diff options
Diffstat (limited to 'src/PortID.hpp')
| -rw-r--r-- | src/PortID.hpp | 153 |
1 files changed, 72 insertions, 81 deletions
diff --git a/src/PortID.hpp b/src/PortID.hpp index 2d41f92..2a53881 100644 --- a/src/PortID.hpp +++ b/src/PortID.hpp @@ -17,126 +17,117 @@ #ifndef PATCHAGE_PORTID_HPP #define PATCHAGE_PORTID_HPP -#include "patchage_config.h" - -#include "PatchagePort.hpp" - -#ifdef PATCHAGE_LIBJACK -# include <jack/jack.h> -#endif -#ifdef HAVE_ALSA -# include <alsa/asoundlib.h> -#endif - -#include <cstring> +#include <cassert> #include <iostream> +#include <string> +#include <tuple> +/// An ID for some port on a client (program) struct PortID { enum class Type { nothing, - jack_id, - alsa_addr, + jack, + alsa, }; - PortID() = default; + PortID(const PortID& copy) = default; + PortID& operator=(const PortID& copy) = default; -#if defined(PATCHAGE_LIBJACK) || defined(HAVE_JACK_DBUS) - explicit PortID(uint32_t jack_id, bool = false) - : type(Type::jack_id) + PortID(PortID&& id) = default; + PortID& operator=(PortID&& id) = default; + + ~PortID() = default; + + /// Return a null ID that refers to nothing + static PortID nothing() { return PortID{}; } + + /// Return an ID for a JACK port by full name (like "client:port") + static PortID jack(std::string name) { - id.jack_id = jack_id; + return PortID{Type::jack, std::move(name)}; } -#endif -#ifdef HAVE_ALSA - PortID(snd_seq_addr_t addr, bool in) - : type(Type::alsa_addr) + /// Return an ID for an ALSA Sequencer port by ID + static PortID + alsa(const uint8_t client_id, const uint8_t port, const bool is_input) { - id.alsa_addr = addr; - id.is_input = in; + return PortID{Type::alsa, client_id, port, is_input}; } -#endif - PortID(const PortID& copy) = default; - PortID& operator=(const PortID& copy) = default; - - PortID(PortID&& id) = default; - PortID& operator=(PortID&& id) = default; + Type type() const { return _type; } + const std::string& jack_name() const { return _jack_name; } + uint8_t alsa_client() const { return _alsa_client; } + uint8_t alsa_port() const { return _alsa_port; } + bool alsa_is_input() const { return _alsa_is_input; } - ~PortID() = default; +private: + PortID() = default; - Type type = Type::nothing; + PortID(const Type type, std::string jack_name) + : _type{type} + , _jack_name{std::move(jack_name)} + { + assert(_type == Type::jack); + } - union + PortID(const Type type, + const uint8_t alsa_client, + const uint8_t alsa_port, + const bool is_input) + : _type{type} + , _alsa_client{alsa_client} + , _alsa_port{alsa_port} + , _alsa_is_input{is_input} { -#if defined(PATCHAGE_LIBJACK) || defined(HAVE_JACK_DBUS) - uint32_t jack_id; -#endif -#ifdef HAVE_ALSA - struct - { - snd_seq_addr_t alsa_addr; - bool is_input : 1; - }; -#endif - } id = {}; + assert(_type == Type::alsa); + } + + Type _type{Type::nothing}; ///< Determines which field is active + std::string _jack_name{}; ///< Full port name for Type::jack + uint8_t _alsa_client{}; ///< Client ID for Type::alsa + uint8_t _alsa_port{}; ///< Port ID for Type::alsa + bool _alsa_is_input{}; ///< Input flag for Type::alsa }; static inline std::ostream& operator<<(std::ostream& os, const PortID& id) { - switch (id.type) { + switch (id.type()) { case PortID::Type::nothing: return os << "(null)"; - case PortID::Type::jack_id: -#ifdef PATCHAGE_LIBJACK - return os << "jack:" << id.id.jack_id; -#endif - break; - case PortID::Type::alsa_addr: -#ifdef HAVE_ALSA - return os << "alsa:" << int(id.id.alsa_addr.client) << ":" - << int(id.id.alsa_addr.port) << ":" - << (id.id.is_input ? "in" : "out"); -#endif - break; + case PortID::Type::jack: + return os << "jack:" << id.jack_name(); + case PortID::Type::alsa: + return os << "alsa:" << int(id.alsa_client()) << ":" + << int(id.alsa_port()) << ":" + << (id.alsa_is_input() ? "in" : "out"); } + assert(false); return os; } static inline bool -operator<(const PortID& a, const PortID& b) +operator<(const PortID& lhs, const PortID& rhs) { - if (a.type != b.type) { - return a.type < b.type; + if (lhs.type() != rhs.type()) { + return lhs.type() < rhs.type(); } - switch (a.type) { + switch (lhs.type()) { case PortID::Type::nothing: return true; - case PortID::Type::jack_id: -#if defined(PATCHAGE_LIBJACK) || defined(HAVE_JACK_DBUS) - return a.id.jack_id < b.id.jack_id; -#endif - break; - case PortID::Type::alsa_addr: -#ifdef HAVE_ALSA - if ((a.id.alsa_addr.client < b.id.alsa_addr.client) || - ((a.id.alsa_addr.client == b.id.alsa_addr.client) && - a.id.alsa_addr.port < b.id.alsa_addr.port)) { - return true; - } else if (a.id.alsa_addr.client == b.id.alsa_addr.client && - a.id.alsa_addr.port == b.id.alsa_addr.port) { - return (a.id.is_input < b.id.is_input); - } else { - return false; - } -#endif - break; + case PortID::Type::jack: + return lhs.jack_name() < rhs.jack_name(); + case PortID::Type::alsa: + return std::make_tuple( + lhs.alsa_client(), lhs.alsa_port(), lhs.alsa_is_input()) < + std::make_tuple( + rhs.alsa_client(), rhs.alsa_port(), rhs.alsa_is_input()); } + assert(false); return false; } |