164 lines
6.8 KiB
C
164 lines
6.8 KiB
C
#ifndef GSR_PIPEWIRE_AUDIO_H
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#define GSR_PIPEWIRE_AUDIO_H
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#include <pipewire/thread-loop.h>
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#include <pipewire/context.h>
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#include <pipewire/core.h>
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#include <spa/utils/hook.h>
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#include <stdbool.h>
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typedef enum {
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GSR_PIPEWIRE_AUDIO_NODE_TYPE_STREAM_OUTPUT, /* Application audio */
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GSR_PIPEWIRE_AUDIO_NODE_TYPE_STREAM_INPUT, /* Audio recording input */
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GSR_PIPEWIRE_AUDIO_NODE_TYPE_SINK_OR_SOURCE /* Audio output or input device or combined (virtual) sink */
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} gsr_pipewire_audio_node_type;
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typedef struct {
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uint32_t id;
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char *name;
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gsr_pipewire_audio_node_type type;
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} gsr_pipewire_audio_node;
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typedef enum {
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GSR_PIPEWIRE_AUDIO_PORT_DIRECTION_INPUT,
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GSR_PIPEWIRE_AUDIO_PORT_DIRECTION_OUTPUT
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} gsr_pipewire_audio_port_direction;
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typedef struct {
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uint32_t id;
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uint32_t node_id;
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gsr_pipewire_audio_port_direction direction;
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char *name;
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} gsr_pipewire_audio_port;
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typedef struct {
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uint32_t id;
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uint32_t output_node_id;
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uint32_t input_node_id;
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} gsr_pipewire_audio_link;
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typedef enum {
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GSR_PIPEWIRE_AUDIO_LINK_INPUT_TYPE_STREAM, /* Application */
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GSR_PIPEWIRE_AUDIO_LINK_INPUT_TYPE_SINK /* Combined (virtual) sink */
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} gsr_pipewire_audio_link_input_type;
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typedef enum {
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GSR_PIPEWIRE_AUDIO_REQUESTED_TYPE_STANDARD,
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GSR_PIPEWIRE_AUDIO_REQUESTED_TYPE_DEFAULT_OUTPUT,
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GSR_PIPEWIRE_AUDIO_REQUESTED_TYPE_DEFAULT_INPUT
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} gsr_pipewire_audio_requested_type;
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typedef struct {
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char *name;
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gsr_pipewire_audio_requested_type type;
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} gsr_pipewire_audio_requested_output;
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typedef struct {
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gsr_pipewire_audio_requested_output *outputs;
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int num_outputs;
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char *input_name;
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bool inverted;
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gsr_pipewire_audio_node_type output_type;
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gsr_pipewire_audio_link_input_type input_type;
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} gsr_pipewire_audio_requested_link;
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typedef struct {
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struct pw_thread_loop *thread_loop;
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struct pw_context *context;
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struct pw_core *core;
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struct spa_hook core_listener;
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struct pw_registry *registry;
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struct spa_hook registry_listener;
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int server_version_sync;
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struct pw_proxy *metadata_proxy;
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struct spa_hook metadata_listener;
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struct spa_hook metadata_proxy_listener;
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char default_output_device_name[128];
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char default_input_device_name[128];
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gsr_pipewire_audio_node *stream_nodes;
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size_t num_stream_nodes;
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size_t stream_nodes_capacity_items;
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gsr_pipewire_audio_port *ports;
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size_t num_ports;
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size_t ports_capacity_items;
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gsr_pipewire_audio_link *links;
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size_t num_links;
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size_t links_capacity_items;
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gsr_pipewire_audio_requested_link *requested_links;
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size_t num_requested_links;
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size_t requested_links_capacity_items;
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bool running;
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} gsr_pipewire_audio;
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bool gsr_pipewire_audio_init(gsr_pipewire_audio *self);
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void gsr_pipewire_audio_deinit(gsr_pipewire_audio *self);
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/*
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This function links audio source outputs from applications that match the name |app_names| to the input
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that matches the name |stream_name_input|.
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If an application or a new application starts outputting audio after this function is called and the app name matches
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then it will automatically link the audio sources.
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|app_names| and |stream_name_input| are case-insensitive matches.
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*/
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bool gsr_pipewire_audio_add_link_from_apps_to_stream(gsr_pipewire_audio *self, const char **app_names, int num_app_names, const char *stream_name_input);
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/*
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This function links audio source outputs from all applications except the ones that match the name |app_names| to the input
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that matches the name |stream_name_input|.
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If an application or a new application starts outputting audio after this function is called and the app name doesn't match
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then it will automatically link the audio sources.
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|app_names| and |stream_name_input| are case-insensitive matches.
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*/
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bool gsr_pipewire_audio_add_link_from_apps_to_stream_inverted(gsr_pipewire_audio *self, const char **app_names, int num_app_names, const char *stream_name_input);
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/*
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This function links audio source outputs from applications that match the name |app_names| to the input
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that matches the name |sink_name_input|.
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If an application or a new application starts outputting audio after this function is called and the app name matches
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then it will automatically link the audio sources.
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|app_names| and |sink_name_input| are case-insensitive matches.
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*/
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bool gsr_pipewire_audio_add_link_from_apps_to_sink(gsr_pipewire_audio *self, const char **app_names, int num_app_names, const char *sink_name_input);
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/*
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This function links audio source outputs from all applications except the ones that match the name |app_names| to the input
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that matches the name |sink_name_input|.
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If an application or a new application starts outputting audio after this function is called and the app name doesn't match
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then it will automatically link the audio sources.
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|app_names| and |sink_name_input| are case-insensitive matches.
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*/
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bool gsr_pipewire_audio_add_link_from_apps_to_sink_inverted(gsr_pipewire_audio *self, const char **app_names, int num_app_names, const char *sink_name_input);
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/*
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This function links audio source outputs from devices that match the name |source_names| to the input
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that matches the name |stream_name_input|.
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If a device or a new device starts outputting audio after this function is called and the device name matches
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then it will automatically link the audio sources.
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|source_names| and |stream_name_input| are case-insensitive matches.
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|source_names| can include "default_output" or "default_input" to use the default output/input
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and it will automatically switch when the default output/input is changed in system audio settings.
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*/
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bool gsr_pipewire_audio_add_link_from_sources_to_stream(gsr_pipewire_audio *self, const char **source_names, int num_source_names, const char *stream_name_input);
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/*
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This function links audio source outputs from devices that match the name |source_names| to the input
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that matches the name |sink_name_input|.
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If a device or a new device starts outputting audio after this function is called and the device name matches
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then it will automatically link the audio sources.
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|source_names| and |sink_name_input| are case-insensitive matches.
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|source_names| can include "default_output" or "default_input" to use the default output/input
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and it will automatically switch when the default output/input is changed in system audio settings.
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*/
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bool gsr_pipewire_audio_add_link_from_sources_to_sink(gsr_pipewire_audio *self, const char **source_names, int num_source_names, const char *sink_name_input);
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/* Return true to continue */
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typedef bool (*gsr_pipewire_audio_app_query_callback)(const char *app_name, void *userdata);
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void gsr_pipewire_audio_for_each_app(gsr_pipewire_audio *self, gsr_pipewire_audio_app_query_callback callback, void *userdata);
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#endif /* GSR_PIPEWIRE_AUDIO_H */
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