1 files changed, 54 insertions, 0 deletions
diff --git a/include/replay_buffer/replay_buffer.h b/include/replay_buffer/replay_buffer.h
new file mode 100644
index 0000000..a04a3be
--- /dev/null
+++ b/include/replay_buffer/replay_buffer.h
@@ -0,0 +1,54 @@
+#ifndef GSR_REPLAY_BUFFER_H
+#define GSR_REPLAY_BUFFER_H
+
+#include "../defs.h"
+#include <pthread.h>
+#include <stdbool.h>
+#include <libavcodec/packet.h>
+
+typedef struct gsr_replay_buffer gsr_replay_buffer;
+
+typedef struct {
+    size_t packet_index;
+    size_t file_index;
+} gsr_replay_buffer_iterator;
+
+struct gsr_replay_buffer {
+    void (*destroy)(gsr_replay_buffer *self);
+    bool (*append)(gsr_replay_buffer *self, const AVPacket *av_packet, double timestamp);
+    void (*clear)(gsr_replay_buffer *self);
+    AVPacket* (*iterator_get_packet)(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator);
+    /* The returned data should be free'd with free */
+    uint8_t* (*iterator_get_packet_data)(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator);
+    /* The clone has to be destroyed before the replay buffer it clones is destroyed */
+    gsr_replay_buffer* (*clone)(gsr_replay_buffer *self);
+    /* Returns {0, 0} if replay buffer is empty */
+    gsr_replay_buffer_iterator (*find_packet_index_by_time_passed)(gsr_replay_buffer *self, int seconds);
+    /* Returns {-1, 0} if not found */
+    gsr_replay_buffer_iterator (*find_keyframe)(gsr_replay_buffer *self, gsr_replay_buffer_iterator start_iterator, int stream_index, bool invert_stream_index);
+    bool (*iterator_next)(gsr_replay_buffer *self, gsr_replay_buffer_iterator *iterator);
+
+    pthread_mutex_t mutex;
+    bool mutex_initialized;
+    gsr_replay_buffer *original_replay_buffer;
+};
+
+gsr_replay_buffer* gsr_replay_buffer_create(gsr_replay_storage replay_storage, const char *replay_directory, double replay_buffer_time, size_t replay_buffer_num_packets);
+void gsr_replay_buffer_destroy(gsr_replay_buffer *self);
+
+void gsr_replay_buffer_lock(gsr_replay_buffer *self);
+void gsr_replay_buffer_unlock(gsr_replay_buffer *self);
+bool gsr_replay_buffer_append(gsr_replay_buffer *self, const AVPacket *av_packet, double timestamp);
+void gsr_replay_buffer_clear(gsr_replay_buffer *self);
+AVPacket* gsr_replay_buffer_iterator_get_packet(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator);
+/* The returned data should be free'd with free */
+uint8_t* gsr_replay_buffer_iterator_get_packet_data(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator);
+/* The clone has to be destroyed before the replay buffer it clones is destroyed */
+gsr_replay_buffer* gsr_replay_buffer_clone(gsr_replay_buffer *self);
+/* Returns {0, 0} if replay buffer is empty */
+gsr_replay_buffer_iterator gsr_replay_buffer_find_packet_index_by_time_passed(gsr_replay_buffer *self, int seconds);
+/* Returns {-1, 0} if not found */
+gsr_replay_buffer_iterator gsr_replay_buffer_find_keyframe(gsr_replay_buffer *self, gsr_replay_buffer_iterator start_iterator, int stream_index, bool invert_stream_index);
+bool gsr_replay_buffer_iterator_next(gsr_replay_buffer *self, gsr_replay_buffer_iterator *iterator);
+
+#endif /* GSR_REPLAY_BUFFER_H */
+\ No newline at end of file