+ * @return A positive length on success, AVERROR otherwise.
+ */
+ int64_t ff_snappy_peek_uncompressed_length(GetByteContext *gb);
+
+/**
+ * Decompress an input buffer using Snappy algorithm.
+ *
+ * @param gb input GetByteContext.
+ * @param buf input buffer pointer.
+ * @param size input/output on input, the size of buffer, on output, the size
+ * of the uncompressed data.