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env: PIPEWIRE_QUANTUM now uses FORCE_RATE and FORCE_QUANTUM 

Make it force a RATE and QUANTUM on the graph. The non-force options
can already be done with PIPEWIRE_RATE and PIPEWIRE_LATENCY.
This commit is contained in:
Wim Taymans 2023-10-10 15:10:19 +02:00
parent 6c32b50ccd
commit fcde479a82
4 changed files with 11 additions and 12 deletions
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5
README.md
View File

@ -52,9 +52,8 @@ applications:
the samplerate.
* `PIPEWIRE_RATE=<num/denom>` to configure a rate for the graph.
* `PIPEWIRE_QUANTUM=<num/denom>` to configure latency as a fraction and a
samplerate. This function will attempt to change
the graph samplerate to `denom` and use the
specified `num` as the buffer size.
samplerate. This function will force the graph samplerate to
`denom` and force the specified `num` as the buffer size.
* `PIPEWIRE_NODE=<id>` to request a link to the specified node. The
id can be a node.name or object.serial of the target node.

6
pipewire-jack/src/pipewire-jack.c
View File

@ -3804,10 +3804,10 @@ jack_client_t * jack_client_open (const char *client_name,
if ((str = getenv("PIPEWIRE_QUANTUM")) != NULL) {
struct spa_fraction q;
if (sscanf(str, "%u/%u", &q.num, &q.denom) == 2 && q.denom != 0) {
pw_properties_setf(client->props, PW_KEY_NODE_RATE,
pw_properties_setf(client->props, PW_KEY_NODE_FORCE_RATE,
"1/%u", q.denom);
pw_properties_setf(client->props, PW_KEY_NODE_LATENCY,
"%u/%u", q.num, q.denom);
pw_properties_setf(client->props, PW_KEY_NODE_FORCE_QUANTUM,
"%u", q.num);
} else {
pw_log_warn("invalid PIPEWIRE_QUANTUM: %s", str);
}

6
src/pipewire/filter.c
View File

@ -1659,10 +1659,10 @@ pw_filter_connect(struct pw_filter *filter,
if ((str = getenv("PIPEWIRE_QUANTUM")) != NULL) {
struct spa_fraction q;
if (sscanf(str, "%u/%u", &q.num, &q.denom) == 2 && q.denom != 0) {
pw_properties_setf(filter->properties, PW_KEY_NODE_RATE,
pw_properties_setf(filter->properties, PW_KEY_NODE_FORCE_RATE,
"1/%u", q.denom);
pw_properties_setf(filter->properties, PW_KEY_NODE_LATENCY,
"%u/%u", q.num, q.denom);
pw_properties_setf(filter->properties, PW_KEY_NODE_FORCE_QUANTUM,
"%u", q.num);
}
}
if ((str = getenv("PIPEWIRE_LATENCY")) != NULL)

6
src/pipewire/stream.c
View File

@ -2034,10 +2034,10 @@ pw_stream_connect(struct pw_stream *stream,
if ((str = getenv("PIPEWIRE_QUANTUM")) != NULL) {
struct spa_fraction q;
if (sscanf(str, "%u/%u", &q.num, &q.denom) == 2 && q.denom != 0) {
pw_properties_setf(stream->properties, PW_KEY_NODE_RATE,
pw_properties_setf(stream->properties, PW_KEY_NODE_FORCE_RATE,
"1/%u", q.denom);
pw_properties_setf(stream->properties, PW_KEY_NODE_LATENCY,
"%u/%u", q.num, q.denom);
pw_properties_setf(stream->properties, PW_KEY_NODE_FORCE_QUANTUM,
"%u", q.num);
}
}
if ((str = getenv("PIPEWIRE_LATENCY")) != NULL)