stream decompress (#293)

* clean up latency parameters and slow down rate updates
* add DecompressToStream

1 files changed, 10 insertions, 0 deletions

diff --git a/src/zencore/include/zencore/compress.h b/src/zencore/include/zencore/compress.h
index 5e761ceef..c056d7561 100644
--- a/src/zencore/include/zencore/compress.h
+++ b/src/zencore/include/zencore/compress.h
@@ -196,6 +196,16 @@ public:
 	 */
 	[[nodiscard]] ZENCORE_API CompositeBuffer DecompressToComposite() const;
 
+	/**
+	 * Decompress into and call callback for ranges of decompressed data.
+	 * The buffer in the callback will be overwritten when the callback returns.
+	 *
+	 * @return True if the buffer is valid and can be decompressed.
+	 */
+	[[nodiscard]] ZENCORE_API bool DecompressToStream(uint64_t															   RawOffset,
+													  uint64_t															   RawSize,
+													  std::function<void(uint64_t Offset, const CompositeBuffer& Range)>&& Callback) const;
+
 	/** A null compressed buffer. */
 	static const CompressedBuffer Null;