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jack: add PIPEWIRE_RATE env variable

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So that you can make pipewire switch samplerates.
This commit is contained in:
Wim Taymans 2022-01-14 10:12:05 +01:00
parent 888716a871
commit ac919e2a10
2 changed files with 10 additions and 2 deletions
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2
pipewire-jack/src/pipewire-jack.c
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@ -3183,6 +3183,8 @@ jack_client_t * jack_client_open (const char *client_name,
if ((str = getenv("PIPEWIRE_LATENCY")) != NULL)
pw_properties_set(client->props, PW_KEY_NODE_LATENCY, str);
if ((str = getenv("PIPEWIRE_RATE")) != NULL)
pw_properties_set(client->props, PW_KEY_NODE_RATE, str);
if ((str = pw_properties_get(client->props, PW_KEY_NODE_LATENCY)) != NULL) {
uint32_t num, denom;
if (sscanf(str, "%u/%u", &num, &denom) == 2 && denom != 0) {

10
pipewire-jack/src/pw-jack.in
View file

@ -24,7 +24,7 @@
# DEALINGS IN THE SOFTWARE.
#
SAMPLERATE=48000
DEFAULT_SAMPLERATE=48000
while getopts 'hr:vs:p:' param ; do
case $param in
@ -55,7 +55,7 @@ while getopts 'hr:vs:p:' param ; do
echo " -h show brief help"
echo " -r <remote> remote daemon name"
echo " -v verbose debug info"
echo " -s samplerate (default \"$SAMPLERATE\")"
echo " -s samplerate (default \"$DEFAULT_SAMPLERATE\")"
echo " -p period in samples"
exit 0
;;
@ -65,6 +65,12 @@ done
shift $(( OPTIND - 1 ))
if [ -n "$PERIOD" ]; then
if [ -n "$SAMPLERATE" ]; then
PIPEWIRE_RATE="1/$SAMPLERATE"
export PIPEWIRE_RATE
else
SAMPLERATE=$DEFAULT_SAMPLERATE
fi
PIPEWIRE_LATENCY="$PERIOD/$SAMPLERATE"
export PIPEWIRE_LATENCY
fi