better cbor handling

1 files changed, 26 insertions, 0 deletions

diff --git a/src/audio/stream_message.cpp b/src/audio/stream_message.cpp
new file mode 100644
index 00000000..58868ce8
--- /dev/null
+++ b/src/audio/stream_message.cpp
@@ -0,0 +1,26 @@
+#include "stream_message.hpp"
+
+#include <cstdint>
+
+#include "cbor.h"
+
+namespace audio {
+
+const int kEncoderFlags = 0;
+const int kDecoderFlags = 0;
+
+auto ReadMessageType(uint8_t* buffer, size_t length) -> MessageType {
+  CborParser parser;
+  CborValue root;
+  CborValue container;
+
+  cbor_parser_init(buffer, length, kDecoderFlags, &parser, &root);
+  cbor_value_enter_container(&root, &container);
+
+  uint64_t header = 0;
+  cbor_value_get_uint64(&container, &header);
+
+  return static_cast<MessageType>(header);
+}
+
+}  // namespace audio