Const-correct BufferSet.
git-svn-id: svn://localhost/ardour2/branches/3.0@5815 d708f5d6-7413-0410-9779-e7cbd77b26cf
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@ -85,7 +85,8 @@ public:
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size_t buffer_capacity(DataType type) const;
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size_t buffer_capacity(DataType type) const;
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Buffer& get(DataType type, size_t i);
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Buffer& get(DataType type, size_t i);
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const Buffer& get(DataType type, size_t i) const;
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AudioBuffer& get_audio(size_t i) {
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AudioBuffer& get_audio(size_t i) {
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return (AudioBuffer&)get(DataType::AUDIO, i);
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return (AudioBuffer&)get(DataType::AUDIO, i);
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@ -105,8 +106,8 @@ public:
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void flush_lv2_midi(bool input, size_t i);
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void flush_lv2_midi(bool input, size_t i);
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#endif
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#endif
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void read_from(BufferSet& in, nframes_t nframes);
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void read_from(const BufferSet& in, nframes_t nframes);
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void merge_from(BufferSet& in, nframes_t nframes);
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void merge_from(const BufferSet& in, nframes_t nframes);
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// ITERATORS
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// ITERATORS
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// FIXME: possible to combine these? templates?
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// FIXME: possible to combine these? templates?
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@ -151,30 +152,36 @@ public:
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midi_iterator midi_begin() { return midi_iterator(*this, 0); }
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midi_iterator midi_begin() { return midi_iterator(*this, 0); }
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midi_iterator midi_end() { return midi_iterator(*this, _count.n_midi()); }
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midi_iterator midi_end() { return midi_iterator(*this, _count.n_midi()); }
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class iterator {
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template <typename BS, typename B>
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class iterator_base {
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public:
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public:
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Buffer& operator*() { return _set.get(_type, _index); }
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B& operator*() { return _set.get(_type, _index); }
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Buffer* operator->() { return &_set.get(_type, _index); }
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B* operator->() { return &_set.get(_type, _index); }
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iterator& operator++() { ++_index; return *this; } // yes, prefix only
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iterator_base<BS,B>& operator++() { ++_index; return *this; } // yes, prefix only
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bool operator==(const iterator& other) { return (_index == other._index); }
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bool operator==(const iterator_base<BS,B>& other) { return (_index == other._index); }
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bool operator!=(const iterator& other) { return (_index != other._index); }
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bool operator!=(const iterator_base<BS,B>& other) { return (_index != other._index); }
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iterator operator=(const iterator& other) {
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iterator_base<BS,B> operator=(const iterator_base<BS,B>& other) {
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_set = other._set; _type = other._type; _index = other._index; return *this;
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_set = other._set; _type = other._type; _index = other._index; return *this;
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}
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}
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private:
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private:
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friend class BufferSet;
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friend class BufferSet;
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iterator(BufferSet& list, DataType type, size_t index)
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iterator_base(BS& list, DataType type, size_t index)
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: _set(list), _type(type), _index(index) {}
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: _set(list), _type(type), _index(index) {}
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BufferSet& _set;
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BS& _set;
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DataType _type;
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DataType _type;
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size_t _index;
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size_t _index;
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};
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};
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iterator begin(DataType type) { return iterator(*this, type, 0); }
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typedef iterator_base<BufferSet, Buffer> iterator;
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iterator end(DataType type) { return iterator(*this, type, _count.get(type)); }
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typedef iterator_base<const BufferSet, const Buffer> const_iterator;
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iterator begin(DataType type) { return iterator(*this, type, 0); }
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iterator end(DataType type) { return iterator(*this, type, _count.get(type)); }
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const_iterator begin(DataType type) const { return const_iterator(*this, type, 0); }
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const_iterator end(DataType type) const { return const_iterator(*this, type, _count.get(type)); }
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private:
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private:
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typedef std::vector<Buffer*> BufferVec;
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typedef std::vector<Buffer*> BufferVec;
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@ -243,6 +243,13 @@ BufferSet::get(DataType type, size_t i)
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return *_buffers[type][i];
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return *_buffers[type][i];
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}
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}
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const Buffer&
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BufferSet::get(DataType type, size_t i) const
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{
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assert(i < _available.get(type));
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return *_buffers[type][i];
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}
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#ifdef HAVE_SLV2
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#ifdef HAVE_SLV2
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LV2EventBuffer&
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LV2EventBuffer&
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@ -284,16 +291,15 @@ BufferSet::flush_lv2_midi(bool input, size_t i)
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#endif
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#endif
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// FIXME: make 'in' const
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void
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void
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BufferSet::read_from (BufferSet& in, nframes_t nframes)
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BufferSet::read_from (const BufferSet& in, nframes_t nframes)
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{
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{
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assert(available() >= in.count());
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assert(available() >= in.count());
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// Copy all buffers 1:1
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// Copy all buffers 1:1
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for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
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for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
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BufferSet::iterator o = begin(*t);
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BufferSet::iterator o = begin(*t);
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for (BufferSet::iterator i = in.begin(*t); i != in.end(*t); ++i, ++o) {
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for (BufferSet::const_iterator i = in.begin(*t); i != in.end(*t); ++i, ++o) {
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o->read_from (*i, nframes);
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o->read_from (*i, nframes);
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}
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}
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}
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}
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@ -301,9 +307,8 @@ BufferSet::read_from (BufferSet& in, nframes_t nframes)
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set_count(in.count());
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set_count(in.count());
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}
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}
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// FIXME: make 'in' const
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void
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void
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BufferSet::merge_from (BufferSet& in, nframes_t nframes)
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BufferSet::merge_from (const BufferSet& in, nframes_t nframes)
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{
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{
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/* merge all input buffers into out existing buffers.
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/* merge all input buffers into out existing buffers.
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@ -314,7 +319,7 @@ BufferSet::merge_from (BufferSet& in, nframes_t nframes)
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for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
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for (DataType::iterator t = DataType::begin(); t != DataType::end(); ++t) {
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BufferSet::iterator o = begin(*t);
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BufferSet::iterator o = begin(*t);
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for (BufferSet::iterator i = in.begin(*t); i != in.end(*t) && o != end (*t); ++i, ++o) {
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for (BufferSet::const_iterator i = in.begin(*t); i != in.end(*t) && o != end (*t); ++i, ++o) {
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o->merge_from (*i, nframes);
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o->merge_from (*i, nframes);
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}
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}
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}
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}
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