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Codechange: Use common source for well-known SysEx messages in Windows music drivers

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This commit is contained in:
Niels Martin Hansen
2019-07-04 21:14:41 +02:00
parent 9d8a83bf8d
commit 27384486e4
4 changed files with 58 additions and 12 deletions
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31
src/music/midifile.cpp
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@@ -26,6 +26,37 @@
static MidiFile *_midifile_instance = nullptr;
/**
* Retrieve a well-known MIDI system exclusive message.
* @param msg Which sysex message to retrieve
* @param[out] length Receives the length of the returned buffer
* @return Pointer to byte buffer with sysex message
*/
const byte *MidiGetStandardSysexMessage(MidiSysexMessage msg, size_t &length)
{
static byte reset_gm_sysex[] = { 0xF0, 0x7E, 0x00, 0x09, 0x01, 0xF7 };
static byte reset_gs_sysex[] = { 0xF0, 0x41, 0x10, 0x42, 0x12, 0x40, 0x00, 0x7F, 0x00, 0x41, 0xF7 };
static byte reset_xg_sysex[] = { 0xF0, 0x43, 0x10, 0x4C, 0x00, 0x00, 0x7E, 0x00, 0xF7 };
static byte roland_reverb_sysex[] = { 0xF0, 0x41, 0x10, 0x42, 0x12, 0x40, 0x01, 0x30, 0x02, 0x04, 0x00, 0x40, 0x40, 0x00, 0x00, 0x09, 0xF7 };
switch (msg) {
case MidiSysexMessage::ResetGM:
length = lengthof(reset_gm_sysex);
return reset_gm_sysex;
case MidiSysexMessage::ResetGS:
length = lengthof(reset_gs_sysex);
return reset_gs_sysex;
case MidiSysexMessage::ResetXG:
length = lengthof(reset_xg_sysex);
return reset_xg_sysex;
case MidiSysexMessage::RolandSetReverb:
length = lengthof(roland_reverb_sysex);
return roland_reverb_sysex;
default:
NOT_REACHED();
}
}
/**
* Owning byte buffer readable as a stream.
* RAII-compliant to make teardown in error situations easier.