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gst-play: Add support for audio mute control

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Assign 'm' keyboard input to control audio mute state

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-base/-/merge_requests/674>
This commit is contained in:
Seungha Yang 2020-05-27 23:20:25 +09:00
parent db4567152d
commit d944c27d96
1 changed files with 21 additions and 0 deletions
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21
tools/gst-play.c
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@ -313,6 +313,23 @@ play_set_relative_volume (GstPlay * play, gdouble volume_step)
gst_print (" \n");
}
static void
play_toggle_audio_mute (GstPlay * play)
{
gboolean mute;
mute = gst_stream_volume_get_mute (GST_STREAM_VOLUME (play->playbin));
mute = !mute;
gst_stream_volume_set_mute (GST_STREAM_VOLUME (play->playbin), mute);
if (mute)
gst_print (_("Mute: on"));
else
gst_print (_("Mute: off"));
gst_print (" \n");
}
/* returns TRUE if something was installed and we should restart playback */
static gboolean
play_install_missing_plugins (GstPlay * play)
@ -1316,6 +1333,7 @@ print_keyboard_help (void)
"\342\206\220", N_("seek backward")}, {
"\342\206\221", N_("volume up")}, {
"\342\206\223", N_("volume down")}, {
"m", N_("toggle audio mute on/off")}, {
"+", N_("increase playback rate")}, {
"-", N_("decrease playback rate")}, {
"d", N_("change playback direction")}, {
@ -1419,6 +1437,9 @@ keyboard_cb (const gchar * key_input, gpointer user_data)
case '0':
play_do_seek (play, 0, play->rate, play->trick_mode);
break;
case 'm':
play_toggle_audio_mute (play);
break;
default:
if (strcmp (key_input, GST_PLAY_KB_ARROW_RIGHT) == 0) {
relative_seek (play, +0.08);