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sys/oss4/oss4-mixer-slider.c: Apparently mono sliders have the mono value repeated in the upper bits, so mask those o...

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Original commit message from CVS:
Based on patch by: Clive Wright <clive_wright ntlworld com>
* sys/oss4/oss4-mixer-slider.c: (gst_oss4_mixer_slider_unpack_volume):
Apparently mono sliders have the mono value repeated in the upper bits,
so mask those out when reading them. Probably makes the mixer applet
work properly in some more cases.
This commit is contained in:
Clive Wright 2008-05-08 19:16:17 +00:00 committed by Tim-Philipp Müller
parent f32cbe5017
commit 5d89e2e0a4
2 changed files with 17 additions and 2 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
2008-05-08 Tim-Philipp Müller <tim.muller at collabora co uk>
Based on patch by: Clive Wright <clive_wright ntlworld com>
* sys/oss4/oss4-mixer-slider.c: (gst_oss4_mixer_slider_unpack_volume):
Apparently mono sliders have the mono value repeated in the upper bits,
so mask those out when reading them. Probably makes the mixer applet
work properly in some more cases.
2008-05-08 Wim Taymans <wim.taymans@collabora.co.uk>
Patch by: Olivier Crete <tester at tester dot ca>

10
sys/oss4/oss4-mixer-slider.c
View file

@ -96,11 +96,17 @@ gst_oss4_mixer_slider_unpack_volume (GstOss4MixerSlider * s, int v,
val = (guint32) v;
switch (s->mc->mixext.type) {
case MIXT_MONOSLIDER:
case MIXT_MONOSLIDER16:
case MIXT_SLIDER:
volumes[0] = val;
break;
case MIXT_MONOSLIDER:
/* oss repeats the value in the upper bits, as if it was stereo */
volumes[0] = val & 0x00ff;
break;
case MIXT_MONOSLIDER16:
/* oss repeats the value in the upper bits, as if it was stereo */
volumes[0] = val & 0x0000ffff;
break;
case MIXT_STEREOSLIDER:
volumes[0] = (val & 0x00ff);
volumes[1] = (val & 0xff00) >> 8;