Add -replay-storage option to specify if temporary replay data should be stored in ram or disk

src/replay_buffer/replay_buffer.c

@@ -0,0 +1,91 @@
+#include "../../include/replay_buffer/replay_buffer.h"
+#include "../../include/replay_buffer/replay_buffer_ram.h"
+#include "../../include/replay_buffer/replay_buffer_disk.h"
+
+#include <stdlib.h>
+#include <string.h>
+#include <assert.h>
+
+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) {
+    gsr_replay_buffer *replay_buffer = NULL;
+    switch(replay_storage) {
+        case GSR_REPLAY_STORAGE_RAM:
+            replay_buffer = gsr_replay_buffer_ram_create(replay_buffer_num_packets);
+            break;
+        case GSR_REPLAY_STORAGE_DISK:
+            replay_buffer = gsr_replay_buffer_disk_create(replay_directory, replay_buffer_time);
+            break;
+    }
+
+    replay_buffer->mutex_initialized = false;
+    replay_buffer->original_replay_buffer = NULL;
+    if(pthread_mutex_init(&replay_buffer->mutex, NULL) != 0) {
+        gsr_replay_buffer_destroy(replay_buffer);
+        return NULL;
+    }
+
+    replay_buffer->mutex_initialized = true;
+    return replay_buffer;
+}
+
+void gsr_replay_buffer_destroy(gsr_replay_buffer *self) {
+    self->destroy(self);
+    if(self->mutex_initialized && !self->original_replay_buffer) {
+        pthread_mutex_destroy(&self->mutex);
+        self->mutex_initialized = false;
+    }
+    self->original_replay_buffer = NULL;
+    free(self);
+}
+
+void gsr_replay_buffer_lock(gsr_replay_buffer *self) {
+    if(self->original_replay_buffer) {
+        gsr_replay_buffer_lock(self->original_replay_buffer);
+        return;
+    }
+
+    if(self->mutex_initialized)
+        pthread_mutex_lock(&self->mutex);
+}
+
+void gsr_replay_buffer_unlock(gsr_replay_buffer *self) {
+    if(self->original_replay_buffer) {
+        gsr_replay_buffer_unlock(self->original_replay_buffer);
+        return;
+    }
+
+    if(self->mutex_initialized)
+        pthread_mutex_unlock(&self->mutex);
+}
+
+bool gsr_replay_buffer_append(gsr_replay_buffer *self, const AVPacket *av_packet, double timestamp) {
+    return self->append(self, av_packet, timestamp);
+}
+
+void gsr_replay_buffer_clear(gsr_replay_buffer *self) {
+    self->clear(self);
+}
+
+AVPacket* gsr_replay_buffer_iterator_get_packet(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator) {
+    return self->iterator_get_packet(self, iterator);
+}
+
+uint8_t* gsr_replay_buffer_iterator_get_packet_data(gsr_replay_buffer *self, gsr_replay_buffer_iterator iterator) {
+    return self->iterator_get_packet_data(self, iterator);
+}
+
+gsr_replay_buffer* gsr_replay_buffer_clone(gsr_replay_buffer *self) {
+    return self->clone(self);
+}
+
+gsr_replay_buffer_iterator gsr_replay_buffer_find_packet_index_by_time_passed(gsr_replay_buffer *self, int seconds) {
+    return self->find_packet_index_by_time_passed(self, seconds);
+}
+
+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) {
+    return self->find_keyframe(self, start_iterator, stream_index, invert_stream_index);
+}
+
+bool gsr_replay_buffer_iterator_next(gsr_replay_buffer *self, gsr_replay_buffer_iterator *iterator) {
+    return self->iterator_next(self, iterator);
+}