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pactl: add get-sink-volume command

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Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/430>
This commit is contained in:
Jason Nader 2020-12-08 13:55:31 +09:00 • committed by PulseAudio Marge Bot
parent 0e4a92ca69
commit 75390822b4
2 changed files with 43 additions and 1 deletions
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5
man/pactl.1.xml.in
View file

@ -192,6 +192,11 @@ License along with PulseAudio; if not, see <http://www.gnu.org/licenses/>.
<arg>OFFSET</arg> is a number which represents the latency offset in microseconds</p></optdesc>
</option>
<option>
<p><opt>get-sink-volume</opt> <arg>SINK</arg></p>
<optdesc><p>Get the volume of the specified sink (identified by its symbolic name or numerical index) displayed in the same format as the `info` command.</p></optdesc>
</option>
<option>
<p><opt>set-sink-volume</opt> <arg>SINK</arg> <arg>VOLUME [VOLUME ...]</arg></p>
<optdesc><p>Set the volume of the specified sink (identified by its symbolic name or numerical index).

39
src/utils/pactl.c
View file

@ -125,6 +125,7 @@ static enum {
SET_DEFAULT_SINK,
SET_SOURCE_PORT,
SET_DEFAULT_SOURCE,
GET_SINK_VOLUME,
SET_SINK_VOLUME,
SET_SOURCE_VOLUME,
SET_SINK_INPUT_VOLUME,
@ -1046,6 +1047,27 @@ static void fill_volume(pa_cvolume *cv, unsigned supported) {
}
static void get_sink_volume_callback(pa_context *c, const pa_sink_info *i, int is_last, void *userdata) {
if (is_last < 0) {
pa_log(_("Failed to get sink information: %s"), pa_strerror(pa_context_errno(c)));
quit(1);
return;
}
if (is_last)
return;
pa_assert(i);
char cv[PA_CVOLUME_SNPRINT_VERBOSE_MAX];
printf(("Volume: %s\n"
" balance %0.2f\n"),
pa_cvolume_snprint_verbose(cv, sizeof(cv), &i->volume, &i->channel_map, true),
pa_cvolume_get_balance(&i->volume, &i->channel_map));
complete_action();
}
static void set_sink_volume_callback(pa_context *c, const pa_sink_info *i, int is_last, void *userdata) {
pa_cvolume cv;
if (is_last < 0) {
@ -1538,10 +1560,14 @@ static void context_state_callback(pa_context *c, void *userdata) {
o = pa_context_set_source_output_mute(c, source_output_idx, mute, simple_callback, NULL);
break;
case SET_SINK_VOLUME:
case GET_SINK_VOLUME:
o = pa_context_get_sink_info_by_name(c, sink_name, get_sink_volume_callback, NULL);
break;
case SET_SINK_VOLUME:
o = pa_context_get_sink_info_by_name(c, sink_name, set_sink_volume_callback, NULL);
break;
case SET_SOURCE_VOLUME:
o = pa_context_get_source_info_by_name(c, source_name, get_source_volume_callback, NULL);
break;
@ -1737,6 +1763,7 @@ static void help(const char *argv0) {
printf("%s %s %s %s\n", argv0, _("[options]"), "get-default-(sink|source)", _("NAME"));
printf("%s %s %s %s\n", argv0, _("[options]"), "set-default-(sink|source)", _("NAME"));
printf("%s %s %s %s\n", argv0, _("[options]"), "set-(sink|source)-port", _("NAME|#N PORT"));
printf("%s %s %s %s\n", argv0, _("[options]"), "get-(sink|source)-volume", _("NAME|#N"));
printf("%s %s %s %s\n", argv0, _("[options]"), "set-(sink|source)-volume", _("NAME|#N VOLUME [VOLUME ...]"));
printf("%s %s %s %s\n", argv0, _("[options]"), "set-(sink-input|source-output)-volume", _("#N VOLUME [VOLUME ...]"));
printf("%s %s %s %s\n", argv0, _("[options]"), "set-(sink|source)-mute", _("NAME|#N 1|0|toggle"));
@ -2059,6 +2086,16 @@ int main(int argc, char *argv[]) {
source_name = pa_xstrdup(argv[optind+1]);
} else if (pa_streq(argv[optind], "get-sink-volume")) {
action = GET_SINK_VOLUME;
if (argc < optind+2) {
pa_log(_("You have to specify a sink name/index"));
goto quit;
}
sink_name = pa_xstrdup(argv[optind+1]);
} else if (pa_streq(argv[optind], "set-sink-volume")) {
action = SET_SINK_VOLUME;