From 72477731ed20c56a4d6f18a22f43224fab667cef Mon Sep 17 00:00:00 2001
From: unknown <FreddyFunk@users.noreply.github.com>
Date: Fri, 8 Feb 2019 23:11:00 +0100
Subject: common/zstd_compression: Add Zstandard wrapper

---
 src/common/zstd_compression.h | 44 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/common/zstd_compression.h

(limited to 'src/common/zstd_compression.h')

diff --git a/src/common/zstd_compression.h b/src/common/zstd_compression.h
new file mode 100644
index 000000000..c011ac34b
--- /dev/null
+++ b/src/common/zstd_compression.h
@@ -0,0 +1,44 @@
+// Copyright 2019 yuzu Emulator Project
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <vector>
+
+#include "common/common_types.h"
+
+namespace Common::Compression {
+
+/**
+ * Compresses a source memory region with Zstandard and returns the compressed data in a vector.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ * @param compression_level the used compression level. Should be between 1 and 22.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataZSTD(const u8* source, std::size_t source_size, s32 compression_level);
+
+/**
+ * Compresses a source memory region with Zstandard with the default compression level and returns
+ * the compressed data in a vector.
+ *
+ * @param source the uncompressed source memory region.
+ * @param source_size the size in bytes of the uncompressed source memory region.
+ *
+ * @return the compressed data.
+ */
+std::vector<u8> CompressDataZSTDDefault(const u8* source, std::size_t source_size);
+
+/**
+ * Decompresses a source memory region with Zstandard and returns the uncompressed data in a vector.
+ *
+ * @param compressed the compressed source memory region.
+ * @param uncompressed_size the size in bytes of the uncompressed data.
+ *
+ * @return the decompressed data.
+ */
+std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed,
+                                   std::size_t uncompressed_size);
+
+} // namespace Common::Compression
\ No newline at end of file
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