Split Input into its own file.

[cubemap] / input.h

diff --git a/input.h b/input.h
new file mode 100644 (file)
index 0000000..c293071
--- /dev/null
+++ b/input.h
@@ -0,0 +1,38 @@
+#ifndef _INPUT_H
+#define _INPUT_H 1
+
+#include <vector>
+#include <string>
+
+class Input {
+public:
+       Input(const std::string &stream_id);
+
+       // Connect to the given URL and start streaming.
+       // WARNING: Currently this blocks; it does not run in a separate thread!
+       void run(const std::string &url);
+
+private:
+       // Recovers the this pointer and calls curl_callback().
+       static size_t curl_callback_thunk(char *ptr, size_t size, size_t nmemb, void *userdata);
+
+       // Stores the given data, looks for Metacube blocks (skipping data if needed),
+       // and calls process_block() for each one.
+       void curl_callback(char *ptr, size_t bytes);
+       void process_block(const char *data, uint32_t size, uint32_t flags);
+
+       // Drops <num_bytes> bytes from the head of <pending_data>,
+       // and outputs a warning.
+       void drop_pending_data(size_t num_bytes);
+
+       std::string stream_id;
+
+       // Data we have received but not fully processed yet.
+       std::vector<char> pending_data;
+
+       // If <pending_data> starts with a Metacube header,
+       // this is true.
+       bool has_metacube_header;
+};
+
+#endif  // !defined(_INPUT_H)