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Simplify the sendEvent function, makes it _slightly_ faster and quite a bit smaller, build midiplay with -O2 for coldfire, gives about a 23% speedup

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@14872 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2007-09-27 18:29:50 +00:00
parent 5ec5f8abac
commit 93787dd42c
3 changed files with 48 additions and 39 deletions
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77
apps/plugins/midi/sequencer.c
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@ -271,49 +271,52 @@ void releaseNote(int ch, int note)
}
}
void sendEvent(struct Event * ev)
static void sendEvent(struct Event * ev)
{
if( ((ev->status & 0xF0) == MIDI_CONTROL) && (ev->d1 == CTRL_VOLUME) )
const unsigned char status_low = ev->status & 0x0F;
const unsigned char d1 = ev->d1;
const unsigned char d2 = ev->d2;
switch(ev->status & 0xF0)
{
setVol((ev->status & 0xF), ev->d2);
return;
}
case MIDI_CONTROL:
switch(d1)
{
case CTRL_VOLUME:
{
setVol((status_low), d2);
return;
}
case CTRL_PANNING:
{
setPan((status_low), d2);
return;
}
}
break;
if( ((ev->status & 0xF0) == MIDI_CONTROL) && (ev->d1 == CTRL_PANNING))
{
setPan((ev->status & 0xF), ev->d2);
return;
}
case MIDI_PITCHW:
setPW((status_low), d2, d1);
return;
if(((ev->status & 0xF0) == MIDI_PITCHW))
{
setPW((ev->status & 0xF), ev->d2, ev->d1);
return;
}
case MIDI_NOTE_ON:
switch(d2)
{
case 0: /* Release by vol=0 */
releaseNote(status_low, d1);
return;
default:
pressNote(status_low, d1, d2);
return;
}
if(((ev->status & 0xF0) == MIDI_NOTE_ON) && (ev->d2 != 0))
{
pressNote(ev->status & 0x0F, ev->d1, ev->d2);
return;
}
case MIDI_NOTE_OFF:
releaseNote(status_low, d1);
return;
if(((ev->status & 0xF0) == MIDI_NOTE_ON) && (ev->d2 == 0)) /* Release by vol=0 */
{
releaseNote(ev->status & 0x0F, ev->d1);
return;
}
if((ev->status & 0xF0) == MIDI_NOTE_OFF)
{
releaseNote(ev->status & 0x0F, ev->d1);
return;
}
if((ev->status & 0xF0) == MIDI_PRGM)
{
if((ev->status & 0x0F) != 9)
setPatch(ev->status & 0x0F, ev->d1);
case MIDI_PRGM:
if((status_low) != 9)
setPatch(status_low, d1);
}
}