diff options
Diffstat (limited to 'libs/ardour/midi_buffer.cc')
| -rw-r--r-- | libs/ardour/midi_buffer.cc | 25 |
1 files changed, 18 insertions, 7 deletions
diff --git a/libs/ardour/midi_buffer.cc b/libs/ardour/midi_buffer.cc index e971e9ae8f..52f04eaf91 100644 --- a/libs/ardour/midi_buffer.cc +++ b/libs/ardour/midi_buffer.cc @@ -38,20 +38,31 @@ MidiBuffer::MidiBuffer(size_t capacity) , _events(NULL) , _data(NULL) { - assert(capacity > 0); + _data = 0; + resize (_capacity); + silence(_capacity); +} - _size = 0; +void +MidiBuffer::resize (size_t size) +{ + assert(size > 0); + if (_data) { + free (_data); + } + + _size = 0; + _capacity = size; #ifdef NO_POSIX_MEMALIGN - _events = (MidiEvent *) malloc(sizeof(MidiEvent) * capacity); - _data = (Byte *) malloc(sizeof(Byte) * capacity * MAX_EVENT_SIZE); + _events = (MidiEvent *) malloc(sizeof(MidiEvent) * _capacity); + _data = (Byte *) malloc(sizeof(Byte) * _capacity * MAX_EVENT_SIZE); #else - posix_memalign((void**)&_events, CPU_CACHE_ALIGN, sizeof(MidiEvent) * capacity); - posix_memalign((void**)&_data, CPU_CACHE_ALIGN, sizeof(Byte) * capacity * MAX_EVENT_SIZE); + posix_memalign((void**)&_events, CPU_CACHE_ALIGN, sizeof(MidiEvent) * _capacity); + posix_memalign((void**)&_data, CPU_CACHE_ALIGN, sizeof(Byte) * _capacity * MAX_EVENT_SIZE); #endif assert(_data); assert(_events); - silence(_capacity); } void |