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authorChris Robinson <[email protected]>2014-07-04 11:18:32 -0700
committerChris Robinson <[email protected]>2014-07-04 22:08:24 -0700
commit5afc29f65dde15059e2511adbba466c15cc2e3b1 (patch)
treec8297a8f1b91e909d687deaf56e9b2df310fbd33 /OpenAL32/Include/alMidi.h
parentf667782df2307ff480ccf85c3fa09dc5f6ceabdb (diff)
Use a helper function to check valid MIDI controller inputs
Diffstat (limited to 'OpenAL32/Include/alMidi.h')
-rw-r--r--OpenAL32/Include/alMidi.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/OpenAL32/Include/alMidi.h b/OpenAL32/Include/alMidi.h
index 76567db0..948fc319 100644
--- a/OpenAL32/Include/alMidi.h
+++ b/OpenAL32/Include/alMidi.h
@@ -157,6 +157,20 @@ inline struct ALsoundfont *RemoveSfont(ALCdevice *device, ALuint id)
void ReleaseALSoundfonts(ALCdevice *device);
+
+inline ALboolean IsValidCtrlInput(int cc)
+{
+ /* These correspond to MIDI functions, not real controller values. */
+ if(cc == 0 || cc == 6 || cc == 32 || cc == 38 || (cc >= 98 && cc <= 101) || cc >= 120)
+ return AL_FALSE;
+ /* These are the LSB components of CC0...CC31, which are automatically used when
+ * reading the MSB controller value. */
+ if(cc >= 32 && cc <= 63)
+ return AL_FALSE;
+ /* All the rest are okay! */
+ return AL_TRUE;
+}
+
#ifdef __cplusplus
}
#endif