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[core] Support block-compressed NSZ and XCZ

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PavelBARABANOV 2026-10-18 13:14:14 +03:00 • committed by crueter
parent 989768aa46
commit 6f5a89e9b5
14 changed files with 415 additions and 10 deletions
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14
src/common/zstd_compression.h
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@ -1,3 +1,6 @@
// SPDX-FileCopyrightText: Copyright 2026 Eden Emulator Project
// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: Copyright 2019 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
@ -42,4 +45,15 @@ namespace Common::Compression {
*/
[[nodiscard]] std::vector<u8> DecompressDataZSTD(std::span<const u8> compressed);
/**
* Decompresses a single Zstandard frame into a caller-provided buffer of known size.
*
* @param compressed the compressed source memory region.
* @param output the destination buffer. Its size is the maximum number of bytes to write.
*
* @return the number of bytes written, or 0 if the frame is invalid or doesn't fit. An empty
* frame also returns 0.
*/
[[nodiscard]] std::size_t DecompressDataZSTD(std::span<const u8> compressed, std::span<u8> output);
} // namespace Common::Compression