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pactl, pacmd: Allow to unset the configured default sink or source

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Currently there is no way to unset the default sink or source once it was
configured manually by the user.
This patch introduces the special name @NONE@, which can be used with the pacmd
or pactl set-default-sink and set-default-source commands to unset the user
configured default. When the default is unset, pulseaudio will return to the
standard default sink or source selection mechanism based on priority.

Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/785>
This commit is contained in:
Georg Chini 2023-03-20 21:35:10 +01:00 • committed by PulseAudio Marge Bot
parent 25bfdb3ab8
commit 86e9c90128
4 changed files with 35 additions and 15 deletions
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8
src/pulsecore/cli-command.c
View file

@ -1038,7 +1038,9 @@ static int pa_cli_command_sink_default(pa_core *c, pa_tokenizer *t, pa_strbuf *b
return -1;
}
if ((s = pa_namereg_get(c, n, PA_NAMEREG_SINK)))
if (pa_streq(n, "@NONE@"))
pa_core_set_configured_default_sink(c, NULL);
else if ((s = pa_namereg_get(c, n, PA_NAMEREG_SINK)))
pa_core_set_configured_default_sink(c, s->name);
else
pa_strbuf_printf(buf, "Sink %s does not exist.\n", n);
@ -1060,7 +1062,9 @@ static int pa_cli_command_source_default(pa_core *c, pa_tokenizer *t, pa_strbuf
return -1;
}
if ((s = pa_namereg_get(c, n, PA_NAMEREG_SOURCE)))
if (pa_streq(n, "@NONE@"))
pa_core_set_configured_default_source(c, NULL);
else if ((s = pa_namereg_get(c, n, PA_NAMEREG_SOURCE)))
pa_core_set_configured_default_source(c, s->name);
else
pa_strbuf_printf(buf, "Source %s does not exist.\n", n);

28
src/pulsecore/protocol-native.c
View file

@ -4379,23 +4379,33 @@ static void command_set_default_sink_or_source(pa_pdispatch *pd, uint32_t comman
}
CHECK_VALIDITY(c->pstream, c->authorized, tag, PA_ERR_ACCESS);
CHECK_VALIDITY(c->pstream, !s || pa_namereg_is_valid_name(s), tag, PA_ERR_INVALID);
CHECK_VALIDITY(c->pstream, !s || pa_namereg_is_valid_name(s) || pa_safe_streq(s,"@NONE@"), tag, PA_ERR_INVALID);
if (command == PA_COMMAND_SET_DEFAULT_SOURCE) {
pa_source *source;
char *source_name = NULL;
source = pa_namereg_get(c->protocol->core, s, PA_NAMEREG_SOURCE);
CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
if (!pa_safe_streq(s,"@NONE@")) {
pa_source *source;
pa_core_set_configured_default_source(c->protocol->core, source->name);
source = pa_namereg_get(c->protocol->core, s, PA_NAMEREG_SOURCE);
CHECK_VALIDITY(c->pstream, source, tag, PA_ERR_NOENTITY);
source_name = source->name;
}
pa_core_set_configured_default_source(c->protocol->core, source_name);
} else {
pa_sink *sink;
char *sink_name = NULL;
pa_assert(command == PA_COMMAND_SET_DEFAULT_SINK);
sink = pa_namereg_get(c->protocol->core, s, PA_NAMEREG_SINK);
CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
if (!pa_safe_streq(s,"@NONE@")) {
pa_sink *sink;
pa_core_set_configured_default_sink(c->protocol->core, sink->name);
sink = pa_namereg_get(c->protocol->core, s, PA_NAMEREG_SINK);
CHECK_VALIDITY(c->pstream, sink, tag, PA_ERR_NOENTITY);
sink_name = sink->name;
}
pa_core_set_configured_default_sink(c->protocol->core, sink_name);
}
pa_pstream_send_simple_ack(c->pstream, tag);