init

include/replay_buffer/replay_buffer_disk.h

@@ -0,0 +1,44 @@
+#ifndef GSR_REPLAY_BUFFER_DISK_H
+#define GSR_REPLAY_BUFFER_DISK_H
+
+#include "replay_buffer.h"
+#include <limits.h>
+
+#define GSR_REPLAY_BUFFER_CAPACITY_NUM_FILES 1024
+
+typedef struct {
+    AVPacket packet;
+    size_t data_index;
+    double timestamp;
+} gsr_av_packet_disk;
+
+typedef struct {
+    size_t id;
+    double start_timestamp;
+    double end_timestamp;
+    int ref_counter;
+    int fd;
+    
+    gsr_av_packet_disk *packets;
+    size_t capacity_num_packets;
+    size_t num_packets;
+} gsr_replay_buffer_file;
+
+typedef struct {
+    gsr_replay_buffer replay_buffer;
+    double replay_buffer_time;
+
+    size_t storage_counter;
+    size_t storage_num_bytes_written;
+    int storage_fd;
+    gsr_replay_buffer_file *files[GSR_REPLAY_BUFFER_CAPACITY_NUM_FILES]; // GSR_REPLAY_BUFFER_CAPACITY_NUM_FILES * REPLAY_BUFFER_FILE_SIZE_BYTES = 256gb, should be enough for everybody
+    size_t num_files;
+
+    char replay_directory[PATH_MAX];
+
+    bool owns_directory;
+} gsr_replay_buffer_disk;
+
+gsr_replay_buffer* gsr_replay_buffer_disk_create(const char *replay_directory, double replay_buffer_time);
+
+#endif /* GSR_REPLAY_BUFFER_DISK_H */