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CoreMIDI: use dedicated packet buffer on stack

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Robin Gareus 2023-06-13 16:50:53 +02:00
parent 05c29e25f9
commit 7aad0bbe15
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GPG key ID: A090BCE02CF57F04
1 changed files with 7 additions and 3 deletions
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10
libs/backends/coreaudio/coremidi_io.cc
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@ -252,14 +252,18 @@ CoreMidiIo::recv_event (uint32_t port, double cycle_time_us, uint64_t &time, uin
const size_t minsize = 1 + sizeof(uint32_t) + sizeof(MIDITimeStamp) + sizeof(UInt16); const size_t minsize = 1 + sizeof(uint32_t) + sizeof(MIDITimeStamp) + sizeof(UInt16);
while (_rb[port]->read_space() > minsize) { while (_rb[port]->read_space() > minsize) {
MIDIPacket packet; int32_t packet[1024];
size_t rv; size_t rv;
uint32_t s = 0; uint32_t s = 0;
rv = _rb[port]->read((uint8_t*)&s, sizeof(uint32_t)); rv = _rb[port]->read((uint8_t*)&s, sizeof(uint32_t));
assert(rv == sizeof(uint32_t)); assert(rv == sizeof(uint32_t));
rv = _rb[port]->read((uint8_t*)&packet, s); if (s > 1024) {
_rb[port]->increment_read_idx (s);
continue;
}
rv = _rb[port]->read((uint8_t*)packet, s);
assert(rv == s); assert(rv == s);
_input_queue[port].push_back(std::shared_ptr<CoreMIDIPacket>(new _CoreMIDIPacket (&packet))); _input_queue[port].push_back(std::shared_ptr<CoreMIDIPacket>(new _CoreMIDIPacket ((MIDIPacket*)&packet)));
} }
UInt64 start = _time_at_cycle_start; UInt64 start = _time_at_cycle_start;