eeva/jamulus
1
0
Fork 0
Code Issues Pull requests Releases Wiki Activity

first MIDI controller implementation: TD-20 Hi-Hat control can set fader level of first audio channel

Browse source
This commit is contained in:
Volker Fischer 2019-01-12 15:29:45 +00:00
parent dd473c1146
commit 9434a208ce
1 changed files with 33 additions and 13 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

42
src/soundbase.cpp
View file

@ -99,23 +99,43 @@ void CSoundBase::run()
void CSoundBase::ParseMIDIMessage ( const CVector<uint8_t>& vMIDIPaketBytes )
{
if ( vMIDIPaketBytes.Size() > 0 )
{
const uint8_t iStatusByte = vMIDIPaketBytes[0];
// check if status byte is correct
if ( ( iStatusByte >= 0x80 ) && ( iStatusByte < 0xF0 ) )
{
const int iMIDIChannel = iStatusByte & 0x0F;
// TODO check for correct channel number
// debugging
printf ( "%02X: ", iMIDIChannel );
for ( int i = 0; i < vMIDIPaketBytes.Size(); i++ )
{
// TEST debugging
printf ( "%02X ", vMIDIPaketBytes[i] );
}
printf ( "\n" );
// we only want to parse controller messages
if ( ( iStatusByte >= 0xB0 ) && ( iStatusByte < 0xC0 ) )
{
// make sure paket is long enough
if ( vMIDIPaketBytes.Size() > 2 )
{
// TEST TD-20 Hi-Hat control for fader 0 level
if ( vMIDIPaketBytes[1] == 4 )
{
const int iFaderLevel = static_cast<int> ( static_cast<double> ( vMIDIPaketBytes[2] ) / 256 * AUD_MIX_FADER_MAX );
EmitControllerInFaderLevel ( 0, AUD_MIX_FADER_MAX - iFaderLevel ); // invert fader
}
// TEST
static int cnt = 0;
cnt++;
if ( cnt >= 10 * AUD_MIX_FADER_MAX ) cnt = 0;
// TODO
int iChannelIdx = 0;
int iFaderLevel = cnt / 10;
EmitControllerInFaderLevel ( iChannelIdx, iFaderLevel );
}
}
}
}
}