Change the feedback alert to a flashing button; works

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

diff --git a/libs/ardour/ardour/chan_count.h b/libs/ardour/ardour/chan_count.h
index fb4b1999cad1c0d4e5ae64fdb1c0b4afdcf1aa04..c4f3caef6b3fbeb256ebc79dd3211bbda28b4617 100644 (file)
--- a/libs/ardour/ardour/chan_count.h
+++ b/libs/ardour/ardour/chan_count.h
@@ -1,6 +1,6 @@
 /*
-    Copyright (C) 2006 Paul Davis 
-       Author: Dave Robillard
+    Copyright (C) 2006 Paul Davis
+    Author: David Robillard
 
     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
@@ -23,6 +23,7 @@
 #include <cassert>
 #include <ostream>
 
+#include "pbd/xml++.h"
 #include "ardour/data_type.h"
 
 namespace ARDOUR {
@@ -35,8 +36,9 @@ namespace ARDOUR {
  */
 class ChanCount {
 public:
+       ChanCount(const XMLNode& node);
        ChanCount() { reset(); }
-       
+
        // Convenience constructor for making single-typed streams (stereo, mono, etc)
        ChanCount(DataType type, uint32_t channels) {
                reset();
@@ -48,16 +50,18 @@ public:
                        _counts[*t] = 0;
                }
        }
-       
+
        void     set(DataType t, uint32_t count) { assert(t != DataType::NIL); _counts[t] = count; }
        uint32_t get(DataType t) const { assert(t != DataType::NIL); return _counts[t]; }
-       
+
+       inline uint32_t n (DataType t) const { return _counts[t]; }
+
        inline uint32_t n_audio() const { return _counts[DataType::AUDIO]; }
        inline void set_audio(uint32_t a) { _counts[DataType::AUDIO] = a; }
-       
+
        inline uint32_t n_midi()  const { return _counts[DataType::MIDI]; }
        inline void set_midi(uint32_t m) { _counts[DataType::MIDI] = m; }
-       
+
        uint32_t n_total() const {
                uint32_t ret = 0;
                for (uint32_t i=0; i < DataType::num_types; ++i)
@@ -73,7 +77,7 @@ public:
 
                return true;
        }
-       
+
        bool operator!=(const ChanCount& other) const {
                return ! (*this == other);
        }
@@ -90,7 +94,7 @@ public:
        bool operator<=(const ChanCount& other) const {
                return ( (*this < other) || (*this == other) );
        }
-       
+
        bool operator>(const ChanCount& other) const {
                for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
                        if (_counts[*t] < other._counts[*t]) {
@@ -103,7 +107,30 @@ public:
        bool operator>=(const ChanCount& other) const {
                return ( (*this > other) || (*this == other) );
        }
-       
+
+       ChanCount operator+(const ChanCount& other) const {
+               ChanCount ret;
+               for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+                       ret.set(*t, get(*t) + other.get(*t));
+               }
+               return ret;
+       }
+
+       ChanCount& operator+=(const ChanCount& other) {
+               for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+                       _counts[*t] += other._counts[*t];
+               }
+               return *this;
+       }
+
+       static ChanCount min(const ChanCount& a, const ChanCount& b) {
+               ChanCount ret;
+               for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
+                       ret.set(*t, std::min(a.get(*t), b.get(*t)));
+               }
+               return ret;
+       }
+
        static ChanCount max(const ChanCount& a, const ChanCount& b) {
                ChanCount ret;
                for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
@@ -112,6 +139,8 @@ public:
                return ret;
        }
 
+       XMLNode* state(const std::string& name) const;
+
        static const ChanCount INFINITE;
        static const ChanCount ZERO;