Stub implementation of LV2 persist extension.

[ardour.git] / libs / ardour / ardour / midi_ring_buffer.h

diff --git a/libs/ardour/ardour/midi_ring_buffer.h b/libs/ardour/ardour/midi_ring_buffer.h
index 7ffdcf3b8c899387c5f4ccff790aa8f670688395..2de611f4d636a0fc02d477caa9ad61cc781ae686 100644 (file)
--- a/libs/ardour/ardour/midi_ring_buffer.h
+++ b/libs/ardour/ardour/midi_ring_buffer.h
@@ -1,5 +1,5 @@
 /*
-    Copyright (C) 2006 Paul Davis 
+    Copyright (C) 2006 Paul Davis
 
     This program is free software; you can redistribute it and/or modify
     it under the terms of the GNU General Public License as published by
@@ -37,20 +37,22 @@ class MidiBuffer;
  *
  * [timestamp][type][size][size bytes of raw MIDI][timestamp][type][size](etc...)
  */
-class MidiRingBuffer : public Evoral::EventRingBuffer {
+template<typename T>
+class MidiRingBuffer : public Evoral::EventRingBuffer<T> {
 public:
        /** @param size Size in bytes.
         */
        MidiRingBuffer(size_t size)
-               : Evoral::EventRingBuffer(size)
+               : Evoral::EventRingBuffer<T>(size)
                , _channel_mask(0x0000FFFF)
        {}
 
-       inline bool read_prefix(Evoral::EventTime* time, Evoral::EventType* type, uint32_t* size);
+       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, nframes_t start, nframes_t end, nframes_t offset=0);
-       
+       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
@@ -65,11 +67,11 @@ public:
        ChannelMode get_channel_mode() const {
                return static_cast<ChannelMode>((g_atomic_int_get(&_channel_mask) & 0xFFFF0000) >> 16);
        }
-       
+
        uint16_t get_channel_mask() const {
                return g_atomic_int_get(&_channel_mask) & 0x0000FFFF;
        }
-       
+
 protected:
        inline bool is_channel_event(uint8_t event_type_byte) {
                // mask out channel information
@@ -77,7 +79,7 @@ protected:
                // midi channel events range from 0x80 to 0xE0
                return (0x80 <= event_type_byte) && (event_type_byte <= 0xE0);
        }
-       
+
 private:
        volatile uint32_t _channel_mask; // 16 bits mode, 16 bits mask
 };
@@ -86,14 +88,15 @@ private:
 /** Read the time and size of an event.  This call MUST be immediately proceeded
  * by a call to read_contents (or the read pointer will be garbage).
  */
+template<typename T>
 inline bool
-MidiRingBuffer::read_prefix(Evoral::EventTime* time, Evoral::EventType* type, uint32_t* size)
+MidiRingBuffer<T>::read_prefix(T* time, Evoral::EventType* type, uint32_t* size)
 {
-       bool success = Evoral::EventRingBuffer::full_read(sizeof(Evoral::EventTime), (uint8_t*)time);
+       bool success = Evoral::EventRingBuffer<T>::full_read(sizeof(T), (uint8_t*)time);
        if (success)
-               success = Evoral::EventRingBuffer::full_read(sizeof(Evoral::EventType), (uint8_t*)type);
+               success = Evoral::EventRingBuffer<T>::full_read(sizeof(Evoral::EventType), (uint8_t*)type);
        if (success)
-               success = Evoral::EventRingBuffer::full_read(sizeof(uint32_t), (uint8_t*)size);
+               success = Evoral::EventRingBuffer<T>::full_read(sizeof(uint32_t), (uint8_t*)size);
 
        return success;
 }
@@ -102,10 +105,11 @@ MidiRingBuffer::read_prefix(Evoral::EventTime* time, Evoral::EventType* type, ui
 /** Read the content of an event.  This call MUST be immediately preceded
  * by a call to read_prefix (or the returned even will be garbage).
  */
+template<typename T>
 inline bool
-MidiRingBuffer::read_contents(uint32_t size, uint8_t* buf)
+MidiRingBuffer<T>::read_contents(uint32_t size, uint8_t* buf)
 {
-       return Evoral::EventRingBuffer::full_read(size, buf);
+       return Evoral::EventRingBuffer<T>::full_read(size, buf);
 }