105 lines
5.0 KiB
C++
105 lines
5.0 KiB
C++
#pragma once
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#ifdef FOOBAR2000_HAVE_DSP
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//! Helper class for running audio data through a DSP chain.
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class dsp_manager {
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public:
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dsp_manager() {}
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//! Alters the DSP chain configuration. Should be called before the first run() to set the configuration but can be also called anytime later between run() calls.
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void set_config( const dsp_chain_config & p_data );
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//! Runs DSP on the specified chunk list.
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//! @returns Current DSP latency in seconds.
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double run(dsp_chunk_list * p_list,const metadb_handle_ptr & p_cur_file,unsigned p_flags,abort_callback & p_abort);
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//! Flushes the DSP (e.g. when seeking).
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void flush();
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//! Equivalent to set_config() with empty configuration.
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void close();
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//! Returns whether there's at least one active DSP in the configuration.
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bool is_active() const;
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bool need_track_change_mark() const;
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private:
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struct t_dsp_chain_entry {
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service_ptr_t<dsp> m_dsp;
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dsp_preset_impl m_preset;
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bool m_recycle_flag;
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};
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typedef pfc::chain_list_v2_t<t_dsp_chain_entry> t_dsp_chain;
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t_dsp_chain m_chain;
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dsp_chain_config_impl m_config;
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bool m_config_changed = false;
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void dsp_run(t_dsp_chain::const_iterator p_iter,dsp_chunk_list * list,const metadb_handle_ptr & cur_file,unsigned flags,double & latency,abort_callback&);
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dsp_manager(const dsp_manager &) = delete;
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const dsp_manager & operator=(const dsp_manager&) = delete;
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};
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//! Core API for accessing core playback DSP settings as well as spawning DSP configuration dialogs. \n
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//! Use dsp_config_manager::get() to obtain an instance.
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class dsp_config_manager : public service_base {
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FB2K_MAKE_SERVICE_COREAPI(dsp_config_manager);
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public:
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//! Retrieves current core playback DSP settings.
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virtual void get_core_settings(dsp_chain_config & p_out) = 0;
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//! Changes current core playback DSP settings.
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virtual void set_core_settings(const dsp_chain_config & p_data) = 0;
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//! Runs a modal DSP settings dialog.
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//! @param p_data DSP chain configuration to edit - contains initial configuration to put in the dialog when called, receives the new configuration on successful edit.
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//! @returns True when user approved DSP configuration changes (pressed the "OK" button), false when the user cancelled them ("Cancel" button).
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virtual bool configure_popup(dsp_chain_config & p_data,HWND p_parent,const char * p_title) = 0;
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//! Spawns an embedded DSP settings dialog.
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//! @param p_initdata Initial DSP chain configuration to put in the dialog.
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//! @param p_parent Parent window to contain the embedded dialog.
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//! @param p_id Control ID of the embedded dialog. The parent window will receive a WM_COMMAND with BN_CLICKED and this identifier when user changes settings in the embedded dialog.
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//! @param p_from_modal Must be set to true when the parent window is a modal dialog, false otherwise.
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virtual HWND configure_embedded(const dsp_chain_config & p_initdata,HWND p_parent,unsigned p_id,bool p_from_modal) = 0;
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//! Retrieves current settings from an embedded DSP settings dialog. See also: configure_embedded().
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virtual void configure_embedded_retrieve(HWND wnd,dsp_chain_config & p_data) = 0;
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//! Changes current settings in an embedded DSP settings dialog. See also: configure_embedded().
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virtual void configure_embedded_change(HWND wnd,const dsp_chain_config & p_data) = 0;
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enum default_insert_t {
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default_insert_last,
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default_insert_first,
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};
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//! Helper - enables a DSP in core playback settings.
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void core_enable_dsp(const dsp_preset & preset, default_insert_t insertWhere = default_insert_first );
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//! Helper - disables a DSP in core playback settings.
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void core_disable_dsp(const GUID & id);
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//! Helper - if a DSP with the specified identifier is present in playback settings, retrieves its configuration and returns true, otherwise returns false.
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bool core_query_dsp(const GUID & id, dsp_preset & out);
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};
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//! \since 1.4
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//! Allows manipulation of DSP presets saved by user. \n
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//! Note that there's no multi thread safety implemented, all methods are valid from main thread only.
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class dsp_config_manager_v2 : public dsp_config_manager {
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FB2K_MAKE_SERVICE_COREAPI_EXTENSION(dsp_config_manager_v2, dsp_config_manager)
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public:
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virtual size_t get_preset_count() = 0;
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virtual void get_preset_name( size_t index, pfc::string_base & out ) = 0;
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virtual void get_preset_data( size_t index, dsp_chain_config & out ) = 0;
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virtual void select_preset( size_t which ) = 0;
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virtual size_t get_selected_preset() = 0;
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};
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//! Callback class for getting notified about core playback DSP settings getting altered. \n
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//! Register your implementations with static service_factory_single_t<myclass> g_myclass_factory;
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class NOVTABLE dsp_config_callback : public service_base {
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FB2K_MAKE_SERVICE_INTERFACE_ENTRYPOINT(dsp_config_callback);
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public:
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//! Called when core playback DSP settings change. \n
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//! Note: you must not try to alter core playback DSP settings inside this callback, or call anything else that possibly alters core playback DSP settings.
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virtual void on_core_settings_change(const dsp_chain_config & p_newdata) = 0;
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};
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#endif // FOOBAR2000_HAVE_DSP
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