0.3.30.bbappend b/meta-pipewire/recipes-multimedia/pipewire/pipewire_0.3.30.bbappend
index cc2308e95..d45e0538b 100644
--- a/meta-pipewire/recipes-multimedia/pipewire/pipewire_0.3.30.bbappend
+++ b/meta-pipewire/recipes-multimedia/pipewire/pipewire_0.3.30.bbappend
@@ -5,3 +5,21 @@ PACKAGECONFIG = "\
${@bb.utils.filter('DISTRO_FEATURES', 'systemd', d)} \
gstreamer v4l2 \
"
+
+SRC_URI += "\
+ file://0001-alsa-plugin-allow-specifying-a-media.role-on-the-vir.patch \
+"
+
+do_install_append() {
+ # install symlinks to alsalib configuration files
+ for i in 50-pipewire.conf 99-pipewire-default.conf; do
+ if [ -f ${D}${datadir}/alsa/alsa.conf.d/${i} ]; then
+ mkdir -p ${D}${sysconfdir}/alsa/conf.d
+ ln -s ${datadir}/alsa/alsa.conf.d/${i} ${D}${sysconfdir}/alsa/conf.d/${i}
+ fi
+ done
+}
+
+FILES_${PN}-alsa_append = "\
+ ${sysconfdir}/alsa/conf.d/* \
+"