1 files changed, 38 insertions, 3 deletions

diff --git a/include/pipewire_audio.h b/include/pipewire_audio.h
index 1d37eb8..10d8c9b 100644
--- a/include/pipewire_audio.h
+++ b/include/pipewire_audio.h
@@ -9,8 +9,10 @@
 #include <stdbool.h>
 
 #define GSR_PIPEWIRE_AUDIO_MAX_STREAM_NODES 128
-#define GSR_PIPEWIRE_AUDIO_MAX_PORTS 128
+#define GSR_PIPEWIRE_AUDIO_MAX_PORTS 256
+#define GSR_PIPEWIRE_AUDIO_MAX_LINKS 256
 #define GSR_PIPEWIRE_AUDIO_MAX_REQUESTED_LINKS 32
+#define GSR_PIPEWIRE_AUDIO_MAX_VIRTUAL_SINKS 32
 
 typedef enum {
     GSR_PIPEWIRE_AUDIO_NODE_TYPE_STREAM_OUTPUT, /* Application audio */
@@ -36,14 +38,31 @@ typedef struct {
     char *name;
 } gsr_pipewire_audio_port;
 
+typedef struct {
+    uint32_t id;
+    uint32_t output_node_id;
+    uint32_t input_node_id;
+} gsr_pipewire_audio_link;
+
 typedef enum {
     GSR_PIPEWIRE_AUDIO_LINK_INPUT_TYPE_STREAM, /* Application */
     GSR_PIPEWIRE_AUDIO_LINK_INPUT_TYPE_SINK    /* Combined (virtual) sink */
 } gsr_pipewire_audio_link_input_type;
 
+typedef enum {
+    GSR_PIPEWIRE_AUDIO_REQUESTED_TYPE_STANDARD,
+    GSR_PIPEWIRE_AUDIO_REQUESTED_TYPE_DEFAULT_OUTPUT,
+    GSR_PIPEWIRE_AUDIO_REQUESTED_TYPE_DEFAULT_INPUT
+} gsr_pipewire_audio_requested_type;
+
+typedef struct {
+    char *name;
+    gsr_pipewire_audio_requested_type type;
+} gsr_pipewire_audio_requested_output;
+
 typedef struct {
-    char **output_names;
-    int num_output_names;
+    gsr_pipewire_audio_requested_output *outputs;
+    int num_outputs;
     char *input_name;
     bool inverted;
     gsr_pipewire_audio_node_type output_type;
@@ -59,19 +78,33 @@ typedef struct {
     struct spa_hook registry_listener;
     int server_version_sync;
 
+    struct pw_proxy *metadata_proxy;
+    struct spa_hook metadata_listener;
+    struct spa_hook metadata_proxy_listener;
+    char default_output_device_name[128];
+    char default_input_device_name[128];
+
     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_link links[GSR_PIPEWIRE_AUDIO_MAX_LINKS];
+    int num_links;
+
     gsr_pipewire_audio_requested_link requested_links[GSR_PIPEWIRE_AUDIO_MAX_REQUESTED_LINKS];
     int num_requested_links;
+
+    struct pw_proxy *virtual_sink_proxies[GSR_PIPEWIRE_AUDIO_MAX_VIRTUAL_SINKS];
+    int num_virtual_sink_proxies;
 } gsr_pipewire_audio;
 
 bool gsr_pipewire_audio_init(gsr_pipewire_audio *self);
 void gsr_pipewire_audio_deinit(gsr_pipewire_audio *self);
 
+bool gsr_pipewire_audio_create_virtual_sink(gsr_pipewire_audio *self, const char *name);
+
 /*
     This function links audio source outputs from applications that match the name |app_names| to the input
     that matches the name |stream_name_input|.
@@ -112,6 +145,8 @@ bool gsr_pipewire_audio_add_link_from_apps_to_sink_inverted(gsr_pipewire_audio *
     If a device or a new device starts outputting audio after this function is called and the device name matches
     then it will automatically link the audio sources.
     |source_names| and |sink_name_input| are case-insensitive matches.
+    |source_names| can include "default_output" or "default_input" to use the default output/input
+    and it will automatically switch when the default output/input is changed in system audio settings.
 */
 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);