fix: 对接GPS数据

include/gps_buffer.h

@@ -0,0 +1,11 @@
+#ifndef GPS_BUFFER_H
+#define GPS_BUFFER_H
+
+#include <stdint.h>
+
+uint64_t get_latest_gps_for_video(void);
+
+
+int gps_buffer_init(const char* host);
+void gps_buffer_cleanup(void);
+#endif

include/video_pipeline.h

@@ -5,12 +5,18 @@
 #include <signal.h>
 #include <stdint.h>
 
+#include "gps_buffer.h"
 #include "peer_kcp_client.h"
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+typedef struct video_pipeline_packet_metadata {
+    uint64_t timestamp_ms;
+    uint64_t gps_data;
+} video_pipeline_packet_metadata_t;
+
 typedef struct video_pipeline_config {
     const char *camera_device;
     const char *server_addr;