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Add -aa and -aai options to record audio only from selected applications

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Use the --list-application-audio option to list available applications
to record from.
This commit is contained in:
dec05eba
2024-11-10 23:54:36 +01:00
parent f1b4979365
commit 4240f0e334
12 changed files with 878 additions and 119 deletions
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108
include/pipewire_audio.h
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@@ -1,4 +1,112 @@
#ifndef GSR_PIPEWIRE_AUDIO_H
#define GSR_PIPEWIRE_AUDIO_H
#include <pipewire/thread-loop.h>
#include <pipewire/context.h>
#include <pipewire/core.h>
#include <spa/utils/hook.h>
#include <stdbool.h>
#define GSR_PIPEWIRE_AUDIO_MAX_STREAM_NODES 64
#define GSR_PIPEWIRE_AUDIO_MAX_PORTS 64
#define GSR_PIPEWIRE_AUDIO_MAX_REQUESTED_LINKS 32
typedef enum {
GSR_PIPEWIRE_AUDIO_NODE_TYPE_STREAM_OUTPUT, /* Application audio */
GSR_PIPEWIRE_AUDIO_NODE_TYPE_STREAM_INPUT, /* Audio recording input */
GSR_PIPEWIRE_AUDIO_NODE_TYPE_SINK
} gsr_pipewire_audio_node_type;
typedef struct {
uint32_t id;
char *name;
gsr_pipewire_audio_node_type type;
} gsr_pipewire_audio_node;
typedef enum {
GSR_PIPEWIRE_AUDIO_PORT_DIRECTION_INPUT,
GSR_PIPEWIRE_AUDIO_PORT_DIRECTION_OUTPUT
} gsr_pipewire_audio_port_direction;
typedef struct {
uint32_t id;
uint32_t node_id;
gsr_pipewire_audio_port_direction direction;
char *name;
} gsr_pipewire_audio_port;
typedef enum {
GSR_PIPEWIRE_AUDIO_LINK_OUTPUT_TYPE_STREAM,
GSR_PIPEWIRE_AUDIO_LINK_OUTPUT_TYPE_SINK
} gsr_pipewire_audio_link_output_type;
typedef struct {
char **app_names;
int num_app_names;
char *output_name;
bool inverted;
gsr_pipewire_audio_link_output_type output_type;
} gsr_pipewire_audio_requested_link;
typedef struct {
struct pw_thread_loop *thread_loop;
struct pw_context *context;
struct pw_core *core;
struct spa_hook core_listener;
struct pw_registry *registry;
struct spa_hook registry_listener;
int server_version_sync;
gsr_pipewire_audio_node stream_nodes[GSR_PIPEWIRE_AUDIO_MAX_STREAM_NODES];
int num_stream_nodes;
gsr_pipewire_audio_port ports[GSR_PIPEWIRE_AUDIO_MAX_PORTS];
int num_ports;
gsr_pipewire_audio_requested_link requested_links[GSR_PIPEWIRE_AUDIO_MAX_REQUESTED_LINKS];
int num_requested_links;
} gsr_pipewire_audio;
bool gsr_pipewire_audio_init(gsr_pipewire_audio *self);
void gsr_pipewire_audio_deinit(gsr_pipewire_audio *self);
/*
This function links audio source outputs from applications that match the name |app_names_output| to the input
that matches the name |stream_name_input|.
If an application or a new application starts outputting audio after this function is called and the app name matches
then it will automatically link the audio sources.
|app_names_output| and |stream_name_input| are case-insensitive matches.
*/
bool gsr_pipewire_audio_add_link_from_apps_to_stream(gsr_pipewire_audio *self, const char **app_names_output, int num_app_names_output, const char *stream_name_input);
/*
This function links audio source outputs from all applications except the ones that match the name |app_names_output| to the input
that matches the name |stream_name_input|.
If an application or a new application starts outputting audio after this function is called and the app name doesn't matche
then it will automatically link the audio sources.
|app_names_output| and |stream_name_input| are case-insensitive matches.
*/
bool gsr_pipewire_audio_add_link_from_apps_to_stream_inverted(gsr_pipewire_audio *self, const char **app_names_output, int num_app_names_output, const char *stream_name_input);
/*
This function links audio source outputs from applications that match the name |app_names_output| to the input
that matches the name |sink_name_input|.
If an application or a new application starts outputting audio after this function is called and the app name matches
then it will automatically link the audio sources.
|app_names_output| and |sink_name_input| are case-insensitive matches.
*/
bool gsr_pipewire_audio_add_link_from_apps_to_sink(gsr_pipewire_audio *self, const char **app_names_output, int num_app_names_output, const char *sink_name_input);
/*
This function links audio source outputs from all applications except the ones that match the name |app_names_output| to the input
that matches the name |sink_name_input|.
If an application or a new application starts outputting audio after this function is called and the app name doesn't matche
then it will automatically link the audio sources.
|app_names_output| and |sink_name_input| are case-insensitive matches.
*/
bool gsr_pipewire_audio_add_link_from_apps_to_sink_inverted(gsr_pipewire_audio *self, const char **app_names_output, int num_app_names_output, const char *sink_name_input);
/* Return true to continue */
typedef bool (*gsr_pipewire_audio_app_query_callback)(const char *app_name, void *userdata);
void gsr_pipewire_audio_for_each_app(gsr_pipewire_audio *self, gsr_pipewire_audio_app_query_callback callback, void *userdata);
#endif /* GSR_PIPEWIRE_AUDIO_H */