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1 #pragma once
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2 //! Structure storing ReplayGain configuration: album/track source data modes, gain/peak processing modes and preamp values.
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3 struct t_replaygain_config
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4 {
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5 enum /*t_source_mode*/ {
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6 source_mode_none,
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7 source_mode_track,
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8 source_mode_album,
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9 // New in 1.3.8
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10 // SPECIAL MODE valid only for playback settings; if set, track gain will be used for random & shuffle-tracks modes, album for shuffle albums & ordered playback.
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11 source_mode_byPlaybackOrder
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12 };
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13 enum /*t_processing_mode*/ {processing_mode_none,processing_mode_gain,processing_mode_gain_and_peak,processing_mode_peak};
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14 typedef t_uint32 t_source_mode; typedef t_uint32 t_processing_mode;
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15
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16 t_replaygain_config() {reset();}
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17 t_replaygain_config(t_source_mode p_source_mode,t_processing_mode p_processing_mode,float p_preamp_without_rg, float p_preamp_with_rg)
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18 : m_source_mode(p_source_mode), m_processing_mode(p_processing_mode), m_preamp_without_rg(p_preamp_without_rg), m_preamp_with_rg(p_preamp_with_rg) {}
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19
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20
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21 t_source_mode m_source_mode;
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22 t_processing_mode m_processing_mode;
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23 float m_preamp_without_rg, m_preamp_with_rg;//preamp values in dB
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24
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25 void reset();
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26 audio_sample query_scale(const file_info & info) const;
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27 audio_sample query_scale(const metadb_handle_ptr & info) const;
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28 audio_sample query_scale(const replaygain_info & info) const;
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29
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30 static void print_preamp(double val, pfc::string_base & out);
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31
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32 void format_name(pfc::string_base & p_out) const;
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33 bool is_active() const;
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34
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35 static bool equals(const t_replaygain_config & v1, const t_replaygain_config & v2) {
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36 return v1.m_source_mode == v2.m_source_mode && v1.m_processing_mode == v2.m_processing_mode && v1.m_preamp_without_rg == v2.m_preamp_without_rg && v1.m_preamp_with_rg == v2.m_preamp_with_rg;
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37 }
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38 bool operator==(const t_replaygain_config & other) const {return equals(*this, other);}
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39 bool operator!=(const t_replaygain_config & other) const {return !equals(*this, other);}
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40 };
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41
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42 FB2K_STREAM_READER_OVERLOAD(t_replaygain_config) {
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43 return stream >> value.m_source_mode >> value.m_processing_mode >> value.m_preamp_with_rg >> value.m_preamp_without_rg;
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44 }
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45 FB2K_STREAM_WRITER_OVERLOAD(t_replaygain_config) {
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46 return stream << value.m_source_mode << value.m_processing_mode << value.m_preamp_with_rg << value.m_preamp_without_rg;
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47 }
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48
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49 //! Core service providing methods to retrieve/alter playback ReplayGain settings, as well as use ReplayGain configuration dialog.
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50 class NOVTABLE replaygain_manager : public service_base {
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51 public:
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52 //! Retrieves playback ReplayGain settings.
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53 virtual void get_core_settings(t_replaygain_config & p_out) = 0;
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54 t_replaygain_config get_core_settings();
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55
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56 //! Creates embedded version of ReplayGain settings dialog. Note that embedded dialog sends WM_COMMAND with id/BN_CLICKED to parent window when user makes changes to settings.
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57 virtual fb2k::hwnd_t configure_embedded(const t_replaygain_config & p_initdata,fb2k::hwnd_t p_parent,unsigned p_id,bool p_from_modal) = 0;
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58 //! Retrieves settings from embedded version of ReplayGain settings dialog.
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59 virtual void configure_embedded_retrieve(fb2k::hwnd_t wnd,t_replaygain_config & p_data) = 0;
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60
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61 //! Shows popup/modal version of ReplayGain settings dialog. Returns true when user changed the settings, false when user cancelled the operation. Title parameter can be null to use default one.
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62 virtual bool configure_popup(t_replaygain_config & p_data,fb2k::hwnd_t p_parent,const char * p_title) = 0;
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63
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64 //! Alters playback ReplayGain settings.
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65 virtual void set_core_settings(const t_replaygain_config & p_config) = 0;
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66
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67 //! New in 1.0
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68 virtual void configure_embedded_set(fb2k::hwnd_t wnd, t_replaygain_config const & p_data) = 0;
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69 //! New in 1.0
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70 virtual void get_core_defaults(t_replaygain_config & out) = 0;
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71
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72 //! Helper; queries scale value for specified item according to core playback settings.
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73 audio_sample core_settings_query_scale(const file_info & p_info);
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74 //! Helper; queries scale value for specified item according to core playback settings.
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75 audio_sample core_settings_query_scale(const metadb_handle_ptr & info);
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76
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77 FB2K_MAKE_SERVICE_COREAPI(replaygain_manager);
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78 };
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79
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80 //! \since 1.4
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81 class NOVTABLE replaygain_core_settings_notify {
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82 public:
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83 virtual void on_changed( t_replaygain_config const & cfg ) = 0;
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84 };
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85
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86 //! \since 1.4
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87 //! Adds new method for getting notified about core RG settings changing
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88 class NOVTABLE replaygain_manager_v2 : public replaygain_manager {
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89 FB2K_MAKE_SERVICE_COREAPI_EXTENSION( replaygain_manager_v2, replaygain_manager );
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90 public:
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91 virtual void add_notify(replaygain_core_settings_notify *) = 0;
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92 virtual void remove_notify(replaygain_core_settings_notify *) = 0;
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93 };
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