summaryrefslogtreecommitdiffstats
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/audiomixertest.c64
1 files changed, 30 insertions, 34 deletions
diff --git a/src/audiomixertest.c b/src/audiomixertest.c
index 4d196be..b3a451a 100644
--- a/src/audiomixertest.c
+++ b/src/audiomixertest.c
@@ -193,34 +193,30 @@ static void show_help (void)
"\n"
" -h, --help Show this help\n"
" -p, --print-controls prints controls\n"
- " -i, --id control id(serial#) of the control, take a look at the controls to get the id of control\n"
- " Examples:\n"
- " audio-mixer-test -> prints the controls and help text\n"
- " audio-mixer-test -p -> prints only the controls\n"
- " -v, --set-volume set volume level for a volume control(all controls except bass and treble) this option sets\n"
- " volume for all the channels, for setting channel specific volumes check -l or -r options\n"
- " Examples:\n"
- " audio-mixer-test -v 0.2 -> sets volume(for all channels) of the 1st control(default id)\n"
- " with 0.2\n"
- " audio-mixer-test -i 9 -v 0.2 -> sets volume of the 9th control with 0.2\n"
- " -l, --left-chan-vol set left channel volume for a volume control(all controls except bass and treble)\n"
- " -r, --right-chan-vol set right channel volume for a volume control(all controls except bass and treble)\n"
- " only stereo channels are supported for now, and vol update on both the channels is required\n"
- " Examples:\n"
- " audio-mixer-test -l 0.2 -> gives an error as only one channel is updated\n"
- " audio-mixer-test -l 0.1 -r 0.2 -> sets left channel volume of 0.1 and right channel volume of\n"
- " 0.2 on the 1st control (default id) with 0.2\n"
- " audio-mixer-test -i 9 -l 0.1 -r 0.2 -> sets left channel volume of 0.1 and right channel volume\n"
- " of 0.2 on the 9th control with 0.2\n"
- " -g, --set-gain set gain level for gain controls like bass and treble\n"
- " Examples:\n"
- " audio-mixer-test -i 12 -g 0.8 -> sets gain of the 11th control with 0.8\n"
- " -m, --set-mute mute/unmute volume controls(all controls except bass and treble) takes no arguments\n"
- " Examples:\n"
- " audio-mixer-test -m -> mutes the 1st control (default id)\n"
- " audio-mixer-test -m -> unmutes the 1st control (default id), if it is issued after\n"
- " the above command\n"
- " audio-mixer-test -i 9 -m -> mutes 9th control (Multimedia) with 0.8\n");
+ " -i, --id control id (serial#) of the control to apply volume changes to\n"
+ " -v, --set-volume Set volume level for a volume control (all controls except bass and treble)\n"
+ " This option sets volume for all the channels, see -l or -r for individual channels\n"
+ " Examples:\n"
+ " audio-mixer-test -v 0.2 -> sets volume (for all channels)\n"
+ " of the 1st control (default id) to 0.2\n"
+ " audio-mixer-test -i 9 -v 0.2 -> sets volume of the 10th control to 0.2\n"
+ " -l, --left-chan-vol Set left channel volume for a volume control (all controls except bass and treble)\n"
+ " -r, --right-chan-vol Set right channel volume for a volume control (all controls except bass and treble)\n"
+ " Only stereo channels are supported for now, and vol update on both the channels is required\n"
+ " Examples:\n"
+ " audio-mixer-test -l 0.2 -> gives an error as only one channel is updated\n"
+ " audio-mixer-test -l 0.1 -r 0.2 -> sets left channel volume to 0.1 and right channel volume\n"
+ " to 0.2 on the 1st control (default id)\n"
+ " audio-mixer-test -i 9 -l 0.1 -r 0.2 -> sets left channel volume to 0.1 and right channel volume\n"
+ " to 0.2 on the 10th control\n"
+ " -g, --set-gain Set gain level for gain controls like bass and treble\n"
+ " Examples:\n"
+ " audio-mixer-test -i 12 -g 0.8 -> sets gain of the 13th control to 0.8\n"
+ " -m, --set-mute mute/unmute volume controls (all controls except bass and treble)\n"
+ " Examples:\n"
+ " audio-mixer-test -m -> mutes or unmutes the 1st control (default id)\n"
+ " depending on the previous mute state (toggle switch)\n"
+ " audio-mixer-test -i 9 -m -> toggles mute on the 10th control\n");
}
static const struct option long_options[] = {
@@ -314,14 +310,14 @@ main (gint argc, gchar **argv)
id = atoi (optarg);
if (!(id >= 0 && id < self.nctrls)) {
ret = -1;
- fprintf (stderr, "id(%d) is invalid\n", id);
+ fprintf (stderr, "id '%d' is invalid\n", id);
}
break;
case 'v':
vol = (double)atof (optarg);
if (id == -1) {
- fprintf (stderr, "control id not given defaulting it to 0(Master Playback)\n");
+ fprintf (stderr, "control id not given, defaulting it to 0 (Master Playback)\n");
id = 0;
}
@@ -336,7 +332,7 @@ main (gint argc, gchar **argv)
case 'l':
if (id == -1) {
- fprintf (stderr, "control id not given defaulting it to 0(Master Playback)\n");
+ fprintf (stderr, "control id not given, defaulting it to 0 (Master Playback)\n");
id = 0;
}
@@ -346,7 +342,7 @@ main (gint argc, gchar **argv)
case 'r':
if (id == -1) {
- fprintf (stderr, "control id not given defaulting it to 0(Master Playback)\n");
+ fprintf (stderr, "control id not given, defaulting it to 0 (Master Playback)\n");
id = 0;
}
@@ -356,7 +352,7 @@ main (gint argc, gchar **argv)
case 'm':
if (id == -1) {
- fprintf (stderr, "control id not given defaulting it to 0(Master Playback)\n");
+ fprintf (stderr, "control id not given, defaulting it to 0 (Master Playback)\n");
id = 0;
}
@@ -372,7 +368,7 @@ main (gint argc, gchar **argv)
case 'g':
gain = atof (optarg);
if (id == -1) {
- fprintf (stderr, "control id not given defaulting it to 11(bass)\n");
+ fprintf (stderr, "control id not given defaulting it to 11 (bass)\n");
id = 11; /* bass ctrl */
}