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WPS update optimizations:

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*) always initialize restore with true, and make the get_action timeout 1 tick if restore is true (which only happens at initially showing the wps), which makes the wps show up way faster (nearly instantly)
*) reduce the number of full updates by removing update_track (full updates are initiated by the event now), rename partial_update to update.
Now, full updates should really happen only on (re-)entering the wps or track change now.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20661 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Thomas Martitz 2009-04-08 17:11:50 +00:00
parent 53b7a4ef8b
commit 1d52b72952
1 changed files with 24 additions and 35 deletions
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59
apps/gui/gwps.c
View file

@ -244,32 +244,24 @@ void gwps_draw_statusbars(void)
long gui_wps_show(void)
{
long button = 0;
bool restore = false;
bool restore = true;
long restoretimer = RESTORE_WPS_INSTANTLY; /* timer to delay screen redraw temporarily */
bool exit = false;
bool bookmark = false;
bool update_track = false, partial_update = false;
bool update = false;
int i;
long last_left = 0, last_right = 0;
wps_state_init();
#ifdef HAVE_LCD_CHARCELLS
status_set_audio(true);
status_set_param(false);
#endif
gwps_fix_statusbars();
#ifdef AB_REPEAT_ENABLE
ab_repeat_init();
ab_reset_markers();
#endif
if(audio_status() & AUDIO_STATUS_PLAY)
{
wps_state.id3 = audio_current_track();
wps_state.nid3 = audio_next_track();
restore = true; /* force initial full redraw */
}
wps_state_init();
while ( 1 )
{
@ -331,7 +323,8 @@ long gui_wps_show(void)
else
#endif
{
button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,HZ/5);
button = get_action(CONTEXT_WPS|ALLOW_SOFTLOCK,
restore ? HZ/100 : HZ/5);
}
/* Exit if audio has stopped playing. This happens e.g. at end of
@ -372,8 +365,6 @@ long gui_wps_show(void)
FILE_ATTR_AUDIO, CONTEXT_WPS) == ONPLAY_MAINMENU
|| !audio_status())
return GO_TO_ROOT;
/* track might have changed */
update_track = true;
restore = true;
}
break;
@ -501,7 +492,6 @@ long gui_wps_show(void)
if (global_settings.party_mode)
break;
last_left = current_tick;
update_track = true;
#ifdef AB_REPEAT_ENABLE
/* if we're in A/B repeat mode and the current position
is past the A marker, jump back to the A marker... */
@ -529,7 +519,6 @@ long gui_wps_show(void)
if (global_settings.party_mode)
break;
last_right = current_tick;
update_track = true;
#ifdef AB_REPEAT_ENABLE
/* if we're in A/B repeat mode and the current position is
before the A marker, jump to the A marker... */
@ -560,7 +549,6 @@ long gui_wps_show(void)
{
ab_set_B_marker(wps_state.id3->elapsed);
ab_jump_to_A_marker();
update_track = true;
}
else
#endif
@ -628,7 +616,7 @@ long gui_wps_show(void)
if (ab_repeat_mode_enabled())
{
ab_reset_markers();
update_track = true;
update = true;
}
break;
#endif /* AB_REPEAT_ENABLE */
@ -650,10 +638,9 @@ long gui_wps_show(void)
break;
case ACTION_REDRAW: /* yes are locked, just redraw */
restore = true;
break;
case ACTION_NONE: /* Timeout */
partial_update = true;
/* fall througgh */
case ACTION_NONE: /* Timeout, do an partial update */
update = true;
ffwd_rew(button); /* hopefully fix the ffw/rwd bug */
break;
#ifdef HAVE_RECORDING
@ -669,25 +656,18 @@ long gui_wps_show(void)
default:
if(default_event_handler(button) == SYS_USB_CONNECTED)
return GO_TO_ROOT;
update_track = true;
update = true;
break;
}
if (wps_state.do_full_update || partial_update || update_track)
if (wps_state.do_full_update || update)
{
if (update_track)
{
wps_state.do_full_update = true;
wps_state.id3 = audio_current_track();
wps_state.nid3 = audio_next_track();
}
FOR_NB_SCREENS(i)
{
gui_wps_update(&gui_wps[i]);
}
wps_state.do_full_update = false;
update_track = false;
partial_update = false;
update = false;
}
if (restore && wps_state.id3 &&
@ -770,9 +750,18 @@ static void wps_state_init(void)
{
wps_state.ff_rewind = false;
wps_state.paused = false;
wps_state.id3 = NULL;
wps_state.nid3 = NULL;
wps_state.do_full_update = true;
if(audio_status() & AUDIO_STATUS_PLAY)
{
wps_state.id3 = audio_current_track();
wps_state.nid3 = audio_next_track();
}
else
{
wps_state.id3 = NULL;
wps_state.nid3 = NULL;
}
/* We'll be updating due to restore initialized with true */
wps_state.do_full_update = false;
/* add the WPS track event callbacks */
add_event(PLAYBACK_EVENT_TRACK_CHANGE, false, track_changed_callback);
add_event(PLAYBACK_EVENT_NEXTTRACKID3_AVAILABLE, false, nextid3available_callback);