move sunshine to src

- this will allow for common cpp workflow files within org

src/cbs.h

@@ -0,0 +1,34 @@
+#ifndef SUNSHINE_CBS_H
+#define SUNSHINE_CBS_H
+
+#include "utility.h"
+
+struct AVPacket;
+struct AVCodecContext;
+
+namespace cbs {
+
+struct nal_t {
+  util::buffer_t<std::uint8_t> _new;
+  util::buffer_t<std::uint8_t> old;
+};
+
+struct hevc_t {
+  nal_t vps;
+  nal_t sps;
+};
+
+struct h264_t {
+  nal_t sps;
+};
+
+hevc_t make_sps_hevc(const AVCodecContext *ctx, const AVPacket *packet);
+h264_t make_sps_h264(const AVCodecContext *ctx, const AVPacket *packet);
+
+/**
+ * Check if SPS->VUI is present
+ */
+bool validate_sps(const AVPacket *packet, int codec_id);
+} // namespace cbs
+
+#endif