diff options
Diffstat (limited to 'src/audiomixertest.c')
-rw-r--r-- | src/audiomixertest.c | 131 |
1 files changed, 112 insertions, 19 deletions
diff --git a/src/audiomixertest.c b/src/audiomixertest.c index ddb7ac9..641fe70 100644 --- a/src/audiomixertest.c +++ b/src/audiomixertest.c @@ -69,7 +69,7 @@ set_gain (AudioMixerTest *self, gint id, gfloat gain) if(id == i) { if (g_str_equal ("bass", ctrl->name) || g_str_equal ("treble", ctrl->name)) { - if (fabs (ctrl->gain - gain) < 0.000001) + if (fabs (ctrl->gain - gain) < 0.00001) g_warning ("gain already at requested level %f", ctrl->gain); else { audiomixer_change_gain (self->am, ctrl, gain); @@ -100,10 +100,54 @@ set_volume (AudioMixerTest *self, gint id, double vol) g_warning ("volume cannot be applied for %s control", ctrl->name); else { - if (fabs (ctrl->volume - vol) < 0.000001) + if (fabs (ctrl->volume - vol) < 0.00001) g_warning ("volume is already at requested level %f", ctrl->volume); else { - audiomixer_change_volume (self->am, ctrl, (double)vol); + audiomixer_change_volume (self->am, ctrl, vol); + ret = TRUE; + } + + } + break; + } + } + + return ret; +} + + +static gint +set_channels_volume (AudioMixerTest *self, gint id, double lvol, double rvol) +{ + gint ret = -1; + int i; + gboolean set_left_channel_volume = TRUE; + gboolean set_right_channel_volume = TRUE; + + for (i = 0; i < self->nctrls; i++) { + const struct mixer_control *ctrl = self->ctrls[i]; + + if (id == i) { + if (g_str_equal ("bass", ctrl->name) || g_str_equal ("treble", ctrl->name)) + g_warning ("volume cannot be applied for %s control", ctrl->name); + else { + + if (fabs (ctrl->lvolume - lvol) < 0.00001) { + set_left_channel_volume = FALSE; + lvol = ctrl->lvolume; + g_warning ("left volume is already at requested level %f", + ctrl->lvolume); + } + + if (fabs (ctrl->rvolume - rvol) < 0.00001) { + set_right_channel_volume = FALSE; + rvol = ctrl->rvolume; + g_warning ("right volume is already at requested level %f", + ctrl->rvolume); + } + + if (set_left_channel_volume || set_right_channel_volume) { + audiomixer_change_channel_volume (self->am, ctrl, lvol, rvol); ret = TRUE; } @@ -129,8 +173,9 @@ print_ctrls (AudioMixerTest *self) fprintf(stdout, "\n%2d. %-25s [gain: %.2f]", i, ctrl->name, ctrl->gain); else - fprintf(stdout, "\n%2d. %-25s [vol: %.2f, mute:%d]", i, ctrl->name, - ctrl->volume, ctrl->mute); + fprintf (stdout, "\n%2d. %-25s [vol: %.2f, lvol: %.2f, rvol: %.2f," + " mute:%d]", i, ctrl->name, ctrl->volume, ctrl->lvolume, ctrl->rvolume, + ctrl->mute); } fprintf (stdout, "\n"); } @@ -149,21 +194,33 @@ static void show_help (void) " -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" + " 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 volume controls(all controls except bass and treble)\n" - " Examples\n" - " audio-mixer-test -v 0.2 -> sets volume of the 1st control with 0.2\n" - " audio-mixer-test -i 9 -v 0.2 -> sets volume of the 9th control with 0.2\n" - " -g, --set-gain gain level for gain controls like bass and treble\n" - " Examples\n" - " audio-mixer-test -i 11 -g 0.8 -> sets gain of the 11th control with 0.8\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\n" - " audio-mixer-test -m -> unmutes the 1st control, if it is issued after the above command\n" - " audio-mixer-test -i 9 -m -> mutes 9th control (Multimedia) with 0.8\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"); } static void @@ -192,8 +249,10 @@ main (gint argc, gchar **argv) struct audiomixer_events audiomixer_events = { 0 }; gint id = -1; - double vol = 0.0; + double vol = 0.0, lvol = 0.0, rvol = 0.0; gfloat gain = 0.0; + gboolean set_right_channel_volume = FALSE; + gboolean set_left_channel_volume = FALSE; self.loop = g_main_loop_new (NULL, FALSE); @@ -245,13 +304,15 @@ main (gint argc, gchar **argv) { "help", no_argument, NULL, 'h' }, { "print-controls", no_argument, NULL, 'p' }, { "id", required_argument, NULL, 'i' }, + { "left-chan-vol", required_argument, NULL, 'l' }, + { "right-chan-vol", required_argument, NULL, 'r' }, { "set-volume", required_argument, NULL, 'v' }, { "set-mute", no_argument, NULL, 'm' }, { "set-gain", required_argument, NULL, 'g' }, { NULL, 0, NULL, 0} }; - while ((c = getopt_long (argc, argv, "hpi:v:mg:", long_options, NULL)) != -1) { + while ((c = getopt_long (argc, argv, "hpi:v:mg:l:r:", long_options, NULL)) != -1) { switch(c) { case 'h': show_help (); @@ -285,6 +346,26 @@ main (gint argc, gchar **argv) break; + case 'l': + if (id == -1) { + g_warning ("control id not given defaulting it to 0(Master Playback)"); + id = 0; + } + + lvol = (double)atof (optarg); + set_left_channel_volume = TRUE; + break; + + case 'r': + if (id == -1) { + g_warning ("control id not given defaulting it to 0(Master Playback)"); + id = 0; + } + + rvol = (double)atof (optarg); + set_right_channel_volume = TRUE; + break; + case 'm': if (id == -1) { g_warning ("control id not given defaulting it to 0(Master Playback)"); @@ -322,6 +403,18 @@ main (gint argc, gchar **argv) } } + if (set_left_channel_volume && set_right_channel_volume) { + ret = set_channels_volume (&self, id, lvol, rvol); + if (ret != TRUE) + g_warning ("set_channels_volume failed"); + else + /* wait for volume to be acked */ + g_main_loop_run (self.loop); + } + else if (set_left_channel_volume || set_right_channel_volume) { + g_warning ("set volume of both left and right channels"); + } + exit: /* clean up at program exit */ audio_mixer_clear (&self); |