Move dbus code to a separate process to allow gpu-screen-recorder to use cap_sys_nice for better recording performance on amd

dbus/protocol.h

@@ -0,0 +1,86 @@
+#ifndef GSR_DBUS_PROTOCOL_H
+#define GSR_DBUS_PROTOCOL_H
+
+#include <stdint.h>
+
+#define GSR_DBUS_PROTOCOL_VERSION 1
+
+typedef enum {
+    GSR_DBUS_MESSAGE_REQ_CREATE_SESSION,
+    GSR_DBUS_MESSAGE_REQ_SELECT_SOURCES,
+    GSR_DBUS_MESSAGE_REQ_START,
+    GSR_DBUS_MESSAGE_REQ_OPEN_PIPEWIRE_REMOTE
+} gsr_dbus_message_req_type;
+
+typedef struct {
+
+} gsr_dbus_message_req_create_session;
+
+typedef struct {
+    char session_handle[128];
+    uint32_t capture_type;
+    uint32_t cursor_mode;
+} gsr_dbus_message_req_select_sources;
+
+typedef struct {
+    char session_handle[128];
+} gsr_dbus_message_req_start;
+
+typedef struct {
+    char session_handle[128];
+} gsr_dbus_message_req_open_pipewire_remote;
+
+typedef struct {
+    uint8_t protocol_version;
+    gsr_dbus_message_req_type type;
+    union {
+        gsr_dbus_message_req_create_session create_session;
+        gsr_dbus_message_req_select_sources select_sources;
+        gsr_dbus_message_req_start start;
+        gsr_dbus_message_req_open_pipewire_remote open_pipewire_remote;
+    };
+} gsr_dbus_request_message;
+
+typedef enum {
+    GSR_DBUS_MESSAGE_RESP_ERROR,
+    GSR_DBUS_MESSAGE_RESP_CREATE_SESSION,
+    GSR_DBUS_MESSAGE_RESP_SELECT_SOURCES,
+    GSR_DBUS_MESSAGE_RESP_START,
+    GSR_DBUS_MESSAGE_RESP_OPEN_PIPEWIRE_REMOTE
+} gsr_dbus_message_resp_type;
+
+typedef struct {
+    uint32_t error_code;
+    char message[128];
+} gsr_dbus_message_resp_error;
+
+typedef struct {
+    char session_handle[128];
+} gsr_dbus_message_resp_create_session;
+
+typedef struct {
+    
+} gsr_dbus_message_resp_select_sources;
+
+typedef struct {
+    char restore_token[128];
+    uint32_t pipewire_node;
+} gsr_dbus_message_resp_start;
+
+typedef struct {
+    
+} gsr_dbus_message_resp_open_pipewire_remote;
+
+typedef struct {
+    uint8_t protocol_version;
+    gsr_dbus_message_resp_type type;
+    union {
+        gsr_dbus_message_resp_error error;
+        gsr_dbus_message_resp_create_session create_session;
+        gsr_dbus_message_resp_select_sources select_sources;
+        gsr_dbus_message_resp_start start;
+        gsr_dbus_message_resp_open_pipewire_remote open_pipewire_remote;
+    };
+} gsr_dbus_response_message;
+
+#endif /* GSR_DBUS_PROTOCOL_H */