X-Git-Url: https://main.carlh.net/gitweb/?a=blobdiff_plain;f=libs%2Fardour%2Fardour%2Fbuffer_set.h;h=5b0234de46724865ea25e624557e101101c34c67;hb=cd2047cbffc5e0270acab555364bb9d958fe7927;hp=1350a3c5abc87a2c3207972cdef4aa0825bdc5d0;hpb=88beef2e93d26d28467fe151f5ef2972d0ca9169;p=ardour.git diff --git a/libs/ardour/ardour/buffer_set.h b/libs/ardour/ardour/buffer_set.h index 1350a3c5ab..5b0234de46 100644 --- a/libs/ardour/ardour/buffer_set.h +++ b/libs/ardour/ardour/buffer_set.h @@ -1,16 +1,16 @@ /* - 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 the Free Software Foundation; either version 2 of the License, or (at your option) any later version. - + This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - + You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. @@ -29,13 +29,19 @@ #include "ardour/data_type.h" #include "ardour/types.h" +#if defined VST_SUPPORT || defined LXVST_SUPPORT +#include "evoral/MIDIEvent.hpp" +struct VstEvents; +struct VstMidiEvent; +#endif + namespace ARDOUR { class Buffer; class AudioBuffer; class MidiBuffer; class PortSet; -#ifdef HAVE_SLV2 +#ifdef LV2_SUPPORT class LV2EventBuffer; #endif @@ -59,8 +65,14 @@ public: ~BufferSet(); void clear(); - - void attach_buffers(PortSet& ports, nframes_t nframes, nframes_t offset = 0); + + void attach_buffers (PortSet& ports); + void get_jack_port_addresses (PortSet &, framecnt_t); + + /* the capacity here is a size_t and has a different interpretation depending + on the DataType of the buffers. for audio, its a frame count. for MIDI + its a byte count. + */ void ensure_buffers(DataType type, size_t num_buffers, size_t buffer_capacity); void ensure_buffers(const ChanCount& chns, size_t buffer_capacity); @@ -71,25 +83,32 @@ public: const ChanCount& count() const { return _count; } ChanCount& count() { return _count; } - void is_silent(bool yn) { _is_silent = yn; } - bool is_silent() const { return _is_silent; } - void silence (nframes_t nframes, nframes_t offset); + void is_silent(bool yn); + void silence (framecnt_t nframes, framecnt_t offset); + bool is_mirror() const { return _is_mirror; } void set_count(const ChanCount& count) { assert(count <= _available); _count = count; } - + size_t buffer_capacity(DataType type) const; - Buffer& get(DataType type, size_t i); + Buffer& get(DataType type, size_t i); + const Buffer& get(DataType type, size_t i) const; AudioBuffer& get_audio(size_t i) { return (AudioBuffer&)get(DataType::AUDIO, i); } - + const AudioBuffer& get_audio(size_t i) const { + return (const AudioBuffer&)get(DataType::AUDIO, i); + } + MidiBuffer& get_midi(size_t i) { return (MidiBuffer&)get(DataType::MIDI, i); } + const MidiBuffer& get_midi(size_t i) const { + return (const MidiBuffer&)get(DataType::MIDI, i); + } -#ifdef HAVE_SLV2 +#ifdef LV2_SUPPORT /** Get a MIDI buffer translated into an LV2 MIDI buffer for use with plugins. * The index here corresponds directly to MIDI buffer numbers (i.e. the index * passed to get_midi), translation back and forth will happen as needed */ @@ -99,81 +118,98 @@ public: void flush_lv2_midi(bool input, size_t i); #endif - void read_from(BufferSet& in, nframes_t nframes); - void merge_from(BufferSet& in, nframes_t nframes); - - // ITERATORS - // FIXME: possible to combine these? templates? - - class audio_iterator { - public: - AudioBuffer& operator*() { return _set.get_audio(_index); } - AudioBuffer* operator->() { return &_set.get_audio(_index); } - audio_iterator& operator++() { ++_index; return *this; } // yes, prefix only - bool operator==(const audio_iterator& other) { return (_index == other._index); } - bool operator!=(const audio_iterator& other) { return (_index != other._index); } - - private: - friend class BufferSet; - - audio_iterator(BufferSet& list, size_t index) : _set(list), _index(index) {} - - BufferSet& _set; - size_t _index; - }; - - audio_iterator audio_begin() { return audio_iterator(*this, 0); } - audio_iterator audio_end() { return audio_iterator(*this, _count.n_audio()); } +#if defined VST_SUPPORT || defined LXVST_SUPPORT + VstEvents* get_vst_midi (size_t); +#endif + void read_from(const BufferSet& in, framecnt_t nframes); + void read_from(const BufferSet& in, framecnt_t nframes, DataType); + void merge_from(const BufferSet& in, framecnt_t nframes); - class iterator { + template + class iterator_base { public: - Buffer& operator*() { return _set.get(_type, _index); } - Buffer* operator->() { return &_set.get(_type, _index); } - iterator& operator++() { ++_index; return *this; } // yes, prefix only - bool operator==(const iterator& other) { return (_index == other._index); } - bool operator!=(const iterator& other) { return (_index != other._index); } - iterator operator=(const iterator& other) { + B& operator*() { return (B&)_set.get(_type, _index); } + B* operator->() { return &(B&)_set.get(_type, _index); } + iterator_base& operator++() { ++_index; return *this; } // yes, prefix only + bool operator==(const iterator_base& other) { return (_index == other._index); } + bool operator!=(const iterator_base& other) { return (_index != other._index); } + iterator_base operator=(const iterator_base& other) { _set = other._set; _type = other._type; _index = other._index; return *this; } private: friend class BufferSet; - iterator(BufferSet& list, DataType type, size_t index) + iterator_base(BS& list, DataType type, size_t index) : _set(list), _type(type), _index(index) {} - BufferSet& _set; - DataType _type; - size_t _index; + BS& _set; + DataType _type; + size_t _index; }; + typedef iterator_base iterator; iterator begin(DataType type) { return iterator(*this, type, 0); } iterator end(DataType type) { return iterator(*this, type, _count.get(type)); } - + + typedef iterator_base const_iterator; + const_iterator begin(DataType type) const { return const_iterator(*this, type, 0); } + const_iterator end(DataType type) const { return const_iterator(*this, type, _count.get(type)); } + + typedef iterator_base audio_iterator; + audio_iterator audio_begin() { return audio_iterator(*this, DataType::AUDIO, 0); } + audio_iterator audio_end() { return audio_iterator(*this, DataType::AUDIO, _count.n_audio()); } + + typedef iterator_base midi_iterator; + midi_iterator midi_begin() { return midi_iterator(*this, DataType::MIDI, 0); } + midi_iterator midi_end() { return midi_iterator(*this, DataType::MIDI, _count.n_midi()); } + private: typedef std::vector BufferVec; /// Vector of vectors, indexed by DataType std::vector _buffers; - -#ifdef HAVE_SLV2 + +#ifdef LV2_SUPPORT /// LV2 MIDI buffers (for conversion to/from MIDI buffers) typedef std::vector< std::pair > LV2Buffers; LV2Buffers _lv2_buffers; #endif +#if defined VST_SUPPORT || defined LXVST_SUPPORT + class VSTBuffer { + public: + VSTBuffer (size_t); + ~VSTBuffer (); + + void clear (); + void push_back (Evoral::MIDIEvent const &); + VstEvents* events () const { + return _events; + } + + private: + /* prevent copy construction */ + VSTBuffer (VSTBuffer const &); + + VstEvents* _events; /// the parent VSTEvents struct + VstMidiEvent* _midi_events; ///< storage area for VSTMidiEvents + size_t _capacity; + }; + + typedef std::vector VSTBuffers; + VSTBuffers _vst_buffers; +#endif + /// Use counts (there may be more actual buffers than this) ChanCount _count; /// Available counts (number of buffers actually allocated) ChanCount _available; - /// Whether we (don't) 'own' the contained buffers (otherwise we mirror a PortSet) + /// False if we 'own' the contained buffers, if true we mirror a PortSet) bool _is_mirror; - - /// Whether the buffer set should be considered silent - bool _is_silent; };