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Implement HAVE_LCD_ENABLE and lcd_update_rect(). When Rockbox runs in the background

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this greatly reduces CPU load. lcd_update_rect shoves a bit as well.

CPU usage with Rockbox in background is between 3% (with a 200kbps vbr mp3) and 12% (320kbps cbr mp3), so it's low but still dependent on codecs and even particular files.
Driving a WPS with peakmeter, e.g. the builtin one, adds about 30% cpu usage.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27689 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2010-08-04 01:03:25 +00:00
parent f66a233bdb
commit 594110e962
4 changed files with 98 additions and 24 deletions
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23
android/src/org/rockbox/RockboxActivity.java
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@ -78,6 +78,7 @@ public class RockboxActivity extends Activity {
public void onResume()
{
super.onResume();
if (RockboxService.fb != null)
{
try {
@ -91,8 +92,30 @@ public class RockboxActivity extends Activity {
} catch (Exception e) {
LOG(e.toString());
}
RockboxService.fb.resume();
}
}
/* this is also called when the backlight goes off,
* which is nice
*/
@Override
protected void onPause() {
super.onPause();
RockboxService.fb.suspend();
}
@Override
protected void onStop() {
super.onStop();
RockboxService.fb.suspend();
}
@Override
protected void onDestroy() {
super.onDestroy();
RockboxService.fb.suspend();
}
private void LOG(CharSequence text)
{