145 lines
6.1 KiB
C
145 lines
6.1 KiB
C
#ifndef E_MOD_MIXER_H
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#define E_MOD_MIXER_H
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#include "e.h"
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typedef void E_Mixer_App;
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typedef void E_Mixer_System;
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typedef void E_Mixer_Channel;
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typedef struct _E_Mixer_Channel_State
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{
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int mute;
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int left;
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int right;
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} E_Mixer_Channel_State;
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#define E_MIXER_CHANNEL_CAN_MUTE 0x01
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#define E_MIXER_CHANNEL_IS_MONO 0x02
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#define E_MIXER_CHANNEL_HAS_CAPTURE 0x04
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#define E_MIXER_CHANNEL_HAS_PLAYBACK 0x08
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#define E_MIXER_CHANNEL_GROUP_MASK 0xFC
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#define E_MIXER_CHANNEL_USABLE_MASK 0xFD
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#define e_mod_mixer_channel_is_mutable(_ch) \
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( ((_ch)->capabilities & E_MIXER_CHANNEL_CAN_MUTE )!=0 )
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#define e_mod_mixer_channel_is_mono(_ch) \
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( ((_ch)->capabilities & E_MIXER_CHANNEL_IS_MONO )!=0 )
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#define e_mod_mixer_channel_has_capture(_ch) \
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( ((_ch)->capabilities & E_MIXER_CHANNEL_HAS_CAPTURE )!=0 )
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#define e_mod_mixer_channel_has_playback(_ch) \
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( ((_ch)->capabilities & E_MIXER_CHANNEL_HAS_PLAYBACK )!=0 )
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#define e_mod_mixer_channel_is_boost(_ch) \
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( ((_ch)->capabilities & E_MIXER_CHANNEL_HAS_PLAYBACK )!=0 && \
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((_ch)->capabilities & E_MIXER_CHANNEL_HAS_CAPTURE )!=0 )
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#define e_mod_mixer_channel_has_no_volume(_ch) \
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( ((_ch)->capabilities & E_MIXER_CHANNEL_HAS_PLAYBACK )==0 && \
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((_ch)->capabilities & E_MIXER_CHANNEL_HAS_CAPTURE )==0 )
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#define e_mod_mixer_channel_group_get(_ch) \
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( (_ch)->capabilities & E_MIXER_CHANNEL_GROUP_MASK )
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#define e_mod_mixer_capabilities_usable(_capa) \
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( ((_capa) & E_MIXER_CHANNEL_USABLE_MASK)!=0 )
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typedef struct _E_Mixer_Channel_Info
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{
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int capabilities;
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const char *name;
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E_Mixer_Channel *id;
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E_Mixer_App *app;
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} E_Mixer_Channel_Info;
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typedef int (*E_Mixer_Volume_Set_Cb)(const E_Mixer_System *, const E_Mixer_Channel_Info *, int, int);
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typedef int (*E_Mixer_Volume_Get_Cb)(const E_Mixer_System *, const E_Mixer_Channel_Info *, int *, int *);
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typedef int (*E_Mixer_Mute_Get_Cb)(const E_Mixer_System *, const E_Mixer_Channel_Info *, int *);
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typedef int (*E_Mixer_Mute_Set_Cb)(const E_Mixer_System *, const E_Mixer_Channel_Info *, int);
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typedef int (*E_Mixer_State_Get_Cb)(const E_Mixer_System *, const E_Mixer_Channel_Info *, E_Mixer_Channel_State *);
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typedef int (*E_Mixer_Capture_Cb)(const E_Mixer_System *, const E_Mixer_Channel_Info *);
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typedef void *(*E_Mixer_Cb)();
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extern Eina_Bool _mixer_using_default;
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extern E_Mixer_Volume_Get_Cb e_mod_mixer_volume_get;
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extern E_Mixer_Volume_Set_Cb e_mod_mixer_volume_set;
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extern E_Mixer_Mute_Get_Cb e_mod_mixer_mute_get;
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extern E_Mixer_Mute_Set_Cb e_mod_mixer_mute_set;
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extern E_Mixer_State_Get_Cb e_mod_mixer_state_get;
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extern E_Mixer_Cb e_mod_mixer_new;
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extern E_Mixer_Cb e_mod_mixer_del;
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extern E_Mixer_Cb e_mod_mixer_channel_default_name_get;
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extern E_Mixer_Cb e_mod_mixer_channel_info_get_by_name;
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extern E_Mixer_Cb e_mod_mixer_channel_names_get;
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extern E_Mixer_Cb e_mod_mixer_card_name_get;
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extern E_Mixer_Cb e_mod_mixer_card_names_get;
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extern E_Mixer_Cb e_mod_mixer_card_default_get;
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void e_mod_mixer_channel_info_free(E_Mixer_Channel_Info*);
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Eina_List *e_mod_mixer_channel_infos_get(const E_Mixer_System *sys);
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void e_mod_mixer_channel_infos_free(Eina_List*);
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void e_mod_mixer_channel_names_free(Eina_List*);
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void e_mod_mixer_card_names_free(Eina_List*);
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void e_mixer_default_setup(void);
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void e_mixer_pulse_setup();
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/* ALSA | DUMMY */
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int e_mixer_system_callback_set(const E_Mixer_System *self, int (*func)(void *data, E_Mixer_System *self), void *data);
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E_Mixer_System *e_mixer_system_new(const char *card);
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void e_mixer_system_del(E_Mixer_System *self);
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Eina_List *e_mixer_system_get_cards(void);
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const char *e_mixer_system_get_default_card(void);
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const char *e_mixer_system_get_card_name(const char *card);
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Eina_List *e_mixer_system_get_channels(const E_Mixer_System *self);
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Eina_List *e_mixer_system_get_channel_names(const E_Mixer_System *self);
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const char *e_mixer_system_get_default_channel_name(const E_Mixer_System *self);
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E_Mixer_Channel_Info *e_mixer_system_get_channel_by_name(const E_Mixer_System *self, const char *name);
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int e_mixer_system_get_volume(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, int *left, int *right);
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int e_mixer_system_set_volume(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, int left, int right);
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int e_mixer_system_get_mute(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, int *mute);
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int e_mixer_system_set_mute(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, int mute);
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int e_mixer_system_get_state(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, E_Mixer_Channel_State *state);
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/* PULSE */
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int pulse_init(void);
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Eina_Bool e_mixer_pulse_ready(void);
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Eina_Bool e_mixer_pulse_init(void);
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void e_mixer_pulse_shutdown(void);
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E_Mixer_System *e_mixer_pulse_new(const char *name);
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void e_mixer_pulse_del(E_Mixer_System *self);
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Eina_List *e_mixer_pulse_get_cards(void);
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const char *e_mixer_pulse_get_default_card(void);
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const char *e_mixer_pulse_get_card_name(const char *card);
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Eina_List *e_mixer_pulse_get_channels(const E_Mixer_System *self);
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Eina_List *e_mixer_pulse_get_channel_names(const E_Mixer_System *self);
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const char *e_mixer_pulse_get_default_channel_name(const E_Mixer_System *self);
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E_Mixer_Channel_Info *e_mixer_pulse_get_channel_by_name(const E_Mixer_System *self, const char *name);
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int e_mixer_pulse_get_volume(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, int *left, int *right);
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int e_mixer_pulse_set_volume(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, int left, int right);
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int e_mixer_pulse_get_mute(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, int *mute);
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int e_mixer_pulse_set_mute(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, int mute);
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int e_mixer_pulse_get_state(const E_Mixer_System *self, const E_Mixer_Channel_Info *channel, E_Mixer_Channel_State *state);
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/**
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* @addtogroup Optional_Devices
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* @{
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*
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* @defgroup Module_Mixer Audio Mixer (Volume Control)
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*
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* Controls the audio volume and mute status for both playback
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* (output) and record (input) devices.
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*
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* Can work with ALSA (http://www.alsa-project.org/) or PulseAudio
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* (http://www.pulseaudio.org/).
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*
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* @}
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*/
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#endif /* E_MOD_SYSTEM_H */
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