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fix incorrect test for valid MIDI events.

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Only channel messages have the form <statusbyte>{<nonstatusbyte>..}
This commit is contained in:
Paul Davis 2014-12-31 10:32:50 -05:00
parent 03833e4376
commit 07c08e4673
1 changed files with 8 additions and 3 deletions
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11
libs/evoral/evoral/midi_util.h
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@ -120,9 +120,14 @@ midi_event_is_valid(const uint8_t* buffer, size_t len)
if (size < 0 || (size_t)size != len) {
return false;
}
for (size_t i = 1; i < len; ++i) {
if ((buffer[i] & 0x80) != 0) {
return false; // Non-status byte has MSb set
if (status < 0xf0) {
/* Channel messages: all start with status byte followed by
* non status bytes.
*/
for (size_t i = 1; i < len; ++i) {
if ((buffer[i] & 0x80) != 0) {
return false; // Non-status byte has MSb set
}
}
}
return true;