- MidiRingBuffer (size_t size)
- : _size(size)
- , _max_event_size(MidiBuffer::max_event_size())
- , _ev_buf(new MidiEvent[size])
- , _raw_buf(new RawMidi[size * _max_event_size])
- {
- reset ();
- assert(read_space() == 0);
- assert(write_space() == size - 1);
- }
-
- virtual ~MidiRingBuffer() {
- delete[] _ev_buf;
- delete[] _raw_buf;
+ /** @param size Size in bytes.
+ */
+ MidiRingBuffer(size_t size)
+ : Evoral::EventRingBuffer<T>(size)
+ , _channel_mask(0x0000FFFF)
+ {}
+
+ inline bool read_prefix(T* time, Evoral::EventType* type, uint32_t* size);
+ inline bool read_contents(uint32_t size, uint8_t* buf);
+
+ size_t read(MidiBuffer& dst, framepos_t start, framepos_t end, framecnt_t offset=0, bool stop_on_overflow_in_destination=false);
+ void dump(std::ostream& dst);
+
+ /** Set the channel filtering mode.
+ * @param mask If mode is FilterChannels, each bit represents a midi channel:
+ * bit 0 = channel 0, bit 1 = channel 1 etc. the read and write methods will only
+ * process events whose channel bit is 1.
+ * If mode is ForceChannel, mask is simply a channel number which all events will
+ * be forced to while reading.
+ */
+ void set_channel_mode(ChannelMode mode, uint16_t mask) {
+ g_atomic_int_set(&_channel_mask, (uint32_t(mode) << 16) | uint32_t(mask));