Make gengetopt descriptions work.

[paraslash.git] / m4 / gengetopt / fade.m4

diff --git a/m4/gengetopt/fade.m4 b/m4/gengetopt/fade.m4
index e5d08bf00e45b7f17e7b5e8cc6d9a928d071fd50..da7a27e2c632032ccce20a528e685bf3dd7a58a1 100644 (file)
--- a/m4/gengetopt/fade.m4
+++ b/m4/gengetopt/fade.m4
@@ -1,8 +1,16 @@
 args "--conf-parser --no-handle-version"
 
+include(header.m4)
+define(CURRENT_PROGRAM,para_fade)
+define(DEFAULT_CONFIG_FILE,~/.paraslash/fade.conf)
+<qu>
 section "General options"
 #########################
 
+</qu>
+include(config_file.m4)
+include(loglevel.m4)
+<qu>
 option "mode" o
 #~~~~~~~~~~~~~~
 "how to fade volume"
@@ -26,11 +34,17 @@ option "mode" o
                snooze: Fade out, sleep a bit and fade in.
 "
 
-option "config-file" c
-#~~~~~~~~~~~~~~~~~~~~~
-"(default='~/.paraslash/fade.conf')"
-       string typestr = "filename"
+option "mixer-api" a
+#~~~~~~~~~~~~~~~~~~~
+"choose the mixer API"
+       string typestr = "api"
        optional
+       details = "
+               ALSA is preferred over OSS if both APIs are supported
+               and this option is not given. To see the supported
+               mixer APIs, use this option with an invalid string
+               as the mixer API, e.g. --mixer-api help.
+       "
 
 option "mixer-device" m
 #~~~~~~~~~~~~~~~~~~~~~~
@@ -38,8 +52,10 @@ option "mixer-device" m
        string typestr = "device"
        optional
        details = "
-               If this option is not given '/dev/mixer' is used as
-               the default.
+               The default device (used if this option is not given)
+               depends on the selected mixer API. For ALSA, the
+               default is 'hw:0' which corresponds to the first sound
+               device. For OSS, '/dev/mixer' is used as the default.
        "
 
 option "mixer-channel" C
@@ -48,11 +64,18 @@ option "mixer-channel" C
        string typestr = "channel"
        optional
        details = "
-               The possible values are 'volume', 'bass', 'treble',
-               'synth', 'pcm', 'speaker', 'line', 'mic', 'cd', 'imix',
-               'altpcm', 'reclev', 'igain', 'ogain'. However, not all
-               listed channels might be supported on any particular
-               hardware. The default mixer channel is 'volume'.
+               For the ALSA mixer API, the possible values are
+               determined at runtime depending on the hardware and
+               can be printed by specifying an invalid mixer channel,
+               for example --mixer-channel help. The default channel
+               is 'Master'.
+
+               For OSS the possible values are invariably 'volume',
+               'bass', 'treble', 'synth', 'pcm', 'speaker', 'line',
+               'mic', 'cd', 'imix', 'altpcm', 'reclev', 'igain',
+               'ogain'. However, not all listed channels might be
+               supported on any particular hardware. The default
+               channel is 'volume'.
        "
 
 section "Options for sleep mode"
@@ -203,3 +226,4 @@ option "fade-time" t
        int typestr = "seconds"
        default = "5"
        optional
+</qu>