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authorbunnei <bunneidev@gmail.com>2019-04-07 23:48:33 +0200
committerGitHub <noreply@github.com>2019-04-07 23:48:33 +0200
commit21a4e7deea9638e4841e57d815cf1ecb7543fb34 (patch)
tree97dd726abe476c0a4c03c5da1c39239e93c6ed2a /src/common/zstd_compression.h
parentMerge pull request #2356 from lioncash/pair (diff)
parentgitmodules: Replace taps with spaces (diff)
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diff --git a/src/common/zstd_compression.h b/src/common/zstd_compression.h
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+// 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.
+ *
+ * @return the decompressed data.
+ */
+std::vector<u8> DecompressDataZSTD(const std::vector<u8>& compressed);
+
+} // namespace Common::Compression \ No newline at end of file